Vikiproje:Yaşam Ağacı/Hayvanlar 5

Vikipedi, özgür ansiklopedi
                                                                             Superfamily # Trigonopterygoidea -  
                                                                                   Family # Trigonopterygidae -  
                                                                                         Subfamily # Borneacridinae -  
                                                                                         Subfamily # Trigonopteryginae -  
                                                                                   Family # Xyronotidae -  
                                                                                         Subfamily # Xyronotinae -  
                                                                       Infraorder # Tridactylidea -  
                                                                             Superfamily # Tridactyloidea -  
                                                                                   Family # Cylindrachetidae -  
                                                                                   Family # Ripipterygidae -  
                                                                                         Subfamily # Ripipteryginae -  
                                                                                   Family # Tridactylidae -  
                                                                                         Subfamily # Dentridactylinae -  
                                                                                         Subfamily # Tridactylinae -  
                                                                                                           Genus # Ellipes - Scudder, 1902
                                                                                                           Genus # Neotridactylus - Günther, 1972
                                                                 Suborder # Ensifera -  
                                                                       Infraorder # Gryllidea -  
                                                                             Superfamily # Grylloidea -  
                                                                                   Family # Eneopteridae -  
                                                                                         Subfamily # Eneopterinae -  
                                                                                         Subfamily # Tafaliscinae -  
                                                                                                           Genus # Tafalisca - F. Walker, 1869
                                                                                   Family # Gryllidae -  
                                                                                         Subfamily # Brachytrupinae -  
                                                                                                           Genus # Anurogryllus - Saussure, 1877
                                                                                         Subfamily # Gryllinae -  
                                                                                                           Genus # Acheta - Linnaeus, 1758
                                                                                                           Genus # Gryllita - Hebard, 1935
                                                                                                           Genus # Gryllodes - Saussure, 1874
                                                                                                           Genus # Gryllus - Linnaeus, 1758
                                                                                                           Genus # Miogryllus - Saussure, 1877
                                                                                                           Genus # Teleogryllus - Chopard, 1961
                                                                                                           Genus # Velarifictorus - Randell, 1964
                                                                                         Subfamily # Gryllomiminae -  
                                                                                         Subfamily # Gryllomorphinae -  
                                                                                         Subfamily # Itarinae -  
                                                                                         Subfamily # Landrevinae -  
                                                                                         Subfamily # Sclerogryllinae -  
                                                                                   Family # Oecanthidae -  
                                                                                         Subfamily # Oecanthinae -  
                                                                                                           Genus # Neoxabea - Kirby, 1906
                                                                                                           Genus # Oecanthus - Serville, 1831
                                                                                   Family # Paragryllidae -  
                                                                                         Subfamily # Paragryllinae -  
                                                                                         Subfamily # Rumeinae -  
                                                                                   Family # Phalangopsidae -  
                                                                                         Subfamily # Homeogryllinae -  
                                                                                         Subfamily # Luzarinae -  
                                                                                         Subfamily # Phalangopsinae -  
                                                                                   Family # Podoscirtidae -  
                                                                                         Subfamily # Euscyrtinae -  
                                                                                         Subfamily # Hapithinae -  
                                                                                         Subfamily # Pentacentrinae -  
                                                                                                           Genus # Trigonidomimus - Caudell, 1912
                                                                                         Subfamily # Phaloriinae -  
                                                                                         Subfamily # Podoscirtinae -  
                                                                                                           Genus # Hapithus - Uhler, 1864
                                                                                                           Genus # Orocharis - Uhler, 1864
                                                                                   Family # Pteroplistidae -  
                                                                                         Subfamily # Pteroplistinae -  
                                                                                   Family # Trigonidiidae -  
                                                                                         Subfamily # Nemobiinae -  
                                                                                                           Genus # Allonemobius - Hebard, 1913
                                                                                                           Genus # Eunemobius - Hebard, 1913
                                                                                                           Genus # Hygronemobius - Hebard, 1915
                                                                                                           Genus # Nemobius - Serville, 1839
                                                                                                           Genus # Neonemobius - Hebard, 1913
                                                                                                           Genus # Pictonemobius - Vickery and Johnstone, 1970
                                                                                         Subfamily # Trigonidiinae -  
                                                                                                           Genus # Anaxipha - Saussure, 1874
                                                                                                           Genus # Cyrtoxipha - Saussure, 1874
                                                                                                           Genus # Falcicula - Rehn, 1903
                                                                                                           Genus # Phyllopalpus - Uhler, 1864
                                                                                                           Genus # Phylloscyrtus - Guérin-Méneville, 1844
                                                                             Superfamily # Gryllotalpoidea -  
                                                                                   Family # Gryllotalpidae - Saussure, 1870
                                                                                         Subfamily # Gryllotalpinae -  
                                                                                                           Genus # Gryllotalpa - Latreille, 1802
                                                                                                           Genus # Neocurtilla - Kirby, 1906
                                                                                                           Genus # Scapteriscus - Scudder, 1868
                                                                             Superfamily # Mogoplistoidea -  
                                                                                   Family # Malgasiidae -  
                                                                                         Subfamily # Malgasiinae -  
                                                                                   Family # Mogoplistidae -  
                                                                                         Subfamily # Mogoplistinae -  
                                                                                                           Genus # Cycloptiloides - Sjöstedt, 1909
                                                                                                           Genus # Cycloptilum - Scudder, 1869
                                                                                                           Genus # Ectatoderus - Guérin-Méneville, 1847
                                                                                                           Genus # Hoplosphyrum - Rehn and Hebard, 1912
                                                                                                           Genus # Oligacanthopus - Rehn and Hebard, 1912
                                                                                   Family # Myrmecophilidae -  
                                                                                         Subfamily # Myrmecophilinae -  
                                                                                                           Genus # Myrmecophilus - Berthold, 1827
                                                                       Infraorder # Tettigoniidea -  
                                                                             Superfamily # Hagloidea -  
                                                                                   Family # Haglidae -  
                                                                                   Family # Prophalangopsidae - Saussure, 1878
                                                                                         Subfamily # Cyphoderrinae -  
                                                                                                           Genus # Cyphoderris - Uhler, 1864
                                                                                         Subfamily # Prophalangopsinae -  
                                                                             Superfamily # Stenopelmatoidea -  
                                                                                   Family # Anostostomatidae -  
                                                                                         Subfamily # Anostostomatinae -  
                                                                                                           Genus # Cnemotettix - Caudell, 1916
                                                                                                           Genus # Glaphyrosoma - Brunner, 1888
                                                                                         Subfamily # Deinacridinae -  
                                                                                         Subfamily # Leiomelinae -  
                                                                                   Family # Cooloolidae -  
                                                                                         Subfamily # Cooloolinae -  
                                                                                   Family # Gryllacrididae - Blanchard, 1845
                                                                                         Subfamily # Gryllacridinae -  
                                                                                                           Genus # Brachybaenus - Karny, 1937
                                                                                                           Genus # Camptonotus - Uhler, 1864
                                                                                         Subfamily # Lezininae -  
                                                                                   Family # Rhaphidophoridae -  
                                                                                         Subfamily # Aemodogryllinae -  
                                                                                                           Genus # Tachycines - Adelung, 1902
                                                                                         Subfamily # Ceuthophilinae -  
                                                                                                           Genus # Ammobaenetes - Hubbell, 1936
                                                                                                           Genus # Ceuthophilus - Scudder, 1863
                                                                                                           Genus # Daihinia - Haldeman, 1850
                                                                                                           Genus # Daihinibaenetes - Tinkham, 1962
                                                                                                           Genus # Daihiniella - Hubbell, 1936
                                                                                                           Genus # Daihiniodes - Hebard, 1929
                                                                                                           Genus # Farallonophilus - Rentz, 1972
                                                                                                           Genus # Macrobaenetes - Tinkham, 1962
                                                                                                           Genus # Phrixocnemis - Scudder, 1894
                                                                                                           Genus # Pristoceuthophilus - Rehn, 1903
                                                                                                           Genus # Rhachocnemis - Caudell, 1916
                                                                                                           Genus # Salishella - Hebard, 1939
                                                                                                           Genus # Styracosceles - Hubbell, 1936
                                                                                                           Genus # Typhloceuthophilus - Hubbell, 1940
                                                                                                           Genus # Udeopsylla - Scudder, 1863
                                                                                                           Genus # Utabaenetes - Tinkham, 1970
                                                                                         Subfamily # Dolichopodainae -  
                                                                                         Subfamily # Hadenoecinae -  
                                                                                                           Genus # Euhadenoecus - Hubbell, 1978
                                                                                                           Genus # Hadenoecus - Scudder, 1863
                                                                                         Subfamily # Macropathinae -  
                                                                                         Subfamily # Rhaphidophorinae -  
                                                                                                           Genus # Gammarotettix - Brunner, 1888
                                                                                         Subfamily # Tropidischiinae -  
                                                                                                           Genus # Tropidischia - Scudder, 1869
                                                                                   Family # Schizodactylidae -  
                                                                                         Subfamily # Comicinae -  
                                                                                         Subfamily # Schizodactylinae -  
                                                                                   Family # Stenopelmatidae - Burmeister, 1838
                                                                                         Subfamily # Oryctopinae -  
                                                                                         Subfamily # Siinae -  
                                                                                         Subfamily # Stenopelmatinae -  
                                                                                                           Genus # Ammopelmatus - Rentz and Weissman, 1965
                                                                                                           Genus # Stenopelmatus - Burmeister, 1838
                                                                             Superfamily # Tettigonioidea -  
                                                                                   Family # Tettigoniidae - Krauss, 1902
                                                                                         Subfamily # Acridoxeninae -  
                                                                                         Subfamily # Austrosaginae -  
                                                                                         Subfamily # Bradyporinae -  
                                                                                         Subfamily # Conocephalinae -  
                                                                                                           Genus # Belocephalus - Scudder, 1875
                                                                                                           Genus # Bucrates - Burmeister, 1838
                                                                                                           Genus # Caulopsis - Redtenbacher, 1891
                                                                                                           Genus # Conocephalus - Thunberg, 1815
                                                                                                           Genus # Copiphora - Serville, 1831
                                                                                                           Genus # Euconocephalus - Karny, 1907
                                                                                                           Genus # Neoconocephalus - Karny, 1907
                                                                                                           Genus # Odontoxiphidium - Morse, 1891
                                                                                                           Genus # Orchelimum - Serville, 1839
                                                                                                           Genus # Pyrgocorypha - Stål, 1873
                                                                                         Subfamily # Hetrodinae -  
                                                                                         Subfamily # Lipotactinae -  
                                                                                         Subfamily # Listroscelidinae - Kirby, 1906
                                                                                         Subfamily # Meconematinae -  
                                                                                                           Genus # Meconema - Serville, 1831
                                                                                         Subfamily # Mecopodinae -  
                                                                                         Subfamily # Microtettigoniinae -  
                                                                                         Subfamily # Phaneropterinae -  
                                                                                                           Genus # Amblycorypha - Stål, 1873
                                                                                                           Genus # Arethaea - Stål, 1876
                                                                                                           Genus # Brachyinsara - Rehn and Hebard, 1914
                                                                                                           Genus # Dichopetala - Brunner, 1878
                                                                                                           Genus # Holochlora - Stål, 1873
                                                                                                           Genus # Insara - F. Walker, 1869
                                                                                                           Genus # Inscudderia - Caudell, 1921
                                                                                                           Genus # Microcentrum - Scudder, 1863
                                                                                                           Genus # Montezumina - Hebard, 1925
                                                                                                           Genus # Orophus - Saussure, 1859
                                                                                                           Genus # Phaneroptera - Serville, 1831
                                                                                                           Genus # Platylyra - Scudder, 1898
                                                                                                           Genus # Scudderia - Stål, 1873
                                                                                                           Genus # Turpilia - Stål, 1874
                                                                                         Subfamily # Phasmodinae -  
                                                                                         Subfamily # Phyllophorinae -  
                                                                                         Subfamily # Pseudophyllinae -  
                                                                                                           Genus # Lea - Caudell, 1906
                                                                                                           Genus # Paracyrtophyllus - Caudell, 1906
                                                                                                           Genus # Pterophylla - Kirby, 1825
                                                                                         Subfamily # Saginae -  
                                                                                                           Genus # Saga - Charpentier, 1825
                                                                                         Subfamily # Tettigoniinae -  
                                                                                                           Genus # Acrodectes - Rehn and Hebard, 1920
                                                                                                           Genus # Aglaothorax - Caudell, 1907
                                                                                                           Genus # Anabrus - Haldeman, 1852
                                                                                                           Genus # Apote - Scudder, 1897
                                                                                                           Genus # Ateloplus - Scudder, 1894
                                                                                                           Genus # Atlanticus - Scudder, 1894
                                                                                                           Genus # Capnobotes - Scudder, 1897
                                                                                                           Genus # Clinopleura - Scudder, 1894
                                                                                                           Genus # Cyrtophyllicus - Hebard, 1908
                                                                                                           Genus # Decticita - Hebard, 1939
                                                                                                           Genus # Eremopedes - Cockerell, 1898
                                                                                                           Genus # Hubbellia - Hebard, 1927
                                                                                                           Genus # Idionotus - Scudder, 1894
                                                                                                           Genus # Idiostatus - Pictet, 1888
                                                                                                           Genus # Inyodectes - Rentz and Birchim, 1968
                                                                                                           Genus # Metrioptera - Wesmael, 1838
                                                                                                           Genus # Neduba - F. Walker, 1869
                                                                                                           Genus # Neobarrettia - Rehn, 1901
                                                                                                           Genus # Pediodectes - Rehn and Hebard, 1916
                                                                                                           Genus # Peranabrus - Scudder, 1894
                                                                                                           Genus # Petropedes - Tinkham, 1972
                                                                                                           Genus # Plagiostira - Scudder, 1876
                                                                                                           Genus # Platycleis - Fieber, 1853
                                                                                                           Genus # Platyoplus - Tinkham, 1973
                                                                                                           Genus # Steiroxys - Herman, 1874
                                                                                                           Genus # Zacycloptera - Caudell, 1907
                                                                                         Subfamily # Tympanophorinae -  
                                                                                         Subfamily # Zaprochilinae -  
                                                           Order # Phasmida - Leach, 1815
                                                                                   Family # Diapheromeridae -  
                                                                                                           Genus # Diapheromera - Gray, 1835
                                                                                                           Genus # Manomera - Rehn and Hebard, 1907
                                                                                                           Genus # Megaphasma - Caudell, 1903
                                                                                                           Genus # Parabacillus - Caudell, 1903
                                                                                                           Genus # Pseudosermyle - Caudell, 1903
                                                                                                           Genus # Sermyle - Stål, 1875
                                                                                   Family # Phasmatidae -  
                                                                                                           Genus # Haplopus - Burmeister, 1838
                                                                                   Family # Pseudophasmatidae -  
                                                                                                           Genus # Anisomorpha - Gray, 1835
                                                                                   Family # Timematidae -  
                                                                                                           Genus # Timema - Scudder, 1895
                                                           Order # Plecoptera -  
                                                                 Suborder # Euholognatha -  
                                                                                   Family # Capniidae - Banks, 1900
                                                                                                           Genus # Allocapnia - Claassen, 1928
                                                                                                           Genus # Apteroperla - Matsumura, 1931
                                                                                                           Genus # Arsapnia - Banks, 1897
                                                                                                           Genus # Baikaloperla - Zapekina-Dulkeit and Zhiltzova, 1973
                                                                                                           Genus # Bolshecapnia - Ricker, 1965
                                                                                                           Genus # Capnia - Pictet, 1841
                                                                                                           Genus # Capniella - Klapálek, 1920
                                                                                                           Genus # Capnioneura - Ris, 1905
                                                                                                           Genus # Capnopsis - Morton, 1896
                                                                                                           Genus # Capnura - Banks, 1900
                                                                                                           Genus # Eocapnia - Kawai, 1955
                                                                                                           Genus # Eucapnopsis - Okamoto, 1922
                                                                                                           Genus # Eurekapnia - Stark and Broome in Broome, Stark and Baumann, 2019
                                                                                                           Genus # Isocapnia - Banks, 1938
                                                                                                           Genus # Mesocapnia - Rauser, 1968
                                                                                                           Genus # Nemocapnia - Banks, 1938
                                                                                                           Genus # Paracapnia - Hanson, 1946
                                                                                                           Genus # Sasquacapnia - Baumann and Broome in Broome, Stark and Baumann, 2019
                                                                                                           Genus # Sierracapnia - Bottorff and Baumann, 2015
                                                                                                           Genus # Sinocapnia - Murányi, Li and Yang, 2015
                                                                                                           Genus # Takagripopteryx - Okamoto, 1922
                                                                                                           Genus # Utacapnia - Gaufin, 1970
                                                                                                           Genus # Zwicknia - Murányi, 2014
                                                                                   Family # Leuctridae -  
                                                                                         Subfamily # Leuctrinae -  
                                                                                                           Genus # Calileuctra - Shepard and Baumann, 1995
                                                                                                           Genus # Despaxia - Ricker, 1943
                                                                                                           Genus # Leuctra - Stephens, 1835
                                                                                                           Genus # Moselia - Ricker, 1943
                                                                                                           Genus # Paraleuctra - Hanson, 1941
                                                                                                           Genus # Perlomyia - Banks, 1906
                                                                                                           Genus # Pomoleuctra - Stark and Kyzar, 2001
                                                                                                           Genus # Zealeuctra - Ricker, 1952
                                                                                         Subfamily # Megaleuctrinae -  
                                                                                                           Genus # Megaleuctra - Neave, 1934
                                                                                   Family # Nemouridae -  
                                                                                                           Genus # Brachyptera - Newport, 1851
                                                                                                           Genus # Protonemura - Kempny, 1898
                                                                                         Subfamily # Amphinemurinae -  
                                                                                                           Genus # Amphinemura - Ris, 1902
                                                                                                           Genus # Malenka - Ricker, 1952
                                                                                         Subfamily # Nemourinae -  
                                                                                                           Genus # Lednia - Ricker, 1952
                                                                                                           Genus # Nemoura - Latreille, 1796
                                                                                                           Genus # Ostrocerca - Ricker, 1952
                                                                                                           Genus # Paranemoura - Needham and Claassen, 1925
                                                                                                           Genus # Podmosta - Ricker, 1952
                                                                                                           Genus # Prostoia - Ricker, 1952
                                                                                                           Genus # Shipsa - Ricker, 1952
                                                                                                           Genus # Soyedina - Ricker, 1952
                                                                                                           Genus # Visoka - Ricker, 1952
                                                                                                           Genus # Zapada - Ricker, 1952
                                                                                   Family # Taeniopterygidae -  
                                                                                         Subfamily # Brachypteryinae -  
                                                                                                           Genus # Bolotoperla - Ricker and Ross, 1975
                                                                                                           Genus # Doddsia - Needham and Claassen, 1925
                                                                                                           Genus # Oemopteryx - Klapálek, 1902
                                                                                                           Genus # Strophopteryx - Frison, 1929
                                                                                                           Genus # Taenionema - Banks, 1905
                                                                                         Subfamily # Taeniopteryginae -  
                                                                                                           Genus # Taeniopteryx - Pictet, 1841
                                                                 Suborder # Systellognatha -  
                                                                                   Family # Chloroperlidae -  
                                                                                         Subfamily # Chloroperlinae -  
                                                                                                           Genus # Alaskaperla - Stewart and DeWalt, 1991
                                                                                                           Genus # Alloperla - Banks, 1906
                                                                                                           Genus # Bisancora - Surdick, 1981
                                                                                                           Genus # Haploperla - Navás, 1934
                                                                                                           Genus # Plumiperla - Surdick, 1985
                                                                                                           Genus # Rasvena - Ricker, 1952
                                                                                                           Genus # Suwallia - Ricker, 1943
                                                                                                           Genus # Sweltsa - Ricker, 1943
                                                                                                           Genus # Triznaka - Ricker, 1952
                                                                                         Subfamily # Paraperlinae -  
                                                                                                           Genus # Kathroperla - Banks, 1920
                                                                                                           Genus # Paraperla - Banks, 1906
                                                                                                           Genus # Utaperla - Ricker, 1952
                                                                                   Family # Peltoperlidae -  
                                                                                         Subfamily # Peltoperlinae -  
                                                                                                           Genus # Peltoperla - Needham, 1905
                                                                                                           Genus # Sierraperla - Jewett, 1954
                                                                                                           Genus # Soliperla - Ricker, 1952
                                                                                                           Genus # Tallaperla - Stark and Stewart, 1981
                                                                                                           Genus # Viehoperla - Ricker, 1952
                                                                                                           Genus # Yoraperla - Ricker, 1952
                                                                                   Family # Perlidae -  
                                                                                                           Genus # Chloroperla - Newman, 1836
                                                                                                           Genus # Dinocras - Klapálek, 1909
                                                                                                           Genus # Perla - Geoffroy, 1764
                                                                                                           Genus # Togoperla - Klapálek, 1907
                                                                                         Subfamily # Acroneuriinae -  
                                                                                               Tribe # Acroneuriini -  
                                                                                                           Genus # Acroneuria - Pictet, 1841
                                                                                                           Genus # Attaneuria - Ricker, 1954
                                                                                                           Genus # Beloneuria - Needham and Claassen, 1925
                                                                                                           Genus # Calineuria - Ricker, 1954
                                                                                                           Genus # Doroneuria - Needham and Claassen, 1925
                                                                                                           Genus # Eccoptura - Klapálek, 1921
                                                                                                           Genus # Hansonoperla - Nelson, 1979
                                                                                                           Genus # Hesperoperla - Banks, 1938
                                                                                                           Genus # Perlesta - Banks, 1906
                                                                                                           Genus # Perlinella - Banks, 1900
                                                                                               Tribe # Anacroneuriini -  
                                                                                                           Genus # Anacroneuria - Klapálek, 1909
                                                                                         Subfamily # Perlinae -  
                                                                                               Tribe # Neoperlini -  
                                                                                                           Genus # Neoperla - Needham, 1905
                                                                                               Tribe # Perlini -  
                                                                                                           Genus # Agnetina - Klapálek, 1907
                                                                                                           Genus # Claassenia - Wu, 1934
                                                                                                           Genus # Paragnetina - Klapálek, 1907
                                                                                   Family # Perlodidae -  
                                                                                                           Genus # Isogenus - Newman, 1833
                                                                                         Subfamily # Isoperlinae -  
                                                                                                           Genus # Calliperla - Banks, 1947
                                                                                                           Genus # Cascadoperla - Szczytko and Stewart, 1979
                                                                                                           Genus # Clioperla - Needham and Claassen, 1925
                                                                                                           Genus # Cosumnoperla - Szczytko and Bottorff, 1987
                                                                                                           Genus # Isoperla - Banks, 1906
                                                                                         Subfamily # Perlodinae -  
                                                                                               Tribe # Arcynopterygini -  
                                                                                                           Genus # Arcynopteryx - Klapálek, 1904
                                                                                                           Genus # Frisonia - Ricker, 1943
                                                                                                           Genus # Megarcys - Klapálek, 1912
                                                                                                           Genus # Oroperla - Needham, 1933
                                                                                                           Genus # Perlinodes - Needham and Claassen, 1925
                                                                                                           Genus # Salmoperla - Baumann and Lauck, 1987
                                                                                                           Genus # Setvena - Illies, 1966
                                                                                                           Genus # Skwala - Ricker, 1943
                                                                                               Tribe # Diploperlini -  
                                                                                                           Genus # Baumannella - Stark and Stewart, 1985
                                                                                                           Genus # Cultus - Ricker, 1952
                                                                                                           Genus # Diploperla - Needham and Claassen, 1925
                                                                                                           Genus # Kogotus - Ricker, 1952
                                                                                                           Genus # Osobenus - Ricker, 1952
                                                                                                           Genus # Pictetiella - Illies, 1966
                                                                                                           Genus # Remenus - Ricker, 1952
                                                                                                           Genus # Rickera - Jewett, 1954
                                                                                               Tribe # Perlodini -  
                                                                                                           Genus # Chernokrilus - Ricker, 1952
                                                                                                           Genus # Diura - Billberg, 1820
                                                                                                           Genus # Helopicus - Ricker, 1952
                                                                                                           Genus # Hydroperla - Frison, 1935
                                                                                                           Genus # Isogenoides - Klapálek, 1912
                                                                                                           Genus # Malirekus - Ricker, 1952
                                                                                                           Genus # Oconoperla - Stark and Stewart, 1982
                                                                                                           Genus # Susulus - Bottorff and Stewart, 1989
                                                                                                           Genus # Yugus - Ricker, 1952
                                                                                   Family # Pteronarcyidae -  
                                                                                         Subfamily # Pteronarcyinae -  
                                                                                               Tribe # Pteronarcellini -  
                                                                                                           Genus # Pteronarcella - Banks, 1900
                                                                                               Tribe # Pteronarcyini -  
                                                                                                           Genus # Pteronarcys - Newman, 1838
                                                           Order # Zoraptera - Silvestri, 1913
                                                                                   Family # Zorotypidae - Silvestri, 1913
                                                                                                           Genus # Xenozorotypus - Engel and Grimaldi, 2002
                                                                                                           Genus # Zorotypus - Silvestri, 1913
                                               Infraclass # Palaeoptera -  
                                                           Order # Ephemeroptera -  
                                                                 Suborder # Carapacea -  
                                                                                   Family # Baetiscidae -  
                                                                                                           Genus # Baetisca - Walsh, 1862
                                                                 Suborder # Furcatergalia -  
                                                                       Infraorder # Lanceolata -  
                                                                                   Family # Leptophlebiidae -  
                                                                                                           Genus # Atopophlebia - Flowers, 1980
                                                                                                           Genus # Choroterpes - Eaton, 1881
                                                                                                           Genus # Farrodes - Peters, 1971
                                                                                                           Genus # Habrophlebia - Eaton, 1881
                                                                                                           Genus # Habrophlebiodes - Ulmer, 1920
                                                                                                           Genus # Hagenulopsis - Ulmer, 1919
                                                                                                           Genus # Hermanella - Needham and Murphy, 1924
                                                                                                           Genus # Hermanellopsis - Demoulin, 1955
                                                                                                           Genus # Homothraulus - Demoulin, 1955
                                                                                                           Genus # Hydrosmilodon - Flowers and Domínguez, 1991
                                                                                                           Genus # Leptophlebia - Westwood, 1840
                                                                                                           Genus # Needhamella - Domínguez and Flowers, 1989
                                                                                                           Genus # Neochoroterpes - Allen, 1974
                                                                                                           Genus # Paraleptophlebia - Lestage, 1917
                                                                                                           Genus # Terpides - Demoulin, 1966
                                                                                                           Genus # Thraulodes - Ulmer, 1920
                                                                                                           Genus # Thraulus - Eaton, 1881
                                                                                                           Genus # Tikuna - Savage, Flowers and Porras, 2005
                                                                                                           Genus # Traverella - Edmunds, 1948
                                                                                                           Genus # Ulmeritis - Traver, 1956
                                                                                                           Genus # Ulmeritoides - Traver, 1959
                                                                       Infraorder # Palpotarsa -  
                                                                                   Family # Behningiidae -  
                                                                                                           Genus # Dolania - Edmunds and Traver, 1959
                                                                       Infraorder # Pannota -  
                                                                             Superfamily # Caenoidea -  
                                                                                   Family # Caenidae -  
                                                                                         Subfamily # Brachycercinae -  
                                                                                               Tribe # Brachycercini - Sun and McCafferty, 2008
                                                                                                           Genus # Brachycercus - Curtis, 1834
                                                                                               Tribe # Caenoculini - Sun and McCafferty, 2008
                                                                                                           Genus # Caenoculis - Soldán, 1986
                                                                                               Tribe # Cercobrachini - Sun and McCafferty, 2008
                                                                                                           Genus # Alloretochus - Sun and McCafferty, 2008
                                                                                                           Genus # Cercobrachys - Soldán, 1986
                                                                                                           Genus # Susperatus - Sun and McCafferty, 2008
                                                                                               Tribe # Insulibrachini - Sun and McCafferty, 2008
                                                                                                           Genus # Insulibrachys - Soldán, 1986
                                                                                               Tribe # Latineosini - Sun and McCafferty, 2008
                                                                                                           Genus # Latineosus - Sun and McCafferty, 2008
                                                                                                           Genus # Oriobrachys - Sun and McCafferty, 2008
                                                                                               Tribe # Sparbarini - Sun and McCafferty, 2008
                                                                                                           Genus # Sparbarus - Sun and McCafferty, 2008
                                                                                         Subfamily # Caeninae -  
                                                                                                           Genus # Amercaenis - Provonsha and McCafferty, 1985
                                                                                                           Genus # Caenis - Stephens, 1835
                                                                                   Family # Neoephemeridae -  
                                                                                                           Genus # Neoephemera - McDunnough, 1925
                                                                             Superfamily # Ephemerelloidea -  
                                                                                   Family # Ephemerellidae -  
                                                                                                           Genus # Attenella - Edmunds, 1971
                                                                                                           Genus # Caudatella - Edmunds, 1959
                                                                                                           Genus # Caurinella - Allen, 1984
                                                                                                           Genus # Dannella - Edmunds, 1959
                                                                                                           Genus # Dentatella - Allen, 1980
                                                                                                           Genus # Drunella - Needham, 1905
                                                                                                           Genus # Ephemerella - Walsh, 1862
                                                                                                           Genus # Eurylophella - Tiensuu, 1935
                                                                                                           Genus # Matriella - Jacobus and McCafferty, 2008
                                                                                                           Genus # Penelomax - Jacobus and McCafferty, 2008
                                                                                                           Genus # Serratella - Edmunds, 1959
                                                                                                           Genus # Teloganopsis - Ulmer, 1939
                                                                                                           Genus # Timpanoga - Needham, 1927
                                                                                                           Genus # Tsalia - Jacobus and McCafferty, 2008
                                                                                   Family # Leptohyphidae -  
                                                                                                           Genus # Ableptemetes - Wiersema and McCafferty, 2003
                                                                                                           Genus # Allenhyphes - Hofmann and Sartori, 1999
                                                                                                           Genus # Asioplax - Wiersema and McCafferty, 2000
                                                                                                           Genus # Cabecar - Baumgardner in Baumgardner and Ávila, 2006
                                                                                                           Genus # Epiphrades - Wiersema and McCafferty, 2000
                                                                                                           Genus # Haplohyphes - Allen, 1966
                                                                                                           Genus # Homoleptohyphes - Allen and Murvosh, 1987
                                                                                                           Genus # Leptohyphes - Eaton, 1882
                                                                                                           Genus # Tricoryhyphes - Allen and Murvosh, 1987
                                                                                                           Genus # Tricorythodes - Ulmer, 1920
                                                                                                           Genus # Tricorythopsis - Traver, 1958
                                                                                                           Genus # Vacupernius - Wiersema and McCafferty, 2000
                                                                                   Family # Tricorythidae -  
                                                                                                           Genus # Ranorythus - Oliarinony and Elouard, 1997
                                                                       Infraorder # Scapphodonta -  
                                                                             Superfamily # Ephemeroidea -  
                                                                                   Family # Ephemeridae -  
                                                                                                           Genus # Ephemera - Linnaeus, 1758
                                                                                                           Genus # Hexagenia - Walsh, 1863
                                                                                                           Genus # Litobrancha - McCafferty, 1971
                                                                                   Family # Palingeniidae -  
                                                                                                           Genus # Pentagenia - Walsh, 1863
                                                                                   Family # Polymitarcyidae -  
                                                                                                           Genus # Campsurus - Eaton, 1868
                                                                                                           Genus # Ephoron - Williamson, 1802
                                                                                                           Genus # Tortopus - Needham and Murphy, 1924
                                                                             Superfamily # Euthyplocioidea -  
                                                                                   Family # Euthyplociidae -  
                                                                                                           Genus # Campylocia - Needham and Murphy, 1924
                                                                                                           Genus # Euthyplocia - Eaton, 1871
                                                                             Superfamily # Potamanthoidea -  
                                                                                   Family # Potamanthidae -  
                                                                                                           Genus # Anthopotamus - McCafferty and Bae, 1990
                                                                                                           Genus # Potamanthus - Pictet, 1845
                                                                 Suborder # Pisciforma -  
                                                                                   Family # Acanthametropodidae -  
                                                                                                           Genus # Acanthametropus - Tshernova, 1948
                                                                                                           Genus # Analetris - Edmunds, 1972
                                                                                   Family # Ameletidae -  
                                                                                                           Genus # Ameletus - Eaton, 1885
                                                                                   Family # Ametropodidae -  
                                                                                                           Genus # Ametropus - Albarda, 1878
                                                                                   Family # Baetidae -  
                                                                                                           Genus # Acentrella - Bengtsson, 1912
                                                                                                           Genus # Acerpenna - Waltz and McCafferty, 1987
                                                                                                           Genus # Americabaetis - Kluge, 1992
                                                                                                           Genus # Apobaetis - Day, 1955
                                                                                                           Genus # Baetiella - Ueno, 1931
                                                                                                           Genus # Baetis - Leach, 1815
                                                                                                           Genus # Baetodes - Needham and Murphy, 1924
                                                                                                           Genus # Baetopus - Keffermüller, 1960
                                                                                                           Genus # Barbaetis - Waltz and McCafferty, 1985
                                                                                                           Genus # Callibaetis - Eaton, 1881
                                                                                                           Genus # Camelobaetidius - Demoulin, 1966
                                                                                                           Genus # Centroptilum - Eaton, 1869
                                                                                                           Genus # Cloeodes - Traver, 1938
                                                                                                           Genus # Cloeon - Leach, 1815
                                                                                                           Genus # Diphetor - Waltz and McCafferty, 1987
                                                                                                           Genus # Fallceon - Waltz and McCafferty, 1987
                                                                                                           Genus # Guajirolus - Flowers, 1985
                                                                                                           Genus # Heterocloeon - McDunnough, 1925
                                                                                                           Genus # Iswaeon - McCafferty and Webb, 2005
                                                                                                           Genus # Labiobaetis - Novikova and Kluge, 1987
                                                                                                           Genus # Lugoiops - McCafferty and Baumgardner, 2003
                                                                                                           Genus # Mayobaetis - Waltz and McCafferty, 1985
                                                                                                           Genus # Moribaetis - Waltz and McCafferty, 1985
                                                                                                           Genus # Paracloeodes - Day, 1955
                                                                                                           Genus # Plauditus - Lugo-Ortiz and McCafferty, 1998
                                                                                                           Genus # Procloeon - Bengtsson, 1915
                                                                                                           Genus # Pseudocentroptiloides - Jacob, 1986
                                                                                                           Genus # Pseudocloeon - Klapalek, 1905
                                                                                                           Genus # Varipes - Lugo-Ortiz and McCafferty, 1998
                                                                                   Family # Metretopodidae -  
                                                                                                           Genus # Metretopus - Eaton, 1901
                                                                                                           Genus # Siphloplecton - Clemens, 1915
                                                                                   Family # Siphlonuridae -  
                                                                                                           Genus # Edmundsius - Day, 1953
                                                                                                           Genus # Parameletus - Bengtsson, 1908
                                                                                                           Genus # Siphlonisca - Needham, 1909
                                                                                                           Genus # Siphlonurus - Eaton, 1868
                                                                             Superfamily # Heptagenioidea -  
                                                                                   Family # Arthropleidae -  
                                                                                                           Genus # Arthroplea - Bengtsson, 1908
                                                                                   Family # Heptageniidae -  
                                                                                                           Genus # Anepeorus - McDunnough, 1925
                                                                                                           Genus # Cinygma - Eaton, 1885
                                                                                                           Genus # Cinygmula - McDunnough, 1933
                                                                                                           Genus # Ecdyonurus - Eaton, 1868
                                                                                                           Genus # Epeorus - Eaton, 1881
                                                                                                           Genus # Heptagenia - Walsh, 1863
                                                                                                           Genus # Ironodes - Traver, 1935
                                                                                                           Genus # Leucrocuta - Flowers, 1980
                                                                                                           Genus # Maccaffertium - Bednarik, 1979
                                                                                                           Genus # Macdunnoa - Lehmkuhl, 1979
                                                                                                           Genus # Nixe - Flowers, 1980
                                                                                                           Genus # Raptoheptagenia - Whiting and Lehmkuhl, 1987
                                                                                                           Genus # Rhithrogena - Eaton, 1881
                                                                                                           Genus # Spinadis - Edmunds and Jensen, 1974
                                                                                                           Genus # Stenacron - Jensen, 1974
                                                                                                           Genus # Stenonema - Traver, 1933
                                                                                   Family # Isonychiidae -  
                                                                                                           Genus # Isonychia - Eaton, 1871
                                                                                   Family # Oligoneuriidae -  
                                                                                                           Genus # Homoeoneuria - Eaton, 1881
                                                                                                           Genus # Lachlania - Hagen, 1868
                                                                                                           Genus # Oligoneuria - Pictet, 1843
                                                                                   Family # Pseudironidae -  
                                                                                                           Genus # Pseudiron - McDunnough, 1931
                                                           Order # Odonata - Fabricius, 1793
                                                                 Suborder # Anisoptera - Selys, 1854
                                                                                   Family # Aeshnidae -  
                                                                                                           Genus # Aeshna - Fabricius, 1775
                                                                                                           Genus # Allopetalia - Selys, 1873
                                                                                                           Genus # Anax - Leach, 1815
                                                                                                           Genus # Andaeschna - De Marmels, 1994
                                                                                                           Genus # Basiaeschna - Selys, 1883
                                                                                                           Genus # Boyeria - McLachlan, 1895
                                                                                                           Genus # Castoraeschna - Calvert, 1952
                                                                                                           Genus # Coryphaeschna - Williamson, 1903
                                                                                                           Genus # Epiaeschna - Hagen, 1877
                                                                                                           Genus # Gomphaeschna - Selys, 1871
                                                                                                           Genus # Gynacantha - Rambur, 1842
                                                                                                           Genus # Limnetron - Förster, 1907
                                                                                                           Genus # Nasiaeschna - Selys in Förster, 1900
                                                                                                           Genus # Neuraeschna - Hagen, 1867
                                                                                                           Genus # Oplonaeschna - Selys, 1883
                                                                                                           Genus # Racenaeschna - Calvert, 1958
                                                                                                           Genus # Remartinia - Navás, 1911
                                                                                                           Genus # Rhionaeschna - Foerster, 1909
                                                                                                           Genus # Staurophlebia - Brauer, 1865
                                                                                                           Genus # Triacanthagyna - Selys, 1883
                                                                                   Family # Austropetaliidae -  
                                                                                                           Genus # Hypopetalia - McLachlan, 1870
                                                                                                           Genus # Phyllopetalia - Selys, 1858
                                                                                   Family # Cordulegastridae -  
                                                                                                           Genus # Cordulegaster - Leach, 1815
                                                                                   Family # Corduliidae -  
                                                                                         Subfamily # Corduliinae -  
                                                                                                           Genus # Aeschnosoma - Selys, 1870
                                                                                                           Genus # Cordulia - Leach, 1815
                                                                                                           Genus # Dorocordulia - Needham, 1901
                                                                                                           Genus # Epitheca - Burmeister, 1839
                                                                                                           Genus # Gomphomacromia - Brauer, 1864
                                                                                                           Genus # Helocordulia - Needham, 1901
                                                                                                           Genus # Lauromacromia - Geijskes, 1970
                                                                                                           Genus # Navicordulia - Machado and Costa, 1995
                                                                                                           Genus # Neocordulia - Selys, 1882
                                                                                                           Genus # Neurocordulia - Selys, 1871
                                                                                                           Genus # Paracordulia - Martin, 1906
                                                                                                           Genus # Rialla - Navás, 1915
                                                                                                           Genus # Santosia - Costa and T. Santos, 1992
                                                                                                           Genus # Somatochlora - Selys, 1871
                                                                                                           Genus # Williamsonia - Davis, 1913
                                                                                         Subfamily # Macromiinae -  
                                                                                                           Genus # Didymops - Rambur, 1842
                                                                                                           Genus # Macromia - Rambur, 1842
                                                                                   Family # Gomphidae -  
                                                                                                           Genus # Agriogomphus - Selys, 1869
                                                                                                           Genus # Anomalophlebia - Belle, 1995
                                                                                                           Genus # Aphylla - Selys, 1854
                                                                                                           Genus # Archaeogomphus - Williamson, 1919
                                                                                                           Genus # Arigomphus - Needham, 1897
                                                                                                           Genus # Brasiliogomphus - Belle, 1995
                                                                                                           Genus # Cacoides - Cowley, 1934
                                                                                                           Genus # Cyanogomphus - Selys, 1873
                                                                                                           Genus # Desmogomphus - Williamson, 1920
                                                                                                           Genus # Diaphlebia - Selys, 1854
                                                                                                           Genus # Dromogomphus - Selys, 1854
                                                                                                           Genus # Epigomphus - Hagen in Selys, 1854
                                                                                                           Genus # Erpetogomphus - Selys, 1858
                                                                                                           Genus # Gomphoides - Selys, 1854
                                                                                                           Genus # Gomphus - Leach, 1815
                                                                                                           Genus # Hagenius - Selys, 1854
                                                                                                           Genus # Idiogomphoides - Belle, 1984
                                                                                                           Genus # Lanthus - Needham, 1897
                                                                                                           Genus # Melanocacus - Belle, 1986
                                                                                                           Genus # Mitragomphus - Needham, 1944
                                                                                                           Genus # Neogomphus - Selys, 1858
                                                                                                           Genus # Octogomphus - Selys, 1873
                                                                                                           Genus # Ophiogomphus - Selys, 1854
                                                                                                           Genus # Perigomphus - Belle, 1972
                                                                                                           Genus # Peruviogomphus - Klots, 1944
                                                                                                           Genus # Phyllocycla - Calvert, 1948
                                                                                                           Genus # Phyllogomphoides - Belle, 1970
                                                                                                           Genus # Praeviogomphus - Belle, 1995
                                                                                                           Genus # Progomphus - Selys, 1854
                                                                                                           Genus # Stylogomphus - Fraser, 1922
                                                                                                           Genus # Stylurus - Needham, 1897
                                                                                                           Genus # Tibiagomphus - Belle, 1992
                                                                                                           Genus # Zonophora - Selys, 1854
                                                                                   Family # Libellulidae -  
                                                                                                           Genus # Anatya - Kirby, 1889
                                                                                                           Genus # Antidythemis - Kirby, 1889
                                                                                                           Genus # Argyrothemis - Ris, 1909
                                                                                                           Genus # Brachymesia - Kirby, 1889
                                                                                                           Genus # Brechmorhoga - Kirby, 1894
                                                                                                           Genus # Cannaphila - Kirby, 1889
                                                                                                           Genus # Celithemis - Hagen, 1861
                                                                                                           Genus # Crocothemis - Brauer, 1868
                                                                                                           Genus # Dasythemis - Karsch, 1889
                                                                                                           Genus # Deielia - Kirby, 1889
                                                                                                           Genus # Diastatops - Rambur, 1842
                                                                                                           Genus # Dythemis - Hagen, 1861
                                                                                                           Genus # Edonis - Needham, 1905
                                                                                                           Genus # Elasmothemis - Westfall, 1988
                                                                                                           Genus # Elga - Ris, 1909
                                                                                                           Genus # Erythemis - Hagen, 1861
                                                                                                           Genus # Erythrodiplax - Brauer, 1868
                                                                                                           Genus # Fylgia - Kirby, 1889
                                                                                                           Genus # Gynothemis - Calvert in Ris, 1909
                                                                                                           Genus # Idiataphe - Cowley, 1934
                                                                                                           Genus # Ladona - Needham, 1899
                                                                                                           Genus # Leucorrhinia - Brittinger, 1850
                                                                                                           Genus # Libellula - Linnaeus, 1758
                                                                                                           Genus # Macrodiplax - Brauer, 1868
                                                                                                           Genus # Macrothemis - Hagen, 1868
                                                                                                           Genus # Miathyria - Kirby, 1889
                                                                                                           Genus # Micrathyria - Kirby, 1889
                                                                                                           Genus # Misagria - Kirby, 1889
                                                                                                           Genus # Nannothemis - Brauer, 1868
                                                                                                           Genus # Nephepeltia - Kirby, 1889
                                                                                                           Genus # Nesogonia - Kirby, 1898
                                                                                                           Genus # Nothodiplax - Belle, 1984
                                                                                                           Genus # Oligoclada - Karsch, 1890
                                                                                                           Genus # Orthemis - Hagen, 1861
                                                                                                           Genus # Pachydiplax - Brauer, 1868
                                                                                                           Genus # Paltothemis - Karsch, 1890
                                                                                                           Genus # Pantala - Hagen, 1861
                                                                                                           Genus # Perithemis - Hagen, 1861
                                                                                                           Genus # Phyllothemis - Fraser, 1935
                                                                                                           Genus # Planiplax - Muttkowski, 1910
                                                                                                           Genus # Plathemis - Hagen, 1861
                                                                                                           Genus # Pseudoleon - Kirby, 1889
                                                                                                           Genus # Rhodopygia - Kirby, 1889
                                                                                                           Genus # Scapanea - Kirby, 1889
                                                                                                           Genus # Sympetrum - Newman, 1833
                                                                                                           Genus # Tauriphila - Kirby, 1889
                                                                                                           Genus # Tholymis - Hagen, 1867
                                                                                                           Genus # Tramea - Hagen, 1861
                                                                                                           Genus # Uracis - Rambur, 1842
                                                                                                           Genus # Ypirangathemis - Santos, 1945
                                                                                                           Genus # Zenithoptera - Selys, 1869
                                                                                   Family # Neopetaliidae -  
                                                                                                           Genus # Neopetalia - Cowley, 1934
                                                                                   Family # Petaluridae -  
                                                                                                           Genus # Phenes - Rambur, 1842
                                                                                                           Genus # Tachopteryx - Uhler in Selys, 1859
                                                                                                           Genus # Tanypteryx - Kennedy, 1917
                                                                 Suborder # Zygoptera - Selys, 1854
                                                                                   Family # Amphipterygidae -  
                                                                                                           Genus # Amphipteryx - Selys, 1853
                                                                                                           Genus # Rimanella - Needham, 1934
                                                                                   Family # Calopterygidae -  
                                                                                                           Genus # Calopteryx - Leach, 1815
                                                                                                           Genus # Hetaerina - Hagen in Selys, 1853
                                                                                                           Genus # Iridictyon - Needham and Fisher, 1940
                                                                                                           Genus # Mnesarete - Cowley, 1934
                                                                                   Family # Coenagrionidae -  
                                                                                                           Genus # Acanthagrion - Selys, 1876
                                                                                                           Genus # Acanthallagma - Williamson and Williamson, 1924
                                                                                                           Genus # Aeolagrion - Williamson, 1917
                                                                                                           Genus # Amphiagrion - Selys, 1876
                                                                                                           Genus # Andinagrion - Bulla, 1973
                                                                                                           Genus # Anisagrion - Selys, 1876
                                                                                                           Genus # Antiagrion - Ris, 1904
                                                                                                           Genus # Apanisagrion - Kennedy, 1920
                                                                                                           Genus # Argia - Rambur, 1842
                                                                                                           Genus # Bromeliagrion - De Marmels in De Marmels and Garrison, 2005
                                                                                                           Genus # Calvertagrion - St. Quentin, 1960
                                                                                                           Genus # Chromagrion - Needham, 1903
                                                                                                           Genus # Chrysobasis - Rácenis, 1959
                                                                                                           Genus # Coenagrion - Kirby, 1890
                                                                                                           Genus # Cyanallagma - Kennedy, 1920
                                                                                                           Genus # Diceratobasis - Kennedy, 1920
                                                                                                           Genus # Enacantha - Donnelly and Alayo, 1966
                                                                                                           Genus # Enallagma - Charpentier, 1840
                                                                                                           Genus # Helveciagrion - Machado, 1980
                                                                                                           Genus # Hesperagrion - Calvert, 1902
                                                                                                           Genus # Homeoura - Kennedy, 1920
                                                                                                           Genus # Hylaeonympha - Rácenis, 1968
                                                                                                           Genus # Inpabasis - Santos, 1961
                                                                                                           Genus # Ischnura - Charpentier, 1840
                                                                                                           Genus # Leptagrion - Selys, 1876
                                                                                                           Genus # Leptobasis - Selys, 1877
                                                                                                           Genus # Leucobasis - Rácenis, 1959
                                                                                                           Genus # Megalagrion - McLachlan, 1883
                                                                                                           Genus # Mesamphiagrion - Kennedy, 1920
                                                                                                           Genus # Mesoleptobasis - Sjöstedt, 1918
                                                                                                           Genus # Metaleptobasis - Calvert, 1907
                                                                                                           Genus # Minagrion - Santos, 1965
                                                                                                           Genus # Nehalennia - Selys, 1850
                                                                                                           Genus # Neoerythromma - Kennedy, 1920
                                                                                                           Genus # Oxyagrion - Selys, 1876
                                                                                                           Genus # Oxyallagma - Kennedy, 1920
                                                                                                           Genus # Protallagma - Kennedy, 1920
                                                                                                           Genus # Skiallagma - Förster, 1906
                                                                                                           Genus # Telagrion - Selys, 1876
                                                                                                           Genus # Telebasis - Selys, 1865
                                                                                                           Genus # Tigriagrion - Calvert, 1909
                                                                                                           Genus # Zoniagrion - Kennedy, 1917
                                                                                   Family # Dicteriadidae -  
                                                                                                           Genus # Dicterias - Selys, 1853
                                                                                                           Genus # Heliocharis - Selys, 1853
                                                                                   Family # Lestidae -  
                                                                                                           Genus # Archilestes - Selys, 1862
                                                                                                           Genus # Lestes - Leach, 1815
                                                                                   Family # Megapodagrionidae -  
                                                                                                           Genus # Allopodagrion - Förster, 1910
                                                                                                           Genus # Archaeopodagrion - Kennedy, 1939
                                                                                                           Genus # Dimeragrion - Calvert, 1913
                                                                                                           Genus # Heteragrion - Selys, 1862
                                                                                                           Genus # Heteropodagrion - Selys, 1885
                                                                                                           Genus # Hypolestes - Gundlach, 1888
                                                                                                           Genus # Megapodagrion - Selys, 1885
                                                                                                           Genus # Mesagrion - Selys, 1885
                                                                                                           Genus # Neuragrion - Karsch, 1891
                                                                                                           Genus # Oxystigma - Selys, 1862
                                                                                                           Genus # Paraphlebia - Selys in Hagen, 1861
                                                                                                           Genus # Philogenia - Selys, 1862
                                                                                                           Genus # Sciotropis - Rácenis, 1959
                                                                                                           Genus # Teinopodagrion - De Marmels, 2001
                                                                                                           Genus # Thaumatoneura - McLachlan, 1897
                                                                                   Family # Perilestidae -  
                                                                                                           Genus # Perilestes - Hagen in Selys, 1862
                                                                                                           Genus # Perissolestes - Kennedy, 1941
                                                                                   Family # Platystictidae -  
                                                                                                           Genus # Palaemnema - Selys, 1860
                                                                                   Family # Polythoridae -  
                                                                                                           Genus # Chalcopteryx - Selys, 1853
                                                                                                           Genus # Chalcothore - De Marmels, 1985
                                                                                                           Genus # Cora - Selys, 1853
                                                                                                           Genus # Euthore - Selys, 1869
                                                                                                           Genus # Kalocora - Kennedy, 1940
                                                                                                           Genus # Miocora - Calvert, 1917
                                                                                                           Genus # Polythore - Calvert, 1917
                                                                                                           Genus # Stenocora - Kennedy, 1940
                                                                                   Family # Protoneuridae -  
                                                                                                           Genus # Amazoneura - Machado, 2004
                                                                                                           Genus # Epipleoneura - Williamson, 1915
                                                                                                           Genus # Epipotoneura - Williamson, 1915
                                                                                                           Genus # Forcepsioneura - Lencioni, 1999
                                                                                                           Genus # Idioneura - Selys, 1860
                                                                                                           Genus # Junix - Rácenis, 1968
                                                                                                           Genus # Lamproneura - De Marmels, 2003
                                                                                                           Genus # Microneura - Hagen in Selys, 1886
                                                                                                           Genus # Neoneura - Selys, 1860
                                                                                                           Genus # Peristicta - Hagen in Selys, 1860
                                                                                                           Genus # Phasmoneura - Williamson, 1916
                                                                                                           Genus # Proneura - Selys, 1889
                                                                                                           Genus # Protoneura - Selys in Sagra, 1857
                                                                                                           Genus # Psaironeura - Williamson, 1915
                                                                                                           Genus # Roppaneura - Santos, 1966
                                                                                   Family # Pseudostigmatidae -  
                                                                                                           Genus # Anomisma - McLachlan, 1877
                                                                                                           Genus # Mecistogaster - Rambur, 1842
                                                                                                           Genus # Megaloprepus - Rambur, 1842
                                                                                                           Genus # Microstigma - Rambur, 1842
                                                                                                           Genus # Pseudostigma - Selys, 1860
                                                                                   Family # Synlestidae -  
                                                                                                           Genus # Phylolestes - Christiansen, 1947
                                   Class # Protura -  
                                                           Order # Protura - Silvestri, 1907
                                                                 Suborder # Acerentomoidea - Condé, 1951
                                                                                   Family # Acerentomidae - Silvestri, 1907
                                                                                         Subfamily # Acerellinae - Yin, 1983
                                                                                                           Genus # Acerella - Berlese, 1909
                                                                                         Subfamily # Acerentominae - Silvestri, 1907
                                                                                                           Genus # Acerentomon - Silvestri, 1907
                                                                                                           Genus # Filientomon - Rusek, 1974
                                                                                                           Genus # Fjellbergella - Nosek, 1980
                                                                                                           Genus # Huashanentulus - Yin, 1980
                                                                                                           Genus # Orinentomon - Yin and Xie, 1993
                                                                                                           Genus # Sugaentulus - Imadaté, 1978
                                                                                                           Genus # Tuxenentulus - Imadaté, 1974
                                                                                                           Genus # Wenyingia - Imadaté, 1986
                                                                                                           Genus # Yamatentomon - Imadaté, 1964
                                                                                                           Genus # Yichunentulus - Yin, 1980
                                                                                         Subfamily # Berberentulinae - Yin, 1983
                                                                                                           Genus # Acerentuloides - Ewing, 1921
                                                                                                           Genus # Acerentulus - Berlese, 1908
                                                                                                           Genus # Amazonentulus - Yin, 1989
                                                                                                           Genus # Amphientulus - Tuxen, 1981
                                                                                                           Genus # Andinentulus - Tuxen, 1984
                                                                                                           Genus # Australentulus - Tuxen, 1967
                                                                                                           Genus # Baculentulus - Tuxen, 1977
                                                                                                           Genus # Berberentulus - Tuxen, 1963
                                                                                                           Genus # Bolivaridia - Bonet, 1942
                                                                                                           Genus # Brasilentulus - Nosek, 1973
                                                                                                           Genus # Brasilidia - Nosek, 1973
                                                                                                           Genus # Chosonentulus - Imadaté and Szeptycki, 1976
                                                                                                           Genus # Delamarentulus - Tuxen, 1963
                                                                                                           Genus # Gracilentulus - Tuxen, 1963
                                                                                                           Genus # Kenyentulus - Tuxen, 1981
                                                                                                           Genus # Madagascaridia - Nosek, 1978
                                                                                                           Genus # Maderentulus - Tuxen, 1963
                                                                                                           Genus # Najtentulus - Szeptycki and Weiner, 1997
                                                                                                           Genus # Neobaculentulus - Yin, 1984
                                                                                                           Genus # Notentulus - Yin, 1989
                                                                                                           Genus # Podolinella - Szeptycki, 1995
                                                                                                           Genus # Polyadenum - Yin, 1980
                                                                                                           Genus # Proacerella - Bernard, 1976
                                                                                                           Genus # Silvestridia - Bonet, 1942
                                                                                                           Genus # Tasmanentulus - Tuxen, 1986
                                                                                                           Genus # Tuxenidia - Nosek and Cvijovic, 1969
                                                                                                           Genus # Vindobonella - Szeptycki and Christian, 2001
                                                                                                           Genus # Yinentulus - Tuxen, 1986
                                                                                                           Genus # Zangentulus - Yin, 1983
                                                                                         Subfamily # Nipponentominae - Yin, 1983
                                                                                                           Genus # Alaskaentomon - Nosek, 1977
                                                                                                           Genus # Callientomon - Yin, 1980
                                                                                                           Genus # Imadateiella - Rusek, 1974
                                                                                                           Genus # Nanshanentulus - Bu and Yin, 2007
                                                                                                           Genus # Nienna - Szeptycki, 1988
                                                                                                           Genus # Nipponentomon - Imadaté and Yosii, 1959
                                                                                                           Genus # Noldo - Szeptycki, 1988
                                                                                                           Genus # Nosekiella - Rusek, 1974
                                                                                                           Genus # Paracerella - Imadaté, 1980
                                                                                                           Genus # Verrucoentomon - Rusek, 1974
                                                                                                           Genus # Vesiculentomon - Rusek, 1974
                                                                                                           Genus # Yavanna - Szeptycki, 1988
                                                                                   Family # Hesperentomidae - Price, 1960
                                                                                         Subfamily # Hesperentominae - Price, 1960
                                                                                                           Genus # Hesperentomon - Price, 1960
                                                                                                           Genus # Ionescuellum - Tuxen, 1960
                                                                                         Subfamily # Huhentominae - Yin, 1983
                                                                                                           Genus # Huhentomon - Yin, 1977
                                                                                   Family # Protentomidae - Ewing, 1936
                                                                                         Subfamily # Condeellinae - Tuxen and Yin, 1982
                                                                                                           Genus # Condeellum - Tuxen, 1963
                                                                                                           Genus # Neocondeellum - Tuxen and Yin, 1982
                                                                                                           Genus # Paracondeellum - Yin, Xie and Zhang, 1994
                                                                                         Subfamily # Hinomotentominae - Yin, 1999
                                                                                                           Genus # Hinomotentomon - Imadaté, 1974
                                                                                         Subfamily # Protentominae - Ewing, 1936
                                                                                                           Genus # Protentomon - Ewing, 1921
                                                                                                           Genus # Proturentomon - Silvestri, 1909
                                                                 Suborder # Eosentomoidea - Condé, 1951
                                                                                   Family # Antelientomidae - Yin, 1983
                                                                                                           Genus # Antelientomon - Yin, 1974
                                                                                   Family # Eosentomidae - Berlese, 1909
                                                                                         Subfamily # Anisentominae - Yin, 1983
                                                                                                           Genus # Anisentomon - Yin, 1977
                                                                                                           Genus # Neanisentomon - Zhang and Yin, 1984
                                                                                                           Genus # Paranisentomon - Zhang and Yin, 1984
                                                                                                           Genus # Pseudanisentomon - Zhang and Yin, 1984
                                                                                         Subfamily # Eosentominae - Berlese, 1909
                                                                                                           Genus # Eosentomon - Berlese, 1908
                                                                                                           Genus # Styletoentomon - Copeland, 1978
                                                                                         Subfamily # Isoentominae - Yin, 1983
                                                                                                           Genus # Isoentomon - Tuxen, 1975
                                                                                                           Genus # Madagascarentomon - Nosek, 1978
                                                                                                           Genus # Zhongguohentomon - Yin, 1979
                                                                 Suborder # Sinentomoidea - Nosek, 1973
                                                                                   Family # Fujientomidae - Tuxen and Yin, 1982
                                                                                                           Genus # Fujientomon - Imadaté, 1964
                                                                                   Family # Sinentomidae - Yin, 1965
                                                                                                           Genus # Sinentomon - Yin, 1965
                       Subphylum # Myriapoda -  
                                   Class # Chilopoda -  
                                         Subclass # Notostigmophora - Verhoeff, 1901
                                                           Order # Scutigeromorpha - Pocock, 1895
                                                                                   Family # Pselliodidae - Chamberlin, 1955
                                                                                                           Genus # Gonethella - Chamberlin, 1918
                                                                                                           Genus # Gonethina - Chamberlin, 1918
                                                                                                           Genus # Sphendononema - Verhoeff, 1904
                                                                                   Family # Scutigeridae - Leach, 1814
                                                                                         Subfamily # Scutigerinae - Leach, 1814
                                                                                                           Genus # Ballonema - Verhoeff, 1904
                                                                                                           Genus # Ballonemella - Verhoeff, 1944
                                                                                                           Genus # Brasiloscutigera - Bücherl, 1939
                                                                                                           Genus # Dendrothereua - Verhoeff, 1944
                                                                                                           Genus # Gomphor - Chamberlin, 1944
                                                                                                           Genus # Scutigera - Lamarck, 1801
                                                                                         Subfamily # Thereuoneminae - Verhoeff, 1925
                                                                                                           Genus # Allothereua - Verhoeff, 1905
                                                                                                           Genus # Diplacrophor - Chamberlin, 1920
                                                                                                           Genus # Parascutigera - Verhoeff, 1904
                                                                                                           Genus # Pesvarus - Würmli, 1974
                                                                                                           Genus # Phanothereua - Chamberlin, 1958
                                                                                                           Genus # Pilbarascutigera - Edgecombe and Barrow, 2007
                                                                                                           Genus # Podothereua - Verhoeff, 1905
                                                                                                           Genus # Prionopodella - Verhoeff, 1925
                                                                                                           Genus # Prothereua - Verhoeff, 1925
                                                                                                           Genus # Seychellonema - Butler, Edgecombe, Ball and Giribet, 2011
                                                                                                           Genus # Tachythereua - Verhoeff, 1905
                                                                                                           Genus # Thereulla - Chamberlin, 1955
                                                                                                           Genus # Thereuonema - Verhoeff, 1904
                                                                                                           Genus # Thereuopoda - Verhoeff, 1904
                                                                                                           Genus # Thereuopodina - Verhoeff, 1905
                                                                                                           Genus # Thereuoquima - Bücherl, 1949
                                                                                   Family # Scutigerinidae - Attems, 1926
                                                                                                           Genus # Madagassophora - Verhoeff, 1936
                                                                                                           Genus # Scutigerina - Silvestri, 1903
                                         Subclass # Pleurostigmophora - Pocock, 1902
                                                           Order # Craterostigmomorpha - Pocock, 1902
                                                                                   Family # Craterostigmidae - Pocock, 1902
                                                                                                           Genus # Craterostigmus - Pocock, 1902
                                                           Order # Geophilomorpha -  
                                                                 Suborder # Adesmata -  
                                                                             Superfamily # Geophiloidea - Leach, 1815
                                                                                   Family # Geophilidae - Leach, 1815
                                                                                                           Genus # Abatorus - Chamberlin, 1965
                                                                                                           Genus # Acanthogeophilus - Minelli, 1982
                                                                                                           Genus # Achilophilus - Attems, 1926
                                                                                                           Genus # Agathothus - Bollman, 1893
                                                                                                           Genus # Agnathodon - Folkmanová and Dobroruka, 1960
                                                                                                           Genus # Algerophilus - Brölemann, 1925
                                                                                                           Genus # Alloschizotaenia - Brölemann, 1909
                                                                                                           Genus # Aphilodon - Silvestri, 1898
                                                                                                           Genus # Apogeophilus - Silvestri, 1905
                                                                                                           Genus # Araucania - Chamberlin, 1956
                                                                                                           Genus # Arctogeophilus - Attems, 1909
                                                                                                           Genus # Arenophilus - Chamberlin, 1912
                                                                                                           Genus # Aztekophilus - Verhoeff, 1934
                                                                                                           Genus # Barrophilus - Chamberlin, 1940
                                                                                                           Genus # Bebekium - Verhoeff, 1941
                                                                                                           Genus # Bithyniphilus - Verhoeff, 1941
                                                                                                           Genus # Brachygeophilus - Brölemann, 1909
                                                                                                           Genus # Brachygonarea - Ribaut, 1911
                                                                                                           Genus # Caliphilus - Chamberlin, 1941
                                                                                                           Genus # Cephalodolichus - Verhoeff, 1938
                                                                                                           Genus # Cheiletha - Chamberlin, 1946
                                                                                                           Genus # Chilenophilus - Attems, 1909
                                                                                                           Genus # Chomatophilus - Pocock, 1896
                                                                                                           Genus # Clinopodes - C. L. Koch, 1847
                                                                                                           Genus # Condylona - Chamberlin, 1941
                                                                                                           Genus # Damothus - Chamberlin, 1960
                                                                                                           Genus # Dekanphilus - Verhoeff, 1938
                                                                                                           Genus # Dignathodon - Meinert, 1870
                                                                                                           Genus # Diphyonyx - Bonato, Zapparoli and Minelli, 2008
                                                                                                           Genus # Dyodesmophilus - Verhoeff, 1938
                                                                                                           Genus # Dysmesus - Chamberlin, 1944
                                                                                                           Genus # Ecuadoron - Chamberlin, 1956
                                                                                                           Genus # Endogeophilus - Bonato, Zapparoli, Drago and Minelli, 2016
                                                                                                           Genus # Eremerium - Chamberlin, 1941
                                                                                                           Genus # Eremorus - Chamberlin, 1963
                                                                                                           Genus # Erithophilus - Cook, 1899
                                                                                                           Genus # Eurygeophilus - Verhoeff, 1899
                                                                                                           Genus # Fagetophilus - Folkmanová, 1956
                                                                                                           Genus # Filipponus - Chamberlin, 1962
                                                                                                           Genus # Galliophilus - Ribaut and Brolemann, 1927
                                                                                                           Genus # Garrina - Chamberlin, 1915
                                                                                                           Genus # Geomerinus - Brölemann, 1912
                                                                                                           Genus # Geoperingueyia - Attems, 1926
                                                                                                           Genus # Geophilus - Leach, 1814
                                                                                                           Genus # Gnathoribautia - Brölemann, 1909
                                                                                                           Genus # Gosipina - Chamberlin, 1940
                                                                                                           Genus # Hapleurytion - Verhoeff, 1940
                                                                                                           Genus # Harmostela - Chamberlin, 1941
                                                                                                           Genus # Harpacticellus - Verhoeff, 1941
                                                                                                           Genus # Henia - C. L. Koch, 1847
                                                                                                           Genus # Horonia - Chamberlin, 1966
                                                                                                           Genus # Hovanyx - Lawrence, 1960
                                                                                                           Genus # Hyphydrophilus - Pereira, Minelli and Barbieri, 1994
                                                                                                           Genus # Javaenia - Chamberlin, 1944
                                                                                                           Genus # Ketampa - Chamberlin, 1956
                                                                                                           Genus # Kurdistanius - Verhoeff, 1941
                                                                                                           Genus # Lionyx - Chamberlin, 1960
                                                                                                           Genus # Macronicophilus - Silvestri, 1909
                                                                                                           Genus # Malochora - Chamberlin, 1941
                                                                                                           Genus # Maoriella - Attems, 1903
                                                                                                           Genus # Mecistauchenus - Brölemann, 1907
                                                                                                           Genus # Mecophilus - Silvestri, 1909
                                                                                                           Genus # Mixophilus - Silvestri, 1929
                                                                                                           Genus # Nabocodes - Chamberlin, 1940
                                                                                                           Genus # Nannocrix - Chamberlin, 1918
                                                                                                           Genus # Navajona - Chamberlin, 1930
                                                                                                           Genus # Nesidiphilus - Chamberlin, 1915
                                                                                                           Genus # Nesomerium - Chamberlin, 1953
                                                                                                           Genus # Nicopus - Attems, 1947
                                                                                                           Genus # Nothogeophilus - Lewis, Jones and Keay, 1988
                                                                                                           Genus # Oligna - Chamberlin, 1943
                                                                                                           Genus # Orinomerium - Chamberlin, 1956
                                                                                                           Genus # Ortognathus - Folkmanová, 1958
                                                                                                           Genus # Pachymerellus - Chamberlin, 1920
                                                                                                           Genus # Pachymerinus - Silvestri, 1905
                                                                                                           Genus # Pachymerium - C. L. Koch, 1847
                                                                                                           Genus # Pagotaenia - Chamberlin, 1915
                                                                                                           Genus # Pandineum - Chamberlin, 1956
                                                                                                           Genus # Peruphilus - Chamberlin, 1944
                                                                                                           Genus # Philacroterium - Attems, 1926
                                                                                                           Genus # Piestophilus - Cook, 1895
                                                                                                           Genus # Plateurytion - Attems, 1909
                                                                                                           Genus # Pleurogeophilus - Verhoeff, 1901
                                                                                                           Genus # Poaphilus - Chamberlin, 1912
                                                                                                           Genus # Polycricus - Saussure and Humbert, 1872
                                                                                                           Genus # Polygonarea - Attems, 1909
                                                                                                           Genus # Porethus - Chamberlin, 1952
                                                                                                           Genus # Portoricellus - Chamberlin, 1950
                                                                                                           Genus # Portoricona - Chamberlin, 1950
                                                                                                           Genus # Proschizotaenia - Silvestri, 1907
                                                                                                           Genus # Pseudofagetophilus - Folkmanová and Dobroruka, 1960
                                                                                                           Genus # Purcellinus - Attems, 1926
                                                                                                           Genus # Pycnona - Chamberlin, 1943
                                                                                                           Genus # Queenslandophilus - Verhoeff, 1925
                                                                                                           Genus # Ribautia - Brölemann, 1909
                                                                                                           Genus # Schendyloides - Attems, 1897
                                                                                                           Genus # Schizonampa - Chamberlin, 1914
                                                                                                           Genus # Schizonium - Chamberlin, 1956
                                                                                                           Genus # Schizopleres - Folkmanová, 1956
                                                                                                           Genus # Schizotaenia - Cook, 1896
                                                                                                           Genus # Sepedonophilus - Attems, 1909
                                                                                                           Genus # Serrona - Chamberlin, 1941
                                                                                                           Genus # Sogona - Chamberlin, 1912
                                                                                                           Genus # Steneurytion - Attems, 1909
                                                                                                           Genus # Stenotaenia - C. L. Koch, 1847
                                                                                                           Genus # Strigamia - Gray, 1843
                                                                                                           Genus # Stylolaemus - Karsch, 1881
                                                                                                           Genus # Sundageophilus - Bonato, Klarner, Widyastuti and Scheu, 2016
                                                                                                           Genus # Synerium - Chamberlin, 1956
                                                                                                           Genus # Synthophilus - Chamberlin, 1946
                                                                                                           Genus # Taiyuna - Chamberlin, 1912
                                                                                                           Genus # Taschkentia - Verhoeff, 1930
                                                                                                           Genus # Telocricus - Chamberlin, 1915
                                                                                                           Genus # Timpina - Chamberlin, 1912
                                                                                                           Genus # Tretechthus - Cook, 1896
                                                                                                           Genus # Tuoba - Chamberlin, 1920
                                                                                                           Genus # Tylonyx - Cook, 1899
                                                                                                           Genus # Watophilus - Chamberlin, 1912
                                                                                                           Genus # Zantaenia - Chamberlin, 1960
                                                                                                           Genus # Zygona - Chamberlin, 1960
                                                                                                           Genus # Zygophilus - Chamberlin, 1952
                                                                                   Family # Gonibregmatidae - Cook, 1896
                                                                                                           Genus # Disargus - Cook, 1896
                                                                                                           Genus # Dschangelophilus - Verhoeff, 1937
                                                                                                           Genus # Eriphantes - Crabill, 1970
                                                                                                           Genus # Eucratonyx - Pocock, 1898
                                                                                                           Genus # Evallogeophilus - Silvestri, 1918
                                                                                                           Genus # Geoporophilus - Silvestri, 1919
                                                                                                           Genus # Gonibregmatus - Newport, 1843
                                                                                                           Genus # Himantosoma - Pocock, 1891
                                                                                                           Genus # Luangana - Attems, 1953
                                                                                                           Genus # Madageophilus - Lawrence, 1960
                                                                                                           Genus # Neogeophilus - Silvestri, 1918
                                                                                                           Genus # Sogophagus - Chamberlin, 1912
                                                                                                           Genus # Tweediphilus - Verhoeff, 1937
                                                                                   Family # Zelanophilidae - Bonato, Drago and Murienne, 2014
                                                                                                           Genus # Australiophilus - Verhoeff, 1925
                                                                                                           Genus # Tasmanophilus - Chamberlin, 1920
                                                                                                           Genus # Zelanophilus - Chamberlin, 1920
                                                                             Superfamily # Himantarioidea - Bollman, 1893
                                                                                   Family # Himantariidae - Bollman, 1893
                                                                                                           Genus # Arcophilus - Chamberlin, 1943
                                                                                                           Genus # Bothriogaster - Sseliwanoff, 1879
                                                                                                           Genus # Californiphilus - Verhoeff, 1938
                                                                                                           Genus # Causerium - Chamberlin, 1964
                                                                                                           Genus # Chomatobius - Humbert and Saussure, 1870
                                                                                                           Genus # Diporocyclus - Attems, 1951
                                                                                                           Genus # Empherozoster - Crabill, 1959
                                                                                                           Genus # Garriscaphus - Chamberlin, 1941
                                                                                                           Genus # Geoballus - Crabill, 1969
                                                                                                           Genus # Gosothrix - Chamberlin, 1923
                                                                                                           Genus # Haplophilus - Cook, 1896
                                                                                                           Genus # Himantariella - Chalande and Ribaut, 1909
                                                                                                           Genus # Himantarium - C. L. Koch, 1847
                                                                                                           Genus # Mesocanthus - Meinert, 1870
                                                                                                           Genus # Nothobius - Cook, 1899
                                                                                                           Genus # Stenophilus - Chamberlin, 1946
                                                                                                           Genus # Stigmatogaster - Latzel, 1880
                                                                                                           Genus # Straberax - Crabill, 1969
                                                                                                           Genus # Thracophilus - Verhoeff, 1926
                                                                                   Family # Oryidae - Cook, 1896
                                                                                                           Genus # Aspidopleres - Porat, 1893
                                                                                                           Genus # Chamberlinia - Machado, 1951
                                                                                                           Genus # Ctenorya - Cook, 1896
                                                                                                           Genus # Diphtherogaster - Attems, 1909
                                                                                                           Genus # Endoptelus - Chamberlin, 1939
                                                                                                           Genus # Heniorya - Cook, 1896
                                                                                                           Genus # Lamotteophilus - Demange, 1963
                                                                                                           Genus # Marshallopus - Verhoeff, 1937
                                                                                                           Genus # Metaxythus - Crabill, 1968
                                                                                                           Genus # Notiphilides - Latzel, 1880
                                                                                                           Genus # Nycternyssa - Crabill, 1959
                                                                                                           Genus # Orphnaeus - Meinert, 1870
                                                                                                           Genus # Orya - Meinert, 1870
                                                                                                           Genus # Parorya - Cook, 1896
                                                                                                           Genus # Pentorya - Cook, 1896
                                                                                                           Genus # Stenorya - Crabill, 1968
                                                                                                           Genus # Titanophilus - Chamberlin, 1915
                                                                                                           Genus # Trematorya - Brölemann, 1909
                                                                                   Family # Schendylidae - Cook, 1896
                                                                                                           Genus # Afrotaenia - Chamberlin, 1951
                                                                                                           Genus # Algunguis - Chamberlin, 1950
                                                                                                           Genus # Apunguis - Chamberlin, 1947
                                                                                                           Genus # Australoschendyla - Jones, 1996
                                                                                                           Genus # Ballophilus - Cook, 1896
                                                                                                           Genus # Bimindyla - Chamberlin, 1952
                                                                                                           Genus # Caritohallex - Crabill, 1960
                                                                                                           Genus # Cerethmus - Chamberlin, 1941
                                                                                                           Genus # Clavophilus - Chamberlin, 1950
                                                                                                           Genus # Ctenophilus - Cook, 1896
                                                                                                           Genus # Cymochilus - Chamberlin, 1947
                                                                                                           Genus # Dinogeophilus - Silvestri, 1909
                                                                                                           Genus # Diplethmus - Cook, 1899
                                                                                                           Genus # Escaryus - Cook and Collins, 1891
                                                                                                           Genus # Espagnella - Attems, 1952
                                                                                                           Genus # Falcaryus - Shinohara, 1970
                                                                                                           Genus # Gosendyla - Chamberlin, 1960
                                                                                                           Genus # Haploschendyla - Verhoeff, 1900
                                                                                                           Genus # Holitys - Cook, 1899
                                                                                                           Genus # Hydroschendyla - Brölemann and Ribaut, 1911
                                                                                                           Genus # Ityphilus - Cook, 1899
                                                                                                           Genus # Koinethmus - Chamberlin, 1958
                                                                                                           Genus # Leptoschendyla - Attems, 1953
                                                                                                           Genus # Leucolinum - Chamberlin, 1945
                                                                                                           Genus # Marsikomerus - Attems, 1938
                                                                                                           Genus # Mesoschendyla - Attems, 1909
                                                                                                           Genus # Mexiconyx - Chamberlin, 1922
                                                                                                           Genus # Momophilus - Takakuwa, 1937
                                                                                                           Genus # Morunguis - Chamberlin, 1943
                                                                                                           Genus # Nannophilus - Cook, 1896
                                                                                                           Genus # Nannopodellus - Chamberlin, 1924
                                                                                                           Genus # Nesonyx - Chamberlin, 1923
                                                                                                           Genus # Nyctunguis - Chamberlin, 1914
                                                                                                           Genus # Orygmadyla - Hoffman and Pereira, 1997
                                                                                                           Genus # Parunguis - Chamberlin, 1941
                                                                                                           Genus # Pectiniunguis - Bollman, 1889
                                                                                                           Genus # Plesioschendyla - Ribaut, 1923
                                                                                                           Genus # Schendyla - Bergsoe and Meinert, 1866
                                                                                                           Genus # Schendylellus - Chamberlin, 1920
                                                                                                           Genus # Schendylops - Cook, 1899
                                                                                                           Genus # Serrunguis - Chamberlin, 1941
                                                                                                           Genus # Sogodes - Chamberlin, 1921
                                                                                                           Genus # Sogolabis - Chamberlin, 1920
                                                                                                           Genus # Taeniolinum - Pocock, 1893
                                                                                                           Genus # Tanophilus - Chamberlin, 1921
                                                                                                           Genus # Thindyla - Chamberlin, 1955
                                                                                                           Genus # Zygethmus - Chamberlin, 1957
                                                                 Suborder # Placodesmata -  
                                                                                   Family # Mecistocephalidae - Bollman, 1893
                                                                                         Subfamily # Arrupinae - Chamberlin, 1912
                                                                                                           Genus # Agnostrup - Foddai, Bonato, Pereira and Minelli, 2003
                                                                                                           Genus # Arrup - Chamberlin, 1912
                                                                                                           Genus # Nannarrup - Foddai, Bonato, Pereira and Minelli, 2003
                                                                                                           Genus # Partygarrupius - Verhoeff, 1939
                                                                                         Subfamily # Dicellophilinae - Cook, 1896
                                                                                                           Genus # Anarrup - Chamberlin, 1920
                                                                                                           Genus # Dicellophilus - Cook, 1896
                                                                                                           Genus # Proterotaiwanella - Bonato, Foddai and Minelli, 2002
                                                                                         Subfamily # Mecistocephalinae - Bollman, 1893
                                                                                                           Genus # Krateraspis - Lignau, 1929
                                                                                                           Genus # Mecistocephalus - Newport, 1843
                                                                                                           Genus # Takashimaia - Miyosi, 1955
                                                                                                           Genus # Tygarrup - Chamberlin, 1914
                                                           Order # Lithobiomorpha -  
                                                                                   Family # Henicopidae - Pocock, 1901
                                                                                         Subfamily # Anopsobiinae - Verhoeff, 1907
                                                                                                           Genus # Anopsobiella - Attems, 1938
                                                                                                           Genus # Anopsobius - Silvestri, 1899
                                                                                                           Genus # Buethobius - Chamberlin, 1911
                                                                                                           Genus # Catanopsobius - Silvestri, 1909
                                                                                                           Genus # Dichelobius - Attems, 1911
                                                                                                           Genus # Dzhungaria - Farzalieva, Zalesskaja and Edgecombe, 2004
                                                                                                           Genus # Ghilaroviella - Zalesskaja, 1975
                                                                                                           Genus # Hedinobius - Verhoeff, 1934
                                                                                                           Genus # Rhodobius - Silvestri, 1933
                                                                                                           Genus # Shikokuobius - Shinohara, 1982
                                                                                                           Genus # Speleopsobius - Shear, 2018
                                                                                                           Genus # Yobius - Chamberlin, 1945
                                                                                         Subfamily # Henicopinae - Pocock, 1901
                                                                                               Tribe # Henicopini - Pocock, 1901
                                                                                                           Genus # Analamyctes - Chamberlin, 1955
                                                                                                           Genus # Easonobius - Edgecombe, 2003
                                                                                                           Genus # Henicops - Newport, 1844
                                                                                                           Genus # Lamyctes - Meinert, 1868
                                                                                                           Genus # Lamyctopristus - Attems, 1928
                                                                                                           Genus # Paralamyctes - Pocock, 1901
                                                                                                           Genus # Pleotarsobius - Attems, 1909
                                                                                               Tribe # Zygethobiini - Chamberlin, 1912
                                                                                                           Genus # Cermatobius - Haase, 1885
                                                                                                           Genus # Zygethobius - Chamberlin, 1903
                                                                                   Family # Lithobiidae - Newport, 1844
                                                                                                           Genus # Alaskobius - Chamberlin, 1946
                                                                                                           Genus # Anodonthobius - Matic, 1983
                                                                                                           Genus # Archethopolys - Chamberlin, 1925
                                                                                                           Genus # Arebius - Chamberlin, 1916
                                                                                                           Genus # Arenobius - Chamberlin, 1912
                                                                                                           Genus # Arkansobius - Chamberlin, 1938
                                                                                                           Genus # Atethobius - Chamberlin, 1915
                                                                                                           Genus # Australobius - Chamberlin, 1920
                                                                                                           Genus # Banobius - Chamberlin, 1938
                                                                                                           Genus # Bothropolys - Wood, 1862
                                                                                                           Genus # Calcibius - Chamberlin and Wang, 1952
                                                                                                           Genus # Cerrobius - Chamberlin, 1942
                                                                                                           Genus # Cruzobius - Chamberlin, 1942
                                                                                                           Genus # Dakrobius - Zalesskaja, 1975
                                                                                                           Genus # Delobius - Chamberlin, 1915
                                                                                                           Genus # Disphaerobius - Attems, 1926
                                                                                                           Genus # Elattobius - Chamberlin, 1941
                                                                                                           Genus # Enarthrobius - Chamberlin, 1926
                                                                                                           Genus # Escimobius - Chamberlin, 1949
                                                                                                           Genus # Ethopolys - Chamberlin, 1912
                                                                                                           Genus # Eupolybothrus - Verhoeff, 1907
                                                                                                           Genus # Friobius - Chamberlin, 1943
                                                                                                           Genus # Gallitobius - Chamberlin, 1933
                                                                                                           Genus # Garcibius - Chamberlin, 1942
                                                                                                           Genus # Garibius - Chamberlin, 1913
                                                                                                           Genus # Georgibius - Chamberlin, 1944
                                                                                                           Genus # Gonibius - Chamberlin, 1925
                                                                                                           Genus # Gosibius - Chamberlin, 1912
                                                                                                           Genus # Guambius - Chamberlin, 1912
                                                                                                           Genus # Guerrobius - Chamberlin, 1942
                                                                                                           Genus # Harpolithobius - Verhoeff, 1904
                                                                                                           Genus # Helembius - Chamberlin, 1918
                                                                                                           Genus # Hessebius - Verhoeff, 1941
                                                                                                           Genus # Juanobius - Chamberlin, 1928
                                                                                                           Genus # Kiberbius - Chamberlin, 1916
                                                                                                           Genus # Labrobius - Chamberlin, 1915
                                                                                                           Genus # Liobius - Chamberlin and Mulaik, 1940
                                                                                                           Genus # Lithobius - Leach, 1814
                                                                                                           Genus # Llanobius - Chamberlin and Mulaik, 1940
                                                                                                           Genus # Lobochaetotarsus - Verhoeff, 1934
                                                                                                           Genus # Malbius - Chamberlin, 1943
                                                                                                           Genus # Mayobius - Chamberlin, 1943
                                                                                                           Genus # Metalithobius - Chamberlin, 1910
                                                                                                           Genus # Mexicobius - Chamberlin, 1915
                                                                                                           Genus # Mexicotarsus - Verhoeff, 1934
                                                                                                           Genus # Nadabius - Chamberlin, 1913
                                                                                                           Genus # Nampabius - Chamberlin, 1913
                                                                                                           Genus # Neolithobius - Stuxberg, 1875
                                                                                                           Genus # Nothembius - Chamberlin, 1916
                                                                                                           Genus # Nuevobius - Chamberlin, 1941
                                                                                                           Genus # Oabius - Chamberlin, 1913
                                                                                                           Genus # Ottobius - Chamberlin, 1952
                                                                                                           Genus # Paitobius - Chamberlin, 1912
                                                                                                           Genus # Pampibius - Chamberlin, 1922
                                                                                                           Genus # Paobius - Chamberlin, 1916
                                                                                                           Genus # Pholobius - Chamberlin, 1940
                                                                                                           Genus # Planobius - Chamberlin and Wang, 1952
                                                                                                           Genus # Pleurolithobius - Verhoeff, 1899
                                                                                                           Genus # Pokabius - Chamberlin, 1912
                                                                                                           Genus # Pseudolithobius - Stuxberg, 1875
                                                                                                           Genus # Schizotergitius - Verhoeff, 1930
                                                                                                           Genus # Serrobius - Causey, 1942
                                                                                                           Genus # Shosobius - Chamberlin and Wang, 1952
                                                                                                           Genus # Simobius - Chamberlin, 1922
                                                                                                           Genus # Sonibius - Chamberlin, 1912
                                                                                                           Genus # Sotimpius - Chamberlin, 1912
                                                                                                           Genus # Sozibius - Chamberlin, 1912
                                                                                                           Genus # Taiyubius - Chamberlin, 1912
                                                                                                           Genus # Texobius - Chamberlin and Mulaik, 1940
                                                                                                           Genus # Tidabius - Chamberlin, 1913
                                                                                                           Genus # Tigobius - Chamberlin, 1916
                                                                                                           Genus # Tropobius - Chamberlin, 1943
                                                                                                           Genus # Typhlobius - Chamberlin, 1922
                                                                                                           Genus # Uncobius - Chamberlin, 1943
                                                                                                           Genus # Validifemur - Ma, Son and Zhu, 2007
                                                                                                           Genus # Vulcanbius - Chamberlin, 1944
                                                                                                           Genus # Watobius - Chamberlin, 1911
                                                                                                           Genus # Zinapolys - Chamberlin, 1912
                                                                                                           Genus # Zygethopolys - Chamberlin, 1925
                                                           Order # Scolopendromorpha -  
                                                                                   Family # Cryptopidae - Kohlrausch, 1881
                                                                                                           Genus # Cryptops - Leach, 1814
                                                                                                           Genus # Paracryptops - Pocock, 1891
                                                                                   Family # Mimopidae - Lewis, 2006
                                                                                                           Genus # Mimops - Kraepelin, 1903
                                                                                   Family # Plutoniumidae - Bollman, 1893
                                                                                                           Genus # Plutonium - Cavanna, 1881
                                                                                                           Genus # Theatops - Newport, 1844
                                                                                   Family # Scolopendridae - Leach, 1814
                                                                                         Subfamily # Otostigminae - Kraepelin, 1903
                                                                                                           Genus # Alipes - Imhoff, 1854
                                                                                                           Genus # Alluropus - Silvestri, 1911
                                                                                                           Genus # Digitipes - Attems, 1930
                                                                                                           Genus # Edentistoma - Tömösväry, 1882
                                                                                                           Genus # Ethmostigmus - Pocock, 1898
                                                                                                           Genus # Otostigmus - Porat, 1876
                                                                                                           Genus # Rhysida - Wood, 1862
                                                                                                           Genus # Sterropristes - Attems, 1934
                                                                                         Subfamily # Scolopendrinae - Leach, 1814
                                                                                                           Genus # Akymnopellis - Shelley, 2008
                                                                                                           Genus # Arthrorhabdus - Pocock, 1891
                                                                                                           Genus # Asanada - Meinert, 1886
                                                                                                           Genus # Asanadopsis - Würmli, 1972
                                                                                                           Genus # Campylostigmus - Ribaut, 1923
                                                                                                           Genus # Cormocephalus - Newport, 1844
                                                                                                           Genus # Hemiscolopendra - Kraepelin, 1903
                                                                                                           Genus # Notiasemus - L. E. Koch, 1985
                                                                                                           Genus # Psiloscolopendra - Kraepelin, 1903
                                                                                                           Genus # Rhoda - Meinert, 1886
                                                                                                           Genus # Scolopendra - Linnaeus, 1758
                                                                                                           Genus # Scolopendropsis - Brandt, 1841
                                                                                                           Genus # Tonkinodentus - Schileyko, 1992
                                                                                   Family # Scolopocryptopidae - Pocock, 1896
                                                                                         Subfamily # Kethopinae - Shelley, 2002
                                                                                                           Genus # Kethops - Chamberlin, 1912
                                                                                                           Genus # Thalkethops - Crabill, 1960
                                                                                         Subfamily # Newportiinae - Pocock, 1896
                                                                                                           Genus # Newportia - Gervais, 1847
                                                                                         Subfamily # Scolopocryptopinae - Pocock, 1896
                                                                                                           Genus # Scolopocryptops - Newport, 1844
                                   Class # Diplopoda -  
                                         Subclass # Helminthomorpha -  
                                                           Order # Callipodida - Bollman, 1893
                                                                                   Family # Abacionidae - Shelley, 1979
                                                                                               Tribe # Abacionini - Shelley, 1979
                                                                                                           Genus # Abacion - Rafinesque, 1820
                                                                                                           Genus # Tetracion - Hoffman, 1956
                                                                                               Tribe # Delophonini - Shelley, 1979
                                                                                                           Genus # Delophon - Chamberlin, 1943
                                                                                   Family # Schizopetalidae - Verhoeff, 1909
                                                                                               Tribe # Texophonini - Shelley, 1989
                                                                                                           Genus # Texophon - Chamberlin, 1946
                                                                                         Subfamily # Tynommatinae - Hoffman, 1980
                                                                                               Tribe # Colactidini - Hoffman, 1980
                                                                                                           Genus # Colactis - Loomis, 1937
                                                                                                           Genus # Colactoides - Shelley, 1997
                                                                                                           Genus # Heptium - Loomis, 1937
                                                                                               Tribe # Diactidini - Shelley, 1996
                                                                                                           Genus # Caliactis - Shelley, 1996
                                                                                                           Genus # Diactis - Loomis, 1937
                                                                                                           Genus # Florea - Shelley, 1996
                                                                                               Tribe # Tynommatini - Shelley, 1996
                                                                                                           Genus # Idrionaria - Shelley, 1996
                                                                                                           Genus # Tynomma - Loomis, 1937
                                                           Order # Chordeumatida - Koch, 1847
                                                                 Suborder # Chordeumatidea - Koch, 1847
                                                                             Superfamily # Brannerioidea - Cook, 1896
                                                                                   Family # Apterouridae - Loomis, 1966
                                                                                                           Genus # Apterourus - Loomis, 1966
                                                                                   Family # Branneriidae - Cook, 1896
                                                                                                           Genus # Branneria - Bollman, 1893
                                                                                   Family # Caseyidae - Verhoeff, 1909
                                                                                                           Genus # Caseya - Cook & Collins, 1895
                                                                                                           Genus # Metopiona - Gardner & Shelley, 1989
                                                                                                           Genus # Ochrogramma - Gardner & Shelley, 1989
                                                                                                           Genus # Opiona - Chamberlin, 1951
                                                                                                           Genus # Speoseya - Causey, 1954
                                                                                                           Genus # Underwoodia - Cook & Collins, 1895
                                                                                                           Genus # Vasingtona - Chamberlin, 1941
                                                                                   Family # Rhiscosomididae - Silvestri, 1909
                                                                                                           Genus # Rhiscosomides - Silvestri, 1909
                                                                                   Family # Tingupidae - Loomis, 1966
                                                                                                           Genus # Blancosoma - Shear & Hubbard, 1998
                                                                                                           Genus # Buotus - Chamberlin, 1940
                                                                                                           Genus # Tingupa - Chamberlin, 1910
                                                                                   Family # Urochordeumatidae - Silvestri, 1909
                                                                                                           Genus # Urochordeuma - Silvestri, 1913
                                                                             Superfamily # Cleidogonoidea - Cook, 1896
                                                                                   Family # Cleidogonidae - Cook, 1896
                                                                                                           Genus # Cabraca - Shear, 1982
                                                                                                           Genus # Cleidogona - Cook, 1895
                                                                                                           Genus # Dybasia - Loomis, 1964
                                                                                                           Genus # Pseudotremia - Cope, 1869
                                                                                                           Genus # Solaenogona - Hoffman, 1950
                                                                                                           Genus # Tiganogona - Chamberlin, 1928
                                                                                   Family # Trichopetalidae - Verhoeff, 1914
                                                                                                           Genus # Mexiterpes - Causey, 1963
                                                                                                           Genus # Scoterpes - Cope, 1872
                                                                                                           Genus # Trichopetalum - Harger, 1872
                                                                                                           Genus # Trigenotyla - Causey, 1951
                                                                             Superfamily # Craspedosomatoidea - Brolemann, 1935
                                                                                   Family # Craspedosomatidae - Gray, 1843
                                                                                                           Genus # Craspedosoma - Leach, 1814
                                                                             Superfamily # Heterochordeumatoidea - Pocock, 1894
                                                                                   Family # Adritylidae - Shear, 1971
                                                                                                           Genus # Adrityla - Causey, 1961
                                                                                   Family # Conotylidae - Cook, 1896
                                                                                         Subfamily # Austrotylinae - Shear, 1976
                                                                                                           Genus # Achemenides - Shear, 1971
                                                                                                           Genus # Austrotyla - Causey, 1961
                                                                                                           Genus # Corypus - Loomis & Schmitt, 1971
                                                                                         Subfamily # Conotylinae - Cook, 1896
                                                                                                           Genus # Bollmanella - Chamberlin, 1941
                                                                                                           Genus # Brunsonia - Loomis & Schmitt, 1971
                                                                                                           Genus # Conotyla - Cook & Collins, 1895
                                                                                                           Genus # Plumatyla - Shear, 1972
                                                                                                           Genus # Taiyutyla - Chamberlin, 1952
                                                                                         Subfamily # Idagoninae - Buckett & Gardner, 1967
                                                                                                           Genus # Idagona - Buckett & Gardner, 1967
                                                                                         Subfamily # Lophominae - Loomis & Schmitt, 1971
                                                                                                           Genus # Lophomus - Loomis & Schmitt, 1971
                                                                                         Subfamily # Macromastinae - Loomis & Schmitt, 1971
                                                                                                           Genus # Macromastus - Loomis & Schmitt, 1971
                                                                 Suborder # Striariidea - Cook, 1898
                                                                                   Family # Striariidae - Bollman, 1893
                                                                                                           Genus # Speostriaria - Causey, 1960
                                                                                                           Genus # Striaria - Bollman, 1888
                                                                                                           Genus # Vaferia - Causey, 1958
                                                           Order # Julida -  
                                                                             Superfamily # Blaniuloidea - Koch, 1847
                                                                                   Family # Blaniulidae - Koch, 1847
                                                                                         Subfamily # Blaniulinae - Koch, 1847
                                                                                                           Genus # Archiboreoiulus - Brolemann, 1921
                                                                                                           Genus # Blaniulus - Gervais, 1836
                                                                                                           Genus # Proteroiulus - Silvestri, 1897
                                                                                         Subfamily # Choneiulinae - Brolemann, 1921
                                                                                                           Genus # Choneiulus - Brolemann, 1921
                                                                                         Subfamily # Nopoiulinae - Verhoeff, 1911
                                                                                                           Genus # Nopoiulus - Menge, 1851
                                                                                                           Genus # Virgoiulus - Enghoff, 1984
                                                                                   Family # Okeanobatidae - Verhoeff, 1942
                                                                                                           Genus # Okeanobates - Verhoeff, 1939
                                                                                   Family # Zosteractinidae - Loomis, 1943
                                                                                                           Genus # Ameractis - Causey, 1959
                                                                                                           Genus # Zosteractis - Loomis, 1943
                                                                             Superfamily # Nemasomatoidea -  
                                                                                   Family # Chelojulidae - Enghoff, 1991
                                                                                                           Genus # Chelojulus - Enghoff, 1982
                                                                                   Family # Nemasomatidae - Bollman, 1893
                                                                                                           Genus # Orinisobates - Lohmander, 1932
                                                                                                           Genus # Thalassisobates - Verhoeff, 1908
                                                                                   Family # Telsonemasomatidae - Enghoff, 1991
                                                                                                           Genus # Telsonemasoma - Enghoff, 1979
                                                                             Superfamily # Paeromopodoidea - Cook, 1895
                                                                                   Family # Aprosphylosomatidae - Hoffman, 1961
                                                                                                           Genus # Aprosphylosoma - Hoffman, 1961
                                                                                   Family # Julidae - Leach, 1814
                                                                                                           Genus # Allajulus - Koch, 1847
                                                                                                           Genus # Brachyiulus - Berlese, 1884
                                                                                                           Genus # Cylindroiulus - Verhoeff, 1894
                                                                                                           Genus # Julus - Linnaeus, 1758
                                                                                                           Genus # Ophyiulus - Berlese, 1884
                                                                                   Family # Paeromopodidae - Cook, 1895
                                                                                                           Genus # Californiulus - Verhoeff, 1938
                                                                                                           Genus # Paeromopus - Karsch, 1881
                                                                                   Family # Parajulidae - Bollman, 1893
                                                                                                           Genus # Aliulus - Causey, 1950
                                                                                                           Genus # Aniulus - Chamberlin, 1940
                                                                                                           Genus # Apacheiulus - Loomis, 1968
                                                                                                           Genus # Arvechambus - Causey, 1963
                                                                                                           Genus # Bollmaniulus - Verhoeff, 1926
                                                                                                           Genus # Codiulus - Chamberlin, 1940
                                                                                                           Genus # Ethojulus - Chamberlin, 1918
                                                                                                           Genus # Georgiulus - Hoffman, 1992
                                                                                                           Genus # Gosiulus - Chamberlin, 1940
                                                                                                           Genus # Gyniulus - Loomis, 1963
                                                                                                           Genus # Hakiulus - Chamberlin, 1940
                                                                                                           Genus # Litiulus - Chamberlin, 1940
                                                                                                           Genus # Mexicoiulus - Verhoeff, 1926
                                                                                                           Genus # Mulaikiulus - Chamberlin, 1941
                                                                                                           Genus # Okliulus - Causey, 1950
                                                                                                           Genus # Oriulus - Chamberlin, 1940
                                                                                                           Genus # Parajulus - Humbert & DeSaussure, 1869
                                                                                                           Genus # Pheniulus - Chamberlin, 1943
                                                                                                           Genus # Pseudojulus - Bollman, 1887
                                                                                                           Genus # Ptyoiulus - Cook, 1895
                                                                                                           Genus # Saiulus - Chamberlin, 1940
                                                                                                           Genus # Simiulus - Chamberlin, 1940
                                                                                                           Genus # Sophiulus - Chamberlin, 1940
                                                                                                           Genus # Spathiulus - Chamberlin, 1940
                                                                                                           Genus # Teniulus - Chamberlin, 1951
                                                                                                           Genus # Thriniulus - Chamberlin, 1940
                                                                                                           Genus # Tuniulus - Chamberlin, 1940
                                                                                                           Genus # Uroblaniulus - Attems, 1901
                                                           Order # Platydesmida - DeSaussure, 1860
                                                                                   Family # Andrognathidae - Cope, 1869
                                                                                                           Genus # Andrognathus - Cope, 1869
                                                                                                           Genus # Brachycybe - Wood, 1864
                                                                                                           Genus # Gosodesmus - Chamberlin, 1922
                                                                                                           Genus # Ischnocybe - Cook & Loomis, 1928
                                                                                                           Genus # Mitocybe - Cook & Loomis, 1928
                                                                                   Family # Platydesmidae - DeSaussure, 1860
                                                                                                           Genus # Desmethus - Chamberlin, 1922
                                                                                                           Genus # Platydesmus - Lucas, 1843
                                                           Order # Polydesmida -  
                                                                 Suborder # Chelodesmidea - Cook, 1895
                                                                                   Family # Aphelidesmidae - Brolemann, 1916
                                                                                         Subfamily # Amplininae - Hoffman, 1954
                                                                                                           Genus # Amplinus - Attems, 1898
                                                                                                           Genus # Exallostethus - Hoffman, 1975
                                                                                                           Genus # Polylepiscus - Pocock, 1909
                                                                                                           Genus # Seminellogon - Chamberlin, 1933
                                                                                         Subfamily # Aphelidesminae - Brolemann, 1916
                                                                                                           Genus # Aphelidesmus - Brolemann, 1898
                                                                                   Family # Chelodesmidae - Cook, 1895
                                                                                                           Genus # Achromoporus - Loomis, 1936
                                                                                                           Genus # Amphelictogon - Chamberlin, 1918
                                                                                                           Genus # Antillodesmus - Chamberlin, 1918
                                                                                                           Genus # Antrogonodesmus - Hoffman, 1959
                                                                                                           Genus # Beatadesmus - Loomis, 1934
                                                                                                           Genus # Biaporus - Loomis, 1941
                                                                                                           Genus # Chondrotropis - Loomis, 1936
                                                                                                           Genus # Craterodesmus - Loomis, 1941
                                                                                                           Genus # Cubodesmus - Chamberlin, 1918
                                                                                                           Genus # Cylindromus - Loomis, 1977
                                                                                                           Genus # Cyrtaphe - Loomis, 1936
                                                                                                           Genus # Ellipodesmus - Chamberlin, 1918
                                                                                                           Genus # Eutyporhachis - Pocock, 1909
                                                                                                           Genus # Hypselodesmus - Loomis, 1941
                                                                                                           Genus # Lasiomazus - Loomis, 1941
                                                                                                           Genus # Leiomodesmus - Loomis, 1938
                                                                                                           Genus # Podiscodesmus - Loomis, 1941
                                                                                                           Genus # Pterygiodesmus - Loomis, 1936
                                                                                                           Genus # Quisquicia - Loomis, 1936
                                                                                                           Genus # Schistides - Chamberlin, 1922
                                                                                                           Genus # Tomodesmus - Chamberlin, 1918
                                                                                         Subfamily # Chelodesminae - Cook, 1895
                                                                                               Tribe # Batodesmini - Cook, 1896
                                                                                                           Genus # Alocodesmus - Silvestri, 1896
                                                                                                           Genus # Cheirogonus - Hoffman, 1982
                                                                                               Tribe # Caraibodesmini - Hoffman, 1979
                                                                                                           Genus # Caraibodesmus - Chamberlin, 1918
                                                                                                           Genus # Platyurodesmus - Loomis, 1977
                                                                                               Tribe # Chondrodesmini - Hoffman, 1978
                                                                                                           Genus # Chondrodesmus - Silvestri, 1897
                                                                                               Tribe # Lepturodesmini - Hoffman, 1975
                                                                                                           Genus # Granmadesmus - Pérez-Asso, 1996
                                                                                                           Genus # Plicatodesmus - Pérez-Asso, 1995
                                                                                                           Genus # Rhaphandra - Loomis, 1966
                                                                                                           Genus # Ricodesmus - Chamberlin, 1922
                                                                                                           Genus # Solaenorhabdus - Hoffman, 1950
                                                                                                           Genus # Synecheporus - Loomis, 1941
                                                                                               Tribe # Trichomorphini - Hoffman, 1979
                                                                                                           Genus # Allarithmus - Attems, 1933
                                                                                                           Genus # Loomisiola - Hoffman, 1979
                                                                                                           Genus # Phylactophallus - Pocock, 1909
                                                                                                           Genus # Talamancia - Loomis, 1974
                                                                                                           Genus # Trichomorpha - Silvestri, 1897
                                                                                   Family # Eurymerodesmidae - Causey, 1951
                                                                                                           Genus # Eurymerodesmus - Brolemann, 1900
                                                                                   Family # Euryuridae - Pocock, 1909
                                                                                                           Genus # Auturus - Chamberlin, 1942
                                                                                                           Genus # Euryurus - Koch, 1847
                                                                                                           Genus # Illiniurus - Shear, 1968
                                                                                   Family # Holistophallidae - Silvestri, 1909
                                                                                                           Genus # Duoporus - Cook, 1901
                                                                                                           Genus # Elcarmenia - Kraus, 1954
                                                                                                           Genus # Holistophallus - Silvestri, 1909
                                                                                                           Genus # Pammicrophallus - Pocock, 1909
                                                                                                           Genus # Synthodesmus - Chamberlin, 1922
                                                                                                           Genus # Tunodesmus - Chamberlin, 1922
                                                                                                           Genus # Zeuctodesmus - Pocock, 1909
                                                                                   Family # Platyrhacidae - Pocock, 1895
                                                                                                           Genus # Nanorrhacus - Cook, 1896
                                                                                               Tribe # Barydesmini - Hoffman, 1979
                                                                                                           Genus # Barydesmus - Cook, 1896
                                                                                                           Genus # Nyssodesmus - Cook, 1896
                                                                                                           Genus # Tirodesmus - Cook, 1896
                                                                                               Tribe # Psammodesmini - Hoffman, 1960
                                                                                                           Genus # Proaspis - Loomis, 1941
                                                                                                           Genus # Psammodesmus - Cook, 1896
                                                                                   Family # Rhachodesmidae - Carl, 1903
                                                                                                           Genus # Aceratophallus - Carl, 1902
                                                                                                           Genus # Acutangulus - Attems, 1898
                                                                                                           Genus # Ceuthauxus - Chamberlin, 1942
                                                                                                           Genus # Chromodesmus - Loomis, 1976
                                                                                                           Genus # Curodesmus - Chamberlin, 1922
                                                                                                           Genus # Diuncustoma - Shelley, 1997
                                                                                                           Genus # Metaphallus - Chamberlin, 1952
                                                                                                           Genus # Mexidesmus - Loomis, 1976
                                                                                                           Genus # Neoleptodesmus - Carl, 1903
                                                                                                           Genus # Pararhachistes - Pocock, 1909
                                                                                                           Genus # Rhachidomorpha - DeSaussure, 1860
                                                                                                           Genus # Rhachodesmus - Cook, 1895
                                                                                                           Genus # Strongylodesmus - DeSaussure, 1859
                                                                                                           Genus # Tancitares - Chamberlin, 1942
                                                                                                           Genus # Teinorhachis - Loomis, 1961
                                                                                                           Genus # Unculabes - Causey, 1971
                                                                                   Family # Sphaeriodesmidae - Humbert & DeSaussure, 1869
                                                                                         Subfamily # Bonetesminae - Hoffman, 1980
                                                                                                           Genus # Bonetesmus - Chamberlin, 1942
                                                                                         Subfamily # Desmoninae - Cook, 1898
                                                                                                           Genus # Cyphodesmus - Peters, 1864
                                                                                                           Genus # Desmonus - Cook, 1898
                                                                                                           Genus # Hybocestus - Hoffman, 1959
                                                                                                           Genus # Taphrodesmus - Silvestri, 1910
                                                                                         Subfamily # Sphaeriodesminae - Humbert & DeSaussure, 1869
                                                                                                           Genus # Colobodesmus - Brolemann, 1905
                                                                                                           Genus # Cyclodesmus - Humbert & DeSaussure, 1869
                                                                                                           Genus # Cylionus - Cook, 1898
                                                                                                           Genus # Eusphaeriodesmus - Brolemann, 1916
                                                                                                           Genus # Haplocyclodesmus - Attems, 1940
                                                                                                           Genus # Ischnosphaeriodesmus - Brolemann, 1916
                                                                                                           Genus # Lophocyclus - Loomis, 1936
                                                                                                           Genus # Proeilodesmus - Hoffman, 1990
                                                                                                           Genus # Sphaeriodesmus - Peters, 1864
                                                                                   Family # Tridontomidae - Loomis & Hoffman, 1962
                                                                                                           Genus # Aenigmopus - Loomis & Hoffman, 1962
                                                                                                           Genus # Tridontomus - Loomis & Hoffman, 1962
                                                                                   Family # Xystodesmidae - Cook, 1895
                                                                                               Tribe # Aphelorini - Hoffman, 1980
                                                                                                           Genus # Apheloria - Chamberlin, 1921
                                                                                                           Genus # Brachoria - Chamberlin, 1939
                                                                                                           Genus # Brevigonus - Shelley, 1980
                                                                                                           Genus # Cheiropus - Loomis, 1944
                                                                                                           Genus # Cleptoria - Chamberlin, 1939
                                                                                                           Genus # Croatania - Shelley, 1977
                                                                                                           Genus # Deltotaria - Causey, 1942
                                                                                                           Genus # Dixioria - Chamberlin, 1947
                                                                                                           Genus # Dynoria - Chamberlin, 1939
                                                                                                           Genus # Falloria - Hoffman, 1948
                                                                                                           Genus # Furcillaria - Shelley, 1981
                                                                                                           Genus # Lyrranea - Hoffman, 1963
                                                                                                           Genus # Prionogonus - Shelley, 1982
                                                                                                           Genus # Rudiloria - Causey, 1955
                                                                                                           Genus # Sigmoria - Chamberlin, 1939
                                                                                                           Genus # Stelgipus - Loomis, 1944
                                                                                               Tribe # Chonaphini - Verhoeff, 1941
                                                                                                           Genus # Chonaphe - Cook, 1904
                                                                                                           Genus # Metaxycheir - Buckett & Gardner, 1969
                                                                                                           Genus # Montaphe - Chamberlin, 1949
                                                                                                           Genus # Selenocheir - Shelley, 1994
                                                                                                           Genus # Semionellus - Chamberlin, 1920
                                                                                                           Genus # Tubaphe - Causey, 1954
                                                                                               Tribe # Harpaphini - Hoffman, 1980
                                                                                                           Genus # Harpaphe - Cook, 1904
                                                                                                           Genus # Isaphe - Cook, 1904
                                                                                               Tribe # Nannarini - Hoffman, 1964
                                                                                                           Genus # Nannaria - Chamberlin, 1918
                                                                                                           Genus # Oenomaea - Hoffman, 1964
                                                                                               Tribe # Orophini - Hoffman, 1964
                                                                                                           Genus # Orophe - Chamberlin, 1951
                                                                                               Tribe # Pachydesmini - Hoffman, 1980
                                                                                                           Genus # Dicellarius - Chamberlin, 1920
                                                                                                           Genus # Pachydesmus - Cook, 1895
                                                                                                           Genus # Thrinaxoria - Chamberlin & Hoffman, 1950
                                                                                               Tribe # Rhysodesmini - Brolemann, 1916
                                                                                                           Genus # Boraria - Chamberlin, 1943
                                                                                                           Genus # Caralinda - Hoffman, 1978
                                                                                                           Genus # Cherokia - Chamberlin, 1949
                                                                                                           Genus # Erdelyia - Hoffman, 1962
                                                                                                           Genus # Gonoessa - Shelley, 1984
                                                                                                           Genus # Gyalostethus - Hoffman, 1965
                                                                                                           Genus # Lourdesia - Shelley, 1991
                                                                                                           Genus # Parvulodesmus - Shelley, 1983
                                                                                                           Genus # Pleuroloma - Rafinesque, 1820
                                                                                                           Genus # Rhysodesmus - Cook, 1895
                                                                                                           Genus # Stenodesmus - DeSaussure, 1859
                                                                                               Tribe # Sigmocheirini - Causey, 1955
                                                                                                           Genus # Ochthocelata - Shelley, 1995
                                                                                                           Genus # Sigmocheir - Chamberlin, 1951
                                                                                               Tribe # Xystocheirini - Cook, 1904
                                                                                                           Genus # Anombrocheir - Buckett & Gardner, 1969
                                                                                                           Genus # Motyxia - Chamberlin, 1941
                                                                                                           Genus # Parcipromus - Shelley, 1995
                                                                                                           Genus # Wamokia - Chamberlin, 1941
                                                                                                           Genus # Xystocheir - Cook, 1904
                                                                 Suborder # Paradoxosomatidea - Daday, 1889
                                                                                   Family # Paradoxosomatidae - Daday, 1889
                                                                                               Tribe # Australiosomini - Brolemann, 1916
                                                                                                           Genus # Akamptogonus - Attems, 1914
                                                                                               Tribe # Catharosomatini - Brolemann, 1929
                                                                                                           Genus # Mestosoma - Silvestri, 1897
                                                                                               Tribe # Orthomorphini - Brolemann, 1916
                                                                                                           Genus # Asiomorpha - Verhoeff, 1939
                                                                                               Tribe # Sulciferini - Attems, 1898
                                                                                                           Genus # Chondromorpha - Silvestri, 1897
                                                                                                           Genus # Oxidus - Cook, 1911
                                                                 Suborder # Polydesmidea - Leach, 1815
                                                                                   Family # Cryptodesmidae - Karsch, 1880
                                                                                                           Genus # Diaphanacme - Loomis, 1964
                                                                                                           Genus # Maderesmus - Chamberlin, 1943
                                                                                                           Genus # Peridontodesmus - Silvestri, 1896
                                                                                                           Genus # Pinesmus - Chamberlin, 1943
                                                                                                           Genus # Sierresmus - Chamberlin, 1943
                                                                                   Family # Cyrtodesmidae - Cook, 1896
                                                                                                           Genus # Cyrtodesmus - Gervais, 1847
                                                                                   Family # Dorsoporidae - Loomis, 1958
                                                                                                           Genus # Dorsoporus - Loomis, 1958
                                                                                   Family # Fuhrmannodesmidae - Brolemann, 1916
                                                                                                           Genus # Agenodesmus - Loomis, 1934
                                                                                                           Genus # Caramba - Shear, 1977
                                                                                                           Genus # Chilaphrodesmus - Loomis, 1934
                                                                                                           Genus # Chirripeckia - Hoffman, 1976
                                                                                                           Genus # Cyclopsodesmus - Loomis, 1964
                                                                                                           Genus # Cylindrogonus - Loomis, 1964
                                                                                                           Genus # Enantiogonus - Loomis, 1961
                                                                                                           Genus # Eutynellus - Chamberlin, 1940
                                                                                                           Genus # Harpagonopus - Loomis, 1960
                                                                                                           Genus # Hexadesmus - Loomis, 1933
                                                                                                           Genus # Irazunus - Attems, 1933
                                                                                                           Genus # Irogonus - Loomis, 1964
                                                                                                           Genus # Leiogonopus - Loomis, 1964
                                                                                                           Genus # Oodedesmus - Loomis, 1960
                                                                                                           Genus # Pachygonopus - Loomis, 1964
                                                                                                           Genus # Phreatodesmus - Loomis, 1960
                                                                                                           Genus # Pozodesmus - Shear, 1986
                                                                                                           Genus # Salvadoria - Kraus, 1954
                                                                                                           Genus # Sumidero - Shear, 1982
                                                                                                           Genus # Tichodesmus - Chamberlin, 1940
                                                                                                           Genus # Tylogoneus - Causey, 1973
                                                                                   Family # Haplodesmidae - Cook, 1895
                                                                                                           Genus # Cylindrodesmus - Pocock, 1889
                                                                                                           Genus # Hypsiloporus - Loomis, 1961
                                                                                                           Genus # Prosopodesmus - Silvestri, 1910
                                                                                   Family # Macrosternodesmidae - Brolemann, 1916
                                                                                                           Genus # Chaetaspis - Bollman, 1887
                                                                                                           Genus # Ophiodesmus - Cook, 1895
                                                                                   Family # Nearctodesmidae - Chamberlin & Hoffman, 1950
                                                                                                           Genus # Bistolodesmus - Shelley, 1994
                                                                                                           Genus # Ergodesmus - Chamberlin, 1949
                                                                                                           Genus # Kepolydesmus - Chamberlin, 1910
                                                                                                           Genus # Nearctodesmus - Silvestri, 1910
                                                                                                           Genus # Sakophallus - Chamberlin, 1942
                                                                                   Family # Oniscodesmidae - DeSaussure, 1860
                                                                                                           Genus # Barrodesmus - Chamberlin, 1940
                                                                                                           Genus # Ligiodesmus - Pocock, 1909
                                                                                                           Genus # Lignydesmus - Cook, 1896
                                                                                   Family # Polydesmidae - Leach, 1815
                                                                                                           Genus # Bidentogon - Buckett & Gardner, 1968
                                                                                                           Genus # Calianotus - Shelley, 1997
                                                                                                           Genus # Polydesmus - Latreille, 1802/1803
                                                                                                           Genus # Pseudopolydesmus - Attems, 1898
                                                                                                           Genus # Scytonotus - Koch, 1847
                                                                                                           Genus # Speodesmus - Loomis, 1939
                                                                                                           Genus # Utadesmus - Chamberlin & Hoffman, 1950
                                                                                   Family # Pyrgodesmidae - Silvestri, 1896
                                                                                                           Genus # Airocaulon - Loomis, 1964
                                                                                                           Genus # Aporodesminus - Silvestri, 1904
                                                                                                           Genus # Berlesedesmus - Loomis, 1975
                                                                                                           Genus # Botrydesmus - Loomis, 1934
                                                                                                           Genus # Calymmodesmus - Carl, 1914
                                                                                                           Genus # Calyptodesmus - Schubart, 1944
                                                                                                           Genus # Catapleuradesmus - Loomis, 1964
                                                                                                           Genus # Chytodesmus - Cook, 1896
                                                                                                           Genus # Coccoelasma - Loomis, 1936
                                                                                                           Genus # Cryptocorypha - Attems, 1907
                                                                                                           Genus # Cryptyma - Chamberlin, 1943
                                                                                                           Genus # Cynedesmus - Cook, 1895
                                                                                                           Genus # Cyphotylus - Loomis, 1936
                                                                                                           Genus # Darlingtoniella - Loomis, 1938
                                                                                                           Genus # Decaporodesmus - Kenyon, 1899
                                                                                                           Genus # Dicropus - Loomis, 1972
                                                                                                           Genus # Dilophops - Loomis, 1934
                                                                                                           Genus # Docodesmiella - Loomis, 1961
                                                                                                           Genus # Docodesmus - Cook, 1896
                                                                                                           Genus # Fennellia - Loomis, 1941
                                                                                                           Genus # Henicomus - Loomis, 1941
                                                                                                           Genus # Heteropente - Loomis, 1933
                                                                                                           Genus # Idiurodesmus - Silvestri, 1924
                                                                                                           Genus # Iomoides - Loomis, 1934
                                                                                                           Genus # Iomus - Cook, 1911
                                                                                                           Genus # Jeekelia - Loomis, 1941
                                                                                                           Genus # Kapyrodesmus - Attems, 1940
                                                                                                           Genus # Karukeromus - Mauriès, 1980
                                                                                                           Genus # Liomus - Chamberlin, 1950
                                                                                                           Genus # Lobodesmus - Loomis, 1936
                                                                                                           Genus # Lophodesmus - Pocock, 1894
                                                                                                           Genus # Myrmecodesmus - Silvestri, 1910
                                                                                                           Genus # Peckfiskia - Loomis, 1969
                                                                                                           Genus # Penteporus - Loomis, 1936
                                                                                                           Genus # Poratia - Cook & Cook, 1894
                                                                                                           Genus # Poratioides - Loomis, 1970
                                                                                                           Genus # Psochodesmus - Cook, 1896
                                                                                                           Genus # Rettenmeyeria - Loomis, 1959
                                                                                                           Genus # Sarolepis - Loomis, 1964
                                                                                                           Genus # Styraxodesmus - Chamberlin, 1918
                                                                                                           Genus # Synoptura - Attems, 1914
                                                                                                           Genus # Tracheloaspis - Loomis, 1961
                                                                                                           Genus # Tridesmus - Cook, 1896
                                                                                                           Genus # Xenoporus - Loomis, 1961
                                                           Order # Polyzoniida - Gervais, 1844
                                                                                   Family # Hirudisomatidae - Silvestri, 1896
                                                                                                           Genus # Mexiconium - Shelley, 1996
                                                                                                           Genus # Octoglena - Wood, 1864
                                                                                   Family # Polyzoniidae - Newport, 1844
                                                                                         Subfamily # Buzoniinae - Shelley, 1998
                                                                                               Tribe # Bdellozoniini - Shelley, 1998
                                                                                                           Genus # Bdellozonium - Cook & Loomis, 1928
                                                                                                           Genus # Stenozonium - Shelley, 1998
                                                                                               Tribe # Buzoniini - Shelley, 1998
                                                                                                           Genus # Buzonium - Cook & Loomis, 1928
                                                                                         Subfamily # Polyzoniinae -  
                                                                                               Tribe # Petaserpetini - Shelley, 1998
                                                                                                           Genus # Petaserpes - Cope, 1870
                                                                                   Family # Siphonotidae - Cook, 1895
                                                                                                           Genus # Rhinotus - Cook, 1896
                                                           Order # Siphoniulida -  
                                                                                   Family # Siphoniulidae - Pocock, 1894
                                                                                                           Genus # Siphoniulus - Pocock, 1894
                                                           Order # Siphonophorida -  
                                                                                   Family # Siphonophoridae - Newport, 1844
                                                                                                           Genus # Siphonacme - Cook & Loomis, 1928
                                                                                                           Genus # Siphonocybe - Pocock, 1903
                                                                                                           Genus # Siphonophora - Brandt, 1837
                                                                                   Family # Siphonorhinidae - Cook, 1895
                                                                                                           Genus # Illacme - Cook & Loomis, 1928
                                                           Order # Spirobolida - Bollman, 1893
                                                                                   Family # Allopocockiidae - Keeton, 1960
                                                                                                           Genus # Allopocockia - Brolemann, 1913
                                                                                                           Genus # Anelus - Cook, 1911
                                                                                                           Genus # Arolus - Chamberlin, 1922
                                                                                                           Genus # Chelogonobolus - Carl, 1919
                                                                                                           Genus # Schmidtolus - Chamberlin, 1953
                                                                                   Family # Atopetholidae - Chamberlin, 1918
                                                                                                           Genus # Cyclothyrophorus - Pocock, 1908
                                                                                         Subfamily # Arinolinae - Hoffman & Orcutt, 1960
                                                                                                           Genus # Arinolus - Chamberlin, 1940
                                                                                                           Genus # Piedolus - Chamberlin, 1930
                                                                                                           Genus # Scobinomus - Loomis, 1953
                                                                                                           Genus # Tarascolus - Chamberlin, 1943
                                                                                         Subfamily # Atopetholinae - Chamberlin, 1918
                                                                                                           Genus # Atopetholus - Chamberlin, 1918
                                                                                                           Genus # Tidolus - Chamberlin, 1949
                                                                                                           Genus # Watichelus - Chamberlin, 1949
                                                                                         Subfamily # Eurelinae - Hoffman & Orcutt, 1960
                                                                                                           Genus # Centrelus - Cook, 1911
                                                                                                           Genus # Comanchelus - Hoffman & Orcutt, 1960
                                                                                                           Genus # Eurelus - Chamberlin, 1941
                                                                                                           Genus # Mannobolus - Loomis, 1968
                                                                                                           Genus # Toltecolus - Chamberlin, 1943
                                                                                                           Genus # Uvaldia - Loomis, 1968
                                                                                         Subfamily # Onychelinae - Hoffman & Orcutt, 1960
                                                                                                           Genus # Onychelus - Cook, 1904
                                                                                   Family # Floridobolidae - Keeton, 1959
                                                                                                           Genus # Floridobolus - Causey, 1957
                                                                                   Family # Messicobolidae - Loomis, 1968
                                                                                                           Genus # Messicobolus - Brolemann, 1913
                                                                                                           Genus # Petenobolus - Loomis, 1968
                                                                                   Family # Pachybolidae - Cook, 1897
                                                                                   Family # Pseudospirobolellidae - Brolemann, 1913
                                                                                                           Genus # Pseudospirobolellus - Carl, 1912
                                                                                   Family # Rhinocricidae - Brolemann, 1913
                                                                                                           Genus # Alcimobolus - Loomis, 1936
                                                                                                           Genus # Anadenobolus - Silvestri, 1897
                                                                                                           Genus # Auracricus - Pérez-Asso, 1998
                                                                                                           Genus # Eurhinocricus - Brolemann, 1903
                                                                                                           Genus # Fomentocricus - Pérez-Asso, 1998
                                                                                                           Genus # Haitobolus - Mauriès & Hoffman, 1998
                                                                                                           Genus # Jobocricus - Pérez-Asso, 1998
                                                                                                           Genus # Leiocricus - Loomis, 1936
                                                                                                           Genus # Nesobolus - Chamberlin, 1918
                                                                                                           Genus # Oxypyge - Silvestri, 1896
                                                                                                           Genus # Oxypygides - Chamberlin, 1922
                                                                                                           Genus # Rhinocricus - Karsch, 1881
                                                                                                           Genus # Thyroproctus - Pocock, 1894
                                                                                                           Genus # Yucatobolus - Chamberlin, 1938
                                                                                                           Genus # Zipyge - Chamberlin, 1925
                                                                                   Family # Spirobolellidae - Brolemann, 1913
                                                                                                           Genus # Spirobolellus - Pocock, 1894
                                                                                   Family # Spirobolidae - Bollman, 1893
                                                                                         Subfamily # Spirobolinae - Bollman, 1893
                                                                                                           Genus # Aztecolus - Chamberlin, 1943
                                                                                                           Genus # Chicobolus - Chamberlin, 1947
                                                                                                           Genus # Narceus - Rafinesque, 1820
                                                                                         Subfamily # Tylobolinae - Keeton, 1960
                                                                                                           Genus # Hiltonius - Chamberlin, 1918
                                                                                                           Genus # Tylobolus - Cook, 1904
                                                                                   Family # Trigoniulidae - Attems, 1909
                                                                                                           Genus # Leptogoniulus - Silvestri, 1897
                                                                                                           Genus # Trigoniulus - Pocock, 1894
                                                                                   Family # Typhlobolellidae - Hoffman, 1980
                                                                                                           Genus # Ergene - Chamberlin, 1943
                                                                                                           Genus # Morelene - Chamberlin, 1943
                                                                                                           Genus # Reddellobus - Causey, 1973
                                                                                                           Genus # Typhlobolellus - Hoffman, 1969
                                                           Order # Spirostreptida -  
                                                                                   Family # Cambalopsidae - Cook, 1895
                                                                                                           Genus # Glyphiulus - Gervais, 1847
                                                                 Suborder # Cambalidea - Bollman, 1893
                                                                                   Family # Cambalidae - Bollman, 1893
                                                                                                           Genus # Alakene - Chamberlin, 1941
                                                                                                           Genus # Buwatia - Chamberlin, 1912
                                                                                                           Genus # Cambala - Gray, 1832
                                                                                                           Genus # Doilene - Chamberlin, 1941
                                                                                                           Genus # Endere - Loomis, 1938
                                                                                                           Genus # Leiodere - Loomis, 1938
                                                                                                           Genus # Mexicambala - Causey, 1964
                                                                                                           Genus # Nannolene - Bollman, 1887
                                                                                                           Genus # Odachurus - Loomis, 1938
                                                                                                           Genus # Paiteya - Chamberlin, 1910
                                                                                                           Genus # Pharodere - Loomis, 1938
                                                                                                           Genus # Platydere - Loomis, 1938
                                                                                                           Genus # Tigolene - Chamberlin, 1941
                                                                                                           Genus # Titsona - Chamberlin, 1912
                                                                                                           Genus # Tridere - Cook & Loomis, 1938
                                                                 Suborder # Epinannolenoidea - Chamberlin, 1922
                                                                                   Family # Choctellidae - Chamberlin & Hoffman, 1950
                                                                                                           Genus # Choctella - Chamberlin, 1918
                                                                                   Family # Pseudonannolenidae - Silvestri, 1895
                                                                                                           Genus # Cambalomma - Loomis, 1941
                                                                                                           Genus # Epinannolene - Brolemann, 1903
                                                                 Suborder # Spirostreptidea - Brandt, 1833
                                                                                   Family # Spirostreptidae - Brandt, 1833
                                                                                                           Genus # Isoporostreptus - Silvestri, 1898
                                                                                                           Genus # Mayastreptus - Hoffman, 1998
                                                                                                           Genus # Orthoporus - Silvestri, 1897
                                                           Order # Stemmiulida - Pocock, 1894
                                                                                   Family # Stemmiulidae - Pocock, 1894
                                                                                                           Genus # Prostemmiulus - Silvestri, 1916
                                                                                                           Genus # Scoliogmus - Loomis, 1941
                                                                                                           Genus # Stemmiulus - Gervais, 1844
                                         Subclass # Penicillata -  
                                                           Order # Polyxenida - Lucas, 1840
                                                                             Superfamily # Polyxenoidea - Lucas, 1840
                                                                                   Family # Lophoproctidae - Silvestri, 1897
                                                                                                           Genus # Lophoproctinus - Silvestri, 1948
                                                                                                           Genus # Lophoturus - Brolemann, 1931
                                                                                                           Genus # Plesioproctus - Condé, 1964
                                                                                   Family # Polyxenidae - Lucas, 1840
                                                                                                           Genus # Macroxenodes - Silvestri, 1948
                                                                                                           Genus # Polyxenus - Latreille, 1802/1803
                                         Subclass # Pentazonia -  
                                                           Order # Glomerida - Leach, 1814
                                                                                   Family # Glomeridae - Leach, 1815
                                                                                                           Genus # Glomeroides - Chamberlin, 1922
                                                                                                           Genus # Onomeris - Cook, 1896
                                                                                                           Genus # Trichomeris - Loomis, 1943
                                                           Order # Glomeridesmida - Latzel, 1884
                                                                                   Family # Glomeridesmidae - Latzel, 1884
                                                                                                           Genus # Glomeridesmus - Gervais, 1844
                                   Class # Pauropoda - Lubbock, 1867
                                                           Order # Hexamerocerata - Remy, 1950
                                                                                   Family # Millotauropodidae - Remy, 1950
                                                                                                           Genus # Millotauropus - Remy, 1950
                                                           Order # Tetramerocerata - Remy, 1950
                                                                                   Family # Antichtopauropodidae - Scheller, 2010
                                                                                                           Genus # Antichtopauropus - Scheller, 2010
                                                                                   Family # Eirmopauropodidae - Scheller in Scheller and Minor, 2010
                                                                                                           Genus # Eirmopauropus - Scheller in Scheller and Minor, 2010
                                                                             Superfamily # Brachypauropodoidea - Silvestri, 1902
                                                                                   Family # Brachypauropodidae - Silvestri, 1902
                                                                                                           Genus # Aletopauropus - MacSwain and Lanham, 1948
                                                                                                           Genus # Borneopauropus - Scheller, 2008
                                                                                                           Genus # Brachypauropoides - Remy, 1952
                                                                                                           Genus # Brachypauropus - Latzel, 1884
                                                                                                           Genus # Deltopauropus - MacSwain and Lanham, 1948
                                                                                                           Genus # Mojingapauropus - Scheller, 2014
                                                                                                           Genus # Zygopauropus - MacSwain and Lanham, 1948
                                                                                   Family # Hansenauropodidae - Remy, 1954
                                                                                                           Genus # Antillauropus - Remy, 1958
                                                                                                           Genus # Hansenauropus - Remy, 1954
                                                                                                           Genus # Psammopauropus - Bu, 2020
                                                                                                           Genus # Virginopauropus - Scheller in Scheller and Muchmore, 1990
                                                                             Superfamily # Eurypauropodoidea - Ryder, 1879
                                                                                   Family # Eurypauropodidae - Ryder, 1879
                                                                                                           Genus # Acopauropus - Cook, 1896
                                                                                                           Genus # Eurypauropus - Ryder, 1879
                                                                                                           Genus # Samarangopus - Verhoeff, 1934
                                                                                                           Genus # Trachypauropus - Tömösváry, 1882
                                                                                   Family # Sphaeropauropodidae - Verhoeff, 1934
                                                                                                           Genus # Sphaeropauropus - Silvestri, 1930
                                                                             Superfamily # Pauropodoidea - Lubbock, 1867
                                                                                   Family # Amphipauropodidae - Scheller, 2008
                                                                                                           Genus # Amphipauropus - Scheller, 1984
                                                                                   Family # Colinauropodidae - Scheller, 1985
                                                                                                           Genus # Colinauropus - Remy, 1956
                                                                                   Family # Diplopauropodidae - Scheller, 1988
                                                                                                           Genus # Adelphopauropus - Scheller, 2013
                                                                                                           Genus # Diplopauropus - Scheller, 1988
                                                                                   Family # Pauropodidae - Lubbock, 1867
                                                                                                           Genus # Afrauropus - Remy, 1959
                                                                                                           Genus # Allopauropus - Silvestri, 1902
                                                                                                           Genus # Angkapauropus - Scheller, 2011
                                                                                                           Genus # Ataktopauropus - Scheller in Scheller and Barratt, 2012
                                                                                                           Genus # Cauvetauropus - Remy, 1952
                                                                                                           Genus # Dasongius - Sun and Guo in Qian et al., 2015
                                                                                                           Genus # Decapauropus - Remy, 1931
                                                                                                           Genus # Desmopauropus - Scheller in Scheller and Bernard, 2005
                                                                                                           Genus # Donzelotauropus - Remy, 1957
                                                                                                           Genus # Eburnipauropus - Scheller, 2008
                                                                                                           Genus # Ferepauropus - Scheller, 2008
                                                                                                           Genus # Hemipauropus - Silvestri, 1902
                                                                                                           Genus # Hystrichopauropus - Remy, 1942
                                                                                                           Genus # Juxtapauropus - Scheller, 2007
                                                                                                           Genus # Kionopauropus - Scheller, 2009
                                                                                                           Genus # Monodauropus - Remy, 1953
                                                                                                           Genus # Multipauropus - Scheller, 1977
                                                                                                           Genus # Neopauropus - Kishida, 1928
                                                                                                           Genus # Nesopauropus - Scheller, 1997
                                                                                                           Genus # Pauropus - Lubbock, 1867
                                                                                                           Genus # Perissopauropus - Scheller, 1997
                                                                                                           Genus # Pounamupauropus - Scheller in Scheller and Barratt, 2012
                                                                                                           Genus # Propepauropus - Scheller, 1985
                                                                                                           Genus # Rabaudauropus - Remy, 1953
                                                                                                           Genus # Scleropauropus - Silvestri, 1902
                                                                                                           Genus # Stylopauropoides - Remy, 1956
                                                                                                           Genus # Stylopauropus - Cook, 1896
                                                                                   Family # Polypauropodidae - Remy, 1932
                                                                                                           Genus # Fagepauropus - Remy, 1951
                                                                                                           Genus # Polypauropoides - Remy, 1956
                                                                                                           Genus # Polypauropus - Remy, 1932
                                   Class # Symphyla - Ryder, 1880
                                                                                   Family # Scolopendrellidae - Newport, 1844
                                                                                                           Genus # Geophilella - Ribaut, 1913
                                                                                                           Genus # Neosymphyla - Edwards and Belfield, 1967
                                                                                                           Genus # Parviapiciella - Mas and Serra, 1993
                                                                                                           Genus # Remysymphyla - Aubry and Masson, 1952
                                                                                                           Genus # Ribautiella - Brölemann, 1926
                                                                                                           Genus # Scolopendrella - Gervais, 1839
                                                                                                           Genus # Scolopendrellopsis - Bagnall, 1913
                                                                                                           Genus # Symphylella - Silvestri, 1902
                                                                                                           Genus # Symphylellina - Brölemann, 1931
                                                                                   Family # Scutigerellidae - Bagnall, 1913
                                                                                                           Genus # Hanseniella - Bagnall, 1913
                                                                                                           Genus # Millotellina - Jupeau, 1954
                                                                                                           Genus # Scolopendrelloides - Bagnall, 1913
                                                                                                           Genus # Scopoliella - Scheller, 1986
                                                                                                           Genus # Scutigerella - Ryder, 1882
                 Phylum # Kinorhyncha - Reinhard, 1881
                                                           Order # Cyclorhagida - Zelinka, 1896
                                                                 Suborder # Conchorhagae - Zelinka, 1907
                                                                                   Family # Cephalorhynchidae - Adrianov, 1999
                                                                                                           Genus # Cephalorhyncha - Adrianov, 1999
                                                                                   Family # Semnoderidae - Remane, 1936
                                                                                                           Genus # Semnoderes - Zelinka, 1907
                                                                                                           Genus # Sphenoderes - Higgins, 1969
                                                                 Suborder # Cryptorhagae - Higgins, 1968
                                                                                   Family # Cateriidae - Gerlach, 1956
                                                                                                           Genus # Carteria - Gerlach, 1956
                                                                 Suborder # Cyclorhagae - Zelinka, 1896
                                                                                   Family # Centroderidae - Zelinka, 1896
                                                                                                           Genus # Campyloderes - Zelinka, 1913
                                                                                                           Genus # Centroderes - Zelinka, 1907
                                                                                                           Genus # Condyloderes - Higgins, 1969
                                                                                   Family # Dracoderidae - Higgins and Shirayama, 1990
                                                                                                           Genus # Dracoderes - Higgins and Shirayama, 1990
                                                                                   Family # Echinoderidae - Bütschli, 1876
                                                                                                           Genus # Echinoderes - Claparède, 1863
                                                                 Suborder # Protorhagae - Adrianov and Malakhov, 1994
                                                                                   Family # Antygomonidae - Adrianov and Malakhov, 1994
                                                                                                           Genus # Antygomonas - Nebelsick, 1990
                                                                                   Family # Zelinkaderidae - Higgins, 1990
                                                                                                           Genus # Zelinkaderes - Higgins, 1990
                                                           Order # Homalorhagida - Zelinka, 1896
                                                                 Suborder # Homalorhagae - Zelinka, 1896
                                                                                   Family # Neocentrophyidae - Higgins, 1969
                                                                                                           Genus # Neocentrophyes - Higgins, 1969
                                                                                                           Genus # Paracentrophyes - Higgins, 1983
                                                                                   Family # Pycnophyidae - Zelinka, 1896
                                                                                                           Genus # Kinorhynchus - Sheremetevskij, 1974
                                                                                                           Genus # Pycnophyes - Zelinka, 1907
                 Phylum # Loricifera - Kristensen, 1983
                                                           Order # Nanaloricida - Kristensen, 1983
                                                                                   Family # Nanaloricidae - Kristensen, 1983
                                                                                                           Genus # Armorloricus - Kristensen and Gad, 2004
                                                                                                           Genus # Nanaloricus - Kristensen, 1983
                                                                                                           Genus # Phoeniciloricus - Gad, 2004
                                                                                   Family # Pliciloricidae - Higgins and Kristensen, 1986
                                                                                                           Genus # Pliciloricus - Higgins and Kristensen, 1986
                                                                                                           Genus # Rugiloricus - Higgins and Kristensen, 1986
                                                                                                           Genus # Titaniloricus - Gad, 2005
                 Phylum # Nematoda -  
                                   Class # Chromadorea -  
                                                           Order # Aphelenchida -  
                                                                                   Family # Aphelenchidae -  
                                                                                                           Genus # Aphelenchus -  
                                                                                                           Genus # Bursaphelenchus -  
                                                                                                           Genus # Cryptophelenchus -  
                                                                                                           Genus # Cryptophelenoides -  
                                                                                                           Genus # Laimaphelenchus -  
                                                                                                           Genus # Megadorus -  
                                                                                                           Genus # Paraseinura -  
                                                                                                           Genus # Parasitaphelenchus -  
                                                                                                           Genus # Peraphelenchus -  
                                                                                                           Genus # Rhadinaphelenchus -  
                                                                                                           Genus # Seinura -  
                                                                                                           Genus # Tylaphelenchus -  
                                                                                   Family # Aphelenchoididae -  
                                                                                                           Genus # Aphelenchoides - Fischer, 1894
                                                                                   Family # Myenchildae -  
                                                                                                           Genus # Myenchus -  
                                                                                                           Genus # Myoryctes -  
                                                                                   Family # Paraphelenchidae -  
                                                                                                           Genus # Metaphelenchus -  
                                                                                                           Genus # Paraphelenchus -  
                                                           Order # Ascaridida -  
                                                                                   Family # Acanthocheilidae -  
                                                                                                           Genus # Acanthocheilus -  
                                                                                                           Genus # Pseudanisakis -  
                                                                                   Family # Anisakidae -  
                                                                                                           Genus # Anisakis -  
                                                                                                           Genus # Contracaecum -  
                                                                                                           Genus # Goezia -  
                                                                                                           Genus # Heterotyphlum - Spaul, 1927
                                                                                                           Genus # Paranisakis -  
                                                                                                           Genus # Phocanema -  
                                                                                                           Genus # Phocascaris -  
                                                                                                           Genus # Raphidascaroides - Yamaguti, 1941
                                                                                                           Genus # Rhaphidascaris -  
                                                                                                           Genus # Terranova -  
                                                                                                           Genus # Thynnascaris -  
                                                                                   Family # Ascarididae -  
                                                                                                           Genus # Angusticareum -  
                                                                                                           Genus # Ascaris -  
                                                                                                           Genus # Parascaris -  
                                                                                                           Genus # Toxascaris -  
                                                                                   Family # Ascaridiidae -  
                                                                                                           Genus # Ascaridia -  
                                                                                   Family # Atractidae -  
                                                                                                           Genus # Rondonia -  
                                                                                   Family # Cosmocercidae -  
                                                                                                           Genus # Cosmocercoides -  
                                                                                   Family # Crossophoridae -  
                                                                                                           Genus # Crossophorus -  
                                                                                                           Genus # Dartvellenia -  
                                                                                   Family # Cucullanidae -  
                                                                                                           Genus # Bulbodacnitis -  
                                                                                                           Genus # Cucullanellus -  
                                                                                                           Genus # Cucullanus -  
                                                                                                           Genus # Truttaedacnitis -  
                                                                                   Family # Dioctophymatidae -  
                                                                                                           Genus # Dioctophyma -  
                                                                                                           Genus # Eustrongylides -  
                                                                                                           Genus # Hystrichis -  
                                                                                   Family # Goeziidae -  
                                                                                   Family # Heterakidae -  
                                                                                                           Genus # Musserakis - Hasegawa, Dewi and Asakawa, 2014
                                                                                   Family # Heterocheilidae -  
                                                                                                           Genus # Heterocheilus -  
                                                                                                           Genus # Typhlophorus -  
                                                                                   Family # Kathlanidae -  
                                                                                   Family # Maupasinidae -  
                                                                                                           Genus # Maupasina -  
                                                                                   Family # Oxyuridae -  
                                                                                                           Genus # Enterobius -  
                                                                                   Family # Quimperiidae -  
                                                                                                           Genus # Omeia -  
                                                                                   Family # Rhigonematidae -  
                                                                                   Family # Schneidernematidae -  
                                                                                                           Genus # Echinomena -  
                                                                                                           Genus # Morgascarida -  
                                                                                                           Genus # Schneidernema -  
                                                                                   Family # Seuratidae -  
                                                                                   Family # Soboliphymatidae -  
                                                                                                           Genus # Soboliphyme -  
                                                                                   Family # Subuluridae -  
                                                                                   Family # Thelastomatidae -  
                                                                                   Family # Toxocaridae -  
                                                                                                           Genus # Neoascaris -  
                                                                                                           Genus # Paradujardinia -  
                                                                                                           Genus # Porrocaecum -  
                                                                                                           Genus # Toxocara -  
                                                           Order # Camallanida -  
                                                                             Superfamily # Camallanoidea -  
                                                                                   Family # Anguillicolidae -  
                                                                                                           Genus # Anguillicola -  
                                                                                                           Genus # Molnaria -  
                                                                                                           Genus # Skrjabilanus -  
                                                                                   Family # Camallanidae -  
                                                                                                           Genus # Camallanus -  
                                                                                                           Genus # Oncophora -  
                                                                                                           Genus # Procamallanus -  
                                                                                                           Genus # Spirocamallanus - Olsen
                                                                             Superfamily # Dracunculoidea -  
                                                                                   Family # Dracunculidae -  
                                                                                                           Genus # Avioserpens -  
                                                                                                           Genus # Dracunculus -  
                                                                                   Family # Micropleudidae -  
                                                                                                           Genus # Micropleura -  
                                                                                   Family # Philometridae -  
                                                                                                           Genus # Philometra -  
                                                                                                           Genus # Phlyctainophora -  
                                                           Order # Diplogasterida -  
                                                                                   Family # Cylindrocorporidae -  
                                                                                                           Genus # Cylindrocorpus -  
                                                                                                           Genus # Goodeyus -  
                                                                                                           Genus # Longibucca -  
                                                                                                           Genus # Myctolaimus -  
                                                                                                           Genus # Protocylindrocorpus -  
                                                                                                           Genus # Protodiplogasteroides -  
                                                                                                           Genus # Pseudodiplogasteroides -  
                                                                                   Family # Diplogasteridae -  
                                                                                                           Genus # Allodiplogaster -  
                                                                                                           Genus # Butlerius -  
                                                                                                           Genus # Demaniella -  
                                                                                                           Genus # Diplogaster -  
                                                                                                           Genus # Diplogasterellus -  
                                                                                                           Genus # Diplogasteriana -  
                                                                                                           Genus # Diplogasteritus -  
                                                                                                           Genus # Diplogasteroides -  
                                                                                                           Genus # Fictor -  
                                                                                                           Genus # Goffartia -  
                                                                                                           Genus # Hemidiplogaster -  
                                                                                                           Genus # Koernaria -  
                                                                                                           Genus # Mesodiplogaster -  
                                                                                                           Genus # Metadiplogaster -  
                                                                                                           Genus # Micoletzkya -  
                                                                                                           Genus # Mononchoides - Rahm, 1928
                                                                                                           Genus # Neodiplogaster -  
                                                                                                           Genus # Paroigolaimella -  
                                                                                                           Genus # Pristionchus - Kreis, 1932
                                                                                                           Genus # Prosodontus -  
                                                                                                           Genus # Rhabditolaimus -  
                                                                                                           Genus # Rhabdontolaimus -  
                                                                                                           Genus # Syedella - Suryawanshi, 1971
                                                                                                           Genus # Tawdenema - Suryawanshi, 1971
                                                                                                           Genus # Tylolaimophorus -  
                                                                                                           Genus # Tylopharynx -  
                                                                                   Family # Diplogasteroididae -  
                                                                                                           Genus # Dirhabdilaimus -  
                                                                                   Family # Odontopharyngidae -  
                                                                                                           Genus # Odontopharynx -  
                                                           Order # Rhabdiasida -  
                                                                             Superfamily # Oxyuroidea -  
                                                           Order # Rhabditida -  
                                                                                   Family # Agfidae -  
                                                                                                           Genus # Agfa -  
                                                                                   Family # Alirhabditidae - Suryawanshi, 1971
                                                                                                           Genus # Alirhabditis - Suryawanshi, 1971
                                                                                   Family # Alloionematidae -  
                                                                                                           Genus # Alloionema -  
                                                                                   Family # Angiostomatidae -  
                                                                                                           Genus # Angiostoma -  
                                                                                   Family # Brevibuccidae -  
                                                                                                           Genus # Brevibucca -  
                                                                                                           Genus # Cuticonema -  
                                                                                   Family # Bunonematidae -  
                                                                                                           Genus # Aspidonema -  
                                                                                                           Genus # Bunonema -  
                                                                                                           Genus # Craspedonema -  
                                                                                                           Genus # Rhodolaimus -  
                                                                                                           Genus # Sachisium -  
                                                                                                           Genus # Serronema -  
                                                                                                           Genus # Stammeria -  
                                                                                   Family # Carabonematidae -  
                                                                                                           Genus # Carabonema -  
                                                                                   Family # Cephalobidae -  
                                                                                                           Genus # Acrobeles -  
                                                                                                           Genus # Acrobeloides -  
                                                                                                           Genus # Cephalobus -  
                                                                                                           Genus # Cervidellus -  
                                                                                                           Genus # Chiloplacus -  
                                                                                                           Genus # Eucephalobus -  
                                                                                                           Genus # Placodira -  
                                                                                                           Genus # Stegelleta -  
                                                                                                           Genus # Zeldia -  
                                                                                   Family # Chambersiellidae -  
                                                                                                           Genus # Chambersiella -  
                                                                                                           Genus # Diastolaimus -  
                                                                                                           Genus # Macrolaimellus -  
                                                                                   Family # Daubayliidae -  
                                                                                                           Genus # Daubaylia -  
                                                                                   Family # Elaphonematidae -  
                                                                                                           Genus # Elaphonema - Heyns, 1962
                                                                                   Family # Heterohabditidae - Poinar, 1975
                                                                                                           Genus # Heterohabditis - Poinar, 1975
                                                                                   Family # Odontorhabditidae -  
                                                                                                           Genus # Cheilorhabditis -  
                                                                                                           Genus # Doploscapteroides -  
                                                                                                           Genus # Odontorhabditis -  
                                                                                   Family # Panagrolaimidae -  
                                                                                                           Genus # Macrolaimus -  
                                                                                                           Genus # Micronema -  
                                                                                                           Genus # Panagrellus -  
                                                                                                           Genus # Panagrobelus -  
                                                                                                           Genus # Plectonchus -  
                                                                                                           Genus # Trilabiatus -  
                                                                                                           Genus # Turbatrix -  
                                                                                   Family # Pangrolaimidae -  
                                                                                                           Genus # Panagrolaimus -  
                                                                                   Family # Pseudogasteroididae -  
                                                                                                           Genus # Pseudogasteroides -  
                                                                                   Family # Pterygorhabditidae -  
                                                                                                           Genus # Pterygorhabditis -  
                                                                                   Family # Rhabdiasidae -  
                                                                                                           Genus # Acanthorhabdias -  
                                                                                                           Genus # Entomelas -  
                                                                                                           Genus # Rhabdias -  
                                                                                   Family # Rhabditidae -  
                                                                                                           Genus # Bursilla - Andrassy, 1976
                                                                                                           Genus # Caenorhabditis -  
                                                                                                           Genus # Cruznema - Artigas, 1927
                                                                                                           Genus # Diploscapter -  
                                                                                                           Genus # Macramphis -  
                                                                                                           Genus # Mesorhabditis - Osche, 1952
                                                                                                           Genus # Neorhabditus -  
                                                                                                           Genus # Parasitorhabditus -  
                                                                                                           Genus # Pellioditis - Doughtery, 1953
                                                                                                           Genus # Pelodera -  
                                                                                                           Genus # Poikilolaimus -  
                                                                                                           Genus # Protorhabditis -  
                                                                                                           Genus # Rhabditis -  
                                                                                                           Genus # Rhabditoides -  
                                                                                                           Genus # Rhabditophanes -  
                                                                                                           Genus # Rhitis - Andrassy, 1982
                                                                                                           Genus # Teratorhabditis -  
                                                                                   Family # Rhabditonematidae -  
                                                                                                           Genus # Rhabditonema -  
                                                                                                           Genus # Saprohabditis -  
                                                                                   Family # Robertiidae -  
                                                                                                           Genus # Robertia -  
                                                                                   Family # Steinernematidae -  
                                                                                                           Genus # Neoaplectana -  
                                                                                                           Genus # Steinernema -  
                                                                                   Family # Strongyloididae -  
                                                                                                           Genus # Parastrongyloides -  
                                                                                                           Genus # Strongyloides -  
                                                                                   Family # Syrphonematidae -  
                                                                                                           Genus # Syrphonema -  
                                                           Order # Spirurida -  
                                                                                                           Genus # Dichelyne -  
                                                                                   Family # Acuariidae -  
                                                                                   Family # Gnathostomatidae -  
                                                                                                           Genus # Echinocephalus -  
                                                                                                           Genus # Gnathostoma -  
                                                                                                           Genus # Spiroxys -  
                                                                                                           Genus # Tanqua -  
                                                                                   Family # Hedruridae -  
                                                                                                           Genus # Hedruris -  
                                                                                   Family # Physalopteridae -  
                                                                                                           Genus # Proleptus -  
                                                                                   Family # Spiruridae -  
                                                                                                           Genus # Ascarophis -  
                                                                                                           Genus # Dollfusnema -  
                                                                                   Family # Tetrameridae -  
                                                                                                           Genus # Crassicauda -  
                                                                                                           Genus # Geopetitia -  
                                                                                                           Genus # Microtetrameres -  
                                                                                                           Genus # Placentonema -  
                                                                                                           Genus # Tetrameres -  
                                                                                   Family # Thelaziidae -  
                                                                                                           Genus # Heptachona -  
                                                                                                           Genus # Rhabdochona -  
                                                                                                           Genus # Sterliadochona -  
                                                                                                           Genus # Vasorhabdochona -  
                                                                             Superfamily # Filarioidea -  
                                                                                   Family # Aproctidae -  
                                                                                   Family # Creagrocercidae -  
                                                                                                           Genus # Creagrocercus -  
                                                                                   Family # Drilonematidae -  
                                                                                                           Genus # Alaninema -  
                                                                                   Family # Filariidae -  
                                                                                   Family # Homungellidae -  
                                                                                                           Genus # Homungella -  
                                                                                   Family # Mesidionematidae -  
                                                                                                           Genus # Mesidionema -  
                                                                                   Family # Scolecophilidae -  
                                                                                                           Genus # Scolecophiloides -  
                                                                                                           Genus # Scolecophilus -  
                                                                                   Family # Setariidae -  
                                                                                                           Genus # Dipetalonema -  
                                                                                   Family # Ungellidae -  
                                                                                                           Genus # Onychonema -  
                                                                                                           Genus # Siconema -  
                                                                                                           Genus # Sucamphida -  
                                                                                                           Genus # Synoecnema -  
                                                                                                           Genus # Ungella -  
                                                           Order # Strongylida -  
                                                                                   Family # Amidostomatidae -  
                                                                                   Family # Ancylostomidae -  
                                                                                                           Genus # Agriostoma -  
                                                                                                           Genus # Ancyclostoma -  
                                                                                                           Genus # Cyclodontostomum -  
                                                                                                           Genus # Galonchus -  
                                                                                   Family # Cloacinidae -  
                                                                                   Family # Diaphanocephalidae -  
                                                                                                           Genus # Diaphanocephalus -  
                                                                                                           Genus # Kalicephalus -  
                                                                                   Family # Dictyocaulidae -  
                                                                                                           Genus # Dictyocaulus -  
                                                                                   Family # Globocephalidae -  
                                                                                                           Genus # Globocephaloides -  
                                                                                                           Genus # Globocephalus -  
                                                                                                           Genus # Raillietostrongylus -  
                                                                                   Family # Heligosomatidae -  
                                                                                   Family # Metastrongylidae -  
                                                                                                           Genus # Angiostrongylus -  
                                                                                   Family # Ollulanidae -  
                                                                                                           Genus # Bidigiticauda -  
                                                                                                           Genus # Ollulanus -  
                                                                                   Family # Strongyidae -  
                                                                                   Family # Strongylacanthidae -  
                                                                                   Family # Syngamidae -  
                                                                                   Family # Trichostrongylidae -  
                                                                                   Family # Uncinariidae -  
                                                                                                           Genus # Necator -  
                                                           Order # Tylenchida -  
                                                                                   Family # Allantonematidae -  
                                                                                                           Genus # Dotylaphus -  
                                                                                                           Genus # Howardula -  
                                                                                   Family # Anguinidae -  
                                                                                                           Genus # Ditylenchus - Filipjev, 1936
                                                                                   Family # Criconematidae -  
                                                                                                           Genus # Coslenchus - Siddiqi, 1978
                                                                                                           Genus # Criconema -  
                                                                                                           Genus # Criconemella - De Grisse and Loof, 1965
                                                                                                           Genus # Criconemoides -  
                                                                                                           Genus # Drepanodorus - Altherr, 1954
                                                                                                           Genus # Hemicriconemoides - Birchfield, 1957
                                                                                                           Genus # Hemicyclophora -  
                                                                                                           Genus # Macroposthonia -  
                                                                                                           Genus # Paratylenchus -  
                                                                                   Family # Fergusobiidae -  
                                                                                                           Genus # Fergusobia -  
                                                                                   Family # Heteroderidae -  
                                                                                                           Genus # Dolichodorus -  
                                                                                                           Genus # Heterodera - Schmidt, 1871
                                                                                                           Genus # Hylonema - Luc, Taylor and Cadet, 1978
                                                                                                           Genus # Meloidodera - Chitwood, Hannon and Esser, 1956
                                                                                                           Genus # Meloidogyne -  
                                                                                   Family # Hoplolaimidae -  
                                                                                                           Genus # Belonolaimus -  
                                                                                                           Genus # Helicotylenchus -  
                                                                                                           Genus # Hirschmannia - Elofson, 1941
                                                                                                           Genus # Hoplolaimus -  
                                                                                                           Genus # Hoplotylus -  
                                                                                                           Genus # Pratylenchoides -  
                                                                                                           Genus # Pratylenchus -  
                                                                                                           Genus # Radopholus -  
                                                                                                           Genus # Rotylenchoides -  
                                                                                                           Genus # Rotylenchus -  
                                                                                                           Genus # Scutellonema -  
                                                                                                           Genus # Trichotylenchus -  
                                                                                   Family # Iotonchiidae -  
                                                                                                           Genus # Iotonchium -  
                                                                                   Family # Neotylenchidae -  
                                                                                                           Genus # Anguillonema -  
                                                                                                           Genus # Boleodorus -  
                                                                                                           Genus # Delademus -  
                                                                                                           Genus # Ecphyadophora -  
                                                                                                           Genus # Halenchus -  
                                                                                                           Genus # Hexatylus -  
                                                                                                           Genus # Neotylenchus -  
                                                                                                           Genus # Nothanguina -  
                                                                                                           Genus # Paurodontus -  
                                                                                                           Genus # Stictylus -  
                                                                                                           Genus # Thada -  
                                                                                   Family # Pratylenchidae -  
                                                                                                           Genus # Nacobbus -  
                                                                                                           Genus # Rotylenchulus - Linford and Oliveira, 1940
                                                                                   Family # Psilenchidae -  
                                                                                                           Genus # Basiria - Siddiqi, 1959
                                                                                   Family # Sphaerulariidae -  
                                                                                                           Genus # Sphaerularia -  
                                                                                                           Genus # Tripius -  
                                                                                   Family # Tylenchidae -  
                                                                                                           Genus # Aglenchus - Andrassy, 1954
                                                                                                           Genus # Anguina -  
                                                                                                           Genus # Atylenchus -  
                                                                                                           Genus # Chitinotylenchus -  
                                                                                                           Genus # Eutylenchus -  
                                                                                                           Genus # Filenchus - Andrassy, 1954
                                                                                                           Genus # Macrotrophurus -  
                                                                                                           Genus # Neoditylenchus -  
                                                                                                           Genus # Paranguina -  
                                                                                                           Genus # Pseudhalenchus -  
                                                                                                           Genus # Psilenchus -  
                                                                                                           Genus # Sychnotylenchus -  
                                                                                                           Genus # Telotylenchus -  
                                                                                                           Genus # Tetylenchus -  
                                                                                                           Genus # Trophurus -  
                                                                                                           Genus # Tylenchus -  
                                                                                   Family # Tylenchorhynchidae -  
                                                                                                           Genus # Merlinius - Siddiqi, 1970
                                                                                                           Genus # Tylenchorhynchus - Cobb, 1913
                                                                                   Family # Tylenchulidae -  
                                                                                                           Genus # Sphaeronema -  
                                                                                                           Genus # Trophonema -  
                                                                                                           Genus # Trophotylenchulus -  
                                                                                                           Genus # Tylenchocriconema -  
                                                                                                           Genus # Tylenchulus -  
                                         Subclass # Chromadoria -  
                                                           Order # Araeolaimida -  
                                                                                   Family # Araeolaimidae -  
                                                                                   Family # Aulolaimidae - Jairajpura and Hooper, 1968
                                                                                                           Genus # Aegialoalaimus - De Man, 1907
                                                                                                           Genus # Aulolaimus - De Man, 1880
                                                                                                           Genus # Gymnolaimus - Cobb, 1913
                                                                                                           Genus # Pseudoaulolaimus - Imamura, 1931
                                                                                   Family # Axonolaimidae -  
                                                                                                           Genus # Alaimonema - Cobb, 1920
                                                                                                           Genus # Apodontium - Cobb, 1920
                                                                                                           Genus # Araeolaimoides - De Man, 1893
                                                                                                           Genus # Araeolaimus - De Man, 1888
                                                                                                           Genus # Ascolaimus - Ditlevsen, 1919
                                                                                                           Genus # Axonolaimus - De Man, 1889
                                                                                                           Genus # Campylaimus - Cobb, 1920
                                                                                                           Genus # Chitwoodia - Gerlach, 1956
                                                                                                           Genus # Colpurella -  
                                                                                                           Genus # Cylindrolaimus - De Man, 1880
                                                                                                           Genus # Diplopeltis - Cobb In Stiles and Hassal, 1904
                                                                                                           Genus # Diplopeltoides - Gerlach, 1962
                                                                                                           Genus # Diplopeltula - Gerlach, 1950
                                                                                                           Genus # Domorganus - T. Goodey, 1947
                                                                                                           Genus # Greenenema -  
                                                                                                           Genus # Linolaimus - Cobb, 1933
                                                                                                           Genus # Margonema - Cobb, 1920
                                                                                                           Genus # Metaraeolaimoides - De Coninck, 1936
                                                                                                           Genus # Odontophora - Butschli, 1974
                                                                                                           Genus # Parachromagasteriella - Allgen, 1933
                                                                                                           Genus # Paradontophora - Timm, 1963
                                                                                                           Genus # Pararaeolaimus - Timm, 1961
                                                                                                           Genus # Parascolaimus - Wieser, 1959
                                                                                                           Genus # Paratarvaia - Wieser and Hopper, 1967
                                                                                                           Genus # Parodontophora - Timm, 1963
                                                                                                           Genus # Polylaimium - Cobb, 1920
                                                                                                           Genus # Pseudaraeolaimus - Chitwood, 1951
                                                                                                           Genus # Pseudolella -  
                                                                                                           Genus # Southerniella - Allgen, 1932
                                                                                                           Genus # Striatodora - Timm, 1961
                                                                                                           Genus # Synodontium - Cobb, 1920
                                                                                                           Genus # Synodontoides - Hopper, 1963
                                                                                                           Genus # Tarvaia - Allgen, 1934
                                                                                   Family # Bastianiidae - De Coninck, 1935
                                                                                                           Genus # Bastiania - De Man, 1867
                                                                                                           Genus # Dintheria - De Man, 1921
                                                                                   Family # Camacolaimidae -  
                                                                                   Family # Diplopeltidae -  
                                                                                   Family # Haliplectidae - Chitwood, 1951
                                                                                                           Genus # Haliplectus - Cobb, 1913
                                                                                                           Genus # Setoplectus - Vitiello, 1971
                                                                                   Family # Isolaimiidae - Timm, 1969
                                                                                                           Genus # Isolaimium - Cobb, 1920
                                                                                   Family # Leptolaimidae - Orley, 1880
                                                                                                           Genus # Acontiolaimus - Filipjev, 1918
                                                                                                           Genus # Alaimella - Cobb, 1920
                                                                                                           Genus # Anguilloides -  
                                                                                                           Genus # Anguinoides - Chitwood, 1936
                                                                                                           Genus # Anomonema - Hopper, 1963
                                                                                                           Genus # Anonchus - Cobb, 1913
                                                                                                           Genus # Anthonema - Cobb, 1905
                                                                                                           Genus # Antomicron - Cobb, 1920
                                                                                                           Genus # Aphanolaimus - De Man, 1880
                                                                                                           Genus # Aplectus - Cobb, 1914
                                                                                                           Genus # Assia - Gerlach, 1957
                                                                                                           Genus # Bathyonchus - Kreis, 1936
                                                                                                           Genus # Camacolaimoides - De Coninck and Stekhoven, 1933
                                                                                                           Genus # Camacolaimus - De Man, 1889
                                                                                                           Genus # Chronogaster - Cobb, 1913
                                                                                                           Genus # Cricolaimus - Southern, 1914
                                                                                                           Genus # Cynura -  
                                                                                                           Genus # Dagda - Southern, 1914
                                                                                                           Genus # Deontolaimus - De Man, 1880
                                                                                                           Genus # Diodontolaimus - Southern, 1914
                                                                                                           Genus # Donsinemella - Allgen, 1949
                                                                                                           Genus # Halaphanolaimus -  
                                                                                                           Genus # Ionema -  
                                                                                                           Genus # Kreisonema - Khera, 1969
                                                                                                           Genus # Leptolaimoides - Vitiello, 1971
                                                                                                           Genus # Leptolaimus - De Man, 1876
                                                                                                           Genus # Necolaimus - Allgen, 1959
                                                                                                           Genus # Nemella - Cobb, 1920
                                                                                                           Genus # Neurella - Cobb, 1920
                                                                                                           Genus # Onchium - Cobb, 1920
                                                                                                           Genus # Paradoxolaimus - Kreis, 1924
                                                                                                           Genus # Paraphanolaimus - Nicoletzky, 1923
                                                                                                           Genus # Paraplectonema - Strand, 1934
                                                                                                           Genus # Plectolaimus - Inglis, 1966
                                                                                                           Genus # Procamacolaimus - Gerlach, 1954
                                                                                                           Genus # Rhadinema - Cobb, 1920
                                                                                                           Genus # Stephanolaimus - Ditlevsen, 1918
                                                                                   Family # Plectidae -  
                                                                                                           Genus # Anaplectus -  
                                                                                                           Genus # Ereptonema - Anderson, 1966
                                                                                                           Genus # Oligoplectus -  
                                                                                                           Genus # Parkia - Yeates, 1967
                                                                                                           Genus # Perioplectus - Gerlach and Riemann, 1973
                                                                                                           Genus # Plectus - Bastian, 1865
                                                                                                           Genus # Pseudorhabdolaimus -  
                                                                                                           Genus # Pycnolaimus - Cobb, 1020
                                                                                                           Genus # Tylocephalus -  
                                                                                                           Genus # Wilsonema -  
                                                                                                           Genus # Wilsotylus - Chawla, et al, 1970
                                                                                   Family # Rhabdolaimidae -  
                                                                                                           Genus # Rhabdolaimus -  
                                                                                                           Genus # Rogerus -  
                                                                                                           Genus # Syringolaimus -  
                                                                                   Family # Teratocephalidae -  
                                                                                                           Genus # Euteratocephalus -  
                                                                                                           Genus # Teratocephalus -  
                                                                                   Family # Tripyloididae - Ilipjev, 1918
                                                                                                           Genus # Arenasoma - Yeates, 1967
                                                                                                           Genus # Bathylaimus - Cobb, 1894
                                                                                                           Genus # Diplobathylaimus - Allgen, 1959
                                                                                                           Genus # Ingenia - Gerlach, 1957
                                                                                                           Genus # Paratripyloides - Stekhoven, 1950
                                                                                                           Genus # Tripyloides - De Man, 1886
                                                           Order # Desmodorida -  
                                                                                   Family # Ceramonematidae - Cobb, 1933
                                                                                                           Genus # Ceramonema - Cobb, 1920
                                                                                                           Genus # Dasynemella - Cobb, 1933
                                                                                                           Genus # Dasynemoides - Chitwood, 1936
                                                                                                           Genus # Metadasynemella - De Coninck, 1942
                                                                                                           Genus # Pristionema - Cobb, 1933
                                                                                                           Genus # Pselionema - Cobb, 1933
                                                                                                           Genus # Pterygonema - Gerlach, 1954
                                                                                   Family # Choniolaimidae - Stekhoven and Adam, 1931
                                                                                                           Genus # Choniolaimus - Ditlevsen, 1918
                                                                                                           Genus # Cobbionema - Filipjev, 1922
                                                                                                           Genus # Gammanema - Cobb, 1920
                                                                                                           Genus # Halichoanolaimus - De Man, 1886
                                                                                                           Genus # Latronema - Wieser, 1954
                                                                                                           Genus # Nunema - Cobb, 1933
                                                                                                           Genus # Pseudonchus - Cobb, 1920
                                                                                   Family # Chromadoridae - Filipjev, 1917
                                                                                                           Genus # Actinonema - Cobb, 1920
                                                                                                           Genus # Adeuchromadora - Boucher and Bovee, 1972
                                                                                                           Genus # Atrochromadora - Wieser, 1959
                                                                                                           Genus # Austranema - Inglis, 1969
                                                                                                           Genus # Chromadora - Bastian, 1865
                                                                                                           Genus # Chromadorella - Filipjev, 1918
                                                                                                           Genus # Chromadorina - Filipjev, 1918
                                                                                                           Genus # Chromadorissa - Filipjev, 1917
                                                                                                           Genus # Chromadorita - Filipjev, 1922
                                                                                                           Genus # Dasylaimus - Cobb, 1933
                                                                                                           Genus # Deltanema - Kreis, 1929
                                                                                                           Genus # Denticulella - Cobb, 1933
                                                                                                           Genus # Dichromadora - Kreis, 1929
                                                                                                           Genus # Dicriconema - Steiner and Hoeppli, 1926
                                                                                                           Genus # Ethmolaimus - De Man, 1880
                                                                                                           Genus # Euchromadora - De Man, 186
                                                                                                           Genus # Fusonema - Kreis, 1928
                                                                                                           Genus # Graphonema - Cobb, 1898
                                                                                                           Genus # Hypodontolaimus - De Man, 1886
                                                                                                           Genus # Innocuonema - Inglis, 1969
                                                                                                           Genus # Megodontolaimus - Timm, 1969
                                                                                                           Genus # Neochromadora - Micoletzky, 1924
                                                                                                           Genus # Nygmatonchus - Cobb, 1933
                                                                                                           Genus # Odontocricus - Steiner, 1918
                                                                                                           Genus # Panduripharynx - Timm, 1961
                                                                                                           Genus # Parapinnanema - Inglis, 1969
                                                                                                           Genus # Prochromadora - Filipjev, 1922
                                                                                                           Genus # Prochromadorella - Micoletzky, 1924
                                                                                                           Genus # Protochromadora - Inglis, 1969
                                                                                                           Genus # Ptycholaimellus - Cobb, 1920
                                                                                                           Genus # Punctodora - Filipjev, 1929
                                                                                                           Genus # Rhips - Cobb, 1920
                                                                                                           Genus # Spiliphera - Bastian, 1865
                                                                                                           Genus # Spilophorella - Filipjev, 1917
                                                                                                           Genus # Steineridora - Inglis, 1969
                                                                                                           Genus # Timmia - Hopper, 1961
                                                                                                           Genus # Trichomadorita - Timm, 1961
                                                                                                           Genus # Trochamus - Boucher and Bovee, 1972
                                                                                   Family # Comesomatidae - Filipjev, 1918
                                                                                                           Genus # Acantholaimus - Allgen, 1933
                                                                                                           Genus # Actarjania - Hopper, 1967
                                                                                                           Genus # Cervonema - Wieser, 1954
                                                                                                           Genus # Comesoma - Bastian, 1865
                                                                                                           Genus # Dolichosomatum - Allgen, 1951
                                                                                                           Genus # Dorylaimopsis - Ditlevsen, 1918
                                                                                                           Genus # Grahamius -  
                                                                                                           Genus # Hopperia - Vitiello, 1969
                                                                                                           Genus # Laimella - Cobb, 1920
                                                                                                           Genus # Mesonchium - Cobb, 1920
                                                                                                           Genus # Metacomesoma - Wieser, 1954
                                                                                                           Genus # Metasabatiera - Timm, 1961
                                                                                                           Genus # Notosabatieria - Allgen, 1959
                                                                                                           Genus # Paracomesoma - Hope and Murphy, 1972
                                                                                                           Genus # Paramesonchium - Hopper, 1967
                                                                                                           Genus # Pierrickia - Vitiello, 1970
                                                                                                           Genus # Sabatieria - Rouville, 1903
                                                                                                           Genus # Tridentellia -  
                                                                                                           Genus # Ungulilaimus - Allgen, 1958
                                                                                                           Genus # Vasostoma - Wieser, 1954
                                                                                   Family # Cyatholaimidae - Filipjev, 1918
                                                                                                           Genus # Acanthonchus - Cobb, 1920
                                                                                                           Genus # Achromadora - Cobb, 1913
                                                                                                           Genus # Biarmifer - Wieser, 1954
                                                                                                           Genus # Boreomicrolaimoides - Allgen, 1954
                                                                                                           Genus # Choanolaimus - De Man, 1880
                                                                                                           Genus # Craspodema - Gerlach, 1956
                                                                                                           Genus # Cyatholaimus - Bastian, 1865
                                                                                                           Genus # Dentatonema - Kreis, 1928
                                                                                                           Genus # Dispira - Cobb, 1933
                                                                                                           Genus # Dispirella - Cobb, 1933
                                                                                                           Genus # Gomphionema - Wieser and Hopper, 1966
                                                                                                           Genus # Heterocyatholaimus - Allgen, 1935
                                                                                                           Genus # Longicyatholaimus - Micoletzky, 1924
                                                                                                           Genus # Marilynia - Hopper, 1972
                                                                                                           Genus # Metacyatholaimus - Stekhoven, 1942
                                                                                                           Genus # Micracanthonchus - Allgen, 1959
                                                                                                           Genus # Minolaimus - Vitiello, 1970
                                                                                                           Genus # Nannolaimoides - Ott, 1972
                                                                                                           Genus # Nannolaimus - Cobb, 1920
                                                                                                           Genus # Neotonchus - Cobb, 1933
                                                                                                           Genus # Paracanthonchus - Micoletzky, 1924
                                                                                                           Genus # Paracyatholaimoides - Gerlach, 1953
                                                                                                           Genus # Paracyatholaimus - Micoletzky, 1922
                                                                                                           Genus # Paralongicyatholaimus - Stekhoven, 1950
                                                                                                           Genus # Parapomponema - Ott, 1972
                                                                                                           Genus # Phyllolaimus - Murphy, 1964
                                                                                                           Genus # Pomponema - Cobb, 1917
                                                                                                           Genus # Praeacanthonchus - Micoletzky, 1924
                                                                                                           Genus # Propomponema - Ott, 1972
                                                                                                           Genus # Xenocyatholaimus - Gerlach, 1953
                                                                                                           Genus # Xyzzors - Inglis, 1963
                                                                                   Family # Desmodoridae - Filipjev, 1922
                                                                                                           Genus # Acanthopharyngoides - Chitwood, 1936
                                                                                                           Genus # Acanthopharynx - Marion, 1870
                                                                                                           Genus # Amphispira - Cobb, 1920
                                                                                                           Genus # Chromaspirina - Filipjev, 1918
                                                                                                           Genus # Cinctonema - Cobb, 1920
                                                                                                           Genus # Crassolaimus - Kreis, 1929
                                                                                                           Genus # Desmodora - De Man, 1889
                                                                                                           Genus # Eubostrichus - Greeff, 1969
                                                                                                           Genus # Ixonema - Lorenzen, 1971
                                                                                                           Genus # Laxonema - Cobb, 1920
                                                                                                           Genus # Laxus - Cobb, 1894
                                                                                                           Genus # Leptonemella - Cobb, 1920
                                                                                                           Genus # Metachromadora - Filipjev, 1918
                                                                                                           Genus # Metadesmodora - Stekhoven, 1942
                                                                                                           Genus # Onyx - Cobb, 1891
                                                                                                           Genus # Paradesmodora - Stekhoven, 1950
                                                                                                           Genus # Parathalassoalaimus - Allgen, 1929
                                                                                                           Genus # Polysigma - Cobb, 1920
                                                                                                           Genus # Pseudomelachromadora - Timm, 1952
                                                                                                           Genus # Robbea - Gerlach, 1956
                                                                                                           Genus # Sigmophoranema - Hope and Murphy, 1972
                                                                                                           Genus # Spirinia - Gerlach, 1963
                                                                                                           Genus # Squanema - Gerlach, 1963
                                                                                                           Genus # Stilbonema - Cobb, 1920
                                                                                                           Genus # Xenonema - Cobb, 1920
                                                                                   Family # Draconematidae - Filipjev, 1918
                                                                                                           Genus # Draconema - Cobb, 1913
                                                                                                           Genus # Drepanonema - Cobb, 1933
                                                                                                           Genus # Notochaetosoma - Irwin-smith, 1918
                                                                                                           Genus # Prochaetosoma - Micoletzky, 1922
                                                                                   Family # Epsilonematidae - Steiner, 1927
                                                                                                           Genus # Archepsilonema - Steiner, 1931
                                                                                                           Genus # Bathyepsilonema - Steiner, 1931
                                                                                                           Genus # Epsilonella - Steiner, 1931
                                                                                                           Genus # Epsilonema - Steiner, 1927
                                                                                                           Genus # Epsilonematina - Johnston, 1938
                                                                                                           Genus # Epsilonoides - Steiner, 1931
                                                                                                           Genus # Metepsilonema - Steiner, 1927
                                                                                   Family # Microlaimidae -  
                                                                                                           Genus # Microlaimus - De Man, 1880
                                                                                                           Genus # Molgolaimus - Ditlevsen, 1921
                                                                                                           Genus # Ohridia -  
                                                                                                           Genus # Paramicrolaimus - Wieser, 1954
                                                                                                           Genus # Prodesmodora - Micoletzky, 1923
                                                                                                           Genus # Ungulilaimella - Allgen, 1958
                                                                                   Family # Monoposthiidae -  
                                                                                                           Genus # Monoposthia - De Man, 1889
                                                                                                           Genus # Monoposthioides - Hopper, 1963
                                                                                                           Genus # Nudora - Cobb, 1920
                                                                                                           Genus # Rhinema - Cobb, 1920
                                                                                   Family # Richtersiidae -  
                                                                                                           Genus # Pteronium - Cobb, 1933
                                                                                                           Genus # Richtersia -  
                                                                                   Family # Selachinematidae - Cobb, 1915
                                                                                                           Genus # Cheironchus - Cobb, 1917
                                                                                                           Genus # Demonema - Cobb, 1894
                                                                                                           Genus # Kosswigonema - Gerlach, 1964
                                                                                                           Genus # Synonchiella - Cobb, 1933
                                                                                                           Genus # Synonchium - Cobb, 1920
                                                                                                           Genus # Trogolaimus - Cobb, 1920
                                                                                   Family # Spiriniidae -  
                                                                                   Family # Xennellidae - De Coninck, 1965
                                                                                                           Genus # Xennella - Cobb, 1920
                                                           Order # Desmoscolecida - Filipjev, 1929
                                                                                   Family # Desmoscolecidae - Shipley, 1893
                                                                                                           Genus # Calligyrus - Lorenzen, 1969
                                                                                                           Genus # Demanema - Timm, 1970
                                                                                                           Genus # Desmoscolex - Claporede, 1863
                                                                                                           Genus # Greeffiella - Cobb, 1922
                                                                                                           Genus # Hapalomus - Lorenzen, 1969
                                                                                                           Genus # Paratricoma - Gerlach, 1956
                                                                                                           Genus # Pareudesmoscolex - Weischer, 1962
                                                                                                           Genus # Progreeffiella - Timm, 1970
                                                                                                           Genus # Protodesmoscolex - Timm, 1970
                                                                                                           Genus # Prototricoma - Timm, 1970
                                                                                                           Genus # Protricoma - Timm, 1970
                                                                                                           Genus # Protricomoides - Timm, 1970
                                                                                                           Genus # Quadricoma - Filipjev, 1922
                                                                                                           Genus # Tricoma - Cobb, 1894
                                                                                   Family # Greeffiellidae -  
                                                                                   Family # Meyliidae - De Coninck, 1965
                                                           Order # Monhysterida -  
                                                                                   Family # Aponchiidae - Gerlach, 1963
                                                                                                           Genus # Aponchium - Cobb, 1920
                                                                                                           Genus # Synonema -  
                                                                                   Family # Linhomoeidae - Filipjev, 1922
                                                                                                           Genus # Allgenia - Strand, 1934
                                                                                                           Genus # Anticyathus - Cobb, 1920
                                                                                                           Genus # Anticyclus - Cobb, 1920
                                                                                                           Genus # Aponcholaimus - Allgen, 1957
                                                                                                           Genus # Bathylaimella - Allgen, 1930
                                                                                                           Genus # Chloronemella - Allgen, 1929
                                                                                                           Genus # Coninckia - Gerlach, 1956
                                                                                                           Genus # Cryptolaimus - Cobb, 1933
                                                                                                           Genus # Desmolaimus - De Man, 1880
                                                                                                           Genus # Didelta - Cobb, 1920
                                                                                                           Genus # Disconema - Filipjev, 1918
                                                                                                           Genus # Eleutherolaimus - Filipjev, 1922
                                                                                                           Genus # Eumorpholaimus - Schulz, 1932
                                                                                                           Genus # Filipjeviella - Allgen, 1935
                                                                                                           Genus # Halicylindrolaimus - Allgen, 1959
                                                                                                           Genus # Halinema - Cobb, 1920
                                                                                                           Genus # Linhomoella - Cobb, 1920
                                                                                                           Genus # Linhomoeus - Bastain, 1865
                                                                                                           Genus # Metalaimus - Kreis, 1928
                                                                                                           Genus # Metalinhomoeus - De Man, 1907
                                                                                                           Genus # Monhysteroides - Timm, 1961
                                                                                                           Genus # Nijhoffia - Allgen, 1935
                                                                                                           Genus # Pandolaimus - Allgen, 1929
                                                                                                           Genus # Paraegialoalaimus - Allgen, 1934
                                                                                                           Genus # Paralinhomoeus - De Man, 1907
                                                                                                           Genus # Perilinhomoeus - Stekhoven, 1950
                                                                                                           Genus # Prolinhomoeus - Timm, 1961
                                                                                                           Genus # Prosphaerolaimus - Filipjev, 1918
                                                                                                           Genus # Sarsonia - Gerlach, 1967
                                                                                                           Genus # Sphaerocephalum - Filipjev, 1918
                                                                                                           Genus # Terschellingia - De Man, 1888
                                                                                                           Genus # Terschellingioides - Timm, 1967
                                                                                                           Genus # Tubolaimoides - Gerlach, 1963
                                                                                   Family # Monhysteridae - De Man, 1876
                                                                                                           Genus # Amphimonhystera -  
                                                                                                           Genus # Amphimonhystrella - Timm, 1961
                                                                                                           Genus # Austronema - Cobb, 1914
                                                                                                           Genus # Branchinema - Farooqui, 1967
                                                                                                           Genus # Cenolaimus - Cobb, 1933
                                                                                                           Genus # Cobbia - De Man, 1907
                                                                                                           Genus # Cylindrotheristus -  
                                                                                                           Genus # Dactylaimus - Cobb, 1920
                                                                                                           Genus # Diplolaimella - Allgen, 1929
                                                                                                           Genus # Diplolaimelloides - Meyl, 1954
                                                                                                           Genus # Echinotheristus - Thun and Riemann, 1967
                                                                                                           Genus # Elzalia - Gerlach, 1957
                                                                                                           Genus # Filipjeva - Ditlevsen, 1928
                                                                                                           Genus # Gammarinema - Kinne and Gerlach, 1953
                                                                                                           Genus # Gonionchus - Cobb, 1920
                                                                                                           Genus # Hofmaenneria -  
                                                                                                           Genus # Litotes - Cobb, 1920
                                                                                                           Genus # Longilaimus - Allgen, 1958
                                                                                                           Genus # Megalamphis - De Coninck, 1965
                                                                                                           Genus # Mesotheristus -  
                                                                                                           Genus # Metadesmolaimus - Stekhoven, 1935
                                                                                                           Genus # Monhystera - Bastian, 1865
                                                                                                           Genus # Monhystrella - Cobb, 1918
                                                                                                           Genus # Monhystrium - Cobb, 1920
                                                                                                           Genus # Odontobius - Roussel De Vauzeme, 1834
                                                                                                           Genus # Omicronema - Cobb, 1920
                                                                                                           Genus # Paramonohystera - Steiner, 1916
                                                                                                           Genus # Promonhystera - Wieser, 1956
                                                                                                           Genus # Pseudosteineria - Wieser, 1956
                                                                                                           Genus # Pseudotheristus - Wieser, 1956
                                                                                                           Genus # Pulchranemella - Cobb, 1933
                                                                                                           Genus # Rhynchonema -  
                                                                                                           Genus # Sitadevinema - Khera, 1971
                                                                                                           Genus # Sphaerotheristus - Timm, 1968
                                                                                                           Genus # Spiramphinema - Wieser, 1956
                                                                                                           Genus # Spirotheristus - Timm, 1961
                                                                                                           Genus # Steineria - Micoletzky, 1922
                                                                                                           Genus # Theristus -  
                                                                                                           Genus # Trichotheristus - Wieser, 1956
                                                                                                           Genus # Tripylium - Cobb, 1920
                                                                                                           Genus # Tubolaimus - Allgen, 1929
                                                                                                           Genus # Wieserius - Chitwood and Murphy, 1964
                                                                                                           Genus # Xenolaimus - Cobb, 1920
                                                                                                           Genus # Xyala -  
                                                                                                           Genus # Zygonemella - Cobb, 1920
                                                                                   Family # Scaptrellidae -  
                                                                                                           Genus # Scaptrella - Cobb, 1917
                                                                                   Family # Siphonolaimidae -  
                                                                                                           Genus # Cyartonema - Cobb, 1920
                                                                                                           Genus # Paraterschellingia - Kreis In Stekhoven, 1924
                                                                                                           Genus # Siphonolaimus - De Manm, 1893
                                                                                                           Genus # Solenolaimus - Cobb, 1894
                                                                                                           Genus # Southernia - Allgen, 1929
                                                                                   Family # Sphaerolaimidae -  
                                                                                                           Genus # Buccolaimus - Allgen, 1959
                                                                                                           Genus # Doliolaimus - Lorenzen, 1966
                                                                                                           Genus # Sphaerolaimus - Bastian, 1865
                                   Class # Dorylaimea -  
                                                           Order # Dorylaimida -  
                                                                                   Family # Actinolaimidae -  
                                                                                                           Genus # Actinolaimoides -  
                                                                                                           Genus # Actinolaimus -  
                                                                                   Family # Alaimidae - Micoletzky, 1922
                                                                                                           Genus # Adorus - Cobb In Thorne, 1039
                                                                                                           Genus # Alaimus - De Man, 1880
                                                                                                           Genus # Amphidelus - Thorne, 1939
                                                                                   Family # Anatonchidae -  
                                                                                                           Genus # Anatonchus - Cobb, 1916
                                                                                                           Genus # Miconchus -  
                                                                                   Family # Bathyodontidae -  
                                                                                                           Genus # Bathyodontus -  
                                                                                   Family # Belondiridae -  
                                                                                                           Genus # Axonchium -  
                                                                                                           Genus # Belondira -  
                                                                                                           Genus # Swangeria -  
                                                                                   Family # Campgdoridae -  
                                                                                                           Genus # Campydora -  
                                                                                                           Genus # Tyleptus -  
                                                                                   Family # Carcharolaimidae -  
                                                                                                           Genus # Antholaimus -  
                                                                                                           Genus # Carcharolaimus -  
                                                                                                           Genus # Caribenema -  
                                                                                                           Genus # Caryboca -  
                                                                                                           Genus # Mylodiscoides -  
                                                                                                           Genus # Mylodiscus -  
                                                                                   Family # Cobbonchidae -  
                                                                                                           Genus # Cobbonchus -  
                                                                                   Family # Diphterophoridae -  
                                                                                                           Genus # Diphtherophora -  
                                                                                   Family # Dorylaimidae -  
                                                                                                           Genus # Amphidorylaimus -  
                                                                                                           Genus # Aporcelaimus -  
                                                                                                           Genus # Chrysonema -  
                                                                                                           Genus # Discolaimium -  
                                                                                                           Genus # Discolaimus -  
                                                                                                           Genus # Discomyctus -  
                                                                                                           Genus # Dolicholaimus - De Man, 1888
                                                                                                           Genus # Dorylaimellus -  
                                                                                                           Genus # Dorylaimus -  
                                                                                                           Genus # Drepandorus -  
                                                                                                           Genus # Enchodelus -  
                                                                                                           Genus # Eudorylaimus -  
                                                                                                           Genus # Labronema -  
                                                                                                           Genus # Longidorella -  
                                                                                                           Genus # Lordellonema -  
                                                                                                           Genus # Mesodorylaimus -  
                                                                                                           Genus # Metactinolaimus -  
                                                                                                           Genus # Meylonema -  
                                                                                                           Genus # Miranema -  
                                                                                                           Genus # Paractinolaimus -  
                                                                                                           Genus # Prodorylaimus -  
                                                                                                           Genus # Pungentus -  
                                                                                                           Genus # Thorneela -  
                                                                                                           Genus # Thornenema -  
                                                                                                           Genus # Thornia -  
                                                                                                           Genus # Tylencholaimus -  
                                                                                                           Genus # Utahnema -  
                                                                                                           Genus # Xiphinemella -  
                                                                                   Family # Iotonchusidae -  
                                                                                                           Genus # Iotonchus -  
                                                                                   Family # Leptonchidae -  
                                                                                                           Genus # Dorylaimoides -  
                                                                                                           Genus # Funaria -  
                                                                                                           Genus # Leptonchus -  
                                                                                                           Genus # Proleptonchus -  
                                                                                   Family # Longidoridae -  
                                                                                                           Genus # Longidorus -  
                                                                                                           Genus # Xiphinema -  
                                                                                   Family # Mononchidae -  
                                                                                                           Genus # Brachonchulus -  
                                                                                                           Genus # Granonchulus -  
                                                                                                           Genus # Judonchulus -  
                                                                                                           Genus # Mononchus - Bastian, 1865
                                                                                                           Genus # Mylonchulus -  
                                                                                                           Genus # Prionchulus -  
                                                                                                           Genus # Sporonchulus -  
                                                                                   Family # Mononchulidae -  
                                                                                                           Genus # Mononchulus -  
                                                                                                           Genus # Oionchus - Cobb, 1913
                                                                                                           Genus # Rahmium -  
                                                                                   Family # Nygolaimellidae -  
                                                                                                           Genus # Nygolaimellus -  
                                                                                                           Genus # Nygolaimium -  
                                                                                   Family # Nygolaimidae -  
                                                                                                           Genus # Nygellus -  
                                                                                                           Genus # Nygolaimoides -  
                                                                                                           Genus # Nygolaimus -  
                                                                                                           Genus # Sectonema -  
                                                                                   Family # Opailaimidae -  
                                                                                                           Genus # Opailaimus -  
                                                                                                           Genus # Ottolaimus -  
                                                                                   Family # Oxydiridae -  
                                                                                                           Genus # Mitoaxonchium -  
                                                                                                           Genus # Oxydirus -  
                                                                                   Family # Trachypleurosidae -  
                                                                                                           Genus # Trachactinolaimus -  
                                                                                                           Genus # Trachypleurosum -  
                                                                                   Family # Trichodoridae -  
                                                                                                           Genus # Paratrichodorus - Siddiqi, 1973
                                                                                                           Genus # Trichodorus -  
                                                                                   Family # Tylencholaimellidae -  
                                                                                                           Genus # Aulolaimina -  
                                                                                                           Genus # Aulolaimoides -  
                                                                                                           Genus # Dorella -  
                                                                                                           Genus # Doryllium -  
                                                                                                           Genus # Phellonema -  
                                                                                                           Genus # Tylencholaimellus -  
                                                           Order # Mermithida -  
                                                                                   Family # Mermithidae -  
                                                                                                           Genus # Aranimermis - Poinar and Petersen, 1986
                                                                                                           Genus # Capitomermis - Rubtsov, 1968
                                                                                                           Genus # Culicimermis - Rubtsov and Isaeva, 1975
                                                                                                           Genus # Drilomermis - Poinar and Petersen, 1978
                                                                                                           Genus # Empidomermis - Poinar, 1977
                                                                                                           Genus # Gastromermis - Micoletzky, 1923
                                                                                                           Genus # Heleidomermis - Rubtsov, 1970
                                                                                                           Genus # Hydromermis - Corti, 1902
                                                                                                           Genus # Isomermis - Coman, 1953
                                                                                                           Genus # Lanceimermis - Artyukhovsky, 1969
                                                                                                           Genus # Limnomermis - Daday, 1911
                                                                                                           Genus # Mermis -  
                                                                                                           Genus # Mesomermis - Daday, 1911
                                                                                                           Genus # Octomyomermis - Johnson, 1963
                                                                                                           Genus # Perutilimermis - Nickle, 1972
                                                                                                           Genus # Pheromermis - Poinar, Lane, Thomas, 1967
                                                                                                           Genus # Pseudomermis - De Man, 1903
                                                                                                           Genus # Romanomermis - Coman, 1961
                                                                                                           Genus # Strelkovimermis - Rubtsov, 1969
                                                                                                           Genus # Vetus -  
                                                                                   Family # Tetradonematidae -  
                                                           Order # Muspiceida -  
                                                                                   Family # Muspiceidae -  
                                                                                   Family # Phlyctainophoridae -  
                                                                                   Family # Robertdollfusidae -  
                                                           Order # Trichocephalida -  
                                                                                   Family # Cystoopsidae -  
                                                                                                           Genus # Cystoopsis -  
                                                                                   Family # Trichinellidae -  
                                                                                   Family # Trichuridae -  
                                                                                                           Genus # Capilaria -  
                                                                                                           Genus # Hepaticola -  
                                                                                                           Genus # Skrjabinocapillaria -  
                                                                                                           Genus # Thominx -  
                                                                 Suborder # Dioctophymatina -  
                                                                                   Family # Soboliphymidae -  
                                   Class # Enoplea -  
                                         Subclass # Enoplia -  
                                                           Order # Enoplida - Filipjev, 1929
                                                                                   Family # Anoplostomatidae -  
                                                                                                           Genus # Anoplostoma - Butschli, 1874
                                                                                   Family # Anticomidae - Filipjev, 1918
                                                                                                           Genus # Anticoma - Bastian, 1865
                                                                                                           Genus # Anticomopsis - Micoletzky, 1930
                                                                                                           Genus # Antopus - Cobb, 1933
                                                                                                           Genus # Paranticoma - Micoletzky, 1930
                                                                                   Family # Cryptonchidae - Chitwood, 1969
                                                                                                           Genus # Cryptonchus - Sujul, 1969
                                                                                   Family # Enoplidae - Dujardin, 1845
                                                                                                           Genus # Africanthion - Inglis, 1964
                                                                                                           Genus # Chaetonema - Filipjev, 1927
                                                                                                           Genus # Cryptenoplus - Riemann, 1966
                                                                                                           Genus # Donsinema - Allgen, 1949
                                                                                                           Genus # Enoploides - Ssaweljev, 1912
                                                                                                           Genus # Enoplolaimus - De Man, 1893
                                                                                                           Genus # Enoplus - Dujardin, 1845
                                                                                                           Genus # Epacanthion - Wieser, 1953
                                                                                                           Genus # Fenestrolaimus - Filipjev, 1927
                                                                                                           Genus # Filipjevia - Kreis, 1928
                                                                                                           Genus # Hyptiolaimus - Cobb, 1930
                                                                                                           Genus # Lineolia -  
                                                                                                           Genus # Mesacanthion - Filipjev, 1927
                                                                                                           Genus # Mesacanthoides - Wieser, 1953
                                                                                                           Genus # Metenoploides - Wieser, 1953
                                                                                                           Genus # Oxyonchus - Filipjev, 1927
                                                                                                           Genus # Paramesacanthion - Wieser, 1953
                                                                                                           Genus # Parasaveljevia - Wieser, 1953
                                                                                                           Genus # Parenoplus - Filipjev, 1927
                                                                                                           Genus # Ruamowhitia - Yeates, 1967
                                                                                                           Genus # Saveljevia - Filipjev, 1927
                                                                                                           Genus # Trichenoplus - Mawson, 1956
                                                                                                           Genus # Trileptium - Cobb, 1933
                                                                                   Family # Eurystominidae -  
                                                                                                           Genus # Eurystomina -  
                                                                                                           Genus # Polygastrophora - Man, 1922
                                                                                   Family # Ironidae - De Man, 1876
                                                                                                           Genus # Conilia - Gerlach, 1956
                                                                                                           Genus # Enoplochilus - Kreis, 1932
                                                                                                           Genus # Ironella - Cobb, 1920
                                                                                                           Genus # Ironus - Bastian, 1865
                                                                                                           Genus # Parironus - Micoletzky, 1930
                                                                                                           Genus # Pheronous - Inglis, 1966
                                                                                                           Genus # Thalassironus - De Man, 1889
                                                                                                           Genus # Trissonchulus - Cobb, 1920
                                                                                   Family # Lauratonematidae - Gerlach, 1953
                                                                                                           Genus # Lauratonema - Gerlqch, 1953
                                                                                                           Genus # Lauratonemoides - De Coninck, 1965
                                                                                   Family # Leptosomatidae -  
                                                                                                           Genus # Barbonema - Filipjev, 1927
                                                                                                           Genus # Corythostoma - Hope and Murphy, 1972
                                                                                                           Genus # Cylicolaimus - De Man, 1889
                                                                                                           Genus # Deontostoma - Filipjev, 1916
                                                                                                           Genus # Eusynonchus - Platonova, 1970
                                                                                                           Genus # Leptosomatides - Filipjev, 1918
                                                                                                           Genus # Leptosomatina - Allgen, 1951
                                                                                                           Genus # Leptosomatum - Bastian, 1865
                                                                                                           Genus # Leptosomella - Filipjev, 1927
                                                                                                           Genus # Macronchus - Inglis, 1964
                                                                                                           Genus # Metacylicolaimus - Stekhoven, 1046
                                                                                                           Genus # Parabarbonema - Inglis, 1964
                                                                                                           Genus # Paracylicolaimus - Platonova, 1970
                                                                                                           Genus # Paraleptosomatides - Mawson, 1956
                                                                                                           Genus # Paratuerkiana - Platonova, 1970
                                                                                                           Genus # Platycoma - Cobb, 1894
                                                                                                           Genus # Platycomopsis - Ditlevsen, 1926
                                                                                                           Genus # Pseudocella - Filipjev, 1927
                                                                                                           Genus # Ritenbenkia - Allgen, 1957
                                                                                                           Genus # Synonchoides - Wieser, 1956
                                                                                                           Genus # Synonchus - Wieser, 1956
                                                                                                           Genus # Syringonomus - Hope and Murphy, 1969
                                                                                                           Genus # Thoracostoma - Marion, 1870
                                                                                                           Genus # Turbolaimella - Cobb, 1933
                                                                                   Family # Oncholaimidae - Filipjev, 1916
                                                                                                           Genus # Adoncholaimus - Filipjev, 1918
                                                                                                           Genus # Anoncholaimus - Cobb, 1920
                                                                                                           Genus # Asymmetrella - Cobb, 1920
                                                                                                           Genus # Bradybucca - Stekhoven, 1956
                                                                                                           Genus # Cacolaimus - Kreis, 1932
                                                                                                           Genus # Convexolaimus - Kreis, 1928
                                                                                                           Genus # Curvolaimus - Wieser, 1953
                                                                                                           Genus # Dioncholaimus - Kreis, 1932
                                                                                                           Genus # Filoncholaimus - Filipjev, 1927
                                                                                                           Genus # Fimbrilla - Cobb In Stiles and Hassal, 1905
                                                                                                           Genus # Krampia - Ditlevsen, 1921
                                                                                                           Genus # Kreisoncholaimus - Rachor, 1969
                                                                                                           Genus # Meroviscosia - Kreis, 1932
                                                                                                           Genus # Metaparoncholaimus - De Coninck and Stekhoven, 1933
                                                                                                           Genus # Metoncholaimoides - Wieser, 1953
                                                                                                           Genus # Metoncholaimus - Filipjev, 1918
                                                                                                           Genus # Meyersia - Hopper, 1967
                                                                                                           Genus # Mononcholaimus - Kreis, 1924
                                                                                                           Genus # Octonchus - Clark, 1961
                                                                                                           Genus # Oncholaimelloides - Timm, 1969
                                                                                                           Genus # Oncholaimellus - De Man, 1890
                                                                                                           Genus # Oncholaimoides - Chitwood, 1937
                                                                                                           Genus # Oncholaimus - Dujardin, 1845
                                                                                                           Genus # Paradoncholaimus - Kreis, 1932
                                                                                                           Genus # Pelagonema - Cobb, 1894
                                                                                                           Genus # Phaeonocholaimus - Kreis, 1934
                                                                                                           Genus # Pontonema - Leidy, 1855
                                                                                                           Genus # Prooncholaimus - Micoletzky, 1924
                                                                                                           Genus # Pseudopelagonema - Kreis, 1932
                                                                                                           Genus # Vasculonema - Kreis, 1928
                                                                                                           Genus # Viscosia - De Man, 1890
                                                                                                           Genus # Wiesoncholaimus - Inglis, 1966
                                                                                   Family # Onchulidae -  
                                                                                                           Genus # Kinonchulus - Riemann, 1972
                                                                                   Family # Oxystominidae - Chitwood, 1935
                                                                                                           Genus # Angustinema - Cobb, 1933
                                                                                                           Genus # Halalaimus - De Man, 1888
                                                                                                           Genus # Litinium - Cobb, 1920
                                                                                                           Genus # Maldivea - Gerlach, 1962
                                                                                                           Genus # Nemacoma - Hope and Murphy, 1972
                                                                                                           Genus # Nemanema - Cobb, 1920
                                                                                                           Genus # Oxystomina - Filipjev, 1921
                                                                                                           Genus # Paroxystomina - Micoletzky, 1924
                                                                                                           Genus # Porocoma - Cobb, 1920
                                                                                                           Genus # Thalassoalaimus - De Man, 1893
                                                                                   Family # Phanodermatidae - Filipjev, 1927
                                                                                                           Genus # Crenopharynx - Filipjev, 1934
                                                                                                           Genus # Dayellus - Inglis, 1964
                                                                                                           Genus # Klugea - Filipjev, 1927
                                                                                                           Genus # Micoletzkyia - Ditlevsen, 1926
                                                                                                           Genus # Paraphanoderma - Inglis, 1971
                                                                                                           Genus # Phanoderma - Bastian, 1865
                                                                                                           Genus # Phanodermella - Kreis, 1928
                                                                                                           Genus # Phanodermopsis - Ditlevsen, 1926
                                                                                   Family # Prismatolaimidae - Micoletzky, 1922
                                                                                                           Genus # Cyathonchus - Cobb, 1933
                                                                                                           Genus # Limonchulus - Andrassy, 1963
                                                                                                           Genus # Odontolaimus - Micoletzky, 1922
                                                                                                           Genus # Onchulus - Cobb, 1920
                                                                                                           Genus # Paronchulus - Altherr, 1972
                                                                                                           Genus # Prismatolaimus - De Man, 1880
                                                                                                           Genus # Pseudonchulus - Altherr, 1972
                                                                                                           Genus # Stenonchulus - W. Schneider, 1940
                                                                                   Family # Rhabdodemaniidae - Filipjev, 1934
                                                                                                           Genus # Conistomella - Stekhoven, 1942
                                                                                                           Genus # Rhabdodemania - Baylis and Daubney, 1926
                                                                                   Family # Rhaptothyreidae -  
                                                                                   Family # Symplocostomatidae -  
                                                                                                           Genus # Calyptronema - Marion, 1870
                                                                                                           Genus # Symplocostoma - Bastian, 1865
                                                                                   Family # Synochidae -  
                                                                                   Family # Thoracostomopsidae - De Coninck, 1965
                                                                                                           Genus # Euthoracostomopsis -  
                                                                                                           Genus # Thoracostomopsis - Ditlevsen, 1918
                                                                                   Family # Trefusiidae - Gerlach, 1966
                                                                                                           Genus # Alaimonemella - Allgen, 1935
                                                                                                           Genus # Cytolaimium - Cobb, 1920
                                                                                                           Genus # Halanonchus - Cobb, 1020
                                                                                                           Genus # Rhabdocoma - Cobb, 1920
                                                                                                           Genus # Trefusia - De Man, 1893
                                                                                   Family # Triodontolaimidae - De Coninck, 1965
                                                                                                           Genus # Triodontolaimus - De Man, 1893
                                                                                   Family # Tripylidae - De Man, 1879
                                                                                                           Genus # Abunema - Khera, 1971
                                                                                                           Genus # Anguillula -  
                                                                                                           Genus # Monochromadora - Goodey, 1951
                                                                                                           Genus # Paratripyla - Brzeski, 1964
                                                                                                           Genus # Sinanema - Andrassy, 1960
                                                                                                           Genus # Tobrilia - Andrassy, 1967
                                                                                                           Genus # Tobriloides - Loof, 1973
                                                                                                           Genus # Tobrilus - Andrassy, 1959
                                                                                                           Genus # Tripyla - Bastian, 1865
                                                                                                           Genus # Trischistoma - Cobb, 1913
                                                                                                           Genus # Udonchus - Cobb, 1913
                 Phylum # Nematomorpha - Vejdovsky, 1886
                                                           Order # Gordioidea - Rauther, 1930
                                                                                   Family # Chordodidae - May, 1919
                                                                                                           Genus # Beatogordius - Heinze, 1934
                                                                                                           Genus # Gordionus - Müller, 1927
                                                                                                           Genus # Parachordodes - Camerano, 1897
                                                                                                           Genus # Paragordionus - Heinze, 1935
                                                                                                           Genus # Semigordionus - Heinze, 1952
                                                                                         Subfamily # Chordodinae - Heinze, 1935
                                                                                                           Genus # Chordodes - Creplin, 1847
                                                                                                           Genus # Dacochordodes - Capuse, 1965
                                                                                                           Genus # Euchordodes - Heinze, 1937
                                                                                                           Genus # Lanochordodes - Kirjanova, 1950
                                                                                                           Genus # Neochordodes - Carvalho, 1942
                                                                                                           Genus # Noteochordodes - Miralles and Villalobos, 2000
                                                                                                           Genus # Pantachordodes - Heinze, 1954
                                                                                                           Genus # Pseudochordodes - Carvalho, 1942
                                                                                                           Genus # Spinochordodes - Kirjanova, 1950
                                                                                         Subfamily # Paragordiinae -  
                                                                                                           Genus # Digordius - Kirjanova, 1950
                                                                                                           Genus # Paragordius - Camerano, 1897
                                                                                                           Genus # Progordius - Kirjanova, 1950
                                                                                                           Genus # Pseudogordius - Yeh and Jordan, 1957
                                                                                   Family # Gordiidae - May, 1919
                                                                                                           Genus # Acutogordius - Heinze, 1952
                                                                                                           Genus # Gordius - Linnaeus, 1758
                                                           Order # Nectonematoidea - Rauther, 1930
                                                                                   Family # Nectonemidae - Ward, 1892
                                                                                                           Genus # Nectonema - Verrill, 1879
                 Phylum # Onychophora - Grube, 1853
                                                                                   Family # Peripatidae - Evans, 1901
                                                                                                           Genus # Cerradopatus - Oliveira, Lacorte, Weck-Heimann, Cordeiro, Wieloch and Mayer, 2015
                                                                                                           Genus # Eoperipatus - Evans, 1901
                                                                                                           Genus # Epiperipatus - Clark, 1913
                                                                                                           Genus # Heteroperipatus - Zilch, 1954
                                                                                                           Genus # Macroperipatus - Clark, 1913
                                                                                                           Genus # Mesoperipatus - Evans, 1901
                                                                                                           Genus # Mongeperipatus - Barquero-González et al., 2020
                                                                                                           Genus # Oroperipatus - Cockerell, 1908
                                                                                                           Genus # Peripatus - Guilding, 1826
                                                                                                           Genus # Plicatoperipatus - Clark, 1913
                                                                                                           Genus # Principapillatus - Oliveira, Franke, Hering, Schaffer, Rowell, Weck-Heimann, Monge-Nájera, Morera-Brenes et al., 2012
                                                                                                           Genus # Speleoperipatus - Peck, 1975
                                                                                                           Genus # Typhloperipatus - Kemp, 1913
                                                                                   Family # Peripatopsidae - Bouvier, 1905
                                                                                                           Genus # Acanthokara - Reid, 1996
                                                                                                           Genus # Aethrikos - Reid, 1996
                                                                                                           Genus # Aktinothele - Reid, 1996
                                                                                                           Genus # Anoplokaros - Reid, 1996
                                                                                                           Genus # Austroperipatus - Baehr, 1977
                                                                                                           Genus # Baeothele - Reid, 1996
                                                                                                           Genus # Centorumis - Reid, 1996
                                                                                                           Genus # Cephalofovea - Ruhberg, Tait, Briscoe and Storch, 1988
                                                                                                           Genus # Critolaus - Reid, 1996
                                                                                                           Genus # Dactylothele - Reid, 1996
                                                                                                           Genus # Diemenipatus - Oliveira, Ruhberg, Rowell and Mayer, 2018
                                                                                                           Genus # Dystactotylos - Reid, 1996
                                                                                                           Genus # Euperipatoides - Ruhberg, 1985
                                                                                                           Genus # Florelliceps - Tait and Norman, 2001
                                                                                                           Genus # Hylonomoipos - Reid, 1996
                                                                                                           Genus # Konothele - Reid, 1996
                                                                                                           Genus # Kumbadjena - Reid, 2002
                                                                                                           Genus # Lathropatus - Reid, 2000
                                                                                                           Genus # Leucopatus - Oliveira, Ruhberg, Rowell and Mayer, 2018
                                                                                                           Genus # Leuropezos - Reid, 1996
                                                                                                           Genus # Mantonipatus - Ruhberg, 1985
                                                                                                           Genus # Metaperipatus - Clark, 1913
                                                                                                           Genus # Minyplanetes - Reid, 1996
                                                                                                           Genus # Nodocapitus - Reid, 1996
                                                                                                           Genus # Occiperipatoides - Ruhberg, 1985
                                                                                                           Genus # Ooperipatellus - Ruhberg, 1985
                                                                                                           Genus # Ooperipatus - Dendy, 1900
                                                                                                           Genus # Opisthopatus - Purcell, 1899
                                                                                                           Genus # Paraperipatus - Willey, 1898
                                                                                                           Genus # Paropisthopatus - Ruhberg, 1985
                                                                                                           Genus # Peripatoides - Pocock, 1894
                                                                                                           Genus # Peripatopsis - Pocock, 1894
                                                                                                           Genus # Phallocephale - Reid, 1996
                                                                                                           Genus # Planipapillus - Reid, 1996
                                                                                                           Genus # Regimitra - Reid, 1996
                                                                                                           Genus # Ruhbergia - Reid, 1996
                                                                                                           Genus # Sphenoparme - Reid, 1996
                                                                                                           Genus # Tasmanipatus - Ruhberg, Mesibov, Briscoe and Tait, 1991
                                                                                                           Genus # Tetrameraden - Reid, 1996
                                                                                                           Genus # Vescerro - Reid, 1996
                                                                                                           Genus # Wambalana - Reid, 1996
                 Phylum # Priapula -  
                                                                                   Family # Chaetostephanidae - Salvini-Plawen, 1974
                                                                                                           Genus # Maccabeus - Por, 1973
                                                                                   Family # Priapulidae - Gosse, 1855
                                                                                                           Genus # Acanthopriapulus - van der Land, 1970
                                                                                                           Genus # Halicryptus - von Siebold, 1849
                                                                                                           Genus # Priapulopsis - Koren and Danielssen, 1875
                                                                                                           Genus # Priapulus - Lamarck, 1816
                                                                                   Family # Tubiluchidae - van der Land, 1970
                                                                                                           Genus # Meiopriapulus - Morse, 1981
                                                                                                           Genus # Tubiluchus - van der Land, 1968
                 Phylum # Tardigrada - Doyère, 1840
                                   Class # Eutardigrada - Richters, 1926
                                                           Order # Apochela - Schuster, Nelson, Grigarick and Christenberry, 1980
                                                                                   Family # Milnesiidae - Ramazzotti, 1962
                                                                                                           Genus # Bergtrollus - Dastych, 2011
                                                                                                           Genus # Limmenius - Horning, Schuster and Grigarick, 1978
                                                                                                           Genus # Milnesioides - Claxton, 1999
                                                                                                           Genus # Milnesium - Doyère, 1840
                                                           Order # Parachela - Schuster, Nelson, Grigarick and Christenberry, 1980
                                                                                   Family # Beornidae - Cooper, 1964
                                                                                                           Genus # Beorn - Cooper, 1964
                                                                                   Family # Necopinatidae - Ramazzotti and Maucci, 1983
                                                                                                           Genus # Necopinatum - Pilato, 1971
                                                                             Superfamily # Eohypsibioidea - Bertolani and Kristensen, 1987
                                                                                   Family # Eohypsibiidae - Bertolani and Kristensen, 1987
                                                                                                           Genus # Austeruseus - Trygvadóttir and Kristensen, 2011
                                                                                                           Genus # Bertolanius - Özdikmen, 2008
                                                                                                           Genus # Eohypsibius - Kristensen, 1982
                                                                             Superfamily # Hypsibioidea - Pilato, 1969
                                                                                   Family # Calohypsibiidae - Pilato, 1969
                                                                                                           Genus # Calohypsibius - Thulin, 1928
                                                                                   Family # Hypsibiidae - Pilato, 1969
                                                                                                           Genus # Acutuncus - Pilato and Binda, 1997
                                                                                                           Genus # Mixibius - Pilato, 1992
                                                                                         Subfamily # Diphasconinae - Dastych, 1992
                                                                                                           Genus # Diphascon - Plate, 1889
                                                                                                           Genus # Kararehius - Zawierucha, Stec and Shain in Zawierucha, Stec, Dearden and Shain, 2022
                                                                                                           Genus # Kopakaius - Zawierucha and Shain in Zawierucha, Stec, Dearden and Shain, 2022
                                                                                         Subfamily # Hypsibiinae - Pilato, 1969
                                                                                                           Genus # Borealibius - Pilato, Guidetti, Rebecchi, Lisi, Hansen and Bertolani, 2006
                                                                                                           Genus # Cryobiotus - Dastych, 2019
                                                                                                           Genus # Hypsibius - Ehrenberg, 1848
                                                                                         Subfamily # Itaquasconinae - Pilato, 1969
                                                                                                           Genus # Adropion - Pilato, 1987
                                                                                                           Genus # Astatumen - Pilato, 1997
                                                                                                           Genus # Bindius - Pilato, 2009
                                                                                                           Genus # Guidettion - Gasiorek and Michalczyk, 2020
                                                                                                           Genus # Insulobius - Gasiorek and Michalczyk, 2020
                                                                                                           Genus # Itaquascon - De Barros, 1939
                                                                                                           Genus # Meplitumen - Lisi, Daza, Londoño, Quiroga and Pilato, 2019
                                                                                                           Genus # Mesocrista - Pilato, 1987
                                                                                                           Genus # Parascon - Pilato and Binda, 1987
                                                                                                           Genus # Platicrista - Pilato, 1987
                                                                                                           Genus # Raribius - Gasiorek and Michalczyk, 2020
                                                                                                           Genus # Sarascon - Guil, Rodrigo and Machordom, 2014
                                                                                         Subfamily # Pilatobiinae - Bertolani, Guidetti, Marchioro, Altiero, Rebecchi and Cesari, 2014
                                                                                                           Genus # Notahypsibius - Tumanov, 2020
                                                                                                           Genus # Pilatobius - Bertolani, Guidetti, Marchioro, Altiero, Rebecchi and Cesari, 2014
                                                                                   Family # Microhypsibiidae - Pilato, 1998
                                                                                                           Genus # Microhypsibius - Thulin, 1928
                                                                                   Family # Ramazzottiidae - Sands, McInnes, Marley, Goodall-Copestake, Convey and Lisse, 2008
                                                                                                           Genus # Cryoconicus - Zawierucha, Stec, Lachowska-Cierlik, Takeuchi, Z. Li and Michalczyk, 2018
                                                                                                           Genus # Hebesuncus - Pilato, 1987
                                                                                                           Genus # Ramazzottius - Binda and Pilato, 1987
                                                                             Superfamily # Isohypsibioidea - Sands, McInnes, Marley, Goodall-Copestake, Convey and Lisse, 2008
                                                                                                           Genus # Thalerius - Dastych, 2009
                                                                                   Family # Doryphoribiidae - Gasiorek, Stec, Morek and Michalczyk, 2019
                                                                                                           Genus # Apodibius - Dastych, 1983
                                                                                                           Genus # Doryphoribius - Pilato, 1969
                                                                                                           Genus # Grevenius - Gasiorek, Stec, Morek and Michalczyk, 2019
                                                                                                           Genus # Paradiphascon - Dastych, 1992
                                                                                                           Genus # Paradoryphoribius - Mapalo, Robin, Boudinot, Ortega-Hernández and Barden, 2021
                                                                                                           Genus # Pseudobiotus - Nelson, 1980
                                                                                                           Genus # Thulinius - Bertolani, 2003
                                                                                   Family # Halobiotidae - Gasiorek, Stec, Morek and Michalczyk, 2019
                                                                                                           Genus # Halobiotus - Kristensen, 1982
                                                                                   Family # Hexapodibiidae - Cesari, Vecchi, Palmer, Bertolani, Pilato, Rebecchi and Guidetti, 2016
                                                                                                           Genus # Haplohexapodibius - Pilato and Beasley, 1987
                                                                                                           Genus # Haplomacrobiotus - May, 1948
                                                                                                           Genus # Hexapodibius - Pilato, 1969
                                                                                                           Genus # Parhexapodibius - Pilato, 1969
                                                                                   Family # Isohypsibiidae - Sands, McInnes, Marley, Goodall-Copestake, Convey and Lisse, 2008
                                                                                                           Genus # Dastychius - Pilato, 2013
                                                                                                           Genus # Dianea - Gasiorek, Stec, Morek and Michalczyk, 2019
                                                                                                           Genus # Eremobiotus - Biserov, 1992
                                                                                                           Genus # Fractonotus - Pilato, 1998
                                                                                                           Genus # Isohypsibius - Thulin, 1928
                                                                                                           Genus # Ursulinius - Gasiorek, Stec, Morek and Michalczyk, 2019
                                                                                                           Genus # Vladimirobius - Kaczmarek, Bartylak and Roszkowska, 2020
                                                                                                           Genus # Weglarskobius - Kaczmarek, Bartylak and Roszkowska, 2020
                                                                                   Family # Ramajendidae - Tumanov, 2022
                                                                                                           Genus # Ramajendas - Pilato and Binda, 1991
                                                                             Superfamily # Macrobiotoidea - Thulin, 1928
                                                                                   Family # Adorybiotidae - Stec, Vecchi and Michalczyk in Stec et al., 2020
                                                                                                           Genus # Adorybiotus - Maucci and Ramazzotti, 1981
                                                                                                           Genus # Crenubiotus - Lisi, Londoño and Quiroga, 2014
                                                                                   Family # Macrobiotidae - Thulin, 1928
                                                                                                           Genus # Biserovus - Guidetti and Pilato, 2003
                                                                                                           Genus # Calcarobiotus - Dastych, 1993
                                                                                                           Genus # Famelobiotus - Pilato, Binda and Lisi, 2004
                                                                                                           Genus # Insuetifurca - Guidetti and Pilato, 2003
                                                                                                           Genus # Macrobiotus - C. A. S. Schultze, 1834
                                                                                                           Genus # Mesobiotus - Vecchi, Cesari, Bertolani, Jonsson, Rebecchi and Guidetti, 2016
                                                                                                           Genus # Minibiotus - Schuster, 1980
                                                                                                           Genus # Minilentus - Guidetti and Pilato, 2003
                                                                                                           Genus # Paramacrobiotus - Guidetti, Schill, Bertolani, Dandekar and Wolff, 2009
                                                                                                           Genus # Pseudodiphascon - Ramazzotti, 1965
                                                                                                           Genus # Pseudohexapodibius - Bertolani and Biserov, 1996
                                                                                                           Genus # Schusterius - Kaczmarek and Michalczyk, 2006
                                                                                                           Genus # Sisubiotus - Stec, Vecchi, Calhim and Michalczyk, 2021
                                                                                                           Genus # Tenuibiotus - Pilato and Lisi, 2011
                                                                                                           Genus # Xerobiotus - Bertolani and Biserov, 1996
                                                                                   Family # Murrayidae - Guidetti, Rebecchi and Bertolani, 2000
                                                                                                           Genus # Dactylobiotus - Schuster in Schuster et al., 1980
                                                                                                           Genus # Macroversum - Pilato and Catanzaro, 1989
                                                                                                           Genus # Murrayon - Bertolani and Pilato, 1989
                                                                                   Family # Richtersiusidae - Guidetti, Schill, Giovannini, Massa, Goldoni, Ebel, Förschler, Rebecchi and Cesari, 2021
                                                                                                           Genus # Diaforobiotus - Guidetti, Rebecchi, Bertolani, Jönsson, Kristensen and Cesari, 2016
                                                                                                           Genus # Richtersius - Pilato and Binda, 1990
                                   Class # Heterotardigrada - Marcus, 1927
                                                           Order # Arthrotardigrada - Marcus, 1927
                                                                                   Family # Anisonychidae - Møbjerg, Jørgensen and Kristensen, 2019
                                                                                                           Genus # Anisonyches - Pollock, 1975
                                                                                   Family # Archechiniscidae - Binda, 1979
                                                                                                           Genus # Archechiniscus - Schulz, 1953
                                                                                   Family # Batillipedidae - Ramazzotti, 1962
                                                                                                           Genus # Batillipes - Richters, 1909
                                                                                   Family # Coronarctidae - Renaud-Mornant, 1974
                                                                                                           Genus # Coronarctus - Renaud-Mornant, 1974
                                                                                                           Genus # Trogloarctus - Villora-Moreno, 1996
                                                                                   Family # Halechiniscidae - Thulin, 1928
                                                                                         Subfamily # Dipodarctinae - Pollock, 1995
                                                                                                           Genus # Dipodarctus - Pollock, 1995
                                                                                         Subfamily # Euclavarctinae - Renaud-Mornant, 1983
                                                                                                           Genus # Clavarctus - Renaud-Mornant, 1983
                                                                                                           Genus # Euclavarctus - Renaud-Mornant, 1975
                                                                                                           Genus # Exoclavarctus - Renaud-Mornant, 1983
                                                                                                           Genus # Moebjergarctus - Bussau, 1992
                                                                                                           Genus # Parmursa - Renaud-Mornant, 1984
                                                                                                           Genus # Proclavarctus - Renaud-Mornant, 1983
                                                                                         Subfamily # Florarctinae - Renaud-Mornant, 1982
                                                                                                           Genus # Florarctus - Delamare Deboutteville and Renaud-Mornant, 1965
                                                                                                           Genus # Higginsarctus - Hansen and Kristensen, 2021
                                                                                                           Genus # Ligiarctus - Renaud-Mornant, 1982
                                                                                                           Genus # Wingstrandarctus - Kristensen, 1984
                                                                                         Subfamily # Halechiniscinae - Thulin, 1928
                                                                                                           Genus # Chrysoarctus - Renaud-Mornant, 1984
                                                                                                           Genus # Halechiniscus - Richters, 1908
                                                                                         Subfamily # Orzeliscinae - Schulz, 1963
                                                                                                           Genus # Mutaparadoxipus - Gross, W. Miller and Hochberg, 2014
                                                                                                           Genus # Opydorscus - Renaud-Mornant, 1989
                                                                                                           Genus # Orzeliscus - Du Bois-Reymond Marcus, 1952
                                                                                                           Genus # Paradoxipus - Kristensen and Higgins, 1989
                                                                                         Subfamily # Quisarctinae - Fujimoto, 2015
                                                                                                           Genus # Quisarctus - Fujimoto, 2015
                                                                                   Family # Neoarctidae - de Zio Grimaldi, M. Gallo D'Addabbo and Morone De Lucia, 1992
                                                                                                           Genus # Neoarctus - de Zio Grimaldi, M. Gallo D'Addabbo and Morone De Lucia, 1992
                                                                                   Family # Neostygarctidae - de Zio Grimaldi, M. Gallo D'Addabbo and Morone De Lucia, 1987
                                                                                                           Genus # Neostygarctus - de Zio Grimaldi, M. Gallo D'Addabbo and Morone De Lucia, 1982
                                                                                   Family # Renaudarctidae - Kristensen and Higgins, 1984
                                                                                                           Genus # Nodarctus - Fujimoto and Yamasaki, 2017
                                                                                                           Genus # Renaudarctus - Kristensen and Higgins, 1984
                                                                                   Family # Stygarctidae - Schulz, 1951
                                                                                         Subfamily # Megastygarctidinae - Bello and de Zio Grimaldi, 1999
                                                                                                           Genus # Megastygarctides - McKirdy, Schmidt and McGinty-Bayly, 1976
                                                                                         Subfamily # Stygarctinae - Schulz, 1951
                                                                                                           Genus # Faroestygarctus - Hansen, Kristensen and Jørgensen, 2012
                                                                                                           Genus # Hansenarctus - Fujimoto and Ohtsuka, 2019
                                                                                                           Genus # Mesostygarctus - Renaud-Mornant, 1979
                                                                                                           Genus # Parastygarctus - Renaud-Debyser, 1965
                                                                                                           Genus # Prostygarctus - Rubal, Veiga, Fontoura and Sousa-Pinto, 2013
                                                                                                           Genus # Pseudostygarctus - McKirdy, Schmidt and McGinty-Bayly, 1976
                                                                                                           Genus # Stygarctus - Schulz, 1951
                                                                                   Family # Styraconyxidae - Kristensen and Renaud-Mornant, 1983
                                                                                                           Genus # Angursa - Pollock, 1979
                                                                                                           Genus # Bathyechiniscus - Steiner, 1926
                                                                                                           Genus # Cyaegharctus - Fujimoto and Jimi, 2020
                                                                                                           Genus # Lepoarctus - Kristensen and Renaud-Mornant, 1983
                                                                                                           Genus # Paratanarctus - M. Gallo D'Addabbo, de Zio Grimaldi, Morone De Lucia and Troccoli, 1992
                                                                                                           Genus # Pleocola - Cantacuzène, 1951
                                                                                                           Genus # Raiarctus - Renaud-Mornant, 1981
                                                                                                           Genus # Rhomboarctus - Renaud-Mornant, 1984
                                                                                                           Genus # Styraconyx - Thulin, 1942
                                                                                                           Genus # Tetrakentron - Cuénot, 1892
                                                                                                           Genus # Tholoarctus - Kristensen and Renaud-Mornant, 1983
                                                                                   Family # Tanarctidae - Renaud-Mornant, 1980
                                                                                                           Genus # Actinarctus - Schulz, 1935
                                                                                                           Genus # Tanarctus - Renaud-Debyser, 1959
                                                                                                           Genus # Zioella - Renaud-Mornant, 1987
                                                           Order # Echiniscoidea - Richters, 1926
                                                                                   Family # Carphanidae - Binda and Kristensen, 1986
                                                                                                           Genus # Carphania - Binda, 1979
                                                                                   Family # Echiniscidae - Thulin, 1928
                                                                                                           Genus # Acanthechiniscus - Vecchi, Cesari, Bertolani, Jonsson, Rebecchi and Guidetti, 2016
                                                                                                           Genus # Antechiniscus - Kristensen, 1987
                                                                                                           Genus # Barbaria - Michalczyk, Gasiorek, Morek and Stec in Gasiorek et al., 2019
                                                                                                           Genus # Bryochoerus - Marcus, 1936
                                                                                                           Genus # Bryodelphax - Thulin, 1928
                                                                                                           Genus # Claxtonia - Gasiorek and Michalczyk in Gasiorek et al., 2019
                                                                                                           Genus # Cornechiniscus - Maucci and Ramazzotti, 1981
                                                                                                           Genus # Diploechiniscus - Vicente, Fontoura, Cesari, Rebecchi, Guidetti, Serrano and Bertolani, 2013
                                                                                                           Genus # Echiniscus - C. A. S. Schultze, 1840
                                                                                                           Genus # Hypechiniscus - Thulin, 1928
                                                                                                           Genus # Kristenseniscus - Gasiorek, Morek, Stec and Michalczyk, 2019
                                                                                                           Genus # Mopsechiniscus - Du Bois-Reymond Marcus, 1944
                                                                                                           Genus # Multipseudechiniscus - Schulte and Miller, 2011
                                                                                                           Genus # Nebularmis - Gasiorek and Michalczyk in Gasiorek et al., 2019
                                                                                                           Genus # Novechiniscus - Kristensen, 1987
                                                                                                           Genus # Parechiniscus - Cuénot, 1926
                                                                                                           Genus # Proechiniscus - Kristensen, 1987
                                                                                                           Genus # Pseudechiniscus - Thulin, 1911
                                                                                                           Genus # Stellariscus - Gasiorek, Suzuki, Kristensen and Michalczyk in Gasiorek et al., 2018
                                                                                                           Genus # Testechiniscus - Kristensen, 1987
                                                                                                           Genus # Viridiscus - Gasiorek and Michalczyk in Gasiorek et al., 2019
                                                                                                           Genus # Zealandiscus - Kaczmarek and Roszkowska, 2021
                                                                                   Family # Echiniscoididae - Kristensen and Hallas, 1980
                                                                                         Subfamily # Echiniscoidinae - Kristensen and Hallas, 1980
                                                                                                           Genus # Echiniscoides - Plate, 1889
                                                                                                           Genus # Neoechiniscoides - Møbjerg, Jørgensen and Kristensen, 2019
                                                                                         Subfamily # Isoechiniscoidinae - Møbjerg, Jørgensen and Kristensen, 2016
                                                                                                           Genus # Isoechiniscoides - Møbjerg, Jørgensen and Kristensen, 2016
                                                                                   Family # Oreellidae - Ramazzotti, 1962
                                                                                                           Genus # Oreella - Murray, 1910
                                   Class # Mesotardigrada - Rahm, 1937
                                                           Order # Thermozodia - Ramazzotti and Maucci, 1983
                                                                                   Family # Thermozodiidae - Rahm, 1937
                                                                                                           Genus # Thermozodium - Rahm, 1937
               Superphylum # Spiralia -  
                 Phylum # Acanthocephala - Rudolphi, 1802
                                   Class # Archiacanthocephala - Meyer, 1931
                                                           Order # Apororhynchida - Thapar, 1927
                                                                                   Family # Apororhynchidae - Shipley, 1899
                                                                                                           Genus # Apororhynchus - Shipley, 1899
                                                           Order # Gigantorhynchida - Southwell and Macfie, 1925
                                                                                   Family # Giganthorhynchidae - Hamann, 1892
                                                                                                           Genus # Gigantorhynchus - Hamann, 1892
                                                                                                           Genus # Mediorhynchus - Van Cleave, 1916
                                                           Order # Moniliformida - Schmidt, 1972
                                                                                   Family # Moniliformidae - Van Cleave, 1924
                                                                                                           Genus # Australiformis - Schmidt and Edmonds, 1989
                                                                                                           Genus # Moniliformis - Travassos, 1915
                                                                                                           Genus # Promoniliformis - Dollfus and Golvan, 1963
                                                           Order # Oligacanthorhynchida - Petrochenko, 1956
                                                                                   Family # Oligacanthorhynchidae - Southwell and Macfie, 1925
                                                                                                           Genus # Cucullanorhynchus - Amin, Ha and Heckmann, 2008
                                                                                                           Genus # Heptamegacanthus - Spencer-Jones, 1990
                                                                                                           Genus # Macracanthorhynchus - Travassos, 1917
                                                                                                           Genus # Multisentis - Smales, 1997
                                                                                                           Genus # Neoncicola - Schmidt, 1972
                                                                                                           Genus # Nephridiacanthus - Meyer, 1931
                                                                                                           Genus # Oligacanthorhynchus - Travassos, 1915
                                                                                                           Genus # Oncicola - Travassos, 1916
                                                                                                           Genus # Pachysentis - Meyer, 1931
                                                                                                           Genus # Paraprosthenorchis - Amin, Ha and Heckmann, 2008
                                                                                                           Genus # Prosthenorchis - Travassos, 1915
                                                                                                           Genus # Tchadorhynchus - Troncy, 1970
                                   Class # Eoacanthocephala - Van Cleave, 1936
                                                           Order # Gyracanthocephala - Van Cleave, 1936
                                                                                   Family # Quadrigyridae - Van Cleave, 1920
                                                                                         Subfamily # Pallisentinae - Van Cleave, 1928
                                                                                                           Genus # Acanthogyrus - Thapar, 1927
                                                                                                           Genus # Palliolisentis - Machado-Filho, 1960
                                                                                                           Genus # Pallisentis - Van Cleave, 1928
                                                                                                           Genus # Pararaosentis - Amin, Heckmann, Ha, Luc and Doanh, 2000
                                                                                                           Genus # Raosentis - Datta, 1947
                                                                                                           Genus # Triaspiron - Smales, Aydogdu and Emre, 2012
                                                                                         Subfamily # Quadrigyrinae - Van Cleave, 1920
                                                                                                           Genus # Acanthodelta - Diaz-Ungria and Gracia-Rodrigo, 1958
                                                                                                           Genus # Machadosentis - Noronha, 1992
                                                                                                           Genus # Quadrigyrus - Van Cleave, 1920
                                                           Order # Neoechinorhynchida - Southwell and Macfie, 1925
                                                                                   Family # Dendronucleatidae - Sokolovskaja, 1962
                                                                                                           Genus # Dendronucleata - Sokolovskaja, 1962
                                                                                   Family # Neoechinorhynchidae - Ward, 1917
                                                                                         Subfamily # Atactorhynchinae - Petrochenko, 1956
                                                                                                           Genus # Atactorhynchus - Chandler, 1935
                                                                                                           Genus # Floridosentis - Ward, 1953
                                                                                                           Genus # Tanaorhamphus - Ward, 1918
                                                                                         Subfamily # Eocollinae - Petrochenko, 1956
                                                                                                           Genus # Eocollis - Van Cleave, 1947
                                                                                         Subfamily # Gracilisentinae - Petrochenko, 1956
                                                                                                           Genus # Gracilisentis - Van Cleave, 1919
                                                                                                           Genus # Pandosentis - Van Cleave, 1920
                                                                                                           Genus # Wolffhugelia - Mane-Garzon and Dei-Cas, 1974
                                                                                         Subfamily # Neoechinorhynchinae - Ward, 1917
                                                                                                           Genus # Dispiron - Bilqees, 1970
                                                                                                           Genus # Gorytocephalus - Nickol and Thatcher, 1971
                                                                                                           Genus # Hexaspiron - Dollfus and Golvan, 1956
                                                                                                           Genus # Microsentis - Martin and Multani, 1966
                                                                                                           Genus # Neoechinorhynchus - Stiles and Hassall, 1905
                                                                                                           Genus # Octospinifer - Van Cleave, 1919
                                                                                                           Genus # Octospiniferoides - Bullock, 1957
                                                                                                           Genus # Paraechinorhynchus - Bilqees and Khan, 1983
                                                                                                           Genus # Paulisentis - Van Cleave and Bangham, 1949
                                                                                                           Genus # Zeylanechinorhynchus - Fernando and Furtado, 1963
                                                                                   Family # Tenuisentidae - Van Cleave, 1936
                                                                                                           Genus # Paratenuisentis - Bullock and Samuel, 1975
                                                                                                           Genus # Tenuisentis - Van Cleave, 1936
                                   Class # Palaeacanthocephala - Meyer, 1931
                                                           Order # Echinorhynchida - Southwell and Macfie, 1925
                                                                                   Family # Arhythmacanthidae - Yamaguti, 1935
                                                                                                           Genus # Acanthocephaloides - Meyer, 1932
                                                                                                           Genus # Bolborhynchoides - Achmerov and Dombrovskaja-Achmerova, 1959
                                                                                                           Genus # Breizacanthus - Golvan, 1969
                                                                                                           Genus # Euzetacanthus - Golvan and Houin, 1964
                                                                                                           Genus # Heterosentis - Van Cleave, 1931
                                                                                                           Genus # Hypoechinorhynchus - Yamaguti, 1939
                                                                                                           Genus # Paracanthocephaloides - Golvan, 1969
                                                                                                           Genus # Solearhynchus - de Buron and Maillard, 1985
                                                                                                           Genus # Spiracanthus - Muñoz and George-Nascimento, 2002
                                                                                   Family # Cavisomidae - Meyer, 1932
                                                                                                           Genus # Caballerorhynchus - Salgado-Maldonado, 1977
                                                                                                           Genus # Cavisoma - Van Cleave, 1931
                                                                                                           Genus # Echinorhynchoides - Achmerov and Dombrovskaja-Achmerova, 1941
                                                                                                           Genus # Femogibbosus - Parukhin, 1973
                                                                                                           Genus # Filisoma - Van Cleave, 1928
                                                                                                           Genus # Megapriapus - Golvan, Gracia-Rodrigo and Diaz-Ungria, 1964
                                                                                                           Genus # Neorhadinorhynchus - Yamaguti, 1939
                                                                                                           Genus # Paracavisoma - Kritscher, 1957
                                                                                                           Genus # Pseudocavisoma - Golvan and Houin, 1964
                                                                                                           Genus # Rhadinorhynchoides - Fukui and Morisita, 1937
                                                                                   Family # Diplosentidae - Tubangui and Masiluñgan, 1937
                                                                                         Subfamily # Allorhadinorhynchinae - Golvan, 1969
                                                                                                           Genus # Allorhadinorhynchus - Yamaguti, 1959
                                                                                                           Genus # Golvanorhynchus - Noronha, Fabio and Pinto, 1978
                                                                                         Subfamily # Diplosentinae - Tubangui and Masiluñgan, 1937
                                                                                                           Genus # Amapacanthus - Salgado-Maldonado and Portes-Santos, 2000
                                                                                                           Genus # Diplosentis - Tubangui and Masiluñgan, 1937
                                                                                                           Genus # Pararhadinorhynchus - Johnston and Edmonds, 1947
                                                                                   Family # Echinorhynchidae - Cobbold, 1876
                                                                                         Subfamily # Circinatechinorhynchinae - Bhattacharya, 2007
                                                                                                           Genus # Circinatechinorhynchus - Bhattacharya, 2007
                                                                                         Subfamily # Echinorhynchinae - Cobbold, 1876
                                                                                                           Genus # Acanthocephalus - Koelreuter, 1771
                                                                                                           Genus # Anuracanthorhynchus - Bursey, Vrcibradic, Hatano and Rocha, 2006
                                                                                                           Genus # Brasacanthus - Thatcher, 2001
                                                                                                           Genus # Echinorhynchus - Zoega in Müller, 1776
                                                                                                           Genus # Frilloechinorhynchus - Bhattacharya, 2007
                                                                                                           Genus # Pilum - Williams, 1976
                                                                                                           Genus # Pseudoacanthocephalus - Petrochenko, 1956
                                                                                   Family # Fessisentidae - Van Cleave, 1931
                                                                                                           Genus # Fessisentis - Van Cleave, 1931
                                                                                   Family # Gymnorhadinorhynchidae - Braicovich, Lanfranchi, Farber, Marvaldi, Luque and Timi, 2014
                                                                                                           Genus # Gymnorhadinorhynchus - Braicovich, Lanfranchi, Farber, Marvaldi, Luque and Timi, 2014
                                                                                   Family # Heteracanthocephalidae - Petrochenko, 1956
                                                                                         Subfamily # Aspersentinae - Golvan, 1960
                                                                                                           Genus # Aspersentis - Van Cleave, 1929
                                                                                         Subfamily # Heteracanthocephalinae - Petrochenko, 1956
                                                                                                           Genus # Bullockrhynchus - Chandra, Hanumantha-Rao and Shyamasundari, 1985
                                                                                                           Genus # Sachalinorhynchus - Krotov and Petrochenko, 1956
                                                                                   Family # Illiosentidae - Golvan, 1960
                                                                                                           Genus # Brentisentis - Leotta, Schmidt and Kuntz, 1982
                                                                                                           Genus # Dentitruncus - Sinzar, 1955
                                                                                                           Genus # Dollfusentis - Golvan, 1969
                                                                                                           Genus # Goacanthus - Gupta and Jain, 1980
                                                                                                           Genus # Indorhynchus - Golvan, 1969
                                                                                                           Genus # Koronacantha - Monks and Pérez-Ponce de León, 1996
                                                                                                           Genus # Metarhadinorhynchus - Yamaguti, 1959
                                                                                                           Genus # Paradentitruncus - Moravec and Sey, 1989
                                                                                                           Genus # Pseudorhadinorhynchus - Achmerov and Dombrovskaja-Achmerova, 1941
                                                                                                           Genus # Tegorhynchus - Van Cleave, 1921
                                                                                                           Genus # Telosentis - Van Cleave, 1923
                                                                                   Family # Isthmosacanthidae - Smales, 2012
                                                                                                           Genus # Isthmosacanthus - Smales, 2012
                                                                                   Family # Pomphorhynchidae - Yamaguti, 1939
                                                                                                           Genus # Longicollum - Yamaguti, 1935
                                                                                                           Genus # Paralongicollum - Amin, Bauer and Sidorov, 1991
                                                                                                           Genus # Pomphorhynchus - Monticelli, 1905
                                                                                                           Genus # Pyriproboscis - Amin, Abdullah and Mhaisen, 2003
                                                                                                           Genus # Tenuiproboscis - Yamaguti, 1935
                                                                                   Family # Rhadinorhynchidae - Lühe, 1912
                                                                                         Subfamily # Golvanacanthinae - Paggi and Orecchia, 1972
                                                                                                           Genus # Golvanacanthus - Paggi and Orecchia, 1972
                                                                                         Subfamily # Gorgorhynchinae - Van Cleave and Lincicome, 1940
                                                                                                           Genus # Australorhynchus - Lebedev, 1967
                                                                                                           Genus # Cleaveius - Subrahmanian, 1927
                                                                                                           Genus # Edmondsacanthus - Smales, 2009
                                                                                                           Genus # Gorgorhynchoides - Cable and Linderoth, 1963
                                                                                                           Genus # Gorgorhynchus - Chandler, 1934
                                                                                                           Genus # Leptorhynchoides - Kostylew, 1924
                                                                                                           Genus # Metacanthocephaloides - Yamaguti, 1959
                                                                                                           Genus # Metacanthocephalus - Yamaguti, 1959
                                                                                                           Genus # Micracanthorhynchina - Strand, 1936
                                                                                                           Genus # Paracanthorhynchus - Edmonds, 1967
                                                                                                           Genus # Pseudauchen - Yamaguti, 1963
                                                                                                           Genus # Pseudoleptorhynchoides - Salgado-Maldonado, 1976
                                                                                                           Genus # Sclerocollum - Schmidt and Paperna, 1978
                                                                                         Subfamily # Rhadinorhynchinae - Lühe, 1912
                                                                                                           Genus # Cathayacanthus - Golvan, 1969
                                                                                                           Genus # Megistacantha - Golvan, 1960
                                                                                                           Genus # Paragorgorhynchus - Golvan, 1957
                                                                                                           Genus # Pseudogorgorhynchus - Moravec, Wolter and Korting, 1999
                                                                                                           Genus # Raorhynchus - Tripathi, 1956
                                                                                                           Genus # Rhadinorhynchus - Lühe, 1911
                                                                                                           Genus # Slendrorhynchus - Amin and Sey, 1996
                                                                                         Subfamily # Serrasentinae - Petrochenko, 1956
                                                                                                           Genus # Serrasentis - Van Cleave, 1923
                                                                                         Subfamily # Serrasentoidinae - Parukhin, 1982
                                                                                                           Genus # Serrasentoides - Parukhin, 1971
                                                                                   Family # Sauracanthorhynchidae - Bursey, Goldberg and Kraus, 2007
                                                                                                           Genus # Sauracanthorhynchus - Bursey, Goldberg and Kraus, 2007
                                                                                   Family # Transvenidae - Pichelin and Cribb, 2001
                                                                                                           Genus # Trajectura - Pichelin and Cribb, 2001
                                                                                                           Genus # Transvena - Pichelin and Cribb, 2001
                                                           Order # Heteramorphida - Amin and Ha, 2008
                                                                                   Family # Pyrirhynchidae - Amin and Ha, 2008
                                                                                                           Genus # Pyrirhynchus - Amin and Ha, 2008
                                                           Order # Polymorphida - Petrochenko, 1956
                                                                                   Family # Centrorhynchidae - Van Cleave, 1916
                                                                                                           Genus # Centrorhynchus - Lühe, 1911
                                                                                                           Genus # Neolacunisoma - Amin and Canaris, 1997
                                                                                                           Genus # Sphaerirostris - Golvan, 1956
                                                                                   Family # Plagiorhynchidae - Meyer, 1931
                                                                                         Subfamily # Plagiorhynchinae - Meyer, 1931
                                                                                                           Genus # Plagiorhynchus - Lühe, 1911
                                                                                         Subfamily # Porrorchinae - Golvan, 1956
                                                                                                           Genus # Lueheia - Travassos, 1919
                                                                                                           Genus # Oligoterorhynchus - Monticelli, 1914
                                                                                                           Genus # Owilfordia - Schmidt and Kuntz, 1967
                                                                                                           Genus # Porrorchis - Fukui, 1929
                                                                                                           Genus # Pseudogordiorhynchus - Golvan, 1957
                                                                                                           Genus # Pseudolueheia - Schmidt and Kuntz, 1967
                                                                                         Subfamily # Sphaerechinorhynchinae - Golvan, 1956
                                                                                                           Genus # Sphaerechinorhynchus - Johnston, 1929
                                                                                   Family # Polymorphidae - Meyer, 1931
                                                                                                           Genus # Andracantha - Schmidt, 1975
                                                                                                           Genus # Ardeirhynchus - Dimitrova and Georgiev, 1994
                                                                                                           Genus # Arhythmorhynchus - Lühe, 1911
                                                                                                           Genus # Bolbosoma - Porta, 1908
                                                                                                           Genus # Corynosoma - Lühe, 1904
                                                                                                           Genus # Diplospinifer - Fukui, 1929
                                                                                                           Genus # Filicollis - Lühe, 1911
                                                                                                           Genus # Ibirhynchus - García-Valera, Pérez-Ponce de León, Aznar and Nadler, 2011
                                                                                                           Genus # Polymorphus - Lühe, 1911
                                                                                                           Genus # Profilicollis - Meyer, 1931
                                                                                                           Genus # Pseudocorynosoma - Aznar, Pérez-Ponce de León and Raga, 2006
                                                                                                           Genus # Southwellina - Witenberg, 1932
                                   Class # Polyacanthocephala - Amin, 1987
                                                           Order # Polyacanthorhynchida - Golvan, 1956
                                                                                   Family # Polyacanthorhynchidae - Golvan, 1956
                                                                                                           Genus # Polyacanthorhynchus - Travassos, 1920
                 Phylum # Annelida -  
                                                                                   Family # Aeolosomatidae - Beddard, 1895
                                                                                                           Genus # Aeolosoma - Ehrenberg, 1828
                                                                                                           Genus # Hystricosoma - Michaelsen, 1926
                                                                                                           Genus # Rheomorpha - Ruttner-kolisko, 1955
                                                                                   Family # Hrabeiellidae -  
                                                                                                           Genus # Hrabeiella - Pizl and Chalupský, 1984
                                                                                   Family # Potamodrilidae - Bunke, 1967
                                                                                                           Genus # Potamodrilus - Lastockin, 1935
                                                                                   Family # Psammodrilidae - Swedmark, 1952
                                                                                                           Genus # Psammodriloides - Swedmark, 1958
                                                                                                           Genus # Psammodrilus - Swedmark, 1952
                                   Class # Clitellata -  
                                                                                   Family # Capilloventridae - Harman & Loden, 1984
                                                                                                           Genus # Capilloventer - Harman & Loden, 1984
                                                                                   Family # Enchytraeidae -  
                                                                                                           Genus # Achaeta - Vejdovský, 1878
                                                                                                           Genus # Aspidodrilus - Baylis, 1914
                                                                                                           Genus # Barbidrilus - Loden & Locy, 1980
                                                                                                           Genus # Bryodrilus - Ude, 1892
                                                                                                           Genus # Buchholzia - Michaelsen, 1886
                                                                                                           Genus # Cernosvitoviella - Nielsen & Christensen, 1959
                                                                                                           Genus # Chirodrilus - Vejdovský, 1884
                                                                                                           Genus # Christensenidrilus - Dózsa-Farkas & Convey, 1998
                                                                                                           Genus # Cognettia - Nielsen & Christensen, 1959
                                                                                                           Genus # Enchylea - Nielsen & Christensen, 1963
                                                                                                           Genus # Enchytraeina - von Bülow, 1957
                                                                                                           Genus # Enchytraeus - Henle, 1837
                                                                                                           Genus # Enchytronia - Nielsen & Christensen, 1959
                                                                                                           Genus # Fridericia - Michaelsen, 1889
                                                                                                           Genus # Grania - Southern, 1913
                                                                                                           Genus # Guaranidrilus - Cernosvitov, 1937
                                                                                                           Genus # Hemienchytraeus - Cernosvitov, 1934
                                                                                                           Genus # Hemifridericia - Nielsen & Christensen, 1959
                                                                                                           Genus # Henlea - Michaelsen, 1889
                                                                                                           Genus # Lumbricillus - Ørsted, 1844
                                                                                                           Genus # Marionina - Michaelsen, 1890
                                                                                                           Genus # Mesenchytraeus - Eisen, 1878
                                                                                                           Genus # Oconnorella - Rota, 1995
                                                                                                           Genus # Pelmatodrilus - Moore, 1943
                                                                                                           Genus # Randidrilus - Coates & Erséus, 1985
                                                                                                           Genus # Sinenchytraeus - Liang & Hsü, 1979
                                                                                                           Genus # Stephensoniella - Cernosvitov, 1934
                                                                                                           Genus # Stercutus - Michaelsen, 1888
                                                                                                           Genus # Tupidrilus - Righi, 1974
                                                                                                           Genus # Xetadrilus - Schmelz, Collado & Römbke, 2011
                                                                                   Family # Questidae - Hartman, 1966
                                                                                                           Genus # Novaquesta - Hobson, 1970
                                                                                                           Genus # Questa - Hartman, 1966
                                                           Order # Apodadrilida -  
                                                                                   Family # Parergodrilidae - Reisinger, 1925
                                                                                                           Genus # Parergodrilus - Reisinger, 1925
                                                                                                           Genus # Stygocapitella - Knoellner, 1934
                                                     Superorder # Metagynophora -  
                                                           Order # Moniligastrida -  
                                                                                   Family # Moniligastridae -  
                                                                                                           Genus # Desmogaster - Rosa, 1890
                                                                                                           Genus # Drawida - Michaelsen, 1900
                                                                                                           Genus # Eupolygaster - Michaelsen, 1900
                                                                                                           Genus # Hastirogaster - Gates, 1930
                                                                                                           Genus # Moniligaster - Perrier, 1872
                                                           Order # Opisthopora -  
                                                                 Suborder # Alluroidina -  
                                                                             Superfamily # Alluroidoidea -  
                                                                                   Family # Alluroididae -  
                                                                                                           Genus # Alluroides - Beddard, 1894
                                                                                                           Genus # Barryjamiesonia - Ljungström, 1971
                                                                                                           Genus # Brinkhurstia - Jamieson, 1968
                                                                                                           Genus # Kathrynella - Omodeo, 1996
                                                                                                           Genus # Righiella - Omodeo & Coates, 2001
                                                                                                           Genus # Standeria - Jamieson, 1968
                                                                                   Family # Syngenodrilidae -  
                                                                                                           Genus # Syngenodrilus - Smith & Green, 1919
                                                                 Suborder # Crassiclitellata -  
                                                                                   Family # Almidae -  
                                                                                                           Genus # Alma - Grube, 1855
                                                                                                           Genus # Areco - Righi, Ayres & Bittencourt, 1978
                                                                                                           Genus # Callidrilus - Michaelsen, 1890
                                                                                                           Genus # Drilocrius - Michaelsen, 1917
                                                                                                           Genus # Glyphidrilus - Horst, 1889
                                                                                                           Genus # Progizzardus - Nair, 2010
                                                                                   Family # Biwadrilidae -  
                                                                                                           Genus # Biwadrilus - Jamieson, 1971
                                                                                   Family # Eudrilidae -  
                                                                                                           Genus # Beddardiella - Michaelsen, 1910
                                                                                                           Genus # Bettoniella - Gates, 1941
                                                                                                           Genus # Borgertia - Michaelsen, 1905
                                                                                                           Genus # Buettneriodrilus - Michaelsen, 1897
                                                                                                           Genus # Chuniodrilus - Michaelsen, 1913
                                                                                                           Genus # Eminoscolex - Michaelsen, 1896
                                                                                                           Genus # Ephyriodrilus - Sims, 1971
                                                                                                           Genus # Eudriloides - Michaelsen, 1890
                                                                                                           Genus # Eudrilus - Perrier, 1871
                                                                                                           Genus # Eupolytoreutus - Michaelsen, 1910
                                                                                                           Genus # Euscolex - Michaelsen, 1903
                                                                                                           Genus # Eutoreutus - Michaelsen, 1915
                                                                                                           Genus # Gardullaria - Michaelsen, 1903
                                                                                                           Genus # Heliodrilus - Beddard, 1891
                                                                                                           Genus # Hippopera - Taylor, 1949
                                                                                                           Genus # Hyperiodrilus - Beddard, 1890
                                                                                                           Genus # Iridodrilus - Beddard, 1897
                                                                                                           Genus # Kaffania - Michaelsen, 1903
                                                                                                           Genus # Keffia - Clausen, 1965
                                                                                                           Genus # Legonea - Clausen, 1963
                                                                                                           Genus # Libyodrilus - Beddard, 1891
                                                                                                           Genus # Malodrilus - Michaelsen, 1903
                                                                                                           Genus # Metadrilus - Michaelsen, 1891
                                                                                                           Genus # Metascolex - Michaelsen, 1903
                                                                                                           Genus # Nemertodrilus - Michaelsen, 1890
                                                                                                           Genus # Neumanniella - Michaelsen, 1903
                                                                                                           Genus # Neumanniona - Michaelsen, 1935
                                                                                                           Genus # Nsukkadrilus - Segun, 1977
                                                                                                           Genus # Parapolytoreutus - Segun, 1980
                                                                                                           Genus # Parascolex - Michaelsen, 1900
                                                                                                           Genus # Pareudrilus - Beddard, 1894
                                                                                                           Genus # Platydrilus - Michaelsen, 1891
                                                                                                           Genus # Polytoreutus - Michaelsen, 1890
                                                                                                           Genus # Reithrodrilus - Michaelsen, 1891
                                                                                                           Genus # Rosadrilus - Cognetti, 1909
                                                                                                           Genus # Schoutedenina - Michaelsen, 1937
                                                                                                           Genus # Schubotziella - Michaelsen, 1915
                                                                                                           Genus # Scolecillus - Omodeo, 1958
                                                                                                           Genus # Segunia - Sims, 1985
                                                                                                           Genus # Segunodrilus - Owa, 1995
                                                                                                           Genus # Stuhlmannia - Michaelsen, 1890
                                                                                                           Genus # Takunodrilus - Owa, 1995
                                                                                                           Genus # Teleudrilus - Rosa, 1888
                                                                                                           Genus # Teleutoreutus - Michaelsen, 1903
                                                                                                           Genus # Tubiscolex - Michaelsen, 1935
                                                                                                           Genus # Unyoria - Michaelsen, 1896
                                                                                                           Genus # Vomia - Segun, 1976
                                                                                   Family # Glossoscolecidae -  
                                                                                                           Genus # Diaguita - Cordero, 1942
                                                                                                           Genus # Enantiodrilus - Cognetti, 1902
                                                                                                           Genus # Fimoscolex - Michaelsen, 1900
                                                                                                           Genus # Glossodrilus - Cognetti, 1905
                                                                                                           Genus # Glossoscolex - Leuckart, 1835
                                                                                                           Genus # Holoscolex - Cognetti, 1904
                                                                                                           Genus # Righiodrilus - Zicsi, 1995
                                                                                   Family # Komarekionidae -  
                                                                                                           Genus # Komarekiona - Gates, 1974
                                                                                   Family # Kynotidae -  
                                                                                                           Genus # Kynotus - Michaelsen, 1891
                                                                                   Family # Microchaetidae -  
                                                                                                           Genus # Geogenia - Kinberg, 1867
                                                                                                           Genus # Kazimierzus - Plisko, 2006
                                                                                                           Genus # Microchaetus - Rapp, 1849
                                                                                                           Genus # Proandricus - Plisko, 1992
                                                                                   Family # Rhinodrilidae - Benham, 1890
                                                                                                           Genus # Aicodrilus - Righi, 1971
                                                                                                           Genus # Alexidrilus - Righi, 1971
                                                                                                           Genus # Andiodrilus - Michaelsen, 1900
                                                                                                           Genus # Andiorrhinus - Cognetti, 1908
                                                                                                           Genus # Andioscolex - Michaelsen, 1927
                                                                                                           Genus # Anteoides - Cognetti, 1902
                                                                                                           Genus # Anteus - Perrier, 1872
                                                                                                           Genus # Aptodrilus - Cognetti, 1904
                                                                                                           Genus # Atatina - Righi, 1971
                                                                                                           Genus # Aymara - Michaelsen, 1935
                                                                                                           Genus # Botarodrilus - Zicsi, 1990
                                                                                                           Genus # Bribri - Righi, 1984
                                                                                                           Genus # Chibui - Righi & Guerra, 1985
                                                                                                           Genus # Cirodrilus - Righi, 1975
                                                                                                           Genus # Diachaeta - Benham, 1886
                                                                                                           Genus # Estherella - Gates, 1970
                                                                                                           Genus # Eudevoscolex - Cordero, 1944
                                                                                                           Genus # Goiascolex - Righi, 1971
                                                                                                           Genus # Hexachyloscolex - Zicsi & Csuzdi, 1999
                                                                                                           Genus # Inkadrilus - Michaelsen, 1900
                                                                                                           Genus # Irewiae - Drachenburg, 1992
                                                                                                           Genus # Langioscolex - Zicsi, 1990
                                                                                                           Genus # Martiodrilus - Michaelsen, 1937
                                                                                                           Genus # Meroscolex - Cernosvitov, 1934
                                                                                                           Genus # Nouraguesia - Csuzdi & Pavlicek, 2011
                                                                                                           Genus # Onoreodrilus - Zicsi, 1988
                                                                                                           Genus # Onychochaeta - Beddard, 1891
                                                                                                           Genus # Opisthodrilus - Rosa, 1895
                                                                                                           Genus # Periscolex - Cognetti, 1905
                                                                                                           Genus # Perolofius - Righi & Nemeth, 1983
                                                                                                           Genus # Pontoscolex - Schmarda, 1861
                                                                                                           Genus # Pseudochibui - Drachenberg, 1991
                                                                                                           Genus # Quimbaya - Michaelsen, 1935
                                                                                                           Genus # Randdrilus - Moreno & Perez Santos, 1997
                                                                                                           Genus # Rhinodrilus - Perrier, 1872
                                                                                                           Genus # Tairona - Righi, 1984
                                                                                                           Genus # Tamayodrilus - Zicsi, 1995
                                                                                                           Genus # Thamnodriloides - Gates, 1968
                                                                                                           Genus # Thamnodrilus - Beddard, 1887
                                                                                                           Genus # Tuiba - Righi & Ayres & Bittencourt, 1976
                                                                                                           Genus # Urobenus - Benham, 1886
                                                                                                           Genus # Zongodrilus - Righi, 1996
                                                                                   Family # Sparganophilidae -  
                                                                                                           Genus # Sparganophilus - Benham, 1892
                                                                                   Family # Tritogeniidae - Plisko, 2013
                                                                                                           Genus # Michalakus - Plisko, 1996
                                                                                                           Genus # Tritogenia - Kinberg, 1867
                                                                                   Family # Tumakidae -  
                                                                                                           Genus # Tumak - Righi, 1995
                                                                             Superfamily # Lumbricoidea -  
                                                                                   Family # Ailoscolecidae -  
                                                                                                           Genus # Ailoscolex - Bouché, 1969
                                                                                   Family # Criodrilidae -  
                                                                                                           Genus # Criodrilus - Hoffmeister, 1845
                                                                                   Family # Hormogastridae -  
                                                                                                           Genus # Hemigastrodrilus - Bouché, 1970
                                                                                                           Genus # Hormogaster - Rosa, 1887
                                                                                                           Genus # Vignysa - Bouché, 1970
                                                                                                           Genus # Xana - Diaz Cosin Briones & Trigo, 1989
                                                                                   Family # Lumbricidae -  
                                                                                                           Genus # Allolobophora - Eisen, 1873
                                                                                                           Genus # Allolobophoridella - Mrsic, 1991
                                                                                                           Genus # Aporrectodea - Örley, 1885
                                                                                                           Genus # Avelona - Qiu & Bouché, 2000
                                                                                                           Genus # Bimastos - Moore, 1893
                                                                                                           Genus # Cataladrilus - Qiu & Bouché, 1998
                                                                                                           Genus # Cernosvitovia - Omodeo, 1956
                                                                                                           Genus # Dendrobaena - Eisen, 1873
                                                                                                           Genus # Dendrodriloides - Kvavadze, 2000
                                                                                                           Genus # Dendrodrilus - Omodeo, 1956
                                                                                                           Genus # Diporodrilus - Bouché, 1970
                                                                                                           Genus # Eisenia - Malm, 1877
                                                                                                           Genus # Eiseniella - Michaelsen, 1900
                                                                                                           Genus # Eisenoides - Gates, 1969
                                                                                                           Genus # Eophila - Rosa, 1893
                                                                                                           Genus # Ethnodrilus - Bouché, 1972
                                                                                                           Genus # Eumenoscolex - Qiu & Bouché, 1998
                                                                                                           Genus # Fitzingeria - Zicsi, 1978
                                                                                                           Genus # Gatesona - Qiu & Bouché, 1998
                                                                                                           Genus # Healyella - Omodeo & Rota, 1989
                                                                                                           Genus # Helodrilus - Hoffmeister, 1845
                                                                                                           Genus # Iberoscolex - Qiu & Bouché, 1998
                                                                                                           Genus # Italobalkaniona - Mrsic & Sapkarev, 1988
                                                                                                           Genus # Kritodrilus - Bouché, 1972
                                                                                                           Genus # Lumbricus - Linnaeus, 1758
                                                                                                           Genus # Murchieona - Gates, 1978
                                                                                                           Genus # Octodriloides - Zicsi, 1986
                                                                                                           Genus # Octodrilus - Omodeo, 1956
                                                                                                           Genus # Octolasion - Örley, 1885
                                                                                                           Genus # Orodrilus - Bouche, 1972
                                                                                                           Genus # Perelia - Easton, 1983
                                                                                                           Genus # Postandrilus - Qiu & Bouché, 1998
                                                                                                           Genus # Proctodrilus - Zicsi, 1985
                                                                                                           Genus # Prosellodrilus - Bouché, 1972
                                                                                                           Genus # Riphaeodrilus - Csuzdi & Pavlicek, 2005
                                                                                                           Genus # Satchellius - Gates, 1975
                                                                                                           Genus # Scherotheca - Bouché, 1972
                                                                                                           Genus # Spermophorodrilus - Bouché, 1975
                                                                                                           Genus # Zophoscolex - Qiu & Bouché, 1998
                                                                                   Family # Lutodrilidae -  
                                                                                                           Genus # Lutodrilus - McMahan, 1976
                                                                             Superfamily # Megascolecoidea -  
                                                                                   Family # Acanthodrilidae -  
                                                                                                           Genus # Acanthodrilus - Perrier, 1872
                                                                                                           Genus # Afrogaster - Csuzdi, 2010
                                                                                                           Genus # Agastrodrilus - Omodeo & Vaillaud, 1967
                                                                                                           Genus # Bahlia - Gates, 1945
                                                                                                           Genus # Balanteodrilus - Pickford, 1938
                                                                                                           Genus # Barogaster - Gates, 1940
                                                                                                           Genus # Benhamia - Michaelsen, 1889
                                                                                                           Genus # Benhamiona - Csuzdi & Zicsi, 1994
                                                                                                           Genus # Borgesia - James, 1991
                                                                                                           Genus # Calebiella - Gates, 1945
                                                                                                           Genus # Celeriella - Gates, 1958
                                                                                                           Genus # Chacdrilus - Fragoso & Rojas, 2009
                                                                                                           Genus # Chaetocotoides - Julka, 1988
                                                                                                           Genus # Chilota - Michaelsen, 1899
                                                                                                           Genus # Cubadrilus - Rodriguez & Fragoso, 2002
                                                                                                           Genus # Dashiella - Julka, 1988
                                                                                                           Genus # Decachaetus - Lee, 1959
                                                                                                           Genus # Deinodrilus - Beddard, 1888
                                                                                                           Genus # Dichogaster - Beddard, 1888
                                                                                                           Genus # Dinodriloides - Benham, 1904
                                                                                                           Genus # Diplocardia - Garman, 1888
                                                                                                           Genus # Diplotrema - Spencer, 1900
                                                                                                           Genus # Drilocheira - Fender and McKey-Fender, 1990
                                                                                                           Genus # Dudichiodrilus - Csuzdi, 1995
                                                                                                           Genus # Eodriloides - Zicsi, 1998
                                                                                                           Genus # Eodrilus - Michaelsen, 1907
                                                                                                           Genus # Eudichogaster - Michaelsen, 1902
                                                                                                           Genus # Eudinodriloides - Lee, 1959
                                                                                                           Genus # Eutrigaster - Cognetti, 1904
                                                                                                           Genus # Eutyphoeus - Michaelsen, 1900
                                                                                                           Genus # Exxus - Gates, 1959
                                                                                                           Genus # Guineoscolex - Csuzdi & Zicsi, 1994
                                                                                                           Genus # Herbettodrilus - Julka, Blanchart & Chapuis-Lardy, 2004
                                                                                                           Genus # Hoplochaetella - Michaelsen, 1900
                                                                                                           Genus # Hoplochaetina - Michaelsen, 1926
                                                                                                           Genus # Kanchuria - Julka, 1988
                                                                                                           Genus # Karmiella - Julka, 1983
                                                                                                           Genus # Kaxdrilus - Fragoso & Rojas, 1994
                                                                                                           Genus # Kayarmacia - Jamieson, 1997
                                                                                                           Genus # Konkadrilus - Julka, 1988
                                                                                                           Genus # Kotegeharia - Julka, 1988
                                                                                                           Genus # Larsonidrilus - James, 1993
                                                                                                           Genus # Lavellodrilus - Fragoso, 1988
                                                                                                           Genus # Lennogaster - Gates, 1939
                                                                                                           Genus # Leucodrilus - Lee, 1952
                                                                                                           Genus # Loksaia - Csuzdi, 1996
                                                                                                           Genus # Mallehulla - Julka, 1982
                                                                                                           Genus # Maoridrilus - Michaelsen, 1899
                                                                                                           Genus # Mayadrilus - Fragoso & Rojas, 1994
                                                                                                           Genus # Microscolex - Rosa, 1887
                                                                                                           Genus # Millsonia - Beddard, 1894
                                                                                                           Genus # Monothecodrilus - Csuzdi & Zicsi, 1994
                                                                                                           Genus # Nellogaster - Gates, 1938
                                                                                                           Genus # Neochaeta - Lee, 1959
                                                                                                           Genus # Neodiplotrema - Dyne, 1997
                                                                                                           Genus # Neodrilus - Beddard, 1887
                                                                                                           Genus # Neogaster - Cernosvitov, 1934
                                                                                                           Genus # Neotrigaster - James, 1991
                                                                                                           Genus # Notiodrilus - Michaelsen, 1899
                                                                                                           Genus # Octochaetoides - Michaelsen, 1926
                                                                                                           Genus # Octochaetona - Gates, 1962
                                                                                                           Genus # Octochaetus - Beddard, 1893
                                                                                                           Genus # Octonochaeta - Julka, 1988
                                                                                                           Genus # Omodeona - Sims, 1967
                                                                                                           Genus # Omodeoscolex - Csuzdi, 1993
                                                                                                           Genus # Parachilota - Pickford, 1937
                                                                                                           Genus # Pellogaster - Gates, 1939
                                                                                                           Genus # Perieodrilus - Michaelsen, 1910
                                                                                                           Genus # Pickfordia - Omodeo, 1958
                                                                                                           Genus # Pickfordiella - Csuzdi, 2010
                                                                                                           Genus # Plagiochaeta - Benham, 1892
                                                                                                           Genus # Priodochaeta - Gates, 1940
                                                                                                           Genus # Priodoscolex - Gates, 1940
                                                                                                           Genus # Protozapotecia - James, 1993
                                                                                                           Genus # Ramiella - Stephenson, 1921
                                                                                                           Genus # Ramiellona - Michaelsen, 1935
                                                                                                           Genus # Reginaldia - Csuzdi, 2006
                                                                                                           Genus # Rhododrilus - Beddard, 1889
                                                                                                           Genus # Rillogaster - Gates, 1939
                                                                                                           Genus # Scolioscolides - Gates, 1937
                                                                                                           Genus # Senapatiella - Julka, Blanchart & Chapuis-Lardy, 2004
                                                                                                           Genus # Shimodrilus - Julka, Blanchart & Chapuis-Lardy, 2004
                                                                                                           Genus # Sylvodrilus - Lee, 1959
                                                                                                           Genus # Travoscolides - Gates, 1940
                                                                                                           Genus # Trigaster - Benham, 1886
                                                                                                           Genus # Udeina - Michaelsen, 1910
                                                                                                           Genus # Wahoscolex - Julka, 1988
                                                                                                           Genus # Wegeneriella - Michaelsen, 1933
                                                                                                           Genus # Wegeneriona - Cernosvitov, 1939
                                                                                                           Genus # Yagansia - Michaelsen, 1899
                                                                                                           Genus # Zapatadrilus - James, 1991
                                                                                                           Genus # Zapotecia - Eisen, 1900
                                                                                   Family # Megascolecidae -  
                                                                                                           Genus # Aceeca - Blakemore, 2000
                                                                                                           Genus # Amphimiximus - Blakemore, 2000
                                                                                                           Genus # Amynthas - Kinberg, 1867
                                                                                                           Genus # Anisochaeta - Beddard, 1890
                                                                                                           Genus # Anisogogaster - Blakemore, 2010
                                                                                                           Genus # Aporodrilus - Blakemore, 2000
                                                                                                           Genus # Archipheretima - Michaelsen, 1928
                                                                                                           Genus # Arctiostrotus - McKey-Fender, 1982
                                                                                                           Genus # Argilophilus - Eisen, 1893
                                                                                                           Genus # Austrohoplochaetella - Jamieson, 1971
                                                                                                           Genus # Begemius - Easton, 1982
                                                                                                           Genus # Caecadrilus - Blakemore, 2000
                                                                                                           Genus # Chetcodrilus - Fender & McKey-Fender, 1990
                                                                                                           Genus # Comarodrilus - Stephenson, 1915
                                                                                                           Genus # Cryptodrilus - Fletcher, 1886
                                                                                                           Genus # Dendropheretima - James, 2005
                                                                                                           Genus # Deodrilus - Beddard, 1890
                                                                                                           Genus # Didymogaster - Fletcher, 1886
                                                                                                           Genus # Digaster - Perrier, 1872
                                                                                                           Genus # Diporochaeta - Beddard, 1890
                                                                                                           Genus # Drilochaera - Fender & McKey-Fender, 1990
                                                                                                           Genus # Driloleirus - Fender & McKey-Fender, 1990
                                                                                                           Genus # Duplodicodrilus - Blakemore, 2008
                                                                                                           Genus # Eastoniella - Jamieson, 1977
                                                                                                           Genus # Fletcherodrilus - Michaelsen, 1891
                                                                                                           Genus # Gastrodrilus - Blakemore, 2000
                                                                                                           Genus # Gemascolex - Edmonds & Jamieson, 1973
                                                                                                           Genus # Geofdyneia - Jamieson, 2000
                                                                                                           Genus # Graliophilus - Jamieson, 1971
                                                                                                           Genus # Haereodrilus - Dyne, 2000
                                                                                                           Genus # Healesvillea - Jamieson, 2000
                                                                                                           Genus # Heteroporodrilus - Jamieson, 1970
                                                                                                           Genus # Hiatidrilus - Blakemore, 1997
                                                                                                           Genus # Hickmaniella - Jamieson, 1974
                                                                                                           Genus # Hypolimnus - Blakemore, 2000
                                                                                                           Genus # Isarogoscolex - James, 2005
                                                                                                           Genus # Kincaidodrilus - McKey-Fender, 1982
                                                                                                           Genus # Lampito - Kinberg, 1867
                                                                                                           Genus # Macnabodrilus - Fender & McKey-Fender, 1990
                                                                                                           Genus # Megascolex - Templeton, 1844
                                                                                                           Genus # Megascolides - McCoy, 1878
                                                                                                           Genus # Metapheretima - Michaelsen, 1928
                                                                                                           Genus # Metaphire - Sims & Easton, 1972
                                                                                                           Genus # Nelloscolex - Gates, 1939
                                                                                                           Genus # Nephrallaxis - Fender & McKey-Fender, 1990
                                                                                                           Genus # Nexogaster - Blakemore, 2000
                                                                                                           Genus # Notoscolex - Fletcher, 1886
                                                                                                           Genus # Oreoscolex - Jamieson, 1973
                                                                                                           Genus # Paraplutellus - Jamieson, 1972
                                                                                                           Genus # Pericryptodrilus - Jamieson, 1977
                                                                                                           Genus # Perionychella - Michaelsen, 1907
                                                                                                           Genus # Perionyx - Perrier, 1872
                                                                                                           Genus # Perissogaster - Fletcher, 1887
                                                                                                           Genus # Pheretima - Kinberg, 1867
                                                                                                           Genus # Pithemera - Sims & Easton, 1972
                                                                                                           Genus # Planapheretima - Michaelsen, 1934
                                                                                                           Genus # Pleionogaster - Michaelsen, 1892
                                                                                                           Genus # Plutelloides - Jamieson, 2000
                                                                                                           Genus # Plutellus - Perrier, 1873
                                                                                                           Genus # Polypheretima - Michaelsen, 1934
                                                                                                           Genus # Pontodrilus - Perrier, 1874
                                                                                                           Genus # Propheretima - Jamieson, 1995
                                                                                                           Genus # Provescus - Blakemore, 2000
                                                                                                           Genus # Pseudocryptodrilus - Jamieson, 1972
                                                                                                           Genus # Pseudonotoscolex - Jamieson, 1971
                                                                                                           Genus # Retrovescus - Blakemore, 1998
                                                                                                           Genus # Scolecoidea - Blakemore, 2000
                                                                                                           Genus # Sebastianus - Blakemore, 1997
                                                                                                           Genus # Simsia - Jamieson, 1971
                                                                                                           Genus # Spenceriella - Michaelsen, 1907
                                                                                                           Genus # Tassiedrilus - Blakemore, 2000
                                                                                                           Genus # Terrisswalkerius - Jamieson, 1994
                                                                                                           Genus # Tonoscolex - Gates, 1933
                                                                                                           Genus # Torresiella - Dyne, 1997
                                                                                                           Genus # Toutellus - Fender & McKey-Fender, 1990
                                                                                                           Genus # Troyia - Jamieson, 1977
                                                                                                           Genus # Vesiculodrilus - Jamieson, 1973
                                                                                                           Genus # Woodwardiella - Stephenson, 1925
                                                                                                           Genus # Zacharius - Blakemore, 1997
                                                                                   Family # Ocnerodrilidae -  
                                                                                                           Genus # Aphanascus - Stephenson, 1924
                                                                                                           Genus # Bauba - Righi, 1980
                                                                                                           Genus # Belladrilus - Righi, 1984
                                                                                                           Genus # Brunodrilus - Righi, 1971
                                                                                                           Genus # Curgiona - Gates, 1941
                                                                                                           Genus # Dariodrilus - Righi & Ayres & Bittencourt, 1978
                                                                                                           Genus # Deccania - Gates, 1949
                                                                                                           Genus # Diaphorodrilus - Cognetti, 1910
                                                                                                           Genus # Dorgiodrilus - Gates, 1962
                                                                                                           Genus # Enicmodrilus - Eisen, 1900
                                                                                                           Genus # Eukerria - Michaelsen, 1935
                                                                                                           Genus # Exisdrilus - Righi & Ayres & Bittencourt, 1978
                                                                                                           Genus # Gatesia - Jamieson, 1962
                                                                                                           Genus # Gordiodrilus - Beddard, 1892
                                                                                                           Genus # Haplodrilus - Eisen, 1900
                                                                                                           Genus # Ilyogenia - Beddard, 1893
                                                                                                           Genus # Kerriona - Michaelsen, 1926
                                                                                                           Genus # Liodrilus - Righi, 1994
                                                                                                           Genus # Lourdesia - Righi, 1994
                                                                                                           Genus # Maheina - Michaelsen, 1899
                                                                                                           Genus # Malabaria - Stephenson, 1924
                                                                                                           Genus # Monogaster - Michaelsen, 1915
                                                                                                           Genus # Nannodrilus - Beddard, 1894
                                                                                                           Genus # Nematogenia - Eisen, 1900
                                                                                                           Genus # Ocnerodrilus - Eisen, 1878
                                                                                                           Genus # Parryodrilus - Julka, Giri, Panigrahi & Senapati, 1997
                                                                                                           Genus # Paulistus - Michaelsen, 1925
                                                                                                           Genus # Phoenicodrilus - Eisen, 1895
                                                                                                           Genus # Pygmaeodrilus - Michaelsen, 1890
                                                                                                           Genus # Quechuona - Gates, 1941
                                                                                                           Genus # Tazelaaria - Gates, 1962
                                                                                                           Genus # Temanonegia - Gates, 1979
                                                                                                           Genus # Thatonia - Gates, 1942
                                                                                                           Genus # Xibaro - Righi, 1981
                                         Subclass # Lumbriculata -  
                                                                                   Family # Tiguassuidae - Brinkhurst, 1988
                                                                                                           Genus # Tiguassu - Righi, Ayres and Bittencourt, 1978
                                                           Order # Acanthobdellida - Grube, 1851
                                                                                   Family # Acanthobdellidae - Grube, 1851
                                                                                         Subfamily # Acanthobdellinae - Grube, 1851
                                                                                                           Genus # Acanthobdella - Grube, 1851
                                                           Order # Branchiobdellida -  
                                                                                   Family # Branchiobdellidae -  
                                                                                                           Genus # Sinodrilus - Gelder & Brinkhurst, 1990
                                                                                         Subfamily # Bdellodrilinae -  
                                                                                                           Genus # Bdellodrilus - Moore, 1895
                                                                                                           Genus # Caridinophila - Liang, 1963
                                                                                                           Genus # Cronodrilus - Holt, 1968
                                                                                                           Genus # Hidejiodrilus - Gelder & Brinkhurst, 1990
                                                                                                           Genus # Uglukodrilus - Holt, 1989
                                                                                         Subfamily # Branchiobdellinae -  
                                                                                                           Genus # Ankyrodrilus - Holt, 1965
                                                                                                           Genus # Branchiobdella - Odier, 1823
                                                                                                           Genus # Cirrodrilus - Pierantoni, 1905
                                                                                                           Genus # Xironogiton - Ellis, 1919
                                                                                         Subfamily # Cambarincolinae -  
                                                                                                           Genus # Cambarincola - Ellis, 1912
                                                                                                           Genus # Ceratodrilus - Hall, 1914
                                                                                                           Genus # Ellisodrilus - Holt, 1960
                                                                                                           Genus # Forbesodrilus - Gelder, 2011
                                                                                                           Genus # Magmatodrilus - Holt, 1967
                                                                                                           Genus # Oedipodrilus - Holt, 1967
                                                                                                           Genus # Pterodrilus - Moore, 1895
                                                                                                           Genus # Sathodrilus - Holt, 1968
                                                                                                           Genus # Tettodrilus - Holt, 1968
                                                                                                           Genus # Triannulata - Goodnight, 1940
                                                                                         Subfamily # Xironodrilinae -  
                                                                                                           Genus # Holtodrilus - Gelder & Brinkhurst, 1990
                                                                                                           Genus # Xironodrilus - Ellis, 1918
                                                           Order # Hirudinida -  
                                                                 Suborder # Arhynchobdellida - Blanchard, 1894
                                                                       Infraorder # Erpobdelliformes - Sawyer, 1986
                                                                                   Family # Americobdellidae -  
                                                                                   Family # Erpobdellidae - Blanchard, 1894
                                                                                                           Genus # Dina - R. Blanchard, 1892
                                                                                                           Genus # Semiscolecides - Augener, 1930
                                                                                         Subfamily # Erpobdellinae - Blanchard, 1894
                                                                                                           Genus # Erpobdella - de Blainville, 1818
                                                                                                           Genus # Mooreobdella - Pawlowski, 1955
                                                                                                           Genus # Motobdella - Govedich, Blinn, Keim and Davies, 1998
                                                                                                           Genus # Nephelopsis - Verrill, 1872
                                                                                   Family # Orobdellidae - Nakano, Ramlah and Hikida, 2012
                                                                                                           Genus # Orobdella - Oka, 1895
                                                                                   Family # Salifidae - Johansson, 1910
                                                                       Infraorder # Hirudiniformes - Caballero, 1952
                                                                                   Family # Cylicobdellidae - Ringuelet, 1972
                                                                                         Subfamily # Cylicobdellinae - Ringuelet, 1972
                                                                                                           Genus # Blanchardiella - Weber, 1913
                                                                                                           Genus # Cylicobdella - Grube, 1871
                                                                                   Family # Haemadipsidae - Blanchard, 1893
                                                                                         Subfamily # Haemadipsinae - R. Blanchard, 1893
                                                                                   Family # Haemopidae - Richardson, 1969
                                                                                         Subfamily # Haemopinae - Richardson, 1969
                                                                                                           Genus # Haemopis - Savigny, 1822
                                                                                   Family # Hirudinidae - Whitman, 1886
                                                                                         Subfamily # Hirudinariinae - Whitman, 1886
                                                                                                           Genus # Hirudo - Linnaeus, 1758
                                                                                                           Genus # Poecilobdella - Blanchard, 1893
                                                                                   Family # Macrobdellidae -  
                                                                                         Subfamily # Macrobdellinae - Richardson, 1969
                                                                                                           Genus # Limnobdella - Blanchard, 1893
                                                                                                           Genus # Macrobdella - Verrill, 1872
                                                                                                           Genus # Oxyuptychus - Grube, 1851
                                                                                                           Genus # Philobdella - Verrill, 1874
                                                                                                           Genus # Pintobdella - Caballero, 1937
                                                                                   Family # Semiscolecidae - Scriban and Autrum, 1934
                                                                                   Family # Xerobdellidae -  
                                                                                                           Genus # Diestecostoma - Vaillant, 1890
                                                                 Suborder # Rhynchobdellida - Blanchard, 1894
                                                                                   Family # Glossiphoniidae - Vaillant, 1890
                                                                                                           Genus # Batracobdella - Viguier, 1897
                                                                                         Subfamily # Glossiphoniinae - Autrum, 1939
                                                                                                           Genus # Desserobdella - Barta and Sawyer, 1990
                                                                                                           Genus # Glossiphonia - Johnson, 1817
                                                                                                           Genus # Placobdella - Blanchard, 1893
                                                                                         Subfamily # Haementeriinae - Autrum, 1939
                                                                                                           Genus # Actinobdella - Moore, 1901
                                                                                                           Genus # Alboglossiphonia - Lukin, 1976
                                                                                                           Genus # Gloiobdella - Ringuelet, 1978
                                                                                                           Genus # Haementeria - de Filippi, 1849
                                                                                                           Genus # Helobdella - Blanchard, 1896
                                                                                                           Genus # Marvinmeyeria - Soós, 1969
                                                                                                           Genus # Oligobdella - Moore, 1918
                                                                                         Subfamily # Theromyzinae - Sawyer, 1986
                                                                                                           Genus # Theromyzon - Philippi, 1867
                                                                                   Family # Ozobranchidae - Pinto, 1921
                                                                                         Subfamily # Ozobranchinae - Pinto, 1921
                                                                                                           Genus # Ozobranchus - DeQuatrefages, 1852
                                                                                   Family # Piscicolidae - Johnston, 1865
                                                                                         Subfamily # Piscicolinae - Caballero, 1956
                                                                                                           Genus # Baicalobdella - Dogiel and Bogolepova, 1957
                                                                                                           Genus # Branchellion - Savigny, 1822
                                                                                                           Genus # Calliobdella - van Beneden and Hesse, 1863
                                                                                                           Genus # Caspiobdella - Epshtein, 1966
                                                                                                           Genus # Cystobranchus - Diesing, 1859
                                                                                                           Genus # Johanssonia - Selensky, 1914
                                                                                                           Genus # Orientobdella - Epshtein, 1962
                                                                                                           Genus # Piscicola - de Blainville, 1818
                                                                                                           Genus # Trachelobdella - Diesing, 1850
                                                                                         Subfamily # Platybdellinae - Epshtein, 1970
                                                                                                           Genus # Aestabdella - Burreson, 1976
                                                                                                           Genus # Austrobdella - Badham, 1916
                                                                                                           Genus # Beringobdella - Caballero, 1974
                                                                                                           Genus # Hemibdella - van Beneden and Hesse, 1863
                                                                                                           Genus # Malmiana - Strand, 1942
                                                                                                           Genus # Mysidobdella - Selensky, 1927
                                                                                                           Genus # Myzobdella - Leidy, 1851
                                                                                                           Genus # Notostomum - Levinsen, 1882
                                                                                                           Genus # Oceanobdella - Caballero, 1956
                                                                                                           Genus # Ostreobdella - Oka, 1927
                                                                                                           Genus # Piscicolaria - Whitman, 1889
                                                                                                           Genus # Platybdella - Malm, 1863
                                                                                         Subfamily # Pontobdellinae - Llewellyn, 1966
                                                                                                           Genus # Oxytonostoma - Malm, 1863
                                                                                                           Genus # Pontobdella - Leach, 1815
                                                                                                           Genus # Stibarobdella - Leigh-Sharpe, 1925
                                                           Order # Lumbriculida - Brinkhurst, 1971
                                                                                   Family # Lumbriculidae - Vejdovský, 1884
                                                                                                           Genus # Altmanella - Fend, 2009
                                                                                                           Genus # Bichaeta - Bretscher, 1900
                                                                                                           Genus # Cookidrilus - Rodriguez and Giani, 1987
                                                                                                           Genus # Eclipidrilus - Eisen, 1881
                                                                                                           Genus # Eremidrilus - Fend & Rodriguez, 2003
                                                                                                           Genus # Guestphalinus - Michaelsen, 1933
                                                                                                           Genus # Hrabea - Yamaguchi, 1936
                                                                                                           Genus # Kincaidiana - Altman, 1936
                                                                                                           Genus # Kurenkovia - Sokolskaya, 1969
                                                                                                           Genus # Lamprodrilus - Michaelsen, 1901
                                                                                                           Genus # Lumbriculus - Grube, 1844
                                                                                                           Genus # Martinidrilus - Fend & Lenat, 2007
                                                                                                           Genus # Pararhynchelmis - Fend & Lenat, 2010
                                                                                                           Genus # Phagodrilus - McKey-Fender, 1988
                                                                                                           Genus # Pilaridrilus - Fend & Lenat, 2007
                                                                                                           Genus # Rhynchelmis - Hoffmeister, 1843
                                                                                                           Genus # Secubelmis - Fend & Gustafson, 2001
                                                                                                           Genus # Spelaedrilus - Cook, 1975
                                                                                                           Genus # Stylodrilus - Claparède, 1862
                                                                                                           Genus # Styloscolex - Michaelsen, 1901
                                                                                                           Genus # Sylphella - Rodriguez, Fend and Lenat, 2014
                                                                                                           Genus # Tatriella - Hrabe, 1936
                                                                                                           Genus # Tenagodrilus - Eckroth & Brinkhurst, 1996
                                                                                                           Genus # Trichodrilus - Claparède, 1862
                                                                                                           Genus # Utkena - Fend, Rodriguez and Lenat, 2015
                                         Subclass # Randiellata -  
                                                                                   Family # Randiellidae -  
                                                                                                           Genus # Randiella - Erséus & Strehlow, 1986
                                         Subclass # Tubificata -  
                                                           Order # Tubificida - Brinkhurst, 1982
                                                                                   Family # Dorydrilidae -  
                                                                                                           Genus # Dorydrilus - Piquet, 1913
                                                                                                           Genus # Lycodrilus - Grube, 1873
                                                                                   Family # Haplotaxidae - Michaelsen, 1900
                                                                                                           Genus # Haplotaxis - Hoffmeister, 1843
                                                                                   Family # Naididae - Ehrenberg, 1828
                                                                                                           Genus # Branchiodrilus - Michaelsen, 1900
                                                                                                           Genus # Naidium - Schmidt, 1847
                                                                                                           Genus # Neonais - Sokolskaya, 1962
                                                                                         Subfamily # Limnodriloidinae - Erséus, 1982
                                                                                                           Genus # Limnodriloides - Pierantoni, 1904
                                                                                                           Genus # Marcusaedrilus - Righi and Kanner, 1979
                                                                                                           Genus # Smithsonidrilus - Brinkhurst, 1966
                                                                                                           Genus # Tectidrilus - Erséus, 1982
                                                                                                           Genus # Thalassodrilides - Brinkhurst and Baker, 1979
                                                                                         Subfamily # Naidinae - Ehrenberg, 1828
                                                                                                           Genus # Allonais - Sperber, 1948
                                                                                                           Genus # Amphichaeta - Tauber, 1879
                                                                                                           Genus # Arcteonais - Piguet, 1928
                                                                                                           Genus # Bratislavia - Kosel, 1976
                                                                                                           Genus # Chaetogaster - von Baer, 1827
                                                                                                           Genus # Dero - Oken, 1815
                                                                                                           Genus # Haemonais - Bretscher, 1900
                                                                                                           Genus # Nais - Müller, 1773
                                                                                                           Genus # Ophidonais - Gervais, 1838
                                                                                                           Genus # Paranais - Czerniavsky, 1880
                                                                                                           Genus # Piguetiella - Sperber, 1939
                                                                                                           Genus # Ripistes - Dujardin, 1842
                                                                                                           Genus # Slavina - Vejdovský, 1883
                                                                                                           Genus # Specaria - Sperber, 1939
                                                                                                           Genus # Stephensoniana - Cernosvitov, 1938
                                                                                                           Genus # Stylaria - Lamarck, 1816
                                                                                                           Genus # Uncinais - Levinsen, 1884
                                                                                                           Genus # Vejdovskyella - Michaelsen, 1903
                                                                                         Subfamily # Phallodrilinae - Brinkhurst, 1971
                                                                                                           Genus # Abyssidrilus - Erséus, 1992
                                                                                                           Genus # Adelodrilus - Cook, 1969
                                                                                                           Genus # Aktedrilus - Knöllner, 1935
                                                                                                           Genus # Albanidrilus - Erséus, 1992
                                                                                                           Genus # Atlantidrilus - Erséus, 1982
                                                                                                           Genus # Bathydrilus - Cook, 1970
                                                                                                           Genus # Bermudrilus - Erséus, 1979
                                                                                                           Genus # Coralliodrilus - Erséus, 1979
                                                                                                           Genus # Duridrilus - Erséus, 1983
                                                                                                           Genus # Gianius - Erséus, 1992
                                                                                                           Genus # Inanidrilus - Erséus, 1979
                                                                                                           Genus # Inermidrilus - Erséus, 1992
                                                                                                           Genus # Jamiesoniella - Erséus, 1981
                                                                                                           Genus # Marionidrilus - Erséus, 1992
                                                                                                           Genus # Mexidrilus - Erséus, 1992
                                                                                                           Genus # Milliganius - Erséus, 1992
                                                                                                           Genus # Nootkadrilus - Baker, 1982
                                                                                                           Genus # Olavius - Erséus, 1984
                                                                                                           Genus # Pacifidrilus - Erséus, 1992
                                                                                                           Genus # Paraktedrilus - Erséus, 1992
                                                                                                           Genus # Pectinodrilus - Erséus, 1992
                                                                                                           Genus # Peosidrilus - Baker and Erséus, 1979
                                                                                                           Genus # Phallodriloides - Erséus, 1992
                                                                                                           Genus # Phallodrilus - Pierantoni, 1902
                                                                                                           Genus # Pirodriloides - Erséus, 1992
                                                                                                           Genus # Pirodrilus - Erséus, 1992
                                                                                                           Genus # Pseudospiridion - Erséus, 1992
                                                                                                           Genus # Somalidrilus - Erséus, 1992
                                                                                                           Genus # Spiridion - Knöllner, 1935
                                                                                                           Genus # Thalassodrilus - Brinkhurst, 1963
                                                                                                           Genus # Uniporodrilus - Erséus, 1979
                                                                                         Subfamily # Pristininae - Lastockin, 1921
                                                                                                           Genus # Pristina - Ehrenberg, 1828
                                                                                         Subfamily # Rhyacodrilinae - Hrabe, 1963
                                                                                                           Genus # Bothrioneurum - Michaelsen, 1900
                                                                                                           Genus # Branchiura - Beddard, 1892
                                                                                                           Genus # Epirodrilus - Hrabe, 1930
                                                                                                           Genus # Giereidrilus - Erséus, 1981
                                                                                                           Genus # Heterodriloides - Erséus, 1981
                                                                                                           Genus # Heterodrilus - Pierantoni, 1902
                                                                                                           Genus # Jolydrilus - Marcus, 1965
                                                                                                           Genus # Macquaridrilus - Jamieson, 1968
                                                                                                           Genus # Monopylephorus - Levinsen, 1884
                                                                                                           Genus # Paranadrilus - Gavrilov, 1955
                                                                                                           Genus # Peristodrilus - Baker and Brinkhurst, 1981
                                                                                                           Genus # Rhizodrilus - F. Smith, 1900
                                                                                                           Genus # Rhyacodrilus - Bretscher, 1901
                                                                                         Subfamily # Telmatodrilinae - Eisen, 1879
                                                                                                           Genus # Alexandrovia - Hrabe, 1962
                                                                                                           Genus # Telmatodrilus - Eisen, 1879
                                                                                         Subfamily # Tubificinae - Vejdovský, 1876
                                                                                                           Genus # Antipodrilus - Brinkhurst, 1971
                                                                                                           Genus # Arctodrilus - Brinkhurst & Kathman, 1983
                                                                                                           Genus # Aulodrilus - Bretscher, 1899
                                                                                                           Genus # Baltidrilus - Timm, 2013
                                                                                                           Genus # Clitellio - Savigny, 1820
                                                                                                           Genus # Haber - Holmquist, 1978
                                                                                                           Genus # Ilyodrilus - Eisen, 1879
                                                                                                           Genus # Isochaetides - Hrabe, 1966
                                                                                                           Genus # Kopilrok - Holmquist, 1985
                                                                                                           Genus # Limnodrilus - Claparède, 1862
                                                                                                           Genus # Peloscolex - Leidy, 1851
                                                                                                           Genus # Potamothrix - Vejdovský & Mrázek, 1902
                                                                                                           Genus # Psammoryctides - Hrabe, 1964
                                                                                                           Genus # Quistadrilus - Brinkhurst, 1981
                                                                                                           Genus # Spirosperma - Eisen, 1879
                                                                                                           Genus # Tasserkidrilus - Holmquist, 1985
                                                                                                           Genus # Teneridrilus - Holmquist, 1985
                                                                                                           Genus # Tubifex - Lamarck, 1816
                                                                                                           Genus # Tubificoides - Lastockin, 1937
                                                                                                           Genus # Varichaetadrilus - Brinkhurst & Kathman, 1983
                                                                                   Family # Narapidae -  
                                                                                   Family # Opistocystidae - Cernosvitov, 1936
                                                                                                           Genus # Crustipellis - Harman & Loden, 1978
                                                                                                           Genus # Opistocysta - Cernosvitov, 1936
                                                                                                           Genus # Trieminentia - Harman & Loden, 1978
                                                                                   Family # Parvidrilidae - Erséus, 1999
                                                                                                           Genus # Parvidrilus - Erséus, 1999
                                                                                   Family # Phreodrilidae -  
                                                                                                           Genus # Phreodrilus - Beddard, 1891
                                                                                   Family # Propappidae - Coates, 1986
                                                                                                           Genus # Propappus - Michaelsen, 1905
                                   Class # Polychaeta -  
                                                                                   Family # Dinophilidae - Remane, 1932
                                                                                                           Genus # Dinophilus - Schmidt, 1848
                                                                                                           Genus # Trilobodrilus - Remane, 1925
                                                                                   Family # Diurodrilidae - Kristensen and Niilonen, 1982
                                                                                   Family # Histriobdellidae - Vaillant, 1890
                                                                                                           Genus # Histriobdella - van Beneden, 1858
                                                                                                           Genus # Stratiodrilus - Haswell, 1900
                                                                                   Family # Laetmonectidae -  
                                                                                   Family # Nerillidae - Levinsen, 1883
                                                                                                           Genus # Meganerilla - Boaden, 1961
                                                                                                           Genus # Mesonerilla - Remane, 1949
                                                                                                           Genus # Nerilla - Schmidt, 1848
                                                                                                           Genus # Nerillidium - Remane, 1925
                                                                                                           Genus # Nerillidopsis - Jouin, 1967
                                                                                                           Genus # Paranerilla - Jouin and Swedmark, 1965
                                                                                                           Genus # Psammoriedlia - Kirsteuer, 1966
                                                                                                           Genus # Thalassochaetus - Ax, 1954
                                                                                                           Genus # Troglochaetus - Delachaux, 1921
                                                                                   Family # Polygordiidae - Czerniavsky, 1881
                                                                                                           Genus # Polygordius - Schneider, 1868
                                                                                   Family # Protodrilidae - Czerniavsky, 1881
                                                                                                           Genus # Protodriloides - Jouin, 1966
                                                                                                           Genus # Protodrilus - Czerniavsky, 1881
                                                                                   Family # Protodriloididae - Purschke and Jouin, 1988
                                                                                   Family # Saccocirridae - Czerniavsky, 1881
                                                                                                           Genus # Saccocirrus - Bobretzky, 1872
                                                                                   Family # Spintheridae - Johnston, 1865
                                                                                                           Genus # Spinther - Johnston, 1845
                                                           Order # Myzostomida -  
                                                                                   Family # Asteriomyzostomidae -  
                                                                                   Family # Asteromyzostomidae -  
                                                                                   Family # Eenymeenymyzostomatidae - Summers and Rouse, 2015
                                                                                   Family # Endomyzostomatidae -  
                                                                                   Family # Myzostomidae - Benham, 1896
                                                                                                           Genus # Myzostomum - Leuckart, 1827
                                                                                   Family # Protomyzostomidae -  
                                                                                   Family # Pulvinomyzostomidae -  
                                         Subclass # Echiura -  
                                                           Order # Bonelliida -  
                                                                                   Family # Bonelliidae - Lacaze-Duthiers, 1858
                                                                                                           Genus # Acanthobonellia - Fisher, 1948
                                                                                                           Genus # Acanthohamingia - Ikeda, 1910
                                                                                                           Genus # Achaetobonellia - Fisher, 1953
                                                                                                           Genus # Alomasoma - Zenkevitch, 1958
                                                                                                           Genus # Amalosoma - Fisher, 1948
                                                                                                           Genus # Archibonellia - Fisher, 1919
                                                                                                           Genus # Biporus - Murina and Popkov, 2000
                                                                                                           Genus # Bonellia - Rolando, 1821
                                                                                                           Genus # Bonelliopsis - Fisher, 1946
                                                                                                           Genus # Bruunellia - Zenkevitch, 1966
                                                                                                           Genus # Charcotus - Datta Gupta, 1981
                                                                                                           Genus # Choanostomellia - Zenkevitch, 1964
                                                                                                           Genus # Dattaguptus - Murina and Popkov, 2000
                                                                                                           Genus # Eubonellia - Fisher, 1946
                                                                                                           Genus # Hamingia - Danielssen and Koren, 1881
                                                                                                           Genus # Ikedella - Monro, 1927
                                                                                                           Genus # Jakobia - Zenkevitch, 1958
                                                                                                           Genus # Kurchatovus - Datta Gupta, 1979
                                                                                                           Genus # Maxmuelleria - Bock, 1942
                                                                                                           Genus # Metabonellia - Stephen and Edmonds, 1972
                                                                                                           Genus # Nellobia - Fisher, 1946
                                                                                                           Genus # Prometor - Fisher, 1948
                                                                                                           Genus # Protobonellia - Ikeda, 1908
                                                                                                           Genus # Pseudobonellia - Johnston and Tiegs, 1919
                                                                                                           Genus # Pseudoikedella - Murina, 1978
                                                                                                           Genus # Sluiterina - Monro, 1927
                                                                                                           Genus # Torbenwolffia - Zenkevitch, 1966
                                                                                                           Genus # Vitjazema - Zenkevitch, 1958
                                                                                                           Genus # Zenkevitchiola - Murina, 1978
                                                                                   Family # Thalassematidae -  
                                                                                                           Genus # Anelassorhynchus - Annandale, 1922
                                                                                                           Genus # Arhynchite - Sato, 1937
                                                                                                           Genus # Ikedosoma - Bock, 1942
                                                                                                           Genus # Lissomyema - Fisher, 1946
                                                                                                           Genus # Listriolobus - Spengel, 1912
                                                                                                           Genus # Ochetostoma - Leuckart and Rüppell, 1828
                                                                                                           Genus # Thalassema - Lamarck, 1801
                                                           Order # Echiurida -  
                                                                                   Family # Echiuridae - Quatrefages, 1847
                                                                                                           Genus # Echiurus - Guérin-Ménéville, 1831
                                                                                   Family # Ikedidae - Bock, 1942
                                                                                                           Genus # Ikeda - Wharton, 1913
                                                                                   Family # Urechidae - Monro, 1927
                                                                                                           Genus # Urechis - Seitz, 1907
                                         Subclass # Errantia -  
                                                           Order # Amphinomida -  
                                                                                   Family # Amphinomidae - Savigny in Lamarck, 1818
                                                                                                           Genus # Amphinome - Bruguiere, 1789
                                                                                                           Genus # Chloeia - Savigny, 1818
                                                                                                           Genus # Eurythoe - Kinberg, 1857
                                                                                                           Genus # Hermodice - Kinberg, 1857
                                                                                                           Genus # Hipponoa - Audouin and Milne-Edwards, 1830
                                                                                                           Genus # Linopherus - Quatrefages, 1865
                                                                                                           Genus # Notopygos - Grube, 1855
                                                                                                           Genus # Paramphinome - Sars, 1869
                                                                                                           Genus # Pareurythoe - Gustafson, 1930
                                                                                                           Genus # Pherecardia - Horst, 1886
                                                                                   Family # Euphrosinidae - Williams, 1851
                                                                                                           Genus # Euphrosine - Savigny, 1818
                                                                                                           Genus # Palmyreuphrosyne - Fauvel, 1913
                                                           Order # Eunicida -  
                                                                                   Family # Dorvilleidae - Chamberlin, 1919
                                                                                                           Genus # Apophryotrocha - Jumars, 1974
                                                                                                           Genus # Arenotrocha - Westheide and Von Nordheim, 1985
                                                                                                           Genus # Diurodrilus - Remane, 1925
                                                                                                           Genus # Dorvillea - Parfitt, 1866
                                                                                                           Genus # Exallopus - Jumars, 1974
                                                                                                           Genus # Iphitime - Marenzeller, 1902
                                                                                                           Genus # Meiodorvillea - Jumars, 1974
                                                                                                           Genus # Ophryotrocha - Claparede and Mecznikow, 1869
                                                                                                           Genus # Ougia - Wolf, 1986
                                                                                                           Genus # Parapodrilus - Westheide, 1965
                                                                                                           Genus # Parophryotrocha - Hartmann-Schroeder, 1971
                                                                                                           Genus # Parougia - Wolf, 1986
                                                                                                           Genus # Pettiboneia - Campoy and St. Martin, 1980
                                                                                                           Genus # Protodorvillea - Pettibone, 1961
                                                                                                           Genus # Pusillotrocha - Westheide and Von Nordheim, 1985
                                                                                                           Genus # Schistomeringos - Jumars, 1974
                                                                                   Family # Eunicidae - Berthold, 1827
                                                                                                           Genus # Eunice - Cuvier, 1817
                                                                                                           Genus # Euniphysa - Wesenberg-Lund, 1949
                                                                                                           Genus # Lysidice - Savigny, 1818
                                                                                                           Genus # Marphysa - Quatrefages, 1865
                                                                                                           Genus # Nematonereis - Schmarda, 1861
                                                                                                           Genus # Palola - Gray, 1847
                                                                                                           Genus # Paramarphysa - Ehlers, 1887
                                                                                   Family # Hartmaniellidae - Imajima, 1977
                                                                                                           Genus # Hartmaniella - Imajima, 1977
                                                                                   Family # Ichthyotomidae - Eisig, 1906
                                                                                                           Genus # Ichthyotomus - Eisig, 1906
                                                                                   Family # Lumbrineridae - Schmarda, 1861
                                                                                                           Genus # Kuwaita - Mohammad, 1973
                                                                                                           Genus # Lumbrinerides - Orensanz, 1974
                                                                                                           Genus # Lumbrineriopsis - Orensanz, 1974
                                                                                                           Genus # Lumbrineris - Blainville, 1828
                                                                                                           Genus # Lysarete - Kinberg, 1865
                                                                                                           Genus # Ninoe - Kinberg, 1865
                                                                                                           Genus # Ophiuricola - Ludwig, 1905
                                                                                                           Genus # Scoletoma - Blainville, 1828
                                                                                   Family # Oenonidae - Kinberg, 1865
                                                                                                           Genus # Arabella - Grube, 1850
                                                                                                           Genus # Biborin - Chamberlin, 1919
                                                                                                           Genus # Drilognathus - Day, 1960
                                                                                                           Genus # Drilonereis - Claparede, 1870
                                                                                                           Genus # Haematocleptes - Wiren, 1886
                                                                                                           Genus # Halla - Costa, 1844
                                                                                                           Genus # Labrorostratus - Saint-Joseph, 1888
                                                                                                           Genus # Notocirrus - Schmarda, 1861
                                                                                                           Genus # Notopsilus - Ehlers, 1868
                                                                                                           Genus # Oenone - Savigny, 1818
                                                                                                           Genus # Oligognathus - Spengel, 1882
                                                                                                           Genus # Tainokia - Knox and Green, 1972
                                                                                   Family # Onuphidae - Kinberg, 1865
                                                                                                           Genus # Americonuphis - Fauchald, 1973
                                                                                                           Genus # Australonuphis - Rozbaczylo and Castilla, 1981
                                                                                                           Genus # Diopatra - Audouin and Milne-Edwards, 1833
                                                                                                           Genus # Epidiopatra - Augener, 1918
                                                                                                           Genus # Hyalinoecia - Malmgren, 1867
                                                                                                           Genus # Kinbergonuphis - Fauchald, 1982
                                                                                                           Genus # Mooreonuphis - Fauchald, 1982
                                                                                                           Genus # Nothria - Malmgren, 1867
                                                                                                           Genus # Onuphis - Audouin and Milne-Edwards, 1833
                                                                                                           Genus # Paradiopatra - Ehlers, 1887
                                                                                                           Genus # Paranorthia - Moore, 1903
                                                                                                           Genus # Paronuphis - Ehlers, 1887
                                                                                                           Genus # Rhamphobrachium - Ehlers, 1887
                                                                                                           Genus # Sarsonuphis - Fauchald, 1982
                                                           Order # Phyllodocida -  
                                                                                   Family # Acoetidae - Kinberg, 1856
                                                                                                           Genus # Acoetes - Audouin and Milne-Edwards, 1832
                                                                                                           Genus # Eupanthalis - McIntosh, 1876
                                                                                                           Genus # Eupolyodontes - Buchanan, 1894
                                                                                                           Genus # Panthalis - Kinberg, 1855
                                                                                                           Genus # Polyodontes - Renier, 1832
                                                                                   Family # Alciopidae - Ehlers, 1864
                                                                                                           Genus # Alciopa - Audouin and Milne-Edwards, 1833
                                                                                                           Genus # Alciopina - Claparede and Panceri, 1867
                                                                                                           Genus # Krohnia - Quatrefages, 1865
                                                                                                           Genus # Naiades - delle Chiaje, 1830
                                                                                                           Genus # Plotohelmis - Chamberlin, 1919
                                                                                                           Genus # Rhynchonereella - Costa, 1864
                                                                                                           Genus # Torrea - Quatrefages, 1865
                                                                                                           Genus # Vanadis - Claparede, 1870
                                                                                   Family # Antonbruunidae - Fauchald, 1977
                                                                                                           Genus # Antonbruunia - Hartman and Boss, 1965
                                                                                   Family # Aphroditidae - Malmgren, 1867
                                                                                                           Genus # Aphrodita - Linnaeus, 1758
                                                                                                           Genus # Aphrogenia - Kinberg, 1855
                                                                                                           Genus # Hermionopsis - Seidler, 1923
                                                                                                           Genus # Heteraphrodita - Pettibone, 1966
                                                                                                           Genus # Laetmonice - Kinberg, 1855
                                                                                                           Genus # Pontogenia - Claparede, 1868
                                                                                                           Genus # Tricertia - Haswell, 1883
                                                                                   Family # Chrysopetalidae - Ehlers, 1864
                                                                                                           Genus # Bhawania - Schmarda, 1861
                                                                                                           Genus # Chrysopetalum - Ehlers, 1864
                                                                                                           Genus # Dysponetus - Levinsen, 1879
                                                                                                           Genus # Paleanotus - Schmarda, 1861
                                                                                   Family # Eulepethidae - Chamberlin, 1919
                                                                                                           Genus # Grubeulepis - Pettibone, 1969
                                                                                                           Genus # Mexieulepis - Rioja, 1961
                                                                                                           Genus # Pareulepis - Darboux, 1899
                                                                                   Family # Glyceridae - Grube, 1850
                                                                                                           Genus # Glycera - Savigny, 1818
                                                                                                           Genus # Hemipodus - Quatrefages, 1865
                                                                                   Family # Goniadidae - Kinberg, 1866
                                                                                                           Genus # Glycinde - Mueller, 1858
                                                                                                           Genus # Goniada - Audouin and Milne-Edwards, 1833
                                                                                                           Genus # Goniadella - Hartman, 1950
                                                                                                           Genus # Goniadides - Hartmann-Schroeder, 1960
                                                                                                           Genus # Ophioglycera - Verrill, 1885
                                                                                                           Genus # Progoniada - Hartman, 1965
                                                                                   Family # Hesionidae - Grube, 1850
                                                                                                           Genus # Amphiduros - Hartman, 1958
                                                                                                           Genus # Dalhousiella - McIntosh, 1901
                                                                                                           Genus # Gyptis - Marion and Bobretzky, 1875
                                                                                                           Genus # Hesiocaeca - Hartman, 1965
                                                                                                           Genus # Hesione - Savigny, 1818
                                                                                                           Genus # Hesionella - Hartman, 1939
                                                                                                           Genus # Hesionides - Friedrich, 1937
                                                                                                           Genus # Hesiospina - Imajima and Hartman, 1964
                                                                                                           Genus # Heteropodarke - Hartmann-Schroeder, 1962
                                                                                                           Genus # Kefersteinia - Quatrefages, 1865
                                                                                                           Genus # Leocrates - Kinberg, 1866
                                                                                                           Genus # Microphthalmus - Mecznikow, 1865
                                                                                                           Genus # Micropodarke - Okuda, 1938
                                                                                                           Genus # Neopodarke - Hartman, 1965
                                                                                                           Genus # Nereimyra - Blainville, 1828
                                                                                                           Genus # Ophiodromus - Sars, 1862
                                                                                                           Genus # Orseis - Ehlers, 1864
                                                                                                           Genus # Parahesione - Pettibone, 1956
                                                                                                           Genus # Podarke - Ehlers, 1864
                                                                                                           Genus # Podarkeopsis - Laubier, 1961
                                                                                                           Genus # Syllidia - Quatrefages, 1866
                                                                                   Family # Iospilidae - Bergstroem, 1914
                                                                                                           Genus # Iospilopsis - Augener, 1922
                                                                                                           Genus # Iospilus - Viguier, 1886
                                                                                   Family # Iphionidae -  
                                                                                                           Genus # Iphione - Kinberg, 1855
                                                                                   Family # Lacydoniidae - Bergstroem, 1914
                                                                                                           Genus # Lacydonia - Marion and Bobretzky, 1875
                                                                                   Family # Lopadorrhynchidae - Claparède, 1870
                                                                                                           Genus # Lopadorrhynchus - Grube, 1855
                                                                                                           Genus # Maupasia - Viguier, 1886
                                                                                                           Genus # Pedinosoma - Reibisch, 1895
                                                                                                           Genus # Pelagobia - Greeff, 1879
                                                                                   Family # Nephtyidae - Grube, 1850
                                                                                                           Genus # Aglaophamus - Kinberg, 1866
                                                                                                           Genus # Inermonephtys - Fauchald, 1968
                                                                                                           Genus # Micronephthys - Friedrich, 1937
                                                                                                           Genus # Nephtys - Cuvier, 1817
                                                                                   Family # Nereididae - Johnston, 1865
                                                                                                           Genus # Ceratocephale - Malmgren, 1867
                                                                                                           Genus # Ceratonereis - Kinberg, 1866
                                                                                                           Genus # Cheilonereis - Benham, 1916
                                                                                                           Genus # Eunereis - Malmgren, 1867
                                                                                                           Genus # Gymnonereis - Horst, 1919
                                                                                                           Genus # Hediste - Malmgren, 1867
                                                                                                           Genus # Kinberginereis - Pettibone, 1971
                                                                                                           Genus # Laeonereis - Hartman, 1945
                                                                                                           Genus # Lycastoides - Johnson, 1903
                                                                                                           Genus # Lycastopsis - Augener, 1922
                                                                                                           Genus # Micronereides - Day, 1963
                                                                                                           Genus # Micronereis - Claparede, 1863
                                                                                                           Genus # Namalycastis - Hartman, 1959
                                                                                                           Genus # Namanereis - Chamberlin, 1919
                                                                                                           Genus # Neanthes - Kinberg, 1866
                                                                                                           Genus # Nereis - Linnaeus, 1758
                                                                                                           Genus # Nicon - Kinberg, 1866
                                                                                                           Genus # Perinereis - Kinberg, 1866
                                                                                                           Genus # Platynereis - Kinberg, 1866
                                                                                                           Genus # Pseudonereis - Kinberg, 1866
                                                                                                           Genus # Rullierinereis - Pettibone, 1971
                                                                                                           Genus # Steninonereis - Wesenberg-Lund, 1958
                                                                                                           Genus # Websterinereis - Pettibone, 1971
                                                                                   Family # Paralacydoniidae - Pettibone, 1963
                                                                                                           Genus # Paralacydonia - Fauvel, 1913
                                                                                   Family # Pholoidae - Kinberg, 1858
                                                                                                           Genus # Pholoe - Johnston, 1839
                                                                                                           Genus # Pholoides - Pruvot, 1895
                                                                                   Family # Phyllodocidae - Oersted, 1843
                                                                                                           Genus # Anaitides - Czerniavsky, 1882
                                                                                                           Genus # Cirrodoce - Hartman and Fauchald, 1971
                                                                                                           Genus # Eteone - Savigny, 1818
                                                                                                           Genus # Eulalia - Savigny, 1818
                                                                                                           Genus # Genetyllis - Malmgren, 1865
                                                                                                           Genus # Hesperophyllum - Chamberlin, 1919
                                                                                                           Genus # Lugia - Quatrefages, 1865
                                                                                                           Genus # Mysta - Malmgren, 1865
                                                                                                           Genus # Mystides - Theel, 1879
                                                                                                           Genus # Phyllodoce - Savigny, 1818
                                                                                                           Genus # Prophyllodoce - Hartman, 1966
                                                                                                           Genus # Pseudeulalia - Eliason, 1962
                                                                                                           Genus # Steggoa - Bergstroem, 1914
                                                                                         Subfamily # Eteoninae - Bergstroem, 1914
                                                                                                           Genus # Eumida - Malmgren, 1865
                                                                                                           Genus # Galapagomystides - Blake, 1985
                                                                                                           Genus # Hesionura - Hartmann-Schroeder, 1958
                                                                                                           Genus # Pirakia - Bergstroem, 1914
                                                                                                           Genus # Protomystides - Czerniavsky, 1882
                                                                                                           Genus # Pseudomystides - Bergstroem, 1914
                                                                                                           Genus # Pterocirrus - Claparede, 1868
                                                                                                           Genus # Sige - Malmgren, 1865
                                                                                         Subfamily # Notophyllinae - Pleijel, 1991
                                                                                                           Genus # Austrophyllum - Bergstroem, 1914
                                                                                                           Genus # Clavadoce - Hartman, 1936
                                                                                                           Genus # Nereiphylla - Blainville, 1828
                                                                                                           Genus # Notophyllum - Oersted, 1843
                                                                                         Subfamily # Phyllodocinae - Oersted, 1843
                                                                                                           Genus # Chaetoparia - Malmgren, 1867
                                                                                                           Genus # Paranaitis - Southern, 1914
                                                                                   Family # Pilargidae - Saint-Joseph, 1899
                                                                                                           Genus # Ancistargis - Jones, 1961
                                                                                                           Genus # Ancistrosyllis - McIntosh, 1879
                                                                                                           Genus # Cabira - Webster, 1879
                                                                                                           Genus # Litocorsa - Pearson, 1970
                                                                                                           Genus # Loandalia - Monro, 1936
                                                                                                           Genus # Otopsis - Ditlevsen, 1917
                                                                                                           Genus # Parandalia - Emerson and Fauchald, 1971
                                                                                                           Genus # Pilargis - Saint-Joseph, 1899
                                                                                                           Genus # Sigambra - Mueller, 1858
                                                                                                           Genus # Synelmis - Chamberlin, 1919
                                                                                   Family # Polynoidae - Malmgren, 1867
                                                                                                           Genus # Adyte - Saint-Joseph, 1899
                                                                                                           Genus # Alentia - Malmgren, 1865
                                                                                                           Genus # Alentiana - Hartman, 1942
                                                                                                           Genus # Allmaniella - McIntosh, 1885
                                                                                                           Genus # Andresia - Prenant, 1924
                                                                                                           Genus # Antinoana - Hartman and Fauchald, 1971
                                                                                                           Genus # Antinoe - Kinberg, 1855
                                                                                                           Genus # Antinoella - Augener, 1928
                                                                                                           Genus # Arcteobia - Annenkova, 1937
                                                                                                           Genus # Arctonoe - Chamberlin, 1920
                                                                                                           Genus # Arctonoella - Buzhinskaja, 1967
                                                                                                           Genus # Australaugeneria - Pettibone, 1969
                                                                                                           Genus # Austrolaenilla - Bergstroem, 1916
                                                                                                           Genus # Barrukia - Bergstroem, 1916
                                                                                                           Genus # Bathyadmetella - Pettibone, 1967
                                                                                                           Genus # Bathymoorea - Pettibone, 1967
                                                                                                           Genus # Benhamipolynoe - Pettibone, 1970
                                                                                                           Genus # Bouchiria - Wesenberg-Lund, 1949
                                                                                                           Genus # Bylgides - Chamberlin, 1919
                                                                                                           Genus # Cervilia - Frickinger, 1916
                                                                                                           Genus # Chaetacanthus - Seidler, 1924
                                                                                                           Genus # Dilepidonotus - Hartman, 1967
                                                                                                           Genus # Drieschella - Augener and Pettibone in Pettibone, 1970
                                                                                                           Genus # Drieschia - Michaelsen, 1892
                                                                                                           Genus # Enipo - Malmgren, 1865
                                                                                                           Genus # Eucranta - Malmgren, 1865
                                                                                                           Genus # Eulagisca - McIntosh, 1885
                                                                                                           Genus # Eunoe - Malmgren, 1865
                                                                                                           Genus # Euphione - McIntosh, 1885
                                                                                                           Genus # Euphionella - Monro, 1936
                                                                                                           Genus # Frennia - Viguier, 1912
                                                                                                           Genus # Gastrolepidia - Schmarda, 1861
                                                                                                           Genus # Gattyana - McIntosh, 1900
                                                                                                           Genus # Gorekia - Bergstroem, 1916
                                                                                                           Genus # Grubeopolynoe - Pettibone, 1969
                                                                                                           Genus # Halosydna - Kinberg, 1855
                                                                                                           Genus # Halosydnella - Hartman, 1938
                                                                                                           Genus # Halosydnopsis - Uschakov and Wu, 1959
                                                                                                           Genus # Harmothoe - Kinberg, 1855
                                                                                                           Genus # Hartmania - Pettibone, 1955
                                                                                                           Genus # Hemilepidia - Schmarda, 1861
                                                                                                           Genus # Herdmanella - Darboux, 1899
                                                                                                           Genus # Hermadion - Kinberg, 1855
                                                                                                           Genus # Hermenia - Grube, 1856
                                                                                                           Genus # Hesperonoe - Chamberlin, 1919
                                                                                                           Genus # Heteropolynoe - Bidenkap, 1907
                                                                                                           Genus # Hololepida - Moore, 1905
                                                                                                           Genus # Hololepidella - Willey, 1905
                                                                                                           Genus # Hyperhalosydna - Augener, 1922
                                                                                                           Genus # Intoshella - Darboux, 1899
                                                                                                           Genus # Kermadecella - Darboux, 1899
                                                                                                           Genus # Lagisca - Malmgren, 1865
                                                                                                           Genus # Lepidasthenia - Malmgren, 1867
                                                                                                           Genus # Lepidastheniella - Monro, 1924
                                                                                                           Genus # Lepidofimbria - Hartman, 1967
                                                                                                           Genus # Lepidogyra - Hartman, 1967
                                                                                                           Genus # Lepidonotus - Leach, 1816
                                                                                                           Genus # Leucia - Malmgren, 1867
                                                                                                           Genus # Lucopia - Pillai, 1965
                                                                                                           Genus # Macellicephala - McIntosh, 1885
                                                                                                           Genus # Macellicephaloides - Uschakov, 1955
                                                                                                           Genus # Macelloides - Uschakov, 1957
                                                                                                           Genus # Malmgrenia - McIntosh, 1874
                                                                                                           Genus # Malmgreniella - Hartman, 1967
                                                                                                           Genus # Melaenis - Malmgren, 1865
                                                                                                           Genus # Nemidia - Malmgren, 1865
                                                                                                           Genus # Neohololepidella - Pettibone, 1969
                                                                                                           Genus # Paradyte - Pettibone, 1969
                                                                                                           Genus # Parahalosydna - Horst, 1915
                                                                                                           Genus # Parahololepidella - Pettibone, 1969
                                                                                                           Genus # Paralepidonotus - Horst, 1915
                                                                                                           Genus # Perolepis - Ehlers, 1908
                                                                                                           Genus # Phyllohartmania - Pettibone, 1961
                                                                                                           Genus # Phyllosheila - Pettibone, 1961
                                                                                                           Genus # Podarmus - Chamberlin, 1919
                                                                                                           Genus # Polyeunoa - McIntosh, 1885
                                                                                                           Genus # Polynoe - Savigny, 1818
                                                                                                           Genus # Polynoella - McIntosh, 1885
                                                                                                           Genus # Pottsiscalisetosus - Pettibone, 1969
                                                                                                           Genus # Pseudohalosydna - Fauvel, 1913
                                                                                                           Genus # Pseudopolynoe - Day, 1962
                                                                                                           Genus # Robertianella - McIntosh, 1885
                                                                                                           Genus # Scalisetosus - McIntosh, 1885
                                                                                                           Genus # Sheila - Monro, 1930
                                                                                                           Genus # Subadyte - Pettibone, 1969
                                                                                                           Genus # Telolepidasthenia - Augener and Pettibone in Pettibone, 1970
                                                                                                           Genus # Tenonia - Nichols, 1969
                                                                                                           Genus # Thormora - Baird, 1865
                                                                                                           Genus # Uncopolynoe - Hartmann-Schroeder, 1960
                                                                                                           Genus # Weberia - Horst, 1915
                                                                                   Family # Pontodoridae - Bergstroem, 1914
                                                                                   Family # Sigalionidae -  
                                                                                                           Genus # Ehlersileanira - Pettibone, 1970
                                                                                                           Genus # Eupholoe - McIntosh, 1885
                                                                                                           Genus # Euthalanessa - Darboux, 1899
                                                                                                           Genus # Fimbriosthenelais - Pettibone, 1971
                                                                                                           Genus # Horstileanira - Pettibone, 1970
                                                                                                           Genus # Leanira - Kinberg, 1855
                                                                                                           Genus # Neoleanira - Pettibone, 1970
                                                                                                           Genus # Pareupholoe - Hartmann-Schroeder, 1962
                                                                                                           Genus # Pisione - Grube, 1857
                                                                                                           Genus # Pisionella - Hartman, 1939
                                                                                                           Genus # Pisionidens - Aiyar and Alikunhi, 1943
                                                                                                           Genus # Psammolyce - Kinberg, 1855
                                                                                                           Genus # Sigalion - Audouin and Milne-Edwards, 1832
                                                                                                           Genus # Sthenelais - Kinberg, 1855
                                                                                                           Genus # Sthenelanella - Moore, 1910
                                                                                                           Genus # Sthenolepis - Willey, 1905
                                                                                                           Genus # Thalenessa - Baird, 1868
                                                                                   Family # Sphaerodoridae - Malmgren, 1867
                                                                                                           Genus # Clavodorum - Hartman and Fauchald, 1971
                                                                                                           Genus # Commensodorum - Fauchald, 1974
                                                                                                           Genus # Ephesiella - Chamberlin, 1919
                                                                                                           Genus # Ephesiopsis - Hartman and Fauchald, 1971
                                                                                                           Genus # Sphaerephesia - Fauchald, 1972
                                                                                                           Genus # Sphaerodoridium - Luetzen, 1961
                                                                                                           Genus # Sphaerodoropsis - Hartman and Fauchald, 1971
                                                                                                           Genus # Sphaerodorum - Oersted, 1843
                                                                                   Family # Syllidae - Grube, 1850
                                                                                                           Genus # Amblyosyllis - Grube, 1857
                                                                                                           Genus # Autolytus - Grube, 1850
                                                                                                           Genus # Branchiosyllis - Ehlers, 1887
                                                                                                           Genus # Brania - Quatrefages, 1866
                                                                                                           Genus # Braniella - Hartman, 1965
                                                                                                           Genus # Calamyzas - Arwidsson, 1932
                                                                                                           Genus # Campesyllis - Chamberlin, 1919
                                                                                                           Genus # Dentatisyllis - Perkins, 1981
                                                                                                           Genus # Dioplosyllis - Gidholm, 1962
                                                                                                           Genus # Ehlersia - Quatrefages, 1865
                                                                                                           Genus # Eurysyllis - Ehlers, 1864
                                                                                                           Genus # Eusyllis - Malmgren, 1867
                                                                                                           Genus # Exogone - Oersted, 1845
                                                                                                           Genus # Exogonella - Hartman, 1961
                                                                                                           Genus # Fauvelia - Gravier, 1900
                                                                                                           Genus # Haplosyllis - Langerhans, 1879
                                                                                                           Genus # Langerhansia - Czerniavsky, 1881
                                                                                                           Genus # Levidorum - Hartman, 1967
                                                                                                           Genus # Myrianida - H. Milne Edwards, 1845
                                                                                                           Genus # Odontosyllis - Claparede, 1863
                                                                                                           Genus # Opisthodonta - Langerhans, 1879
                                                                                                           Genus # Opisthosyllis - Langerhans, 1879
                                                                                                           Genus # Parapionosyllis - Fauvel, 1923
                                                                                                           Genus # Parasphaerosyllis - Monro, 1937
                                                                                                           Genus # Petitia - Siewing, 1955
                                                                                                           Genus # Pionosyllis - Malmgren, 1867
                                                                                                           Genus # Plakosyllis - Hartmann-Schroeder, 1956
                                                                                                           Genus # Proceraea - Ehlers, 1864
                                                                                                           Genus # Procerastea - Langerhans, 1884
                                                                                                           Genus # Sphaerosyllis - Claparede, 1863
                                                                                                           Genus # Streptosyllis - Webster and Benedict, 1884
                                                                                                           Genus # Syllides - Oersted, 1845
                                                                                                           Genus # Syllis - Savigny, 1818
                                                                                                           Genus # Trypanosyllis - Claparede, 1864
                                                                                                           Genus # Typosyllis - Langerhans, 1879
                                                                                                           Genus # Xenosyllis - Marion and Bobretzky, 1875
                                                                                   Family # Tomopteridae - Johnston, 1865
                                                                                                           Genus # Tomopteris - Eschscholtz, 1825
                                                                                   Family # Typhloscolecidae - Uljanin, 1878
                                                                                                           Genus # Sagitella - Wagner, 1872
                                                                                                           Genus # Travisiopsis - Levinsen, 1885
                                                                                                           Genus # Typhloscolex - Busch, 1851
                                         Subclass # Sedentaria -  
                                               Infraclass # Canalipalpata -  
                                                                                   Family # Chaetopteridae - Audouin and Milne-Edwards, 1833
                                                                                                           Genus # Chaetopterus - Cuvier, 1827
                                                                                                           Genus # Mesochaetopterus - Potts, 1914
                                                                                                           Genus # Phyllochaetopterus - Grube, 1863
                                                                                                           Genus # Spiochaetopterus - Sars, 1853
                                                           Order # Sabellida -  
                                                                                   Family # Fabriciidae -  
                                                                                                           Genus # Augeneriella - Banse, 1957
                                                                                                           Genus # Fabricia - Blainville, 1828
                                                                                                           Genus # Fabriciola - Friedrich, 1939
                                                                                                           Genus # Manayunkia - Leidy, 1859
                                                                                   Family # Oweniidae - Rioja, 1917
                                                                                                           Genus # Galathowenia - Kirkegaard, 1959
                                                                                                           Genus # Myriochele - Malmgren, 1867
                                                                                                           Genus # Myrioglobula - Hartman, 1967
                                                                                                           Genus # Myriowenia - Hartman, 1960
                                                                                                           Genus # Owenia - Delle Chiaje, 1841
                                                                                   Family # Sabellariidae - Johnston, 1865
                                                                                                           Genus # Gunnarea - Johansson, 1927
                                                                                                           Genus # Idanthyrsus - Kinberg, 1867
                                                                                                           Genus # Lygdamis - Kinberg, 1867
                                                                                                           Genus # Monorchos - Treadwell, 1926
                                                                                                           Genus # Phalacrostemma - Marenzeller, 1895
                                                                                                           Genus # Phragmatopoma - Moerch, 1863
                                                                                                           Genus # Sabellaria - Savigny, 1818
                                                                                   Family # Sabellidae - Malmgren, 1867
                                                                                                           Genus # Amphiglena - Claparede, 1864
                                                                                                           Genus # Bispira - Kroeyer, 1856
                                                                                                           Genus # Branchiomma - Koelliker, 1858
                                                                                                           Genus # Chone - Kroeyer, 1856
                                                                                                           Genus # Demonax - Kinberg, 1867
                                                                                                           Genus # Desdemona - Banse, 1957
                                                                                                           Genus # Dialychone - Claparede, 1870
                                                                                                           Genus # Distylidia - Hartman, 1961
                                                                                                           Genus # Euchone - Malmgren, 1866
                                                                                                           Genus # Eudistylia - Bush, 1904
                                                                                                           Genus # Euratella - Chamberlin, 1919
                                                                                                           Genus # Fabrisabella - Hartman, 1969
                                                                                                           Genus # Hypsicomus - Grube, 1870
                                                                                                           Genus # Jasmineira - Langerhans, 1880
                                                                                                           Genus # Laonome - Malmgren, 1866
                                                                                                           Genus # Megalomma - Johansson, 1926
                                                                                                           Genus # Myxicola - Koch in Renier, 1847
                                                                                                           Genus # Notaulax - Tauber, 1879
                                                                                                           Genus # Oriopsis - Caullery and Mesnil, 1896
                                                                                                           Genus # Potamethus - Chamberlin, 1919
                                                                                                           Genus # Potamilla - Malmgren, 1866
                                                                                                           Genus # Pseudobranchiomma - Jones, 1962
                                                                                                           Genus # Sabella - Linnaeus, 1767
                                                                                                           Genus # Sabellastarte - Savigny, 1818
                                                                                                           Genus # Schizobranchia - Bush, 1904
                                                                                                           Genus # Spirographis - Viviani, 1805
                                                                                   Family # Serpulidae - Johnston, 1865
                                                                                                           Genus # Amplaria - Knight-Jones, 1973
                                                                                                           Genus # Anomalorbis - Vine, 1972
                                                                                                           Genus # Apomatus - Philippi, 1844
                                                                                                           Genus # Bushiella - Knight-Jones, 1973
                                                                                                           Genus # Capeospira - Pillai, 1970
                                                                                                           Genus # Chitinopoma - Levinsen, 1884
                                                                                                           Genus # Circeis - Saint-Joseph, 1894
                                                                                                           Genus # Crucigera - Benedict, 1887
                                                                                                           Genus # Dexiospira - Caullery and Mesnil, 1897
                                                                                                           Genus # Dextralia - Knight-Jones, 1973
                                                                                                           Genus # Ditrupa - Berkeley, 1835
                                                                                                           Genus # Eulaeospira - Pillai, 1970
                                                                                                           Genus # Ficopomatus - Southern, 1921
                                                                                                           Genus # Filograna - Oken, 1815
                                                                                                           Genus # Filogranella - Ben-Eliahu and Dafni, 1979
                                                                                                           Genus # Filogranula - Langerhans, 1884
                                                                                                           Genus # Hyalopomatus - Marenzeller, 1878
                                                                                                           Genus # Hydroides - Gunnerus, 1768
                                                                                                           Genus # Janua - Saint-Joseph, 1894
                                                                                                           Genus # Josephella - Caullery and Mesnil, 1896
                                                                                                           Genus # Leodora - Saint-Joseph, 1894
                                                                                                           Genus # Metavermilia - Bush, 1904
                                                                                                           Genus # Neodexiospira - Pillai, 1970
                                                                                                           Genus # Neovermilia - Day, 1961
                                                                                                           Genus # Nidificaria -  
                                                                                                           Genus # Paradexiospira - Caullery and Mesnil, 1897
                                                                                                           Genus # Paralaeospira - Caullery and Mesnil, 1897
                                                                                                           Genus # Pileolaria - Claparede, 1870
                                                                                                           Genus # Placostegus - Philippi, 1844
                                                                                                           Genus # Pomatoceros - Philippi, 1844
                                                                                                           Genus # Pomatoleios - Pixell, 1913
                                                                                                           Genus # Pomatostegus - Schmarda, 1861
                                                                                                           Genus # Protolaeospira - Pixell, 1912
                                                                                                           Genus # Protula - Risso, 1826
                                                                                                           Genus # Pseudochitinopoma - Zibrowius, 1969
                                                                                                           Genus # Pseudovermilia - Bush, 1907
                                                                                                           Genus # Salmacina - Claparede, 1870
                                                                                                           Genus # Semivermilia - Imajima, 1978
                                                                                                           Genus # Serpula - Linnaeus, 1767
                                                                                                           Genus # Simplicaria - Knight-Jones, 1973
                                                                                                           Genus # Spirobranchus - Blainville, 1818
                                                                                                           Genus # Spirorbis - Daudin, 1800
                                                                                                           Genus # Vermiliopsis - Saint-Joseph, 1894
                                                                                                           Genus # Vinearia -  
                                                                                   Family # Siboglinidae - Caullery, 1914
                                                                                                           Genus # Birsteinia - Ivanov, 1952
                                                                                                           Genus # Cyclobrachia - Ivanov, 1960
                                                                                                           Genus # Diplobrachia - Ivanov, 1960
                                                                                                           Genus # Escarpia - Jones, 1985
                                                                                                           Genus # Galathealinum - Kirkegaard, 1956
                                                                                                           Genus # Heptabrachia - Ivanov, 1952
                                                                                                           Genus # Lamellibrachia - Webb, 1969
                                                                                                           Genus # Lamellisabella - Uschakov, 1933
                                                                                                           Genus # Nereilinum - Ivanov, 1961
                                                                                                           Genus # Oasisia - Jones, 1985
                                                                                                           Genus # Oligobrachia - Ivanov, 1957
                                                                                                           Genus # Polybrachia - Ivanov, 1952
                                                                                                           Genus # Ridgeia - Jones, 1985
                                                                                                           Genus # Riftia - Jones, 1981
                                                                                                           Genus # Sclerolinum - Southward, 1961
                                                                                                           Genus # Siboglinoides - Ivanov, 1961
                                                                                                           Genus # Siboglinum - Caullery, 1914
                                                                                                           Genus # Spirobrachia - Ivanov, 1952
                                                                                                           Genus # Tevnia - Jones, 1985
                                                                                                           Genus # Zenkevitchiana - Ivanov, 1957
                                                           Order # Spionida -  
                                                                                   Family # Aberrantidae - Wolf, 1987
                                                                                                           Genus # Aberranta - Hartman, 1965
                                                                                   Family # Apistobranchidae - Mesnil and Caullery, 1898
                                                                                                           Genus # Apistobranchus - Levinsen, 1883
                                                                                   Family # Longosomatidae - Hartman, 1944
                                                                                                           Genus # Heterospio - Ehlers, 1874
                                                                                   Family # Magelonidae - Cunningham and Ramage, 1888
                                                                                                           Genus # Magelona - Mueller, 1858
                                                                                   Family # Poecilochaetidae - Hannerz, 1956
                                                                                                           Genus # Poecilochaetus - Claparede, 1875
                                                                                   Family # Spionidae - Grube, 1850
                                                                                                           Genus # Anaspio - Chamberlin, 1920
                                                                                                           Genus # Aonides - Claparede, 1864
                                                                                                           Genus # Apoprionospio - Foster, 1969
                                                                                                           Genus # Aquilaspio - Foster, 1971
                                                                                                           Genus # Aurospiro - Maciolek, 1981
                                                                                                           Genus # Australospio - Blake and Kudenov, 1978
                                                                                                           Genus # Boccardia - Carazzi, 1895
                                                                                                           Genus # Boccardiella - Blake and Kudenov, 1978
                                                                                                           Genus # Carazziella - Blake and Kudenov, 1978
                                                                                                           Genus # Dispio - Hartman, 1951
                                                                                                           Genus # Laonice - Malmgren, 1867
                                                                                                           Genus # Malacoceros - Quatrefages, 1843
                                                                                                           Genus # Marenzelleria - Mesnil, 1896
                                                                                                           Genus # Mesospio - Gravier, 1911
                                                                                                           Genus # Microspio - Mesnil, 1896
                                                                                                           Genus # Minuspio - Foster, 1971
                                                                                                           Genus # Morants - Chamberlin, 1919
                                                                                                           Genus # Paraprionospio - Caullery, 1914
                                                                                                           Genus # Polybranchia - Potts, 1928
                                                                                                           Genus # Polydora - Bosc, 1802
                                                                                                           Genus # Polydorella - Augener, 1914
                                                                                                           Genus # Prionospio - Malmgren, 1867
                                                                                                           Genus # Pseudomalacoceros - Czerniavsky, 1881
                                                                                                           Genus # Pseudopolydora - Czerniavsky, 1881
                                                                                                           Genus # Pygospio - Claparede, 1863
                                                                                                           Genus # Rhynchospio - Hartman, 1936
                                                                                                           Genus # Scolecolepides - Ehlers, 1907
                                                                                                           Genus # Scolelepis - Blainville, 1828
                                                                                                           Genus # Spio - Fabricius, 1785
                                                                                                           Genus # Spiophanes - Grube, 1860
                                                                                                           Genus # Streblospio - Webster, 1879
                                                                                                           Genus # Tripolydora - Woodwick, 1964
                                                                                   Family # Trochochaetidae - Pettibone, 1963
                                                                                                           Genus # Trochochaeta - Levinsen, 1884
                                                                                   Family # Uncispionidae - Green, 1982
                                                           Order # Terebellida -  
                                                                                   Family # Acrocirridae - Banse, 1969
                                                                                                           Genus # Acrocirrus - Grube, 1872
                                                                                                           Genus # Flabelligella - Hartman, 1965
                                                                                                           Genus # Macrochaeta - Grube, 1850
                                                                                   Family # Alvinellidae - Desbruyeres and Laubier, 1986
                                                                                   Family # Ampharetidae - Malmgren, 1866
                                                                                                           Genus # Alkmaria - Horst, 1919
                                                                                                           Genus # Amage - Malmgren, 1866
                                                                                                           Genus # Amelinna - Hartman, 1969
                                                                                                           Genus # Ampharana - Hartman, 1967
                                                                                                           Genus # Ampharete - Malmgren, 1866
                                                                                                           Genus # Amphicteis - Grube, 1850
                                                                                                           Genus # Amphisamytha - Hessle, 1917
                                                                                                           Genus # Amythas - Benham, 1912
                                                                                                           Genus # Amythasides - Eliason, 1955
                                                                                                           Genus # Anobothrus - Levinsen, 1884
                                                                                                           Genus # Asabellides - Annenkova, 1929
                                                                                                           Genus # Auchenoplax - Ehlers, 1887
                                                                                                           Genus # Ecamphicteis - Fauchald, 1972
                                                                                                           Genus # Eclysippe - Eliason, 1955
                                                                                                           Genus # Egamella - Fauchald, 1972
                                                                                                           Genus # Eusamytha - McIntosh, 1885
                                                                                                           Genus # Eusamythella - Hartman, 1971
                                                                                                           Genus # Glyphanostomum - Levinsen, 1884
                                                                                                           Genus # Grubianella - McIntosh, 1885
                                                                                                           Genus # Hypania - Ostroumouw, 1897
                                                                                                           Genus # Hypaniola - Annenkova, 1927
                                                                                                           Genus # Irana - Wesenberg-Lund, 1949
                                                                                                           Genus # Isolda - Mueller, 1858
                                                                                                           Genus # Lysippe - Malmgren, 1866
                                                                                                           Genus # Lysippides - Hessle, 1917
                                                                                                           Genus # Melinantipoda - Hartman, 1967
                                                                                                           Genus # Melinna - Malmgren, 1866
                                                                                                           Genus # Melinnampharete - Annenkova, 1937
                                                                                                           Genus # Melinnata - Hartman, 1965
                                                                                                           Genus # Melinnexis - Annenkova, 1931
                                                                                                           Genus # Melinnoides - Benham, 1927
                                                                                                           Genus # Melinnopsides - Day, 1964
                                                                                                           Genus # Melinnopsis - McIntosh, 1885
                                                                                                           Genus # Mexamage - Fauchald, 1972
                                                                                                           Genus # Moyanus - Chamberlin, 1919
                                                                                                           Genus # Mugga - Eliason, 1955
                                                                                                           Genus # Muggoides - Hartman, 1965
                                                                                                           Genus # Neopaiwa - Hartman and Fauchald, 1971
                                                                                                           Genus # Neosabellides - Hessle, 1917
                                                                                                           Genus # Neosamytha - Hartman, 1967
                                                                                                           Genus # Oeorpata - Kinberg, 1867
                                                                                                           Genus # Pabits - Chamberlin, 1919
                                                                                                           Genus # Paiwa - Chamberlin, 1919
                                                                                                           Genus # Paramage - Caullery, 1944
                                                                                                           Genus # Paramphicteis - Caullery, 1944
                                                                                                           Genus # Parhypania - Annenkova, 1928
                                                                                                           Genus # Phyllampharete - Hartman and Fauchald, 1971
                                                                                                           Genus # Phyllamphicteis - Augener, 1918
                                                                                                           Genus # Phyllocomus - Grube, 1877
                                                                                                           Genus # Pterampharete - Augener, 1918
                                                                                                           Genus # Pterolysippe - Augener, 1918
                                                                                                           Genus # Sabellides - H. Milne Edwards in Malmgren, 1866
                                                                                                           Genus # Samytha - Malmgren, 1866
                                                                                                           Genus # Samythella - Verrill, 1873
                                                                                                           Genus # Samythopsis - McIntosh, 1885
                                                                                                           Genus # Schistocomus - Chamberlin, 1919
                                                                                                           Genus # Sosane - Malmgren, 1866
                                                                                                           Genus # Sosanella - Hartman, 1965
                                                                                                           Genus # Sosanides - Hartmann-Schroeder, 1965
                                                                                                           Genus # Sosanopsis - Hessle, 1917
                                                                                                           Genus # Weddellia - Hartman, 1967
                                                                                   Family # Cirratulidae - Ryckholt, 1851
                                                                                                           Genus # Aphelochaeta - Blake, 1991
                                                                                                           Genus # Caulleriella - Chamberlin, 1919
                                                                                                           Genus # Chaetozone - Malmgren, 1867
                                                                                                           Genus # Cirratulus - Lamarck, 1818
                                                                                                           Genus # Cirriformia - Hartman, 1936
                                                                                                           Genus # Dodecaceria - Oersted, 1843
                                                                                                           Genus # Raricirrus - Hartman, 1961
                                                                                                           Genus # Tharyx - Webster and Benedict, 1887
                                                                                                           Genus # Timarete - Kinberg, 1866
                                                                                   Family # Ctenodrilidae - Kennel, 1882
                                                                                                           Genus # Ctenodrilus - Claparede, 1863
                                                                                                           Genus # Rhaphidrilus - Monticelli, 1910
                                                                                                           Genus # Zeppelinia - Vaillant, 1890
                                                                                   Family # Fauveliopsidae - Hartman, 1971
                                                                                                           Genus # Bruunilla - Hartman, 1971
                                                                                                           Genus # Fauveliopsis - McIntosh, 1922
                                                                                                           Genus # Flota - Hartman, 1967
                                                                                   Family # Flabelligeridae - Saint-Joseph, 1894
                                                                                                           Genus # Brada - Stimpson, 1854
                                                                                                           Genus # Bradabyssa - Hartman, 1967
                                                                                                           Genus # Buskiella - McIntosh, 1885
                                                                                                           Genus # Coppingeria - Haswell, 1892
                                                                                                           Genus # Diplocirrus - Haase, 1915
                                                                                                           Genus # Flabelliderma - Hartman, 1969
                                                                                                           Genus # Flabelligera - Sars, 1829
                                                                                                           Genus # Ilyphagus - Chamberlin, 1919
                                                                                                           Genus # Pantoithrix - Chamberlin, 1919
                                                                                                           Genus # Pherusa - Oken, 1807
                                                                                                           Genus # Piromis - Kinberg, 1867
                                                                                                           Genus # Therochaeta - Chamberlin, 1919
                                                                                                           Genus # Therochaetella - Hartman, 1967
                                                                                                           Genus # Trophoniella - Caullery, 1944
                                                                                   Family # Pectinariidae - Quatrefages, 1866
                                                                                                           Genus # Amphictene - Savigny, 1818
                                                                                                           Genus # Cistenides - Malmgren, 1866
                                                                                                           Genus # Pectinaria - Savigny in Lamarck, 1818
                                                                                                           Genus # Petta - Malmgren, 1866
                                                                                   Family # Poeobiidae - Heath, 1930
                                                                                                           Genus # Poeobius - Heath, 1930
                                                                                   Family # Polycirridae -  
                                                                                                           Genus # Amaeana - Hartman, 1959
                                                                                                           Genus # Enoplobranchus - Webster, 1879
                                                                                                           Genus # Hauchiella - Levinsen, 1893
                                                                                                           Genus # Lysilla - Malmgren, 1866
                                                                                                           Genus # Polycirrus - Grube, 1850
                                                                                   Family # Sternaspidae - Carus, 1863
                                                                                                           Genus # Sternaspis - Otto, 1821
                                                                                   Family # Telothelepodidae - Nogueira, Fitzhugh and Hutchings, 2013
                                                                                                           Genus # Parathelepus - Caullery, 1915
                                                                                                           Genus # Telothelepus - Day, 1955
                                                                                   Family # Terebellidae - Malmgren, 1867
                                                                                                           Genus # Amphitrite - O. F. Mueller, 1771
                                                                                                           Genus # Amphitritides - Augener, 1922
                                                                                                           Genus # Artacama - Malmgren, 1866
                                                                                                           Genus # Artacamella - Hartman, 1955
                                                                                                           Genus # Axionice - Malmgren, 1866
                                                                                                           Genus # Betapista - Banse, 1980
                                                                                                           Genus # Colymmatops - Peters, 1854
                                                                                                           Genus # Eupolymnia - Verrill, 1900
                                                                                                           Genus # Lanassa - Malmgren, 1866
                                                                                                           Genus # Lanice - Malmgren, 1866
                                                                                                           Genus # Laphania - Malmgren, 1866
                                                                                                           Genus # Leaena - Malmgren, 1866
                                                                                                           Genus # Loimia - Malmgren, 1866
                                                                                                           Genus # Melinella - McIntosh, 1914
                                                                                                           Genus # Naneva - Chamberlin, 1919
                                                                                                           Genus # Neoamphitrite - Hessle, 1917
                                                                                                           Genus # Neoleprea - Hessle, 1917
                                                                                                           Genus # Nicolea - Malmgren, 1866
                                                                                                           Genus # Pista - Malmgren, 1866
                                                                                                           Genus # Proclea - Saint-Joseph, 1894
                                                                                                           Genus # Scionella - Moore, 1903
                                                                                                           Genus # Scionides - Chamberlin, 1919
                                                                                                           Genus # Spinosphaera - Hessle, 1917
                                                                                                           Genus # Stschapovella - Levenstein, 1957
                                                                                                           Genus # Terebella - Linnaeus, 1767
                                                                                                           Genus # Terebellanice - Hartmann-Schroeder, 1962
                                                                                                           Genus # Terebellobranchia - Day, 1951
                                                                                   Family # Thelepodidae -  
                                                                                                           Genus # Euthelepus - McIntosh, 1885
                                                                                                           Genus # Streblosoma - Sars, 1872
                                                                                                           Genus # Thelepides - Gravier, 1911
                                                                                                           Genus # Thelepus - Leuckart, 1849
                                                                                   Family # Trichobranchidae - Malmgren, 1866
                                                                                                           Genus # Octobranchus - Marion and Bobretzky, 1875
                                                                                                           Genus # Terebellides - Sars, 1835
                                                                                                           Genus # Trichobranchus - Malmgren, 1866
                                               Infraclass # Scolecida -  
                                                                                   Family # Arenicolidae - Johnston, 1835
                                                                                                           Genus # Abarenicola - Wells, 1959
                                                                                                           Genus # Arenicola - Lamarck, 1801
                                                                                                           Genus # Arenicolides - Mesnil, 1898
                                                                                                           Genus # Branchiomaldane - Langerhans, 1881
                                                                                   Family # Capitellidae - Grube, 1862
                                                                                                           Genus # Amastigos - Piltz, 1976
                                                                                                           Genus # Anotomastus - Hartman, 1947
                                                                                                           Genus # Barantolla - Southern, 1921
                                                                                                           Genus # Capitella - Blainville, 1828
                                                                                                           Genus # Capitellethus - Chamberlin, 1919
                                                                                                           Genus # Capitellides - Mesnil, 1897
                                                                                                           Genus # Capitomastus - Eisig, 1887
                                                                                                           Genus # Dasybranchetus - Monro, 1931
                                                                                                           Genus # Dasybranchus - Grube, 1850
                                                                                                           Genus # Decamastus - Hartman, 1963
                                                                                                           Genus # Dodecaseta - McCammon, 1970
                                                                                                           Genus # Eunotomastus - McIntosh, 1885
                                                                                                           Genus # Heteromastus - Eisig, 1887
                                                                                                           Genus # Leiocapitella - Hartman, 1947
                                                                                                           Genus # Leiochrides - Augener, 1914
                                                                                                           Genus # Leiochrus - Ehlers, 1908
                                                                                                           Genus # Mastobranchus - Eisig, 1887
                                                                                                           Genus # Mediomastus - Hartman, 1944
                                                                                                           Genus # Neoheteromastus - Hartman, 1960
                                                                                                           Genus # Neomediomastus - Hartman, 1969
                                                                                                           Genus # Neonotomastus - Fauchald, 1972
                                                                                                           Genus # Notomastus - Sars, 1850
                                                                                                           Genus # Parheteromastus - Monro, 1937
                                                                                                           Genus # Peresiella - Harmelin, 1968
                                                                                                           Genus # Pseudocapitella - Fauvel, 1913
                                                                                                           Genus # Pseudoleiocapitella - Harmelin, 1964
                                                                                                           Genus # Pulliella - Fauvel, 1929
                                                                                                           Genus # Scyphoproctus - Gravier, 1904
                                                                                   Family # Cossuridae - Day, 1963
                                                                                                           Genus # Cossura - Webster and Benedict, 1887
                                                                                                           Genus # Cossurella - Hartman, 1971
                                                                                   Family # Maldanidae - Malmgren, 1867
                                                                                                           Genus # Asychis - Kinberg, 1867
                                                                                                           Genus # Axiothella - Verrill, 1900
                                                                                                           Genus # Boguea - Hartman, 1945
                                                                                                           Genus # Boguella - Hartman and Fauchald, 1971
                                                                                                           Genus # Branchioasychis - Monro, 1939
                                                                                                           Genus # Clymaldane - Mesnil and Fauvel, 1939
                                                                                                           Genus # Clymenella - Verrill, 1873
                                                                                                           Genus # Clymenopsis - Verrill, 1900
                                                                                                           Genus # Clymenura - Verrill, 1900
                                                                                                           Genus # Euclymene - Verrill, 1900
                                                                                                           Genus # Gravierella - Fauvel, 1919
                                                                                                           Genus # Heteroclymene - Arwidsson, 1907
                                                                                                           Genus # Isocirrus - Arwidsson, 1907
                                                                                                           Genus # Johnstonia - Quatrefages, 1850
                                                                                                           Genus # Lumbriclymene - Sars, 1872
                                                                                                           Genus # Macroclymene - Verrill, 1900
                                                                                                           Genus # Maldane - Grube, 1860
                                                                                                           Genus # Maldanella - McIntosh, 1885
                                                                                                           Genus # Microclymene - Arwidsson, 1907
                                                                                                           Genus # Micromaldane - Mesnil, 1897
                                                                                                           Genus # Nicomache - Malmgren, 1865
                                                                                                           Genus # Notoproctus - Arwidsson, 1907
                                                                                                           Genus # Petaloproctus - Quatrefages, 1865
                                                                                                           Genus # Praxillella - Verrill, 1881
                                                                                                           Genus # Praxillura - Verrill, 1880
                                                                                                           Genus # Proclymene - Arwidsson, 1907
                                                                                                           Genus # Rhodine - Malmgren, 1865
                                                                                   Family # Opheliidae - Malmgren, 1867
                                                                                                           Genus # Ammotrypanella - McIntosh, 1879
                                                                                                           Genus # Antiobactrum - Chamberlin, 1919
                                                                                                           Genus # Armandia - Filippi, 1861
                                                                                                           Genus # Euzonus - Grube, 1866
                                                                                                           Genus # Kesun - Chamberlin, 1919
                                                                                                           Genus # Ophelia - Savigny, 1818
                                                                                                           Genus # Ophelina - Oersted, 1843
                                                                                                           Genus # Polyophthalmus - Quatrefages, 1850
                                                                                                           Genus # Tachytrypane - McIntosh, 1879
                                                                                                           Genus # Thoracophelia - Ehlers, 1897
                                                                                                           Genus # Travisia - Johnston, 1840
                                                                                   Family # Orbiniidae - Hartman, 1942
                                                                                                           Genus # Berkeleya - Hartman, 1971
                                                                                                           Genus # Califia - Hartman, 1957
                                                                                                           Genus # Haploscoloplos - Monro, 1933
                                                                                                           Genus # Leitoscoloplos - Day, 1977
                                                                                                           Genus # Microrbinia - Hartman, 1965
                                                                                                           Genus # Naineris - Blainville, 1828
                                                                                                           Genus # Orbinia - Quatrefages, 1865
                                                                                                           Genus # Orbiniella - Day, 1954
                                                                                                           Genus # Phylo - Kinberg, 1866
                                                                                                           Genus # Proscoloplos - Day, 1954
                                                                                                           Genus # Protoaricia - Czerniavsky, 1881
                                                                                                           Genus # Protoariciella - Hartmann-Schroeder, 1962
                                                                                                           Genus # Schroederella - Laubier, 1962
                                                                                                           Genus # Scoloplella - Day, 1963
                                                                                                           Genus # Scoloplos - Blainville, 1828
                                                                                   Family # Paraonidae - Cerruti, 1909
                                                                                                           Genus # Acesta - Strelzov, 1973
                                                                                                           Genus # Acmira - Hartley, 1981
                                                                                                           Genus # Aedicira - Hartman, 1957
                                                                                                           Genus # Aparaonis - Hartman, 1965
                                                                                                           Genus # Aricidea - Webster, 1879
                                                                                                           Genus # Cirrophorus - Ehlers, 1908
                                                                                                           Genus # Levinsenia - Mesnil, 1897
                                                                                                           Genus # Paradoneis - Hartman, 1965
                                                                                                           Genus # Paraonella - Strelzov, 1973
                                                                                                           Genus # Paraonides - Cerruti, 1909
                                                                                                           Genus # Paraonis - Cerruti, 1909
                                                                                                           Genus # Sabidius - Strelzov, 1973
                                                                                   Family # Scalibregmatidae - Malmgren, 1867
                                                                                                           Genus # Asclerocheilus - Ashworth, 1901
                                                                                                           Genus # Hyboscolex - Schmarda, 1861
                                                                                                           Genus # Kebuita - Chamberlin, 1919
                                                                                                           Genus # Oligobregma - Kudenov and Blake, 1978
                                                                                                           Genus # Parasclerocheilus - Fauvel, 1928
                                                                                                           Genus # Polyphysia - Quatrefages, 1865
                                                                                                           Genus # Pseudoscalibregma - Ashworth, 1901
                                                                                                           Genus # Scalibregma - Rathke, 1843
                                                                                                           Genus # Sclerobregma - Hartman, 1965
                                                                                                           Genus # Sclerocheilus - Grube, 1863
                 Phylum # Brachiopoda -  
                       Subphylum # Craniiformea -  
                                   Class # Craniata -  
                                                           Order # Craniida -  
                                                                             Superfamily # Cranioidea - Menke, 1828
                                                                                   Family # Craniidae - Menke, 1828
                                                                                                           Genus # Crania - Retzius, 1781
                                                                                                           Genus # Craniscus - Dall, 1871
                                                                                                           Genus # Valdiviathyris - Helmcke, 1940
                       Subphylum # Linguliformea -  
                                   Class # Lingulata -  
                                                           Order # Acrotretida - Kuhn, 1949
                                                                 Suborder # Acrotretidina -  
                                                           Order # Lingulida - Waagen, 1885
                                                                             Superfamily # Discinoidea - Gray, 1840
                                                                                   Family # Discinidae - Gray, 1840
                                                                                                           Genus # Discina - Lamarck, 1819
                                                                                                           Genus # Discinisca - Dall, 1871
                                                                                                           Genus # Discradisca -  
                                                                                                           Genus # Pelagodiscus - Dall, 1908
                                                                             Superfamily # Linguloidea - Menke, 1828
                                                                                   Family # Lingulidae - Menke, 1828
                                                                                                           Genus # Glottidia - Dall, 1870
                                                                                                           Genus # Lingula - Bruguiere, 1797
                       Subphylum # Rhynchonelliformea -  
                                   Class # Rhynchonellata -  
                                                           Order # Rhynchonellida - Kuhn, 1949
                                                                                   Family # Basiliolidae - Cooper, 1959
                                                                                                           Genus # Basiliola - Dall, 1908
                                                                                                           Genus # Eohemithiris - Hertlein and Grant, 1944
                                                                                                           Genus # Neorhynchia - Thomson, 1915
                                                                                                           Genus # Rhytirhynchia - Cooper, 1957
                                                                                                           Genus # Striarina -  
                                                                                   Family # Cryptoporidae - Muir-wood, 1955
                                                                                                           Genus # Cryptopora - Jeffreys, 1869
                                                                                   Family # Frieleiidae - Cooper, 1959
                                                                                                           Genus # Compsothyris - Jackson, 1918
                                                                                                           Genus # Frieleia - Dall, 1895
                                                                                                           Genus # Grammetaria - Cooper, 1959
                                                                                                           Genus # Hispanirhynchia - Thomson, 1927
                                                                                                           Genus # Manithyris -  
                                                                                   Family # Hemithyrididae - Rzhonsnitskaya, 1956
                                                                                                           Genus # Hemithiris - d'Orbigny, 1847
                                                                                                           Genus # Notosaria - Cooper, 1959
                                                                                                           Genus # Tegulorhynchia - Chapman and Crespin, 1923
                                                                             Superfamily # Rhynchonellacea -  
                                                           Order # Terebratulida - Waagen, 1883
                                                                 Suborder # Terebratellidina - Muir-Wood, 1955
                                                                             Superfamily # Terebratellacea -  
                                                                                   Family # Dallinidae - Beecher, 1893
                                                                                                           Genus # Campages - Hedley, 1905
                                                                                                           Genus # Dallina - Beecher, 1893
                                                                                                           Genus # Fallax - Atkins, 1960
                                                                                                           Genus # Glaciarcula - Elliot, 1956
                                                                                                           Genus # Leptothyrella - Muir-wood, 1965
                                                                                                           Genus # Nipponithyris - Yabe and Hatai, 1934
                                                                                   Family # Kraussinidae - Dall, 1870
                                                                                                           Genus # Kraussina - Davidson In Suess, 1859
                                                                                                           Genus # Megerlia - King, 1850
                                                                                                           Genus # Megerlina - Eudes-deslongchamps, 1884
                                                                                                           Genus # Pumilus - Atkins, 1958
                                                                                   Family # Laqueidae - Hatai, 1965
                                                                                                           Genus # Aldingia - Thomson, 1916
                                                                                                           Genus # Compsoria -  
                                                                                                           Genus # Coptothyris - Jackson, 1918
                                                                                                           Genus # Dallinella - Thomson, 1915
                                                                                                           Genus # Diestothyris - Thomson, 1916
                                                                                                           Genus # Economiosa -  
                                                                                                           Genus # Frenulina - Dall, 1894
                                                                                                           Genus # Jolonica - Dall, 1920
                                                                                                           Genus # Laqueus - Dall, 1870
                                                                                                           Genus # Macandrevia - King, 1859
                                                                                                           Genus # Pacifithyris - Hatai, 1838
                                                                                                           Genus # Pictothyris - Thomson, 1927
                                                                                                           Genus # Terebratalia - Beecher, 1893
                                                                                   Family # Megathyrididae - Dall, 1870
                                                                                                           Genus # Argyrotheca - Dall, 1900
                                                                                                           Genus # Gwynia - King, 1859
                                                                                                           Genus # Megathiris - D'orbigny, 1847
                                                                                   Family # Platidiidae - Thomson, 1927
                                                                                                           Genus # Amphithyris - Thomson, 1918
                                                                                                           Genus # Platidia - Costa, 1852
                                                                                   Family # Terebratellidae - King, 1850
                                                                                                           Genus # Aerothyris - Allan, 1939
                                                                                                           Genus # Aneboconcha -  
                                                                                                           Genus # Bouchardia - Davidson, 1850
                                                                                                           Genus # Gyrothyris - Thomson, 1918
                                                                                                           Genus # Jaffaia - Thomson, 1927
                                                                                                           Genus # Magadina - Thomson, 1915
                                                                                                           Genus # Magasella - Dall, 1870
                                                                                                           Genus # Magellania - Bayle, 1880
                                                                                                           Genus # Neothyris - Douville, 1879
                                                                                                           Genus # Pirothyris - Thomson, 1927
                                                                                                           Genus # Terebratella - D'orbigny, 1847
                                                                                                           Genus # Waltonia - Davidson, 1850
                                                                                   Family # Thaumatosiidae -  
                                                                                                           Genus # Thaumatosia -  
                                                                 Suborder # Terebratulidina - Waagen, 1883
                                                                             Superfamily # Cancellothyridoidea - Thomson, 1926
                                                                                   Family # Cancellothyrididae - Thomson, 1926
                                                                                                           Genus # Cancellothyris - Thomson, 1926
                                                                                                           Genus # Murravia - Thomson, 1916
                                                                                                           Genus # Surugathyris - Yabe and Hatai, 1934
                                                                                                           Genus # Terebratulina - D'orbigny, 1847
                                                                                   Family # Chlidonophoridae - Muir-Wood, 1959
                                                                                                           Genus # Agulhasia - King, 1871
                                                                                                           Genus # Bathynanus -  
                                                                                                           Genus # Chlidonophora - Dall, 1903
                                                                                                           Genus # Eucalathis - Fischer and Oehlert, 1890
                                                                                                           Genus # Notozyga -  
                                                                                   Family # Cnismatocentridae - Cooper, 1973
                                                                                                           Genus # Cnismatocentrum -  
                                                                             Superfamily # Dyscolioidea - Fischer and Oehlert, 1891
                                                                                   Family # Dyscoliidae - Fischer and Oehlert, 1891
                                                                                                           Genus # Dyscolia -  
                                                                             Superfamily # Terebratuloidea - Gray, 1840
                                                                                   Family # Terebratulidae - Gray, 1840
                                                                                                           Genus # Abyssothyris - Thomson, 1927
                                                                                                           Genus # Dallithyris - Muir-wood, 1959
                                                                                                           Genus # Erymnia -  
                                                                                                           Genus # Gryphus - Muehfeldt, 1811
                                                                                                           Genus # Liothyrella - Thomson, 1916
                                                                                                           Genus # Stenosarina -  
                                                                                                           Genus # Tichosina -  
                                                           Order # Thecideida - Elliot, 1958
                                                                             Superfamily # Thecideoidea Gray, 1840 -  
                                                                                   Family # Thecideidae - Gray, 1840
                                                                                                           Genus # Lacazella - Munier Chalmas, 1880
                                                                                   Family # Thecidellinidae - Elliot, 1958
                                                                                                           Genus # Thecidellina - Thomson, 1915
                 Phylum # Bryozoa -  
                                   Class # Gymnolaemata -  
                                         Subclass # Eurystomata -  
                                                           Order # Cheilostomata - Busk, 1852
                                                                 Suborder # Anasca - Levinsen, 1909
                                                                                   Family # Aeteidae - Smitt, 1867
                                                                                                           Genus # Aetea - Lamouroux, 1812
                                                                                   Family # Alysidiidae -  
                                                                                   Family # Arachnopusiidae - Jullien, 1888
                                                                                                           Genus # Arachnopusia - Jullien, 1888
                                                                                                           Genus # Briarachnia - Gordon, 1984
                                                                                                           Genus # Tremogasterina -  
                                                                                   Family # Aspidostomatidae -  
                                                                                                           Genus # Euritina -  
                                                                                   Family # Beaniidae - Canu and Bassler, 1927
                                                                                                           Genus # Beania - Johnston, 1840
                                                                                   Family # Bicellariellidae -  
                                                                                                           Genus # Bicellariella - Levinsen, 1909
                                                                                                           Genus # Bicellarina - Levinsen, 1909
                                                                                                           Genus # Corynoporella - Hincks, 1888
                                                                                                           Genus # Semibugula - Kluge, 1929
                                                                                   Family # Bugulidae - Gray, 1848
                                                                                                           Genus # Brettiella - Gordon, 1984
                                                                                                           Genus # Bugula - Oken, 1815
                                                                                                           Genus # Caulibugula -  
                                                                                                           Genus # Cornucopina - Levinsen, 1909
                                                                                                           Genus # Dendrobeania - Levinsen, 1909
                                                                                                           Genus # Kinetoskias - Danielssen, 1868
                                                                                   Family # Calloporidae - Norman, 1903
                                                                                                           Genus # Alderina - Norman, 1903
                                                                                                           Genus # Amphiblestrum - Gray, 1848
                                                                                                           Genus # Bidenkapia -  
                                                                                                           Genus # Callopora - Gray, 1848
                                                                                                           Genus # Copidozoum -  
                                                                                                           Genus # Crassimarginatella - Canu, 1900
                                                                                                           Genus # Doryporella - Norman, 1903
                                                                                                           Genus # Ellisina - Norman, 1903
                                                                                                           Genus # Marssonopora - Lang, 1914
                                                                                                           Genus # Onychoblestrum - Gordon, 1984
                                                                                                           Genus # Parellisina -  
                                                                                                           Genus # Retevirgula - Brown, 1948
                                                                                                           Genus # Tegella - Levinsen, 1909
                                                                                   Family # Calpensiidae -  
                                                                                                           Genus # Discoporella -  
                                                                                                           Genus # Microporina - Levinsen, 1909
                                                                                   Family # Cellariidae - Lamouroux, 1821
                                                                                                           Genus # Cellaria - Ellis and Solander, 1786
                                                                                                           Genus # Euginoma -  
                                                                                                           Genus # Formosocellaria -  
                                                                                                           Genus # Mesostomaria - Canu and Bassler, 1927
                                                                                                           Genus # Pseudocellaria -  
                                                                                                           Genus # Stomhypselosaria - Canu and Bassler, 1927
                                                                                   Family # Chaperiidae - Jullien, 1888
                                                                                                           Genus # Chaperia - Jullien, 1881
                                                                                                           Genus # Chaperiopsis - Uttley, 1949
                                                                                                           Genus # Pyrichaperia - Gordon, 1982
                                                                                   Family # Cothurnicellidae -  
                                                                                   Family # Cribrilinidae - Hincks, 1880
                                                                                                           Genus # Bellulopora -  
                                                                                                           Genus # Colletosia -  
                                                                                                           Genus # Cribrilina - Gray, 1848
                                                                                                           Genus # Figularia - Jullien, 1886
                                                                                                           Genus # Gephyrotes - Norman, 1903
                                                                                                           Genus # Jullienula -  
                                                                                                           Genus # Lyrula -  
                                                                                                           Genus # Membraniporella - Smitt, 1873
                                                                                                           Genus # Puellina - Jullien, 1886
                                                                                                           Genus # Reginella - Jullien, 1886
                                                                                   Family # Cupuladriidae -  
                                                                                   Family # Electridae -  
                                                                                                           Genus # Electra - Lamouroux, 1816
                                                                                                           Genus # Pyripora -  
                                                                                   Family # Epistomiidae - Gregory, 1893
                                                                                                           Genus # Epistomia - Fleming, 1828
                                                                                                           Genus # Synnotum - Pieper, 1881
                                                                                   Family # Farciminariidae -  
                                                                                                           Genus # Nellia -  
                                                                                   Family # Flustridae - Lamouroux, 1821
                                                                                                           Genus # Chartella - J. E. Gray, 1848
                                                                                                           Genus # Flustra - Linnaeus, 1767
                                                                                                           Genus # Gregarinidra - Barroso, 1949
                                                                                                           Genus # Sarsiflustra - Jullien and Calvet, 1903
                                                                                                           Genus # Securiflustra - Silen, 1941
                                                                                                           Genus # Terminoflustra -  
                                                                                   Family # Hiantoporidae - Gregory, 1893
                                                                                                           Genus # Hiantopora - Macgillivray, 1887
                                                                                   Family # Hincksinidae -  
                                                                                                           Genus # Antropora -  
                                                                                                           Genus # Aplousina -  
                                                                                                           Genus # Cauloramphus - Norman, 1903
                                                                                                           Genus # Hincksina -  
                                                                                   Family # Labiostomellidae -  
                                                                                   Family # Lunulitidae -  
                                                                                   Family # Macroporidae - Uttley, 1949
                                                                                                           Genus # Macropora - Macgillivray, 1895
                                                                                   Family # Membranicellariidae -  
                                                                                   Family # Membraniporidae - Busk, 1854
                                                                                                           Genus # Conopeum -  
                                                                                                           Genus # Cupuladria -  
                                                                                                           Genus # Desmacystis -  
                                                                                                           Genus # Larnacicus - Norman, 1903
                                                                                                           Genus # Megapora - Hincks, 1877
                                                                                                           Genus # Membranipora - de Blainville, 1830
                                                                                                           Genus # Ramphonotus - Norman, 1894
                                                                                                           Genus # Reussina - Kluge, 1962
                                                                                   Family # Microporidae - Gray, 1948
                                                                                                           Genus # Caleschara - Macgillivray, 1880
                                                                                                           Genus # Calpensia - Jullien, 1888
                                                                                                           Genus # Manzonella - Jullien, 1888
                                                                                                           Genus # Micropora - Gray, 1848
                                                                                                           Genus # Mollia - Lamouroux, 1821
                                                                                                           Genus # Monoporella - Hincks, 1881
                                                                                                           Genus # Selenaria -  
                                                                                   Family # Onychocellidae - Jullien, 1882
                                                                                                           Genus # Floridina -  
                                                                                                           Genus # Smittipora - Jullien, 1882
                                                                                   Family # Pelmatoporidae -  
                                                                                   Family # Petalostegidae - Gordon, 1984
                                                                                                           Genus # Petalostegus - Levinsen, 1909
                                                                                   Family # Quadricellariidae - Gordon, 1984
                                                                                                           Genus # Quadricellaria - D'Orbigny, 1851
                                                                                   Family # Sadkoidae - Kluge, 1962
                                                                                                           Genus # Uschakovia - Kluge, 1946
                                                                                   Family # Scrupariidae - Busk, 1852
                                                                                                           Genus # Eucratea - Lamouroux, 1812
                                                                                                           Genus # Haplota -  
                                                                                                           Genus # Scruparia -  
                                                                                   Family # Scrupocellariidae - Levinsen, 1909
                                                                                                           Genus # Amastiga - Busk, 1852
                                                                                                           Genus # Bugulopsis - Verrill, 1879
                                                                                                           Genus # Caberea - Lamouroux, 1816
                                                                                                           Genus # Canda - Lamouroux, 1816
                                                                                                           Genus # Emma - Gray, 1843
                                                                                                           Genus # Notoplites - Harmer, 1923
                                                                                                           Genus # Scrupocellaria - Van Beneden, 1845
                                                                                                           Genus # Tricellaria - Fleming, 1828
                                                                                   Family # Setosellidae -  
                                                                                                           Genus # Lagarozoum -  
                                                                                                           Genus # Setosella - Hincks, 1877
                                                                                   Family # Steginoporellidae - Hincks, 1884
                                                                                                           Genus # Labiporella -  
                                                                                                           Genus # Steginoporella - Smitt, 1873
                                                                                   Family # Thalamoporellidae - Levinsen, 1909
                                                                                                           Genus # Thalamoporella - Hincks, 1887
                                                                 Suborder # Ascophora - Levinsen, 1909
                                                                                   Family # Adeonidae - Busk, 1884
                                                                                                           Genus # Adeonellopsis - Macgillivray, 1886
                                                                                                           Genus # Bracebridgia -  
                                                                                                           Genus # Reptadeonella -  
                                                                                   Family # Bifaxariidae -  
                                                                                   Family # Calwelliidae - Macgillivray, 1887
                                                                                                           Genus # Calwellia - Wyville Thomson, 1858
                                                                                   Family # Catenicellidae - Busk, 1852
                                                                                                           Genus # Catenicella - de Blainville, 1830
                                                                                                           Genus # Orthoscuticella - Wass and Yoo, 1976
                                                                                                           Genus # Pterocella - Levinsen, 1909
                                                                                   Family # Celleporariidae -  
                                                                                                           Genus # Celleporaria - Lamouroux, 1821
                                                                                   Family # Celleporidae - Lamouroux, 1821
                                                                                                           Genus # Buffonellaria - Canu and Basler, 1917
                                                                                                           Genus # Buskea - Heller, 1867
                                                                                                           Genus # Cellepora - Linnaeus, 1767
                                                                                                           Genus # Celleporina - Gray, 1848
                                                                                                           Genus # Costazia -  
                                                                                                           Genus # Galeopsis - Jullien, 1903
                                                                                                           Genus # Lagenipora - Hincks, 1877
                                                                                                           Genus # Omalosecosa - Canu and Bassler, 1925
                                                                                                           Genus # Osthimosia - Jullien, 1888
                                                                                                           Genus # Trematoecia -  
                                                                                                           Genus # Turbicellepora -  
                                                                                   Family # Cheiloporinidae -  
                                                                                                           Genus # Hippaliosina -  
                                                                                                           Genus # Tetraplaria -  
                                                                                   Family # Cleidochasmatidae -  
                                                                                                           Genus # Cleidochasma - Harmer, 1957
                                                                                                           Genus # Hippopodinella -  
                                                                                   Family # Conescharellinidae -  
                                                                                   Family # Crepidacanthidae - Levinsen, 1909
                                                                                                           Genus # Crepidacantha - Levinsen, 1909
                                                                                   Family # Cryptosulidae -  
                                                                                                           Genus # Cryptosula -  
                                                                                   Family # Cyclicoporidae -  
                                                                                   Family # Escharellidae - Levinsen, 1909
                                                                                                           Genus # Escharella - Gray, 1848
                                                                                                           Genus # Escharelloides - Kluge, 1962
                                                                                                           Genus # Gemellipora -  
                                                                                                           Genus # Hippopodina -  
                                                                                                           Genus # Lapralioides - Kluge, 1962
                                                                                                           Genus # Phylactella - Hincks, 1879
                                                                                                           Genus # Phylactellipora - Bassler, 1953
                                                                                   Family # Eurystomellidae - Levinsen, 1909
                                                                                                           Genus # Eurystomella - Levinsen, 1909
                                                                                   Family # Euthyridellidae -  
                                                                                   Family # Euthyroididae -  
                                                                                   Family # Exechonellidae - Harmer, 1957
                                                                                                           Genus # Anarthropora - Smitt, 1868
                                                                                                           Genus # Exechonella - Duvergier, 1924
                                                                                                           Genus # Triporula -  
                                                                                   Family # Exochellidae - Bassler, 1935
                                                                                                           Genus # Elleschara - Gordon, 1984
                                                                                                           Genus # Escharoides - Milne-Edwards, 1836
                                                                                                           Genus # Exochella - Jullien, 1888
                                                                                   Family # Gigantoporidae - Bassler, 1935
                                                                                                           Genus # Cylindroporella - Hincks, 1877
                                                                                                           Genus # Gigantopora - Ridley, 1881
                                                                                   Family # Hippopodinidae - Levinsen, 1909
                                                                                                           Genus # Cheilopora - Levinsen, 1909
                                                                                   Family # Hippoponellidae - Kluge, 1962
                                                                                                           Genus # Hippoponella - Canu and Bassler, 1920
                                                                                   Family # Hippoporinidae -  
                                                                                                           Genus # Codonellina - Bassler, 1934
                                                                                                           Genus # Hippomenella - Canu and Bassler, 1917
                                                                                                           Genus # Hippopleurifera -  
                                                                                                           Genus # Hippoporella -  
                                                                                                           Genus # Hippoporidra -  
                                                                                                           Genus # Hippoporina - Neviani, 1895
                                                                                                           Genus # Hipporina -  
                                                                                                           Genus # Hippothyris - Osburn, 1952
                                                                                                           Genus # Lepralia -  
                                                                                                           Genus # Pentapora -  
                                                                                                           Genus # Stephanosella -  
                                                                                   Family # Hippothoidae - Fischer, 1866
                                                                                                           Genus # Atacama -  
                                                                                                           Genus # Boreas -  
                                                                                                           Genus # Celleporella - Gray, 1848
                                                                                                           Genus # Chorizopora - Hincks, 1879
                                                                                                           Genus # Dacryoporella -  
                                                                                                           Genus # Diplotresis -  
                                                                                                           Genus # Haplopoma -  
                                                                                                           Genus # Harmeria - Norman, 1903
                                                                                                           Genus # Hincksipora -  
                                                                                                           Genus # Hippothoa - Lamouroux, 1821
                                                                                                           Genus # Kronothoa -  
                                                                                                           Genus # Plesiothoa - Gordon and Hastings, 1979
                                                                                                           Genus # Tecatia -  
                                                                                                           Genus # Trypostega -  
                                                                                   Family # Inversiulidae - Vigneaux, 1949
                                                                                                           Genus # Inversiula - Jullien, 1888
                                                                                   Family # Lekythoporidae -  
                                                                                   Family # Mamilloporidae -  
                                                                                                           Genus # Mamillopora -  
                                                                                   Family # Microporellidae - Hincks, 1879
                                                                                                           Genus # Calloporina - Neviani, 1895
                                                                                                           Genus # Diporula - Hincks, 1879
                                                                                                           Genus # Fenestrulina - Jullien, 1888
                                                                                                           Genus # Microporella - Hincks, 1877
                                                                                                           Genus # Tenthrenulina - Gordon, 1984
                                                                                   Family # Mucronellidae -  
                                                                                                           Genus # Cystisella -  
                                                                                                           Genus # Escharopsis - Verrill, 1880
                                                                                                           Genus # Hemicyclopora - Norman, 1894
                                                                                                           Genus # Parasmittina - Osburn, 1952
                                                                                                           Genus # Porella - Gray, 1848
                                                                                                           Genus # Prenantia - Gautier, 1962
                                                                                                           Genus # Rhamphostomella - Lorenz, 1886
                                                                                                           Genus # Smittina - Norman, 1903
                                                                                   Family # Myriozoidae - Smitt, 1868
                                                                                                           Genus # Leieschara - M. Sars, 1863
                                                                                                           Genus # Myriozoella -  
                                                                                                           Genus # Myriozoum - Donati, 1750
                                                                                   Family # Onchoporidae -  
                                                                                   Family # Orbituliporidae -  
                                                                                                           Genus # Sphaerulobryozoan -  
                                                                                   Family # Parmulariidae -  
                                                                                   Family # Pasytheidae - Vigneaux, 1949
                                                                                   Family # Petraliellidae - Harmer, 1957
                                                                                                           Genus # Discopora - Lamarck, 1816
                                                                                                           Genus # Petraliella -  
                                                                                   Family # Petraliidae -  
                                                                                   Family # Phylactelliporidae -  
                                                                                   Family # Porinidae - D'orbigny, 1852
                                                                                                           Genus # Haswellina - Livingstone, 1928
                                                                                   Family # Reteporidae - Smitt, 1868
                                                                                                           Genus # Brodiella - Uttley and Bullivant, 1972
                                                                                                           Genus # Lepraliella - Levinsen, 1917
                                                                                                           Genus # Phidolopora - Gabb and Horn, 1862
                                                                                                           Genus # Retepora - Lamarck, 1801
                                                                                                           Genus # Reteporella -  
                                                                                                           Genus # Reteporellina -  
                                                                                                           Genus # Rhynchozoon - Hincks, 1895
                                                                                                           Genus # Schizotheca -  
                                                                                                           Genus # Sertella - Jullien, 1903
                                                                                   Family # Savignyellidae -  
                                                                                                           Genus # Savignyella -  
                                                                                   Family # Schizoporellidae - Jullien, 1883
                                                                                                           Genus # Arthropoma - Levinsen, 1909
                                                                                                           Genus # Buffonellodes - Strand, 1928
                                                                                                           Genus # Chiastosella - Canu and Bassler, 1934
                                                                                                           Genus # Cribellopora - Gautier, 1957
                                                                                                           Genus # Cycloporiella -  
                                                                                                           Genus # Dakaria -  
                                                                                                           Genus # Emballotheca - Levinsen, 1909
                                                                                                           Genus # Escharina - Milne-Edwards, 1836
                                                                                                           Genus # Hemismittoidea - Soule and Soule, 1973
                                                                                                           Genus # Hippodiplosia - Canu, 1916
                                                                                                           Genus # Hippomonavella - Canu and Bassler, 1934
                                                                                                           Genus # Lacerna - Jullien, 1888
                                                                                                           Genus # Metroperiella - Canu and Bassler, 1917
                                                                                                           Genus # Nimba - Jullien, 1903
                                                                                                           Genus # Phaeostachys - Hayward, 1979
                                                                                                           Genus # Phonicosia - Jullien, 1888
                                                                                                           Genus # Porelloides - Hayward, 1979
                                                                                                           Genus # Rogicka - Uttley and Bullivant, 1972
                                                                                                           Genus # Schizomavella - Canu and Bassler, 1917
                                                                                                           Genus # Schizoporella - Hincks, 1877
                                                                                                           Genus # Schizosmittina - Vigneaux, 1949
                                                                                                           Genus # Smittoidea - Osburn, 1952
                                                                                                           Genus # Stylopoma -  
                                                                                   Family # Sclerodomidae -  
                                                                                   Family # Smittinidae - Levinsen, 1909
                                                                                                           Genus # Palmicellaria - Alder, 1864
                                                                                                           Genus # Pseudoflustra - Bidenkap, 1897
                                                                                   Family # Stomachetosellidae - Canu and Bassler, 1917
                                                                                                           Genus # Cigclisula -  
                                                                                                           Genus # Pachyegis -  
                                                                                                           Genus # Posterula -  
                                                                                                           Genus # Ragionula -  
                                                                                                           Genus # Stomachetosella - Canu and Bassler, 1917
                                                                                   Family # Tessaradomidae -  
                                                                                                           Genus # Tessaradoma - Norman, 1869
                                                                                   Family # Teuchoporidae - Neviani, 1895
                                                                                                           Genus # Lagenicella - Cheetham and Sandberg, 1964
                                                                                   Family # Tubucellariidae -  
                                                                                   Family # Umbonulidae -  
                                                                                                           Genus # Umbonula - Hincks, 1880
                                                                                   Family # Vittaticellidae -  
                                                                                                           Genus # Vittaticella -  
                                                                                   Family # Waterisporidae -  
                                                                                                           Genus # Waterispora - Neviani, 1895
                                                                                   Family # Watersiporidae -  
                                                                                                           Genus # Watersipora - Neviani, 1895
                                                           Order # Ctenostomata - Busk, 1852
                                                                 Suborder # Carnosa - Gray, 1841
                                                                                   Family # Alcyonidiidae - Johnston, 1837
                                                                                                           Genus # Alcyonidium - Lamouroux, 1813
                                                                                   Family # Claviporidae -  
                                                                                                           Genus # Clavipora -  
                                                                                                           Genus # Pseudalcyonidium -  
                                                                                   Family # Flustrellidridae - Bassler, 1953
                                                                                                           Genus # Elzerina - Lamouroux, 1816
                                                                                                           Genus # Flustrellidra - Bassler, 1953
                                                                                   Family # Pherusellidae -  
                                                                             Superfamily # Paludicelloidea -  
                                                                                   Family # Arachnidiidae - Hincks, 1880
                                                                                                           Genus # Arachnidium - Hincks, 1859
                                                                                                           Genus # Arachnoidea - J. Moore, 1903
                                                                                                           Genus # Bulbella - Braem, 1951
                                                                                   Family # Monobryozoontidae -  
                                                                                                           Genus # Monobryozoon - Remane, 1936
                                                                                   Family # Nolellidae - Harmer, 1915
                                                                                                           Genus # Anguinella - Van Beneden, 1845
                                                                                                           Genus # Nolella - Gosse, 1855
                                                                                   Family # Paludicellidae -  
                                                                                                           Genus # Paludicella -  
                                                                                                           Genus # Pottsiella -  
                                                                                   Family # Victorellidae -  
                                                                                                           Genus # Sundanella -  
                                                                                                           Genus # Victorella -  
                                                                             Superfamily # Vesicularioidea -  
                                                                                   Family # Spathiporidae -  
                                                                                                           Genus # Spathipora - Fischer, 1866
                                                                                   Family # Vesiculariidae - Johnston, 1838
                                                                                                           Genus # Amathia -  
                                                                                                           Genus # Bowerbankia - Farre, 1837
                                                                                                           Genus # Farrella -  
                                                                                                           Genus # Vesicularia - Thompson, 1830
                                                                                                           Genus # Zoobotryon - Ehrenbreg, 1829
                                                                 Suborder # Stolonifera - Ehlers, 1876
                                                                                   Family # Buskiidae - Hincks, 1880
                                                                                                           Genus # Buskia - Alder, 1857
                                                                                   Family # Hypophorellidae -  
                                                                                                           Genus # Hypophorella - Ehlers, 1876
                                                                                   Family # Mimosellidae - Hincks, 1877
                                                                                                           Genus # Bantariella - Jebram, 1973
                                                                                                           Genus # Mimosella - Hincks, 1851
                                                                                   Family # Triticellidae - G. O. Sars, 1874
                                                                                                           Genus # Triticella - Dalyell, 1847
                                                                                   Family # Valkeriidae - Hincks, 1877
                                                                                                           Genus # Valkeria - Fleming, 1823
                                                                                   Family # Walkeriidae -  
                                                                                                           Genus # Aeverrillia -  
                                                                                                           Genus # Walkeria - Fleming, 1823
                                                                 Suborder # Terebriporina -  
                                                                                   Family # Immergentiidae -  
                                                                                                           Genus # Immergentia - Silen, 1946
                                                                                   Family # Penetrantiidae - Silen, 1946
                                                                                                           Genus # Penetrantia - Silen, 1946
                                                                                   Family # Terebriporidae -  
                                         Subclass # Stenolaemata -  
                                                           Order # Cyclostomata - Busk, 1852
                                                                 Suborder # Articulata - Busk, 1859
                                                                                   Family # Crisiidae - Johnston, 1838
                                                                                                           Genus # Bicrisia - D'orbigny, 1853
                                                                                                           Genus # Crisia - Lamouroux, 1812
                                                                                                           Genus # Crisidia - Milne-Edwards, 1838
                                                                                                           Genus # Crisiella - Borg, 1924
                                                                                                           Genus # Crisulipora -  
                                                                                                           Genus # Filicrisia - D'orbigny, 1853
                                                                 Suborder # Cancellata -  
                                                                                   Family # Calvetiidae -  
                                                                                   Family # Cytididae -  
                                                                                   Family # Horneridae - Smitt, 1867
                                                                                   Family # Petaloporidae -  
                                                                                   Family # Pseudidmoneidae -  
                                                                                   Family # Stigmatoechidae - Brood, 1972
                                                                                                           Genus # Hornera - Lamouroux, 1821
                                                                                                           Genus # Stigmatoechos - Marsson, 1887
                                                                 Suborder # Cerioporina -  
                                                                                   Family # Corymboporidae - Smitt, 1867
                                                                                                           Genus # Defrancia - Bronn, 1825
                                                                                                           Genus # Domopora - D'orbigny, 1850
                                                                                   Family # Heteroporidae - Waters, 1880
                                                                                                           Genus # Borgella - Kluge, 1955
                                                                                                           Genus # Borgiola -  
                                                                                                           Genus # Heteropora - de Blainville, 1830
                                                                                   Family # Tretocycloeciidae -  
                                                                 Suborder # Rectangulata -  
                                                                                   Family # Lichenoporidae - Smitt, 1867
                                                                                                           Genus # Coronopora - J. E. Gray, 1848
                                                                                                           Genus # Disporella -  
                                                                                                           Genus # Fungella - Hagenow, 1851
                                                                                                           Genus # Lichenopora - Defrance, 1823
                                                                 Suborder # Tubuliporina - Milne-Edwards, 1838
                                                                                   Family # Diaperoeciidae -  
                                                                                                           Genus # Diaperoecia -  
                                                                                   Family # Diastoporidae - Busk, 1859
                                                                                                           Genus # Berenicea - Lamouroux, 1821
                                                                                                           Genus # Diplosolen -  
                                                                                   Family # Entalophoridae - Reuss, 1869
                                                                                                           Genus # Bientalophora -  
                                                                                                           Genus # Entalophora - Lamouroux, 1821
                                                                                                           Genus # Entalophoroecia -  
                                                                                   Family # Frondiporidae - Busk, 1886
                                                                                                           Genus # Fasciculiporoides - Kluge, 1955
                                                                                                           Genus # Filifascigera -  
                                                                                   Family # Hastingsiidae -  
                                                                                   Family # Mecynoeciidae -  
                                                                                   Family # Oncousoeciidae -  
                                                                                                           Genus # Oncousoecia - Canu, 1918
                                                                                                           Genus # Proboscina - Audouin, 1826
                                                                                   Family # Plagioeciidae -  
                                                                                                           Genus # Plagioecia -  
                                                                                   Family # Terviidae -  
                                                                                   Family # Theonoidae -  
                                                                                   Family # Tubuliporidae - Johnston, 1838
                                                                                                           Genus # Bathysoecia -  
                                                                                                           Genus # Idmidronea - Canu and Bassler, 1920
                                                                                                           Genus # Idmonea - Lamouroux, 1821
                                                                                                           Genus # Idmoneoides - Kluge, 1955
                                                                                                           Genus # Stomatopora - Milne-Edwards, 1838
                                                                                                           Genus # Tubulipora - Lamarck, 1816
                                   Class # Phylactolaemata -  
                                                           Order # Plumatellida -  
                                                                                   Family # Cristatellidae -  
                                                                                                           Genus # Cristatella -  
                                                                                   Family # Fredericellidae -  
                                                                                                           Genus # Fredericella - Allman, 1844
                                                                                   Family # Lophopodidae -  
                                                                                                           Genus # Lophopodella -  
                                                                                                           Genus # Lophopus -  
                                                                                   Family # Pectinatellidae -  
                                                                                                           Genus # Pectinatella -  
                                                                                   Family # Plumatellidae -  
                                                                                                           Genus # Hyalinella -  
                                                                                                           Genus # Plumatella -  
                                                                                                           Genus # Stolella -  
                 Phylum # Cycliophora - Funch and Kristensen, 1995
                                   Class # Eucycliophora - Funch and Kristensen, 1995
                                                           Order # Symbiida - Funch and Kristensen, 1995
                                                                                   Family # Symbiidae - Funch and Kristensen, 1995
                                                                                                           Genus # Symbion - Funch and Kristensen, 1995
                 Phylum # Entoprocta -  
                                                           Order # Coloniales -  
                                                                                   Family # Loxosomatidae - Hincks, 1880
                                                                                                           Genus # Loxocorone - Iseto, 2002
                                                                                                           Genus # Loxomespilon - Bobin and Prenant, 1953
                                                                                                           Genus # Loxomitra - Nielsen, 1964
                                                                                                           Genus # Loxosoma - Keferstein, 1862
                                                                                                           Genus # Loxosomella - Mortensen, 1911
                                                           Order # Solitaria -  
                                                                                   Family # Barentsiidae - Emschermann, 1972
                                                                                                           Genus # Barentsia - Hincks, 1880
                                                                                                           Genus # Coriella - Kluge, 1946
                                                                                                           Genus # Pedicellinopsis - Hincks, 1884
                                                                                                           Genus # Pseudopedicellina - Toriumi, 1951
                                                                                                           Genus # Urnatella - Leidy, 1851
                                                                                   Family # Loxokalypodidae - Emschermann, 1972
                                                                                                           Genus # Loxokalypus - Emschermann, 1972
                                                                                   Family # Pedicellinidae - Johnston, 1847
                                                                                                           Genus # Loxosomatoides - Annandale, 1908
                                                                                                           Genus # Myosoma - Robertson, 1900
                                                                                                           Genus # Pedicellina - Sars, 1835
                                                                                                           Genus # Sangavella - Marcus, 1957
                 Phylum # Gastrotricha - Metschnikoff, 1865
                                                           Order # Chaetonotida - Remane, 1924
                                                                                   Family # Chaetonotidae - Gosse, 1864
                                                                                                           Genus # Arenotus - Kisielewski, 1987
                                                                                                           Genus # Aspidiophorus - Voigt, 1904
                                                                                                           Genus # Chaetonotus - Ehrenberg, 1830
                                                                                                           Genus # Diuronotus - Todaro, Balsamo and Kristensen, 2005
                                                                                                           Genus # Fluxiderma - d'Hondt, 1974
                                                                                                           Genus # Halichaetonotus - Remane, 1936
                                                                                                           Genus # Heterolepidoderma - Remane, 1927
                                                                                                           Genus # Ichthydium - Ehrenberg, 1830
                                                                                                           Genus # Lepidochaetus - Kisielewski, 1991
                                                                                                           Genus # Lepidodermella - Blake, 1933
                                                                                                           Genus # Musellifer - Hummon, 1969
                                                                                                           Genus # Polymerurus - Remane, 1927
                                                                                                           Genus # Rhomballichthys - Schwank, 1990
                                                                                                           Genus # Undula - Kisielewski, 1991
                                                                                   Family # Dasydytidae - Daday, 1905
                                                                                                           Genus # Anacanthoderma - Marcolongo, 1910
                                                                                                           Genus # Dasydytes - Gosse, 1851
                                                                                                           Genus # Haltidytes - Remane, 1936
                                                                                                           Genus # Metadasydytes - Roszczak, 1971
                                                                                                           Genus # Ornamentula - Kisielewski, 1991
                                                                                                           Genus # Setopus - Grünspan, 1908
                                                                                                           Genus # Stylochaeta - Hlava, 1904
                                                                                   Family # Dichaeturidae - Remane, 1927
                                                                                                           Genus # Dichaetura - Lauterborn, 1913
                                                                                                           Genus # Marinellina - Ruttner-Kolisko, 1955
                                                                                   Family # Neodasyidae - Remane, 1929
                                                                                                           Genus # Neodasys - Remane, 1927
                                                                                   Family # Neogosseidae - Remane, 1927
                                                                                                           Genus # Kijanebalola - Beauchamp, 1932
                                                                                                           Genus # Neogossea - Remane, 1927
                                                                                   Family # Proichthydiidae - Remane, 1927
                                                                                                           Genus # Proichthydioides - Sudzuki, 1971
                                                                                                           Genus # Proichthydium - Cordero, 1918
                                                                                   Family # Xenotrichulidae - Remane, 1927
                                                                                                           Genus # Draculiciteria - Hummon, 1974
                                                                                                           Genus # Heteroxenotrichula - Wilke, 1954
                                                                                                           Genus # Xenotrichula - Remane, 1927
                                                           Order # Macrodasyida - Remane, 1924
                                                                                   Family # Dactylopodolidae - Strand, 1929
                                                                                                           Genus # Dactylopodola - Strand, 1929
                                                                                                           Genus # Dendrodasys - Wilke, 1954
                                                                                                           Genus # Dendropodola - Hummon, Todaro and Tongiorgi, 1993
                                                                                                           Genus # Redudasys - Kisielewski, 1987
                                                                                   Family # Lepidodasyidae - Remane, 1927
                                                                                                           Genus # Cephalodasys - Remane, 1926
                                                                                                           Genus # Dolichodasys - Gagne, 1977
                                                                                                           Genus # Lepidodasys - Remane, 1926
                                                                                                           Genus # Megadasys - Schmidt, 1974
                                                                                                           Genus # Mesodasys - Remane, 1951
                                                                                                           Genus # Paradasys - Remane, 1934
                                                                                                           Genus # Pleurodasys - Remane, 1927
                                                                                   Family # Macrodasyidae - Remane, 1927
                                                                                                           Genus # Macrodasys - Remane, 1924
                                                                                                           Genus # Urodasys - Remane, 1926
                                                                                   Family # Planodasyidae - Rao and Clausen, 1970
                                                                                                           Genus # Crasiella - Clausen, 1968
                                                                                                           Genus # Planodasys - Rao in Rao and Clausen, 1970
                                                                                   Family # Thaumastodermatidae - Remane, 1929
                                                                                                           Genus # Acanthodasys - Remane, 1927
                                                                                                           Genus # Diplodasys - Remane, 1927
                                                                                                           Genus # Hemidasys - Claparède, 1867
                                                                                                           Genus # Platydasys - Remane, 1927
                                                                                                           Genus # Pseudostomella - Swedmark, 1956
                                                                                                           Genus # Ptychostomella - Remane, 1926
                                                                                                           Genus # Tetranchyroderma - Remane, 1926
                                                                                                           Genus # Thaumastoderma - Remane, 1926
                                                                                   Family # Turbanellidae - Remane, 1925
                                                                                                           Genus # Desmodasys - Clausen, 1965
                                                                                                           Genus # Dinodasys - Remane, 1927
                                                                                                           Genus # Paraturbanella - Remane, 1927
                                                                                                           Genus # Prostobuccantia - Evans and Hummon, 1991
                                                                                                           Genus # Pseudoturbanella - d'Hondt, 1968
                                                                                                           Genus # Turbanella - Schultze, 1853
                                                                                                           Genus # Xenodasys - Swedmark, 1967
                 Phylum # Gnathostomulida - Sterrer, 1972
                                                           Order # Bursovaginoidea - Sterrer, 1972
                                                                 Suborder # Conophoralia - Sterrer, 1972
                                                                                   Family # Austrognathiidae - Sterrer, 1972
                                                                                                           Genus # Austrognatharia - Sterrer, 1971
                                                                                                           Genus # Austrognathia - Sterrer, 1965
                                                                                                           Genus # Triplignathia - Sterrer, 1991
                                                                 Suborder # Scleroperalia - Sterrer, 1972
                                                                                   Family # Agnathiellidae - Sterrer, 1972
                                                                                                           Genus # Agnathiella - Sterrer, 1971
                                                                                                           Genus # Paragnathiella - Sterrer, 1997
                                                                                   Family # Clausognathiidae - Sterrer, 1992
                                                                                                           Genus # Clausognathia - Sterrer, 1992
                                                                                   Family # Gnathostomariidae - Sterrer, 1972
                                                                                                           Genus # Gnathostomaria - Ax, 1956
                                                                                   Family # Gnathostomulidae - Sterrer, 1972
                                                                                                           Genus # Corculognathia - Ehlers and Ehlers, 1973
                                                                                                           Genus # Gnathostomula - Ax, 1956
                                                                                                           Genus # Ratugnathia - Sterrer, 1991
                                                                                                           Genus # Semaeognathia - Riedl, 1970
                                                                                   Family # Mesognathariidae - Sterrer, 1972
                                                                                                           Genus # Labidognathia - Riedl, 1970
                                                                                                           Genus # Mesognatharia - Sterrer, 1966
                                                                                                           Genus # Tenuignathia - Sterrer, 1976
                                                                                   Family # Onychognathiidae - Sterrer, 1972
                                                                                                           Genus # Goannagnathia - Sterrer, 2001
                                                                                                           Genus # Nanognathia - Sterrer, 1972
                                                                                                           Genus # Onychognathia - Riedl, 1971
                                                                                                           Genus # Valvognathia - Kristensen and Nørrevang, 1978
                                                                                                           Genus # Vampyrognathia - Sterrer, 1998
                                                                                   Family # Paucidentulidae - Sterrer, 1998
                                                                                                           Genus # Paucidentula - Sterrer, 1998
                                                                                   Family # Problognathiidae - Sterrer and Farris, 1975
                                                                                                           Genus # Problognathia - Sterrer and Farris, 1975
                                                                                   Family # Rastrognathiidae - Kristensen and Nørrevang, 1977
                                                                                                           Genus # Rastrognathia - Kristensen and Nørrevang, 1977
                                                           Order # Filospermoidea - Sterrer, 1972
                                                                                   Family # Haplognathiidae - Sterrer, 1972
                                                                                                           Genus # Haplognathia - Sterrer, 1970
                                                                                   Family # Pterognathiidae - Sterrer, 1972
                                                                                                           Genus # Cosmognathia - Sterrer, 1991
                                                                                                           Genus # Pterognathia - Sterrer, 1966
                 Phylum # Micrognathozoa -  
                                   Class # Micrognathozoa - Kristensen and Funch, 2000
                                                           Order # Limnognathida - Kristensen and Funch, 2000
                                                                                   Family # Limnognathiidae - Kristensen and Funch, 2000
                                                                                                           Genus # Limnognathia - Kristensen and Funch, 2000
                 Phylum # Mollusca -  
                                   Class # Bivalvia - Linnaeus, 1758
                                         Subclass # Autobranchia -  
                                               Infraclass # Heteroconchia -  
                                                           Order # Cardiida -  
                                                                             Superfamily # Cardioidea - Lamarck, 1809
                                                                                   Family # Cardiidae - Lamarck, 1809
                                                                                                           Genus # Acanthocardia - J. E. Gray, 1851
                                                                                                           Genus # Americardia - Stewart, 1930
                                                                                                           Genus # Cardium - Linnaeus, 1758
                                                                                                           Genus # Cerastoderma - Poli, 1795
                                                                                                           Genus # Clinocardium - Keen, 1936
                                                                                                           Genus # Dinocardium - Dall, 1900
                                                                                                           Genus # Fragum - Roding, 1798
                                                                                                           Genus # Laevicardium - Swainson, 1840
                                                                                                           Genus # Nemocardium - Meek, 1876
                                                                                                           Genus # Papyridea - Swainson, 1840
                                                                                                           Genus # Parvicardium - Monterosato, 1884
                                                                                                           Genus # Plagiocardium - Cossmann, 1886
                                                                                                           Genus # Serripes - Gould, 1841
                                                                                                           Genus # Trachycardium - Morch, 1853
                                                                                                           Genus # Trigoniocardia - Dall, 1900
                                                           Order # Carditida -  
                                                                             Superfamily # Crassatelloidea - Férussac, 1822
                                                                                   Family # Astartidae - d'Orbigny, 1844
                                                                                                           Genus # Astarte - J. Sowerby, 1816
                                                                                                           Genus # Digitaria - S. Wood, 1853
                                                                                                           Genus # Goodallia - Turton, 1822
                                                                                   Family # Cardiniidae - Zittel, 1881
                                                                                                           Genus # Tellidorella - Berry, 1963
                                                                                   Family # Carditidae - Férussac, 1822
                                                                                                           Genus # Cardita - Bruguière, 1792
                                                                                                           Genus # Carditamera - Conrad, 1838
                                                                                                           Genus # Crassicardia - Conrad, 1838
                                                                                                           Genus # Cyclocardia - Conrad, 1867
                                                                                                           Genus # Glans - Megerle von Muhlfeld, 1811
                                                                                                           Genus # Milneria - Dall, 1881
                                                                                                           Genus # Miodontiscus - Dall, 1903
                                                                                                           Genus # Pleuromeris - Conrad, 1867
                                                                                                           Genus # Pteromeris - Conrad, 1862
                                                                                                           Genus # Venericardia - Lamarck, 1801
                                                                                   Family # Condylocardiidae - F. Bernard, 1897
                                                                                                           Genus # Carditella - E. A. Smith, 1881
                                                                                                           Genus # Carditopsis - E. A. Smith, 1881
                                                                                                           Genus # Cuna - Hedley, 1902
                                                                                   Family # Crassatellidae - Férussac, 1822
                                                                                                           Genus # Crassatella - Lamarck, 1799
                                                                                                           Genus # Crassinella - Guppy, 1874
                                                                                                           Genus # Eucrassatella - Iredale, 1924
                                                           Order # Galeommatida -  
                                                                             Superfamily # Galeommatoidea - Gray, 1840
                                                                                   Family # Galeommatidae - Gray, 1840
                                                                                                           Genus # Aclistothyra - McGinty, 1955
                                                                                                           Genus # Chlamydoconcha - Dall, 1884
                                                                                                           Genus # Divariscintilla - Powell, 1932
                                                                                                           Genus # Galeomma - Turton, 1825
                                                                                                           Genus # Scintillona - Finlay, 1926
                                                                                   Family # Lasaeidae - Gray, 1842
                                                                                                           Genus # Aligena - I. Lea, 1843
                                                                                                           Genus # Boreacola - Bernard, 1979
                                                                                                           Genus # Bornia - Philippi, 1836
                                                                                                           Genus # Cymatioa - Berry, 1964
                                                                                                           Genus # Decipula - Jeffreys, 1881
                                                                                                           Genus # Entovalva - Voeltzkow, 1890
                                                                                                           Genus # Erycina - Lamarck, 1805
                                                                                                           Genus # Isorobitella - Keen, 1962
                                                                                                           Genus # Kellia - Turton, 1822
                                                                                                           Genus # Lasaea - T. Brown, 1827
                                                                                                           Genus # Lepton - Turton, 1822
                                                                                                           Genus # Mancikellia - Dall, 1899
                                                                                                           Genus # Montacuta - Turton, 1822
                                                                                                           Genus # Mysella - Angas, 1877
                                                                                                           Genus # Neaeromya - Gabe, 1873
                                                                                                           Genus # Odontogena - Cowan, 1964
                                                                                                           Genus # Orobitella - Dall, 1900
                                                                                                           Genus # Parabornia - Boss, 1965
                                                                                                           Genus # Platomysia - Habe, 1951
                                                                                                           Genus # Pristes - Carpenter, 1864
                                                                                                           Genus # Pseudopythina - P. Fischer, 1884
                                                                                                           Genus # Pythinella - Dall, 1899
                                                                                                           Genus # Rhamphidonta - Bernard, 1975
                                                                                                           Genus # Rochefortia - Velain, 1878
                                                                                                           Genus # Semierycina - Monterosato, 1911
                                                                                                           Genus # Tellimya - Brown, 1827
                                                                                                           Genus # Tomburchus - W. H. Harry, 1969
                                                           Order # Gastrochaenida -  
                                                                             Superfamily # Gastrochaenoidea - Gray, 1840
                                                                                   Family # Gastrochaenidae - Gray, 1840
                                                                                                           Genus # Gastrochaena - Spengler, 1783
                                                                                                           Genus # Spengleria - Tryon, 1861
                                                           Order # Lucinida -  
                                                                             Superfamily # Lucinoidea - J. Fleming, 1828
                                                                                   Family # Lucinidae - Fleming, 1828
                                                                                                           Genus # Anodontia - Link, 1807
                                                                                                           Genus # Codakia - Scopoli, 1777
                                                                                                           Genus # Ctena - Mörch, 1860
                                                                                                           Genus # Divalinga - Chavan, 1951
                                                                                                           Genus # Divaricella - von Martens, 1880
                                                                                                           Genus # Epilucina - Dall, 1901
                                                                                                           Genus # Fimbria - Megerle von Mühlfeld, 1811
                                                                                                           Genus # Here - Gabb, 1866
                                                                                                           Genus # Linga - De Gregorio, 1884
                                                                                                           Genus # Loripes - Poli, 1791
                                                                                                           Genus # Lucina - Lamarck, 1799
                                                                                                           Genus # Lucinella - Monterosato, 1883
                                                                                                           Genus # Lucinisca - Dall, 1901
                                                                                                           Genus # Lucinoma - Dall, 1901
                                                                                                           Genus # Myrtea - Turton, 1822
                                                                                                           Genus # Parvilucina - Dall, 1901
                                                                                                           Genus # Pillucina - Pilsbry, 1921
                                                                                                           Genus # Pseudomiltha -  
                                                                                   Family # Mactromyidae - Cox, 1929
                                                                             Superfamily # Thyasiroidea - Dall, 1900
                                                                                   Family # Thyasiridae - Dall, 1901
                                                                                                           Genus # Adontorhina - Berry, 1947
                                                                                                           Genus # Axinodon - A. E. Verrill and Bush, 1898
                                                                                                           Genus # Axinopsida - Keen and Chavan, 1951
                                                                                                           Genus # Axinulus - A. E. Verrill and Bush, 1898
                                                                                                           Genus # Conchocele - Gabb, 1866
                                                                                                           Genus # Leptaxinus - A. E. Verrill and Bush, 1898
                                                                                                           Genus # Mendicula - Iredale, 1924
                                                                                                           Genus # Thyasira - Lamarck, 1818
                                                           Order # Myida -  
                                                                             Superfamily # Dreissenoidea - Gray, 1840
                                                                                   Family # Dreissenidae - Gray, 1840
                                                                                                           Genus # Congeria - Partsch, 1835
                                                                                                           Genus # Dreissena - Beneden, 1835
                                                                                                           Genus # Mytilopsis - Conrad, 1857
                                                                             Superfamily # Myoidea - Lamarck, 1809
                                                                                   Family # Corbulidae - Lamarck, 1818
                                                                                                           Genus # Caryocorbula - Bruguiere, 1792
                                                                                                           Genus # Corbula - Bruguiere, 1797
                                                                                                           Genus # Juliacorbula - Olsson and Harbison, 1953
                                                                                                           Genus # Potamocorbula - Habe, 1955
                                                                                                           Genus # Varicorbula - Grant and Gale, 1931
                                                                                   Family # Myidae - Lamarck, 1809
                                                                                                           Genus # Cryptomya - Conrad, 1848
                                                                                                           Genus # Mya - Linnaeus, 1758
                                                                                                           Genus # Paramya - Conrad, 1860
                                                                                                           Genus # Platyodon - Conrad, 1837
                                                                                                           Genus # Sphenia - Turton, 1822
                                                                             Superfamily # Pholadoidea - Lamarck, 1809
                                                                                   Family # Pholadidae - Lamarck, 1809
                                                                                                           Genus # Barnea - Risso, 1826
                                                                                                           Genus # Chaceia - Turner, 1855
                                                                                                           Genus # Cyrtopleura - Tryon, 1862
                                                                                                           Genus # Diplothyra - Tryon, 1862
                                                                                                           Genus # Jouannetia - Desmoulins, 1828
                                                                                                           Genus # Martesia - G. B. Sowerby I, 1824
                                                                                                           Genus # Netastoma - Carpenter, 1864
                                                                                                           Genus # Nettastomella - Carpenter, 1865
                                                                                                           Genus # Parapholas - Conrad, 1848
                                                                                                           Genus # Penitella - Valenciennes, 1846
                                                                                                           Genus # Pholadidea - Turton, 1819
                                                                                                           Genus # Pholas - Linnaeus, 1758
                                                                                                           Genus # Xylophaga - Turton, 1822
                                                                                                           Genus # Xyloredo - Turner, 1972
                                                                                                           Genus # Zirfaea - Gray, 1842
                                                                                   Family # Teredinidae - Rafinesque, 1815
                                                                                                           Genus # Bankia - Gray, 1842
                                                                                                           Genus # Lyrodus - Binney, 1870
                                                                                                           Genus # Nausitora - Wright, 1884
                                                                                                           Genus # Nototeredo - Bartsch, 1923
                                                                                                           Genus # Psiloteredo - Bartsch, 1922
                                                                                                           Genus # Spathoteredo - Moll, 1928
                                                                                                           Genus # Teredo - Linnaeus, 1758
                                                                                                           Genus # Teredora - Bartsch, 1921
                                                                                                           Genus # Teredothyra - Bartsch, 1921
                                                                                   Family # Xylophagaidae -  
                                                           Order # Pandorida -  
                                                                             Superfamily # Clavagelloidea - d'Orbigny, 1844
                                                                                   Family # Clavagellidae - d'Orbigny, 1844
                                                                                   Family # Penicillidae - Gray, 1858
                                                                             Superfamily # Pandoroidea - Rafinesque, 1815
                                                                                   Family # Laternulidae - Hedley, 1918
                                                                                   Family # Lyonsiidae - P. Fischer, 1887
                                                                                                           Genus # Entodesma - Phillips, 1845
                                                                                                           Genus # Lyonsia - Turton, 1822
                                                                                                           Genus # Mytilimeria - Conrad, 1837
                                                                                   Family # Pandoridae - Rafinesque, 1815
                                                                                                           Genus # Pandora - Chemnitz, 1795
                                                           Order # Pholadomyida -  
                                                                             Superfamily # Pholadomyoidea - King, 1844
                                                                                   Family # Pholadomyidae - King, 1844
                                                                                                           Genus # Panacca - Dall, 1905
                                                           Order # Poromyida -  
                                                                             Superfamily # Cuspidarioidea - Dall, 1886
                                                                                   Family # Cuspidariidae - Dall, 1886
                                                                                                           Genus # Austroneaera - Powell, 1937
                                                                                                           Genus # Cardiomya - A. Adams, 1864
                                                                                                           Genus # Cuspidaria - Nardo, 1840
                                                                                                           Genus # Leiomya - A. Adams, 1864
                                                                                                           Genus # Luzonia - Dall and E. A. Smith, 1890
                                                                                                           Genus # Myonera - Dall, 1886
                                                                                                           Genus # Plectodon - Carpenter, 1864
                                                                                                           Genus # Protocuspidaria - Allen and Morgan, 1981
                                                                                   Family # Halonymphidae - Scarlato and Starobogatov, 1983
                                                                                   Family # Protocuspidariidae - Scarlato and Starobogatov, 1983
                                                                                   Family # Spheniopsidae - Gardner, 1928
                                                                                                           Genus # Grippina - Dall, 1912
                                                                             Superfamily # Poromyoidea - Dall, 1886
                                                                                   Family # Cetoconchidae - Ridewood, 1903
                                                                                   Family # Poromyidae - Dall, 1886
                                                                                                           Genus # Cetoconcha - Dall, 1889
                                                                                                           Genus # Dermatomya - Dall, 1889
                                                                                                           Genus # Poromya - Forbes, 1844
                                                                             Superfamily # Verticordioidea - Stoliczka, 1870
                                                                                   Family # Euciroidae - Dall, 1895
                                                                                   Family # Lyonsiellidae - Dall, 1895
                                                                                   Family # Verticordiidae - Stoliczka, 1871
                                                                                                           Genus # Euciroa - Dall, 1881
                                                                                                           Genus # Halicardia - Dall, 1895
                                                                                                           Genus # Haliris - Dall, 1886
                                                                                                           Genus # Laevicordia - Sequenza, 1876
                                                                                                           Genus # Lyonsiella - M. Sars, 1782
                                                                                                           Genus # Policordia - Dall, Bartsch and Rehder, 1938
                                                                                                           Genus # Trigonulina - D'Orbigny, 1842
                                                                                                           Genus # Verticordia - J. de C. Sowerby, 1844
                                                           Order # Solenida -  
                                                                             Superfamily # Hiatelloidea - Gray, 1824
                                                                                   Family # Hiatellidae - Gray, 1824
                                                                                                           Genus # Cyrtodaria - Reuss, 1801
                                                                                                           Genus # Hiatella - Bosc, 1801
                                                                                                           Genus # Panomya - Gray, 1857
                                                                                                           Genus # Panopea - Menard, 1807
                                                                                   Family # Saxicavellidae -  
                                                                                                           Genus # Saxicavella - P. Fischer, 1878
                                                                             Superfamily # Solenoidea - Lamarck, 1809
                                                                                   Family # Pharidae - H. and A. Adams, 1856
                                                                                                           Genus # Cultellus - Schumacher, 1817
                                                                                                           Genus # Ensis - Schumacher, 1817
                                                                                                           Genus # Phaxas - Leach, 1852
                                                                                                           Genus # Siliqua - Megerle von Muhlfeld, 1811
                                                                                   Family # Solenidae - Lamarck, 1809
                                                                                                           Genus # Solen - Linnaeus, 1758
                                                           Order # Sphaeriida -  
                                                                             Superfamily # Sphaerioidea - Deshayes, 1855
                                                                                   Family # Sphaeriidae - Deshayes, 1855
                                                                                                           Genus # Eupera - Bourguignat, 1854
                                                                                                           Genus # Musculium - Link, 1807
                                                                                                           Genus # Pisidium - L. Pfeiffer, 1821
                                                                                                           Genus # Sphaerium - Scopoli, 1777
                                                                             Superfamily # Tellinoidea - Blainville, 1814
                                                                                   Family # Donacidae - J. Fleming, 1828
                                                                                                           Genus # Donax - Linnaeus, 1758
                                                                                                           Genus # Iphigenia - Schumacher, 1817
                                                                                   Family # Psammobiidae - J. Fleming, 1828
                                                                                                           Genus # Asaphis - Modeer, 1793
                                                                                                           Genus # Gari - Schumacher, 1817
                                                                                                           Genus # Heterodonax - Morch, 1853
                                                                                                           Genus # Nuttallia - Dall, 1900
                                                                                                           Genus # Sanguinolaria - Lamarck, 1799
                                                                                   Family # Semelidae - Stoliczka, 1870
                                                                                                           Genus # Abra - Lamarck, 1818
                                                                                                           Genus # Cumingia - G. B. Sowerby I, 1833
                                                                                                           Genus # Ervilia - Turton, 1822
                                                                                                           Genus # Scrobicularia - Schumacher, 1815
                                                                                                           Genus # Semele - Schumacher, 1817
                                                                                                           Genus # Semelina - Dall, 1900
                                                                                                           Genus # Theora - H. Adams and A. Adams, 1856
                                                                                   Family # Solecurtidae - d'Orbigny, 1846
                                                                                                           Genus # Solecurtus - de Blainville, 1824
                                                                                                           Genus # Tagelus - Gray, 1847
                                                                                   Family # Tellinidae - Blainville, 1814
                                                                                                           Genus # Arcopagia - Leach in Brown, 1827
                                                                                                           Genus # Cymatoica - Dall, 1889
                                                                                                           Genus # Leporimetis - Iredale, 1930
                                                                                                           Genus # Macoma - Leach, 1819
                                                                                                           Genus # Psammotreta - Dall, 1900
                                                                                                           Genus # Quidnipagus - (Iredale, 1929)
                                                                                                           Genus # Strigilla - Turton, 1822
                                                                                                           Genus # Tellidora - Morch, 1856
                                                                                                           Genus # Tellina - Linnaeus, 1758
                                                           Order # Thraciida -  
                                                                             Superfamily # Thracioidea - Stoliczka, 1870
                                                                                   Family # Cleidothaeridae - Hedley, 1918
                                                                                   Family # Myochamidae - P. P. Carpenter, 1861
                                                                                   Family # Periplomatidae - Dall, 1895
                                                                                                           Genus # Halistrepta - Dall, 1904
                                                                                                           Genus # Periploma - Schumacher, 1817
                                                                                   Family # Thraciidae - Stoliczka, 1870
                                                                                                           Genus # Asthenothaerus - Carpenter, 1864
                                                                                                           Genus # Bushia - Dall, 1886
                                                                                                           Genus # Cochlodesma - Couthouy, 1839
                                                                                                           Genus # Cyathodonta - Conrad, 1849
                                                                                                           Genus # Lampeia - MacGinitie, 1959
                                                                                                           Genus # Thracia - Leach in Blainville, 1824
                                                           Order # Trigoniida -  
                                                                                   Family # Trigoniidae - Lamarck, 1819
                                                           Order # Unionida -  
                                                                             Superfamily # Etherioidea - Deshayes, 1830
                                                                                   Family # Etheriidae - Deshayes, 1832
                                                                                                           Genus # Acostaea - d'Orbigny, 1851
                                                                                                           Genus # Bartlettia - H. Adams, 1867
                                                                                                           Genus # Etheria - Lamarck, 1807
                                                                                                           Genus # Pseudomulleria - R. Anthony, 1907
                                                                                   Family # Iridinidae - Swainson, 1840
                                                                                         Subfamily # Aspathariinae - Modell, 1942
                                                                                                           Genus # Aspatharia - Bourguignat, 1885
                                                                                                           Genus # Chambardia - Bourguignat in Servain, 1890
                                                                                         Subfamily # Iridininae - Swainson, 1840
                                                                                                           Genus # Chelidonopsis - Ancey, 1887
                                                                                                           Genus # Mutela - Scopoli, 1777
                                                                                                           Genus # Pleiodon - Conrad, 1834
                                                                                   Family # Mycetopodidae - Gray, 1840
                                                                                         Subfamily # Anodontitinae - Modell, 1942
                                                                                                           Genus # Anodontites - Bruguière, 1792
                                                                                                           Genus # Lamproscapha - Swainson, 1840
                                                                                         Subfamily # Leilinae - Morretes, 1949
                                                                                                           Genus # Leila - Gray, 1840
                                                                                         Subfamily # Monocondylaeinae - Modell, 1942
                                                                                                           Genus # Diplodontites - Marshall, 1922
                                                                                                           Genus # Fossula - Lea, 1870
                                                                                                           Genus # Haasica - Strand, 1932
                                                                                                           Genus # Iheringella - Pilsbry, 1893
                                                                                                           Genus # Monocondylaea - d'Orbigny, 1835
                                                                                                           Genus # Tamsiella - Haas, 1931
                                                                                         Subfamily # Mycetopodinae - Gray, 1840
                                                                                                           Genus # Mycetopoda - d'Orbigny, 1835
                                                                                                           Genus # Mycetopodella - Marshall, 1927
                                                                             Superfamily # Hyrioidea - Swainson, 1840
                                                                                   Family # Hyriidae - Swainson, 1840
                                                                                         Subfamily # Hyriinae - Swainson, 1840
                                                                                                           Genus # Echyridella - McMichael & Hiscock, 1958
                                                                                               Tribe # Castaliini - Morretes, 1949
                                                                                                           Genus # Callonaia - Simpson, 1900
                                                                                                           Genus # Castalia - Lamarck, 1819
                                                                                                           Genus # Castaliella - Simpson, 1900
                                                                                               Tribe # Hyridellini - McMichael, 1956
                                                                                                           Genus # Cucumerunio - Iredale, 1934
                                                                                                           Genus # Hyridella - Swainson, 1840
                                                                                                           Genus # Virgus - Simpson, 1900
                                                                                               Tribe # Hyriini - Swainson, 1840
                                                                                                           Genus # Prisodon - Schumacher, 1817
                                                                                                           Genus # Triplodon - Spix & Wagner, 1827
                                                                                               Tribe # Rhipidodontini - Starobogatov, 1970
                                                                                                           Genus # Diplodon - Spix & Wagner, 1827
                                                                                         Subfamily # Velesunioninae - Iredale, 1934
                                                                                                           Genus # Alathyria - Iredale, 1934
                                                                                                           Genus # Lortiella - Iredale, 1934
                                                                                                           Genus # Microdontia - Tapparone Canefri, 1883
                                                                                                           Genus # Velesunio - Iredale, 1934
                                                                                                           Genus # Westralunio - Iredale, 1934
                                                                             Superfamily # Unionoidea - Rafinesque, 1820
                                                                                   Family # Margaritiferidae - Henderson, 1929
                                                                                         Subfamily # Gibbosulinae - Bogan, Bolotov, Froufe & Lopes-Lima in Lopes-Lima et al., 2018
                                                                                                           Genus # Gibbosula - Simpson, 1900
                                                                                         Subfamily # Margaritiferinae - Henderson, 1929
                                                                                                           Genus # Cumberlandia - Ortmann, 1912
                                                                                                           Genus # Margaritifera - Schumacher, 1816
                                                                                                           Genus # Pseudunio - Haas, 1910
                                                                                   Family # Unionidae - Rafinesque, 1820
                                                                                                           Genus # Germainaia - Graf & Cummings, 2009
                                                                                                           Genus # Haasodonta - McMichael, 1956
                                                                                                           Genus # Limnoscapha - Lindholm, 1932
                                                                                         Subfamily # Ambleminae - Rafinesque, 1820
                                                                                               Tribe # Amblemini - Rafinesque, 1820
                                                                                                           Genus # Amblema - Rafinesque, 1820
                                                                                                           Genus # Plectomerus - Conrad, 1853
                                                                                                           Genus # Reginaia - Campbell & Lydeard, 2012
                                                                                               Tribe # Lampsilini - Ihering, 1901
                                                                                                           Genus # Actinonaias - Crosse & Fischer, 1894
                                                                                                           Genus # Arotonaias - Martens, 1900
                                                                                                           Genus # Atlanticoncha - Smith, Pfeiffer & Johnson, 2020
                                                                                                           Genus # Cambarunio - Watters, 2018
                                                                                                           Genus # Cyprogenia - Agassiz, 1852
                                                                                                           Genus # Cyrtonaias - Crosse & Fischer, 1894
                                                                                                           Genus # Delphinonaias - Crosse & Fischer, 1894
                                                                                                           Genus # Disconaias - Crosse & Fischer, 1894
                                                                                                           Genus # Dromus - Simpson, 1900
                                                                                                           Genus # Ellipsaria - Rafinesque, 1820
                                                                                                           Genus # Epioblasma - Rafinesque, 1831
                                                                                                           Genus # Friersonia - Ortmann, 1912
                                                                                                           Genus # Glebula - Conrad, 1853
                                                                                                           Genus # Hamiota - Roe & Hartfield, 2005
                                                                                                           Genus # Lampsilis - Rafinesque, 1820
                                                                                                           Genus # Leaunio - Watters, 2018
                                                                                                           Genus # Lemiox - Rafinesque, 1831
                                                                                                           Genus # Ligumia - Swainson, 1840
                                                                                                           Genus # Medionidus - Simpson, 1900
                                                                                                           Genus # Obliquaria - Rafinesque, 1820
                                                                                                           Genus # Obovaria - Rafinesque, 1819
                                                                                                           Genus # Ortmanniana - Frierson, 1927
                                                                                                           Genus # Pachynaias - Crosse & Fischer, 1894
                                                                                                           Genus # Paetulunio - Watters, 2018
                                                                                                           Genus # Potamilus - Rafinesque, 1818
                                                                                                           Genus # Ptychobranchus - Simpson, 1900
                                                                                                           Genus # Sagittunio - Watters, 2018
                                                                                                           Genus # Toxolasma - Rafinesque, 1831
                                                                                                           Genus # Truncilla - Rafinesque, 1819
                                                                                                           Genus # Venustaconcha - Frierson, 1927
                                                                                                           Genus # Villosa - Frierson, 1927
                                                                                               Tribe # Pleurobemini - Hannibal, 1912
                                                                                                           Genus # Elliptio - Rafinesque, 1819
                                                                                                           Genus # Elliptoideus - Frierson, 1927
                                                                                                           Genus # Eurynia - Rafinesque, 1820
                                                                                                           Genus # Fusconaia - Simpson, 1900
                                                                                                           Genus # Hemistena - Rafinesque, 1820
                                                                                                           Genus # Parvaspina - Perkins, Johnson & Gangloff, 2017
                                                                                                           Genus # Plethobasus - Simpson, 1900
                                                                                                           Genus # Pleurobema - Rafinesque, 1819
                                                                                                           Genus # Pleuronaia - Frierson, 1927
                                                                                               Tribe # Popenaiadini - Heard & Guckert, 1970
                                                                                                           Genus # Barynaias - Crosse & Fischer, 1894
                                                                                                           Genus # Martensnaias - Frierson, 1927
                                                                                                           Genus # Micronaias - Simpson, 1900
                                                                                                           Genus # Nephritica - Frierson, 1927
                                                                                                           Genus # Nephronaias - Crosse & Fischer, 1894
                                                                                                           Genus # Popenaias - Frierson, 1927
                                                                                                           Genus # Psoronaias - Crosse & Fischer, 1894
                                                                                                           Genus # Reticulatus - Frierson, 1927
                                                                                                           Genus # Sphenonaias - Crosse & Fischer, 1894
                                                                                               Tribe # Quadrulini - Ihering, 1901
                                                                                                           Genus # Cyclonaias - Pilsbry in Ortmann & Walker, 1922
                                                                                                           Genus # Megalonaias - Utterback, 1915
                                                                                                           Genus # Pustulosa - Frierson, 1927
                                                                                                           Genus # Quadrula - Rafinesque, 1820
                                                                                                           Genus # Theliderma - Swainson, 1840
                                                                                                           Genus # Uniomerus - Conrad, 1853
                                                                                         Subfamily # Gonideinae - Ortmann, 1916
                                                                                               Tribe # Chamberlainiini - Bogan, Froufe & Lopes-Lima in Lopes-Lima et al., 2017
                                                                                                           Genus # Caudiculatus - Simpson, 1900
                                                                                                           Genus # Chamberlainia - Simpson, 1900
                                                                                                           Genus # Sinohyriopsis - Starobogatov, 1970
                                                                                               Tribe # Ctenodesmini - Pfeiffer, Zieritz, Rahim & Lopes-Lima in Zieritz et al., 2021
                                                                                                           Genus # Ctenodesma - Simpson, 1900
                                                                                                           Genus # Khairuloconcha - Zieritz, Lopes-Lima & Pfeiffer in Zieritz et al., 2021
                                                                                               Tribe # Gonideini - Ortmann, 1916
                                                                                                           Genus # Gonidea - Conrad, 1857
                                                                                                           Genus # Koreosolenaia - Lee, Kim, Lopes-Lima & Bogan in Lopes-Lima et al., 2020
                                                                                                           Genus # Leguminaia - Conrad, 1865
                                                                                                           Genus # Microcondylaea - von Vest, 1866
                                                                                                           Genus # Obovalis - Simpson, 1900
                                                                                                           Genus # Parvasolenaia - Huang & Wu in Huang et al., 2019
                                                                                                           Genus # Pseudodontopsis - Kobelt, 1912
                                                                                                           Genus # Ptychorhynchus - Simpson, 1900
                                                                                                           Genus # Simpsonasus - Bolotov & Konopleva in Bolotov et al., 2023
                                                                                                           Genus # Sinosolenaia - Bolotov, Kondakov, Konopleva & Vikhrev, 2021
                                                                                               Tribe # Lamprotulini - Modell, 1942
                                                                                                           Genus # Discomya - Simpson, 1900
                                                                                                           Genus # Inversidens - Haas, 1911
                                                                                                           Genus # Lamprotula - Simpson, 1900
                                                                                                           Genus # Potomida - Swainson, 1840
                                                                                                           Genus # Pronodularia - Starobogatov, 1970
                                                                                               Tribe # Pseudodontini - Frierson, 1927
                                                                                                     Subtribe # Indopseudodontina - Bolotov, Konopleva, Kondakov & Vikhrev, 2023
                                                                                                           Genus # Indopseudodon - Prashad, 1922
                                                                                                     Subtribe # Pseudodontina - Frierson, 1927
                                                                                                           Genus # Bineurus - Simpson, 1900
                                                                                                           Genus # Namkongnaia - Jeratthitikul, Sutcharit, Ngor & Prasankok, 2021
                                                                                                           Genus # Nyeinchanconcha - Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
                                                                                                           Genus # Pilsbryoconcha - Simpson, 1900
                                                                                                           Genus # Pseudodon - Gould, 1844
                                                                                                           Genus # Songkhlanaia - Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023
                                                                                                           Genus # Sundadontina - Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
                                                                                                           Genus # Thaiconcha - Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
                                                                                               Tribe # Schepmaniini - Lopes-Lima, Pfeiffer & Zieritz in Zieritz et al., 2021
                                                                                                           Genus # Schepmania - Haas, 1910
                                                                                         Subfamily # Modellnaiinae - Brandt, 1974
                                                                                                           Genus # Modellnaia - Brandt, 1974
                                                                                         Subfamily # Parreysiinae - Henderson, 1935
                                                                                               Tribe # Coelaturini - Modell, 1942
                                                                                                           Genus # Brazzaea - Bourguignat, 1885
                                                                                                           Genus # Coelatura - Conrad, 1853
                                                                                                           Genus # Grandidieria - Bourguignat, 1885
                                                                                                           Genus # Moncetia - Bourguignat, 1886
                                                                                                           Genus # Nitia - Pallary, 1924
                                                                                                           Genus # Nyassunio - Haas, 1936
                                                                                                           Genus # Prisodontopsis - Tomlin, 1928
                                                                                                           Genus # Pseudospatha - Simpson, 1900
                                                                                               Tribe # Indochinellini - Bolotov, Pfeiffer, Vikhrev, & Konopleva in Bolotov et al., 2018
                                                                                                           Genus # Harmandia - Rochebrune, 1882
                                                                                                           Genus # Indochinella - Bolotov, Pfeiffer, Vikhrev, & Konopleva in Bolotov et al., 2018
                                                                                                           Genus # Indonaia - Prashad, 1918
                                                                                                           Genus # Radiatula - Simpson, 1900
                                                                                                           Genus # Scabiellus - Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
                                                                                                           Genus # Scabies - Haas, 1911
                                                                                                           Genus # Unionetta - Haas, 1955
                                                                                               Tribe # Lamellidentini - Modell, 1942
                                                                                                           Genus # Arcidopsis - Simpson, 1900
                                                                                                           Genus # Balwantia - Prashad, 1919
                                                                                                           Genus # Lamellidens - Simpson, 1900
                                                                                                           Genus # Trapezidens - Bolotov, Vikhrev & Konopleva in Bolotov et al., 2017
                                                                                               Tribe # Leoparreysiini - Vikhrev, Bolotov & Kondakov in Bolotov et al., 2017
                                                                                                           Genus # Leoparreysia - Vikhrev, Bolotov & Aksenova in Bolotov et al., 2017
                                                                                               Tribe # Parreysiini - Henderson, 1935
                                                                                                           Genus # Parreysia - Conrad, 1853
                                                                                         Subfamily # Rectidentinae - Modell, 1942
                                                                                               Tribe # Contradentini - Modell, 1942
                                                                                                           Genus # Lens - Simpson, 1900
                                                                                                           Genus # Physunio - Simpson, 1900
                                                                                                           Genus # Pressidens - Haas, 1910
                                                                                                           Genus # Solenaia - Conrad, 1869
                                                                                                           Genus # Trapezoideus - Simpson, 1900
                                                                                                           Genus # Yaukthwa - Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019
                                                                                               Tribe # Rectidentini - Modell, 1942
                                                                                                           Genus # Elongaria - Haas, 1913
                                                                                                           Genus # Ensidens - Frierson, 1911
                                                                                                           Genus # Hyriopsis - Conrad, 1853
                                                                                                           Genus # Prohyriopsis - Haas, 1914
                                                                                                           Genus # Rectidens - Simpson, 1900
                                                                                         Subfamily # Unioninae - Rafinesque, 1820
                                                                                               Tribe # Acuticostini - Starobogatov, 1967
                                                                                                           Genus # Acuticosta - Simpson, 1900
                                                                                               Tribe # Anodontini - Rafinesque, 1820
                                                                                                           Genus # Alasmidonta - Say, 1818
                                                                                                           Genus # Alasminota - Ortmann, 1914
                                                                                                           Genus # Amuranodonta - Moskvicheva, 1973
                                                                                                           Genus # Anemina - Haas, 1969
                                                                                                           Genus # Anodonta - Lamarck, 1799
                                                                                                           Genus # Anodontoides - Simpson in F. C. Baker, 1898
                                                                                                           Genus # Arcidens - Simpson, 1900
                                                                                                           Genus # Beringiana - Starobogatov in Zatravkin, 1983
                                                                                                           Genus # Buldowskia - Moskvicheva, 1973
                                                                                                           Genus # Cristaria - Schumacher, 1817
                                                                                                           Genus # Lasmigona - Rafinesque, 1831
                                                                                                           Genus # Pegias - Simpson, 1900
                                                                                                           Genus # Pletholophus - Simpson, 1900
                                                                                                           Genus # Pressodonta - Simpson, 1900
                                                                                                           Genus # Prolasmidonta - Ortmann, 1914
                                                                                                           Genus # Pseudanodonta - Bourguignat, 1876
                                                                                                           Genus # Pseudodontoideus - Frierson, 1927
                                                                                                           Genus # Pyganodon - Crosse & Fischer, 1894
                                                                                                           Genus # Simpsonaias - Frierson, 1914
                                                                                                           Genus # Simpsonella - Cockerell, 1903
                                                                                                           Genus # Sinanodonta - Modell, 1945
                                                                                                           Genus # Strophitus - Rafinesque, 1820
                                                                                                           Genus # Utterbackia - F. C. Baker, 1927
                                                                                                           Genus # Utterbackiana - Frierson, 1927
                                                                                               Tribe # Lanceolariini - Froufe, Lopes-Lima & Bogan in Lopes-Lima et al., 2017
                                                                                                           Genus # Lanceolaria - Conrad, 1853
                                                                                               Tribe # Lepidodesmini - Huang & Wu in Huang et al., 2019
                                                                                                           Genus # Lepidodesma - Simpson, 1896
                                                                                               Tribe # Unionini - Rafinesque, 1820
                                                                                                           Genus # Aculamprotula - Wu, Liang, Wang & Ouyang, 1999
                                                                                                           Genus # Cuneopsis - Simpson, 1900
                                                                                                           Genus # Diaurora - Cockerell, 1903
                                                                                                           Genus # Inversiunio - Habe, 1991
                                                                                                           Genus # Middendorffinaia - Moskvicheva & Starobogatov, 1973
                                                                                                           Genus # Nodularia - Conrad, 1853
                                                                                                           Genus # Protunio - Haas, 1913
                                                                                                           Genus # Pseudobaphia - Simpson, 1900
                                                                                                           Genus # Pseudocuneopsis - Huang, Dai, Chen & Wu et al., 2022
                                                                                                           Genus # Rhombuniopsis - Haas, 1920
                                                                                                           Genus # Schistodesmus - Simpson, 1900
                                                                                                           Genus # Tchangsinaia - Starobogatov, 1970
                                                                                                           Genus # Unio - Philipsson in Retzius, 1788
                                                           Order # Venerida -  
                                                                             Superfamily # Arcticoidea - Newton, 1891
                                                                                   Family # Arcticidae - Newton, 1891
                                                                                                           Genus # Arctica - Schumacher, 1817
                                                                             Superfamily # Chamoidea - Lamarck, 1809
                                                                                   Family # Chamidae - Lamarck, 1809
                                                                                                           Genus # Arcinella - Schumacher, 1817
                                                                                                           Genus # Chama - Linnaeus, 1758
                                                                                                           Genus # Pseudochama - Odhner, 1917
                                                                             Superfamily # Cyamioidea - G. O. Sars, 1878
                                                                                   Family # Basterotiidae - Cossmann, 1909
                                                                                   Family # Cyamiidae - Philippi, 1845
                                                                                   Family # Gaimardiidae - Hedley, 1916
                                                                                   Family # Galatheavalvidae - Knudsen, 1970
                                                                                   Family # Sportellidae - Dall, 1899
                                                                                                           Genus # Anisodonta - Deshayes, 1858
                                                                                                           Genus # Basterotia - Hoernes, 1859
                                                                                                           Genus # Ensitellops - Olsson and Harbison, 1953
                                                                                                           Genus # Fabella - Conrad, 1863
                                                                                                           Genus # Planktomya - Simroth, 1896
                                                                             Superfamily # Cyrenoidea - Gray, 1840
                                                                                   Family # Cyrenidae - Gray, 1840
                                                                                                           Genus # Corbicula - Megerle von Mühlfeld, 1811
                                                                                                           Genus # Polymesoda - Rafinesque, 1820
                                                                                   Family # Cyrenoididae - H. and A. Adams, 1857
                                                                                                           Genus # Cyrenoida - Joannis, 1835
                                                                                   Family # Glauconomidae - Gray, 1853
                                                                             Superfamily # Glossoidea - Gray, 1847
                                                                                   Family # Glossidae - Gray, 1847
                                                                                                           Genus # Meiocardia - H. and A. Adams, 1857
                                                                                   Family # Trapezidae - Lamy, 1920
                                                                                                           Genus # Coralliophaga - de Blainville, 1824
                                                                                                           Genus # Glossocardia - Stoliczka, 1870
                                                                                                           Genus # Neotrapezium - Habe, 1951
                                                                                                           Genus # Trapezium - Muhlfeld, 1811
                                                                             Superfamily # Hemidonacoidea -  
                                                                                   Family # Hemidonacidae -  
                                                                             Superfamily # Kellielloidea -  
                                                                                   Family # Kelliellidae - P. Fischer, 1887
                                                                                                           Genus # Kelliella - M. Sars, 1870
                                                                                   Family # Vesicomyidae - Dall and Simpson, 1901
                                                                                                           Genus # Calyptogena - Dall, 1891
                                                                                                           Genus # Vesicomya - Dall, 1886
                                                                             Superfamily # Mactroidea - Lamarck, 1809
                                                                                   Family # Anatinellidae - Deshayes, 1853
                                                                                                           Genus # Anatinella - G.B. Sowerby I in G.B. Sowerby I and J.C. Sowerby, 1833
                                                                                   Family # Cardilidae - P. Fischer, 1887
                                                                                   Family # Mactridae - Lamarck, 1809
                                                                                                           Genus # Anatina - Schumacher, 1817
                                                                                                           Genus # Lutraria - Lamarck, 1799
                                                                                                           Genus # Mactra - Linnaeus, 1767
                                                                                                           Genus # Mactrellona -  
                                                                                                           Genus # Mactromeris - Conrad, 1868
                                                                                                           Genus # Mactrotoma - Dall, 1894
                                                                                                           Genus # Mulinia - Gray, 1837
                                                                                                           Genus # Raeta - Gray, 1853
                                                                                                           Genus # Rangia - Desmoulins, 1832
                                                                                                           Genus # Simomactra - Dall, 1894
                                                                                                           Genus # Spisula - Gray, 1837
                                                                                                           Genus # Tresus - Gray, 1853
                                                                                   Family # Mesodesmatidae - Gray, 1839
                                                                                                           Genus # Mesodesma - Deshayes, 1832
                                                                             Superfamily # Ungulinoidea - Gray, 1854
                                                                                   Family # Ungulinidae - Gray, 1854
                                                                                                           Genus # Diplodonta - Bronn, 1831
                                                                                                           Genus # Felaniella -  
                                                                             Superfamily # Veneroidea - Rafinesque, 1815
                                                                                   Family # Neoleptonidae - Thiele, 1934
                                                                                                           Genus # Arculus - Monterosato, 1909
                                                                                                           Genus # Bernardina - Dall, 1910
                                                                                                           Genus # Epilepton - Dall, 1899
                                                                                                           Genus # Halodakra - Olsson, 1961
                                                                                                           Genus # Neolepton - Finley, 1926
                                                                                   Family # Petricolidae - Deshayes, 1831
                                                                                                           Genus # Choristodon - Jonas, 1844
                                                                                                           Genus # Cooperella - Carpenter, 1864
                                                                                                           Genus # Mysia - Lamarck, 1818
                                                                                                           Genus # Petricola - Lamarck, 1801
                                                                                                           Genus # Petricolaria - Stoliczka, 1870
                                                                                                           Genus # Rupellaria - Fleuriau de Bellevue, 1802
                                                                                   Family # Veneridae - Rafinesque, 1815
                                                                                                           Genus # Agriopoma - Dall, 1902
                                                                                                           Genus # Amiantis - Carpenter, 1884
                                                                                                           Genus # Anomalocardia - Schumacher, 1817
                                                                                                           Genus # Callista - Poli, 1791
                                                                                                           Genus # Chamelea - Morch, 1853
                                                                                                           Genus # Chione - Megerle von Mühlfeld, 1811
                                                                                                           Genus # Chionista - Keen, 1958
                                                                                                           Genus # Circomphalus - Klein, 1853
                                                                                                           Genus # Clausinella - J. E. Gray, 1851
                                                                                                           Genus # Compsomyax - Stewart, 1930
                                                                                                           Genus # Cyclinella - Dall, 1902
                                                                                                           Genus # Dosinia - Scopoli, 1777
                                                                                                           Genus # Gafrarium - Roding, 1798
                                                                                                           Genus # Gemma - Deshayes, 1853
                                                                                                           Genus # Globivenus - Coen, 1934
                                                                                                           Genus # Gouldia - C. B. Adams, 1847
                                                                                                           Genus # Humilaria - Grant and Gale, 1931
                                                                                                           Genus # Irus - Schmidt, 1818
                                                                                                           Genus # Irusella - Hertlein and Grant, 1972
                                                                                                           Genus # Liocyma - Dall, 1870
                                                                                                           Genus # Lirophora - Conrad, 1883
                                                                                                           Genus # Macrocallista - Meek, 1876
                                                                                                           Genus # Mercenaria - Schumacher, 1817
                                                                                                           Genus # Nutricola - Bernard, 1982
                                                                                                           Genus # Parastarte - Conrad, 1862
                                                                                                           Genus # Periglypta - Jukes-Browne, 1914
                                                                                                           Genus # Pitar - Römer, 1857
                                                                                                           Genus # Protothaca - Dall, 1902
                                                                                                           Genus # Puberella - Fischer-Piette and Vukadinovic, 1977
                                                                                                           Genus # Saxidomus - Conrad, 1837
                                                                                                           Genus # Tapes - Muhlfeld, 1811
                                                                                                           Genus # Timoclea - Brown, 1827
                                                                                                           Genus # Tivela - Link, 1807
                                                                                                           Genus # Transennella - Dall, 1883
                                                                                                           Genus # Turtonia - Alder, 1848
                                                                                                           Genus # Venerupis - Lamarck, 1818
                                                                                                           Genus # Venus - Linnaeus, 1758
                                               Infraclass # Pteriomorphia -  
                                                           Order # Arcida -  
                                                                             Superfamily # Anomioidea - Rafinesque, 1815
                                                                                   Family # Anomiidae - Rafinesque, 1815
                                                                                                           Genus # Anomia - Linnaeus, 1758
                                                                                                           Genus # Heteranomia -  
                                                                                                           Genus # Isomonia - Dautzenberg and Fischer, 1896
                                                                                                           Genus # Monia - Gray, 1850
                                                                                                           Genus # Pododesmus - Philippi, 1837
                                                                                   Family # Placunidae - Rafinesque, 1815
                                                                             Superfamily # Arcoidea - Lamarck, 1809
                                                                                   Family # Arcidae - Lamarck, 1809
                                                                                                           Genus # Acar - Gray, 1857
                                                                                                           Genus # Anadara - Gray, 1847
                                                                                                           Genus # Arca - Linnaeus, 1758
                                                                                                           Genus # Barbatia - Gray, 1847
                                                                                                           Genus # Bathyarca - Kobelt, 1891
                                                                                                           Genus # Bentharca - Verrill and Bush, 1898
                                                                                                           Genus # Samacar - Iredale, 1936
                                                                                   Family # Cucullaeidae - Stewart, 1930
                                                                                                           Genus # Cucullaea - Lamarck, 1801
                                                                                   Family # Glycymerididae - Dall, 1908
                                                                                                           Genus # Glycymeris - E. M. da Costa, 1778
                                                                                   Family # Limopsidae - Dall, 1895
                                                                                                           Genus # Empleconia - Dall, 1908
                                                                                                           Genus # Limopsis - Sasso, 1827
                                                                                                           Genus # Nipponolimopsis - Habe, 1951
                                                                                   Family # Noetiidae - Stewart, 1930
                                                                                                           Genus # Arcopsis - Von Koenen, 1885
                                                                                                           Genus # Noetia - Gray, 1857
                                                                                                           Genus # Striarea - Conrad, 1862
                                                                                   Family # Parallelodontidae - Dall, 1898
                                                                                                           Genus # Parallelodon - Meek and Worthen, 1866
                                                                             Superfamily # Dimyoidea - P. Fischer, 1886
                                                                                   Family # Dimyidae - P. Fischer, 1886
                                                                                                           Genus # Basiliomya - Bayer, 1971
                                                                                                           Genus # Dimya - Roualt, 1848
                                                                                                           Genus # Dimyella - Moore, 1969
                                                                             Superfamily # Philobryoidea - F. Bernard, 1897
                                                                                   Family # Philobryidae - F. Bernard, 1897
                                                                                                           Genus # Cosa - Finlay, 1926
                                                                                                           Genus # Philobrya - Carpenter, 1872
                                                                             Superfamily # Plicatuloidea - Gray, 1854
                                                                                   Family # Plicatulidae - Gray, 1854
                                                                                                           Genus # Plicatula - Lamarck, 1801
                                                           Order # Limida -  
                                                                             Superfamily # Entolioidea -  
                                                                                   Family # Entoliidae - Teppner, 1922
                                                                                                           Genus # Pectinella - A. E. Verrill, 1897
                                                                                   Family # Propeamussiidae - Abbott, 1954
                                                                                                           Genus # Cyclopecten - A. E. Verrill, 1897
                                                                                                           Genus # Parvamussium - Sacco, 1897
                                                                                                           Genus # Propeamussium - Gregorio, 1884
                                                                             Superfamily # Limoidea - Rafinesque, 1815
                                                                                   Family # Isolimeidae -  
                                                                                   Family # Limidae - Rafinesque, 1815
                                                                                                           Genus # Acesta - H. and A. Adams, 1858
                                                                                                           Genus # Lima - Bruguiere, 1789
                                                                                                           Genus # Limaria - Link, 1807
                                                                                                           Genus # Limatula - S. V. Wood, 1839
                                                                                                           Genus # Limea - Bronn, 1831
                                                           Order # Mytilida -  
                                                                             Superfamily # Mytiloidea - Rafinesque, 1815
                                                                                   Family # Mytilidae - Rafinesque, 1815
                                                                                                           Genus # Adipicola - Dautzenberg, 1927
                                                                                                           Genus # Adula - H. Adams and A. Adams, 1857
                                                                                                           Genus # Amygdalum - Megerle von Muhlfeld, 1811
                                                                                                           Genus # Arcuatula - Soot-Ryen, 1955
                                                                                                           Genus # Botula - Mörch, 1853
                                                                                                           Genus # Brachidontes - Swainson, 1840
                                                                                                           Genus # Crenella - T. Brown, 1827
                                                                                                           Genus # Dacrydium - Torell, 1859
                                                                                                           Genus # Geukensia - Van de Poel, 1959
                                                                                                           Genus # Gregariella - di Monterosato, 1884
                                                                                                           Genus # Idasola - Iredale, 1939
                                                                                                           Genus # Ischadium - Jukes-Browne, 1905
                                                                                                           Genus # Lioberus - Dall, 1898
                                                                                                           Genus # Lithophaga - Roding, 1798
                                                                                                           Genus # Megacrenella - Habe and Ito, 1965
                                                                                                           Genus # Modiolula - Sacco, 1898
                                                                                                           Genus # Modiolus - Lamarck, 1799
                                                                                                           Genus # Musculista - Yamamoto and Habe, 1958
                                                                                                           Genus # Musculus - Roding, 1798
                                                                                                           Genus # Mytilus - Linnaeus, 1758
                                                                                                           Genus # Perna - Philipsson, 1788
                                                                                                           Genus # Rhomboidella - Monterosato, 1884
                                                                                                           Genus # Septifer - Recluz, 1848
                                                                                                           Genus # Solamen - Iredale, 1924
                                                                                                           Genus # Stenolena - Dall, Bartsch, and Rehder, 1938
                                                                                                           Genus # Vilasina - Bartsch, 1960
                                                           Order # Ostreida -  
                                                                             Superfamily # Ostreoidea - Rafinesque, 1815
                                                                                   Family # Gryphaeidae - Vyalov, 1936
                                                                                                           Genus # Neopycnodonte - Stenzel, 1971
                                                                                                           Genus # Parahyotissa - Harry, 1985
                                                                                                           Genus # Pycnodonte - G. Fischer, 1835
                                                                                   Family # Ostreidae - Rafinesque, 1815
                                                                                                           Genus # Crassostrea - Sacco, 1897
                                                                                                           Genus # Dendostrea - Swainson, 1835
                                                                                                           Genus # Lopha - Roding, 1798
                                                                                                           Genus # Ostrea - Linnaeus, 1758
                                                                                                           Genus # Saccostrea - Dollfus and Dautzenberg, 1920
                                                                                                           Genus # Teskeyostrea - Harry, 1985
                                                           Order # Pectinida -  
                                                                 Suborder # Pectinina -  
                                                                             Superfamily # Pectinoidea - Rafinesque, 1815
                                                                                   Family # Cyclochlamydidae -  
                                                                                   Family # Pectinidae - Rafinesque, 1815
                                                                                                           Genus # Aequipecten - P. Fischer, 1886
                                                                                                           Genus # Amusium - Roding, 1798
                                                                                                           Genus # Argopecten - Monterosato, 1889
                                                                                                           Genus # Bractechlamys - Iredale, 1939
                                                                                                           Genus # Caribachlamys - Waller, 1993
                                                                                                           Genus # Chlamys - Röding, 1798
                                                                                                           Genus # Crassadoma - Bernard, 1986
                                                                                                           Genus # Cryptopecten - Dall, Bartsch and Rehder, 1938
                                                                                                           Genus # Decatopecten - G. B. Sowerby II, 1839
                                                                                                           Genus # Delectopecten - Stewart, 1930
                                                                                                           Genus # Euvola - Dall, 1898
                                                                                                           Genus # Haumea - Dall, Bartsch, and Rehder, 1938
                                                                                                           Genus # Hinnites - De France, 1821
                                                                                                           Genus # Hyalopecten - Verrill, 1897
                                                                                                           Genus # Laevichlamys - Waller, 1993
                                                                                                           Genus # Leptopecten - A. E. Verrill, 1897
                                                                                                           Genus # Lindapecten - Petuch, 1995
                                                                                                           Genus # Lyropecten - Conrad, 1862
                                                                                                           Genus # Malanochlamys -  
                                                                                                           Genus # Nodipecten - Dall, 1898
                                                                                                           Genus # Palliolum - di Monterosato, 1884
                                                                                                           Genus # Patinopecten - Dall, 1898
                                                                                                           Genus # Pecten - Muller, 1776
                                                                                                           Genus # Placopecten - Verrill, 1897
                                                                                                           Genus # Spathochlamys - Waller, 1993
                                                                                   Family # Spondylidae - Gray, 1826
                                                                                                           Genus # Spondylus - Linnaeus, 1758
                                                           Order # Pteriida - Newell, 1965
                                                                 Suborder # Pteriina - Newell, 1965
                                                                             Superfamily # Pinnoidea - Leach, 1819
                                                                                   Family # Pinnidae - Leach, 1819
                                                                                                           Genus # Atrina - Gray, 1847
                                                                                                           Genus # Pinna - Linnaeus, 1758
                                                                             Superfamily # Pterioidea - Gray, 1847
                                                                                   Family # Isognomonidae - Woodring, 1925
                                                                                                           Genus # Isognomon - Lightfoot, 1786
                                                                                   Family # Malleidae - Lamarck, 1818
                                                                                                           Genus # Malleus - Lamarck, 1799
                                                                                   Family # Pteriidae - Gray, 1847
                                                                                                           Genus # Pinctada - Roding, 1798
                                                                                                           Genus # Pteria - Scoploi, 1777
                                                                                   Family # Pulvinitidae - Stephenson, 1941
                                                                                                           Genus # Pulvinites - De France, 1824
                                         Subclass # Protobranchia - Pelseneer, 1889
                                                           Order # Manzanellida -  
                                                                             Superfamily # Manzanelloidea - Chronic, 1952
                                                                                   Family # Manzanellidae - Chronic, 1952
                                                                                   Family # Nucinellidae - Vokes, 1956
                                                                                                           Genus # Huxleyia - A. Adams, 1860
                                                                                                           Genus # Nucinella - Wood, 1851
                                                           Order # Nuculanida - Carter, D. C. Campbell and M. R. Campbell, 2000
                                                                 Suborder # Nuculanina -  
                                                                             Superfamily # Nuculanoidea - H. and A. Adams, 1858
                                                                                   Family # Lametilidae -  
                                                                                                           Genus # Lametila -  
                                                                                                           Genus # Phaseolus - Monterosato, 1875
                                                                                   Family # Malletiidae - H. and A. Adams, 1858
                                                                                                           Genus # Malletia - Desmoulins, 1832
                                                                                                           Genus # Neilonela - Dall, 1881
                                                                                                           Genus # Saturnia - Sequenza, 1877
                                                                                   Family # Neilonellidae - Schileyko, 1989
                                                                                   Family # Nuculanidae - H. and A. Adams, 1858
                                                                                                           Genus # Ledella - A. E. Verrill and Bush, 1897
                                                                                                           Genus # Nuculana - Link, 1807
                                                                                                           Genus # Spinula - Dall, 1908
                                                                                                           Genus # Tindaria - Bellardi, 1875
                                                                                   Family # Phaseolidae - Scarlato and Starobogatov, 1971
                                                                                   Family # Siliculidae - Allen and Sanders, 1973
                                                                                                           Genus # Silicula - Jeffreys, 1879
                                                                                   Family # Tindariidae - Verrill and Bush, 1897
                                                                                   Family # Yoldiidae - Dall, 1908
                                                                                                           Genus # Megayoldia - A. E. Verrill and Bush, 1897
                                                                                                           Genus # Portlandia - Morch, 1857
                                                                                                           Genus # Yoldia - Moller, 1842
                                                                                                           Genus # Yoldiella - A. E. Verrill and Bush, 1897
                                                                             Superfamily # Sareptoidea -  
                                                                                   Family # Sareptidae - Stoliczka, 1870
                                                                                                           Genus # Microgloma - Saunders and Allen, 1973
                                                                                                           Genus # Pristigloma - Dall, 1900
                                                           Order # Nuculida - Dall, 1889
                                                                             Superfamily # Nuculoidea - Gray, 1824
                                                                                   Family # Nuculidae - Gray, 1824
                                                                                                           Genus # Acila - H. Adams and A. Adams, 1858
                                                                                                           Genus # Adrana - Adams and Adams, 1858
                                                                                                           Genus # Brevinucula - Thiele, 1934
                                                                                                           Genus # Ennucula - Iredale, 1931
                                                                                                           Genus # Nucula - Lamarck, 1799
                                                                                                           Genus # Nuculoma - Cossmann, 1907
                                                                                   Family # Praenuculidae - Mcalester, 1969
                                                           Order # Solemyida - Dall, 1889
                                                                             Superfamily # Solemyoidea - Gray, 1840
                                                                                   Family # Solemyidae - Gray, 1840
                                                                                                           Genus # Acharax - Dall, 1908
                                                                                                           Genus # Solemya - Lamarck, 1818
                                   Class # Caudofoveata -  
                                                           Order # Chaetodermatida -  
                                                                                   Family # Chaetodermatidae - Ihering, 1876
                                                                                                           Genus # Chaetoderma - Loven, 1844
                                                                                                           Genus # Falcidens - Salvini-Plawen, 1968
                                                                                   Family # Limifossoridae - Salvini-Plawen, 1968
                                                                                                           Genus # Limifossor - Heath, 1904
                                                                                                           Genus # Metachaetoderma - Thiele, 1913
                                                                                                           Genus # Psilodens - Salvini-Plawen, 1977
                                                                                                           Genus # Scutopus - Salvini-Plawen, 1968
                                                                                   Family # Prochaetodermatidae - Salvini-Plawen, 1968
                                                                                                           Genus # Chevroderma - Scheltema, 1985
                                                                                                           Genus # Prochaetoderma - Thiele, 1913
                                                                                                           Genus # Spathoderma - Scheltema, 1985
                                   Class # Cephalopoda - Cuvier, 1797
                                         Subclass # Coleoidea - Bather, 1888
                                                     Superorder # Decabrachia - Boettger, 1952
                                                           Order # Sepiida - Zittel, 1895
                                                                                   Family # Sepiadariidae - Fischer, 1882 in 1880-1887
                                                                                                           Genus # Sepiadarium - Steenstrup, 1881
                                                                                                           Genus # Sepioloidea - D'Orbigny, 1845 in Férussac and D'Orbigny, 1834-1848
                                                                                   Family # Sepiidae - Leach, 1817
                                                                                                           Genus # Metasepia - Hoyle, 1885
                                                                                                           Genus # Sepia - Linnaeus, 1758
                                                                                                           Genus # Sepiella - Gray, 1849
                                                           Order # Sepiolida - Fioroni, 1981
                                                                                   Family # Idiosepiidae - Fischer, 1882 in 1880-1887
                                                                                                           Genus # Idiosepius - Steenstrup, 1881
                                                                                   Family # Sepiolidae - Leach, 1817
                                                                                         Subfamily # Heteroteuthinae - Appellöf, 1898
                                                                                                           Genus # Heteroteuthis - Gray, 1849
                                                                                                           Genus # Iridoteuthis - Naef, 1912
                                                                                                           Genus # Nectoteuthis - Verrill, 1883
                                                                                                           Genus # Sepiolina - Naef, 1912
                                                                                                           Genus # Stoloteuthis - Verrill, 1881 in 1880-1881
                                                                                         Subfamily # Rossinae - Appellöf, 1898
                                                                                                           Genus # Austrorossia - Berry, 1918
                                                                                                           Genus # Neorossia - Boletzky, 1971
                                                                                                           Genus # Rossia - Owen, 1834
                                                                                                           Genus # Semirossia - Steenstrup, 1887
                                                                                         Subfamily # Sepiolinae - Appellöf, 1898
                                                                                                           Genus # Euprymna - Steenstrup, 1887
                                                                                                           Genus # Inioteuthis - Verrill, 1881 in 1880-1881
                                                                                                           Genus # Rondeletiola - Naef, 1921
                                                                                                           Genus # Sepietta - Naef, 1912
                                                                                                           Genus # Sepiola - Leach, 1817
                                                           Order # Spirulida - Stolley, 1919
                                                                                   Family # Spirulidae - Rafinesque, 1815
                                                                                                           Genus # Spirula - Lamarck, 1799
                                                           Order # Teuthida - Naef, 1916
                                                                 Suborder # Myopsina - Orbigny, 1841
                                                                                   Family # Loliginidae - Lesueur, 1821
                                                                                                           Genus # Loligo - Lamarck, 1798
                                                                                                           Genus # Loliolus - Steenstrup, 1856
                                                                                                           Genus # Lolliguncula - Steenstrup, 1881
                                                                                                           Genus # Pickfordiateuthis - Voss, 1953
                                                                                                           Genus # Sepioteuthis - Blainville, 1824
                                                                                                           Genus # Uroteuthis - Rehder, 1945
                                                                 Suborder # Oegopsina - D'Orbigny, 1845
                                                                                                           Genus # Parateuthis - Thiele, 1920
                                                                                   Family # Ancistrocheiridae - Pfeffer, 1912
                                                                                                           Genus # Ancistrocheirus - Gray, 1849
                                                                                   Family # Architeuthidae - Pfeffer, 1900
                                                                                                           Genus # Architeuthis - Steenstrup, 1857 in Harting, 1860
                                                                                   Family # Bathyteuthidae - Pfeffer, 1900
                                                                                                           Genus # Bathyteuthis - Hoyle, 1885
                                                                                   Family # Batoteuthidae - Young and Roper, 1968
                                                                                                           Genus # Batoteuthis - Young and Roper, 1968
                                                                                   Family # Brachioteuthidae - Pfeffer, 1908
                                                                                                           Genus # Brachioteuthis - Verrill, 1881 in 1880-1881
                                                                                   Family # Chiroteuthidae - Gray, 1849
                                                                                                           Genus # Chiroteuthis - D'Orbigny, 1841
                                                                                                           Genus # Grimalditeuthis - Joubin, 1898
                                                                                                           Genus # Planctoteuthis - Pfeffer, 1912
                                                                                   Family # Chtenopterygidae - Allan, 1945
                                                                                                           Genus # Chtenopteryx - Appellöf, 1890
                                                                                   Family # Cranchiidae - Prosch, 1847
                                                                                         Subfamily # Cranchiinae - Pfeffer, 1912
                                                                                                           Genus # Cranchia - Leach, 1817
                                                                                                           Genus # Drechselia - Joubin, 1931
                                                                                                           Genus # Leachia - Lesueur, 1821
                                                                                                           Genus # Liocranchia - Pfeffer, 1884
                                                                                         Subfamily # Taoniinae - Pfeffer, 1912
                                                                                                           Genus # Bathothauma - Chun, 1906
                                                                                                           Genus # Belonella - Lane, 1957
                                                                                                           Genus # Egea - Joubin, 1933
                                                                                                           Genus # Galiteuthis - Joubin, 1898
                                                                                                           Genus # Helicocranchia - Massy, 1907
                                                                                                           Genus # Liguriella - Issel, 1908
                                                                                                           Genus # Megalocranchia - Pfeffer, 1884
                                                                                                           Genus # Mesonychoteuthis - Robson, 1925
                                                                                                           Genus # Sandalops - Chun, 1906
                                                                                                           Genus # Taonius - Steenstrup, 1861
                                                                                                           Genus # Teuthowenia - Chun, 1910
                                                                                   Family # Cycloteuthidae - Naef, 1923
                                                                                                           Genus # Cycloteuthis - Joubin, 1919
                                                                                                           Genus # Discoteuthis - Young and Roper, 1969
                                                                                   Family # Enoploteuthidae - Pfeffer, 1900
                                                                                                           Genus # Abralia - Gray, 1849
                                                                                                           Genus # Abraliopsis - Joubin, 1896
                                                                                                           Genus # Enoploteuthis - D'Orbigny in Rüppell, 1844
                                                                                                           Genus # Watasenia - Ishikawa, 1914
                                                                                   Family # Gonatidae - Hoyle, 1886
                                                                                                           Genus # Berryteuthis - Naef, 1921
                                                                                                           Genus # Eogonatus - Nesis, 1972
                                                                                                           Genus # Gonatopsis - Sasaki, 1920
                                                                                                           Genus # Gonatus - Gray, 1849
                                                                                   Family # Histioteuthidae - Verrill, 1881
                                                                                                           Genus # Histioteuthis - D'Orbigny, 1842 in Férussac and D'Orbigny, 1834-1848
                                                                                   Family # Joubiniteuthidae - Naef, 1922
                                                                                                           Genus # Joubiniteuthis - Berry, 1920
                                                                                   Family # Lepidoteuthidae - Naef, 1912
                                                                                                           Genus # Lepidoteuthis - Joubin, 1895
                                                                                                           Genus # Pholidoteuthis - Adam, 1950
                                                                                                           Genus # Tetronychoteuthis - Pfeffer, 1900
                                                                                   Family # Lycoteuthidae - Pfeffer, 1908
                                                                                         Subfamily # Lampadioteuthinae - Berry, 1916
                                                                                                           Genus # Lampadioteuthis - Berry, 1916
                                                                                         Subfamily # Lycoteuthinae - Pfeffer, 1908
                                                                                                           Genus # Lycoteuthis - Pfeffer, 1900
                                                                                                           Genus # Nematolampas - Berry, 1913
                                                                                                           Genus # Selenoteuthis - Voss, 1959
                                                                                   Family # Mastigoteuthidae - Verrill, 1881 in 1880-1881
                                                                                                           Genus # Idioteuthis - Sasaki, 1916
                                                                                                           Genus # Mastigoteuthis - Verrill, 1881
                                                                                   Family # Neoteuthidae - Naef, 1921
                                                                                                           Genus # Alluroteuthis - Odhner, 1923
                                                                                                           Genus # Neoteuthis - Naef, 1921
                                                                                                           Genus # Nototeuthis - Nesis and Nikitina, 1986
                                                                                   Family # Octopoteuthidae - Berry, 1912
                                                                                                           Genus # Octopoteuthis - Rüppell, 1844
                                                                                                           Genus # Taningia - Joubin, 1931
                                                                                   Family # Ommastrephidae - Steenstrup, 1857
                                                                                         Subfamily # Illicinae - Pfeffer, 1912
                                                                                                           Genus # Illex - Steenstrup, 1880
                                                                                         Subfamily # Ommastrephinae - Posselt, 1891
                                                                                                           Genus # Dosidicus - Steenstrup, 1857
                                                                                                           Genus # Eucleoteuthis - Berry, 1916
                                                                                                           Genus # Hyaloteuthis - Gray, 1849
                                                                                                           Genus # Ommastrephes - D'Orbigny, 1834 in 1834-1847
                                                                                                           Genus # Ornithoteuthis - Okada, 1927
                                                                                                           Genus # Sthenoteuthis - Verrill, 1880 in 1879-1880
                                                                                         Subfamily # Todarodinae - Adam, 1960
                                                                                                           Genus # Martialia - Rochebrune and Mabille, 1889
                                                                                                           Genus # Nototodarus - Pfeffer, 1912
                                                                                                           Genus # Todarodes - Steenstrup, 1880
                                                                                                           Genus # Todaropsis - Girard, 1890
                                                                                   Family # Onychoteuthidae - Gray, 1847
                                                                                                           Genus # Ancistroteuthis - Gray, 1849
                                                                                                           Genus # Kondakovia - Filippova, 1972
                                                                                                           Genus # Moroteuthis - Verrill, 1881
                                                                                                           Genus # Onychoteuthis - Lichtenstein, 1818
                                                                                                           Genus # Onykia - Lesueur, 1821
                                                                                   Family # Promachoteuthidae - Naef, 1912
                                                                                                           Genus # Promachoteuthis - Hoyle, 1885
                                                                                   Family # Psychroteuthidae - Thiele, 1920
                                                                                                           Genus # Psychroteuthis - Thiele, 1920
                                                                                   Family # Pyroteuthidae - Pfeffer, 1912
                                                                                                           Genus # Pterygioteuthis - Fischer, 1896
                                                                                                           Genus # Pyroteuthis - Hoyle, 1904
                                                                                   Family # Thysanoteuthidae - Keferstein, 1866
                                                                                                           Genus # Thysanoteuthis - Troschel, 1857
                                                                                   Family # Walvisteuthidae - Nesis and Nikitina, 1986
                                                                                                           Genus # Walvisteuthis - Nesis and Nikitina, 1986
                                                     Superorder # Octobrachia - Fioroni, 1981
                                                           Order # Octopoda - Leach, 1818
                                                                 Suborder # Cirrina - Grimpe, 1916
                                                                                   Family # Cirroteuthidae - Keferstein, 1866
                                                                                                           Genus # Cirroteuthis - Eschricht, 1836
                                                                                                           Genus # Cirrothauma - Chun, 1911
                                                                                                           Genus # Froekenia - Hoyle, 1904
                                                                                   Family # Opisthoteuthidae - Verrill, 1896
                                                                                                           Genus # Grimpoteuthis - Robson, 1932
                                                                                                           Genus # Opisthoteuthis - Verrill, 1883
                                                                                   Family # Stauroteuthidae - Grimpe, 1916
                                                                                                           Genus # Chunioteuthis - Grimpe, 1916
                                                                                                           Genus # Stauroteuthis - Verrill, 1879
                                                                 Suborder # Incirrina - Grimpe, 1916
                                                                                   Family # Alloposidae - Verrill, 1881
                                                                                                           Genus # Haliphron - Steenstrup, 1859
                                                                                   Family # Amphitretidae - Hoyle, 1886
                                                                                                           Genus # Amphitretus - Hoyle, 1885
                                                                                   Family # Argonautidae - Tryon, 1879
                                                                                                           Genus # Argonauta - Linnaeus, 1758
                                                                                   Family # Bolitaenidae - Chun, 1911
                                                                                                           Genus # Bolitaena - Steenstrup, 1859
                                                                                                           Genus # Dorsopsis - Thore, 1949
                                                                                                           Genus # Eledonella - Verrill, 1884
                                                                                                           Genus # Japetella - Hoyle, 1885
                                                                                   Family # Idioctopodidae - Taki, 1962
                                                                                                           Genus # Idioctopus - Taki, 1962
                                                                                   Family # Octopodidae - D'Orbigny, 1839-1842 in Férussac and D'Orbigny, 1834-1848
                                                                                         Subfamily # Bathypolypodinae - Robson, 1929
                                                                                                           Genus # Bathypolypus - Grimpe, 1921
                                                                                                           Genus # Benthoctopus - Grimpe, 1921
                                                                                                           Genus # Grimpella - Robson, 1928
                                                                                                           Genus # Teretoctopus - Robson, 1929
                                                                                         Subfamily # Eledoninae - Grimpe, 1921
                                                                                                           Genus # Eledone - Leach, 1817
                                                                                                           Genus # Pareledone - Robson, 1932
                                                                                                           Genus # Tetracheledone - Voss, 1955
                                                                                                           Genus # Velodona - Chun, 1915
                                                                                                           Genus # Vosseledone - Palacio, 1978
                                                                                         Subfamily # Graneledoninae - Voss, 1988
                                                                                                           Genus # Bentheledone - Robson, 1932
                                                                                                           Genus # Graneledone - Joubin, 1918
                                                                                                           Genus # Thaumeledone - Robson, 1930
                                                                                         Subfamily # Megaleledoninae - Taki, 1961
                                                                                                           Genus # Megaleledone - Taki, 1961
                                                                                         Subfamily # Octopodinae - Grimpe, 1921
                                                                                                           Genus # Ameloctopus - Norman, 1992
                                                                                                           Genus # Aphrodoctopus - Roper and Mangold, 1992
                                                                                                           Genus # Cistopus - Gray, 1849
                                                                                                           Genus # Enteroctopus - Rochebrune and Mabille, 1889
                                                                                                           Genus # Euaxoctopus - Voss, 1971
                                                                                                           Genus # Hapalochlaena - Robson, 1929
                                                                                                           Genus # Octopus - Cuvier, 1797
                                                                                                           Genus # Pteroctopus - Fischer, 1882 in 1880-1887
                                                                                                           Genus # Robsonella - Adam, 1938
                                                                                                           Genus # Scaeurgus - Troschel, 1857
                                                                                   Family # Ocythoidae - Gray, 1849
                                                                                                           Genus # Ocythoe - Rafinesque, 1814
                                                                                   Family # Tremoctopodidae - Tryon, 1879
                                                                                                           Genus # Tremoctopus - Chiaie, 1830 in 1823-1831
                                                                                   Family # Vitreledonellidae - Robson, 1932
                                                                                                           Genus # Vitreledonella - Joubin, 1918
                                                           Order # Vampyromorphida - Pickford, 1939
                                                                                   Family # Vampyroteuthidae - Thiele in Chun, 1915
                                                                                                           Genus # Vampyroteuthis - Chun, 1903
                                         Subclass # Nautiloidea - Agassiz, 1847
                                                           Order # Nautilida - Agassiz, 1847
                                                                                   Family # Nautilidae - Blainville, 1825
                                                                                                           Genus # Allonautilus - Ward and Saunders, 1997
                                                                                                           Genus # Nautilus - Linnaeus, 1758
                                   Class # Gastropoda - Cuvier, 1797
                                         Subclass # Eogastropoda -  
                                               Infraclass # Patellogastropoda -  
                                                           Order # Nacellida -  
                                                                 Suborder # Lottiina -  
                                                                             Superfamily # Lottioidea -  
                                                                                   Family # Acmaeidae - Forbes, 1850
                                                                                                           Genus # Acmaea - Eschscholtz, 1833
                                                                                                           Genus # Notoacmea - Iredale, 1915
                                                                                                           Genus # Problacmaea - Golikov and Kussakin, 1972
                                                                                         Subfamily # Acmaeinae - Forbes, 1850
                                                                                   Family # Eoacmaeidae -  
                                                                                   Family # Lottiidae - Gray, 1840
                                                                                                           Genus # Collisella - Dall, 1871
                                                                                                           Genus # Discurria - Lindberg, 1988
                                                                                                           Genus # Erginus - Jeffreys, 1877
                                                                                                           Genus # Niveotectura - Habe, 1944
                                                                                                           Genus # Patelloida - Quoy and Gaimard, 1834
                                                                                                           Genus # Rhodopetala - Dall, 1921
                                                                                                           Genus # Tectura - Gray, 1847
                                                                                         Subfamily # Lottiinae - Gray, 1840
                                                                                               Tribe # Lottiini - Gray, 1840
                                                                                                           Genus # Lottia - G. B. Sowerby I, 1834
                                                                                                           Genus # Scurria - Gray, 1847
                                                                                         Subfamily # Patelloidinae - (Oliver, 1926)
                                                                                                           Genus # Potamacmaea - Peile, 1922
                                                                                   Family # Neolepetopsidae -  
                                                                 Suborder # Nacellina -  
                                                                             Superfamily # Lepetoidea - Gray, 1850
                                                                                   Family # Lepetidae - Gray, 1850
                                                                                                           Genus # Bathylepeta - Moskalay, 1977
                                                                                                           Genus # Cryptobranchia - Middendorff, 1851
                                                                                                           Genus # Iothia - Forbes, 1849
                                                                                                           Genus # Lepeta - J. E. Gray, 1842
                                                                                                           Genus # Limalepta - Moskalev, 1978
                                                                                                           Genus # Propilidium - Forbes and Hanley, 1849
                                                                                                           Genus # Sagamilepeta - Okutani, 1987
                                                                                   Family # Pectinodontidae - Pilsbry, 1891
                                                                                                           Genus # Pectinodonta - Dall, 1882
                                                                             Superfamily # Nacelloidea - Thiele, 1891
                                                                                   Family # Nacellidae - Thiele, 1891
                                                                                                           Genus # Cellana - H. Adams, 1869
                                                           Order # Patellida -  
                                                                             Superfamily # Patelloidea - Rafinesque, 1815
                                                                                   Family # Patellidae - Rafinesque, 1815
                                                                                                           Genus # Helcion - Dentfort, 1810
                                                                                                           Genus # Patina - Gray, 1840
                                                                                         Subfamily # Patellinae -  
                                                                                                           Genus # Patella - Linnaeus, 1758
                                         Subclass # Orthogastropoda -  
                                               Infraclass # Caenogastropoda -  
                                                                                   Family # Globocornidae - Espinosa and Ortea, 2010
                                                           Order # Ampullariida -  
                                                                             Superfamily # Ampullarioidea - Gray, 1824
                                                                                   Family # Ampullariidae - Gray, 1824
                                                                                                           Genus # Afropomus - Pilsbry and Bequaert, 1927
                                                                                                           Genus # Asolene - d'Orbigny, 1837
                                                                                                           Genus # Lanistes - Montfort, 1810
                                                                                                           Genus # Marisa - Gray, 1824
                                                                                                           Genus # Pila - Röding, 1798
                                                                                                           Genus # Pomacea - Perry, 1810
                                                                                                           Genus # Saulea - Gray, 1867
                                                                             Superfamily # Ampullinoidea - Cossmann, 1919
                                                                                   Family # Ampullinidae - Cossmann, 1919
                                                           Order # Campanilida -  
                                                                             Superfamily # Campaniloidea - Douvillé, 1904
                                                                                   Family # Campanilidae - Douvillé, 1904
                                                                                   Family # Plesiotrochidae - Houbrick, 1990
                                                                                                           Genus # Plesiotrochus - P. Fischer, 1878
                                                           Order # Cerithiida -  
                                                                             Superfamily # Cerithioidea - J. Fleming, 1822
                                                                                   Family # Batillariidae - Thiele, 1929
                                                                                                           Genus # Batillaria - Benson, 1842
                                                                                   Family # Cerithiidae - J. Fleming, 1822
                                                                                                           Genus # Bittiolum - Cossmann, 1906
                                                                                                           Genus # Bittium - Gray, 1847
                                                                                                           Genus # Cerithidium -  
                                                                                                           Genus # Cerithiella - Verrill, 1882
                                                                                                           Genus # Cerithium - Bruguiere, 1789
                                                                                                           Genus # Lirobittium - Bartsch, 1911
                                                                                                           Genus # Stylidium - Dall, 1907
                                                                                                           Genus # Varicopeza - Grundel, 1976
                                                                                   Family # Dialidae - Kay, 1979
                                                                                                           Genus # Diala - A. Adams, 1861
                                                                                   Family # Diastomatidae - Cossmann, 1894
                                                                                                           Genus # Diastoma - Deshayes, 1850
                                                                                   Family # Hemisinidae - P. Fischer and Crosse, 1891
                                                                                   Family # Litiopidae - Gray, 1847
                                                                                                           Genus # Alaba - H. Adams and A. Adams, 1853
                                                                                                           Genus # Litiopa - Rang, 1829
                                                                                                           Genus # Styliferina - A. Adams, 1860
                                                                                   Family # Melanopsidae - H. Adams and A. Adams, 1854
                                                                                   Family # Modulidae - P. Fischer, 1884
                                                                                                           Genus # Modulus - Gray, 1842
                                                                                   Family # Pachychilidae - P. Fischer and Crosse, 1892
                                                                                   Family # Paludomidae - Stoliczka, 1868
                                                                                   Family # Pelycidiidae - Ponder and Hall, 1983
                                                                                                           Genus # Pelycidion - Fischer, 1873
                                                                                   Family # Pickworthiidae - Iredale, 1917
                                                                                                           Genus # Sansonia - Jousseaume, 1892
                                                                                   Family # Planaxidae - Gray, 1850
                                                                                                           Genus # Fossarus - Philippi, 1841
                                                                                                           Genus # Hinea - Gray, 1847
                                                                                                           Genus # Planaxis - Lamarck, 1822
                                                                                                           Genus # Supplanaxis - Thiele, 1929
                                                                                   Family # Pleuroceridae - P. Fischer, 1885
                                                                                                           Genus # Athearnia - Morrison, 1971
                                                                                                           Genus # Elimia - H. Adams and A. Adams, 1854
                                                                                                           Genus # Gyrotoma - Shuttleworth, 1845
                                                                                                           Genus # Io - Lea, 1831
                                                                                                           Genus # Leptoxis - Rafinesque, 1819
                                                                                                           Genus # Lithasia - Haldeman, 1840
                                                                                                           Genus # Pleurocera - Rafinesque, 1818
                                                                                   Family # Potamididae - H. Adams and A. Adams, 1854
                                                                                                           Genus # Cerithidea - Swainson, 1840
                                                                                   Family # Scaliolidae - Jousseaume, 1912
                                                                                                           Genus # Finella - A. Adams, 1860
                                                                                                           Genus # Scaliola - A. Adams, 1860
                                                                                   Family # Semisulcospiridae - Morrison, 1952
                                                                                                           Genus # Juga - H. Adams and A. Adams, 1854
                                                                                   Family # Siliquariidae - Anton, 1838
                                                                                                           Genus # Siliquaria - Bruguiere, 1789
                                                                                                           Genus # Tenagodus - Guettard, 1770
                                                                                   Family # Thiaridae - Gill, 1871
                                                                                                           Genus # Melanoides - Olivier, 1804
                                                                                                           Genus # Tarebia - H. Adams and A. Adams, 1854
                                                                                                           Genus # Thiara - Roeding, 1798
                                                                                   Family # Turritellidae - Lovén, 1847
                                                                                                           Genus # Tachyrhynchus - Morch, 1868
                                                                                                           Genus # Turritella - Lamarck, 1799
                                                                                                           Genus # Vermicularia - Lamarck, 1799
                                                           Order # Cyclophorida -  
                                                                             Superfamily # Cyclophoroidea - Gray, 1847
                                                                                   Family # Aciculidae - Gray, 1850
                                                                                   Family # Craspedopomatidae - Kobelt and Möllendorff, 1898
                                                                                                           Genus # Craspedopoma - Pfeiffer, 1847
                                                                                   Family # Cyclophoridae - Gray, 1847
                                                                                         Subfamily # Alycaeinae - Gray, 1850
                                                                                                           Genus # Alycaeus - Gray, 1850
                                                                                                           Genus # Chamalycaeus - Kobelt and Moellendroff, 1897
                                                                                                           Genus # Cycloryx - Goodwin-austen, 1914
                                                                                                           Genus # Dioryx - Benson, 1859
                                                                                         Subfamily # Cyclophorinae -  
                                                                                                           Genus # Afroditropus - Bequaert and Clench, 1936
                                                                                                           Genus # Aulopoma - Troschel, 1847
                                                                                                           Genus # Chondrocyclus - Ancey, 1898
                                                                                                           Genus # Craspedotropis - Blanford, 1864
                                                                                                           Genus # Crossopoma - Von Martens, 1891
                                                                                                           Genus # Cyathopoma - Blanford, 1861
                                                                                                           Genus # Cyclophorus - Montfort, 1810
                                                                                                           Genus # Cyclosurus - Morelet, 1881
                                                                                                           Genus # Cyclotus - Swainson, 1840
                                                                                                           Genus # Ditropis - Blanford, 1869
                                                                                                           Genus # Elgonocyclus - Verdcourt, 1982
                                                                                                           Genus # Japonia - Gould, 1859
                                                                                                           Genus # Laotia - Saurin, 1953
                                                                                                           Genus # Leptopoma - Pfeiffer, 1847
                                                                                                           Genus # Mareleptopoma - Moolenbeek and Faber, 1984
                                                                                                           Genus # Micraulax - Theobald, 1876
                                                                                                           Genus # Mychopoma - Blanford, 1869
                                                                                                           Genus # Myxostoma - Troschel, 1847
                                                                                                           Genus # Pinteria - Varga, 1972
                                                                                                           Genus # Ptychopoma - Moellendorff, 1885
                                                                                                           Genus # Scabrina - Blanford, 1863
                                                                                                           Genus # Theobaldius - G. Nevill, 1878
                                                                                                           Genus # Toffelettia - Giusti, 1971
                                                                                         Subfamily # Pterocyclinae -  
                                                                                                           Genus # Pearsonia - Kobelt, 1902
                                                                                                           Genus # Platyrhaphe - Moellendorff, 1890
                                                                                                           Genus # Pterocyclus - Benson, 1832
                                                                                                           Genus # Rhiostoma - Benson, 1860
                                                                                         Subfamily # Spirostomatinae -  
                                                                                                           Genus # Spirostoma - Heude, 1885
                                                                                   Family # Diplommatinidae - L. Pfeiffer, 1857
                                                                                         Subfamily # Diplommatininae - L. Pfeiffer, 1857
                                                                                                           Genus # Adelopoma - Doering, 1884
                                                                                                           Genus # Anostomella - Von Martens, 1867
                                                                                                           Genus # Arinia - H. and A. Adams, 1856
                                                                                                           Genus # Clostophis - Benson, 1860
                                                                                                           Genus # Diancta - Von Martens, 1867
                                                                                                           Genus # Diplommatina - Benson, 1849
                                                                                                           Genus # Gastroptychia - Kobelt and Moellendorff, 1900
                                                                                                           Genus # Helicomorpha - Moellendroff, 1890
                                                                                                           Genus # Hungerfordia - Beddome, 1889
                                                                                                           Genus # Opisthostoma - W. and H. Blanford, 1860
                                                                                                           Genus # Palaina - Semper, 1865
                                                                                                           Genus # Pseudopalaina - Moekkendroff, 1898
                                                                                                           Genus # Velepalaina - Iredale, 1937
                                                                                         Subfamily # Pollicariinae -  
                                                                                                           Genus # Pollicaria - Gould, 1856
                                                                                   Family # Maizaniidae - Tielecke, 1940
                                                                                                           Genus # Maizania - Bourguignat, 1889
                                                                                                           Genus # Maizaniella - Bequaert and Clench, 1836
                                                                                                           Genus # Neomaizania - Van Bruggen, 1985
                                                                                                           Genus # Thomeomaizania - Bequeart and Clench, 1936
                                                                                   Family # Megalomastomatidae - Blanford, 1864
                                                                                                           Genus # Acroptycha - Crosse and Fischer, 1877
                                                                                                           Genus # Aperostoma - Troschel, 1847
                                                                                                           Genus # Cyclojamaicia - Bartsch, 1942
                                                                                                           Genus # Cyclopilsbrya - Bartsch, 1942
                                                                                                           Genus # Cyclovendreysia - Bartsch, 1942
                                                                                                           Genus # Farcimen - Troschel, 1847
                                                                                                           Genus # Farcimoides - Bartsch, 1942
                                                                                                           Genus # Hainesia - Pfeiffer, 1856
                                                                                                           Genus # Liracyclotus - Bartsch, 1942
                                                                                                           Genus # Megalomastoma - Swainson, 1840
                                                                                                           Genus # Tomocyclus - Crosse and Fischer, 1872
                                                                                         Subfamily # Cochlostomatinae - Kobelt, 1902
                                                                                                           Genus # Cochlostoma - Jan, 1830
                                                                                   Family # Neocyclotidae - Kobelt and Möllendorff, 1897
                                                                                                           Genus # Amphicyclotus - Crosse and Fischer, 1879
                                                                                                           Genus # Buckleyia - Higgins, 1872
                                                                                                           Genus # Calaperostoma - Pilsbry, 1935
                                                                                                           Genus # Crocidopoma - Shuttleworth, 1857
                                                                                                           Genus # Cyrtotoma - Moerch, 1852
                                                                                                           Genus # Gassiesia - Clench, 1949
                                                                                                           Genus # Gonatoraphe - Moellendorff, 1898
                                                                                                           Genus # Mexcyclotus - Bartsch, 1942
                                                                                                           Genus # Neocyclotus - Fischer and Crosse, 1886
                                                                                                           Genus # Ostodes - Gould, 1862
                                                                                                           Genus # Poteria - Gray, 1850
                                                                                   Family # Pupinidae - L. Pfeiffer, 1853
                                                                                                           Genus # Cytora - Kobelt and Moellendorff, 1897
                                                                                                           Genus # Liaria - Gray, 1852
                                                                                         Subfamily # Pupinellinae -  
                                                                                                           Genus # Bellardiella - Tapparone-canefri, 1883
                                                                                                           Genus # Nodopomatias - Gude, 1921
                                                                                                           Genus # Pseudopomatias - Moellendorff, 1885
                                                                                                           Genus # Pupinella - Gray, 1850
                                                                                                           Genus # Raphaulus - Pfeiffer, 1856
                                                                                                           Genus # Schistoloma - Kobelt, 1902
                                                                                                           Genus # Streptaulus - Benson, 1857
                                                                                                           Genus # Tortulosa - Gray, 1847
                                                                                         Subfamily # Pupininae -  
                                                                                                           Genus # Callianella - R. B. Newton, 1891
                                                                                                           Genus # Hargravesia - H. Adams, 1870
                                                                                                           Genus # Hedleya - Cox, 1892
                                                                                                           Genus # Moulinsia - Grateloup, 1840
                                                                                                           Genus # Porocallia - Moellendorff, 1893
                                                                                                           Genus # Pupina - Vignard, 1829
                                                           Order # Littorinida -  
                                                                             Superfamily # Abyssochrysoidea - Tomlin, 1927
                                                                                   Family # Abyssochrysidae - Tomlin, 1927
                                                                                   Family # Provannidae - Warén and Ponder, 1991
                                                                             Superfamily # Cingulopsoidea - Fretter and Patil, 1958
                                                                                   Family # Cingulopsidae - Fretter and Patil, 1958
                                                                                                           Genus # Cingulopsis - Fretter and Patil, 1958
                                                                                   Family # Eatoniellidae - Ponder, 1965
                                                                                   Family # Rastodentidae - Ponder, 1966
                                                                             Superfamily # Hipponicoidea - Troschel, 1861
                                                                                   Family # Hipponicidae - Troschel, 1861
                                                                                                           Genus # Antisabia - Iredale, 1937
                                                                                                           Genus # Hipponix - DeFrance, 1819
                                                                                                           Genus # Malluvium - Melvill, 1909
                                                                                                           Genus # Sabia - Reeve, 1842
                                                                             Superfamily # Vermetoidea - Rafinesque, 1815
                                                                                   Family # Vermetidae - Rafinesque, 1815
                                                                                                           Genus # Dendropoma - Morch, 1861
                                                                                                           Genus # Petaloconchus - I. Lea, 1843
                                                                                                           Genus # Serpulorbis - Sasso, 1827
                                                                                                           Genus # Spiroglyptus - Daudin, 1800
                                                                                                           Genus # Vermetus -  
                                                                 Suborder # Epitoniina -  
                                                                             Superfamily # Epitonioidea - Berry, 1910
                                                                                   Family # Epitoniidae - Berry, 1910
                                                                                                           Genus # Acirsa - Morch, 1857
                                                                                                           Genus # Alexania - Strand, 1928
                                                                                                           Genus # Amaea - H. Adams and A. Adams, 1854
                                                                                                           Genus # Asperiscala - de Boury, 1909
                                                                                                           Genus # Boreoscala -  
                                                                                                           Genus # Cirsotrema - Morch, 1852
                                                                                                           Genus # Couthouyella - Bartsch, 1909
                                                                                                           Genus # Depressiscala - de Boury, 1909
                                                                                                           Genus # Epitonium - Roding, 1798
                                                                                                           Genus # Iphitus - Jeffreys, 1883
                                                                                                           Genus # Janthina - Röding, 1798
                                                                                                           Genus # Nitidiscala - de Boury, 1909
                                                                                                           Genus # Nodiscala - de Boury, 1889
                                                                                                           Genus # Nystiella - Clench and Turner, 1952
                                                                                                           Genus # Opalia - H. Adams and A. Adams, 1853
                                                                                                           Genus # Opaliopsis - Thiele, 1928
                                                                                                           Genus # Recluzia - Petit de la Saussaye, 1853
                                                                                                           Genus # Sthenorytis - Conrad, 1862
                                                                 Suborder # Littorinina -  
                                                                             Superfamily # Littorinoidea - Children, 1834
                                                                                   Family # Annulariidae - Henderson and Bartsch, 1920
                                                                                                           Genus # Chondropoma - L. Pfeiffer, 1847
                                                                                   Family # Littorinidae - Children, 1834
                                                                                                           Genus # Algamorda - Dall, 1918
                                                                                                           Genus # Aquilonaria - Dall, 1886
                                                                                                           Genus # Cenchritis - von Martens, 1900
                                                                                                           Genus # Echininus - Clench and Abbott, 1942
                                                                                                           Genus # Haloconcha - Dall, 1886
                                                                                                           Genus # Lacuna - Turton, 1827
                                                                                                           Genus # Littoraria - Griffith and Pidgeon, 1834
                                                                                                           Genus # Littorina - Ferussac, 1822
                                                                                                           Genus # Nodilittorina - von Martens, 1897
                                                                                                           Genus # Tectarius - Valenciennes, 1833
                                                                                                           Genus # Tectininus - Clench and Abbott, 1942
                                                                                   Family # Pomatiidae - Newton, 1891
                                                                                   Family # Skeneopsidae - Iredale, 1915
                                                                                                           Genus # Skeneopsis - Iredale, 1915
                                                                                   Family # Zerotulidae - Warén and Hain, 1996
                                                                             Superfamily # Pterotracheoidea - Rafinesque, 1814
                                                                                   Family # Atlantidae - Rang, 1829
                                                                                                           Genus # Atlanta - Lesueur, 1817
                                                                                                           Genus # Oxygyrus - Benson, 1835
                                                                                                           Genus # Protatlanta - Tesch, 1908
                                                                                   Family # Carinariidae - Blainville, 1818
                                                                                                           Genus # Cardiapoda - D'Orbigny, 1835
                                                                                                           Genus # Carinaria - Lamarck, 1801
                                                                                   Family # Pterotracheidae - Rafinesque, 1814
                                                                                                           Genus # Firoloida - Lesueur, 1817
                                                                                                           Genus # Pterotrachea - Forskal, 1775
                                                                 Suborder # Naticina -  
                                                                             Superfamily # Naticoidea - Guilding, 1834
                                                                                   Family # Naticidae - Guilding, 1834
                                                                                                           Genus # Amauropsis - Mörch, 1857
                                                                                                           Genus # Bulbus - Brown, 1839
                                                                                                           Genus # Calinaticina - J. Q. Burch and Campbell, 1963
                                                                                                           Genus # Choristes - Carpenter in Dawson, 1872
                                                                                                           Genus # Cryptonatica - Dall, 1892
                                                                                                           Genus # Euspira - Agassiz in Sowerby, 1838
                                                                                                           Genus # Gyrodes - Conrad, 1860
                                                                                                           Genus # Haliotinella - Souverbie, 1875
                                                                                                           Genus # Lunatia - Gray, 1847
                                                                                                           Genus # Natica - Scoploi, 1777
                                                                                                           Genus # Naticarius - Duméril, 1806
                                                                                                           Genus # Neverita - Risso, 1826
                                                                                                           Genus # Polinices - Montfort, 1810
                                                                                                           Genus # Sigatica - Meyer and Aldrich, 1886
                                                                                                           Genus # Sinum - Röding, 1798
                                                                                                           Genus # Stigmaulax - Mörch, 1852
                                                                                                           Genus # Tectonatica - Sacco, 1890
                                                                 Suborder # Rissoidina -  
                                                                             Superfamily # Eulimoidea - Philippi, 1853
                                                                                   Family # Aclididae - G. O. Sars, 1878
                                                                                                           Genus # Aclis - Loven, 1846
                                                                                                           Genus # Bermudaclis -  
                                                                                                           Genus # Graphis - Jeffreys, 1867
                                                                                   Family # Eulimidae - Philippi, 1853
                                                                                                           Genus # Asterophila - Randall and Heath, 1912
                                                                                                           Genus # Balcis - Leach, 1847
                                                                                                           Genus # Clathrus -  
                                                                                                           Genus # Cythnia - Carpenter, 1864
                                                                                                           Genus # Enteroxenos - Bonnevie, 1902
                                                                                                           Genus # Entocolax - Voigt, 1888
                                                                                                           Genus # Entoconcha - J. Muller, 1852
                                                                                                           Genus # Ersilia - di Monterosato, 1872
                                                                                                           Genus # Eulima - Risso, 1826
                                                                                                           Genus # Eulimostraca - Bartsch, 1917
                                                                                                           Genus # Haliella -  
                                                                                                           Genus # Hypermastus - Pilsbry, 1899
                                                                                                           Genus # Melanella - Bowdich, 1822
                                                                                                           Genus # Microeulima - Waren, 1992
                                                                                                           Genus # Mucronalia - A. Adams, 1860
                                                                                                           Genus # Nanobalcis - Waren and Mifsud, 1990
                                                                                                           Genus # Niso - Risso, 1826
                                                                                                           Genus # Oceanida - de Folin, 1870
                                                                                                           Genus # Pelseneeria - Koehler and Vaney, 1908
                                                                                                           Genus # Polygireulima - Sacco, 1892
                                                                                                           Genus # Pseudosabinella - McLean, 1995
                                                                                                           Genus # Sabinella - di Monterosato, 1890
                                                                                                           Genus # Scalenostoma -  
                                                                                                           Genus # Stilifer - Broderip, 1832
                                                                                                           Genus # Strombiformis - Da Costa, 1778
                                                                                                           Genus # Thaleia - Waren, 1979
                                                                                                           Genus # Thyonicola - Mandahl-Barth, 1941
                                                                                                           Genus # Umbilibalcis - Bouchet and Waren, 1986
                                                                                                           Genus # Vitreolina - di Monterosato, 1884
                                                                             Superfamily # Rissooidea - Gray, 1847
                                                                                   Family # Barleeiidae - Gray, 1857
                                                                                                           Genus # Amphithalamus - Carpenter, 1864
                                                                                                           Genus # Barleeia - Clark, 1853
                                                                                                           Genus # Caelatura - Conrad, 1853
                                                                                                           Genus # Lirobarleeia - Ponder, 1983
                                                                                                           Genus # Pseudodiala - Ponder, 1967
                                                                                   Family # Emblandidae - Ponder, 1985
                                                                                   Family # Lironobidae - Ponder, 1967
                                                                                   Family # Rissoidae - Gray, 1847
                                                                                                           Genus # Alvania - Risso, 1826
                                                                                                           Genus # Benthonella - Dall, 1889
                                                                                                           Genus # Benthonellania - Dall, 1889
                                                                                                           Genus # Boreocingula - Golikov and Kussakin, 1974
                                                                                                           Genus # Cingula - Fleming, 1828
                                                                                                           Genus # Crepitacella - Guppy, 1867
                                                                                                           Genus # Floridiscrobs - Pilsbry and McGinty, 1949
                                                                                                           Genus # Frigidoalvania - Waren, 1974
                                                                                                           Genus # Isselia -  
                                                                                                           Genus # Manzonia - Brusina, 1870
                                                                                                           Genus # Merelina -  
                                                                                                           Genus # Microstelma - A. Adams, 1863
                                                                                                           Genus # Nannoteretispira - Habe, 1961
                                                                                                           Genus # Onoba - H. Adams and A. Adams, 1852
                                                                                                           Genus # Parashiela -  
                                                                                                           Genus # Powellsetia -  
                                                                                                           Genus # Pusillina -  
                                                                                                           Genus # Rissoa - Freminville, 1814
                                                                                                           Genus # Schwartziella - Ponder, 1985
                                                                                                           Genus # Setia - H. and A. Adams, 1852
                                                                                                           Genus # Vitricithra -  
                                                                                   Family # Rissoinidae - Stimpson, 1865
                                                                                                           Genus # Folinia - Crosse, 1868
                                                                                                           Genus # Rissoina - d'Orbigny, 1841
                                                                                   Family # Zebinidae - Coan, 1964
                                                                                                           Genus # Stosicia - Brusina, 1871
                                                                                                           Genus # Zebina - H. Adams and A. Adams, 1854
                                                                             Superfamily # Truncatelloidea - Gray, 1840
                                                                                   Family # Amnicolidae - Tryon, 1863
                                                                                                           Genus # Amnicola - Gould and Haldeman, 1840
                                                                                                           Genus # Colligyrus - Hershler, 1999
                                                                                                           Genus # Dasyscias - F. G. Thompson and Hershler, 1991
                                                                                                           Genus # Lyogyrus - Gill, 1863
                                                                                   Family # Anabathridae - Keen, 1971
                                                                                                           Genus # Anabathron - Frauenfeld, 1867
                                                                                   Family # Assimineidae - H. Adams and A. Adams, 1856
                                                                                                           Genus # Assiminea - Fleming, 1828
                                                                                                           Genus # Syncera - Gray, 1821
                                                                                   Family # Bithyniidae - Gray, 1857
                                                                                                           Genus # Bithynia - Leach, 1818
                                                                                   Family # Bythinellidae - Locard, 1893
                                                                                                           Genus # Bythinella - Moquin-Tandon, 1856
                                                                                   Family # Caecidae - Gray, 1850
                                                                                                           Genus # Caecum - Fleming, 1813
                                                                                                           Genus # Fartulum - Carpenter, 1857
                                                                                                           Genus # Micranellum -  
                                                                                   Family # Calopiidae - Ponder, 1999
                                                                                   Family # Clenchiellidae - D. W. Taylor, 1966
                                                                                   Family # Cochliopidae - Tryon, 1866
                                                                                                           Genus # Antrobia - Hubricht, 1971
                                                                                                           Genus # Antroselates - Hubricht, 1963
                                                                                                           Genus # Aphaostracon - F. G. Thompson, 1968
                                                                                                           Genus # Balconorbis - Hershler and Longley, 1986
                                                                                                           Genus # Cochliopa - Stimpson, 1865
                                                                                                           Genus # Cochliopina - Morrison, 1946
                                                                                                           Genus # Eremopyrgus - Hershler, 1999
                                                                                                           Genus # Heleobia - Stimpson, 1865
                                                                                                           Genus # Heleobops - F. G. Thompson, 1968
                                                                                                           Genus # Ipnobius - Hershler, 2001
                                                                                                           Genus # Juturnia - Hershler, Liu and Stockwell, 2002
                                                                                                           Genus # Littoridina - Eydoux and Souleyet, 1852
                                                                                                           Genus # Littoridinops - Pilsbry, 1952
                                                                                                           Genus # Onobops - F. G. Thompson, 1969
                                                                                                           Genus # Pseudotryonia - Hershler, 2001
                                                                                                           Genus # Pyrgophorus - Ancey, 1888
                                                                                                           Genus # Spurwinkia - Davis, Mazurkiewicz and Mandracchia, 1982
                                                                                                           Genus # Stygopyrgus - Hershler and Longley, 1986
                                                                                                           Genus # Texadina - Abbott and Ladd, 1951
                                                                                                           Genus # Tryonia - Stimpson, 1865
                                                                                   Family # Elachisinidae - Ponder, 1985
                                                                                                           Genus # Elachisina - Dall, 1918
                                                                                   Family # Emmericiidae - Brusina, 1870
                                                                                   Family # Epigridae - Ponder, 1985
                                                                                   Family # Falsicingulidae - Slavoshevskaya, 1975
                                                                                                           Genus # Falsicingula - Habe, 1958
                                                                                   Family # Helicostoidae - Pruvot-Fol, 1937
                                                                                   Family # Hydrobiidae - Stimpson, 1865
                                                                                                           Genus # Birgella - F. C. Baker, 1926
                                                                                                           Genus # Cincinnatia - Pilsbry, 1891
                                                                                                           Genus # Ecrobia - Stimpson, 1865
                                                                                                           Genus # Floridobia - F. G. Thompson and Hershler, 2002
                                                                                                           Genus # Fontigens - Pilsbry, 1933
                                                                                                           Genus # Hoyia - F. C. Baker, 1926
                                                                                                           Genus # Hydrobia - Hartmann, 1821
                                                                                                           Genus # Marstonia - Baker, 1926
                                                                                                           Genus # Notogillia - Pilsbry, 1953
                                                                                                           Genus # Paludestrina - d'Orbigny, 1840
                                                                                                           Genus # Peringia - Paladilhe, 1874
                                                                                                           Genus # Probythinella - Thiele, 1928
                                                                                                           Genus # Pyrgulopsis - Call and Pilsbry, 1886
                                                                                                           Genus # Rhapinema - F. G. Thompson, 1969
                                                                                                           Genus # Spilochlamys - F. G. Thompson, 1968
                                                                                                           Genus # Stiobia - F. G. Thompson and McCaleb, 1978
                                                                                                           Genus # Texapyrgus - F. G. Thompson and Hershler, 1991
                                                                                   Family # Hydrococcidae - Thiele, 1928
                                                                                   Family # Iravadiidae - Thiele, 1928
                                                                                   Family # Lithoglyphidae - Tryon, 1866
                                                                                                           Genus # Antrorbis - Hershler and F. G. Thompson, 1990
                                                                                                           Genus # Clappia - Walker, 1909
                                                                                                           Genus # Fluminicola - Stimpson, 1865
                                                                                                           Genus # Gillia - Stimpson, 1865
                                                                                                           Genus # Holsingeria - Hershler, 1989
                                                                                                           Genus # Lepyrium - Pilsbry and Olsson, 1951
                                                                                                           Genus # Lithoglyphus - Pfeiffer, 1828
                                                                                                           Genus # Phreatoceras - Hershler and Longley, 1987
                                                                                                           Genus # Phreatodrobia - Hershler and Longley, 1986
                                                                                                           Genus # Pristinicola - Hershler, Frest, Johannes, Bowler and F. G. Thompson, 1994
                                                                                                           Genus # Somatogyrus - Gill, 1863
                                                                                                           Genus # Taylorconcha - Hershler, Frest, Johannes, Bowler and F. G. Thompson, 1994
                                                                                   Family # Moitessieriidae - Bourguignat, 1863
                                                                                   Family # Pomatiopsidae - Stimpson, 1865
                                                                                                           Genus # Cecina - A. Adams, 1861
                                                                                                           Genus # Pomatiopsis - Tryon, 1862
                                                                                   Family # Stenothyridae - Tryon, 1866
                                                                                   Family # Tateidae - Thiele, 1925
                                                                                                           Genus # Potamopyrgus - Stimpson, 1865
                                                                                   Family # Tornidae - Sacco, 1896
                                                                                                           Genus # Anticlimax - Pilsbry and McGinty, 1946
                                                                                                           Genus # Aorotrema - Schwengel and McGinty, 1942
                                                                                                           Genus # Circulus - Jeffreys, 1865
                                                                                                           Genus # Cochliolepis - Stimpson, 1858
                                                                                                           Genus # Cyclostremiscus - Pilsbry and Olsson, 1945
                                                                                                           Genus # Elachorbis - Iredale, 1915
                                                                                                           Genus # Epicynia - Morch, 1875
                                                                                                           Genus # Episcynia - Morch, 1875
                                                                                                           Genus # Macromphalina - Cossman, 1888
                                                                                                           Genus # Pachystremiscus - Olsson and McGinty, 1942
                                                                                                           Genus # Parviturboides - Pilsbry and McGinty, 1950
                                                                                                           Genus # Pleuromalaxis - Pilsbry and McGinty, 1945
                                                                                                           Genus # Scissilabra - Bartsch, 1907
                                                                                                           Genus # Solariorbis - Conrad, 1865
                                                                                                           Genus # Teinostoma - H. Adams and A. Adams, 1853
                                                                                                           Genus # Tornus - Turton and Kingston, 1830
                                                                                                           Genus # Vitrinella - C. B. Adams, 1850
                                                                                                           Genus # Vitrinorbis - Pilsbry and Olsson, 1952
                                                                                   Family # Truncatellidae - Gray, 1840
                                                                                                           Genus # Truncatella - Risso, 1826
                                                                             Superfamily # Vanikoroidea - Gray, 1840
                                                                                   Family # Vanikoridae - Gray, 1840
                                                                                                           Genus # Megalomphalus - Brusina, 1871
                                                                                                           Genus # Vanikoro - Quoy and Gaimard, 1832
                                                                 Suborder # Triphorina -  
                                                                             Superfamily # Triphoroidea - Gray, 1847
                                                                                   Family # Cerithiopsidae - H. Adams and A. Adams, 1853
                                                                                                           Genus # Cerithiopsida - Bartsch, 1911
                                                                                                           Genus # Cerithiopsidella - Bartsch, 1911
                                                                                                           Genus # Cerithiopsina - Bartsch, 1911
                                                                                                           Genus # Cerithiopsis - Forbes and Hanley, 1851
                                                                                                           Genus # Eumetula - Thiele, 1912
                                                                                                           Genus # Horologica - Laseron, 1956
                                                                                                           Genus # Retilaskeya - Marshall, 1978
                                                                                                           Genus # Seila - A. Adams, 1861
                                                                                   Family # Newtoniellidae - Korobkov, 1955
                                                                                   Family # Triphoridae - Gray, 1847
                                                                                                           Genus # Cosmotriphora - Olsson and Harbison, 1953
                                                                                                           Genus # Iniforis - Jousseaume, 1884
                                                                                                           Genus # Marshallora - Bouchet, 1985
                                                                                                           Genus # Metaxia - di Monterosato, 1884
                                                                                                           Genus # Similiphora - Bouchet, 1985
                                                                                                           Genus # Triphora - de Blainville, 1828
                                                           Order # Viviparida -  
                                                                             Superfamily # Viviparoidea - Gray, 1847
                                                                                   Family # Pliopholygidae - D. W. Taylor, 1966
                                                                                   Family # Viviparidae - Gray, 1847
                                                                                         Subfamily # Bellamyinae - Rohrbach, 1937
                                                                                                           Genus # Anulotaia - Brandt, 1968
                                                                                                           Genus # Cipangopaludina - Hannibal, 1912
                                                                                                           Genus # Filopaludina - Habe, 1964
                                                                                                           Genus # Idiopoma - Pilsbry, 1901
                                                                                                           Genus # Margarya - Neville, 1877
                                                                                                           Genus # Mekongia - Crosse and Fischer, 1876
                                                                                                           Genus # Neothauma - E. Smith, 1880
                                                                                                           Genus # Sinotaia - Haas, 1939
                                                                                                           Genus # Taia - Annandale, 1918
                                                                                                           Genus # Trochotaia - Brandt, 1974
                                                                                         Subfamily # Lioplacinae - Gill, 1863
                                                                                                           Genus # Campeloma - Rafinesque, 1819
                                                                                                           Genus # Lioplax - Troschel, 1857
                                                                                         Subfamily # Viviparinae - Gray, 1847
                                                                                                           Genus # Rivularia - Huede, 1890
                                                                                                           Genus # Tulotoma - Haldeman, 1840
                                                                                                           Genus # Viviparus - Montfort, 1810
                                                     Superorder # Latrogastropoda -  
                                                           Order # Calyptraeida -  
                                                                 Suborder # Calyptraeina -  
                                                                             Superfamily # Calyptraeoidea - Lamarck, 1809
                                                                                   Family # Calyptraeidae - Lamarck, 1809
                                                                                                           Genus # Calyptraea - Lamarck, 1799
                                                                                                           Genus # Cheilea - Modeer, 1793
                                                                                                           Genus # Crepidula - Lamarck, 1799
                                                                                                           Genus # Crepipatella - Lesson, 1831
                                                                                                           Genus # Crucibulum - Schumacher, 1817
                                                                             Superfamily # Capuloidea - Fleming, 1822
                                                                                   Family # Capulidae - Fleming, 1822
                                                                                                           Genus # Capulus - Montfort, 1810
                                                                                                           Genus # Torellia - Lovén in Jeffreys, 1867
                                                                                                           Genus # Trichotropis - Broderip and G. B. Sowerby I, 1829
                                                                                   Family # Haloceratidae - Warén and Bouchet, 1991
                                                                                                           Genus # Haloceras - Dall, 1889
                                                           Order # Cypraeida -  
                                                                             Superfamily # Cypraeoidea - Rafinesque, 1815
                                                                                   Family # Cypraeidae - Rafinesque, 1815
                                                                                                           Genus # Cypraea - Linnaeus, 1758
                                                                                                           Genus # Erosaria - Troschel, 1863
                                                                                                           Genus # Macrocypraea - Schilder, 1930
                                                                                                           Genus # Propustularia - Schilder, 1927
                                                                                                           Genus # Talparia - Troschel, 1863
                                                                                                           Genus # Zonaria - Jousseaume, 1884
                                                                                   Family # Ovulidae - Fleming, 1822
                                                                                                           Genus # Aperiovula - Cate, 1973
                                                                                                           Genus # Cymbovula - Cate, 1974
                                                                                                           Genus # Cyphoma - Roding, 1798
                                                                                                           Genus # Delonovolva -  
                                                                                                           Genus # Neosimnia - P. Fischer, 1884
                                                                                                           Genus # Pedicularia - Swainson, 1840
                                                                                                           Genus # Phenacovolva - Iredale, 1930
                                                                                                           Genus # Primovula - Thiele, 1925
                                                                                                           Genus # Pseudocyphoma - Cate, 1973
                                                                                                           Genus # Pseudosimnia - Schilder, 1927
                                                                                                           Genus # Simnia - Risso, 1826
                                                                                                           Genus # Simnialena - Cate, 1973
                                                                                                           Genus # Spiculata -  
                                                                                                           Genus # Subsimnia -  
                                                                                                           Genus # Volva - Linnaeus, 1758
                                                                                   Family # Pediculariidae Gray, 1853 - Rafinesque, 1815
                                                                             Superfamily # Velutinoidea - Gray, 1840
                                                                                   Family # Eratoidae - Gill, 1871
                                                                                                           Genus # Erato - Risso, 1826
                                                                                   Family # Triviidae - Trochel, 1863
                                                                                                           Genus # Decoriatrivia - Cate, 1979
                                                                                                           Genus # Hespererato - Schilder, 1932
                                                                                                           Genus # Niveria - Jousseaume, 1884
                                                                                                           Genus # Proterato - Schilder, 1927
                                                                                                           Genus # Pusula - Jousseaume, 1884
                                                                                                           Genus # Trivia - Broderip, 1837
                                                                                   Family # Velutinidae - Gray, 1840
                                                                                                           Genus # Calyptoconcha - Bouchet and Warén, 1993
                                                                                                           Genus # Capulacmaea - M. Sars, 1859
                                                                                                           Genus # Lamellaria - Montagu, 1815
                                                                                                           Genus # Marsenina - Gray, 1850
                                                                                                           Genus # Marseniopsis - Bergh, 1886
                                                                                                           Genus # Onchidiopsis - Bergh, 1853
                                                                                                           Genus # Piliscus - Loven, 1859
                                                                                                           Genus # Velutina - Fleming, 1820
                                                           Order # Strombida -  
                                                                             Superfamily # Stromboidea - Rafinesque, 1815
                                                                                   Family # Aporrhaidae - Gray, 1850
                                                                                                           Genus # Aporrhais - da Costa, 1778
                                                                                   Family # Rostellariidae - Gabb, 1868
                                                                                   Family # Seraphsidae - Gray, 1853
                                                                                   Family # Strombidae - Rafinesque, 1815
                                                                                                           Genus # Strombus - Linnaeus, 1758
                                                                                   Family # Struthiolariidae - Gabb, 1868
                                                                             Superfamily # Xenophoroidea - Troschel, 1852
                                                                                   Family # Xenophoridae - Troschel, 1852
                                                                                                           Genus # Xenophora - Fischer von Waldheim, 1807
                                                     Superorder # Peogastropoda -  
                                                           Order # Neogastropoda -  
                                                                             Superfamily # Buccinoidea - Rafinesque, 1815
                                                                                   Family # Belomitridae - Kantor, Puillandre, Rivasseau and Bouchet, 2012
                                                                                   Family # Buccinidae - Rafinesque, 1815
                                                                                                           Genus # Ancistrolepis - Dall, 1894
                                                                                                           Genus # Antillophos - Woodring, 1928
                                                                                                           Genus # Bailya - M. Smith, 1944
                                                                                                           Genus # Bartschia - Rehder, 1943
                                                                                                           Genus # Bathybuccinum - Golikov and Sirenko, 1988
                                                                                                           Genus # Beringius - Dall, 1886
                                                                                                           Genus # Buccinum - Linnaeus, 1758
                                                                                                           Genus # Caducifer - Dall, 1904
                                                                                                           Genus # Cantharus - Roding, 1798
                                                                                                           Genus # Chauvetea -  
                                                                                                           Genus # Chauvetia - Monterosato, 1884
                                                                                                           Genus # Clinopegma - Grant and Gale, 1931
                                                                                                           Genus # Colus - Röding, 1798
                                                                                                           Genus # Engina - Gray, 1839
                                                                                                           Genus # Engoniophos - Woodring, 1929
                                                                                                           Genus # Habevolutopsius - Kantor, 1983
                                                                                                           Genus # Japelion - Dall, 1916
                                                                                                           Genus # Kelletia - P. Fischer, 1884
                                                                                                           Genus # Kryptos - Jeffreys, 1896
                                                                                                           Genus # Latiaxis - Swainson, 1840
                                                                                                           Genus # Liomesus - Stimpson, 1865
                                                                                                           Genus # Lirabuccinum - Vermeij, 1991
                                                                                                           Genus # Lussivolutopsius - Kantor, 1983
                                                                                                           Genus # Metula - H. Adams and A. Adams, 1853
                                                                                                           Genus # Mohnia - Friele, 1879
                                                                                                           Genus # Monostiolum - Dall, 1904
                                                                                                           Genus # Morrisonella - Bartsch, 1945
                                                                                                           Genus # Muricantharus - Hertlein and Strong, 1971
                                                                                                           Genus # Nassaria - Link, 1807
                                                                                                           Genus # Neoberingius - Habe and Ito, 1965
                                                                                                           Genus # Neptunea - Röding, 1798
                                                                                                           Genus # Parviphos - Sarasua, 1984
                                                                                                           Genus # Phos - Montfort, 1810
                                                                                                           Genus # Plicifusus - Dall, 1902
                                                                                                           Genus # Pollia - J. E. Gray, 1834
                                                                                                           Genus # Pseudoliomesus - Habe and Sato, 1973
                                                                                                           Genus # Ptychosalpinx - Gill, 1867
                                                                                                           Genus # Pyrulofusus - Mörch, 1857
                                                                                                           Genus # Retifusus - Dall, 1916
                                                                                                           Genus # Retimohnia - McLean, 1995
                                                                                                           Genus # Searlesia - Harmer, 1916
                                                                                                           Genus # Sulcosinus - Dall, 1895
                                                                                                           Genus # Tacita - Lus, 1971
                                                                                                           Genus # Turrisipho - Dautzenberg and Fischer, 1912
                                                                                                           Genus # Volutharpa - P. Fischer, 1856
                                                                                                           Genus # Volutopsion - Habe and Ito, 1965
                                                                                                           Genus # Volutopsius - Morch, 1857
                                                                                   Family # Colubrariidae - Dall, 1904
                                                                                                           Genus # Colubraria - Schumacher, 1817
                                                                                   Family # Columbellidae - Swainson, 1840
                                                                                                           Genus # Aesopus - Gould, 1860
                                                                                                           Genus # Alia - H. Adams and A. Adams, 1853
                                                                                                           Genus # Amphissa - H. Adams and A. Adams, 1853
                                                                                                           Genus # Anachis - H. and A. Adams, 1853
                                                                                                           Genus # Astyris - H. Adams and A. Adams, 1853
                                                                                                           Genus # Columbella - Lamarck, 1799
                                                                                                           Genus # Columbellopsis - Bucquoy, Dautzenberg and Dollfus, 1882
                                                                                                           Genus # Cosmioconcha - Dall, 1913
                                                                                                           Genus # Costoanachis - Sacco, 1890
                                                                                                           Genus # Decipifus - Olsson and McGinty, 1958
                                                                                                           Genus # Mazatlania - Dall, 1913
                                                                                                           Genus # Mitrella - Risso, 1826
                                                                                                           Genus # Nassarina - Dall, 1889
                                                                                                           Genus # Nitidella - Swainson, 1840
                                                                                                           Genus # Parvanachis - Radwin, 1968
                                                                                                           Genus # Rhombinella - Radwin, 1968
                                                                                                           Genus # Seminella -  
                                                                                                           Genus # Steironepion - Pilsbry and Lowe, 1932
                                                                                                           Genus # Suturoglypta - Radwin, 1968
                                                                                                           Genus # Zafrona - Iredale, 1916
                                                                                   Family # Fasciolariidae - Gray, 1853
                                                                                                           Genus # Dolicholatirus - Bellardi, 1884
                                                                                                           Genus # Fasciolaria - Lamarck, 1799
                                                                                                           Genus # Fusinus - Rafinesque, 1815
                                                                                                           Genus # Heilprinia - Grabau, 1904
                                                                                                           Genus # Latirus - Montfort, 1810
                                                                                                           Genus # Leucozonia - Gray, 1847
                                                                                                           Genus # Pleuroploca - P. Fischer, 1884
                                                                                                           Genus # Teralatirus - Coomans, 1965
                                                                                   Family # Melongenidae - Gill, 1871
                                                                                                           Genus # Busycon - Röding, 1798
                                                                                                           Genus # Busycotypus - Wenz, 1943
                                                                                                           Genus # Melongena - Schumacher, 1817
                                                                                   Family # Nassariidae - Iredale, 1916
                                                                                                           Genus # Nassarius - Dumeril, 1806
                                                                                   Family # Pisaniidae - Gray, 1857
                                                                                                           Genus # Pisania - Bivona-Bernardi, 1832
                                                                             Superfamily # Cancellarioidea - Forbes and Hanley, 1851
                                                                                   Family # Cancellariidae - Forbes and Hanley, 1851
                                                                                                           Genus # Admete - Moller, 1842
                                                                                                           Genus # Agatrix - R. Petit, 1967
                                                                                                           Genus # Axelella - Petit, 1988
                                                                                                           Genus # Cancellaria - Lamarck, 1799
                                                                                                           Genus # Gerdiella - Olsson and Bayer, 1972
                                                                                                           Genus # Neadmete - Habe, 1961
                                                                                                           Genus # Trigonostoma - de Blainville, 1825
                                                                                                           Genus # Tritonoharpa - Dall, 1908
                                                                             Superfamily # Conoidea - Fleming, 1822
                                                                                   Family # Borsoniidae - Bellardi, 1875
                                                                                   Family # Bouchetispiridae - Kantor, Strong and Puillandre, 2012
                                                                                   Family # Clathurellidae - H. Adams and A. Adams, 1858
                                                                                                           Genus # Clathurella - Carpenter, 1857
                                                                                   Family # Clavatulidae - Gray, 1853
                                                                                   Family # Cochlespiridae - Powell, 1942
                                                                                                           Genus # Cochlespira - Conrad, 1865
                                                                                   Family # Conidae - Fleming, 1822
                                                                                                           Genus # Agathotoma - Cossmann, 1889
                                                                                                           Genus # Bactrocythara - Woodring, 1922
                                                                                                           Genus # Bathytoma - Harris and Burrows, 1891
                                                                                                           Genus # Benthomangelia - Thiele, 1925
                                                                                                           Genus # Borsonella - Dall, 1918
                                                                                                           Genus # Brachycythara - Woodring, 1928
                                                                                                           Genus # Clathromangelia - di Monterosato, 1884
                                                                                                           Genus # Conus - Linnaeus, 1758
                                                                                                           Genus # Crockerella - Hertlein and Strong, 1951
                                                                                                           Genus # Cryoturris - Woodring, 1928
                                                                                                           Genus # Curtitoma - Bartsch, 1941
                                                                                                           Genus # Cymakra - Gardner, 1937
                                                                                                           Genus # Daphnella - Hinds, 1844
                                                                                                           Genus # Drilliola - Locard, 1897
                                                                                                           Genus # Eubela - Dall, 1889
                                                                                                           Genus # Glyphostoma - Gabb, 1872
                                                                                                           Genus # Glyphostomops - Bartsch, 1934
                                                                                                           Genus # Glyphoturris - Woodring, 1928
                                                                                                           Genus # Glyptaesopus - Pilsbry and Olsson, 1941
                                                                                                           Genus # Granotoma - Bartsch, 1941
                                                                                                           Genus # Granoturris - Fargo, 1953
                                                                                                           Genus # Gymnobela - A. E. Verrill, 1884
                                                                                                           Genus # Ithycythara - Woodring, 1928
                                                                                                           Genus # Kurtzia - Bartsch, 1944
                                                                                                           Genus # Kurtziella - Dall, 1918
                                                                                                           Genus # Kurtzina - Bartsch, 1944
                                                                                                           Genus # Mitrolumna - Bucquoy, Dautzenberg and Dollfus, 1883
                                                                                                           Genus # Nannodiella - Dall, 1919
                                                                                                           Genus # Nepotilla - Hedley, 1918
                                                                                                           Genus # Obesotoma - Bartsch, 1941
                                                                                                           Genus # Oenopota - Morch, 1852
                                                                                                           Genus # Ophiodermella - Bartsch, 1944
                                                                                                           Genus # Platycythara - Woodring, 1928
                                                                                                           Genus # Pleurotomella - Verrill, 1872
                                                                                                           Genus # Propebela - Iredale, 1918
                                                                                                           Genus # Pyrgocythara - Woodring, 1928
                                                                                                           Genus # Rimosodaphnella - Schnetler and Beyer, 1990
                                                                                                           Genus # Rubellatoma - Bartsch and Rehder, 1939
                                                                                                           Genus # Saccharoturris - Woodring, 1928
                                                                                                           Genus # Stellatoma - Bartsch and Rehder, 1939
                                                                                                           Genus # Suavodrillia - Dall, 1918
                                                                                                           Genus # Taranis - Jeffreys, 1870
                                                                                                           Genus # Tenaturris - Woodring, 1928
                                                                                                           Genus # Thelecythara - Woodring, 1928
                                                                                                           Genus # Thesbia - Jeffreys, 1867
                                                                                                           Genus # Typhlomangelia - G. O. Sars, 1878
                                                                                                           Genus # Vitricythara - Fargo, 1953
                                                                                   Family # Conorbidae - de Gregorio, 1880
                                                                                   Family # Drilliidae - Olsson, 1964
                                                                                                           Genus # Bellaspira - Conrad, 1868
                                                                                                           Genus # Cerodrillia - Bartsch and Rehder, 1939
                                                                                                           Genus # Cymatosyrinx - Dall, 1889
                                                                                                           Genus # Drillia - Gray, 1838
                                                                                                           Genus # Elaeocyma - Dall, 1918
                                                                                                           Genus # Kylix - Dall, 1919
                                                                                                           Genus # Leptadrillia - Woodring, 1928
                                                                                                           Genus # Lissodrillia - Bartsch and Rehder, 1939
                                                                                                           Genus # Splendrillia - Hedley, 1922
                                                                                                           Genus # Viridrillia - Bartsch, 1943
                                                                                   Family # Fusiturridae - Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias and Puillandre, 2018
                                                                                   Family # Horaiclavidae - Bouchet, Kantor, Sysoev and Puillandre, 2011
                                                                                   Family # Mangeliidae - P. Fischer, 1883
                                                                                                           Genus # Mangelia - Risso, 1826
                                                                                   Family # Marshallenidae - Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias and Puillandre, 2018
                                                                                   Family # Mitromorphidae - Casey, 1904
                                                                                                           Genus # Mitromorpha - Carpenter, 1865
                                                                                   Family # Pseudomelatomidae - Morrison, 1966
                                                                                                           Genus # Pseudomelatoma - Dall, 1918
                                                                                   Family # Raphitomidae - Bellardi, 1875
                                                                                                           Genus # Raphitoma - Bellardi, 1847
                                                                                   Family # Strictispiridae - McLean, 1971
                                                                                                           Genus # Strictispira - McLean, 1971
                                                                                   Family # Terebridae - Mörch, 1852
                                                                                                           Genus # Hastula - H. Adams and A. Adams, 1853
                                                                                                           Genus # Terebra - Bruguiere, 1789
                                                                                   Family # Turridae - H. Adams and A. Adams, 1853
                                                                                                           Genus # Aforia - Dall, 1889
                                                                                                           Genus # Anacithara - Hedley, 1922
                                                                                                           Genus # Antiplanes - Dall, 1902
                                                                                                           Genus # Bathybela - Kobelt, 1905
                                                                                                           Genus # Carinapex -  
                                                                                                           Genus # Carinoturris - Bartsch, 1944
                                                                                                           Genus # Ceritoturris -  
                                                                                                           Genus # Clavus - Montfort, 1810
                                                                                                           Genus # Comarmondia - Monterosato, 1884
                                                                                                           Genus # Compsodrillia - Woodring, 1928
                                                                                                           Genus # Crassispira - Swainson, 1840
                                                                                                           Genus # Eucithara -  
                                                                                                           Genus # Fenimorea -  
                                                                                                           Genus # Gemmula - Weinkauff, 1875
                                                                                                           Genus # Haedropleura - Bucquoy, Dautzen., Dollfus, 1883
                                                                                                           Genus # Hindsiclava - Hertlein and Strong, 1955
                                                                                                           Genus # Inodrillia - Bartsch, 1943
                                                                                                           Genus # Iredalea -  
                                                                                                           Genus # Irenosyrinx - Dall, 1908
                                                                                                           Genus # Kermia -  
                                                                                                           Genus # Leucosyrinx - Dall, 1889
                                                                                                           Genus # Lienardia -  
                                                                                                           Genus # Lora -  
                                                                                                           Genus # Lusitanops - F. Nordsieck, 1968
                                                                                                           Genus # Megasurcula - Casey, 1904
                                                                                                           Genus # Microdrillia - Casey, 1903
                                                                                                           Genus # Miraclathurella - Woodring, 1928
                                                                                                           Genus # Neodrillia - Bartsch, 1943
                                                                                                           Genus # Neopleurotomoides - Shuto, 1925
                                                                                                           Genus # Nodotoma -  
                                                                                                           Genus # Philbertia -  
                                                                                                           Genus # Phymorhynchus - Dall, 1908
                                                                                                           Genus # Pilsbryspira - Bartsch, 1950
                                                                                                           Genus # Polystira - Woodring, 1928
                                                                                                           Genus # Pseudotaranis - McLean, 1995
                                                                                                           Genus # Pyrgospira - McLean, 1971
                                                                                                           Genus # Rhodopetoma - Bartsch, 1944
                                                                                                           Genus # Spirotropis - Sars, 1878
                                                                                                           Genus # Teretia - Norman, 1888
                                                                                                           Genus # Theta - Clark, 1959
                                                                                                           Genus # Veprecula -  
                                                                                                           Genus # Xanthodaphne - Powell, 1942
                                                                                                           Genus # Zonulispira - Bartsch, 1950
                                                                             Superfamily # Mitroidea - Swainson, 1831
                                                                                   Family # Charitodoronidae - Fedosov, Herrmann, Kantor and Bouchet, 2018
                                                                                   Family # Mitridae - Swainson, 1931
                                                                                                           Genus # Mitra - Roding, 1798
                                                                                                           Genus # Subcancilla - Olsson and Harbison, 1953
                                                                                   Family # Pyramimitridae - Cossmann, 1901
                                                                             Superfamily # Muricoidea - Rafinesque, 1815
                                                                                   Family # Muricidae - Rafinesque, 1815
                                                                                                           Genus # Acanthina - Fischer de Waldheim, 1807
                                                                                                           Genus # Acanthotrophon - Hertlein and Strong, 1951
                                                                                                           Genus # Aspella - Morch, 1877
                                                                                                           Genus # Attiliosa - Emerson, 1968
                                                                                                           Genus # Austrotrophon - Dall, 1902
                                                                                                           Genus # Babelomurex - Coen, 1922
                                                                                                           Genus # Boreotrophon - Fischer, 1884
                                                                                                           Genus # Calotrophon - Hertlien and Strong, 1951
                                                                                                           Genus # Ceratostoma - Herrmannsen, 1846
                                                                                                           Genus # Chicomurex - Arakawa, 1964
                                                                                                           Genus # Chicoreus - Montfort, 1810
                                                                                                           Genus # Coralliophila - H. Adams and A. Adams, 1853
                                                                                                           Genus # Dermomurex - di Monterosato, 1890
                                                                                                           Genus # Drupa - Röding, 1798
                                                                                                           Genus # Drupinia - Dall, 1923
                                                                                                           Genus # Eupleura - H. Adams and A. Adams, 1853
                                                                                                           Genus # Favartia - Jousseaume, 1880
                                                                                                           Genus # Forreria - Jousseaume, 1880
                                                                                                           Genus # Haustellum - Schumacher, 1817
                                                                                                           Genus # Hexaplex - Perry, 1811
                                                                                                           Genus # Maxwellia - Bailey, 1950
                                                                                                           Genus # Morula - Schumacher, 1817
                                                                                                           Genus # Murex - Linnaeus, 1758
                                                                                                           Genus # Murexiella - Clench and Perez Farfante, 1945
                                                                                                           Genus # Murexsul - Iredale, 1915
                                                                                                           Genus # Muricopsis - Bucquoy, Dautzenberg and Dollfus, 1882
                                                                                                           Genus # Nipponotrophon -  
                                                                                                           Genus # Nodulotrophon -  
                                                                                                           Genus # Nucella - Roding, 1798
                                                                                                           Genus # Ocenebra - Gray, 1847
                                                                                                           Genus # Ocenotrophon - McLean, 1995
                                                                                                           Genus # Ocinebrina - Jousseaume, 1880
                                                                                                           Genus # Paziella -  
                                                                                                           Genus # Pazionotus -  
                                                                                                           Genus # Plicopurpura - Cossmann, 1903
                                                                                                           Genus # Poirieria - Jousseaume, 1880
                                                                                                           Genus # Pterochelus -  
                                                                                                           Genus # Pteropurpura - Jousseaume, 1880
                                                                                                           Genus # Pterotyphis - Jousseaume, 1881
                                                                                                           Genus # Pterynotus - Swainson, 1833
                                                                                                           Genus # Purpura -  
                                                                                                           Genus # Quoyula - Iredale, 1912
                                                                                                           Genus # Roperia - Dall, 1898
                                                                                                           Genus # Scabrotrophon - McLean, 1996
                                                                                                           Genus # Stramonita - Schumacher, 1817
                                                                                                           Genus # Thais - Roding, 1798
                                                                                                           Genus # Trachypollia - Woodring, 1928
                                                                                                           Genus # Trophon - Montfort, 1810
                                                                                                           Genus # Trophonopsis - Bucquoy, Dautzenberg and Dollfus, 1882
                                                                                                           Genus # Typhinellus - Jousseaume, 1880
                                                                                                           Genus # Typhis - Montfort, 1810
                                                                                                           Genus # Urosalpinx - Stimpson, 1865
                                                                             Superfamily # Olivoidea - Latreille, 1825
                                                                                   Family # Ancillariidae - Swainson, 1840
                                                                                                           Genus # Ancilla - Lamarck, 1799
                                                                                   Family # Bellolividae - Kantor, Fedosov, Puillandre, Bonillo and Bouchet, 2017
                                                                                   Family # Benthobiidae - Kantor, Fedosov, Puillandre, Bonillo and Bouchet, 2017
                                                                                                           Genus # Benthobia - Dall, 1889
                                                                                   Family # Olividae - Latreille, 1825
                                                                                                           Genus # Jaspidella - Olsson, 1956
                                                                                                           Genus # Oliva - Bruguiere, 1789
                                                                                                           Genus # Olivella - Swainson, 1831
                                                                                   Family # Pseudolividae - de Gregorio, 1880
                                                                                                           Genus # Fulmentum - Fischer, 1884
                                                                                                           Genus # Fusopsis - Ravn, 1939
                                                                                                           Genus # Fusulculus - Bouchet and Vermeij, 1997
                                                                                                           Genus # Luizia - Douvillé, 1933
                                                                                                           Genus # Macron - H. Adams and A. Adams, 1853
                                                                                                           Genus # Naudolivia - Kilburn, 1989
                                                                                                           Genus # Pseudolivia - Swainson, 1840
                                                                                                           Genus # Triumphis - Gray, 1857
                                                                                                           Genus # Zemira - H. Adams and A. Adams, 1853
                                                                             Superfamily # Turbinelloidea - Swainson, 1835
                                                                                   Family # Columbariidae - Tomlin, 1928
                                                                                                           Genus # Columbarium - Martens, 1881
                                                                                   Family # Costellariidae - MacDonald, 1860
                                                                                                           Genus # Thala - H. Adams and A. Adams, 1853
                                                                                                           Genus # Vexillum - Roding, 1798
                                                                                   Family # Ptychatractidae - Stimpson, 1865
                                                                                                           Genus # Ptychatractus - Stimpson, 1865
                                                                                   Family # Turbinellidae - Swainson, 1835
                                                                                                           Genus # Exilioidea - Grant and Gale, 1931
                                                                                                           Genus # Metzgeria - Norman, 1879
                                                                                                           Genus # Turbinella - Lamarck, 1799
                                                                                                           Genus # Vasum - Roding, 1798
                                                                                   Family # Volutomitridae - Gray, 1854
                                                                                                           Genus # Microvoluta - Angas, 1877
                                                                                                           Genus # Volutomitra - H. Adams and A. Adams, 1853
                                                                             Superfamily # Volutoidea - Rafinesque, 1815
                                                                                   Family # Cystiscidae - Stimpson, 1865
                                                                                                           Genus # Cystiscus - Stimpson, 1865
                                                                                                           Genus # Gibberula - Swainson, 1840
                                                                                                           Genus # Granulina - Jousseaume, 1888
                                                                                                           Genus # Persicula - Schumacher, 1817
                                                                                                           Genus # Plesiocystiscus - Coovert and Coovert, 1995
                                                                                                           Genus # Pugnus - Hedley, 1896
                                                                                   Family # Harpidae - Bronn, 1849
                                                                                                           Genus # Morum - Roding, 1798
                                                                                   Family # Marginellidae - Fleming, 1828
                                                                                                           Genus # Dentimargo - Cossmann, 1899
                                                                                                           Genus # Eratoidea - Weinkauff, 1879
                                                                                                           Genus # Granula - Jousseaume, 1875
                                                                                                           Genus # Hyalina - Schumacher, 1817
                                                                                                           Genus # Marginella - Lamarck, 1799
                                                                                                           Genus # Prunum - Herrmannsen, 1852
                                                                                                           Genus # Volvarina - Hinds, 1844
                                                                                   Family # Volutidae - Rafinesque, 1815
                                                                                                           Genus # Arctomelon - Dall, 1915
                                                                                                           Genus # Enaeta - H. Adams and A. Adams, 1853
                                                                                                           Genus # Scaphella - Swainson, 1832
                                                                                                           Genus # Voluta - Linnaeus, 1758
                                                           Order # Tonnida -  
                                                                             Superfamily # Ficoidea - Meek, 1864
                                                                                   Family # Ficidae - Meek, 1864
                                                                                                           Genus # Ficus - Röding, 1798
                                                                             Superfamily # Tonnoidea - Suter, 1913
                                                                                   Family # Bursidae - Thiele, 1925
                                                                                                           Genus # Bufonaria - Schumacher, 1817
                                                                                                           Genus # Bursa - Roding, 1798
                                                                                                           Genus # Crossata - Jousseaume, 1881
                                                                                   Family # Cassidae - Latreille, 1825
                                                                                                           Genus # Casmaria - H. Adams and A. Adams, 1853
                                                                                                           Genus # Cassis - Scopoli, 1777
                                                                                                           Genus # Cypraecassis - Stutchbury, 1837
                                                                                                           Genus # Phalium - Link, 1807
                                                                                                           Genus # Sconsia - Gray, 1847
                                                                                         Subfamily # Oocorythinae - P. Fischer, 1885
                                                                                                           Genus # Oocorys - P. Fischer, 1883
                                                                                   Family # Charoniidae - Powell, 1933
                                                                                                           Genus # Charonia - Gistel, 1848
                                                                                   Family # Cymatiidae - Iredale, 1913
                                                                                                           Genus # Cymatium - Roding, 1798
                                                                                   Family # Laubierinidae - Warén and Bouchet, 1990
                                                                                   Family # Personidae - Gray, 1854
                                                                                                           Genus # Distorsio - Roding, 1798
                                                                                   Family # Ranellidae - Gray, 1854
                                                                                                           Genus # Cabestana - Röding, 1798
                                                                                                           Genus # Fusitriton - Cossmann, 1903
                                                                                                           Genus # Linatella - Gray, 1857
                                                                                                           Genus # Sassia - Bellardi, 1873
                                                                                   Family # Thalassocyonidae - F. Riedel, 1995
                                                                                   Family # Tonnidae - Suter, 1913
                                                                                                           Genus # Dalium - Dall, 1889
                                                                                                           Genus # Eudolium - Dall, 1889
                                                                                                           Genus # Tonna - Brunnich, 1772
                                               Infraclass # Heterobranchia -  
                                                                                   Family # Tjaernoeiidae - Warén, 1991
                                                           Order # Acteonida -  
                                                                             Superfamily # Acteonoidea - d'Orbigny, 1843
                                                                                   Family # Acteonidae - d'Orbigny, 1843
                                                                                                           Genus # Acteon - Montfort, 1810
                                                                                                           Genus # Crenilabium - Cossmann, 1889
                                                                                                           Genus # Japonactaeon - I. Taki, 1956
                                                                                                           Genus # Mysouffa - Ev. Marcus, 1974
                                                                                                           Genus # Pseudacteon - Thiele, 1925
                                                                                                           Genus # Pupa -  
                                                                                                           Genus # Rictaxis - Dall, 1871
                                                                                   Family # Aplustridae - Gray, 1847
                                                                                                           Genus # Bullina - Férussac, 1822
                                                                                                           Genus # Hydatina - Schumacher, 1817
                                                                                                           Genus # Micromelo - Pilsbry, 1895
                                                           Order # Allomorpha -  
                                                                             Superfamily # Murchisonelloidea - Casey, 1904
                                                                                   Family # Murchisonellidae - Casey, 1904
                                                                                                           Genus # Henrya - Bartsch, 1927
                                                                                                           Genus # Murchisonella - Morch, 1875
                                                                             Superfamily # Rhodopoidea - Ihering, 1876
                                                                                   Family # Rhodopidae - Ihering, 1876
                                                                                                           Genus # Helminthope - Salvini-Plawen, 1991
                                                                                                           Genus # Rhodope -  
                                                           Order # Aplysiida -  
                                                                             Superfamily # Akeroidea - Mazzarelli, 1891
                                                                                   Family # Akeridae - Mazzarelli, 1891
                                                                                                           Genus # Akera - O. F. Müller, 1776
                                                                             Superfamily # Aplysioidea - Lamarck, 1809
                                                                                   Family # Aplysiidae - Lamarck, 1809
                                                                                                           Genus # Aplysia - Linnaeus, 1767
                                                                                                           Genus # Bursatella - de Blainville, 1817
                                                                                                           Genus # Dolabrifera - Gray, 1847
                                                                                                           Genus # Notarchus - Cuvier, 1818
                                                                                                           Genus # Petalifera - Gray, 1847
                                                                                                           Genus # Phyllaplysia - P. Fischer, 1872
                                                                                                           Genus # Stylocheilus - Gould, 1852
                                                           Order # Architectonicida -  
                                                                 Suborder # Architectonicina -  
                                                                             Superfamily # Architectonicoidea - Gray, 1850
                                                                                   Family # Architectonicidae - Gray, 1850
                                                                                                           Genus # Architectonica - Roding, 1798
                                                                                                           Genus # Discotectonica - Marwick, 1931
                                                                                                           Genus # Heliacus - D'Orbigny, 1842
                                                                                                           Genus # Philippia - J. E. Gray, 1847
                                                                                                           Genus # Pseudomalaxis - P. Fischer, 1885
                                                                                                           Genus # Pseudotorinia - Sacco, 1892
                                                                                                           Genus # Psilaxis - Woodring, 1928
                                                                                                           Genus # Solatisonax - Iredale, 1931
                                                                                                           Genus # Spirolaxis - di Monterosato, 1913
                                                                             Superfamily # Mathildoidea - Dall, 1889
                                                                                   Family # Mathildidae - Dall, 1889
                                                                                                           Genus # Mathilda - Semper, 1865
                                                                                                           Genus # Turritellopsis - G. O. Sars, 1878
                                                                 Suborder # Omalogyrina -  
                                                                             Superfamily # Omalogyroidea - G. O. Sars, 1878
                                                                                   Family # Omalogyridae - G. O. Sars, 1878
                                                                                                           Genus # Ammonicera - Vayssiére, 1893
                                                                                                           Genus # Omalogyra - Jeffreys, 1859
                                                           Order # Cephalaspidea - P. Fischer, 1883
                                                                 Suborder # Bulloidei -  
                                                                             Superfamily # Bulloidea - Gray, 1827
                                                                                   Family # Bullidae - Gray, 1827
                                                                                                           Genus # Bulla - Linnaeus, 1758
                                                                                   Family # Retusidae - Thiele, 1925
                                                                                                           Genus # Coleophysis -  
                                                                                                           Genus # Pyrunculus - Pilsbry, 1895
                                                                                                           Genus # Retusa - T. Brown, 1827
                                                                                   Family # Rhizoridae - Dell, 1952
                                                                                                           Genus # Rhizorus - Montford, 1810
                                                                                                           Genus # Volvulella - Newton, 1891
                                                                                   Family # Tornatinidae - P. Fischer, 1883
                                                                                                           Genus # Tornatina - A. Adams, 1850
                                                                             Superfamily # Cylichnoidea - H. Adams and A. Adams, 1854
                                                                                   Family # Colinatydidae - Oskars, Bouchet and Malaquias, 2015
                                                                                   Family # Cylichnidae - H. Adams and A. Adams, 1854
                                                                                                           Genus # Acteocina - Gray, 1847
                                                                                                           Genus # Cylichna - Loven, 1846
                                                                                                           Genus # Cylichnella -  
                                                                                                           Genus # Meloscaphander -  
                                                                                                           Genus # Roxania - Leach In Gray, 1847
                                                                                   Family # Diaphanidae - Odhner, 1914
                                                                                                           Genus # Diaphana - Brown, 1827
                                                                                                           Genus # Rhinodiaphana - Lemche, 1967
                                                                                                           Genus # Woodbridgea - S. S. Berry, 1953
                                                                                   Family # Eoscaphandridae - Chaban and Kijashko, 2016
                                                                                   Family # Mnestiidae - Oskars, Bouchet and Malaquias, 2015
                                                                             Superfamily # Haminoeoidea - Pilsbry, 1895
                                                                                   Family # Haminoeidae - Pilsbry, 1895
                                                                                                           Genus # Atys - Montfort, 1810
                                                                                                           Genus # Cylichnium - Dall, 1908
                                                                                                           Genus # Haminoea - Turton and Kingston, 1830
                                                                             Superfamily # Newnesioidea - Moles, Wägele, Schrödl and Avila, 2017
                                                                                   Family # Newnesiidae - Moles, Wägele, Schrödl and Avila, 2017
                                                                                                           Genus # Newnesia - E. A. Smith, 1902
                                                                             Superfamily # Philinoidea - Gray, 1850
                                                                                   Family # Aglajidae - Pilsbry, 1895
                                                                                                           Genus # Aglaja - Renier, 1804
                                                                                                           Genus # Chelidonura - A. Adams, 1850
                                                                                                           Genus # Melanochlamys - Cheesman, 1881
                                                                                                           Genus # Navanax - Pilsbry, 1895
                                                                                                           Genus # Philinopsis - Pease, 1860
                                                                                   Family # Alacuppidae - Oskars, Bouchet and Malaquias, 2015
                                                                                   Family # Colpodaspididae - Oskars, Bouchet and Malaquias, 2015
                                                                                                           Genus # Colpodaspis - M. Sars, 1870
                                                                                   Family # Gastropteridae - Swainson, 1840
                                                                                                           Genus # Gastropteron - Kosse, 1813
                                                                                   Family # Laonidae - Pruvot-Fol, 1954
                                                                                   Family # Philinidae - Gray, 1850
                                                                                                           Genus # Philine - Ascanius, 1772
                                                                                   Family # Philinoglossidae - Hertling, 1932
                                                                                                           Genus # Philinoglossa - Hertling, 1932
                                                                                   Family # Philinorbidae - Oskars, Bouchet and Malaquias, 2015
                                                                                   Family # Scaphandridae - G. O. Sars, 1878
                                                                                                           Genus # Scaphander - Montfort, 1810
                                                                 Suborder # Runcinina -  
                                                                             Superfamily # Runcinoidea - H. Adams and A. Adams, 1854
                                                                                   Family # Ilbiidae - Burn, 1963
                                                                                   Family # Runcinidae - H. Adams and A. Adams, 1854
                                                                                                           Genus # Lapinura - Er. Marcus and Ev. Marcus, 1970
                                                                                                           Genus # Runcina - Forbes and Hanley, 1851
                                                           Order # Ectobranchia -  
                                                                             Superfamily # Valvatoidea - Gray, 1840
                                                                                   Family # Cornirostridae - Ponder, 1990
                                                                                                           Genus # Tomura - Pilsbry and McGinty, 1946
                                                                                   Family # Hyalogyrinidae - Warén and Bouchet, 1993
                                                                                   Family # Valvatidae - Gray, 1840
                                                                                                           Genus # Valvata - O. F. Muller, 1774
                                                           Order # Orbitestellida -  
                                                                             Superfamily # Cimoidea - Warén, 1993
                                                                                   Family # Cimidae - Warén, 1993
                                                                             Superfamily # Orbitestelloidea - Iredale, 1917
                                                                                   Family # Orbitestellidae - Iredale, 1917
                                                                                                           Genus # Orbitestella - Iredale, 1917
                                                                                   Family # Xylodisculidae - Warén, 1992
                                                           Order # Pteropoda -  
                                                                 Suborder # Gymnosomata -  
                                                                             Superfamily # Clionoidea - Rafinesque, 1815
                                                                                   Family # Clionidae - Rafinesque, 1815
                                                                                                           Genus # Cephalobranchia - Bonnevie, 1913
                                                                                                           Genus # Clione - Pallas, 1774
                                                                                                           Genus # Fowlerina - Pelseneer, 1906
                                                                                                           Genus # Massya - Pruvot-Fol, 1924
                                                                                                           Genus # Paedoclione - Danforth, 1907
                                                                                                           Genus # Paraclione - Tesch, 1903
                                                                                                           Genus # Thalassopterus - Kwietniewski, 1910
                                                                                                           Genus # Thliptodon - Boas, 1886
                                                                                   Family # Cliopsidae - O. G. Costa, 1873
                                                                                                           Genus # Cliopsis - Troschel, 1854
                                                                                                           Genus # Pruvotella - Pruvot-fol, 1932
                                                                                   Family # Notobranchaeidae - Pelseneer, 1886
                                                                                                           Genus # Notobranchaea - Pelseneer, 1886
                                                                                                           Genus # Prionoglossa - Tesch, 1950
                                                                                   Family # Pneumodermatidae - Latrielle, 1825
                                                                                                           Genus # Pneumoderma - Dumeril, 1806
                                                                                                           Genus # Pneumodermopsis - Keferstein, 1862
                                                                                                           Genus # Schizobrachium - Meisenheimer, 1903
                                                                                                           Genus # Spongiobranchaea - d'Orbigny, 1836
                                                                             Superfamily # Hydromyloidea - Pruvot-Fol, 1942
                                                                                   Family # Hydromylidae - Pruvot-Fol, 1942
                                                                                                           Genus # Hydromyles - Gistel, 1848
                                                                                   Family # Laginiopsidae - Pruvot-Fol, 1922
                                                                 Suborder # Thecosomata -  
                                                                             Superfamily # Cavolinioidea - Gray, 1850
                                                                                   Family # Cavoliniidae - Gray, 1850
                                                                                                           Genus # Cavolinia - Abildgaard, 1791
                                                                                                           Genus # Clio - Linnaeus, 1767
                                                                                                           Genus # Cuvierina - Boas, 1886
                                                                                                           Genus # Diacavolinia - Van der Spoel, 1987
                                                                                                           Genus # Diacria - Gray, 1847
                                                                                                           Genus # Hyalocylis - de Folin, 1875
                                                                                                           Genus # Styliola - Gray, 1850
                                                                                   Family # Creseidae - Rampal, 1973
                                                                                                           Genus # Creseis - Rang, 1828
                                                                             Superfamily # Cymbulioidea - Gray, 1840
                                                                                   Family # Cymbuliidae - Gray, 1840
                                                                                                           Genus # Cleba -  
                                                                                                           Genus # Corolla - Dall, 1871
                                                                                                           Genus # Cymbulia - Peron and Lesueur, 1810
                                                                                                           Genus # Gleba - Forskal, 1776
                                                                                   Family # Desmopteridae - Chun, 1889
                                                                                                           Genus # Desmopterus - Chun, 1889
                                                                                   Family # Peraclidae - Tesch, 1913
                                                                                                           Genus # Peracle - Forbes, 1844
                                                                             Superfamily # Limacinoidea - Gray, 1840
                                                                                   Family # Limacinidae - Gray, 1840
                                                                                                           Genus # Limacina - Bosc, 1817
                                                           Order # Ringiculida -  
                                                                             Superfamily # Ringiculoidea - Philippi, 1853
                                                                                   Family # Ringiculidae - Philippi, 1853
                                                                                                           Genus # Microglyphis - Dall, 1902
                                                                                                           Genus # Ringicula - Deshayes, 1838
                                                           Order # Rissoellida -  
                                                                             Superfamily # Rissoelloidea - Gray, 1850
                                                                                   Family # Rissoellidae - Gray, 1850
                                                                                                           Genus # Rissoella - J. E. Gray, 1847
                                                           Order # Umbraculida -  
                                                                             Superfamily # Umbraculoidea - Dall, 1889
                                                                                   Family # Tylodinidae - Gray, 1847
                                                                                                           Genus # Anidolyta - Willan, 1987
                                                                                                           Genus # Tylodina - Rafinesque, 1814
                                                                                                           Genus # Tylodinella -  
                                                                                   Family # Umbraculidae - Dall, 1889
                                                                                                           Genus # Umbraculum - Schumacher, 1817
                                                     Superorder # Acochlidia -  
                                                           Order # Acochlida -  
                                                                             Superfamily # Acochlidioidea - Küthe, 1935
                                                                                   Family # Acochlidiidae - Küthe, 1935
                                                                                   Family # Aitengidae - Swennen and Buatip, 2009
                                                                                   Family # Bathyhedylidae - Neusser, Jörger, Lodde-Bensch, Strong and Schrödl, 2016
                                                                                   Family # Hedylopsidae - Odhner, 1952
                                                                                                           Genus # Hedylopsis - Thiele, 1931
                                                                                   Family # Pseudunelidae - Rankin, 1979
                                                                                   Family # Tantulidae - Rankin, 1979
                                                                             Superfamily # Parhedyloidea - Thiele, 1931
                                                                                   Family # Asperspinidae - Rankin, 1979
                                                                                   Family # Parhedylidae - Thiele, 1931
                                                                                                           Genus # Microhedyle - Hertling, 1930
                                                                                                           Genus # Unela - Er. Marcus, 1953
                                                     Superorder # Eupulmonata -  
                                                           Order # Ellobiida -  
                                                                             Superfamily # Ellobioidea - L. Pfeiffer, 1854
                                                                                   Family # Ellobiidae - L. Pfeiffer, 1854
                                                                                                           Genus # Blauneria - Shuttleworth, 1854
                                                                                                           Genus # Carychium - O. F. Müller, 1773
                                                                                                           Genus # Creedonia - Martins, 1996
                                                                                                           Genus # Detracia - Gray In Turton, 1840
                                                                                                           Genus # Ellobium - Roding, 1798
                                                                                                           Genus # Laemodonta - Philippi, 1846
                                                                                                           Genus # Leuconopsis - Hutton, 1884
                                                                                                           Genus # Leucophytia -  
                                                                                                           Genus # Marinula - P. P. King, 1832
                                                                                                           Genus # Melampus - Montfort, 1810
                                                                                                           Genus # Microtralia - Dall, 1894
                                                                                                           Genus # Myosotella - di Monterosato, 1906
                                                                                                           Genus # Ovatella - Bivona, 1832
                                                                                                           Genus # Pedipes - Ferussac, 1821
                                                                                                           Genus # Phytia - Nomen Nudum
                                                                                                           Genus # Tralia - Gray, 1840
                                                                             Superfamily # Trimusculoidea - J. Q. Burch, 1945
                                                                                   Family # Otinidae - H. Adams and A. Adams, 1855
                                                                                                           Genus # Otina - Gray, 1847
                                                                                   Family # Smeagolidae - Climo, 1980
                                                                                                           Genus # Smeagol - Climo, 1980
                                                                                   Family # Trimusculidae - J. Q. Burch, 1945
                                                                                                           Genus # Trimusculus - Schmidt, 1818
                                                     Superorder # Hygrophila -  
                                                           Order # Lymnaeida -  
                                                                             Superfamily # Acroloxoidea - Thiele, 1931
                                                                                   Family # Acroloxidae - Thiele, 1931
                                                                                                           Genus # Acroloxus - Beck, 1837
                                                                             Superfamily # Chilinoidea - Dall, 1870
                                                                                   Family # Chilinidae - Dall, 1870
                                                                                   Family # Latiidae - Hutton, 1882
                                                                             Superfamily # Lymnaeoidea - Rafinesque, 1815
                                                                                   Family # Lymnaeidae - Rafinesque, 1815
                                                                                                           Genus # Acella - Haldeman, 1841
                                                                                                           Genus # Bulimnaea - Haldeman, 1841
                                                                                                           Genus # Erinna - H. Adams and A. Adams, 1855
                                                                                                           Genus # Fisherola - Hannibal, 1912
                                                                                                           Genus # Galba - Schrank, 1803
                                                                                                           Genus # Idaholanx - Clark, Campbell and Lydeard, 2017
                                                                                                           Genus # Lanx - Clessin, 1882
                                                                                                           Genus # Lymnaea - Lamarck, 1799
                                                                                                           Genus # Pseudosuccinea - F. C. Baker, 1908
                                                                                                           Genus # Radix - Montfort, 1810
                                                                                                           Genus # Stagnicola - Leach, 1830
                                                                             Superfamily # Planorboidea - Rafinesque, 1815
                                                                                   Family # Burnupiidae - Albrecht in Bouchet et al., 2017
                                                                                                           Genus # Burnupia - Walker, 1912
                                                                                   Family # Physidae - Fitzinger, 1833
                                                                                                           Genus # Aplexa - Fleming, 1820
                                                                                                           Genus # Archiphysa - Taylor, 2003
                                                                                                           Genus # Laurentiphysa - Taylor, 2003
                                                                                                           Genus # Physa - Draparnaud, 1801
                                                                                                           Genus # Physella - Haldeman, 1842
                                                                                                           Genus # Stenophysa - von Martens, 1898
                                                                                   Family # Planorbidae - Rafinesque, 1815
                                                                                                           Genus # Amphigyra - Pilsbry, 1906
                                                                                                           Genus # Ancylus - O. F. Muller, 1774
                                                                                                           Genus # Biomphalaria - Preston, 1910
                                                                                                           Genus # Bulinus - Müller, 1781
                                                                                                           Genus # Drepanotrema - Crosse and P. Fischer, 1880
                                                                                                           Genus # Ferrissia - Walker, 1903
                                                                                                           Genus # Gundlachia - Pfeiffer, 1849
                                                                                                           Genus # Gyraulus - Agassiz, 1837
                                                                                                           Genus # Hebetancylus - Pilsbry, 1914
                                                                                                           Genus # Helisoma - Swainson, 1840
                                                                                                           Genus # Laevapex - Walker, 1903
                                                                                                           Genus # Menetus - H. Adams and A. Adams, 1855
                                                                                                           Genus # Micromenetus - F. C. Baker, 1945
                                                                                                           Genus # Neoplanorbis - Pilsbry, 1906
                                                                                                           Genus # Pecosorbis - Taylor, 1985
                                                                                                           Genus # Planorbella - Haldeman, 1842
                                                                                                           Genus # Planorbis - Müller, 1774
                                                                                                           Genus # Planorbula - Haldeman, 1842
                                                                                                           Genus # Promenetus - F. C. Baker, 1935
                                                                                                           Genus # Rhodacmea - Walker, 1917
                                                                                                           Genus # Vorticifex - Meek, 1870
                                                     Superorder # Nudipleura -  
                                                           Order # Nudibranchia - Cuvier in Blainville, 1814
                                                                 Suborder # Aeolidiina -  
                                                                                   Family # Pseudovermidae - Thiele, 1931
                                                                                                           Genus # Pseudovermis - Periaslavzeff, 1891
                                                                             Superfamily # Aeolidioidea - Gray, 1827
                                                                                   Family # Aeolidiidae - Gray, 1827
                                                                                                           Genus # Aeolidia - Cuvier, 1797
                                                                                                           Genus # Aeolidiella - Bergh, 1867
                                                                                                           Genus # Baeolidia - Bergh, 1888
                                                                                                           Genus # Berghia - Trinchese, 1877
                                                                                                           Genus # Cerberilla - Bergh, 1873
                                                                                                           Genus # Spurilla - Bergh, 1864
                                                                                   Family # Babakinidae - Roller, 1973
                                                                                                           Genus # Babakina - Roller, 1972
                                                                                   Family # Facelinidae - Bergh, 1889
                                                                                                           Genus # Austraeolis - Burn, 1962
                                                                                                           Genus # Cratena - Bergh, 1864
                                                                                                           Genus # Dicata - Schmekel, 1967
                                                                                                           Genus # Dondice - Er. Marcus, 1958
                                                                                                           Genus # Emarcusia - Roller, 1972
                                                                                                           Genus # Facelina - Alder and Hancock, 1855
                                                                                                           Genus # Favorinus - M. E. Gray, 1850
                                                                                                           Genus # Godiva - Macnae, 1954
                                                                                                           Genus # Hermissenda - Bergh, 1879
                                                                                                           Genus # Learchis - Bergh, 1896
                                                                                                           Genus # Noumeaella - Gosliner, 1991
                                                                                                           Genus # Palisa - Edmunds, 1964
                                                                                                           Genus # Phidiana - Gray, 1850
                                                                                                           Genus # Sakuraeolis - Baba, 1965
                                                                                   Family # Flabellinidae - Bergh, 1889
                                                                                                           Genus # Chlamylla - Bergh, 1886
                                                                                                           Genus # Flabellina - Voigt, 1834
                                                                                   Family # Flabellinopsidae - Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
                                                                                                           Genus # Flabellinopsis - MacFarland, 1966
                                                                                   Family # Glaucidae - Gray, 1827
                                                                                                           Genus # Glaucus - Forster, 1777
                                                                                   Family # Myrrhinidae - Bergh, 1905
                                                                                   Family # Notaeolidiidae - Eliot, 1910
                                                                                   Family # Piseinotecidae - Edmunds, 1970
                                                                                                           Genus # Piseinotecus - Er. Marcus, 1955
                                                                                   Family # Pleurolidiidae - Burn, 1966
                                                                             Superfamily # Fionoidea - Gray, 1857
                                                                                   Family # Abronicidae - Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
                                                                                   Family # Apataidae - Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
                                                                                   Family # Calmidae - Iredale and O'Donoghue, 1923
                                                                                                           Genus # Calma -  
                                                                                   Family # Coryphellidae - Bergh, 1889
                                                                                                           Genus # Coryphella - Gray, 1850
                                                                                   Family # Cumanotidae - Odhner, 1907
                                                                                                           Genus # Cumanotus - Odhner, 1907
                                                                                   Family # Cuthonellidae - M. C. Miller, 1977
                                                                                   Family # Cuthonidae - Odhner, 1934
                                                                                                           Genus # Precuthona - Odhner, 1929
                                                                                   Family # Dotidae - Gray, 1853
                                                                                                           Genus # Doto - Oken, 1815
                                                                                                           Genus # Miesea - Er. Marcus, 1961
                                                                                   Family # Eubranchidae - Odhner, 1934
                                                                                                           Genus # Eubranchus - Forbes, 1838
                                                                                   Family # Fionidae - Gray, 1857
                                                                                                           Genus # Fiona - Alder and Hancock, 1851
                                                                                   Family # Murmaniidae - Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
                                                                                   Family # Paracoryphellidae - M. C. Miller, 1971
                                                                                   Family # Samlidae - Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
                                                                                   Family # Tergipedidae - Bergh, 1889
                                                                                                           Genus # Catriona - Winckworth, 1941
                                                                                                           Genus # Cuthona - Alder and Hancock, 1855
                                                                                                           Genus # Tenellia - A. Costa, 1866
                                                                                                           Genus # Tergipes - Cuvier, 1805
                                                                                   Family # Trinchesiidae - F. Nordsieck, 1972
                                                                                                           Genus # Trinchesia - Ihering, 1879
                                                                                   Family # Unidentiidae - Millen and Hermosillo, 2012
                                                                 Suborder # Cladobranchia -  
                                                                                   Family # Bornellidae - Bergh, 1874
                                                                                                           Genus # Bornella -  
                                                                                   Family # Embletoniidae - Pruvot-Fol, 1954
                                                                                                           Genus # Embletonia - Alder and Hancock, 1851
                                                                                   Family # Goniaeolididae - Odhner, 1907
                                                                                                           Genus # Goniaeolis - M. Sars, 1861
                                                                                   Family # Heroidae - Gray, 1857
                                                                                                           Genus # Hero -  
                                                                                   Family # Lomanotidae - Bergh, 1890
                                                                                                           Genus # Lomanotus - Verany, 1844
                                                                                   Family # Madrellidae - Preston, 1911
                                                                                                           Genus # Madrella - Alder and Hancock, 1864
                                                                                   Family # Phylliroidae - Menke, 1830
                                                                                                           Genus # Phylliroe - Peron and Lesueur, 1810
                                                                                   Family # Pinufiidae - Er. Marcus and Ev. Marcus, 1960
                                                                             Superfamily # Arminoidea - Iredale and O'Donoghue, 1923
                                                                                   Family # Arminidae - Iredale and O'Donoghue, 1923
                                                                                                           Genus # Armina - Rafinesque, 1814
                                                                                                           Genus # Heterodoris - Verrill and Emerton, 1882
                                                                                   Family # Doridomorphidae - Er. Marcus and Ev. Marcus, 1960
                                                                             Superfamily # Dendronotoidea - Allman, 1845
                                                                                   Family # Dendronotidae - Allman, 1845
                                                                                                           Genus # Dendronotus - Alder and Hancock, 1845
                                                                                   Family # Hancockiidae - MacFarland, 1923
                                                                                                           Genus # Hancockia - Gosse, 1877
                                                                                   Family # Scyllaeidae - Alder and Hancock, 1855
                                                                                                           Genus # Notobryon - Odhner, 1936
                                                                                                           Genus # Scyllaea - Linnaeus, 1758
                                                                                   Family # Tethydidae - Rafinesque, 1815
                                                                                                           Genus # Melibe - Rang, 1829
                                                                                                           Genus # Tethys - Linnaeus, 1758
                                                                             Superfamily # Doridoxoidea - Bergh, 1899
                                                                                   Family # Doridoxidae - Bergh, 1899
                                                                             Superfamily # Proctonotoidea - Gray, 1853
                                                                                   Family # Curnonidae - d'Udekem d'Acoz, 2017
                                                                                   Family # Dironidae - Eliot, 1910
                                                                                                           Genus # Dirona - MacFarland, 1905
                                                                                   Family # Lemindidae - Griffiths, 1985
                                                                                   Family # Proctonotidae - Gray, 1853
                                                                                                           Genus # Janolus - Bergh, 1884
                                                                                                           Genus # Proctonotus - Alder, 1844
                                                                             Superfamily # Tritonioidea - Lamarck, 1809
                                                                                   Family # Tritoniidae - Lamarck, 1809
                                                                                                           Genus # Marionia - Vayssiere, 1877
                                                                                                           Genus # Tochuina - Odhner, 1963
                                                                                                           Genus # Tritonia - Cuvier, 1798
                                                                                                           Genus # Tritonidoxa - Bergh, 1907
                                                                                                           Genus # Tritoniopsis - Eliot, 1905
                                                                 Suborder # Doridina -  
                                                                       Infraorder # Bathydoridoidei -  
                                                                             Superfamily # Bathydoridoidea - Bergh, 1891
                                                                                   Family # Bathydorididae - Bergh, 1891
                                                                       Infraorder # Doridoidei -  
                                                                             Superfamily # Chromodoridoidea - Bergh, 1891
                                                                                   Family # Actinocyclidae - O'Donoghue, 1929
                                                                                                           Genus # Hallaxa - Eliot, 1909
                                                                                   Family # Cadlinidae - Bergh, 1891
                                                                                                           Genus # Cadlina - Bergh, 1878
                                                                                   Family # Chromodorididae - Bergh, 1891
                                                                                                           Genus # Chromodoris - Alder and Hancock, 1855
                                                                                                           Genus # Felimare -  
                                                                                                           Genus # Glossodoris - Ehrenberg, 1831
                                                                                                           Genus # Hypselodoris - Stimpson, 1855
                                                                                                           Genus # Mexichromis - Bertsch, 1977
                                                                                   Family # Hexabranchidae - Bergh, 1891
                                                                                                           Genus # Hexabranchus -  
                                                                             Superfamily # Doridoidea - Rafinesque, 1815
                                                                                   Family # Discodorididae - Bergh, 1891
                                                                                                           Genus # Anisodoris - Bergh, 1898
                                                                                                           Genus # Aphelodoris - von Ihering, 1886
                                                                                                           Genus # Archidoris - Bergh, 1878
                                                                                                           Genus # Atagema - Gray, 1850
                                                                                                           Genus # Baptodoris - Bergh, 1884
                                                                                                           Genus # Diaulula - Bergh, 1879
                                                                                                           Genus # Discodoris - Bergh, 1877
                                                                                                           Genus # Geitodoris - Bergh, 1892
                                                                                                           Genus # Halgerda - Bergh, 1880
                                                                                                           Genus # Jorunna - Bergh, 1876
                                                                                                           Genus # Peltodoris - Bergh, 1880
                                                                                                           Genus # Platydoris - Bergh, 1877
                                                                                                           Genus # Rostanga - Bergh, 1879
                                                                                                           Genus # Sclerodoris - Eliot, 1904
                                                                                                           Genus # Taringa - Er. Marcus, 1955
                                                                                                           Genus # Thordisa - Bergh, 1877
                                                                                   Family # Dorididae - Rafinesque, 1815
                                                                                                           Genus # Aldisa - Bergh, 1878
                                                                                                           Genus # Conualevia - Collier and Farmer, 1964
                                                                                                           Genus # Doridium - Meckel, 1809
                                                                                                           Genus # Doris - Linnaeus, 1758
                                                                                                           Genus # Siraius - Marcus, 1955
                                                                             Superfamily # Onchidoridoidea - Gray, 1827
                                                                                   Family # Aegiridae - P. Fischer, 1883
                                                                                                           Genus # Aegires - Lovén, 1844
                                                                                   Family # Akiodorididae - Millen and Martynov, 2005
                                                                                                           Genus # Akiodoris - Bergh, 1879
                                                                                   Family # Calycidorididae - Roginskaya, 1972
                                                                                                           Genus # Calycidoris - Abraham, 1876
                                                                                   Family # Corambidae - Bergh, 1871
                                                                                                           Genus # Corambe - Bergh, 1869
                                                                                                           Genus # Doridella - Verrill, 1870
                                                                                                           Genus # Psammodoris - Martynov, 1994
                                                                                                           Genus # Quasicorambe - Martynov, 1994
                                                                                                           Genus # Suhinia - Martynov, 1994
                                                                                   Family # Goniodorididae - H. Adams and A. Adams, 1854
                                                                                                           Genus # Ancula - Loven, 1846
                                                                                                           Genus # Goniodoris - Forbes and Goodsir, 1939
                                                                                                           Genus # Hopkinsia - MacFarland, 1905
                                                                                                           Genus # Lophodoris - G. O. Sars, 1878
                                                                                                           Genus # Okenia - Leuckart and Bronn in Menke, 1830
                                                                                                           Genus # Trapania - Pruvot-Fol, 1931
                                                                                   Family # Onchidorididae - Gray, 1827
                                                                                                           Genus # Acanthodoris - Gray, 1850
                                                                                                           Genus # Adalaria - Bergh, 1879
                                                                                                           Genus # Diaphorodoris - Iredale and O'Donoghue, 1923
                                                                                                           Genus # Doridunculus - G. O. Sars, 1878
                                                                                                           Genus # Lamellidoris - Adler and Hancock, 1855
                                                                                                           Genus # Onchidoris - de Blainville, 1816
                                                                             Superfamily # Phyllidioidea - Rafinesque, 1814
                                                                                   Family # Dendrodorididae - O'Donoghue, 1924
                                                                                                           Genus # Dendrodoris - Ehrenberg, 1831
                                                                                                           Genus # Doriopsilla - Bergh, 1880
                                                                                   Family # Mandeliidae - Valdés and Gosliner, 1999
                                                                                   Family # Phyllidiidae - Rafinesque, 1814
                                                                                                           Genus # Ceratophyllidia - Elliot, 1903
                                                                                                           Genus # Phyllidiopsis - Bergh, 1875
                                                                             Superfamily # Polyceroidea - Alder and Hancock, 1845
                                                                                   Family # Polyceridae - Alder and Hancock, 1845
                                                                                                           Genus # Colga - Bergh, 1880
                                                                                                           Genus # Crimora - Alder and Hancock, 1855
                                                                                                           Genus # Greilada -  
                                                                                                           Genus # Kaloplocamus - Bergh, 1892
                                                                                                           Genus # Laila - MacFarland, 1905
                                                                                                           Genus # Limacia -  
                                                                                                           Genus # Nembrotha - Bergh, 1877
                                                                                                           Genus # Palio - Gray, 1857
                                                                                                           Genus # Polycera - Cuvier, 1817
                                                                                                           Genus # Polycerella - A. E. Verrill, 1881
                                                                                                           Genus # Tambja - Burn, 1962
                                                                                                           Genus # Thecacera - Fleming, 1828
                                                                                                           Genus # Triopha - Bergh, 1880
                                                           Order # Pleurobranchida -  
                                                                             Superfamily # Pleurobranchoidea - Gray, 1827
                                                                                   Family # Pleurobranchaeidae - Pilsbry, 1896
                                                                                                           Genus # Pleurobranchaea - Meckel, 1813
                                                                                   Family # Pleurobranchidae - Gray, 1827
                                                                                                           Genus # Berthella - de Blainville, 1825
                                                                                                           Genus # Berthellina - Gardiner, 1936
                                                                                                           Genus # Gymnotoplax - Pilsbry, 1896
                                                                                                           Genus # Pleurobranchus - Cuvier, 1804
                                                                                   Family # Quijotidae - Ortea, Moro and Bacallado, 2016
                                                     Superorder # Pylopulmonata -  
                                                           Order # Amphibolida -  
                                                                 Suborder # Amphibolina -  
                                                                             Superfamily # Amphiboloidea - Gray, 1840
                                                                                   Family # Amphibolidae - Gray, 1840
                                                                                   Family # Maningrididae - Golding, Ponder and Byrne, 2007
                                                                                   Family # Phallomedusidae - Golding, Ponder and Byrne, 2007
                                                                 Suborder # Glacidorbina -  
                                                                             Superfamily # Glacidorboidea - Ponder, 1986
                                                                                   Family # Glacidorbidae - Ponder, 1986
                                                           Order # Pyramidellida -  
                                                                             Superfamily # Pyramidelloidea - Gray, 1840
                                                                                   Family # Amathinidae - Ponder, 1987
                                                                                                           Genus # Cyclothyca - Stearns, 1891
                                                                                                           Genus # Iselica - Dall, 1918
                                                                                   Family # Pyramidellidae - Gray, 1840
                                                                                                           Genus # Besla - Dall and Bartsch, 1904
                                                                                                           Genus # Boonea - Robertson, 1978
                                                                                                           Genus # Branchyostomia -  
                                                                                                           Genus # Careliopsis - Morch, 1875
                                                                                                           Genus # Chrysallida - Carpenter, 1857
                                                                                                           Genus # Cingulina - A. Adams, 1860
                                                                                                           Genus # Cyclostremella - Bush, 1897
                                                                                                           Genus # Eulimastoma - Bartsch, 1904
                                                                                                           Genus # Eulimella - Gray, 1847
                                                                                                           Genus # Evalea - A. Adams, 1860
                                                                                                           Genus # Fargoa - Robertson, 1978
                                                                                                           Genus # Herviera -  
                                                                                                           Genus # Hinemoa -  
                                                                                                           Genus # Houbricka - Wise, 1996
                                                                                                           Genus # Ividella - Dall and Bartsch, 1909
                                                                                                           Genus # Ividia - Dall and Bartsch, 1904
                                                                                                           Genus # Kleinella - A. Adams, 1860
                                                                                                           Genus # Koloonella -  
                                                                                                           Genus # Liostomia - G. O. Sars, 1878
                                                                                                           Genus # Menestho - Moller, 1842
                                                                                                           Genus # Milda - Dall and Bartsch, 1904
                                                                                                           Genus # Miralda - A. Adams, 1864
                                                                                                           Genus # Odostomella - Bucquoy, Dautzenberg and Dollfus, 1883
                                                                                                           Genus # Odostomia - Fleming, 1813
                                                                                                           Genus # Orinella - Dall and Bartsch, 1904
                                                                                                           Genus # Peristichia - Dall, 1889
                                                                                                           Genus # Petitilla - Wise, 1996
                                                                                                           Genus # Pseudoscilla - Boettger, 1901
                                                                                                           Genus # Pyramidella - Lamarck, 1799
                                                                                                           Genus # Pyrgulina -  
                                                                                                           Genus # Rissopsetia - Dell, 1956
                                                                                                           Genus # Sayella - Dall, 1885
                                                                                                           Genus # Trabecula - di Monterosato, 1884
                                                                                                           Genus # Triptychus - Morch, 1875
                                                                                                           Genus # Turbonilla - Risso, 1826
                                                     Superorder # Sacoglossa -  
                                                                             Superfamily # Oxynooidea - Stoliczka, 1868
                                                                                   Family # Cylindrobullidae - Thiele, 1931
                                                                                                           Genus # Cylindrobulla - P. Fischer, 1857
                                                                                   Family # Juliidae - E. A. Smith, 1885
                                                                                                           Genus # Berthelinia - Gardiner, 1936
                                                                                   Family # Oxynoidae - Stoliczka, 1868
                                                                                                           Genus # Lobiger - Krohn, 1847
                                                                                                           Genus # Oxynoe - Rafinesque, 1814
                                                                                   Family # Volvatellidae - Pilsbry, 1895
                                                                                                           Genus # Ascobulla - Ev. Marcus, 1972
                                                                                                           Genus # Volvatella - Newton, 1891
                                                                             Superfamily # Plakobranchoidea - Gray, 1840
                                                                                   Family # Costasiellidae - K. B. Clark, 1984
                                                                                                           Genus # Costasiella - Pruvoa-Fol, 1951
                                                                                   Family # Hermaeidae - H. Adams and A. Adams, 1854
                                                                                                           Genus # Aplysiopsis - Deshayes, 1835
                                                                                                           Genus # Caliphylla - A. Costa, 1867
                                                                                                           Genus # Cyerce - Bergh, 1870
                                                                                                           Genus # Hermaea - Lovén, 1844
                                                                                                           Genus # Hermaeopsis - Da Costa, 1869
                                                                                                           Genus # Mourgona - Er. Marcus and Ev. Marcus, 1970
                                                                                                           Genus # Phyllobranchillus - Pruvot-Fol, 1933
                                                                                                           Genus # Polybranchia - Pease, 1860
                                                                                   Family # Jenseneriidae - Ortea and Moro, 2015
                                                                                   Family # Limapontiidae - Gray, 1847
                                                                                                           Genus # Alderia - Allman, 1845
                                                                                                           Genus # Ercolania - Trinchese, 1872
                                                                                                           Genus # Limapontia - Johnston, 1836
                                                                                                           Genus # Olea - Agersborg, 1923
                                                                                                           Genus # Placida - Trinchese, 1876
                                                                                                           Genus # Stiliger - Ehrenberg, 1828
                                                                                   Family # Plakobranchidae - Gray, 1840
                                                                                                           Genus # Bosellia - Trinchese, 1891
                                                                                                           Genus # Elysia - Risso, 1818
                                                                                                           Genus # Thuridilla - Bergh, 1872
                                                                             Superfamily # Platyhedyloidea - Salvini-Plawen, 1973
                                                                                   Family # Platyhedylidae - Salvini-Plawen, 1973
                                                     Superorder # Siphonariia -  
                                                           Order # Siphonariida -  
                                                                             Superfamily # Siphonarioidea - Gray, 1827
                                                                                   Family # Siphonariidae - Gray, 1827
                                                                                                           Genus # Siphonaria - G. B. Sowerby I, 1823
                                                                                                           Genus # Williamia - Monterosato, 1884
                                                     Superorder # Stylommatophora -  
                                                           Order # Helicida -  
                                                                 Suborder # Achatinina -  
                                                                             Superfamily # Achatinoidea - Swainson, 1840
                                                                                   Family # Achatinidae - Swainson, 1840
                                                                                                           Genus # Achatina - Lamarck, 1799
                                                                                                           Genus # Allopeas - H. B. Baker, 1935
                                                                                                           Genus # Cecilioides - Férussac, 1814
                                                                                                           Genus # Lamellaxis - Strebel and Pfeffer, 1882
                                                                                                           Genus # Opeas - Albers, 1850
                                                                                                           Genus # Rumina - Risso, 1826
                                                                                                           Genus # Subulina - Beck, 1837
                                                                                   Family # Aillyidae - H. B. Baker, 1955
                                                                                   Family # Ferussaciidae - Bourguignat, 1883
                                                                                   Family # Micractaeonidae - Schileyko, 1999
                                                                             Superfamily # Streptaxoidea - Gray, 1860
                                                                                   Family # Diapheridae - Panha and Naggs, 2010
                                                                                   Family # Streptaxidae - Gray, 1860
                                                                                                           Genus # Huttonella - L. Pfeiffer, 1856
                                                                 Suborder # Helicina -  
                                                                             Superfamily # Coelociontoidea - Iredale, 1937
                                                                                   Family # Coelociontidae - Iredale, 1937
                                                                             Superfamily # Papillodermatoidea - Wiktor, Martin and Castillejo, 1990
                                                                                   Family # Papillodermatidae - Wiktor, Martin and Castillejo, 1990
                                                                             Superfamily # Plectopyloidea - Möllendorff, 1898
                                                                                   Family # Corillidae - Pilsbry, 1905
                                                                                   Family # Plectopylidae - Möllendorff, 1898
                                                                                   Family # Sculptariidae - Degner, 1923
                                                                             Superfamily # Punctoidea - Morse, 1864
                                                                                   Family # Charopidae - Hutton, 1884
                                                                                                           Genus # Radiodiscus - Pilsbry and Ferriss, 1906
                                                                                   Family # Cystopeltidae - Cockerell, 1891
                                                                                   Family # Discidae - Thiele, 1931
                                                                                                           Genus # Anguispira - E. S. Morse, 1864
                                                                                                           Genus # Discus - Fitzinger, 1833
                                                                                                           Genus # Speleodiscoides - A. G. Smith, 1957
                                                                                   Family # Endodontidae - Pilsbry, 1895
                                                                                   Family # Helicodiscidae - H. B. Baker, 1927
                                                                                                           Genus # Helicodiscus - E. S. Morse, 1864
                                                                                                           Genus # Polygyriscus - Pilsbry, 1948
                                                                                   Family # Oopeltidae - Cockerell, 1891
                                                                                   Family # Oreohelicidae - Pilsbry, 1939
                                                                                                           Genus # Oreohelix - Pilsbry, 1904
                                                                                                           Genus # Radiocentrum - Pilsbry, 1905
                                                                                   Family # Punctidae - Morse, 1864
                                                                                                           Genus # Paralaoma - Iredale, 1913
                                                                                                           Genus # Punctum - E. S. Morse, 1864
                                                                                                           Genus # Zonites - Montfort, 1810
                                                                             Superfamily # Testacelloidea - Gray, 1840
                                                                                   Family # Testacellidae - Gray, 1840
                                                                                                           Genus # Testacella - Cuvier, 1801
                                                                             Superfamily # Urocoptoidea - Pilsbry, 1898
                                                                                   Family # Cerionidae - Pilsbry, 1901
                                                                                                           Genus # Cerion - Röding, 1798
                                                                                   Family # Epirobiidae - F. G. Thompson, 2012
                                                                                   Family # Eucalodiidae - P. Fischer and Crosse, 1873
                                                                                   Family # Holospiridae - Pilsbry, 1946
                                                                                                           Genus # Holospira - Martens, 1860
                                                                                   Family # Urocoptidae - Pilsbry, 1898
                                                                                                           Genus # Bostrychocentrum -  
                                                                                                           Genus # Cochlodinella - Pilsbry and Vanatta, 1898
                                                                                                           Genus # Coelostemma - Dall, 1895
                                                                                                           Genus # Hendersoniella - Dall, 1905
                                                                                                           Genus # Metastoma - Strebel and Pfeffer, 1880
                                                                                                           Genus # Microceramus - Pilsbry and Vanatta, 1898
                                                                       Infraorder # Arionoidei -  
                                                                             Superfamily # Arionoidea - Gray, 1840
                                                                                   Family # Anadenidae - Pilsbry, 1948
                                                                                   Family # Ariolimacidae - Pilsbry and Vanatta, 1898
                                                                                   Family # Arionidae - Gray, 1840
                                                                                                           Genus # Anadenulus - Cockerell, 1890
                                                                                                           Genus # Ariolimax - Morch, 1859
                                                                                                           Genus # Arion - Ferussac, 1819
                                                                                                           Genus # Carinacauda - Leonard, Chichester, Richart and Young, 2011
                                                                                                           Genus # Gliabates - Webb, 1959
                                                                                                           Genus # Hemphillia - Bland and W. G. Binney, 1872
                                                                                                           Genus # Hesperarion - Simroth, 1891
                                                                                                           Genus # Magnipelta - Pilsbry, 1953
                                                                                                           Genus # Prophysaon - Bland and W. G. Binney, 1873
                                                                                                           Genus # Securicauda - Leonard, Chichester, Richart and Young, 2011
                                                                                                           Genus # Udosarx - Webb, 1954
                                                                                                           Genus # Zacoleus - Pilsbry, 1903
                                                                                   Family # Binneyidae - Cockerell, 1891
                                                                                                           Genus # Binneya - J. G. Cooper, 1863
                                                                                   Family # Philomycidae - Gray, 1847
                                                                                                           Genus # Megapallifera - Fairbanks, 1990
                                                                                                           Genus # Pallifera - E. S. Morse, 1864
                                                                                                           Genus # Philomycus - Rafinesque, 1820
                                                                       Infraorder # Clausilioidei -  
                                                                             Superfamily # Clausilioidea - Gray, 1855
                                                                                   Family # Clausiliidae - Gray, 1855
                                                                       Infraorder # Helicoidei -  
                                                                             Superfamily # Helicoidea Rafinesque, 1815 -  
                                                                                   Family # Camaenidae - Pilsbry, 1895
                                                                                                           Genus # Bradybaena - Beck, 1837
                                                                                                           Genus # Caracolus - Montfort, 1810
                                                                                                           Genus # Papustyla - Pilsbry, 1893
                                                                                   Family # Canariellidae - Schileyko, 1991
                                                                                   Family # Cepolidae - Ihering, 1909
                                                                                   Family # Echinichidae - F. G. Thompson and Naranjo-Garcia, 2012
                                                                                   Family # Elonidae - Gittenberger, 1977
                                                                                   Family # Geomitridae - C. Boettger, 1909
                                                                                                           Genus # Helicella - Férussac, 1821
                                                                                   Family # Helicidae - Rafinesque, 1815
                                                                                                           Genus # Cepaea - Held, 1837
                                                                                                           Genus # Eobania - P. Hesse, 1913
                                                                                                           Genus # Helix - Linnaeus, 1758
                                                                                                           Genus # Otala - Schumacher, 1817
                                                                                                           Genus # Theba - Risso, 1826
                                                                                   Family # Helicodontidae - Kobelt, 1904
                                                                                   Family # Hygromiidae - Tryon, 1866
                                                                                                           Genus # Candidula - Kobelt, 1871
                                                                                                           Genus # Cernuella - Schluter, 1838
                                                                                                           Genus # Cochlicella - Ferussac, 1820
                                                                                                           Genus # Monacha - Fitzinger, 1833
                                                                                                           Genus # Trichia - Hartmann, 1841
                                                                                                           Genus # Trochoidea - Brown, 1827
                                                                                   Family # Labyrinthidae - Borrero, Sei, Robinson and Rosenberg in Sei et al., 2017
                                                                                   Family # Pleurodontidae - Ihering, 1912
                                                                                   Family # Polygyridae - Pilsbry, 1895
                                                                                                           Genus # Allogona - Pilsbry, 1939
                                                                                                           Genus # Appalachina - Pilsbry, 1940
                                                                                                           Genus # Ashmunella - Pilsbry and Cockerell, 1899
                                                                                                           Genus # Cryptomastix - Pilsbry, 1939
                                                                                                           Genus # Daedalochila - Beck, 1837
                                                                                                           Genus # Euchemotrema - Archer, 1939
                                                                                                           Genus # Fumonelix - Emberton, 1991
                                                                                                           Genus # Hochbergellus - Roth and W. B. Miller, 1992
                                                                                                           Genus # Inflectarius - Pilsbry, 1940
                                                                                                           Genus # Linisa - Pilsbry, 1930
                                                                                                           Genus # Lobosculum - Pilsbry, 1930
                                                                                                           Genus # Mesodon - Rafinesque, 1821
                                                                                                           Genus # Millerelix - Pratt, 1981
                                                                                                           Genus # Neohelix - Ihering, 1892
                                                                                                           Genus # Patera - Albers, 1850
                                                                                                           Genus # Polygyra - Say, 1818
                                                                                                           Genus # Praticolella - von Martens, 1892
                                                                                                           Genus # Stenotrema - Rafinesque, 1819
                                                                                                           Genus # Trilobopsis - Pilsbry, 1939
                                                                                                           Genus # Triodopsis - Rafinesque, 1819
                                                                                                           Genus # Vespericola - Pilsbry, 1939
                                                                                                           Genus # Webbhelix - Emberton, 1988
                                                                                                           Genus # Xolotrema - Rafinesque, 1819
                                                                                   Family # Sphincterochilidae - Zilch, 1960
                                                                                   Family # Thysanophoridae - Pilsbry, 1926
                                                                                                           Genus # Hojeda - H. B. Baker, 1926
                                                                                                           Genus # Microphysula - Cockerell, 1926
                                                                                                           Genus # Thysanophora - Strebel and Pfeffer, 1880
                                                                                   Family # Trichodiscinidae - H. Nordsieck, 1987
                                                                                   Family # Trissexodontidae - H. Nordsieck, 1987
                                                                                   Family # Xanthonychidae - Strebel and Pfeffer, 1879
                                                                                                           Genus # Cahuillus - Roth, 1996
                                                                                                           Genus # Chamaearionta - Berry, 1930
                                                                                                           Genus # Eremarionta - Pilsbry, 1913
                                                                                                           Genus # Eremariontoides - Miller, 1981
                                                                                                           Genus # Helminthoglypta - Ancey, 1887
                                                                                                           Genus # Hemitrochus - Swainson, 1840
                                                                                                           Genus # Herpeteros - Berry, 1947
                                                                                                           Genus # Humboldtiana - Ihering, 1892
                                                                                                           Genus # Maricopella - Roth, 1996
                                                                                                           Genus # Micrarionta - Ancey, 1880
                                                                                                           Genus # Mohavelix - Berry, 1943
                                                                                                           Genus # Monadenia - Pilsbry, 1895
                                                                                                           Genus # Myotophallus - Pilsbry, 1939
                                                                                                           Genus # Noyo - Roth, 1996
                                                                                                           Genus # Plesarionta - Pilsbry, 1939
                                                                                                           Genus # Rothelix - Miller, 1985
                                                                                                           Genus # Sonorelix - Berry, 1943
                                                                                                           Genus # Sonorella - Pilsbry, 1900
                                                                                                           Genus # Xerarionta - Pilsbry, 1913
                                                                             Superfamily # Sagdoidea - Pilsbry, 1895
                                                                                   Family # Sagdidae - Pilsbry, 1895
                                                                                                           Genus # Lacteoluna - Pilsbry, 1926
                                                                                   Family # Solaropsidae - H. Nordsieck, 1986
                                                                                   Family # Zachrysiidae - Robinson, Sei and Rosenberg in Sei et al., 2017
                                                                                                           Genus # Zachrysia - Pilsbry, 1894
                                                                       Infraorder # Limacoidei -  
                                                                             Superfamily # Gastrodontoidea - Tryon, 1866
                                                                                   Family # Gastrodontidae - Tryon, 1866
                                                                                                           Genus # Gastrodonta - Albers, 1850
                                                                                   Family # Oxychilidae - Hesse, 1927
                                                                                                           Genus # Oxychilus - Fitzinger, 1833
                                                                                   Family # Pristilomatidae - Cockerell, 1891
                                                                                                           Genus # Pristiloma - Ancey, 1887
                                                                             Superfamily # Helicarionoidea - Bourguignat, 1877
                                                                                   Family # Ariophantidae - Godwin-Austen, 1888
                                                                                   Family # Helicarionidae - Bourguignat, 1877
                                                                                                           Genus # Dryachloa - F. G. Thompson and H. G. Lee, 1980
                                                                                                           Genus # Guppya - Morch, 1867
                                                                                   Family # Urocyclidae - Simroth, 1889
                                                                             Superfamily # Limacoidea - Batsch, 1789
                                                                                   Family # Agriolimacidae - H. Wagner, 1935
                                                                                   Family # Boettgerillidae - Wiktor and I. M. Likharev, 1979
                                                                                   Family # Limacidae - Batsch, 1789
                                                                                                           Genus # Deroceras - Rafinesque, 1820
                                                                                                           Genus # Lehmannia - Heynemann, 1863
                                                                                                           Genus # Limax - Linnaeus, 1758
                                                                                   Family # Vitrinidae - Fitzinger, 1833
                                                                                                           Genus # Vitrina - Draparnaud, 1801
                                                                             Superfamily # Parmacelloidea - P. Fischer, 1856
                                                                                   Family # Milacidae - Ellis, 1926
                                                                                                           Genus # Milax - Gray, 1855
                                                                                   Family # Parmacellidae - P. Fischer, 1856
                                                                                   Family # Trigonochlamydidae - Hesse, 1882
                                                                             Superfamily # Trochomorphoidea - Möllendorff, 1890
                                                                                   Family # Chronidae - Thiele, 1931
                                                                                   Family # Dyakiidae - Gude and B. B. Woodward, 1921
                                                                                   Family # Euconulidae - H. B. Baker, 1928
                                                                                                           Genus # Euconulus - Reinhardt, 1883
                                                                                   Family # Staffordiidae - Thiele, 1931
                                                                                   Family # Trochomorphidae - Möllendorff, 1890
                                                                             Superfamily # Zonitoidea - Mörch, 1864
                                                                                   Family # Zonitidae - Mörch, 1864
                                                                                                           Genus # Glyphyalinia - von Martens, 1892
                                                                                                           Genus # Hawaiia - Gude, 1911
                                                                                                           Genus # Mesomphix - Rafinesque, 1819
                                                                                                           Genus # Nesovitrea - C. M. Cooke, 1921
                                                                                                           Genus # Ogaridiscus - Chamberlin and Jonas, 1929
                                                                                                           Genus # Paravitrea - Pilsbry, 1898
                                                                                                           Genus # Pilsbryna - H. B. Baker, 1929
                                                                                                           Genus # Striatura - E. S. Morse, 1864
                                                                                                           Genus # Ventridens - Binney and Bland, 1869
                                                                                                           Genus # Vitrea - Fitzinger, 1833
                                                                                                           Genus # Vitrinizonites - W. G. Binney, 1879
                                                                                                           Genus # Zonitoides - Lehmann, 1862
                                                                       Infraorder # Oleacinoidei -  
                                                                             Superfamily # Haplotrematoidea - H. B. Baker, 1925
                                                                                   Family # Haplotrematidae - H. B. Baker, 1925
                                                                                                           Genus # Ancotrema - H. B. Baker, 1931
                                                                                                           Genus # Haplotrema - Ancey, 1881
                                                                             Superfamily # Oleacinoidea - H. Adams and A. Adams, 1855
                                                                                   Family # Oleacinidae - H. Adams and A. Adams, 1855
                                                                                                           Genus # Melaniella - L. Pfeiffer, 1857
                                                                                   Family # Spiraxidae - H. B. Baker, 1939
                                                                                                           Genus # Euglandina - P. Fischer and Crosse, 1870
                                                                                                           Genus # Pseudosubulina - Strebel and Pfeffer, 1882
                                                                       Infraorder # Orthalicoidei -  
                                                                             Superfamily # Orthalicoidea - Martens, 1860
                                                                                   Family # Amphibulimidae - P. Fischer, 1873
                                                                                   Family # Bothriembryontidae - Iredale, 1937
                                                                                   Family # Bulimulidae - Tryon, 1867
                                                                                                           Genus # Bulimulus - Leach, 1814
                                                                                                           Genus # Drymaeus - Albers, 1850
                                                                                                           Genus # Liguus - Montfort, 1810
                                                                                                           Genus # Naesiotus - Albers, 1850
                                                                                                           Genus # Rabdotus - Albers, 1850
                                                                                   Family # Megaspiridae - Pilsbry, 1904
                                                                                   Family # Odontostomidae - Pilsbry and Vanatta, 1898
                                                                                   Family # Orthalicidae - Martens, 1860
                                                                                                           Genus # Orthalicus - Beck, 1837
                                                                                   Family # Simpulopsidae - Schileyko, 1999
                                                                       Infraorder # Pupilloidei -  
                                                                             Superfamily # Pupilloidea - Turton, 1831
                                                                                   Family # Achatinellidae - Gulick, 1873
                                                                                                           Genus # Achatinella - Swainson, 1828
                                                                                   Family # Agardhiellidae - Harl and Páll-Gergely, 2017
                                                                                   Family # Amastridae - Pilsbry, 1910
                                                                                   Family # Argnidae - Hudec, 1965
                                                                                   Family # Azecidae - Watson, 1920
                                                                                   Family # Cerastidae - Wenz, 1923
                                                                                   Family # Chondrinidae - Steenberg, 1925
                                                                                   Family # Cochlicopidae - Pilsbry, 1900
                                                                                                           Genus # Cionella - Jeffreys, 1830
                                                                                                           Genus # Cochlicopa - Férussac, 1821
                                                                                   Family # Draparnaudiidae - Solem, 1962
                                                                                   Family # Enidae - B. B. Woodward, 1903
                                                                                   Family # Fauxulidae - Harl and Páll-Gergely, 2017
                                                                                   Family # Gastrocoptidae - Pilsbry, 1918
                                                                                                           Genus # Gastrocopta - Wollaston, 1878
                                                                                   Family # Lauriidae - Steenberg, 1925
                                                                                   Family # Odontocycladidae - Hausdorf, 1996
                                                                                   Family # Orculidae - Pilsbry, 1918
                                                                                   Family # Pagodulinidae - Pilsbry, 1924
                                                                                   Family # Partulidae - Pilsbry, 1900
                                                                                   Family # Pleurodiscidae - Wenz, 1923
                                                                                   Family # Pupillidae - Turton, 1831
                                                                                                           Genus # Bothriopupa - Pilsbry, 1898
                                                                                                           Genus # Chaenaxis - Pilsbry and Ferriss, 1906
                                                                                                           Genus # Columella - Westerlund, 1878
                                                                                                           Genus # Nearctula - Sterki, 1892
                                                                                                           Genus # Pupilla - Leach, 1828
                                                                                                           Genus # Pupisoma - Stoliczka, 1873
                                                                                                           Genus # Pupoides - L. Pfeiffer, 1854
                                                                                                           Genus # Sterkia - Pilsbry, 1898
                                                                                   Family # Pyramidulidae - Kennard and B. B. Woodward, 1914
                                                                                   Family # Spelaeoconchidae - A. J. Wagner, 1928
                                                                                   Family # Spelaeodiscidae - Steenberg, 1925
                                                                                   Family # Strobilopsidae - Wenz, 1915
                                                                                                           Genus # Strobilops - Pilsbry, 1893
                                                                                   Family # Truncatellinidae - Steenberg, 1925
                                                                                   Family # Valloniidae - Morse, 1864
                                                                                                           Genus # Planogyra - E. S. Morse, 1864
                                                                                                           Genus # Vallonia - Risso, 1826
                                                                                                           Genus # Zoogenetes - E. S. Morse, 1864
                                                                                   Family # Vertiginidae - Fitzinger, 1833
                                                                                                           Genus # Vertigo - O. F. Müller, 1773
                                                                       Infraorder # Rhytidoidei -  
                                                                             Superfamily # Rhytidoidea - Pilsbry, 1893
                                                                                   Family # Acavidae - Pilsbry, 1895
                                                                                   Family # Caryodidae - Conolly, 1915
                                                                                   Family # Clavatoridae - Thiele, 1926
                                                                                   Family # Dorcasiidae - Connolly, 1915
                                                                                   Family # Macrocyclidae - Thiele, 1926
                                                                                   Family # Megomphicidae - H. B. Baker, 1930
                                                                                                           Genus # Ammonitella - J. G. Cooper, 1868
                                                                                                           Genus # Glyptostoma - Bland and W. G. Binney, 1873
                                                                                                           Genus # Megomphix - H. B. Baker, 1930
                                                                                                           Genus # Polygyrella - W. G. Binney, 1863
                                                                                                           Genus # Polygyroidea - Pilsbry, 1930
                                                                                   Family # Rhytididae - Pilsbry, 1893
                                                                                   Family # Strophocheilidae - Pilsbry, 1902
                                                                       Infraorder # Succineoidei -  
                                                                             Superfamily # Athoracophoroidea - P. Fischer, 1883
                                                                                   Family # Athoracophoridae - P. Fischer, 1883
                                                                             Superfamily # Succineoidea - Beck, 1837
                                                                                   Family # Succineidae - Beck, 1837
                                                                                                           Genus # Catinella - Pease, 1870
                                                                                                           Genus # Novisuccinea - Pilsbry, 1948
                                                                                                           Genus # Oxyloma - Westerlund, 1885
                                                                                                           Genus # Succinea - Draparnaud, 1801
                                                                 Suborder # Scolodontina -  
                                                                             Superfamily # Scolodontoidea - H. B. Baker, 1925
                                                                                   Family # Scolodontidae - H. B. Baker, 1925
                                                     Superorder # Systellommatophora -  
                                                           Order # Onchidiida -  
                                                                             Superfamily # Onchidioidea - Rafinesque, 1815
                                                                                   Family # Onchidiidae - Rafinesque, 1815
                                                                                                           Genus # Onchidella - Gray, 1850
                                                           Order # Veronicellida -  
                                                                             Superfamily # Veronicelloidea - Gray, 1840
                                                                                   Family # Rathouisiidae - Heude, 1885
                                                                                   Family # Veronicellidae - Gray, 1840
                                                                                                           Genus # Angustipes - Colosi, 1922
                                                                                                           Genus # Diplosolenodes - Thome, 1976
                                                                                                           Genus # Laevicaulis - Simroth, 1913
                                                                                                           Genus # Leidyula - H. B. Baker, 1925
                                                                                                           Genus # Sarasinula - Grimpe and Hoffmann, 1924
                                                                                                           Genus # Sarasomia -  
                                                                                                           Genus # Veronicella - de Blainville, 1817
                                               Infraclass # Neritimorpha -  
                                                           Order # Neritopsida -  
                                                                 Suborder # Helicinina -  
                                                                             Superfamily # Helicinoidea - Férussac, 1822
                                                                                   Family # Helicinidae - Férussac, 1822
                                                                                                           Genus # Alcadia - Gray, 1840
                                                                                                           Genus # Lucidella - Swainson, 1840
                                                                                                           Genus # Oligyra - Say, 1818
                                                                                         Subfamily # Helicininae - Férussac, 1822
                                                                                                           Genus # Bourciera - Pfeiffer, 1852
                                                                                                           Genus # Helicina - Lamarck, 1799
                                                                                                           Genus # Hemipoma - Wagner, 1905
                                                                                                           Genus # Ogasawarana - Wagner, 1905
                                                                                                           Genus # Olygyra - Say, 1818
                                                                                                           Genus # Orobophana - Wagner, 1905
                                                                                                           Genus # Pleuropoma - Moellendorff, 1893
                                                                                                           Genus # Schasicheila - Shuttleworth, 1852
                                                                                                           Genus # Stoastoma - C. B. Adams, 1849
                                                                                                           Genus # Stoastomops - H. B. Baker, 1924
                                                                                                           Genus # Sturanya - Wagner, 1905
                                                                                         Subfamily # Hendersoniinae - H. B. Baker, 1926
                                                                                                           Genus # Hendersonia - A. J. Wagner, 1905
                                                                                                           Genus # Waldemaria - Wagner, 1905
                                                                                         Subfamily # Vianinae -  
                                                                                                           Genus # Calidviana - H. B. Baker, 1954
                                                                                                           Genus # Calybium - Morelet, 1881
                                                                                                           Genus # Eutrochaetella - Fischer, 1885
                                                                                                           Genus # Geophorus - Fischer, 1885
                                                                                                           Genus # Heudeia - Crosse, 1885
                                                                                                           Genus # Pseudotrochatella - Nevill, 1891
                                                                                                           Genus # Pyrgodomus - Fischer and Crosse, 1893
                                                                                                           Genus # Viana - H. and A. Adams, 1856
                                                                                   Family # Proserpinellidae - H. B. Baker, 1923
                                                                                                           Genus # Archecharax - Thompson, 1980
                                                                                                           Genus # Ceres - Gray, 1856
                                                                                                           Genus # Linidiella - Jousseaume, 1889
                                                                                                           Genus # Proserpinella - Bland, 1865
                                                                                                           Genus # Staffola - Dall, 1905
                                                                                   Family # Proserpinidae - Gray, 1847
                                                                                                           Genus # Proserpina - G. B. Sowerby, 1839
                                                                             Superfamily # Neritilioidea - Schepman, 1908
                                                                                   Family # Neritiliidae - Schepman, 1908
                                                                                                           Genus # Neritilia - Van Martens, 1879
                                                                                                           Genus # Pisulina - G. and H. Nevill, 1869
                                                                                   Family # Phenacolepadidae - Pilsbry, 1895
                                                                                                           Genus # Plesiothyreus - Cossmann, 1888
                                                                 Suborder # Hydrocenina -  
                                                                             Superfamily # Hydrocenoidea - Troschel, 1857
                                                                                   Family # Hydrocenidae - Troschel, 1857
                                                                                                           Genus # Georissa - Blanford, 1884
                                                                                                           Genus # Hydrocena - Preiffer, 1841
                                                                                                           Genus # Lapidaria - Kang, 1986
                                                                 Suborder # Neritina -  
                                                                             Superfamily # Neritoidea -  
                                                                                   Family # Neritidae - Rafinesque, 1815
                                                                                                           Genus # Magadis - Melville and Standen, 1899
                                                                                                           Genus # Nerita - Linnaeus, 1758
                                                                                                           Genus # Neritina - Lamarck, 1816
                                                                                                           Genus # Neritodryas - Von Martens, 1869
                                                                                                           Genus # Puperita - Gray, 1857
                                                                                                           Genus # Septaria - J. Férussac, 1807
                                                                                                           Genus # Septariellina - Bequaert and Clench, 1936
                                                                                                           Genus # Smaragdia - Issel, 1869
                                                                                                           Genus # Tanzaniella - Lupu, 1979
                                                                                                           Genus # Theodoxus - Montfort, 1810
                                                                 Suborder # Neritopsina -  
                                                                             Superfamily # Neritopsoidea - Gray, 1847
                                                                                   Family # Neritopsidae - Gray, 1847
                                                                                                           Genus # Neritopsis - Grateloup, 1832
                                                                                   Family # Titiscaniidae - Bergh, 1890
                                                                                                           Genus # Titiscania - Bergh, 1890
                                               Infraclass # Vetigastropoda -  
                                                     Superorder # Trochia -  
                                                                                                           Genus # Moelleriopsis - Bush, 1897
                                                           Order # Fissurellida -  
                                                                 Suborder # Fissurellina -  
                                                                             Superfamily # Fissurelloidea - Fleming, 1822
                                                                                   Family # Fissurellidae - Fleming, 1822
                                                                                                           Genus # Cranopsis - A. Adams, 1860
                                                                                                           Genus # Diodora - J. E. Gray, 1821
                                                                                                           Genus # Emarginula - Lamarck, 1801
                                                                                                           Genus # Fissurella - Bruguiere, 1789
                                                                                                           Genus # Fissurellidea - D'Orbigny, 1841
                                                                                                           Genus # Hemitoma - Swainson, 1840
                                                                                                           Genus # Laevinesta - Pilsbry and McGinty, 1952
                                                                                                           Genus # Lucapina - G. B. Sowerby II, 1835
                                                                                                           Genus # Lucapinella - Pilsbry, 1890
                                                                                                           Genus # Megatebennus - Pilsbry, 1890
                                                                                                           Genus # Megathura - Pilsbry, 1890
                                                                                                           Genus # Puncturella - R. T. Lowe, 1827
                                                                                                           Genus # Rimula - DeFrance, 1827
                                                                                                           Genus # Scelidotoma - Choe, Yoon and Habe, 1992
                                                                                         Subfamily # Diodorinae -  
                                                                                                           Genus # Stromboli - Berry, 1954
                                                                                         Subfamily # Emarginulinae -  
                                                                                                           Genus # Clypidina - Gray, 1847
                                                                                                           Genus # Emarginella - Pilsbry, 1890
                                                                                                           Genus # Fissurisepta - Sequenza, 1863
                                                                                                           Genus # Laeviemarginula - Habe In Kuroda, 1953
                                                                                                           Genus # Nesta - H. Adams, 1870
                                                                                                           Genus # Notomella - Cotton, 1957
                                                                                                           Genus # Scutus - Montfort, 1810
                                                                                                           Genus # Tugali - Gray In Dieffenbach, 1843
                                                                                                           Genus # Zeidora - A. Adams, 1860
                                                                                         Subfamily # Fissurellidinae -  
                                                                                                           Genus # Buchanania - Lesson, 1830
                                                                                                           Genus # Leurolepas - J. H. McLean, 1970
                                                                                                           Genus # Pupilaea - Gray In Sowerby, 1835
                                                                                         Subfamily # Fissurellinae -  
                                                                                                           Genus # Cosmetalepas - Iredale, 1924
                                                                                                           Genus # Dendrofissurella - Mclean and Kilburn, 1986
                                                                                                           Genus # Macrochisma - Sowerby, 1839
                                                                                                           Genus # Medusafissurella - Mclean and Kilburn, 1986
                                                                                                           Genus # Montfortula - Iredale, 1915
                                                                                                           Genus # Montfortulana - Habe, 1961
                                                                 Suborder # Scissurellina -  
                                                                             Superfamily # Lepetodriloidea - McLean, 1988
                                                                                   Family # Lepetodrilidae - McLean, 1988
                                                                                                           Genus # Gorgoleptis - Mclean, 1988
                                                                                                           Genus # Lepetodrilus - Mclean, 1988
                                                                                   Family # Sutilizonidae - McLean, 1989
                                                                             Superfamily # Scissurelloidea - Gray, 1847
                                                                                   Family # Anatomidae - McLean, 1989
                                                                                                           Genus # Anatoma - Fleming, 1828
                                                                                   Family # Larocheidae - Finlay, 1927
                                                                                   Family # Scissurellidae - Gray, 1847
                                                                                                           Genus # Coronadoa - Bartsch, 1946
                                                                                                           Genus # Incisura - Hedley, 1904
                                                                                                           Genus # Scissurella - D'Orbigny, 1824
                                                                                                           Genus # Sinezona - Finlay, 1927
                                                                                                           Genus # Sukashitrochus - Habe and Kosuge, 1964
                                                           Order # Haliotida -  
                                                                             Superfamily # Haliotoidea -  
                                                                                   Family # Haliotidae - Rafinesque, 1815
                                                                                                           Genus # Haliotis - Linnaeus, 1758
                                                           Order # Lepetellida -  
                                                                             Superfamily # Lepetelloidea - Dall, 1882
                                                                                   Family # Addisoniidae - Dall, 1882
                                                                                                           Genus # Addisonia - Dall, 1882
                                                                                   Family # Bathyphytophilidae - Moskalev, 1978
                                                                                                           Genus # Aenigmabonus - Moskalev, 1978
                                                                                                           Genus # Bathyphytophilus - Moskalev, 1978
                                                                                   Family # Caymanabyssiidae - B. A. Marshall, 1986
                                                                                   Family # Cocculinellidae - Moskalev, 1971
                                                                                                           Genus # Cocculinella - Thiele, 1909
                                                                                   Family # Lepetellidae - Dall, 1882
                                                                                                           Genus # Lepetella - Verrill, 1880
                                                                                                           Genus # Tecticrater - Dall, 1956
                                                                                                           Genus # Tectisumen - Finley, 1927
                                                                                   Family # Osteopeltidae - B. A. Marshall, 1987
                                                                                                           Genus # Osteopelta - Marshall, 1987
                                                                                   Family # Pseudococculinidae - Hickman, 1983
                                                                                                           Genus # Kaiparapelta - B. A. Marshall, 1986
                                                                                         Subfamily # Caymanabyssiinae -  
                                                                                                           Genus # Amphiplica - Haszprunar, 1988
                                                                                                           Genus # Caymanabyssia - Moskalev, 1976
                                                                                                           Genus # Colotrachelus - Marshall, 1986
                                                                                                           Genus # Copulabyssia - Haszprunar, 1988
                                                                                                           Genus # Yaquinabyssia - Haszprunar, 1988
                                                                                         Subfamily # Pseudococculininae -  
                                                                                                           Genus # Bandabyssia - Moskalev, 1976
                                                                                                           Genus # Kurilabyssia - Moskalev, 1976
                                                                                                           Genus # Mesopelex - Marshall, 1986
                                                                                                           Genus # Notocrater - Finley, 1927
                                                                                                           Genus # Pseudococulina - Schepman, 1908
                                                                                                           Genus # Tentaoculus - Moskalev, 1976
                                                                                   Family # Pyropeltidae - McLean and Haszprunar, 1987
                                                                                                           Genus # Pyropelta - Mclean and Haszprunar, 1987
                                                           Order # Neomphalida -  
                                                                 Suborder # Cocculinina -  
                                                                             Superfamily # Cocculinoidea - Dall, 1882
                                                                                   Family # Bathysciadiidae - Dautzenberg and H. Fischer, 1900
                                                                                                           Genus # Bathypelta - Moskalev, 1971
                                                                                                           Genus # Bathysciadium - Dautzenberf and Fischer, 1901
                                                                                                           Genus # Bonus - Moskalev, 1971
                                                                                   Family # Cocculinidae - Dall, 1882
                                                                                                           Genus # Coccocrater - Haszpruner, 1987
                                                                                                           Genus # Coccopigya - Marshall, 1986
                                                                                                           Genus # Cocculina - Dall, 1882
                                                                                                           Genus # Fedikovella - Moskalev, 1976
                                                                                                           Genus # Paracocculina - Haszprunar, 1987
                                                                                                           Genus # Teuthirostra - Moskalev, 1976
                                                                 Suborder # Neomphalina -  
                                                                             Superfamily # Neomphaloidea - McLean, 1981
                                                                                   Family # Melanodrymiidae - Salvini-Plawen and Steiner, 1995
                                                                                   Family # Neomphalidae - McLean, 1981
                                                                                   Family # Peltospiridae - McLean, 1989
                                                           Order # Pleurotomariida -  
                                                                             Superfamily # Pleurotomarioidea - Swainson, 1840
                                                                                   Family # Pleurotomariidae - Swainson, 1840
                                                                                                           Genus # Entemnotrochus - Fischer, 1885
                                                                                                           Genus # Mikadotrochus - Lindholm, 1927
                                                                                                           Genus # Perotrochus - P. Fischer, 1885
                                                           Order # Seguenziida -  
                                                                             Superfamily # Seguenzioidea - Verrill, 1884
                                                                                   Family # Cataegidae - McLean and Quinn, 1987
                                                                                         Subfamily # Cataeginae -  
                                                                                                           Genus # Cataegis - Mclean and Quinn, 1987
                                                                                   Family # Chilodontaidae - Wenz, 1938
                                                                                   Family # Choristellidae - Bouchet and Warén, 1979
                                                                                                           Genus # Choristella - Bush, 1897
                                                                                   Family # Eucyclidae - Koken, 1896
                                                                                   Family # Eudaroniidae - Gründel, 2004
                                                                                   Family # Pendromidae - Warén, 1991
                                                                                   Family # Seguenziidae - Verrill, 1884
                                                                                                           Genus # Ancistrobasis - Dall, 1889
                                                                                                           Genus # Asthelys - Quinn, 1987
                                                                                                           Genus # Basilissa - Watson, 1879
                                                                                                           Genus # Basilissopsis - Dautzenberg and Fischer, 1897
                                                                                                           Genus # Calliobasis - Marshall, 1983
                                                                                                           Genus # Carenzia - Quinn, 1983
                                                                                                           Genus # Fluxinella - Marshall, 1983
                                                                                                           Genus # Guttula - Schepman, 1908
                                                                                                           Genus # Hadroconus - Quinn, 1987
                                                                                                           Genus # Rotellenzia - Quinn, 1987
                                                                                                           Genus # Seguenzia - Jeffreys, 1876
                                                                                                           Genus # Seguenziella - Marshall, 1983
                                                                                                           Genus # Seguenziopsis - Marshall, 1983
                                                                                                           Genus # Thelyssa - F. M. Bayer, 1971
                                                                                                           Genus # Thelyssina - Marshall, 1883
                                                                                   Family # Trochaclididae - Thiele, 1928
                                                                                                           Genus # Trochaclis - Thiele, 1912
                                                           Order # Trochida -  
                                                                             Superfamily # Trochoidea - Rafinesque, 1815
                                                                                                           Genus # Brookula - Iredale, 1912
                                                                                   Family # Angariidae - Gray, 1857
                                                                                         Subfamily # Angariinae -  
                                                                                                           Genus # Angaria - Roeding, 1798
                                                                                   Family # Areneidae - McLean, 2012
                                                                                                           Genus # Arene - H. Adams and A. Adams, 1854
                                                                                   Family # Calliostomatidae - Thiele, 1924
                                                                                                           Genus # Calliostoma - Swainson, 1840
                                                                                   Family # Colloniidae - Cossmann, 1917
                                                                                   Family # Conradiidae - Golikov and Starobogatov, 1987
                                                                                                           Genus # Conjectura - Finlay, 1926
                                                                                                           Genus # Crosseola - Iredale, 1924
                                                                                   Family # Liotiidae - Gray, 1850
                                                                                                           Genus # Cyclostrema - Marryat, 1818
                                                                                                           Genus # Munditia - Finlay, 1926
                                                                                                           Genus # Pterarene - Sakurai and Habe, 1977
                                                                                         Subfamily # Liotiinae -  
                                                                                                           Genus # Cinysca - Kilburn, 1970
                                                                                                           Genus # Ilaira - H. and A. Adams, 1854
                                                                                                           Genus # Liotina - Fischer, 1885
                                                                                   Family # Margaritidae - Thiele, 1924
                                                                                         Subfamily # Margaritinae -  
                                                                                                           Genus # Agathodonta - Cossmann, 1918
                                                                                                           Genus # Anxietas - Iredale, 1917
                                                                                                           Genus # Danilia - Brusina, 1865
                                                                                                           Genus # Echinogurges - Quinn, 1979
                                                                                                           Genus # Granata - Cotton, 1957
                                                                                                           Genus # Hybochelus - Pilsbry, 1899
                                                                                                           Genus # Lischkeia - Fischer, 1879
                                                                                                           Genus # Olivia - Cantraine, 1835
                                                                                                           Genus # Putzeysia - Sulliotti, 1889
                                                                                                           Genus # Tibatrochus - Nonura, 1940
                                                                                                           Genus # Tropidomarga - Powell, 1951
                                                                                   Family # Phasianellidae - Swainson, 1840
                                                                                                           Genus # Tricolia - Risso, 1826
                                                                                   Family # Skeneidae - W. Clark, 1851
                                                                                                           Genus # Caporbis - Bartsch, 1915
                                                                                                           Genus # Cirsonella - Angas, 1877
                                                                                                           Genus # Crossea - A. Adams, 1865
                                                                                                           Genus # Daronia - A. Adams, 1881
                                                                                                           Genus # Dillwynella - Dall, 1889
                                                                                                           Genus # Ganesa - Jeffreys, 1883
                                                                                                           Genus # Haplocochlias - Carpenter, 1864
                                                                                                           Genus # Leptogyra - Bush, 1897
                                                                                                           Genus # Leucorhynchia - Crosse, 1867
                                                                                                           Genus # Lissotesta - Iredale, 1915
                                                                                                           Genus # Lissotestella - Powell, 1948
                                                                                                           Genus # Lophocochlias - Pilsbry, 1921
                                                                                                           Genus # Parviturbo - Pilsbry and McGinty, 1945
                                                                                                           Genus # Philorene - Oliver, 1915
                                                                                                           Genus # Pondorbis - Bartsch, 1915
                                                                                                           Genus # Putilla - A. Adams, 1867
                                                                                                           Genus # Rhodinoliotia - Tomlin and Shackleford, 1915
                                                                                                           Genus # Skenea - Fleming, 1825
                                                                                                           Genus # Spinobrookula - Lozouet, 1982
                                                                                                           Genus # Srilankaia - Mienis, 1974
                                                                                                           Genus # Tharsiella - Bush, 1897
                                                                                                           Genus # Tholopex - Digeronimo, 1974
                                                                                                           Genus # Tubiola - A. Adams, 1863
                                                                                                           Genus # Zalipais - Iredale, 1915
                                                                                   Family # Solariellidae - Powell, 1951
                                                                                                           Genus # Ilanga - Herbert, 1987
                                                                                                           Genus # Minolia - A. Adams, 1860
                                                                                                           Genus # Solariella - S. V. Wood, 1842
                                                                                                           Genus # Spectamen - Iredale, 1924
                                                                                   Family # Tegulidae - Kuroda, Habe and Oyama, 1971
                                                                                                           Genus # Tegula - Lesson, 1835
                                                                                   Family # Trochidae - Rafinesque, 1815
                                                                                                           Genus # Bathybembix - Crosse, 1893
                                                                                                           Genus # Broderipia - Gray, 1847
                                                                                                           Genus # Calliotropis - Seguenza, 1903
                                                                                                           Genus # Cidarina - Dall, 1909
                                                                                                           Genus # Cittarium - Philippi, 1847
                                                                                                           Genus # Dentistyla - Dall, 1889
                                                                                                           Genus # Euchelus - Philippi, 1847
                                                                                                           Genus # Gaza - Watson, 1879
                                                                                                           Genus # Halistylus - Dall, 1890
                                                                                                           Genus # Lamellitrochus - Quinn, 1991
                                                                                                           Genus # Lirularia - Dall, 1909
                                                                                                           Genus # Margarites - J. E. Gray, 1847
                                                                                                           Genus # Microgaza - Dall, 1881
                                                                                                           Genus # Mirachelus - Woodring, 1928
                                                                                                           Genus # Norrisia - Bayle, 1880
                                                                                                           Genus # Pseudostomatella - Thiele, 1924
                                                                                                           Genus # Stomatella - Lamarck, 1816
                                                                                                           Genus # Stomatia - Helbling, 1779
                                                                                                           Genus # Synaptocochlea - Pilsbry, 1890
                                                                                                           Genus # Thaltia -  
                                                                                                           Genus # Turcica - A. Adams, 1854
                                                                                         Subfamily # Calliostomatinae -  
                                                                                                           Genus # Astele - Swainson, 1855
                                                                                                           Genus # Falsimargarita - Powell, 1951
                                                                                                           Genus # Photinastoma - Powell, 1951
                                                                                                           Genus # Photinula - H. and A. Adams In Adams, 1853
                                                                                                           Genus # Venustatrochus - Powell, 1951
                                                                                         Subfamily # Gibbulinae -  
                                                                                                           Genus # Fossarina - A. Adams and Angas, 1864
                                                                                                           Genus # Gibbula -  
                                                                                                           Genus # Nanula - Thiele, 1924
                                                                                                           Genus # Phorculus - Cossmann, 1888
                                                                                                           Genus # Trochinella - Iredale, 1937
                                                                                         Subfamily # Halistylinae -  
                                                                                                           Genus # Botelloides - Strand, 1928
                                                                                                           Genus # Charisma - Hedley, 1915
                                                                                         Subfamily # Monodontinae -  
                                                                                                           Genus # Bankivia - Beck In Krauss
                                                                                                           Genus # Cantharidus - Montfort, 1810
                                                                                                           Genus # Chrysostoma - Swainson, 1840
                                                                                                           Genus # Diloma - Philippi, 1845
                                                                                                           Genus # Jujubinus - Monterosato, 1884
                                                                                                           Genus # Monodonta - Lamarck, 1799
                                                                                                           Genus # Thalotia - Gray, 1840
                                                                                         Subfamily # Planitrochinae -  
                                                                                                           Genus # Planitrochus - Perner, 1903
                                                                                         Subfamily # Trochinae -  
                                                                                                           Genus # Canculus - Montfort, 1810
                                                                                                           Genus # Oligomeria - Galkin and Golikov, 1985
                                                                                                           Genus # Pseudotalopia - Habe, 1961
                                                                                                           Genus # Talopena - Iredale, 1918
                                                                                                           Genus # Tectus - Montfort, 1810
                                                                                                           Genus # Trochus - Linnaeus, 1758
                                                                                         Subfamily # Umboniinae -  
                                                                                                           Genus # Antisolarium - Finlay, 1927
                                                                                                           Genus # Callumbonella - Thiele, 1924
                                                                                                           Genus # Ethminolia - Iredale, 1924
                                                                                                           Genus # Isanda - H. and A. Adams, 1854
                                                                                                           Genus # Monilea - Swainson, 1840
                                                                                                           Genus # Rossiteria - Brazier, 1895
                                                                                                           Genus # Umbonium - Link, 1807
                                                                                   Family # Turbinidae - Rafinesque, 1815
                                                                                                           Genus # Astralium - Link, 1807
                                                                                                           Genus # Didianema - Woodring, 1928
                                                                                                           Genus # Eulithidium - Pilsbry, 1898
                                                                                                           Genus # Gabrielona - Iredale, 1917
                                                                                                           Genus # Homalopoma - Carpenter, 1864
                                                                                                           Genus # Liotia - G. B. Sowerby I, 1834
                                                                                                           Genus # Lithopoma - Gray, 1850
                                                                                                           Genus # Macrarene - Hertlein and Strong, 1951
                                                                                                           Genus # Megastraea - J. H. McLean, 1970
                                                                                                           Genus # Moelleria - Jeffreys, 1865
                                                                                                           Genus # Spiromoelleria - Baxter and J. H. McLean, 1984
                                                                                                           Genus # Turbo - Linnaeus, 1758
                                                                                         Subfamily # Acremodontinae -  
                                                                                                           Genus # Acremodonta - Marshall, 1983
                                                                                         Subfamily # Astraeinae - Davies, 1933
                                                                                                           Genus # Astraea - Röding, 1798
                                                                                                           Genus # Bolma - Risso, 1826
                                                                                                           Genus # Cookia - Lesson, 1832
                                                                                                           Genus # Guildfordia - Gray, 1850
                                                                                                           Genus # Pomaulax - Gray, 1850
                                                                                         Subfamily # Homalopomatinae -  
                                                                                                           Genus # Cirsochilus - Cossmann, 1888
                                                                                                           Genus # Leptocollonia - Powell, 1951
                                                                                                           Genus # Leptothyra - Pease, 1869
                                                                                                           Genus # Panocochlea - Dall, 1908
                                                                                         Subfamily # Turbininae -  
                                                                                                           Genus # Prisogaster - Moerch, 1850
                                   Class # Monoplacophora -  
                                                           Order # Neopilinida -  
                                                                             Superfamily # Neopilinoidea -  
                                                                                   Family # Neopilinidae -  
                                                                                                           Genus # Laevipilina - McLean, 1979
                                                                                                           Genus # Neopilina - Lemche, 1957
                                                           Order # Tryblidiida -  
                                                                             Superfamily # Tryblidioidea -  
                                                                                   Family # Tryblidiidae -  
                                   Class # Polyplacophora - Blainvillle, 1816
                                         Subclass # Neoloricata -  
                                                           Order # Chitonida -  
                                                                 Suborder # Acanthochitonina - Bergenhayn, 1930
                                                                                   Family # Acanthochitonidae - Pilsbry, 1893
                                                                                                           Genus # Acanthochitona - Gray, 1821
                                                                                                           Genus # Americhiton - Watters, 1990
                                                                                                           Genus # Craspedochiton - Shuttleworth, 1853
                                                                                                           Genus # Cryptochiton - Middendorff, 1847
                                                                                                           Genus # Cryptoconchus - Blainville in Burrow, 1815
                                                                                                           Genus # Notoplax - H. Adams, 1861
                                                                                   Family # Choriplacidae - Ashby, 1928
                                                                                                           Genus # Choriplax - Pilsbry, 1894
                                                                                   Family # Cryptoplacidae - H. Adams and A. Adams, 1958
                                                                                                           Genus # Choneplax - Dall, 1882
                                                                                                           Genus # Cryptoplax - Blainville, 1818
                                                                                   Family # Mopaliidae - Dall, 1889
                                                                                                           Genus # Amicula - Gray, 1847
                                                                                                           Genus # Katharina - Gray, 1847
                                                                                                           Genus # Mopalia - Gray, 1847
                                                                                                           Genus # Placiphorella - Dall, 1879
                                                                                                           Genus # Placiphorina - Kaas and Van Belle, 1993
                                                                                                           Genus # Plaxiphora - Gray, 1847
                                                                 Suborder # Chitonina -  
                                                                                   Family # Chitonidae - Rafinesque, 1815
                                                                                                           Genus # Acanthopleura - Guilding, 1829
                                                                                                           Genus # Chiton - Linnaeus, 1758
                                                                                                           Genus # Enoplochiton - Gray, 1847
                                                                                                           Genus # Liolophura - Pilsbry, 1893
                                                                                                           Genus # Onithochiton - Gray, 1847
                                                                                                           Genus # Squamopleura - Nierstrasz, 1905
                                                                                                           Genus # Tonicia - Gray, 1847
                                                                                   Family # Ischnochitonidae - Dall, 1889
                                                                                                           Genus # Callistochiton - Dall, 1879
                                                                                                           Genus # Callistoplax - Dall, 1882
                                                                                                           Genus # Callochiton - Gray, 1847
                                                                                                           Genus # Calloplax - Thiele, 1909
                                                                                                           Genus # Ceratozona - Dall, 1882
                                                                                                           Genus # Chaetopleura - Shuttleworth, 1853
                                                                                                           Genus # Connexochiton - Kaas, 1979
                                                                                                           Genus # Dinoplax - Dall, 1882
                                                                                                           Genus # Eudoxochiton - Shuttleworth, 1853
                                                                                                           Genus # Ischnochiton - Gray, 1847
                                                                                                           Genus # Ischnoplax - Dall, 1879
                                                                                                           Genus # Juvenichiton - Sirenko, 1975
                                                                                                           Genus # Lepidochitona - Gray, 1821
                                                                                                           Genus # Lepidozona - Pilsbry, 1892
                                                                                                           Genus # Nuttallina - Dall, 1871
                                                                                                           Genus # Nuttallochiton - Plate, 1899
                                                                                                           Genus # Particulazona - Kaas, 1993
                                                                                                           Genus # Schizoplax - Dall, 1878
                                                                                                           Genus # Stenochiton - H. Adams and Angas, 1864
                                                                                                           Genus # Stenoplax - Dall, 1879
                                                                                                           Genus # Stenosemus - von Middendorff, 1847
                                                                                                           Genus # Subterenochiton - Iredale & Hull, 1924
                                                                                                           Genus # Thermochiton - Saito and Okutani, 1991
                                                                                                           Genus # Tonicella - Carpenter, 1873
                                                                                                           Genus # Tonicina - Thiele, 1906
                                                                                                           Genus # Vermichiton - Kaas, 1990
                                                                                   Family # Schizochitonidae - Dall, 1889
                                                                                                           Genus # Lorica - H. Adams and A. Adams, 1852
                                                                                                           Genus # Loricella - Pilsbry, 1893
                                                                                                           Genus # Schizochiton - Gray, 1847
                                                           Order # Lepidopleurida -  
                                                                 Suborder # Lepidopleurina - Thiele, 1910
                                                                                   Family # Hanleyidae - Bergenhayn, 1955
                                                                                                           Genus # Hanleya - Gray, 1857
                                                                                                           Genus # Hemiarthrum - Carpenter in Dall, 1876
                                                                                                           Genus # Weedingia - Kaas, 1988
                                                                                                           Genus # Xylochiton - Gowlett-Holmes and Jones, 1992
                                                                                   Family # Leptochitonidae - Dall, 1889
                                                                                                           Genus # Ferreiraella - Sirenko, 1988
                                                                                                           Genus # Hanleyella - Sirenko, 1973
                                                                                                           Genus # Lepidopleurus - Risso, 1826
                                                                                                           Genus # Leptochiton - Gray, 1847
                                                                                                           Genus # Oldroydia - Dall, 1894
                                   Class # Scaphopoda - Bronn, 1862
                                                           Order # Dentaliida - da Costa, 1776
                                                                             Superfamily # Dentalioidea -  
                                                                                   Family # Anulidentaliidae - Chistikov, 1975
                                                                                                           Genus # Anulidentalium - Chistikov, 1975
                                                                                                           Genus # Epirhabdoides - Steiner, 1999
                                                                                   Family # Baltodentaliidae -  
                                                                                   Family # Calliodentaliidae - Chistikov, 1975
                                                                                                           Genus # Calliodentalium - Habe, 1964
                                                                                   Family # Dentaliidae - Children, 1834
                                                                                                           Genus # Antalis - H. & A. Adams, 1854
                                                                                                           Genus # Coccodentalium - Sacco, 1896
                                                                                                           Genus # Compressidentalium - Habe, 1963
                                                                                                           Genus # Dentalium - Linnaeus, 1758
                                                                                                           Genus # Eudentalium - Cotton & Godfrey, 1933
                                                                                                           Genus # Fissidentalium - Fischer, 1885
                                                                                                           Genus # Graptacme - Pilsbry & Sharp, 1897
                                                                                                           Genus # Paradentalium - Cotton & Godfrey, 1933
                                                                                                           Genus # Pictodentalium - Palmer, 1974
                                                                                                           Genus # Plagioglypta - Pilsbry in Pilsbry & Sharp, 1897
                                                                                                           Genus # Schizodentalium - Sowerby, 1894
                                                                                                           Genus # Striodentalium - Habe, 1964
                                                                                                           Genus # Tesseracme - Pilsbry & Sharp, 1897
                                                                                   Family # Fustiariidae - Steiner, 1991
                                                                                                           Genus # Fustiaria - Stoliczka, 1868
                                                                                   Family # Gadilinidae - Chistikov, 1975
                                                                                         Subfamily # Episiphoninae - Chistikov, 1975
                                                                                                           Genus # Episiphon - Pilsbry & Sharp, 1897
                                                                                         Subfamily # Gadilininae - Chistikov, 1975
                                                                                                           Genus # Gadilina - Foresti, 1895
                                                                                   Family # Laevidentaliidae - Palmer, 1974
                                                                                                           Genus # Laevidentalium - Cossmann, 1888
                                                                                   Family # Omniglyptidae - Chistikov, 1975
                                                                                                           Genus # Omniglypta - Kuroda & Habe in Habe, 1953
                                                                                   Family # Prodentaliidae -  
                                                                                   Family # Rhabdidae - Chistikov, 1975
                                                                                                           Genus # Rhabdus - Pilsbry & Sharp, 1897
                                                           Order # Gadilida - Starobogatov, 1974
                                                                 Suborder # Entalimorpha - Steiner, 1992
                                                                             Superfamily # Entalinoidea -  
                                                                                   Family # Entalinidae - Chistikov, 1979
                                                                                         Subfamily # Bathoxiphinae - Chistikov, 1983
                                                                                                           Genus # Bathoxiphus - Pilsbry & Sharp, 1897
                                                                                                           Genus # Rhomboxiphus - Chistikov, 1983
                                                                                                           Genus # Solenoxiphus - Chistikov, 1983
                                                                                         Subfamily # Entalininae - Chistikov, 1979
                                                                                                           Genus # Entalina - Monterosato, 1872
                                                                                         Subfamily # Heteroschismoidinae - Chistikov, 1982
                                                                                                           Genus # Costentalina - Chistikov, 1982
                                                                                                           Genus # Entalinopsis - Habe, 1957
                                                                                                           Genus # Heteroschismoides - Ludbrook, 1960
                                                                                                           Genus # Pertusiconcha - Chistikov, 1982
                                                                                                           Genus # Spadentalina - Habe, 1963
                                                                 Suborder # Gadilimorpha - Steiner, 1992
                                                                                                           Genus # Compressidens - Pilsbry & Sharp, 1897
                                                                                                           Genus # Megaentalina - Habe, 1963
                                                                             Superfamily # Gadiloidea -  
                                                                                   Family # Gadilidae - Stoliczka, 1868
                                                                                         Subfamily # Gadilinae - Stoliczka, 1868
                                                                                                           Genus # Bathycadulus - Scarabino, 1995
                                                                                                           Genus # Cadulus - Philippi, 1844
                                                                                                           Genus # Gadila - Gray, 1847
                                                                                         Subfamily # Siphonodentaliinae - Tryon, 1884
                                                                                                           Genus # Dischides - Jeffreys, 1867
                                                                                                           Genus # Polyschides - Pilsbry & Sharp, 1898
                                                                                                           Genus # Sagamicadulus - Sakurai & Shimazu, 1963
                                                                                                           Genus # Siphonodentalium - M. Sars, 1859
                                                                                                           Genus # Striocadulus - Emerson, 1962
                                                                                   Family # Pulsellidae - Scarabino in Boss, 1982
                                                                                                           Genus # Annulipulsellum - Scarabino, 1986
                                                                                                           Genus # Pulsellum - Stoliczka, 1868
                                                                                                           Genus # Striopulsellum - Scarabino, 1995
                                                                                   Family # Wemersoniellidae - Scarabino, 1986
                                                                                                           Genus # Chistikovia - Scarabino, 1995
                                                                                                           Genus # Wemersoniella - Scarabino, 1986
                                   Class # Solenogastres - Gegenbaur, 1878
                                         Subclass # Aplotegmentaria -  
                                                           Order # Neomeniida -  
                                                                                                           Genus # Pholidoherpia - Salvini-Plawen, 1978
                                                                             Superfamily # Neomenioidea -  
                                                                                   Family # Hemimeniidae -  
                                                                                                           Genus # Archaeomenia - Thiele, 1906
                                                                                                           Genus # Hemimenia - Nierstrasz, 1902
                                                                                   Family # Neomeniidae - Ihering, 1876
                                                                                                           Genus # Heathimenia - Salvini-Plawen, 1967
                                                                                                           Genus # Neomenia - Tullberg, 1875
                                                           Order # Pholidoskepia - Salvini-Plawen, 1978
                                                                             Superfamily # Dondersioidea -  
                                                                                   Family # Dondersiidae -  
                                                                                                           Genus # Dondersia - Hubrecht, 1888
                                                                                                           Genus # Heathia - Thiele, 1913
                                                                                                           Genus # Ichthyomenia - Pilsbry, 1898
                                                                                                           Genus # Lyratoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Micromenia - Leloup, 1948
                                                                                                           Genus # Nematomenia - Simroth, 1893
                                                                                                           Genus # Stylomenia - Pruvot, 1899
                                                                                   Family # Gymnomeniidae -  
                                                                                                           Genus # Genitoconia - Salvini-Plawen, 1967
                                                                                                           Genus # Gymnomenia - Odhner, 1919
                                                                                                           Genus # Wirenia - Odhner, 1921
                                                                                   Family # Lepidomeniidae -  
                                                                                                           Genus # Lepidomenia - Kowalevsky, 1883
                                                                                                           Genus # Nierstrassia -  
                                                                                   Family # Macellomeniidae -  
                                                                                                           Genus # Macellomenia - Simroth, 1893
                                                                                   Family # Meiomeniidae -  
                                                                                                           Genus # Meioherpia - Salvini-Plawen, 1985
                                                                                                           Genus # Meiomenia - M. P. Morse, 1979
                                                                                   Family # Sandalomeniidae -  
                                                                                                           Genus # Sandalomenia - Thiele, 1913
                                         Subclass # Pachytegmentaria -  
                                                           Order # Cavibelonia -  
                                                                             Superfamily # Proneomenioidea -  
                                                                                   Family # Acanthomeniidae -  
                                                                                                           Genus # Acanthonemia - Thiele, 1913
                                                                                   Family # Amphimeniidae - Salvini-Plawen, 1972
                                                                                                           Genus # Alexandromenia - Heath, 1911
                                                                                                           Genus # Amphinemia - Thiele, 1894
                                                                                                           Genus # Meromenia - Leloup, 1949
                                                                                                           Genus # Pachymenia - Heath, 1911
                                                                                                           Genus # Paragymmomenia - Leloup, 1947
                                                                                                           Genus # Plathymenia - Schwabl, 1961
                                                                                                           Genus # Proparamenia - Nierstrasz, 1902
                                                                                                           Genus # Spengelomenia - Heath, 1912
                                                                                                           Genus # Sputoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Utravoherpia - Salvini-plawen, 1979
                                                                                   Family # Drepanomeniidae - Salvini-Plawen, 1978
                                                                                                           Genus # Drepanomenia - Heath, 1911
                                                                                   Family # Epimeniidae -  
                                                                                                           Genus # Epimenia - Nierstrasz, 1908
                                                                                   Family # Notomeniidae -  
                                                                                                           Genus # Notomenia - Thiele, 1897
                                                                                   Family # Pararrhopaliidae - Salvini-Plawen, 1978
                                                                                         Subfamily # Eleutheromeniinae -  
                                                                                                           Genus # Eleutheromenia - Salvini-Plawen, 1967
                                                                                                           Genus # Gephyroherpia - Salvini-Plawen, 1978
                                                                                         Subfamily # Halomeniinae -  
                                                                                                           Genus # Halomenia - Heath, 1911
                                                                                         Subfamily # Lophomeniinae -  
                                                                                                           Genus # Forcepimenia - Salvini-Plawen, 1968
                                                                                                           Genus # Hypomenia - Van Lummel, 1930
                                                                                                           Genus # Lophomenia - Heath, 1911
                                                                                                           Genus # Metamenia - Thiele, 1913
                                                                                         Subfamily # Pararrhopaliinae -  
                                                                                                           Genus # Labidoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Pararrhopalia - Simroth, 1893
                                                                                                           Genus # Pruvotina - Cockerell, 1903
                                                                                   Family # Proneomeniidae -  
                                                                                                           Genus # Dorymenia - Heath, 1911
                                                                                                           Genus # Proneomenia - Hubrecht, 1880
                                                                                   Family # Rhipidoherpiidae -  
                                                                                                           Genus # Rhipidoherpia - Salvini-Plawen, 1978
                                                                                   Family # Rhopalomeniidae - Salvini-Plawen, 1978
                                                                                                           Genus # Dinomenia - Nierstrasz, 1902
                                                                                                           Genus # Driomenia - Heath, 1911
                                                                                                           Genus # Pruvotia - Thiele, 1894
                                                                                                           Genus # Rhopalomenia - Simroth, 1893
                                                                                   Family # Simrothiellidae - Salvini-Plawen, 1978
                                                                                                           Genus # Birasoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Biserramenia - Salvini-Plawen, 1967
                                                                                                           Genus # Sialoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Simrothiella - Pilsbry, 1898
                                                                                                           Genus # Uncimenia - Nierstraez, 1903
                                                                                   Family # Strophomeniidae - Salvini-Plawen, 1978
                                                                                                           Genus # Anamenia - Nierstrasz, 1908
                                                                                                           Genus # Strophomenia - Pruvot, 1899
                                                                                   Family # Syngenoherpiidae -  
                                                                                                           Genus # Syngenoherpia - Salvini-Plawen, 1978
                                                           Order # Sterrofustia -  
                                                                             Superfamily # Heteroherpioidea -  
                                                                                   Family # Herteroherpiidae -  
                                                                                                           Genus # Heteroherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Rhabdoherpia - Salvini-Plawen, 1978
                                                                                   Family # Imeroherpiidae -  
                                                                                                           Genus # Imeroherpia - Salvini-Plawen, 1978
                                                                                   Family # Phyllomeniidae -  
                                                                                                           Genus # Harpagoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Lituiherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Ocheyoherpia - Salvini-Plawen, 1978
                                                                                                           Genus # Phyllomenia - Thiele, 1913
                 Phylum # Nemertea -  
                                   Class # Neonemertea -  
                                         Subclass # Hoplonemertea -  
                                                           Order # Monostilifera -  
                                                                                                           Genus # Cyanophthalma - Norenburg, 1986
                                                                                   Family # Amphiporidae -  
                                                                                                           Genus # Amphiporus -  
                                                                                                           Genus # Proneurotes -  
                                                                                                           Genus # Zygonemertes -  
                                                                                   Family # Carcinonemertidae -  
                                                                                                           Genus # Carcinonemertes -  
                                                                                   Family # Cratenemertidae -  
                                                                                                           Genus # Nipponnemertes - Friedrich, 1968
                                                                                   Family # Emplectonematidae -  
                                                                                                           Genus # Dichonemertes -  
                                                                                                           Genus # Emplectonema -  
                                                                                                           Genus # Nemertopsis -  
                                                                                                           Genus # Paranemertes -  
                                                                                   Family # Malacobdellidae -  
                                                                                                           Genus # Malacobdella -  
                                                                                   Family # Ototyphlonemertidae -  
                                                                                                           Genus # Ototyphlonemertes -  
                                                                                   Family # Prosorhochmidae -  
                                                                                                           Genus # Friedrichia - Kirsteuer, 1965
                                                                                                           Genus # Oerstedia -  
                                                                                                           Genus # Prosorhochmus -  
                                                                                   Family # Tetrastemmatidae -  
                                                                                                           Genus # Amphinemertes -  
                                                                                                           Genus # Prostoma - Duges, 1828
                                                                                                           Genus # Tetrastemma -  
                                                           Order # Polystilifera -  
                                                                                   Family # Drepanophoridae -  
                                                                                                           Genus # Drepanophorus -  
                                                                                                           Genus # Punnettia - Stiasny-wijnhoff, 1926
                                                                                   Family # Nectonemertidae -  
                                                                                                           Genus # Nectonemertes -  
                                                                                   Family # Paradrepanophoridae -  
                                                                                                           Genus # Paradrepanophorus - Stiasny-wijnhoff, 1926
                                                                                   Family # Planktonemertidae -  
                                                                                                           Genus # Planktonemertes -  
                                         Subclass # Pilidiophora -  
                                                           Order # Heteronemertea -  
                                                                                                           Genus # Myoisophagos - Riser, 1994
                                                                                   Family # Baseodiscidae -  
                                                                                                           Genus # Baseodiscus -  
                                                                                                           Genus # Oxypolia - Punnett, 1901
                                                                                   Family # Lineidae -  
                                                                                                           Genus # Cerebratulus - Reiner, 1804
                                                                                                           Genus # Diplopleura -  
                                                                                                           Genus # Euborlasia -  
                                                                                                           Genus # Lineus -  
                                                                                                           Genus # Micrella - Punnett, 1901
                                                                                                           Genus # Micrura -  
                                                                                                           Genus # Parapolia -  
                                                                                                           Genus # Zygeupolia -  
                                                                                   Family # Poliopsiidae -  
                                                                                                           Genus # Poliopsis - Joubin, 1890
                                                                                   Family # Valenciniidae -  
                                                                                                           Genus # Valencinia - Quatrefages, 1846
                                                           Order # Hubrechtida -  
                                                                                   Family # Hubrechtidae -  
                                                                                                           Genus # Hubrechtella - Bergendal, 1902
                                   Class # Palaeonemertea -  
                                                                                   Family # Carinomidae -  
                                                                                                           Genus # Carinoma -  
                                                                                   Family # Cephalothricidae -  
                                                                                                           Genus # Cephalothrix -  
                                                                                                           Genus # Procephalothrix -  
                                                                                   Family # Tubulanidae -  
                                                                                                           Genus # Callinera - Bergendal, 1900
                                                                                                           Genus # Carinesta - Punnett, 1900
                                                                                                           Genus # Carinina - Hubrecht, 1885
                                                                                                           Genus # Carinomella -  
                                                                                                           Genus # Tubulanus - Renier, 1804
                 Phylum # Orthonectida - Giard, 1877
                                                           Order # Plasmodigenea - Neresheimer, 1908
                                                                                   Family # Pelmatosphaeridae - Stunkard, 1937
                                                                                                           Genus # Pelmatosphaera - Caullery and Mesnil, 1904
                                                                                   Family # Rhopaluridae - Stunkard, 1937
                                                                                                           Genus # Ciliocincta - Kozloff, 1965
                                                                                                           Genus # Intoshia - Giard, 1877
                                                                                                           Genus # Rhopalura - Giard, 1877
                                                                                                           Genus # Stoecharthrum - Caullery and Mesnil, 1899
                 Phylum # Phoronida -  
                                                                                                           Genus # Phoronis - Wright, 1856
                                                                                                           Genus # Phoronopsis - Gilchrist, 1907
                 Phylum # Platyhelminthes - Minot, 1876
                                                                                                           Genus # Centrostomum - Diesing, 1859
                                                                                                           Genus # Darwinia - Pereyaslawzewa, 1892
                                                                                                           Genus # Diplonchus - Stimpson, 1857
                                                                                                           Genus # Endocelis - Schmankewitsch, 1873
                                                                                                           Genus # Glossostoma - Le Conte, 1851
                                                                                                           Genus # Monotus - Diesing, 1862
                                                                                                           Genus # Niobe - Girard, 1852
                                                                                                           Genus # Plagiostomula - Westblad, 1956
                                                                                                           Genus # Polyporus - Plehn, 1897
                                                                                                           Genus # Trachyplana - Stimpson, 1857
                                                                                                           Genus # Tricelis - Quatrefage, 1845
                                                                                                           Genus # Turbella - Ehrenberg, 1831
                                                                                                           Genus # Typhlolepta - Ørsted, 1843
                                                                                                           Genus # Vortex - Ehrenberg, 1831
                       Subphylum # Catenulida -  
                                                           Order # Catenulida - Meixner, 1924
                                                                                   Family # Catenulidae - Graff, 1905
                                                                                                           Genus # Africatenula - Young, 1976
                                                                                                           Genus # Catenula - A. L. Dugès, 1832
                                                                                                           Genus # Dasyhormus - Marcus, 1945
                                                                                   Family # Chordariidae - Marcus, 1945
                                                                                                           Genus # Chordarium - Marcus, 1945
                                                                                   Family # Retronectidae - Sterrer and Rieger, 1974
                                                                                                           Genus # Myoretronectes - Noreña-Janssen and Faubel, 1996
                                                                                                           Genus # Paracatenula - Sterrer and Rieger, 1974
                                                                                                           Genus # Retronectes - Sterrer and Rieger, 1974
                                                                                   Family # Stenostomidae - Vejdovsky, 1880
                                                                                                           Genus # Myostenostomum - Luther, 1960
                                                                                                           Genus # Rhynchoscolex - Leidy, 1851
                                                                                                           Genus # Stenostomum - Schmidt, 1848
                                                                                   Family # Tyrrheniellidae - Riedl, 1959
                                                                                                           Genus # Tyrrheniella - Riedl, 1959
                       Subphylum # Rhabditophora - Ehlers, 1985
                          Infraphylum # Macrostomorpha -  
                                                                                                           Genus # Bradynectes - Rieger, 1971
                                                                                                           Genus # Myozona - Marcus, 1949
                                                           Order # Dolichomicrostomida - Janssen, Vizoso, Schulte, Littlewood, Waeschenbach and Schärer, 2015
                                                                                   Family # Dolichomacrostomidae - Rieger, 1971
                                                                                         Subfamily # Bathymacrostominae - Faubel, 1977
                                                                                                           Genus # Bathymacrostomum - Faubel, 1977
                                                                                         Subfamily # Dolichomacrostominae - Rieger, 1971
                                                                                                           Genus # Austromacrostomum - Rieger, 1971
                                                                                                           Genus # Cylindromacrostomum - Rieger, 1971
                                                                                                           Genus # Dolichomacrostomum - Luther, 1947
                                                                                                           Genus # Megamorion - Rieger and Sterrer, 1968
                                                                                                           Genus # Meiocheta - Rieger, 1971
                                                                                                           Genus # Paramacrostomum - Riedel, 1932
                                                                                                           Genus # Paromalostomum - Ax, 1951
                                                                                         Subfamily # Karlingiinae - Rieger, 1971
                                                                                                           Genus # Acanthomacrostomum - Papi and Swedmark, 1959
                                                                                                           Genus # Karlingia - Ferguson, 1954
                                                                                                           Genus # Paramyozonaria - Rieger, 1971
                                                                                         Subfamily # Myozonariinae - Janssen, Vizoso, Schulte, Littlewood, Waeschenbach and Schärer, 2015
                                                                                                           Genus # Myomacrostomum - Rieger, 1986
                                                                                                           Genus # Myozonaria - Rieger, 1968
                                                                                   Family # Microstomidae - Luther, 1907
                                                                                                           Genus # Alaurina - Busch, 1851
                                                                                                           Genus # Microstomum - Schmidt, 1848
                                                                                                           Genus # Myozonella - Beklemischev, 1955
                                                           Order # Haplopharyngida - Karling, 1974
                                                                                   Family # Haplopharyngidae - Meixner, 1938
                                                                                                           Genus # Haplopharynx - Meixner, 1938
                                                           Order # Macrostomida - Karling, 1940
                                                                                   Family # Macrostomidae - Beneden, 1870
                                                                                                           Genus # Antromacrostomum - Faubel, 1974
                                                                                                           Genus # Archimacrostomum - Ferguson, 1954
                                                                                                           Genus # Axia - Ferguson, 1954
                                                                                                           Genus # Bradburia - Faubel, Blome and Cannon, 1994
                                                                                                           Genus # Dunwichia - Faubel, Blome and Cannon, 1994
                                                                                                           Genus # Macrostomum - Schmidt, 1848
                                                                                                           Genus # Omalostomum - Beneden, 1870
                                                                                                           Genus # Promacrostomum - An der Lan, 1939
                                                                                                           Genus # Protomacrostomum - Steinböck, 1935
                                                                                                           Genus # Psammomacrostomum - Ax, 1966
                                                                                                           Genus # Siccomacrostomum - Schmidt and Sopott-Ehlers, 1976
                          Infraphylum # Trepaxonemata -  
                             Superclass # Amplimatricata -  
                                                           Order # Polycladida - Lang, 1884
                                                                 Suborder # Acotylea - Lang, 1884
                                                                             Superfamily # Ilyplanoidea - Faubel, 1983
                                                                                   Family # Anocellidae - Quiroga, Bolaños and Litvaitis, 2006
                                                                                                           Genus # Anocellidus - Quiroga, Bolaños and Litvaitis, 2006
                                                                                   Family # Diplopharyngeatidae - Plehn, 1896
                                                                                                           Genus # Diplopharyngeata - Plehn, 1896
                                                                                   Family # Discocelidae - Laidlaw, 1903
                                                                                                           Genus # Adenoplana - Stummer-Traunfels, 1933
                                                                                                           Genus # Coronadena - Hyman, 1940
                                                                                                           Genus # Discocelis - Ehrenberg, 1836
                                                                                                           Genus # Thalamoplana - Laidlaw, 1904
                                                                                   Family # Discoprosthididae - Faubel, 1983
                                                                                                           Genus # Discoprosthides - Faubel, 1983
                                                                                   Family # Euplanidae - Marcus and Marcus, 1966
                                                                                                           Genus # Euplana - Girard, 1893
                                                                                                           Genus # Euplanina - Sopott-Ehlers and Schmidt, 1975
                                                                                                           Genus # Euplanoida - Faubel, 1983
                                                                                                           Genus # Namyhplana - Brusa and Damborenea, 2013
                                                                                                           Genus # Paraprostatum - Faubel and Sluys, 2007
                                                                                                           Genus # Semonia - Plehn, 1896
                                                                                                           Genus # Taenioplana - Hyman, 1944
                                                                                   Family # Ilyplanidae - Faubel, 1983
                                                                                                           Genus # Anandroplana - Hyman, 1955
                                                                                                           Genus # Crassandros - Hyman, 1955
                                                                                                           Genus # Euilyoida - Faubel, 1983
                                                                                                           Genus # Ilyella - Faubel, 1983
                                                                                                           Genus # Ilyplana - Bock, 1925
                                                                                                           Genus # Postenterogonia - Faubel, 1983
                                                                                                           Genus # Pulchriplana - Palombi, 1938
                                                                                                           Genus # Tripylocelis - Haswell, 1907
                                                                                                           Genus # Zygantroides - Faubel, 1983
                                                                                                           Genus # Zygantroplana - Laidlaw, 1906
                                                                                                           Genus # Zygantrum - Faubel, 1983
                                                                                   Family # Mucroplanidae - Faubel, 1983
                                                                                                           Genus # Mucroplana - Sopott-Ehlers and Schmidt, 1975
                                                                                   Family # Palauidae - Faubel, 1983
                                                                                                           Genus # Palaua - Faubel, 1983
                                                                             Superfamily # Leptoplanoidea - Stimpson, 1857
                                                                                   Family # Candimboididae - Faubel, 1983
                                                                                                           Genus # Candimboides - Prudhoe, 1982
                                                                                   Family # Cestoplanidae - Lang, 1884
                                                                                                           Genus # Acestoplana - Faubel, 1983
                                                                                                           Genus # Cestoplana - Lang, 1884
                                                                                                           Genus # Cestoplanella - Faubel, 1983
                                                                                                           Genus # Cestoplanides - Faubel, 1983
                                                                                                           Genus # Cestoplanoida - Faubel, 1983
                                                                                                           Genus # Eucestoplana - Faubel, 1983
                                                                                   Family # Cryptocelidae - Laidlaw, 1903
                                                                                                           Genus # Adenodactyloplana - Bulnes, Faubel and Ponce de Leon, 2003
                                                                                                           Genus # Cryptocelis - Lang, 1884
                                                                                                           Genus # Hylocelis - Faubel, 1983
                                                                                                           Genus # Macginitiella - Hyman, 1953
                                                                                                           Genus # Notoplanella - Bock, 1931
                                                                                                           Genus # Phaenocelis - Stummer-Traunfels, 1933
                                                                                   Family # Didangiidae - Faubel, 1983
                                                                                                           Genus # Didangia - Faubel, 1983
                                                                                   Family # Faubelidae - Ozdikmen, 2010
                                                                                                           Genus # Amyris - Marcus and Marcus, 1968
                                                                                                           Genus # Chiliplana - Faubel, 1983
                                                                                                           Genus # Copidoplana - Bock, 1913
                                                                                                           Genus # Diplandros - Hyman, 1953
                                                                                                           Genus # Faubelus - Ozdikmen, 2010
                                                                                                           Genus # Notoplehnia - Faubel, 1983
                                                                                                           Genus # Triadomma - Marcus, 1947
                                                                                                           Genus # Tripyloplana - Faubel, 1983
                                                                                   Family # Leptoplanidae - Stimpson, 1857
                                                                                                           Genus # Hoploplana - Laidlaw, 1902
                                                                                                           Genus # Indiplana - Stummer-Traunfels, 1933
                                                                                                           Genus # Itannia - Marcus, 1947
                                                                                                           Genus # Leptoplana - Ehrenberg, 1831
                                                                                                           Genus # Leptoplanella - Faubel, 1983
                                                                                                           Genus # Longiprostatum - Hyman, 1953
                                                                                                           Genus # Parviplana - Hyman, 1953
                                                                                   Family # Notoplanidae - Marcus and Marcus, 1966
                                                                                                           Genus # Notocomplana - Faubel, 1983
                                                                                                           Genus # Notoplana - Laidlaw, 1903
                                                                                                           Genus # Plagiotata - Plehn, 1896
                                                                                   Family # Pleioplanidae - Faubel, 1983
                                                                                                           Genus # Izmira - Bulnes, 2010
                                                                                                           Genus # Laqueusplana - Rodríguez, Grande, Bulnes, Almon, Perez and Noreña, 2017
                                                                                                           Genus # Melloplana - Faubel, 1983
                                                                                                           Genus # Persica - Maghsoudlou, Bulnes and Rahimian, 2015
                                                                                                           Genus # Pleioplana - Faubel, 1983
                                                                                   Family # Stylochoplanidae - Meixner, 1907
                                                                                                           Genus # Alloioplana - Plehn, 1896
                                                                                                           Genus # Amemiyaia - Kato, 1944
                                                                                                           Genus # Armatoplana - Faubel, 1983
                                                                                                           Genus # Ceratoplana - Bock, 1925
                                                                                                           Genus # Comoplana - Faubel, 1983
                                                                                                           Genus # Digynopora - Hyman, 1940
                                                                                                           Genus # Emprosthopharynx - Bock, 1913
                                                                                                           Genus # Heroplana - Faubel, 1983
                                                                                                           Genus # Interplana - Faubel, 1983
                                                                                                           Genus # Phaenoplana - Faubel, 1983
                                                                                                           Genus # Stylochoplana - Stimpson, 1857
                                                                                                           Genus # Triplana - Faubel, 1983
                                                                             Superfamily # Planoceroidea - Lang, 1884
                                                                                   Family # Apidioplanidae - Bock, 1926
                                                                                                           Genus # Apidioplana - Bock, 1926
                                                                                   Family # Callioplanidae - Hyman, 1953
                                                                                                           Genus # Ancoratheca - Prudhoe, 1982
                                                                                                           Genus # Aotearoa - Holleman, 2007
                                                                                                           Genus # Asolenia - Hyman, 1959
                                                                                                           Genus # Callioplana - Stimpson, 1857
                                                                                                           Genus # Crassiplana - Hyman, 1955
                                                                                                           Genus # Discostylochus - Bock, 1925
                                                                                                           Genus # Kaburakia - Bock, 1925
                                                                                                           Genus # Koinostylochus - Faubel, 1983
                                                                                                           Genus # Meixneria - Bock, 1913
                                                                                                           Genus # Munseoma - Bulnes, Faubel and Park, 2005
                                                                                                           Genus # Neostylochus - Yeri and Kaburaki, 1920
                                                                                                           Genus # Parastylochus - Bock, 1913
                                                                                                           Genus # Tokiphallus - Faubel, 1983
                                                                                   Family # Enantiidae - Graff, 1889
                                                                                                           Genus # Enantia - Graff, 1889
                                                                                                           Genus # Spinantia - Faubel, 1983
                                                                                   Family # Gnesiocerotidae - Marcus and Marcus, 1966
                                                                                                           Genus # Echinoplana - Haswell, 1907
                                                                                                           Genus # Gnesioceros - Diesing, 1862
                                                                                                           Genus # Planctoplanella - Hyman, 1940
                                                                                                           Genus # Styloplanocera - Bock, 1913
                                                                                   Family # Planoceridae - Lang, 1884
                                                                                                           Genus # Aquaplana - Hyman, 1953
                                                                                                           Genus # Disparoplana - Laidlaw, 1903
                                                                                                           Genus # Neoplanocera - Yeri and Kaburaki, 1918
                                                                                                           Genus # Paraplanocera - Laidlaw, 1902
                                                                                                           Genus # Planocera - Blainville, 1828
                                                                                                           Genus # Pseudoplanocera - Bulnes, 2010
                                                                                                           Genus # Spinicirrus - Hyman, 1953
                                                                                   Family # Stylochocestidae - Bock, 1913
                                                                                                           Genus # Barcoplana - Bulnes, Faubel and Ponce de Leon, 2003
                                                                                                           Genus # Chatziplana - Faubel, 1983
                                                                                                           Genus # Mabelaplana - Bulnes, Faubel and Ponce de Leon, 2003
                                                                                                           Genus # Stylochocestus - Laidlaw, 1904
                                                                                   Family # Theamatidae - Marcus, 1949
                                                                                                           Genus # Theama - Marcus, 1949
                                                                             Superfamily # Stylochoidea - Stimpson, 1857
                                                                                   Family # Discocelididae - Laidlaw, 1903
                                                                                                           Genus # Pseudodiscocelis - Bulnes, 2010
                                                                                   Family # Latocestidae - Laidlaw, 1903
                                                                                                           Genus # Eulatocestus - Faubel, 1983
                                                                                                           Genus # Latoplana - Faubel, 1983
                                                                                                           Genus # Mesocela - Jacubowa, 1906
                                                                                                           Genus # Prolatocestus - Faubel, 1983
                                                                                         Subfamily # Latocestinae - Laidlaw, 1903
                                                                                                           Genus # Aprostatum - Bock, 1913
                                                                                                           Genus # Latocestus - Plehn, 1896
                                                                                                           Genus # Nonatona - Marcus, 1952
                                                                                         Subfamily # Trigonoporinae - Laidlaw, 1903
                                                                                                           Genus # Pentaplana - Marcus, 1949
                                                                                                           Genus # Trigonoporus - Lang, 1884
                                                                                   Family # Limnostylochidae - Faubel, 1983
                                                                                                           Genus # Limnoplana - Faubel, 1983
                                                                                                           Genus # Limnostylochus - Bock, 1913
                                                                                   Family # Plehniidae - Bock, 1913
                                                                                                           Genus # Diplehnia - Faubel, 1983
                                                                                                           Genus # Discocelides - Bergendal, 1893
                                                                                                           Genus # Myoramyxa - Newman and Cannon, 1997
                                                                                                           Genus # Plehnia - Bock, 1913
                                                                                   Family # Polyposthiidae - Bergendal, 1893
                                                                                                           Genus # Bergendalia - Laidlaw, 1903
                                                                                                           Genus # Cryptocelides - Bergendal, 1890
                                                                                                           Genus # Metaposthia - Palombi, 1923
                                                                                                           Genus # Polyphalloplana - de Beauchamp, 1951
                                                                                                           Genus # Polyposthia - Bergendal, 1893
                                                                                                           Genus # Polyposthides - Palombi, 1923
                                                                                   Family # Pseudostylochidae - Faubel, 1983
                                                                                                           Genus # Cryptophallus - Bock, 1913
                                                                                                           Genus # Idioplana - Woodworth, 1898
                                                                                                           Genus # Monosolenia - Hyman, 1953
                                                                                                           Genus # Ommatoplana - Laidlaw, 1903
                                                                                                           Genus # Pseudostylochus - Yeri and Kaburaki, 1918
                                                                                                           Genus # Stylochoposthia - Faubel, 1983
                                                                                   Family # Stylochidae - Stimpson, 1857
                                                                                                           Genus # Cryptostylochus - Faubel, 1983
                                                                                                           Genus # Distylochus - Faubel, 1983
                                                                                                           Genus # Imogine - Girard, 1853
                                                                                                           Genus # Kataria - Faubel, 1983
                                                                                                           Genus # Leptostylochus - Bock, 1925
                                                                                                           Genus # Mirostylochus - Kato, 1937
                                                                                                           Genus # Stylochus - Ehrenberg, 1831
                                                                 Suborder # Cotylea - Lang, 1884
                                                                             Superfamily # Ditremagenioidea - Palombi, 1928
                                                                                   Family # Ditremageniidae - Palombi, 1928
                                                                                                           Genus # Ditremagenia - Palombi, 1928
                                                                             Superfamily # Euryleptoidea - Stimpson, 1857
                                                                                   Family # Euryleptidae - Stimpson, 1857
                                                                                                           Genus # Acerotisa - Strand, 1928
                                                                                                           Genus # Anciliplana - Heath and McGregor, 1912
                                                                                                           Genus # Ascidiophilla - Newman, 2002
                                                                                                           Genus # Cycloporus - Lang, 1884
                                                                                                           Genus # Eurylepta - Ehrenberg, 1831
                                                                                                           Genus # Euryleptodes - Heath and McGregor, 1912
                                                                                                           Genus # Graffizoon - Heath, 1928
                                                                                                           Genus # Katheurylepta - Faubel, 1984
                                                                                                           Genus # Leptoteredra - Hallez, 1913
                                                                                                           Genus # Maritigrella - Newman and Cannon, 2000
                                                                                                           Genus # Oligoclado - Pearse, 1938
                                                                                                           Genus # Oligocladus - Lang, 1884
                                                                                                           Genus # Parastylostomum - Faubel, 1984
                                                                                                           Genus # Pareurylepta - Faubel, 1984
                                                                                                           Genus # Praestheceraeus - Faubel, 1984
                                                                                                           Genus # Prostheceraeus - Schmarda, 1859
                                                                                                           Genus # Stygolepta - Faubel, 1984
                                                                                                           Genus # Stylostomum - Lang, 1884
                                                                                   Family # Euryleptididae - Faubel, 1984
                                                                                                           Genus # Euryleptides - Palombi, 1923
                                                                                   Family # Laidlawiidae - Herzig, 1905
                                                                                                           Genus # Laidlawia - Herzig, 1905
                                                                                   Family # Prosthiostomidae - Lang, 1884
                                                                                                           Genus # Amakusaplana - Kato, 1938
                                                                                                           Genus # Enchiridium - Bock, 1913
                                                                                                           Genus # Enterogonimus - Hallez, 1913
                                                                                                           Genus # Euprosthiostomum - Bock, 1925
                                                                                                           Genus # Lurymare - Marcus and Marcus, 1968
                                                                                                           Genus # Prosthiostomum - Quatrefage, 1845
                                                                             Superfamily # Opisthogenioidea - Palombi, 1928
                                                                                   Family # Opisthogeniidae - Palombi, 1928
                                                                                                           Genus # Opisthogenia - Palombi, 1928
                                                                             Superfamily # Pseudocerotoidea - Faubel, 1984
                                                                                   Family # Amyellidae - Faubel, 1984
                                                                                                           Genus # Amyella - Bock, 1922
                                                                                                           Genus # Chromyella - Correa, 1958
                                                                                   Family # Anonymidae - Lang, 1884
                                                                                                           Genus # Anonymus - Lang, 1884
                                                                                                           Genus # Marcusia - Hyman, 1953
                                                                                                           Genus # Simpliciplana - Kaburaki, 1923
                                                                                   Family # Boniniidae - Bock, 1923
                                                                                                           Genus # Boninia - Bock, 1923
                                                                                                           Genus # Paraboninia - Prudhoe, 1944
                                                                                                           Genus # Traunfelsia - Laidlaw, 1906
                                                                                   Family # Chromoplanidae - Bock, 1922
                                                                                                           Genus # Chromoplana - Bock, 1922
                                                                                   Family # Dicteroidae - Faubel, 1984
                                                                                                           Genus # Dicteros - Jacubowa, 1906
                                                                                   Family # Diposthidae - Woodworth, 1898
                                                                                                           Genus # Asthenoceros - Laidlaw, 1903
                                                                                                           Genus # Diposthus - Woodworth, 1898
                                                                                   Family # Pericelidae - Laidlaw, 1902
                                                                                                           Genus # Pericelis - Laidlaw, 1902
                                                                                   Family # Pseudocerotidae - Lang, 1884
                                                                                                           Genus # Acanthozoon - Collingwood, 1876
                                                                                                           Genus # Bulaceros - Newman and Cannon, 1996
                                                                                                           Genus # Cryptobiceros - Faubel, 1984
                                                                                                           Genus # Cryptoceros - Faubel, 1984
                                                                                                           Genus # Monobiceros - Faubel, 1984
                                                                                                           Genus # Nymphozoon - Hyman, 1959
                                                                                                           Genus # Phrikoceros - Newman and Cannon, 1996
                                                                                                           Genus # Pseudobiceros - Faubel, 1984
                                                                                                           Genus # Pseudoceros - Lang, 1884
                                                                                                           Genus # Thysanozoon - Grube, 1840
                                                                                                           Genus # Tytthosoceros - Newman and Cannon, 1996
                                                                                                           Genus # Yungia - Lang, 1884
                                                                                   Family # Stylochoididae - Bock, 1913
                                                                                                           Genus # Stylochoides - Hallez, 1907
                                                           Order # Prorhynchida -  
                                                                                   Family # Prorhynchidae - Hallez, 1894
                                                                                                           Genus # Geocentrophora - de Man, 1876
                                                                                                           Genus # Hofstenioplesia - Steinböck and Reisinger, 1924
                                                                                                           Genus # Prorhynchus - Schultze, 1851
                                                                                                           Genus # Xenoprorhynchus - Reisinger, 1968
                             Superclass # Euneoophora -  
                                   Class # Acentrosomata -  
                                         Subclass # Adiaphanida -  
                                                           Order # Fecampiida -  
                                                                                   Family # Fecampiidae - Graff, 1903
                                                                                                           Genus # Fecampia - Giard, 1886
                                                                                                           Genus # Glanduloderma - Jaegersten, 1940
                                                                                                           Genus # Kronborgia - Christensen and Kanneworff, 1964
                                                                                   Family # Genostomatidae - Graff, 1903
                                                                                                           Genus # Genostoma - Dörler, 1900
                                                                                                           Genus # Piscinquilinus - Sluys and Kawakatsu, 2005
                                                                                   Family # Notenteridae - Joffe, Selivanova and Kornakova, 1997
                                                                                                           Genus # Notentera - Joffe, Selivanova and Kornakova, 1997
                                                                                   Family # Urastomidae - Marcus, 1951
                                                                                                           Genus # Urastoma - Dörler, 1900
                                                           Order # Prolecithophora -  
                                                                                   Family # Cylindrostomidae - Reisinger, 1924
                                                                                                           Genus # Allostoma - Beneden, 1860
                                                                                                           Genus # Cylindrostoma - Ørsted, 1845
                                                                                                           Genus # Einarhelmins - Karling, 1993
                                                                                                           Genus # Enterostomula - Reisinger, 1926
                                                                                                           Genus # Euxinia - Graff, 1911
                                                                                                           Genus # Monoophorum - Böhmig, 1890
                                                                                                           Genus # Pregermarium - Stirewalt, Ferguson and Kepner, 1942
                                                                                                           Genus # Thallagus - Marcus, 1951
                                                                                   Family # Multipeniatidae - Karling, 1940
                                                                                                           Genus # Multipeniata - Nasonov, 1927
                                                                                   Family # Plagiostomidae - Graff, 1882
                                                                                                           Genus # Acmostomum - Schmarda, 1859
                                                                                                           Genus # Auriculifera - Kulinitch, 1973
                                                                                                           Genus # Hydrolimax - Haldeman, 1842
                                                                                                           Genus # Plagiostomum - Schmidt, 1852
                                                                                                           Genus # Plicastoma - Graff, 1904
                                                                                                           Genus # Puzostoma - Marcus, 1950
                                                                                                           Genus # Torgea - Jondelius, 1997
                                                                                                           Genus # Vorticeros - Schmidt, 1852
                                                                                   Family # Protomonotresidae - Reisinger, 1924
                                                                                         Subfamily # Baicalarctiinae - Friedmann, 1926
                                                                                                           Genus # Baicalarctia - Friedmann, 1926
                                                                                                           Genus # Friedmaniella - Timoshkin and Zabrovskaya, 1985
                                                                                                           Genus # Porfirievia - Timoshkin, 1997
                                                                                         Subfamily # Protomonotresinae - Reisinger, 1924
                                                                                                           Genus # Acanthiella - Rieger and Sterrer, 1975
                                                                                                           Genus # Archimonotresis - Meixner, 1938
                                                                                                           Genus # Prorogonophora - Riedl, 1954
                                                                                                           Genus # Protomonotresis - Reisinger, 1924
                                                                                   Family # Pseudostomidae - Graff, 1904
                                                                                                           Genus # Gonostomula - Westblad, 1955
                                                                                                           Genus # Pseudostomum - Schmidt, 1848
                                                                                                           Genus # Reisingeria - Westblad, 1955
                                                                                   Family # Scleraulophoridae - Marcus, 1950
                                                                                                           Genus # Rosmarium - Marcus, 1950
                                                                                                           Genus # Scleraulophorus - Karling, 1940
                                                                                   Family # Ulianiniidae - Levinsen, 1879
                                                                                                           Genus # Ulianinia - Levinsen, 1879
                                                           Order # Tricladida -  
                                                                 Suborder # Cavernicola -  
                                                                                                           Genus # Hausera - Leal-Zanchet and Souza, 2014
                                                                                   Family # Dimarcusidae - Mitchell and Kawakatsu, 1972
                                                                                                           Genus # Balliania - Gourbault, 1978
                                                                                                           Genus # Novomitchellia - Ozdikmen, 2010
                                                                                                           Genus # Opisthobursa - Benazzi, 1972
                                                                                                           Genus # Rhodax - Marcus, 1946
                                                                 Suborder # Continenticola -  
                                                                             Superfamily # Geoplanoidea - Stimpson, 1857
                                                                                   Family # Dugesiidae - Ball, 1974
                                                                                                           Genus # Bopsula - Marcus, 1946
                                                                                                           Genus # Cura - Strand, 1942
                                                                                                           Genus # Dugesia - Girard, 1850
                                                                                                           Genus # Eviella - Ball, 1977
                                                                                                           Genus # Girardia - Ball, 1974
                                                                                                           Genus # Neppia - Ball, 1974
                                                                                                           Genus # Reynoldsonia - Ball, 1974
                                                                                                           Genus # Romankenkius - Ball, 1974
                                                                                                           Genus # Schmidtea - Ball, 1974
                                                                                                           Genus # Spathula - Nurse, 1950
                                                                                                           Genus # Weissius - Sluys, 2007
                                                                                   Family # Geoplanidae - Stimpson, 1857
                                                                                         Subfamily # Bipaliinae - Stimpson, 1857
                                                                                                           Genus # Bipalium - Stimpson, 1857
                                                                                                           Genus # Diversibipalium - Kawakatsu, Ogren, E. M. Froehlich, Takai and Sasaki, 2002
                                                                                                           Genus # Humbertium - Ogren and Sluys, 2001
                                                                                                           Genus # Novibipalium - Kawakatsu, Ogren and E. M. Froehlich, 1998
                                                                                         Subfamily # Eudoxiatopoplaninae - Winsor, 2009
                                                                                                           Genus # Eudoxiatopoplana - Winsor, 2009
                                                                                         Subfamily # Geoplaninae - Stimpson, 1857
                                                                                                           Genus # Amaga - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Barreirana - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Bogga - Grau and Sluys, 2012
                                                                                                           Genus # Cephaloflexa - Carbayo and Leal-Zanchet, 2003
                                                                                                           Genus # Choeradoplana - Graff, 1896
                                                                                                           Genus # Cratera - Carbayo, Alvarez-Presas, Olivares, Marques, E. M. Froehlich and Riutort, 2013
                                                                                                           Genus # Enterosyringa - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Geobia - Diesing, 1862
                                                                                                           Genus # Geoplana - Stimpson, 1857
                                                                                                           Genus # Gigantea - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Gusana - E. M. Froehlich, 1978
                                                                                                           Genus # Imbira - Carbayo, Alvarez-Presas, Olivares, Marques, E. M. Froehlich and Riutort, 2013
                                                                                                           Genus # Issoca - C. G. Froehlich, 1955
                                                                                                           Genus # Liana - E. M. Froehlich, 1978
                                                                                                           Genus # Luteostriata - Carbayo, 2010
                                                                                                           Genus # Matuxia - Carbayo, Alvarez-Presas, Olivares, Marques, E. M. Froehlich and Riutort, 2013
                                                                                                           Genus # Notogynaphallia - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Obama - Carbayo, Alvarez-Presas, Olivares, Marques, E. M. Froehlich and Riutort, 2013
                                                                                                           Genus # Paraba - Carbayo, Alvarez-Presas, Olivares, Marques, E. M. Froehlich and Riutort, 2013
                                                                                                           Genus # Pasipha - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Polycladus - Blanchard, 1845
                                                                                                           Genus # Pseudogeoplana - Ogren and Kawakatsu, 1990
                                                                                                           Genus # Supramontana - Carbayo and Leal-Zanchet, 2003
                                                                                                           Genus # Xerapoa - C. G. Froehlich, 1955
                                                                                         Subfamily # Microplaninae - Pantin, 1953
                                                                                                           Genus # Diporodemus - Hyman, 1938
                                                                                                           Genus # Geobenazzia - Minelli, 1974
                                                                                                           Genus # Incapora - Du Bois-Reymond Marcus, 1953
                                                                                                           Genus # Microplana - Vejdovsky, 1889
                                                                                                           Genus # Othelosoma - Gray, 1869
                                                                                                           Genus # Pseudartiocotylus - Ikeda, 1911
                                                                                                           Genus # Statomicroplana - Kawakatsu, E. M. Froehlich, Jones, Ogren and Sasaki, 2003
                                                                                         Subfamily # Rhynchodeminae - Graff, 1896
                                                                                               Tribe # Anzoplanini - Winsor, 2006
                                                                                                           Genus # Anzoplana - Winsor, 2006
                                                                                                           Genus # Fyfea - Winsor, 2006
                                                                                               Tribe # Caenoplanini - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Arthurdendyus - Jones, 1999
                                                                                                           Genus # Artioposthia - Graff, 1896
                                                                                                           Genus # Australopacifica - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Australoplana - Winsor, 1991
                                                                                                           Genus # Caenoplana - Moseley, 1877
                                                                                                           Genus # Coleocephalus - Fyfe, 1953
                                                                                                           Genus # Endeavouria - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Fletchamia - Winsor, 1991
                                                                                                           Genus # Kontikia - C. G. Froehlich, 1955
                                                                                                           Genus # Lenkunya - Winsor, 1991
                                                                                                           Genus # Newzealandia - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Parakontikia - Winsor, 1991
                                                                                                           Genus # Pimea - Winsor, 1991
                                                                                                           Genus # Reomkago - Winsor, 1991
                                                                                                           Genus # Tasmanoplana - Winsor, 1991
                                                                                                           Genus # Timyama - E. M. Froehlich, 1978
                                                                                               Tribe # Pelmatoplaninini - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Beauchampius - Ogren and Kawakatsu, 1991
                                                                                                           Genus # Pelmatoplana - Graff, 1896
                                                                                               Tribe # Rhynchodemini - Graff, 1896
                                                                                                           Genus # Anisorhynchodemus - Kawakatsu, E. M. Froehlich, Jones, Ogren and Sasaki, 2003
                                                                                                           Genus # Cotyloplana - Spencer, 1892
                                                                                                           Genus # Digonopyla - Fischer, 1926
                                                                                                           Genus # Dolichoplana - Moseley, 1877
                                                                                                           Genus # Platydemus - Graff, 1896
                                                                                                           Genus # Rhynchodemus - Leidy, 1851
                                                                             Superfamily # Planarioidea - Stimpson, 1857
                                                                                   Family # Dendrocoelidae - Hallez, 1892
                                                                                                           Genus # Acromyadenium - de Beauchamp, 1931
                                                                                                           Genus # Alaoplana - Kenk, 1974
                                                                                                           Genus # Archicotylus - Korotneff, 1912
                                                                                                           Genus # Armilla - Livanov, 1961
                                                                                                           Genus # Atria - Porfirieva, 1970
                                                                                                           Genus # Baikalobia - Kenk, 1930
                                                                                                           Genus # Baikalocotylus - Porfirieva, 1977
                                                                                                           Genus # Baikaloplana - Berg, 1925
                                                                                                           Genus # Bdellocephala - de Man, 1875
                                                                                                           Genus # Caspioplana - Sabussow, 1951
                                                                                                           Genus # Dendrocoelopsis - Kenk, 1930
                                                                                                           Genus # Dendrocoelum - Ørsted, 1844
                                                                                                           Genus # Hyperbulbina - Livanov and Porfirieva, 1962
                                                                                                           Genus # Hyperpapillina - Porfirieva, 1973
                                                                                                           Genus # Microarchicotylus - Porfirieva and Timoshkin, 2015
                                                                                                           Genus # Miodendrocoelum - de Beauchamp, 1929
                                                                                                           Genus # Neodendrocoelum - Stankovic and Komarek, 1927
                                                                                                           Genus # Papilloplana - Kenk, 1974
                                                                                                           Genus # Procotyla - Leidy, 1857
                                                                                                           Genus # Protocotylus - Korotneff, 1908
                                                                                                           Genus # Rimacephalus - Sabussow, 1901
                                                                                                           Genus # Sorocelis - Grube, 1872
                                                                                   Family # Kenkiidae - Hyman, 1937
                                                                                                           Genus # Kenkia - Hyman, 1937
                                                                                                           Genus # Sphalloplana - de Beauchamp, 1931
                                                                                                           Genus # Vermipharyngiella - Porfirieva and Timoshkin, 2013
                                                                                   Family # Planariidae - Stimpson, 1857
                                                                                                           Genus # Bdellasimilis - Richardson, 1968
                                                                                                           Genus # Crenobia - Kenk, 1930
                                                                                                           Genus # Digonoporus - An der Lan, 1941
                                                                                                           Genus # Hymanella - Castle, 1941
                                                                                                           Genus # Paraplanaria - Ball and Gourbault, 1978
                                                                                                           Genus # Phagocata - Leidy, 1847
                                                                                                           Genus # Plagnolia - de Beauchamp and Gourbault, 1964
                                                                                                           Genus # Planaria - O. F. Müller, 1776
                                                                                                           Genus # Polycelis - Ehrenberg, 1831
                                                                                                           Genus # Seidlia - Sabussow, 1911
                                                                 Suborder # Maricola -  
                                                                                                           Genus # Micropharynx - Jaegerskiold, 1896
                                                                                                           Genus # Tiddles - Marcus, 1963
                                                                             Superfamily # Bdellouroidea - Diesing, 1862
                                                                                   Family # Bdellouridae - Diesing, 1862
                                                                                         Subfamily # Bdellourinae - Diesing, 1862
                                                                                                           Genus # Bdelloura - Leidy, 1851
                                                                                                           Genus # Nerpa - Marcus, 1948
                                                                                                           Genus # Pentacoelum - Westblad, 1935
                                                                                                           Genus # Syncoelidium - Wheeler, 1894
                                                                                         Subfamily # Palombiellinae - Sluys, 1989
                                                                                                           Genus # Miava - Marcus, 1954
                                                                                                           Genus # Palombiella - Westblad, 1952
                                                                                                           Genus # Synsiphonium - Hallez, 1911
                                                                                   Family # Uteriporidae - Böhmig, 1906
                                                                                         Subfamily # Ectoplaninae - Bresslau, 1933
                                                                                                           Genus # Ectoplana - Kaburaki, 1917
                                                                                                           Genus # Miroplana - Kato, 1931
                                                                                                           Genus # Nesion - Hyman, 1956
                                                                                                           Genus # Obrimoposthia - Sluys and Ball, 1989
                                                                                                           Genus # Ostenocula - Sluys, 1989
                                                                                                           Genus # Paucumara - Sluys, 1989
                                                                                                           Genus # Procerodella - Sluys, 1989
                                                                                                           Genus # Tryssosoma - Ball, 1977
                                                                                         Subfamily # Uteriporinae - Böhmig, 1906
                                                                                                           Genus # Allogenus - Sluys, 1989
                                                                                                           Genus # Camerata - Vila-Farré, Sluys, D'Aniello, Cebrià, Ferrer and Romero, 2009
                                                                                                           Genus # Dinizia - Marcus, 1947
                                                                                                           Genus # Foviella - Bock, 1925
                                                                                                           Genus # Leucolesma - Marcus, 1948
                                                                                                           Genus # Micaplana - Kato, 1937
                                                                                                           Genus # Nexilis - Holleman and Hand, 1962
                                                                                                           Genus # Uteriporus - Bergendal, 1890
                                                                                                           Genus # Vatapa - Marcus, 1948
                                                                             Superfamily # Cercyroidea - Böhmig, 1906
                                                                                   Family # Centrovarioplanidae - Westblad, 1952
                                                                                                           Genus # Centrovarioplana - Westblad, 1952
                                                                                   Family # Cercyridae - Böhmig, 1906
                                                                                                           Genus # Oregoniplana - Holmquist and Karling, 1972
                                                                                                           Genus # Stummeria - Böhmig, 1908
                                                                                               Tribe # Cercyrini - Böhmig, 1906
                                                                                                           Genus # Cerbussowia - Wilhelmi, 1909
                                                                                                           Genus # Cercyra - Schmidt, 1861
                                                                                                           Genus # Pacifides - Holmquist and Karling, 1972
                                                                                                           Genus # Probursa - Hyman, 1944
                                                                                                           Genus # Puiteca - Du Bois-Reymond Marcus, 1955
                                                                                                           Genus # Sabussowia - Böhmig, 1906
                                                                                   Family # Meixnerididae - Westblad, 1952
                                                                                                           Genus # Jugatovaria - Sluys and Ball, 1989
                                                                                                           Genus # Meixnerides - Westblad, 1952
                                                                             Superfamily # Procerodoidea - Diesing, 1862
                                                                                   Family # Procerodidae - Diesing, 1862
                                                                                                           Genus # Procerodes - Girard, 1850
                                         Subclass # Bothrioneodermata -  
                                               Infraclass # Bothrioplanata -  
                                                           Order # Bothrioplanida -  
                                                                                   Family # Bothrioplanidae - Vejdovsky, 1895
                                                                                                           Genus # Bothrioplana - Braun, 1881
                                               Infraclass # Neodermata -  
                                                           Order # Amphilinidea -  
                                                                                   Family # Amphilinidae -  
                                                                                                           Genus # Amphilina - Wagener, 1858
                                                                                                           Genus # Australamphilina - Johnston, 1931
                                                                                                           Genus # Gephyrolina - Poche, 1926
                                                                                                           Genus # Gigantolina - Poche, 1922
                                                                                                           Genus # Nesolecithus - Poche, 1922
                                                                                                           Genus # Schizochoerus - Poche, 1922
                                                           Order # Bothriocephalidea -  
                                                                                   Family # Bothriocephalidae -  
                                                                                                           Genus # Anantrum - Overstreet, 1968
                                                                                                           Genus # Andycestus - Kuchta, Scholz & Bray, 2008
                                                                                                           Genus # Bothriocephalus - Rudolphi, 1808
                                                                                                           Genus # Clestobothrium - Lühe, 1899
                                                                                                           Genus # Ichthybothrium - Khalil, 1971
                                                                                                           Genus # Kirstenella - Kuchta, 2012
                                                                                                           Genus # Oncodiscus - Yamaguti, 1934
                                                                                                           Genus # Penetrocephalus - Hanumantha Rao, 1960
                                                                                                           Genus # Plicatobothrium - Cable & Michaelis, 1967
                                                                                                           Genus # Plicocestus - Kuchta, Scholz & Bray, 2008
                                                                                                           Genus # Polyonchobothrium - Diesing, 1854
                                                                                                           Genus # Ptychobothrium - Lönnberg, 1889
                                                                                                           Genus # Schyzocotyle - Akhmerov, 1960
                                                                                                           Genus # Senga - Dollfus, 1934
                                                                                                           Genus # Taphrobothrium - Lühe, 1899
                                                                                                           Genus # Tetracampos - Wedl, 1861
                                                                                   Family # Echinophallidae -  
                                                                                                           Genus # Bothriocotyle - Ariola, 1900
                                                                                                           Genus # Echinophallus - Schumacher, 1914
                                                                                                           Genus # Mesoechinophallus - Kuchta, Scholz & Bray, 2008
                                                                                                           Genus # Neobothriocephalus - Mateo & Bullock, 1966
                                                                                                           Genus # Parabothriocephaloides - Yamaguti, 1934
                                                                                                           Genus # Parabothriocephalus - Yamaguti, 1934
                                                                                                           Genus # Paraechinophallus - Protasova, 1975
                                                                                                           Genus # Pseudamphicotyla - Yamaguti, 1959
                                                                                   Family # Triaenophoridae -  
                                                                                                           Genus # Abothrium - van Beneden, 1871
                                                                                                           Genus # Ailinella - Gil de Pertierra & Semenas, 2006
                                                                                                           Genus # Amphicotyle - Diesing, 1863
                                                                                                           Genus # Anchistrocephalus - Monticelli, 1890
                                                                                                           Genus # Anonchocephalus - Lühe, 1902
                                                                                                           Genus # Australicola - Kuchta & Scholz, 2006
                                                                                                           Genus # Bathybothrium - Lühe, 1902
                                                                                                           Genus # Bathycestus - Kuchta & Scholz, 2004
                                                                                                           Genus # Eubothrioides - Yamaguti, 1952
                                                                                                           Genus # Eubothrium - Nybelin, 1922
                                                                                                           Genus # Fistulicola - Lühe, 1899
                                                                                                           Genus # Galaxitaenia - Gil de Pertierra & Semenas, 2005
                                                                                                           Genus # Glossobothrium - Yamaguti, 1952
                                                                                                           Genus # Kimocestus - Kuchta, Scholz & Bray, 2008
                                                                                                           Genus # Marsipometra - Cooper, 1917
                                                                                                           Genus # Metabothriocephalus - Yamaguti, 1968
                                                                                                           Genus # Milanella - Kuchta & Scholz, 2008
                                                                                                           Genus # Parabothrium - Nybelin, 1922
                                                                                                           Genus # Philobythoides - Campbell, 1979
                                                                                                           Genus # Philobythos - Campbell, 1977
                                                                                                           Genus # Pistana - Campbell & Gartner, 1982
                                                                                                           Genus # Probothriocephalus - Campbell, 1979
                                                                                                           Genus # Pseudeubothrioides - Yamaguti, 1968
                                                                                                           Genus # Triaenophorus - Rudolphi, 1793
                                                           Order # Caryophyllidea -  
                                                                                   Family # Balanotaeniidae -  
                                                                                                           Genus # Balanotaenia - Johnston, 1924
                                                                                   Family # Capingentidae -  
                                                                                                           Genus # Adenoscolex - Fotedar, 1958
                                                                                                           Genus # Breviscolex - Kulakovskaya, 1962
                                                                                                           Genus # Capingens - Hunter, 1927
                                                                                                           Genus # Edlintonia - Mackiewicz, 1970
                                                                                                           Genus # Pseudolytocestus - Hunter, 1929
                                                                                                           Genus # Spartoides - Hunter, 1929
                                                                                   Family # Caryophyllaeidae -  
                                                                                                           Genus # Archigetes - Leuckart, 1878
                                                                                                           Genus # Biacetabulum - Hunter, 1927
                                                                                                           Genus # Bialovarium - Fischthal, 1953
                                                                                                           Genus # Calentinella - Mackiewicz, 1974
                                                                                                           Genus # Caryophyllaeus - Gmelin, 1790
                                                                                                           Genus # Dieffluvium - Williams, 1978
                                                                                                           Genus # Glaridacris - Cooper, 1920
                                                                                                           Genus # Homeomorpha - Dutton & Barger, 2014
                                                                                                           Genus # Hunterella - Mackiewicz & McCrae, 1962
                                                                                                           Genus # Hypocaryophyllaeus - Hunter, 1927
                                                                                                           Genus # Isoglaridacris - Mackiewicz, 1965
                                                                                                           Genus # Janiszewskella - Mackiewicz & Deutsch, 1976
                                                                                                           Genus # Monobothrium - Diesing, 1863
                                                                                                           Genus # Paracaryophyllaeus - Kulakovskaya, 1961
                                                                                                           Genus # Paraglaridacris - Janiszewska, 1950
                                                                                                           Genus # Penarchigetes - Mackiewicz, 1969
                                                                                                           Genus # Pliovitellaria - Fischthal, 1951
                                                                                                           Genus # Promonobothrium - Mackiewicz, 1968
                                                                                                           Genus # Rowardleus - Mackiewicz & Deutsch, 1976
                                                                                                           Genus # Wenyonia - Woodland, 1923
                                                                                   Family # Lytocestidae -  
                                                                                                           Genus # Atractolytocestus - Anthony, 1958
                                                                                                           Genus # Bovienia - Fuhrmann, 1931
                                                                                                           Genus # Caryoaustralus - Mackiewicz & Blair, 1980
                                                                                                           Genus # Caryophyllaeides - Nybelin, 1922
                                                                                                           Genus # Djombangia - Bovien, 1926
                                                                                                           Genus # Khawia - Hsü, 1935
                                                                                                           Genus # Lobulovarium - Oros, Ash, Brabec, Kar & Scholz, 2012
                                                                                                           Genus # Lucknowia - Gupta, 1961
                                                                                                           Genus # Lytocestoides - Baylis, 1928
                                                                                                           Genus # Lytocestus - Cohn, 1908
                                                                                                           Genus # Monobothrioides - Fuhrmann & Baer, 1925
                                                                                                           Genus # Notolytocestus - Johnston & Muirhead, 1950
                                                                                                           Genus # Pseudocaryophyllaeus - Gupta, 1961
                                                                                                           Genus # Stocksia - Woodland, 1937
                                                                                                           Genus # Tholophyllaeus - Mackiewicz & Blair, 1980
                                                           Order # Cathetocephalidea -  
                                                                                   Family # Cathetocephalidae -  
                                                                                                           Genus # Cathetocephalus - Dailey & Overstreet, 1973
                                                                                                           Genus # Sanguilevator - Caira, Mega & Ruhnke, 2005
                                                                                   Family # Disculicepitidae -  
                                                                                                           Genus # Disculiceps - Joyeux & Baer, 1936
                                                           Order # Cyclophyllidea -  
                                                                                                           Genus # Anoplotaenia - Beddard, 1911
                                                                                                           Genus # Dasyurotaenia - Beddard, 1912
                                                                                                           Genus # Deltokeras - Meggitt, 1927
                                                                                                           Genus # Insinuarotaenia - Spasskii, 1948
                                                                                                           Genus # Quentinia - Spasskii, 1969
                                                                                   Family # Acoleidae -  
                                                                                                           Genus # Acoleus - Fuhrmann, 1899
                                                                                                           Genus # Diplophallus - Fuhrmann, 1900
                                                                                   Family # Amabiliidae -  
                                                                                                           Genus # Amabilia - Diamare, 1893
                                                                                                           Genus # Decarabia - Konyaev & Gulyaev, 2005
                                                                                                           Genus # Diporotaenia - Spasskaya, Spasskii & Borgarenko, 1971
                                                                                                           Genus # Isezhia - Gulyaev & Koyaev, 2004
                                                                                                           Genus # Joyeuxilepis - Spasskii, 1947
                                                                                                           Genus # Laterorchites - Fuhrmann, 1932
                                                                                                           Genus # Mircia - Konyaev & Gulyaev, 2006
                                                                                                           Genus # Pseudoschistotaenia - Fotedar & Chishti, 1976
                                                                                                           Genus # Ryjikovilepis - Gulyaev & Tolkacheva, 1987
                                                                                                           Genus # Schistotaenia - Cohn, 1900
                                                                                                           Genus # Tatria - Kowalewski, 1904
                                                                                   Family # Anoplocephalidae -  
                                                                                         Subfamily # Anoplocephalinae - Blanchard, 1891
                                                                                                           Genus # Afrobaeria - Haukisalmi, 2008
                                                                                                           Genus # Afrojoyeuxia - Haukisalmi, 2013
                                                                                                           Genus # Andrya - Railliet, 1893
                                                                                                           Genus # Anoplocephala - Blanchard, 1848
                                                                                                           Genus # Anoplocephaloides - Baer, 1923
                                                                                                           Genus # Aporina - Fuhrmann, 1902
                                                                                                           Genus # Arctocestus - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Beringitaenia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Bertiella - Stiles & Hassell, 1902
                                                                                                           Genus # Bulbutaenia - Beveridge, 1994
                                                                                                           Genus # Chionocestus - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Cittotaenia - Riehm, 1881
                                                                                                           Genus # Cookiella - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Crossotaenia - Mahon, 1954
                                                                                                           Genus # Ctenotaenia - Railliet, 1893
                                                                                                           Genus # Diandrya - Darrah, 1930
                                                                                                           Genus # Diuterinotaenia - Gvozdev, 1961
                                                                                                           Genus # Douthittia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Ectopocephalium - Rausch & Ohbayashi, 1974
                                                                                                           Genus # Equinia - Haukisalmi, 2009
                                                                                                           Genus # Eurotaenia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Flabelloskrjabinia - Spasskii, 1951
                                                                                                           Genus # Gallegoides - Tenora & Mas-Coma, 1978
                                                                                                           Genus # Genovia - Haukisalmi, 2009
                                                                                                           Genus # Gulyaevia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Hemiparonia - Baer, 1925
                                                                                                           Genus # Hokkaidocephala - Tenora, Gulyaev & Kamiya, 1999
                                                                                                           Genus # Hunkeleriella - Haukisalmi, 2013
                                                                                                           Genus # Killigrewia - Meggitt, 1927
                                                                                                           Genus # Lemminia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Leporidotaenia - Genov, Murai, Georgiev & Harris, 1990
                                                                                                           Genus # Marmotocephala - Gvozdev, Zhigileva & Gulyaev, 2004
                                                                                                           Genus # Microcephaloides - Haukisalmi, Hardman, Hardman, Rausch & Henttonen, 2008
                                                                                                           Genus # Microticola - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Moniezia - Blanchard, 1891
                                                                                                           Genus # Moniezoides - Fuhrmann, 1918
                                                                                                           Genus # Monoecocestus - Beddard, 1914
                                                                                                           Genus # Mosgovoyia - Spasskii, 1951
                                                                                                           Genus # Neandrya - Haukisalmi & Wickström, 2005
                                                                                                           Genus # Neoctenotaenia - Tenora, 1976
                                                                                                           Genus # Parandrya - Gulyaev & Chechulin, 1996
                                                                                                           Genus # Paranoplocephala - Lühe, 1910
                                                                                                           Genus # Paranoplocephaloides - Gulyaev, 1996
                                                                                                           Genus # Parasciurotaenia - Haukisalmi, 2009
                                                                                                           Genus # Paronia - Diamare, 1900
                                                                                                           Genus # Phascolocestus - Beveridge, 2014
                                                                                                           Genus # Phascolotaenia - Beveridge, 1976
                                                                                                           Genus # Progamotaenia - Nybelin, 1917
                                                                                                           Genus # Pseudocittotaenia - Tenora, 1976
                                                                                                           Genus # Pulluterina - Smithers, 1954
                                                                                                           Genus # Rauschoides - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Rodentocestus - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Schizorchis - Hansen, 1948
                                                                                                           Genus # Stringopotaenia - Beveridge, 1978
                                                                                                           Genus # Tenoraia - Haukisalmi, Hardman, Hoberg & Henttonen, 2014
                                                                                                           Genus # Triplotaenia - Boas, 1902
                                                                                                           Genus # Triuterina - Fuhrmann, 1922
                                                                                                           Genus # Viscachataenia - Denegri, Dophic, Elissondo & Beveridge, 2003
                                                                                                           Genus # Wallabicestus - Schmidt, 1975
                                                                                         Subfamily # Inermicapsiferinae - Lopez-Neyra, 1943
                                                                                                           Genus # Inermicapsiper - Janicki, 1910
                                                                                                           Genus # Metacapsifer - Spasskii, 1951
                                                                                                           Genus # Pericpasifer - Spasskii, 1951
                                                                                                           Genus # Thysanotaenia - Beddard, 1911
                                                                                         Subfamily # Linstowiinae - Fuhrmann, 1907
                                                                                                           Genus # Atriotaenia - Sandground, 1926
                                                                                                           Genus # Cycloskrjabinia - Spasskii, 1951
                                                                                                           Genus # Echidnotaenia - Beveridge, 1980
                                                                                                           Genus # Gekkotaenia - Bursey, Goldberg & Kraus, 2005
                                                                                                           Genus # Linstowia - Zschokke, 1899
                                                                                                           Genus # Mathevotaenia - Akhumyan, 1946
                                                                                                           Genus # Oochoristica - Lühe, 1898
                                                                                                           Genus # Panceriella - Stunkard, 1969
                                                                                                           Genus # Paralinstowia - Baer, 1927
                                                                                                           Genus # Pritchardia - Gardner, Agustín Jimenez & Campbell, 2013
                                                                                                           Genus # Sinaiotaenia - Wertheim & Greenberg, 1971
                                                                                                           Genus # Tupaiataenia - Schmidt & File, 1977
                                                                                                           Genus # Witenbergitaenia - Wertheim, Schmidt & Greenberg, 1986
                                                                                         Subfamily # Thysanosomatinae - Fuhrmann, 1907
                                                                                                           Genus # Avitellina - Gough, 1911
                                                                                                           Genus # Stilesia - Railliet, 1893
                                                                                                           Genus # Thysaniezia - Skryabin, 1926
                                                                                                           Genus # Thysanosoma - Diesing, 1835
                                                                                                           Genus # Wyominia - Scott, 1941
                                                                                   Family # Catenotaeniidae -  
                                                                                         Subfamily # Catenotaeniinae - Spassky, 1950
                                                                                                           Genus # Catenotaenia - Janicki, 1904
                                                                                                           Genus # Catenotaenioides - Haukisalmi, Hardman & Henttonen, 2010
                                                                                                           Genus # Hemicatenotaenia - Tenora, 1977
                                                                                                           Genus # Pseudocatenotaenia - Tenora, Mac-Coma, Murai & Feliu, 1980
                                                                                         Subfamily # Skrjabinotaeniinae - Genov & Tenora, 1979
                                                                                                           Genus # Meggittina - Lynsdale, 1953
                                                                                                           Genus # Skrjabinotaenia - Akhumyan, 1946
                                                                                   Family # Davaineidae -  
                                                                                         Subfamily # Davaineinae - Braun, 1900
                                                                                                           Genus # Abuladzugnia - Spasskii, 1973
                                                                                                           Genus # Baerfainia - Yamaguti, 1959
                                                                                                           Genus # Calostaurus - Sanders, 1957
                                                                                                           Genus # Cotugnia - Diamare, 1893
                                                                                                           Genus # Davainea - Blanchard, 1891
                                                                                                           Genus # Davaineoides - Fuhrmann, 1920
                                                                                                           Genus # Delamuretta - Spasskii, 1977
                                                                                                           Genus # Demidovella - Spasskii & Spasskaya, 1976
                                                                                                           Genus # Diorchiraillietina - Yamaguti, 1959
                                                                                                           Genus # Dollfusoquenta - Spasskii, 1973
                                                                                                           Genus # Fernandezia - López-Neyra, 1936
                                                                                                           Genus # Fuhrmannetta - Stiles & Orleman, 1926
                                                                                                           Genus # Gvosdevinia - Spasskii, 1973
                                                                                                           Genus # Houttuynia - Furhmann, 1920
                                                                                                           Genus # Idiogenoides - López-Neyra, 1929
                                                                                                           Genus # Manitaurus - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Metadavainea - Baer & Fain, 1955
                                                                                                           Genus # Multicotugnia - Lópex-Neyra, 1943
                                                                                                           Genus # Numidella - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Ophryocotyle - Friis, 1870
                                                                                                           Genus # Ophryocotyloides - Fuhrmann, 1920
                                                                                                           Genus # Ophryocotylus - Srivastava & Capoor, 1977
                                                                                                           Genus # Paroniella - Fuhrmann, 1920
                                                                                                           Genus # Paspalia - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Pentocoronaria - Matevosyan & Movsesyan, 1966
                                                                                                           Genus # Pluviantaenia - Jones, Khalil & Bray, 1992
                                                                                                           Genus # Porogynia - Railliet & Henry, 1909
                                                                                                           Genus # Raillietina - Fuhrmann, 1920
                                                                                                           Genus # Skrjabinia - Fuhrmann, 1920
                                                                                                           Genus # Soninotaurus - Spasskii, 1973
                                                                                                           Genus # Vadifresia - Spasskii, 1973
                                                                                         Subfamily # Idiogeninae - Fuhrmann, 1907
                                                                                                           Genus # Chapamania - Monticelli, 1893
                                                                                                           Genus # Idiogenes - Krabbe, 1868
                                                                                                           Genus # Otiditaenia - Beddard, 1912
                                                                                                           Genus # Pseudoidiogenes - Movsesyan, 1971
                                                                                                           Genus # Satyanarayana - Khan, 1984
                                                                                                           Genus # Sphyroncotaenia - Ransom, 1911
                                                                                   Family # Dilepididae -  
                                                                                                           Genus # Acanthocirrus - Fuhrmann, 1907
                                                                                                           Genus # Aelurotaenia - Cameron, 1928
                                                                                                           Genus # Alcataenia - Spasskaya, 1971
                                                                                                           Genus # Alproma - Spasskii, 1982
                                                                                                           Genus # Amoebotaenia - Cohn, 1899
                                                                                                           Genus # Angularella - Strand, 1928
                                                                                                           Genus # Anomolepis - Spasskii, Yurpalova & Kornyushin, 1968
                                                                                                           Genus # Anomotaenia - Cohn, 1900
                                                                                                           Genus # Apokrimi - Bona, 1994
                                                                                                           Genus # Apoliga - Bona, 1994
                                                                                                           Genus # Arctotaenia - Baer, 1956
                                                                                                           Genus # Arlenelepis - Georgiev & Vaucher, 2004
                                                                                                           Genus # Arostellina - Neiland, 1955
                                                                                                           Genus # Bakererpes - Rausch, 1947
                                                                                                           Genus # Birovilepis - Spasskii, 1975
                                                                                                           Genus # Bonaia - Mariaux & Vaucher, 1990
                                                                                                           Genus # Bucerolepis - Spasskii & Spasskii, 1967
                                                                                                           Genus # Burhinotaenia - Spasskii & Spasskaya, 1965
                                                                                                           Genus # Capsulata - Sandeman, 1959
                                                                                                           Genus # Chimaerula - Bona, 1994
                                                                                                           Genus # Chitinorecta - Meggitt, 1927
                                                                                                           Genus # Choanotaenia - Railliet, 1896
                                                                                                           Genus # Cinclotaenia - Macy, 1973
                                                                                                           Genus # Cotylorhipis - Blanchard, 1909
                                                                                                           Genus # Cuculincola - Bona, 1994
                                                                                                           Genus # Dictymetra - Clark, 1952
                                                                                                           Genus # Dilepidoides - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Dilepis - Weinland, 1858
                                                                                                           Genus # Eburneotaenia - Bona, 1994
                                                                                                           Genus # Echinotaenia - Mokhehle, 1951
                                                                                                           Genus # Emberizotaenia - Spasskaya, 1970
                                                                                                           Genus # Ethiopotaenia - Mettrick, 1961
                                                                                                           Genus # Eugonodaeum - Beddard, 1913
                                                                                                           Genus # Eurycestus - Clark, 1954
                                                                                                           Genus # Fuhrmannolepis - Spasskii & Yurpalova, 1967
                                                                                                           Genus # Gibsonilepis - Dimitrova, Mariaux & Georgiev, 2013
                                                                                                           Genus # Glanduluncinata - Bona, 1994
                                                                                                           Genus # Gruitaenia - Spasskii, Borgarenko & Spasskya, 1971
                                                                                                           Genus # Hepatocestus - Bona, 1994
                                                                                                           Genus # Himantaurus - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Hirundinicola - Birova-Volosinovicova, 1969
                                                                                                           Genus # Hunkeleria - Spasskii, 1992
                                                                                                           Genus # Imparmargo - Davidson, Doster & Prestwood, 1974
                                                                                                           Genus # Ivritaenia - Singh, 1962
                                                                                                           Genus # Kintneria - Spasskii, 1968
                                                                                                           Genus # Kotlanolepis - Murai & Georgiev, 1987
                                                                                                           Genus # Kowalewskiella - Baczynska, 1914
                                                                                                           Genus # Krimi - Burt, 1944
                                                                                                           Genus # Laritaenia - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Lateriporus - Fuhrmann, 1907
                                                                                                           Genus # Liga - Weinland, 1857
                                                                                                           Genus # Malika - Woodland, 1929
                                                                                                           Genus # Megacirrus - Beck, 1951
                                                                                                           Genus # Megalacanthus - Moghe, 1926
                                                                                                           Genus # Mirandula - Sanders, 1956
                                                                                                           Genus # Molluscotaenia - Spasskii & Andreiko, 1971
                                                                                                           Genus # Monoliga - Bona, 1994
                                                                                                           Genus # Monopylidium - Fuhrmann, 1899
                                                                                                           Genus # Monosertum - Bona, 1994
                                                                                                           Genus # Multitesticulata - Meggitt, 1927
                                                                                                           Genus # Neoliga - Singh, 1952
                                                                                                           Genus # Neovalipora - Baer, 1962
                                                                                                           Genus # Neyralla - Johri, 1955
                                                                                                           Genus # Nototaenia - Jones & Williams, 1967
                                                                                                           Genus # Onderstepoortia - Ortlepp, 1938
                                                                                                           Genus # Ovosculpta - Bona, 1994
                                                                                                           Genus # Paraliga - Belopolskaya & Kulachkova, 1973
                                                                                                           Genus # Paricterotaenia - Fuhrmann, 1932
                                                                                                           Genus # Parorchites - Fuhrmann, 1932
                                                                                                           Genus # Platyscolex - Spasskaya, 1962
                                                                                                           Genus # Polycercus - Villot, 1883
                                                                                                           Genus # Prochoanotaenia - Meggitt, 1924
                                                                                                           Genus # Pseudangularia - Burt, 1938
                                                                                                           Genus # Pseudochoanotaenia - Burt, 1938
                                                                                                           Genus # Ptilotolepis - Spasskii, 1969
                                                                                                           Genus # Rallitaenia - Spasskii & Spasskaya, 1975
                                                                                                           Genus # Rauschitaenia - Bondarenko & Tomilovskaja, 1979
                                                                                                           Genus # Reticulotaenia - Hoberg, 1985
                                                                                                           Genus # Sacciuterina - Matevosyan, 1963
                                                                                                           Genus # Sobolevitaenia - Spasskaya & Makarenko, 1965
                                                                                                           Genus # Spasskytaenia - Oshmarin, 1956
                                                                                                           Genus # Spasspasskya - Bona, 1994
                                                                                                           Genus # Spiniglans - Yamaguti, 1959
                                                                                                           Genus # Spinilepis - Oshmarin, 1972
                                                                                                           Genus # Spreotaenia - Spasskii, 1969
                                                                                                           Genus # Stenovaria - Spasskii & Borgarenko, 1973
                                                                                                           Genus # Trichocephaloidis - Sinitzin, 1896
                                                                                                           Genus # Tubanguiella - Yamaguti, 1959
                                                                                                           Genus # Unciunia - Skrjabin, 1914
                                                                                                           Genus # Vitta - Burt, 1938
                                                                                   Family # Dioicocestidae -  
                                                                                         Subfamily # Dioicocestinae - Southwell, 1930
                                                                                                           Genus # Dioicocestus - Fuhrmann, 1900
                                                                                         Subfamily # Gyrocoeliinae - Yamaguti, 1959
                                                                                                           Genus # Echinoshipleya - Tolkacheva, 1979
                                                                                                           Genus # Gyrocoelia - Fuhrmann, 1899
                                                                                                           Genus # Infula - Burt, 1939
                                                                                                           Genus # Shipleya - Fuhrmann, 1908
                                                                                   Family # Dipylidiidae -  
                                                                                                           Genus # Diplopylidium - Beddard, 1913
                                                                                                           Genus # Dipylidium - Leuckart, 1863
                                                                                                           Genus # Joyeuxiella - Fuhrmann, 1935
                                                                                   Family # Gryporhynchidae -  
                                                                                                           Genus # Amirthalingamia - Bray, 1974
                                                                                                           Genus # Ascodilepis - Guildal, 1960
                                                                                                           Genus # Baerbonaia - Deblock, 1966
                                                                                                           Genus # Bancroftiella - Johnston, 1911
                                                                                                           Genus # Clelandia - Johnston, 1909
                                                                                                           Genus # Cyclorchida - Fuhrmann, 1907
                                                                                                           Genus # Cyclustera - Fuhrmann, 1901
                                                                                                           Genus # Dendrouterina - Fuhrmann, 1912
                                                                                                           Genus # Glossocercus - Chandler, 1935
                                                                                                           Genus # Mashonalepis - Beverley-Burton, 1960
                                                                                                           Genus # Neogryporhynchus - Baer & Bona, 1960
                                                                                                           Genus # Paradilepis - Hsü, 1935
                                                                                                           Genus # Parvitaenia - Burt, 1940
                                                                                                           Genus # Proorchida - Fuhrmann, 1908
                                                                                                           Genus # Proparadilepis - Kornyushin & Greben, 2014
                                                                                                           Genus # Valipora - Linton, 1927
                                                                                   Family # Hymenolepididae -  
                                                                                                           Genus # Allohymenolepis - Yamaguti, 1956
                                                                                                           Genus # Amazilolepis - Schmidt & Dailey, 1992
                                                                                                           Genus # Amphipetrovia - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Anatinella - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Aploparaksis - Clerc, 1903
                                                                                                           Genus # Armadolepis - Spasskii, 1954
                                                                                                           Genus # Armadoskrjabinia - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Arostrilepis - Mas-Coma & Tenora, 1997
                                                                                                           Genus # Arvicolepis - Makarikov, Gulyaev & Chechulin, 2005
                                                                                                           Genus # Avocettolepis - Spasskii & Kornyushin, 1971
                                                                                                           Genus # Biglandatrium - Spasskaya, 1961
                                                                                                           Genus # Blarinolepis - Tkach & Kornyushin, 1997
                                                                                                           Genus # Branchiopodataenia - Bondarenko & Kontrimavichus, 2004
                                                                                                           Genus # Calixolepis - Macko & Hanzelova, 1997
                                                                                                           Genus # Capiuterilepis - Oschmarin, 1962
                                                                                                           Genus # Chimaerolepis - Spasskii & Spasskaya, 1972
                                                                                                           Genus # Chitinolepis - Baylis, 1926
                                                                                                           Genus # Cladogynia - Baer, 1938
                                                                                                           Genus # Cloacotaenia - Wolffhügel, 1938
                                                                                                           Genus # Colibrilepis - Widmer, Georgiev & Mariaux, 2013
                                                                                                           Genus # Confluaria - Ablasov in Spasskaya, 1966
                                                                                                           Genus # Coronacanthus - Spasskii, 1954
                                                                                                           Genus # Cryptocotylepis - Skrjabin & Mathevossian, 1948
                                                                                                           Genus # Debloria - Spasskii, 1975
                                                                                                           Genus # Dicranotaenia - Railliet, 1892
                                                                                                           Genus # Diorchilepis - Lykova, Gulyaev, Melnikova & Karpenko, 2006
                                                                                                           Genus # Diorchis - Clerc, 1903
                                                                                                           Genus # Diplogynia - Baer, 1925
                                                                                                           Genus # Diploposthe - Jacobi, 1896
                                                                                                           Genus # Ditestolepis - Soltys, 1952
                                                                                                           Genus # Dollfusilepis - Vasileva, Georgiev & Genov, 1998
                                                                                                           Genus # Drepanidotaenia - Railliet, 1892
                                                                                                           Genus # Dubininolepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Echinatrium - Spasskii & Yurpalova, 1965
                                                                                                           Genus # Echinocotyle - Blanchard, 1891
                                                                                                           Genus # Echinolepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Echinorhynchotaenia - Fuhrmann, 1909
                                                                                                           Genus # Ecrinolepis - Spasskii & Karpenko, 1983
                                                                                                           Genus # Fimbriaria - Fröhlich, 1802
                                                                                                           Genus # Fimbriariella - Wolffhügel, 1936
                                                                                                           Genus # Fimbriarioides - Fuhrmann, 1932
                                                                                                           Genus # Fimbriasacculus - Alexander & McLaughlin, 1996
                                                                                                           Genus # Flamingolepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Fuhrmannacanthus - Spasskii, 1966
                                                                                                           Genus # Gastrotaenia - Wolffhügel, 1938
                                                                                                           Genus # Geraldolepis - Czaplinski & Vaucher, 1994
                                                                                                           Genus # Globarilepis - Bondarenko, 1966
                                                                                                           Genus # Gulyaevilepis - Kornienko & Binkiene, 2014
                                                                                                           Genus # Gvosdevilepis - Spasskii, 1953
                                                                                                           Genus # Hamatolepis - Spasskii, 1962
                                                                                                           Genus # Helicoductus - Deblock & Canaris, 2001
                                                                                                           Genus # Hilmylepis - Skrjabin & Mathevossian, 1942
                                                                                                           Genus # Hispaniolepis - López-Neyra, 1942
                                                                                                           Genus # Hunkelepis - Czaplinski & Vaucher, 1994
                                                                                                           Genus # Hymenandrya - Smith, 1954
                                                                                                           Genus # Hymenolepis - Weinland, 1858
                                                                                                           Genus # Jardugia - Southwell & Hilmy, 1929
                                                                                                           Genus # Lineolepis - Spasskii, 1959
                                                                                                           Genus # Lobatolepis - Yamaguti, 1959
                                                                                                           Genus # Lockerrauschia - Yamaguti, 1959
                                                                                                           Genus # Lophurolepis - Spasskii, 1973
                                                                                                           Genus # Mackoja - Kornyushin, 1983
                                                                                                           Genus # Mackolepis - Spasskii, 1962
                                                                                                           Genus # Mathevolepis - Spasskii, 1948
                                                                                                           Genus # Matiaraensis - Dixit & Capoor, 1988
                                                                                                           Genus # Microsomacanthus - López-Neyra, 1942
                                                                                                           Genus # Milina - van Beneden, 1873
                                                                                                           Genus # Monogynolepis - Czaplinski & Vaucher, 1994
                                                                                                           Genus # Monorcholepis - Oshmarin, 1961
                                                                                                           Genus # Monotestilepis - Gvosdev, Maksimova & Kornyushin, 1971
                                                                                                           Genus # Nadejdlepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Nematoparataenia - Maplestone & Southwell, 1922
                                                                                                           Genus # Neodiorchis - Bilqees & Fatima, 1984
                                                                                                           Genus # Neoligorchis - Johri, 1960
                                                                                                           Genus # Neomylepis - Tkach, 1998
                                                                                                           Genus # Neoskrjabinolepis - Spassky, 1947
                                                                                                           Genus # Nomadolepis - Makarikov, Gulyaev & Krivopalov, 2010
                                                                                                           Genus # Novobrachylepis - Özdikmen, 2010
                                                                                                           Genus # Octacanthus - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Oligorchis - Fuhrmann, 1906
                                                                                                           Genus # Ortleppolepis - Spasskii, 1965
                                                                                                           Genus # Oschmarinolepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Parabisaccanthes - Maksimova, 1963
                                                                                                           Genus # Paradicranotaenia - López-Neyra, 1943
                                                                                                           Genus # Parafimbriaria - Voge & Read, 1954
                                                                                                           Genus # Paramilina - Makarikova, Gulyaev, Tiunov & Feng, 2010
                                                                                                           Genus # Paraoligorchis - Wason & Johnson, 1977
                                                                                                           Genus # Pararetinometra - Stock & Holmes, 1982
                                                                                                           Genus # Pararodentolepis - Makarikov & Gulyaev, 2009
                                                                                                           Genus # Passerilepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Pentorchis - Meggitt, 1927
                                                                                                           Genus # Podicipitilepis - Yamaguti, 1959
                                                                                                           Genus # Polytestilepis - Oshmarin, 1960
                                                                                                           Genus # Potorolepis - Spasskii, 1994
                                                                                                           Genus # Profimbriaria - Wolffhügel, 1936
                                                                                                           Genus # Protogynella - Jones, 1943
                                                                                                           Genus # Pseudandrya - Fuhrmann, 1943
                                                                                                           Genus # Pseudanoplocephala - Baylis, 1927
                                                                                                           Genus # Pseudhymenolepis - Joyeux & Baer, 1935
                                                                                                           Genus # Pseudobotrialepis - Schaldybin, 1957
                                                                                                           Genus # Pseudodiorchis - Skrjabin & Mathevossian, 1948
                                                                                                           Genus # Pseudoligorchis - Johri, 1934
                                                                                                           Genus # Relictolepis - Gulyaev & Makarikov, 2007
                                                                                                           Genus # Retinometra - Spasskii, 1955
                                                                                                           Genus # Rodentolepis - Spasskii, 1954
                                                                                                           Genus # Sawadalepis - Makarikova & Makarikov, 2013
                                                                                                           Genus # Schmelzia - Yamaguti, 1959
                                                                                                           Genus # Skrjabinacanthus - Spasskii & Morozov, 1959
                                                                                                           Genus # Skrjabinoparaxis - Krotov, 1949
                                                                                                           Genus # Sobolevicanthus - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Soricinia - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Spasskylepis - Schaldybin, 1964
                                                                                                           Genus # Staphylepis - Spasskii & Oschmarin, 1954
                                                                                                           Genus # Staphylocystis - Villot, 1877
                                                                                                           Genus # Staphylocystoides - Yamaguti, 1952
                                                                                                           Genus # Sternolepis - Dixit & Capoor, 1988
                                                                                                           Genus # Sudarikovina - Spasskii, 1951
                                                                                                           Genus # Talpolepis - Gulyaev & Melnikova, 2005
                                                                                                           Genus # Thaumasiolepis - Mariaux & Vaucher, 1989
                                                                                                           Genus # Triodontolepis - Yamaguti, 1959
                                                                                                           Genus # Tschertkovilepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Urocystis - Villot, 1880
                                                                                                           Genus # Vampirolepidoides - Yamaguti, 1959
                                                                                                           Genus # Vampirolepis - Spasskii, 1954
                                                                                                           Genus # Variolepis - Spasskii & Spasskaya, 1954
                                                                                                           Genus # Vaucherilepis - Tkach, Vasileva & Genov, 2003
                                                                                                           Genus # Vigisolepis - Mathevossian, 1945
                                                                                                           Genus # Vogelepis - Czaplinski & Vaucher, 1994
                                                                                                           Genus # Wardium - Mayhew, 1925
                                                                                                           Genus # Wardoides - Spasskii, 1963
                                                                                   Family # Mesocestoididae -  
                                                                                         Subfamily # Mesocestoidinae - Perrier, 1897
                                                                                                           Genus # Mesocestoides - Vaillant, 1863
                                                                                         Subfamily # Mesogyninae - Tschertkova & Kosupko, 1977
                                                                                                           Genus # Mesogyna - Voge, 1952
                                                                                   Family # Metadilepididae -  
                                                                                                           Genus # Cracticotaenia - Spasskii, 1966
                                                                                                           Genus # Hamatofuhrmania - Spasskii, 1969
                                                                                                           Genus # Mariauxilepis - Georgiev & Vaucher, 2003
                                                                                                           Genus # Metadilepis - Spasskii, 1949
                                                                                                           Genus # Proparuterina - Fuhrmann, 1911
                                                                                                           Genus # Pseudadelphoscolex - Mariaux, Bona & Vaucher, 1992
                                                                                                           Genus # Schmidneila - Spasskii & Spasskaya, 1973
                                                                                                           Genus # Skrjabinoporus - Spasskii & Borgarenko, 1960
                                                                                                           Genus # Urutaulepis - Georgiev & Vaucher, 2003
                                                                                                           Genus # Yapolepis - Mariaux, 1991
                                                                                   Family # Nematotaeniidae -  
                                                                                                           Genus # Bitegmen - Jones, 1987
                                                                                                           Genus # Cylindrotaenia - Jewell, 1916
                                                                                                           Genus # Distoichometra - Dickey, 1921
                                                                                                           Genus # Lanfrediella - Melo, Giese, Furtado, Soares, Gonçalves, Vallinoto & Santos, 2011
                                                                                                           Genus # Nematotaenia - Lühe, 1899
                                                                                   Family # Paruterinidae -  
                                                                                                           Genus # Anonchotaenia - Cohn, 1900
                                                                                                           Genus # Ascometra - Cholodkowsky, 1912
                                                                                                           Genus # Biuterina - Fuhrmann, 1902
                                                                                                           Genus # Cladotaenia - Cohn, 1901
                                                                                                           Genus # Cucolepis - Phillips, Mariaux & Georgiev, 2012
                                                                                                           Genus # Culcitella - Fuhrmann, 1906
                                                                                                           Genus # Dictyterina - Spasskii in Spasskaya & Spasskii, 1971
                                                                                                           Genus # Francobona - Georgiev & Kornyushin, 1994
                                                                                                           Genus # Laterotaenia - Fuhrmann, 1906
                                                                                                           Genus # Lyruterina - Spasskaya & Spasskii, 1971
                                                                                                           Genus # Matabelea - Mettrick, 1963
                                                                                                           Genus # Metroliasthes - Ransom, 1900
                                                                                                           Genus # Mogheia - López-Neyra, 1944
                                                                                                           Genus # Neyraia - Joyeux & Timon-David, 1934
                                                                                                           Genus # Notopentorchis - Burt, 1938
                                                                                                           Genus # Octopetalum - Baylis, 1914
                                                                                                           Genus # Orthoskrjabinia - Spasskii, 1947
                                                                                                           Genus # Paruterina - Fuhrmann, 1906
                                                                                                           Genus # Parvirostrum - Fuhrmann, 1908
                                                                                                           Genus # Rhabdometra - Cholodkowsky, 1906
                                                                                                           Genus # Spasskyterina - Kornyushin, 1989
                                                                                                           Genus # Sphaeruterina - Johnston, 1914
                                                                                                           Genus # Triaenorhina - Spasskii & Shumilo, 1965
                                                                                                           Genus # Troguterina - Spasskii, 1991
                                                                                   Family # Progynotaeniidae -  
                                                                                         Subfamily # Gynandrotaeniinae - Fuhrmann, 1936
                                                                                                           Genus # Gynandrotaenia - Fuhrmann, 1936
                                                                                                           Genus # Thomasitaenia - Ukoli, 1965
                                                                                         Subfamily # Progynotaeniinae - Fuhrmann, 1936
                                                                                                           Genus # Leptotaenia - Cohn, 1901
                                                                                                           Genus # Paraprogynotaenia - Rysavy, 1966
                                                                                                           Genus # Progynotaenia - Fuhrmann, 1909
                                                                                                           Genus # Proterogynotaenia - Fuhrmann, 1911
                                                                                   Family # Taeniidae -  
                                                                                         Subfamily # Echinococcinae - Abuladze, 1960
                                                                                                           Genus # Echinococcus - Rudolphi, 1801
                                                                                         Subfamily # Taeniinae - Stiles, 1896
                                                                                                           Genus # Hydatigera - Lamarck, 1816
                                                                                                           Genus # Taenia - Linnaeus, 1758
                                                                                                           Genus # Versteria - Nakao, Lavikainen, Iwaki, Haukisalmi, Konyaev, Oku, Okamoto & Ito, 2013
                                                           Order # Diphyllidea -  
                                                                                   Family # Echinobothriidae -  
                                                                                                           Genus # Ahamulina - Marques, Jensen & Caira, 2012
                                                                                                           Genus # Andocadoncum - Abbott & Caira, 2014
                                                                                                           Genus # Coronocestus - Caira, Marques, Jensen, Kuchta & Ivanov, 2013
                                                                                                           Genus # Ditrachybothridium - Rees, 1959
                                                                                                           Genus # Echinobothrium - van Beneden, 1849
                                                                                                           Genus # Halysioncum - Caira, Marques, Jensen, Kuchta & Ivanov, 2013
                                                           Order # Diphyllobothriidea -  
                                                                                                           Genus # Hexagonoporus - Gubanov in Delyamure, 1955
                                                                                   Family # Cephalochlamydidae -  
                                                                                                           Genus # Cephalochlamys - Blanchard, 1908
                                                                                                           Genus # Paracephalochlamys - Jackson & Tinsley, 2001
                                                                                   Family # Diphyllobothriidae -  
                                                                                                           Genus # Adenocephalus - Nybelin, 1931
                                                                                                           Genus # Baylisia - Markowski, 1952
                                                                                                           Genus # Baylisiella - Markowski, 1952
                                                                                                           Genus # Diphyllobothrium - Cobbold, 1858
                                                                                                           Genus # Diplogonoporus - Lönnberg, 1892
                                                                                                           Genus # Flexobothrium - Yurakhno, 1989
                                                                                                           Genus # Glandicephalus - Fuhrmann, 1921
                                                                                                           Genus # Ligula - Bloch, 1782
                                                                                                           Genus # Plicobothrium - Rausch & Margolis, 1969
                                                                                                           Genus # Pyramicocephalus - Monticelli, 1890
                                                                                                           Genus # Schistocephalus - Creplin, 1829
                                                                                                           Genus # Spirometra - Faust, Campbell & Kellogg, 1929
                                                                                                           Genus # Tetragonoporus - Skryabin, 1961
                                                                                   Family # Solenophoridae -  
                                                                                                           Genus # Bothridium - de Blainville in Bremser, 1824
                                                                                                           Genus # Duthiersia - Perrier, 1873
                                                                                                           Genus # Scyphocephalus - Riggenbach, 1898
                                                           Order # Gyrocotylidea -  
                                                                                   Family # Gyrocotylidae -  
                                                                                                           Genus # Gyrocotyle - Diesing, 1850
                                                           Order # Haplobothriidea -  
                                                                                   Family # Haplobothriidae -  
                                                                                                           Genus # Haplobothrium - Cooper, 1914
                                                           Order # Lecanicephalidea -  
                                                                                                           Genus # Corrugatocephalum - Caira, Jensen & Yamane, 1997
                                                                                                           Genus # Healyum - Jensen, 2001
                                                                                                           Genus # Quadcuspibothrium - Jensen, 2001
                                                                                   Family # Aberrapecidae -  
                                                                                                           Genus # Aberrapex - Jensen, 2001
                                                                                   Family # Cephalobothiidae -  
                                                                                                           Genus # Adelobothrium - Shipley, 1900
                                                                                                           Genus # Cephalobothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Tylocephalum - Linton, 1890
                                                                                   Family # Eniochobothriidae -  
                                                                                                           Genus # Eniochobothrium - Shipley & Hornell, 1906
                                                                                   Family # Lecanicephalidae -  
                                                                                                           Genus # Collicocephalus - Koch, Jensen & Caira, 2012
                                                                                                           Genus # Elicilacunosus - Koch, Jensen & Caira, 2012
                                                                                                           Genus # Flapocephalus - Deshmukh, 1979
                                                                                                           Genus # Floriparicapitus - Cielocha, Jensen & Caira, 2014
                                                                                                           Genus # Hexacanalis - Perrenoud, 1931
                                                                                                           Genus # Lecanicephalum - Linton, 1890
                                                                                                           Genus # Rexapex - Koch, Jensen & Caira, 2012
                                                                                                           Genus # Stoibocephalum - Cielocha & Jensen, 2013
                                                                                   Family # Paraberrapecidae -  
                                                                                                           Genus # Paraberrapex - Jensen, 2001
                                                                                   Family # Polypocephalidae -  
                                                                                                           Genus # Anteropora - Subhapradha, 1955
                                                                                                           Genus # Anthemobothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Corollapex - Herzog & Jensen, 2017
                                                                                                           Genus # Hornellobothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Polypocephalus - Braun, 1878
                                                                                                           Genus # Seussapex - Jensen & Russell, 2014
                                                                                   Family # Tetragonocephalidae -  
                                                                                                           Genus # Tetragonocephalum - Shipley & Hornell, 1905
                                                                                   Family # Zanobatocestidae -  
                                                                                                           Genus # Zanobatocestus - Jensen, Mojica & Caira, 2014
                                                           Order # Litobothriidea -  
                                                                                   Family # Litobothriidae -  
                                                                                                           Genus # Litobothrium - Dailey, 1969
                                                           Order # Monopisthocotylea - Odhner, 1912
                                                                                   Family # Acanthocotylidae -  
                                                                                                           Genus # Allacanthocotyla - Yamaguti, 1963
                                                                                                           Genus # Pseudacanthocotyla - Yamaguti, 1963
                                                                                   Family # Bothitrematidae - Bychowsky, 1957
                                                                                                           Genus # Bothitrema -  
                                                                                   Family # Calceostomatidae -  
                                                                                                           Genus # Paracalceostoma -  
                                                                                   Family # Capsalidae -  
                                                                                                           Genus # Ancyrocotyle -  
                                                                                                           Genus # Benedenia -  
                                                                                                           Genus # Benedeniella - Johnston, 1929
                                                                                                           Genus # Caballerocotyla -  
                                                                                                           Genus # Capsala - Bosc, 1811
                                                                                                           Genus # Capsaloides - Price, 1938
                                                                                                           Genus # Encotyllabe - Diesing, 1850
                                                                                                           Genus # Entobdella - Blainville In Lamarck, 1818
                                                                                                           Genus # Megalocotyle - Folda, 1929
                                                                                                           Genus # Neobenedenia - Yamaguti, 1963
                                                                                                           Genus # Nitschia - Baer, 1826
                                                                                                           Genus # Pseudentobdella - Yamaguti, 1963
                                                                                                           Genus # Pseudobenedenia - Johnston, 1931
                                                                                                           Genus # Tristoma - Cuvier, 1817
                                                                                                           Genus # Tristomella -  
                                                                                                           Genus # Trochopus -  
                                                                                   Family # Dactylogyridae - Yamaguti, 1963
                                                                                                           Genus # Acolpenteron - Fischthal and Allison, 1940
                                                                                                           Genus # Actinocleidus - Mueller, 1937
                                                                                                           Genus # Aethycteron - Suriano and Beverley-burton, 1982
                                                                                                           Genus # Amphibdella - Chatin, 1874
                                                                                                           Genus # Amphibdelloides - Price, 1937
                                                                                                           Genus # Anchoradiscoides - Rogers, 1967
                                                                                                           Genus # Anchoradiscus - Mizelle, 1941
                                                                                                           Genus # Ancyrocephalus - Creplin, 1839
                                                                                                           Genus # Anonchohaptor - Mueller, 1938
                                                                                                           Genus # Aplodiscus - Rogers, 1967
                                                                                                           Genus # Aristocledius - Mueller, 1936
                                                                                                           Genus # Cleidodiscoides - Mayes and Miller, 1973
                                                                                                           Genus # Cleidodiscus - Mueller, 1934
                                                                                                           Genus # Dactylogyrus - Diesing, 1850
                                                                                                           Genus # Diplectanotrema - Johnson and Tiegs, 1922
                                                                                                           Genus # Haliotrema - Johnson and Tiegs, 1922
                                                                                                           Genus # Haplocleidus - Mueller, 1937
                                                                                                           Genus # Hargitrema - Tripathi, 1959
                                                                                                           Genus # Icelanonchohaptor - Leiby, Kritsky, Peterson, 1972
                                                                                                           Genus # Leptocleidus - Mueller, 1936
                                                                                                           Genus # Lyrodiscus - Rogers, 1967
                                                                                                           Genus # Macrohaptor - Allison, 1967
                                                                                                           Genus # Microncotrematoides -  
                                                                                                           Genus # Myzotrema - Rogers, 1967
                                                                                                           Genus # Onchocleidus - Mueller, 1936
                                                                                                           Genus # Pellucidhaptor - Price and Mizelle, 1964
                                                                                                           Genus # Protancyrocephaloides - Burns, 1978
                                                                                                           Genus # Pseudohaliotrema -  
                                                                                                           Genus # Pseudomurraytrema - Bychowaky, 1957
                                                                                                           Genus # Syncleithrium - Price, 1967
                                                                                                           Genus # Tetrancistrum -  
                                                                                                           Genus # Urocleidus -  
                                                                                   Family # Dionchidae - Bychowsky, 1959
                                                                                                           Genus # Dionchus - Goto, 1899
                                                                                   Family # Diplectanidae - Bychowsky, 1957
                                                                                                           Genus # Diplectanum - Diesing, 1858
                                                                                                           Genus # Neodiplectanum - Mizelle and Blatz, 1941
                                                                                                           Genus # Rhabdosynochus - Mizelle and Blatz, 1941
                                                                                                           Genus # Rhamnocercus - Monaco, Wood, Mizelle, 1954
                                                                                   Family # Gyrodactylidae - Cobbold, 1864
                                                                                                           Genus # Archigyrodactylus - Mizelle and Kritsky, 1967
                                                                                                           Genus # Gyrodactyloides -  
                                                                                                           Genus # Gyrodactylus - Nordmann, 1832
                                                                                                           Genus # Micropolyclithrum -  
                                                                                                           Genus # Polyclithrum - Rogers, 1967
                                                                                                           Genus # Swingleus - Rogers, 1969
                                                                                   Family # Loimoidae - Bychowsky, 1957
                                                                                                           Genus # Loimopapillosum - Hargis, 1955
                                                                                                           Genus # Loimos - Maccallum, 1917
                                                                                                           Genus # Loimosina - Manter, 1944
                                                                                   Family # Microbothriidae - Price, 1936
                                                                                                           Genus # Dermophthirius - Maccallum, 1926
                                                                                                           Genus # Microbothrium - Olsson, 1869
                                                                                                           Genus # Neodermophthirius - Price, 1963
                                                                                   Family # Monocotylidae - Taschenberg, 1879
                                                                                                           Genus # Anoplocotyloides - Young, 1967
                                                                                                           Genus # Calicotyle -  
                                                                                                           Genus # Cathariotrema - Johnston and Tiegs, 1922
                                                                                                           Genus # Dasybatotrema - Price, 1936
                                                                                                           Genus # Dendromonocotyle - Hargis, 1955
                                                                                                           Genus # Empruthotrema - Johnston and Tiegs, 1922
                                                                                                           Genus # Heterocotyle - Scott, 1904
                                                                                                           Genus # Merizocotyle - Cerfontaine, 1894
                                                                                                           Genus # Monocotyle - Taschenberg, 1878
                                                                                                           Genus # Neoheterocotyle - Hargis, 1955
                                                                                                           Genus # Papillocotyle - Young, 1967
                                                                                                           Genus # Spinuris - Doran, 1953
                                                                                                           Genus # Thaumatocotyle - Scott, 1904
                                                                                   Family # Protogyrodactylidae -  
                                                                                   Family # Tetraonchidae - Bychowsky, 1957
                                                                                                           Genus # Tetraonchus - Diesing, 1858
                                                                                   Family # Tetraonchoididae -  
                                                                                                           Genus # Tetraonchoides -  
                                                                                   Family # Udonellidae - Taschenberg, 1879
                                                                                                           Genus # Calinella -  
                                                                                                           Genus # Udonella - Johnston, 1835
                                                           Order # Nippotaeniidea -  
                                                                                   Family # Nippotaeniidae -  
                                                                                                           Genus # Nippotaenia - Yamaguti, 1939
                                                           Order # Onchoproteocephalidea -  
                                                                                   Family # Onchobothriidae -  
                                                                                                           Genus # Acanthobothrium - Blanchard, 1848
                                                                                                           Genus # Acanthobothroides - Brooks, 1977
                                                                                                           Genus # Megalonchos - Baer & Euzet, 1962
                                                                                                           Genus # Onchobothrium - de Blainville, 1828
                                                                                                           Genus # Phoreiobothrium - Linton, 1889
                                                                                                           Genus # Pinguicollum - Riser, 1955
                                                                                                           Genus # Platybothrium - Linton, 1890
                                                                                                           Genus # Potamotrygonocestus - Brooks & Thorson, 1976
                                                                                                           Genus # Prosobothrium - Cohn, 1902
                                                                                                           Genus # Triloculatum - Caira & Jensen, 2009
                                                                                                           Genus # Uncibilocularis - Southwell, 1925
                                                                                   Family # Proteocephalidae -  
                                                                                         Subfamily # Acanthotaeniinae - Freze, 1963
                                                                                                           Genus # Acanthotaenia - von Linstow, 1903
                                                                                                           Genus # Australotaenia - de Chambrier & de Chambrier, 2010
                                                                                                           Genus # Kapsulotaenia - Freze, 1965
                                                                                                           Genus # Vandiermenia - de Chambrier & de Chambrier, 2010
                                                                                         Subfamily # Corallobothriinae - Freze, 1965
                                                                                                           Genus # Corallobothrium - Fritsch, 1886
                                                                                                           Genus # Corallotaenia - Freze, 1965
                                                                                                           Genus # Essexiella - Scholz, de Chambrier, Mariaux & Kuchta, 2011
                                                                                                           Genus # Megathylacoides - Jones, Kerley & Sneed, 1956
                                                                                                           Genus # Megathylacus - Woodland, 1934
                                                                                                           Genus # Paraproteocephalus - Chen, 1962
                                                                                                           Genus # Sciadocephalus - Diesing, 1850
                                                                                         Subfamily # Ephedrocephalinae - Mola, 1929
                                                                                                           Genus # Ephedrocephalus - Diesing, 1850
                                                                                         Subfamily # Gangesiinae - Mola, 1929
                                                                                                           Genus # Electrotaenia - Nybelin, 1942
                                                                                                           Genus # Gangesia - Woodland, 1924
                                                                                                           Genus # Pangasiocestus - Scholz & de Chambrier, 2012
                                                                                                           Genus # Ritacestus - de Chambrier, Scholz, Ash & Kar, 2011
                                                                                                           Genus # Silurotaenia - Nybelin, 1942
                                                                                                           Genus # Vermaia - Nybelin, 1942
                                                                                         Subfamily # Marsypocephalinae - Woodland, 1933
                                                                                                           Genus # Marsypocephalus - Wedl, 1861
                                                                                         Subfamily # Monticelliinae - Mola, 1929
                                                                                                           Genus # Ageneiella - de Chambrier & Vaucher, 1999
                                                                                                           Genus # Chambriella - Rego, Chubb & Pavanelli, 1999
                                                                                                           Genus # Choanoscolex - La Rue, 1911
                                                                                                           Genus # Goezeella - Fuhrmann, 1916
                                                                                                           Genus # Manaosia - Woodland, 1935
                                                                                                           Genus # Monticellia - La Rue, 1911
                                                                                                           Genus # Regoella - Arredondo, de Chambrier & Gil de Pertierra, 2013
                                                                                                           Genus # Riggenbachiella - Alves, de Chambrier, Luque & Scholz, 2017
                                                                                                           Genus # Spasskyellina - Freze, 1965
                                                                                                           Genus # Spatulifer - Woodland, 1934
                                                                                         Subfamily # Nupeliinae - Pavanelli & Rego, 1991
                                                                                                           Genus # Nupelia - Pavanelli & Rego, 1991
                                                                                         Subfamily # Peltidocotylinae - Woodland, 1934
                                                                                                           Genus # Amazotaenia - de Chambrier, 2001
                                                                                                           Genus # Jauella - Rego & Pavanelli, 1985
                                                                                                           Genus # Luciaella - Gil de Pertierra, 2009
                                                                                                           Genus # Mariauxiella - de Chambrier & Rego, 1995
                                                                                                           Genus # Peltidocotyle - Diesing, 1850
                                                                                         Subfamily # Proteocephalinae - Mola, 1929
                                                                                                           Genus # Barsonella - de Chambrier, Scholz, Beletew & Mariaux, 2009
                                                                                                           Genus # Brayela - Rego, 1984
                                                                                                           Genus # Cairaella - Coquille & de Chambrier, 2008
                                                                                                           Genus # Cangatiella - Pavanelli & Machado dos Santos, 1991
                                                                                                           Genus # Cichlidocestus - de Chambrier, Pinacho-Pinacho, Hernández-Orts, & Scholz, 2017
                                                                                                           Genus # Crepidobothrium - Monticelli, 1900
                                                                                                           Genus # Deblocktaenia - Odening, 1963
                                                                                                           Genus # Euzetiella - de Chambrier, Rego & Vaucher, 1999
                                                                                                           Genus # Frezella - Alves, de Chambrier, Scholz & Luque, 2015
                                                                                                           Genus # Glanitaenia - de Chambrier, Zehnder, Vaucher & Mariaux, 2004
                                                                                                           Genus # Macrobothriotaenia - Freze, 1965
                                                                                                           Genus # Margaritaella - Arredondo & Gil de Pertierra, 2012
                                                                                                           Genus # Ophiotaenia - La Rue, 1911
                                                                                                           Genus # Proteocephalus - Weinland, 1858
                                                                                                           Genus # Pseudocrepidobothrium - Rego & Ivanov, 2001
                                                                                                           Genus # Scholzia - de Chambrier, Rego & Gil de Pertierra, 2005
                                                                                                           Genus # Tejidotaenia - Freze, 1965
                                                                                                           Genus # Thaumasioscolex - Cañeda-Guzmán, de Chambrier & Scholz, 2001
                                                                                                           Genus # Travassiella - Rego & Pavanelli, 1987
                                                                                         Subfamily # Rudolphiellinae - Woodland, 1935
                                                                                                           Genus # Rudolphiella - Fuhrmann, 1916
                                                                                         Subfamily # Sandonellinae - Khalil, 1960
                                                                                                           Genus # Sandonella - Khalil, 1960
                                                                                         Subfamily # Testudotaeniinae - de Chambrier, Coquille, Mariaux & Tkach, 2009
                                                                                                           Genus # Testudotaenia - Freze, 1965
                                                                                         Subfamily # Zygobothriinae - Woodland, 1933
                                                                                                           Genus # Amphoteromorphus - Diesing, 1850
                                                                                                           Genus # Brooksiella - Rego, Chubb & Pavanelli, 1999
                                                                                                           Genus # Gibsoniela - Rego, 1984
                                                                                                           Genus # Harriscolex - Rego, 1987
                                                                                                           Genus # Houssayela - Rego, 1987
                                                                                                           Genus # Nomimoscolex - Woodland, 1934
                                                                                                           Genus # Postgangesia - Akhmerov, 1969
                                                                                                           Genus # Vaucheriella - de Chambrier, 1987
                                                                                                           Genus # Zygobothrium - Diesing, 1850
                                                           Order # Phyllobothriidea -  
                                                                                   Family # Phyllobothriidae -  
                                                                                                           Genus # Alexandercestus - Ruhnke & Workman, 2013
                                                                                                           Genus # Bibursibothrium - McKenzie & Caira, 1998
                                                                                                           Genus # Bilocularia - Obersteiner, 1914
                                                                                                           Genus # Calyptrobothrium - Monticelli, 1893
                                                                                                           Genus # Cardiobothrium - McKenzie & Caira, 1998
                                                                                                           Genus # Chimaerocestos - Williams & Bray, 1984
                                                                                                           Genus # Clistobothrium - Dailey & Vogelbein, 1990
                                                                                                           Genus # Crossobothrium - Linton, 1889
                                                                                                           Genus # Doliobothrium - Caira, Malek & Ruhnke, 2011
                                                                                                           Genus # Flexibothrium - McKenzie & Caira, 1998
                                                                                                           Genus # Guidus - Ivanov, 2006
                                                                                                           Genus # Hemipristicola - Cutmore, Theiss, Bennett & Cribb, 2011
                                                                                                           Genus # Marsupiobothrium - Yamaguti, 1952
                                                                                                           Genus # Monorygma - Diesing, 1863
                                                                                                           Genus # Nandocestus - Reyda, 2008
                                                                                                           Genus # Orectolobicestus - Ruhnke, Caira & Carpenter, 2006
                                                                                                           Genus # Orygmatobothrium - Diesing, 1863
                                                                                                           Genus # Paraorygmatobothrium - Ruhnke, 1994
                                                                                                           Genus # Pelichnibothrium - Monticelli, 1889
                                                                                                           Genus # Phyllobothrium - van Beneden, 1850
                                                                                                           Genus # Ruhnkecestus - Caira & Durkin, 2006
                                                                                                           Genus # Scyphophyllidium - Woodland, 1927
                                                                                                           Genus # Thysanocephalum - Linton, 1890
                                                                                                           Genus # Trilocularia - Olsson, 1867
                                                           Order # Polyopisthocotylea - Odhner, 1912
                                                                                   Family # Allomicrocotylidae -  
                                                                                                           Genus # Allomicrocotyla -  
                                                                                   Family # Allopyragraphoridae - Yamaguti, 1963
                                                                                                           Genus # Allophyragraphorus - Yamaguti, 1963
                                                                                   Family # Anchorophoridae -  
                                                                                                           Genus # Anchorophorus -  
                                                                                   Family # Aviellidae -  
                                                                                                           Genus # Aviella -  
                                                                                   Family # Axinidae - Unnithan, 1957
                                                                                                           Genus # Allopseudaxine -  
                                                                                                           Genus # Axine - Abildgaard, 1794
                                                                                                           Genus # Axinoides - Yamaguti, 1938
                                                                                                           Genus # Chlamydaxine - Unnithan, 1957
                                                                                                           Genus # Heteraxine -  
                                                                                                           Genus # Nudaciraxine - Price, 1962
                                                                                                           Genus # Sibitrema -  
                                                                                   Family # Cemocotylidae -  
                                                                                                           Genus # Cemocotyle -  
                                                                                                           Genus # Cemocotylella -  
                                                                                   Family # Chimaericolidae - Brinkmann, 1952
                                                                                                           Genus # Chimaericola - Brinkmann, 1942
                                                                                                           Genus # Octobothrium -  
                                                                                   Family # Dactylocotylidae - Brinkmann, 1942
                                                                                                           Genus # Dactylocotyle - Beneden and Hesse, 1863
                                                                                                           Genus # Pseudodactylocotyla -  
                                                                                   Family # Diclidophoridae - Cerfontaine, 1895
                                                                                                           Genus # Choricotyle - Beneden and Hesse, 1863
                                                                                                           Genus # Cyclobothrium -  
                                                                                                           Genus # Cyclocotyloides -  
                                                                                                           Genus # Diclidophora - Kroyer, 1838
                                                                                                           Genus # Echinopelma -  
                                                                                                           Genus # Heterobothrium -  
                                                                                                           Genus # Neoheterobothrium - Price, 1943
                                                                                                           Genus # Pedocotyle - Maccallum, 1913
                                                                                   Family # Diclybothriidae - Bychowsky and Gussev, 1950
                                                                                                           Genus # Diclybothrium - Leuckart, 1835
                                                                                                           Genus # Paradiclybothrium -  
                                                                                   Family # Diplozoidae -  
                                                                                   Family # Discocotylidae - Price, 1936
                                                                                                           Genus # Allodiscocotyla -  
                                                                                                           Genus # Anthocotye - Beneden and Hesse, 1863
                                                                                                           Genus # Bicotylophora -  
                                                                                                           Genus # Diplozoon -  
                                                                                                           Genus # Discocotyle - Diesing, 1850
                                                                                                           Genus # Neodiplozoon -  
                                                                                                           Genus # Neodiscocotyle - Dechtair, 1967
                                                                                                           Genus # Octomacrum - Mueller, 1934
                                                                                                           Genus # Pseudomazocraes - Caballero and Bravo-hollis, 1955
                                                                                                           Genus # Pseudopisthogynopsis -  
                                                                                                           Genus # Tagia -  
                                                                                                           Genus # Vallisia - Parona and Perrugia, 1890
                                                                                   Family # Gastrocotylidae - Price, 1943
                                                                                                           Genus # Areotestis -  
                                                                                                           Genus # Churavera -  
                                                                                                           Genus # Gastrocotyle -  
                                                                                                           Genus # Gotocotyla - Ishii, 1936
                                                                                                           Genus # Lithidocotyle -  
                                                                                                           Genus # Metapseudaxine -  
                                                                                                           Genus # Neothoracocotyle - Hargis, 1956
                                                                                                           Genus # Neothroacocotyle -  
                                                                                                           Genus # Pricea -  
                                                                                                           Genus # Pseudaxine - Parona and Perugla, 1890
                                                                                                           Genus # Scomberocotyle - Hargis, 1956
                                                                                                           Genus # Thoracocotyle - Maccullum, 1913
                                                                                   Family # Heteraxinidae - Price, 1962
                                                                                                           Genus # Allencotyla - Price, 1962
                                                                                                           Genus # Cynoscionicola -  
                                                                                                           Genus # Helixaxine -  
                                                                                                           Genus # Heteraxinoides -  
                                                                                                           Genus # Leuresthicola - Price, 1962
                                                                                                           Genus # Lintaxine - Sproston, 1946
                                                                                                           Genus # Pseudochauhanea - Yamaguti, 1965
                                                                                                           Genus # Zeuxapta -  
                                                                                   Family # Heteromicrocotylidae -  
                                                                                                           Genus # Heteromicrocotyla -  
                                                                                   Family # Hexabothriidae - Price, 1942
                                                                                                           Genus # Dasyonchocotyle - Hargis, 1955
                                                                                                           Genus # Erpocotyle - Beneden and Hesse, 1863
                                                                                                           Genus # Heteronchocotyle - Brooks, 1934
                                                                                                           Genus # Hexabothrium - Nordmann, 1840
                                                                                                           Genus # Neoerpocotyle - Price, 1942
                                                                                                           Genus # Pseudohexabothrium -  
                                                                                                           Genus # Rajonchocotyle - Cerfontaine, 1899
                                                                                                           Genus # Rhinobatonchocotyle - Doran, 1953
                                                                                   Family # Hexostomatidae - Price, 1936
                                                                                                           Genus # Hexostoma - Rafinesque, 1815
                                                                                                           Genus # Homostoma -  
                                                                                                           Genus # Neohexostoma - Price, 1961
                                                                                   Family # Macrovalvitrematidae - Yamaguti, 1963
                                                                                                           Genus # Hargisia - Yamaguti, 1963
                                                                                                           Genus # Macrovalvitrema -  
                                                                                                           Genus # Macrovalvitrematoides - Yamaguti, 1963
                                                                                                           Genus # Pseudotagia - Yamaguti, 1963
                                                                                                           Genus # Pterinotrematoides -  
                                                                                   Family # Mazocraeidae - Price, 1936
                                                                                                           Genus # Clupeocotyle - Hargis, 1955
                                                                                                           Genus # Grubea - Diesing, 1856
                                                                                                           Genus # Kuhnia - Sproston, 1945
                                                                                                           Genus # Mazocraeoides - Price, 1936
                                                                                                           Genus # Mazocraes -  
                                                                                                           Genus # Neoclupeocotyle - Price, 1958
                                                                                                           Genus # Pseudanthocotyloides - Price, 1958
                                                                                                           Genus # Pseudomazocraeoides - Price, 1961
                                                                                   Family # Megalonchidae -  
                                                                                                           Genus # Megalonchus -  
                                                                                   Family # Microcotylidae - Taschenberg, 1879
                                                                                                           Genus # Aspinatrium - Yamaguti, 1963
                                                                                                           Genus # Bivagina - Yamaguti, 1963
                                                                                                           Genus # Metamicrocotyla - Yamaguti, 1953
                                                                                                           Genus # Microcotyle - Beneden and Hesse, 1863
                                                                                                           Genus # Microcotyloides - Fujii, 1944
                                                                                                           Genus # Prosomicrocotyla - Yamaguti, 1958
                                                                                                           Genus # Solostamenides -  
                                                                                   Family # Octolabeidae -  
                                                                                                           Genus # Octolabea -  
                                                                                   Family # Plectanocotylidae -  
                                                                                                           Genus # Octoplectanocotyla -  
                                                                                                           Genus # Plectanocotyle -  
                                                                                   Family # Polystomatidae - Gamble, 1896
                                                                                                           Genus # Neodiplorchis - Yamaguti, 1963
                                                                                                           Genus # Neopolystoma - Price, 1939
                                                                                                           Genus # Polystoma - Zeder, 1800
                                                                                                           Genus # Polystomoidella - Price, 1939
                                                                                                           Genus # Polystomoides - Ward, 1917
                                                                                                           Genus # Pseudodiplorchis - Yamaguti, 1963
                                                                                   Family # Protomicrocotylidae -  
                                                                                                           Genus # Abortipedia -  
                                                                                                           Genus # Bilaterocotyle -  
                                                                                                           Genus # Lethacotyle -  
                                                                                                           Genus # Neomicrocotyle -  
                                                                                                           Genus # Protomicrocotyle -  
                                                                                   Family # Pseudodiclidophoridae -  
                                                                                                           Genus # Allopseudodiclidophora -  
                                                                                                           Genus # Pseudodiclidophora -  
                                                                                   Family # Pterinotrematidae -  
                                                                                                           Genus # Pseudopterinotrema -  
                                                                                                           Genus # Pterinotrema -  
                                                                                   Family # Pyragraphoridae - Yamaguti, 1963
                                                                                                           Genus # Pyragraphorus - Sproston, 1946
                                                                                   Family # Sphyranuridae - Poche, 1926
                                                                                                           Genus # Sphyranura - Wright, 1879
                                                           Order # Rhinebothriidea -  
                                                                                                           Genus # Anindobothrium - Marques, Brooks & Lasso, 2001
                                                                                   Family # Anthocephaliidae -  
                                                                                                           Genus # Anthocephalum - Linton, 1890
                                                                                                           Genus # Barbeaucestus - Caira, Healy, Marques & Jensen, 2017
                                                                                                           Genus # Cairaeanthus - Kornyushin & Polyakova, 2012
                                                                                                           Genus # Divaricobothrium - Caira, Healy, Marques & Jensen, 2017
                                                                                                           Genus # Sungaicestus - Caira, Healy, Marques & Jensen, 2017
                                                                                   Family # Echeneibothriidae -  
                                                                                                           Genus # Clydonobothrium - Euzet, 1959
                                                                                                           Genus # Echeneibothrium - van Beneden, 1850
                                                                                                           Genus # Notomegarhynchus - Ivanov & Campbell, 2002
                                                                                                           Genus # Phormobothrium - Alexander, 1963
                                                                                                           Genus # Pseudanthobothrium - Baer, 1956
                                                                                                           Genus # Tritaphros - Lönnberg, 1889
                                                                                   Family # Escherbothriidae -  
                                                                                                           Genus # Escherbothrium - Berman & Brooks, 1994
                                                                                                           Genus # Stillabothrium - Healy & Reyda, 2016
                                                                                   Family # Rhinebothriidae -  
                                                                                                           Genus # Biotobothrium - Tan, Zhou & Yang, 2009
                                                                                                           Genus # Crassuseptum - Eyring, Healy & Reyda, 2012
                                                                                                           Genus # Rhabdotobothrium - Euzet, 1953
                                                                                                           Genus # Rhinebothrium - Linton, 1890
                                                                                                           Genus # Rhinebothroides - Mayes, Brooks & Thorson, 1981
                                                                                                           Genus # Rhodobothrium - Linton, 1890
                                                                                                           Genus # Scalithrium - Ball, Neifar & Euzet, 2003
                                                                                                           Genus # Spongiobothrium - Linton, 1889
                                                           Order # Spathebothriidea -  
                                                                                   Family # Acrobothriidae -  
                                                                                                           Genus # Bothrimonus - Duvernoy, 1842
                                                                                                           Genus # Cyathocephalus - Kessler, 1868
                                                                                                           Genus # Didymobothrium - Nybelin, 1922
                                                                                                           Genus # Diplocotyle - Krabbe, 1874
                                                                                   Family # Spathebothriidae -  
                                                                                                           Genus # Spathebothrium - Linton, 1922
                                                           Order # Tetrabothriidea -  
                                                                                   Family # Tetrabothriidae -  
                                                                                                           Genus # Anophryocephalus - Baylis, 1922
                                                                                                           Genus # Chaetophallus - Nybelin, 1916
                                                                                                           Genus # Priapocephalus - Nybelin, 1922
                                                                                                           Genus # Strobilocephalus - Baer, 1932
                                                                                                           Genus # Tetrabothrius - Rudolphi, 1819
                                                                                                           Genus # Trigonocotyle - Baer, 1932
                                                           Order # Tetraphyllidea -  
                                                                                                           Genus # Anthobothrium - van Beneden, 1850
                                                                                                           Genus # Carpobothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Caulobothrium - Baer, 1948
                                                                                                           Genus # Caulopatera - Cutmore, Bennett & Cribb, 2010
                                                                                                           Genus # Mixophyllobothrium - Shinde & Chincholikar, 1980
                                                                                                           Genus # Pentaloculum - Alexander, 1963
                                                                                                           Genus # Pithophorus - Southwell, 1925
                                                                                                           Genus # Reesium - Euzet, 1955
                                                                                                           Genus # Tiarabothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Zyxibothrium - Hayden & Campbell, 1981
                                                                                   Family # Balanobothriidae -  
                                                                                                           Genus # Balanobothrium - Hornell, 1912
                                                                                                           Genus # Pachybothrium - Baer & Euzet, 1962
                                                                                                           Genus # Pedibothrium - Linton, 1908
                                                                                                           Genus # Spiniloculus - Southwell, 1925
                                                                                                           Genus # Yorkeria - Southwell, 1927
                                                                                   Family # Calliobothriidae -  
                                                                                                           Genus # Biloculuncus - Nasin, Caira & Euzet, 1997
                                                                                                           Genus # Calliobothrium - van Beneden, 1850
                                                                                                           Genus # Erudituncus - Healy, Scholz & Caira, 2001
                                                                                                           Genus # Symcallio - Bernot, Caira & Pickering, 2015
                                                                                   Family # Dioecotaeniidae -  
                                                                                                           Genus # Dioecotaenia - Schmidt, 1969
                                                                                   Family # Gastrolecithidae -  
                                                                                                           Genus # Ceratobothrium - Monticelli, 1892
                                                                                                           Genus # Dinobothrium - van Beneden, 1889
                                                                                   Family # Rhoptrobothriidae -  
                                                                                                           Genus # Myzocephalus - Shipley & Hornell, 1906
                                                                                                           Genus # Myzophyllobothrium - Shipley & Hornell, 1906
                                                                                                           Genus # Rhoptrobothrium - Shipley & Hornell, 1906
                                                                                   Family # Serendipidae -  
                                                                                                           Genus # Duplicibothrium - Williams & Campbell, 1978
                                                                                                           Genus # Glyphobothrium - Williams & Campbell, 1977
                                                                                                           Genus # Serendip - Brooks & Barriga, 1995
                                                           Order # Trypanorhyncha -  
                                                                 Suborder # Trypanobatoida -  
                                                                             Superfamily # Eutetrarhynchoidea -  
                                                                                                           Genus # Cetorhinicola - Beveridge & Campbell, 1988
                                                                                                           Genus # Didymorhynchus - Beveridge & Campbell, 1988
                                                                                                           Genus # Dollfusiella - Campbell & Beveridge, 1994
                                                                                                           Genus # Eutetrarhynchus - Pintner, 1913
                                                                                                           Genus # Fellicocestus - Campbell & Beveridge, 2006
                                                                                                           Genus # Halysiorhynchus - Pintner, 1913
                                                                                                           Genus # Hemionchos - Campbell & Beveridge, 2006
                                                                                                           Genus # Hispidorhynchus - Schaeffner & Beveridge, 2012
                                                                                                           Genus # Mecistobothrium - Heinz & Dailey, 1974
                                                                                                           Genus # Mixodigma - Dailey & Vogelbein, 1982
                                                                                                           Genus # Mobulocestus - Campbell & Beveridge, 2006
                                                                                                           Genus # Nataliella - Palm, 2010
                                                                                                           Genus # Oncomegas - Dollfus, 1929
                                                                                                           Genus # Parachristianella - Dollfus, 1946
                                                                                                           Genus # Paroncomegas - Campbell, Marques & Ivanov, 1999
                                                                                                           Genus # Poecilorhynchus - Schaeffner & Beveridge, 2013
                                                                                                           Genus # Prochristianella - Dollfus, 1946
                                                                                                           Genus # Progrillotia - Dollfus, 1946
                                                                                                           Genus # Pseudochristianella - Campbell & Beveridge, 1990
                                                                                                           Genus # Rhinoptericola - Carvajal & Campbell, 1975
                                                                                                           Genus # Shirleyrhynchus - Beveridge & Campbell, 1988
                                                                                                           Genus # Tetrarhynchobothrium - Diesing, 1854
                                                                                                           Genus # Trigonolobium - Dollfus, 1929
                                                                                                           Genus # Trimacracanthus - Beveridge & Campbell, 1987
                                                                                                           Genus # Trygonicola - Beveridge & Campbell, 1998
                                                                                                           Genus # Zygorhynchus - Beveridge & Campbell, 1988
                                                                             Superfamily # Tentacularioidea -  
                                                                                   Family # Paranybeliniidae -  
                                                                                                           Genus # Paranybelinia - Dollfus, 1966
                                                                                                           Genus # Pseudonybelinia - Dollfus, 1966
                                                                                   Family # Tentaculariidae -  
                                                                                                           Genus # Heteronybelinia - Palm, 1999
                                                                                                           Genus # Kotorella - Euzet & Radujkovic, 1989
                                                                                                           Genus # Kotorelliella - Palm & Beveridge, 2002
                                                                                                           Genus # Mixonybelinia - Palm, 1999
                                                                                                           Genus # Nybelinia - Poche, 1926
                                                                                                           Genus # Tentacularia - Bosc, 1797
                                                                 Suborder # Trypanoselachoida -  
                                                                             Superfamily # Gymnorhynchoidea -  
                                                                                   Family # Gilquiniidae -  
                                                                                                           Genus # Aporhynchus - Nybelin, 1918
                                                                                                           Genus # Chimaerarhynchus - Beveridge & Campbell, 1989
                                                                                                           Genus # Deanicola - Beveridge, 1990
                                                                                                           Genus # Gilquinia - Guiart, 1927
                                                                                                           Genus # Nakayacestus - Caira, Kuchta & Desjardins, 2010
                                                                                                           Genus # Sagittirhynchus - Beveridge & Justine, 2006
                                                                                                           Genus # Vittirhynchus - Beveridge & Justine, 2006
                                                                                   Family # Gymnorhynchidae -  
                                                                                                           Genus # Gymnorhynchus - Rudolphi, 1819
                                                                                                           Genus # Molicola - Dollfus, 1935
                                                                                                           Genus # Plesiorhynchus - Beveridge, 1990
                                                                                   Family # Rhopalothylacidae -  
                                                                                                           Genus # Pintneriella - Yamaguti, 1934
                                                                                   Family # Sphyriocephalidae -  
                                                                                                           Genus # Hepatoxylon - Bosc, 1811
                                                                                                           Genus # Heterosphyriocephalus - Palm, 2004
                                                                                                           Genus # Sphyriocephalus - Pintner, 1913
                                                                             Superfamily # Lacistorhynchoidea -  
                                                                                                           Genus # Ancipirhynchus - Schaeffner, Gasser & Beveridge, 2011
                                                                                                           Genus # Bombycirhynchus - Pintner, 1931
                                                                                                           Genus # Paragrillotia - Dollfus, 1969
                                                                                                           Genus # Pseudolacistorhynchus - Palm, 1995
                                                                                   Family # Dasyrhynchidae -  
                                                                                                           Genus # Dasyrhynchus - Pintner, 1928
                                                                                                           Genus # Grillotiella - Palm, 2004
                                                                                                           Genus # Protogrillotia - Palm, 2004
                                                                                                           Genus # Pseudogilquinia - Bilqees & Khatoon, 1980
                                                                                   Family # Grillotiidae -  
                                                                                                           Genus # Bathygrillotia - Beveridge & Campbell, 2012
                                                                                                           Genus # Campbelliella - Palm, 2004
                                                                                                           Genus # Grillotia - Guiart, 1927
                                                                                                           Genus # Microbothriorhynchus - Yamaguti, 1952
                                                                                                           Genus # Pseudogrillotia - Dollfus, 1969
                                                                                   Family # Hornelliellidae -  
                                                                                                           Genus # Hornelliella - Yamaguti, 1954
                                                                                   Family # Lacistorhynchidae -  
                                                                                                           Genus # Callitetrarhynchus - Pintner, 1931
                                                                                                           Genus # Diesingium - Pintner, 1929
                                                                                                           Genus # Floriceps - Cuvier, 1817
                                                                                                           Genus # Lacistorhynchus - Pintner, 1913
                                                                                   Family # Otobothriidae -  
                                                                                                           Genus # Diplootobothrium - Chandler, 1942
                                                                                                           Genus # Fossobothrium - Beveridge & Campbell, 2005
                                                                                                           Genus # Iobothrium - Beveridge & Campbell, 2005
                                                                                                           Genus # Otobothrium - Linton, 1890
                                                                                                           Genus # Parotobothrium - Palm, 2004
                                                                                                           Genus # Poecilancistrium - Dollfus, 1929
                                                                                                           Genus # Poeciloacanthum - Palm, 1995
                                                                                                           Genus # Pristiorhynchus - Schaeffner & Beveridge, 2013
                                                                                                           Genus # Proemotobothrium - Beveridge & Campbell, 2001
                                                                                                           Genus # Pseudotobothrium - Dollfus, 1942
                                                                                                           Genus # Symbothriorhynchus - Yamaguti, 1952
                                                                                   Family # Pterobothriidae -  
                                                                                                           Genus # Cavearhynchus - Schaeffner & Beveridge, 2012
                                                                                                           Genus # Pterobothrioides - Campbell & Beveridge, 1997
                                                                                                           Genus # Pterobothrium - Diesing, 1850
                                                                                                           Genus # Stragulorhynchus - Beveridge & Campbell, 1988
                                                     Superorder # Aspidogastrida -  
                                                           Order # Aspidogastrea -  
                                                                                   Family # Aspidogasteridae - Poche, 1907
                                                                                                           Genus # Aspidogaster - Baer, 1827
                                                                                                           Genus # Cotylaspis - Leidy, 1857
                                                                                                           Genus # Cotylogasteroides - Monticelli, 1892
                                                                                                           Genus # Lobatostoma - Eckmann, 1932
                                                                                                           Genus # Lophotaspis - Looss, 1901
                                                                                                           Genus # Multicalyx -  
                                                                                                           Genus # Taeniocotyle - Stunkard, 1962
                                                           Order # Stichocotylida -  
                                                                                   Family # Rugogastridae - Schell, 1973
                                                                                                           Genus # Rugogaster -  
                                                                                   Family # Stichocotylidae - Faust and Tang, 1936
                                                                                                           Genus # Stichocotyle -  
                                                     Superorder # Digenea -  
                                                           Order # Diplostomida -  
                                                                                   Family # Aporocotylidae -  
                                                                                   Family # Bolbocephalodidae -  
                                                                                                           Genus # Bolbocephalodes -  
                                                                                   Family # Brauninidae -  
                                                                                                           Genus # Braunina -  
                                                                                   Family # Campulidae - Odhner, 1926
                                                                                                           Genus # Campula - Cobbold, 1858
                                                                                                           Genus # Lecithodesmus - Braun, 1902
                                                                                                           Genus # Orthosplanchnus - Odhner, 1905
                                                                                                           Genus # Synthesium - Stunkard and Alvey, 1930
                                                                                                           Genus # Zalophotrema - Stunkard and Alvey, 1929
                                                                                   Family # Clinostomatidae - Luhe, 1901
                                                                                                           Genus # Clinostomum - Leidy, 1856
                                                                                                           Genus # Odhneriotrema - Travassos, 1928
                                                                                   Family # Cyathocotylidae - Poche, 1926
                                                                                                           Genus # Cyathocotyle - Muehling, 1896
                                                                                                           Genus # Holostephanus - Szidat, 1936
                                                                                                           Genus # Linstowiella - Azidat, 1933
                                                                                                           Genus # Mesostephanus - Lutz, 1935
                                                                                                           Genus # Neogogatea - Chandler and Rausch, 1947
                                                                                                           Genus # Prohenistomum - Odhner, 1913
                                                                                   Family # Diplostomatidae - Poirier, 1886
                                                                                                           Genus # Alaria - Schrank, 1788
                                                                                                           Genus # Bolbophorus - Dubois, 1935
                                                                                                           Genus # Crassiphiala - Van Haitsma, 1925
                                                                                                           Genus # Didelphodiplostomum - Dubois, 1944
                                                                                                           Genus # Diplostomum - von Nordmann, 1832
                                                                                                           Genus # Enhydridiplostomum - Dubois, 1944
                                                                                                           Genus # Fibricola - Dubois, 1932
                                                                                                           Genus # Hysteromorpha - Lutz, 1931
                                                                                                           Genus # Mesophorodiplostomum - Dubois, 1936
                                                                                                           Genus # Neascus -  
                                                                                                           Genus # Neodiplostomum - Railliet, 1919
                                                                                                           Genus # Ornithodiplostomum - Dubois, 1936
                                                                                                           Genus # Parallelorchis - Harkema and Miller, 1961
                                                                                                           Genus # Pharyngostomoides - Harkema, 1942
                                                                                                           Genus # Posthodiplostomum - Dubois, 1936
                                                                                                           Genus # Procyotrema - Harkema and Miller, 1959
                                                                                                           Genus # Pulvinifer - Yamaguti, 1933
                                                                                                           Genus # Spathaceum -  
                                                                                                           Genus # Tetracotyle -  
                                                                                                           Genus # Tylodelphys -  
                                                                                                           Genus # Uvulifer - Yamaguti, 1934
                                                                                   Family # Neostrigeidae -  
                                                                                                           Genus # Neostrigea -  
                                                                                                           Genus # Prostrigea -  
                                                                                   Family # Ophiodiplostomatidae -  
                                                                                                           Genus # Heterodiplostomum -  
                                                                                                           Genus # Ophiodiplostomum -  
                                                                                                           Genus # Petalodiplostomum -  
                                                                                   Family # Protrodiplostomatidae - Dubois, 1936
                                                                                                           Genus # Archaeodiplostomum - Dubois, 1944
                                                                                                           Genus # Crocodillicola - Poche, 1925
                                                                                                           Genus # Polycotyle - Willemoes-suhm, 1870
                                                                                                           Genus # Pseudocrocodillicola - Byrd and Reiber, 1942
                                                                                   Family # Sanguinicolidae - Graff, 1907
                                                                                                           Genus # Aporocotyle - Odhner, 1900
                                                                                                           Genus # Cardicola - Short, 1953
                                                                                                           Genus # Deontacylix - Linton, 1910
                                                                                                           Genus # Paradeontacylix - Mcintosh, 1934
                                                                                                           Genus # Plethorchis -  
                                                                                                           Genus # Psettarium - Goto and Ozaki, 1930
                                                                                                           Genus # Sanguinicola - Plehn, 1905
                                                                                                           Genus # Selechohemecus - Short, 1954
                                                                                   Family # Schistosomatidae - Poche, 1907
                                                                                                           Genus # Austrobilharzia - Johnston, 1917
                                                                                                           Genus # Bilharziella - Looss, 1899
                                                                                                           Genus # Dendrobilharzia - Skrjabin and Zakharow, 1920
                                                                                                           Genus # Gigantobilharzia - Odhner, 1910
                                                                                                           Genus # Heterobilharzia - Price, 1929
                                                                                                           Genus # Microbilharzia - Price, 1929
                                                                                                           Genus # Ornithobilharzia - Odhner, 1912
                                                                                                           Genus # Schistosoma - Weinland, 1858
                                                                                                           Genus # Schistosomatium - Tanabe, 1923
                                                                                                           Genus # Trichobilharzia - Skrjabin and Zakharow, 1920
                                                                                   Family # Spirorchiidae - Stunkard, 1921
                                                                                                           Genus # Amphiorchis - Price, 1934
                                                                                                           Genus # Carettacola - Manter and Larson, 1950
                                                                                                           Genus # Diarmostorchis - Ejmont, 1927
                                                                                                           Genus # Haemoxenicon - Martin and Bamberger, 1952
                                                                                                           Genus # Hapalorhynchus - Stunkard, 1922
                                                                                                           Genus # Hapalotrema - Looss, 1899
                                                                                                           Genus # Learedius - Price, 1934
                                                                                                           Genus # Monticellius - Mehra, 1939
                                                                                                           Genus # Neospirorchis - Price, 1934
                                                                                                           Genus # Spirorchis - Maccallum, 1919
                                                                                                           Genus # Unicaecum - Stunkard, 1925
                                                                                                           Genus # Vasotrema - Stunkard, 1928
                                                                                   Family # Strigeidae - Railliet, 1919
                                                                                                           Genus # Apatemon - Szidat, 1928
                                                                                                           Genus # Apharyngostrigea - Ciurea, 1927
                                                                                                           Genus # Cardiocephalus - Szidat, 1928
                                                                                                           Genus # Cotylurus - Szidat, 1928
                                                                                                           Genus # Nematostrigea - Sandground, 1934
                                                                                                           Genus # Ophiosoma - Szidat, 1928
                                                                                                           Genus # Parastrigea - Szidat, 1928
                                                                                                           Genus # Pseudapatemon - Dubois, 1936
                                                                                                           Genus # Strigea - Abildgaard, 1790
                                                                 Suborder # Brachylaimata - Larue, 1957
                                                                                   Family # Brachylaimidae - Joyeux and Foley, 1930
                                                                                                           Genus # Brachylaima - Dujardin, 1843
                                                                                                           Genus # Glaphyrostomum - Braun, 1901
                                                                                                           Genus # Itygonimus - Luhe, 1899
                                                                                                           Genus # Panopistus - Sinitzin, 1931
                                                                                                           Genus # Parabrachylaima - Lotz and Corkum, 1975
                                                                                                           Genus # Postharmostomum - Witenberg, 1923
                                                                                                           Genus # Scaphiostomum - Braun, 1901
                                                                                   Family # Harmotrematidae - Yamaguti, 1933
                                                                                                           Genus # Dracovermis - Brooks and Overstreet, 1978
                                                                                                           Genus # Harmotrema -  
                                                                                                           Genus # Helicotrema -  
                                                                                   Family # Hasstilesiidae - Hall, 1916
                                                                                                           Genus # Hasstilesia - Hall, 1916
                                                                                                           Genus # Skrjabinotrema -  
                                                                                   Family # Leucochloridiidae - Dollfus, 1934
                                                                                                           Genus # Dollfusinus -  
                                                                                                           Genus # Leucochloridium - Carus, 1835
                                                                                                           Genus # Neoleucochloridium - Kagan, 1952
                                                                                                           Genus # Urogonimus - Monticell, 1888
                                                                                                           Genus # Urorygma -  
                                                                                                           Genus # Urotocus - Looss, 1899
                                                                                   Family # Leucochloridiomorphidae - Travassos and Kohn, 1966
                                                                                                           Genus # Amblosoma - Pojmanska, 1972
                                                                                                           Genus # Leucochloridiomorpha - Gower, 1938
                                                                                                           Genus # Ptyalincola - Wootton and Murrell, 1967
                                                                                   Family # Liolopidae -  
                                                                                                           Genus # Liolope -  
                                                                                   Family # Moreauiidae -  
                                                                                                           Genus # Moreauia -  
                                                                                   Family # Ovariopteridae -  
                                                                                                           Genus # Ovarioptera -  
                                                                                   Family # Thapariellidae -  
                                                                                                           Genus # Thapariella -  
                                                           Order # Plagiorchiida -  
                                                                                   Family # Acanthocollaritrematidae -  
                                                                                                           Genus # Acanthocollaritrema -  
                                                                                   Family # Botulisaccidae - Yamaguti, 1971
                                                                                                           Genus # Botulisaccus - Caballero, et al, 1955
                                                                                   Family # Bucephalidae - Larue, 1926
                                                                                                           Genus # Alcicornis - Maccallum, 1917
                                                                                                           Genus # Bucephalopsis - Diesing, 1855
                                                                                                           Genus # Bucephalus - Baer, 1826
                                                                                                           Genus # Dollfustrema - Eckmann, 1934
                                                                                                           Genus # Paurorhynchus - Dickerman, 1954
                                                                                                           Genus # Prosorhynchoides -  
                                                                                                           Genus # Prosorhynchus - Odhner, 1905
                                                                                                           Genus # Rhipidocotyle - Diesing, 1858
                                                                                   Family # Cyclocoelidae -  
                                                                                                           Genus # Cyclocoelum - Brandes, 1892
                                                                                                           Genus # Haematotrephus - Stossich, 1902
                                                                                                           Genus # Morishitium - Witenberg, 1928
                                                                                                           Genus # Ophthalmophagus - Stossich, 1902
                                                                                                           Genus # Polycyclorchis - Pense and Bush, 1973
                                                                                                           Genus # Tracheophilus - Skrjabin, 1913
                                                                                                           Genus # Typhlocoelum - Pense and Bush, 1973
                                                                                   Family # Dinuridae -  
                                                                                   Family # Echinoporidae -  
                                                                                                           Genus # Echinoporus -  
                                                                                   Family # Fellodistomatidae - Nicoll, 1913
                                                                                                           Genus # Anisorchis - Poljansky, 1955
                                                                                                           Genus # Antorchis - Linton, 1911
                                                                                                           Genus # Cercaria -  
                                                                                                           Genus # Discogasteroides -  
                                                                                                           Genus # Faustula -  
                                                                                                           Genus # Fellodistomum - Stafford, 1904
                                                                                                           Genus # Hexagrammia - Baeva, 1964
                                                                                                           Genus # Hypertrema - Manter, 1960
                                                                                                           Genus # Infundibulostomum - Siddiqi and Cable, 1959
                                                                                                           Genus # Lintonium - Stunkard and Nigrelli, 1930
                                                                                                           Genus # Lissoloma - Manter, 1934
                                                                                                           Genus # Lomasoma - Manter, 1935
                                                                                                           Genus # Megalomyzon - Manter, 1947
                                                                                                           Genus # Mesolecitha - Linton, 1910
                                                                                                           Genus # Proctoeces - Odhner, 1911
                                                                                                           Genus # Pseudobacciger - Nahhas and Cable, 1964
                                                                                                           Genus # Pseudopentagramma - Yamaguti, 1971
                                                                                                           Genus # Pycnadena - Linton, 1910
                                                                                                           Genus # Pycnadenoides - Tamaguti, 1938
                                                                                                           Genus # Stenakron - Stafford, 1904
                                                                                                           Genus # Steringotrema - Odhner, 1911
                                                                                                           Genus # Tergestia - Stossich, 1899
                                                                                   Family # Gekkonotrematidae -  
                                                                                                           Genus # Gekkonotrema -  
                                                                                   Family # Gyliauchenidae -  
                                                                                   Family # Gymnophallidae - Morozov, 1955
                                                                                                           Genus # Gymnophallus - Odhner, 1900
                                                                                                           Genus # Lacunovermis - Ching, 1965
                                                                                                           Genus # Meiogymnophallus - Cable, 1965
                                                                                                           Genus # Paragymnophallus - Ching, 1973
                                                                                                           Genus # Parvatrema - Cable, 1953
                                                                                                           Genus # Pseudogymnophalus - Odhner, 1900
                                                                                   Family # Jubilariidae -  
                                                                                                           Genus # Jubilarium -  
                                                                                   Family # Meristocotylidae -  
                                                                                                           Genus # Meristocotyle -  
                                                                                   Family # Mesotretidae -  
                                                                                                           Genus # Mesotretes -  
                                                                                   Family # Monascidae - Dollfus, 1952
                                                                                                           Genus # Monascus - Looss, 1907
                                                                                   Family # Monodhelminthidae -  
                                                                                                           Genus # Buckleytrema -  
                                                                                                           Genus # Mehratrema -  
                                                                                                           Genus # Monodhelmis -  
                                                                                                           Genus # Prosogonarium -  
                                                                                                           Genus # Tandanicola -  
                                                                                   Family # Urotrematidae - Poche, 1926
                                                                                                           Genus # Urotrema - Braun, 1900
                                                                                                           Genus # Urotrematulum - Macy, 1933
                                                                             Superfamily # Renicoloidea -  
                                                                 Suborder # Acanthocolpiata - Nahhas and Cable, 1964
                                                                                   Family # Acanthocolpidae -  
                                                                                                           Genus # Acanthocolpoides -  
                                                                                                           Genus # Manteria - Caballero, 1950
                                                                                                           Genus # Stephanostomum - Looss, 1899
                                                                                                           Genus # Tormopsolus - Poche, 1926
                                                                 Suborder # Allocreadiata - Skrjabin, Petrow, Koval, 1958
                                                                                   Family # Allocreadiidae -  
                                                                                                           Genus # Allobunodera -  
                                                                                                           Genus # Allocreadium - Looss, 1900
                                                                                                           Genus # Bunodera - Railliet, 1896
                                                                                                           Genus # Bunoderella - Schell, 1964
                                                                                                           Genus # Bunoderina - Miller, 1936
                                                                                                           Genus # Caudouterina - Martin, 1966
                                                                                                           Genus # Crepidostomum - Braun, 1900
                                                                                                           Genus # Creptotrema - Travassos, Artigas, Pereira, 1928
                                                                                                           Genus # Liliatrema -  
                                                                                                           Genus # Megalogonia - Surber, 1928
                                                                                                           Genus # Multivitellina - Schell, 1974
                                                                                                           Genus # Paracreptotrematina - Amin and Myer, 1982
                                                                                                           Genus # Plagiocirrus - Van Cleve and Mueller, 1932
                                                                                                           Genus # Polylekithum - Arnold, 1934
                                                                                                           Genus # Psedurorchis - Yamaguti, 1971
                                                                                                           Genus # Pseudozoogonoides -  
                                                                                   Family # Batrachotrematidae -  
                                                                                                           Genus # Batrachotrema -  
                                                                                   Family # Deropristiidae - Skrjabin, 1958
                                                                                                           Genus # Cestrahelmins - Fischthal, 1957
                                                                                                           Genus # Deropristis - Odhner, 1902
                                                                                                           Genus # Pristicola - Cable, 1952
                                                                                                           Genus # Skrjabinopsolus - Ivanov, 1935
                                                                                   Family # Gorgocephalidae -  
                                                                                                           Genus # Gorgocephalus -  
                                                                                   Family # Homalometridae - Mehra, 1962
                                                                                                           Genus # Apocreadium - Manter, 1947
                                                                                                           Genus # Barbulostomum - Ramsey, 1965
                                                                                                           Genus # Crassicutis - Manter, 1936
                                                                                                           Genus # Homalometron - Stafford, 1904
                                                                                                           Genus # Microcreadium - Simer, 1929
                                                                                                           Genus # Myzotus -  
                                                                                                           Genus # Neoapocreadium - Siddiqi, 1959
                                                                                                           Genus # Postporus - Manter, 1949
                                                                                   Family # Lepocreadiidae -  
                                                                                                           Genus # Bianium -  
                                                                                                           Genus # Cadenatella - Dollfus, 1946
                                                                                                           Genus # Cephalolepidapedon -  
                                                                                                           Genus # Dermadena - Manter, 1946
                                                                                                           Genus # Dihemistephanus - Looss, 1901
                                                                                                           Genus # Dihemistophenus -  
                                                                                                           Genus # Diploproctodaeum - Lerue, 1926
                                                                                                           Genus # Echeneidocoelium -  
                                                                                                           Genus # Enenterum - Linton, 1910
                                                                                                           Genus # Labrifer - Yamaguti, 1936
                                                                                                           Genus # Lepidapedon - Stafford, 1904
                                                                                                           Genus # Lepocreadium - Stossich, 1904
                                                                                                           Genus # Multitestis - Manter, 1931
                                                                                                           Genus # Myzoxenus - Manter, 1934
                                                                                                           Genus # Neolabrifer - Pritchard, 1970
                                                                                                           Genus # Neolepidapedon - Manter, 1954
                                                                                                           Genus # Neopechona - Stunkard, 1969
                                                                                                           Genus # Neophasis - Stafford, 1904
                                                                                                           Genus # Opechona - Looss, 1907
                                                                                                           Genus # Pseudocreadium - Layman, 1930
                                                                                                           Genus # Rhagorchis - Manter, 1931
                                                                                   Family # Maseniidae -  
                                                                                                           Genus # Eumasenia -  
                                                                                                           Genus # Masenia -  
                                                                                   Family # Pleorchiidae - Poche, 1926
                                                                                                           Genus # Pleorchis - Pailliet, 1896
                                                                 Suborder # Azygiata - Larue, 1957
                                                                                   Family # Aphanhysteridae -  
                                                                                                           Genus # Aphanhystera -  
                                                                                   Family # Azygiidae -  
                                                                                                           Genus # Azygia - Looss, 1899
                                                                                                           Genus # Leuceruthrus - Marshall and Gilbert, 1905
                                                                                                           Genus # Otodistomum - Stafford, 1904
                                                                                                           Genus # Proterometra - Horsfall, 1933
                                                                                   Family # Bivesiculidae -  
                                                                                                           Genus # Bivesicula - Yamaguti, 1934
                                                                                                           Genus # Bivesiculoides -  
                                                                                                           Genus # Paucivitellosus -  
                                                                                   Family # Bothrigastridae -  
                                                                                   Family # Transversotrematidae -  
                                                                                                           Genus # Prototransversotrema -  
                                                                                                           Genus # Transversotrema -  
                                                                                   Family # Typhlocoelidae -  
                                                                 Suborder # Cyclocoelata -  
                                                                 Suborder # Echinostomata -  
                                                                                   Family # Achillurbaniidae -  
                                                                                                           Genus # Achillurbania -  
                                                                                                           Genus # Poikilorchis -  
                                                                                   Family # Balfouriidae -  
                                                                                                           Genus # Balfouria -  
                                                                                   Family # Botulidae -  
                                                                                                           Genus # Botula -  
                                                                                   Family # Campululidae -  
                                                                                                           Genus # Hadwenius -  
                                                                                                           Genus # Orthosplanchus -  
                                                                                   Family # Cathaemasiidae -  
                                                                                                           Genus # Cathaemasia - Looss, 1899
                                                                                                           Genus # Cathaemasioides -  
                                                                                                           Genus # Pulchrosoma -  
                                                                                                           Genus # Ressella -  
                                                                                   Family # Diplodiscidae -  
                                                                                                           Genus # Homalogaster -  
                                                                                   Family # Echinostomatidae -  
                                                                                                           Genus # Acanthoparyphium - Dietz, 1909
                                                                                                           Genus # Aporchis - Stossich, 1905
                                                                                                           Genus # Baschkirovitrema - Skrjabin, 1944
                                                                                                           Genus # Drepanocephalus - Dietz, 1909
                                                                                                           Genus # Echinochasmus -  
                                                                                                           Genus # Echinoparyphium - Dietz, 1909
                                                                                                           Genus # Echinostoma - Rudolphi, 1809
                                                                                                           Genus # Euparyphium - Dietz, 1909
                                                                                                           Genus # Himasthla - Dietz, 1909
                                                                                                           Genus # Hypoderaeum - Dietz, 1909
                                                                                                           Genus # Ignavia - Freitas, 1948
                                                                                                           Genus # Isthmiophora - Luhe, 1909
                                                                                                           Genus # Longicollia - Bykovskaia-paviovskaia, 1954
                                                                                                           Genus # Patagifer - Dietz, 1909
                                                                                                           Genus # Pelmatostomum - Dietz, 1909
                                                                                                           Genus # Petasiger - Dietz, 1909
                                                                                                           Genus # Prionosoma - Deitz, 1909
                                                                                                           Genus # Protechinostoma - Beaver, 1943
                                                                                                           Genus # Stephanoprora - Odhner, 1902
                                                                                   Family # Fasciolidae -  
                                                                                                           Genus # Fasciola - Linnaeus, 1758
                                                                                                           Genus # Fascioloides - Ward, 1917
                                                                                                           Genus # Fasciolopsis - Looss, 1899
                                                                                   Family # Haploporidae - Nicoll, 1914
                                                                                                           Genus # Carassotrema -  
                                                                                                           Genus # Dicrogaster - Looss, 1902
                                                                                                           Genus # Hapladena - Linton, 1910
                                                                                                           Genus # Haploporus -  
                                                                                                           Genus # Isorchis -  
                                                                                                           Genus # Lecithobothrys -  
                                                                                                           Genus # Megasolena - Linton, 1910
                                                                                                           Genus # Myodera - Montgomery, 1957
                                                                                                           Genus # Paralecithobotrys -  
                                                                                                           Genus # Paraunisaccoides -  
                                                                                                           Genus # Saccacoelioides -  
                                                                                                           Genus # Saccacoelium -  
                                                                                                           Genus # Saccocoelioides - Szidat, 1954
                                                                                                           Genus # Saccocoelium - Looss, 1902
                                                                                                           Genus # Scorpidicola - Montgomery, 1957
                                                                                                           Genus # Unisaccoides -  
                                                                                                           Genus # Unisaccus -  
                                                                                                           Genus # Vitellibaculum - Montgomery, 1957
                                                                                   Family # Haplosplanchnidae -  
                                                                                                           Genus # Hymenocotta -  
                                                                                                           Genus # Hymenocottoides - Yamaguti, 1971
                                                                                                           Genus # Hyplosplanchus -  
                                                                                                           Genus # Schikhobalotrema - Skrjabin and Guschganskaja, 1955
                                                                                   Family # Megaperidae -  
                                                                                                           Genus # Megaperca - Manter, 1934
                                                                                                           Genus # Thysanopharynx - Manter, 1933
                                                                                   Family # Ommatobrephidae -  
                                                                                                           Genus # Ommatobrephus -  
                                                                                   Family # Orchipedidae - Skrjabin, 1924
                                                                                                           Genus # Orchipedum - Braun, 1901
                                                                                   Family # Philophthalmidae -  
                                                                                                           Genus # Cloacitrema - Yamaguti, 1935
                                                                                                           Genus # Echinostephilla - Lebour, 1909
                                                                                                           Genus # Paratrema - Dronen and Badley, 1979
                                                                                                           Genus # Parochis - Nicoll, 1907
                                                                                                           Genus # Philophthalmus - Looss, 1899
                                                                                   Family # Psilostomatidae -  
                                                                                                           Genus # Astacatrematula - Macy and Bell, 1968
                                                                                                           Genus # Gyrosoma - Bryd, Bogitsh, Maples, 1961
                                                                                                           Genus # Mesaulus - Braun, 1902
                                                                                                           Genus # Pseudopsilostoma - Yamaguti, 1958
                                                                                                           Genus # Psilochasmus - Luhe, 1909
                                                                                                           Genus # Psilostomum - Looss, 1899
                                                                                                           Genus # Psilotornus - Byrd and Prestwood, 1969
                                                                                                           Genus # Ribeiroia - Travassos, 1939
                                                                                                           Genus # Sphaeridiotrema - Odhner, 1913
                                                                                                           Genus # Stephanoproraoides - Price, 1934
                                                                                   Family # Rhabdopoeidae -  
                                                                                   Family # Rhopaliidae - Looss, 1899
                                                                                                           Genus # Rhopalias - Stiles and Hassall, 1898
                                                                                   Family # Rowpaliidae -  
                                                                                   Family # Saakotrematidae -  
                                                                                                           Genus # Saakotrema -  
                                                                 Suborder # Eucotylata - Odening, 1961
                                                                                   Family # Eucotylidae - Skrjabin, 1924
                                                                                                           Genus # Eucotyla - Cohn, 1904
                                                                                                           Genus # Tanaisia - Skrjabin, 1924
                                                                 Suborder # Hemiurata -  
                                                                                   Family # Accacoeliidae - Looss, 1912
                                                                                                           Genus # Accacladium - Ohhner, 1928
                                                                                                           Genus # Accacladocoelium - Ohhner, 1928
                                                                                                           Genus # Accacoelium -  
                                                                                                           Genus # Odhnerium - Yamaguti, 1934
                                                                                                           Genus # Orophocotyle -  
                                                                                                           Genus # Rhyncopharynx -  
                                                                                                           Genus # Tetrochetus -  
                                                                                   Family # Albulatrematidae -  
                                                                                                           Genus # Albulatrema -  
                                                                                   Family # Areobiotrematidae -  
                                                                                                           Genus # Areobiotrema -  
                                                                                   Family # Arnolidae -  
                                                                                                           Genus # Arnola -  
                                                                                   Family # Bathycotylidae -  
                                                                                                           Genus # Bathycotyle - Dollfus, 1932
                                                                                   Family # Cylindrorchiidae -  
                                                                                                           Genus # Cylindrorchis -  
                                                                                   Family # Dictysarcidae -  
                                                                                                           Genus # Dictysarca - Linton, 1910
                                                                                   Family # Didymozoidae -  
                                                                                                           Genus # Adenodidymocystis -  
                                                                                                           Genus # Allometanematobothrioides -  
                                                                                                           Genus # Annulocystis -  
                                                                                                           Genus # Atalostrophion -  
                                                                                                           Genus # Coeliodidymocystis -  
                                                                                                           Genus # Coeliotrema -  
                                                                                                           Genus # Colocyntotrema -  
                                                                                                           Genus # Dermatodidymocystis -  
                                                                                                           Genus # Didymocylindrus -  
                                                                                                           Genus # Didymocystis - Ariola, 1902
                                                                                                           Genus # Gonapodasmius - Ishii, 1935
                                                                                                           Genus # Nematobothrioides - Noble, 1974
                                                                                                           Genus # Nematobothrium -  
                                                                                                           Genus # Neodiplotrema -  
                                                                                                           Genus # Neonematobothrioides -  
                                                                                                           Genus # Neounitubulotestis -  
                                                                                                           Genus # Oesophagocystis -  
                                                                                                           Genus # Opepherotrema -  
                                                                                                           Genus # Opisthorchinematobothrium -  
                                                                                                           Genus # Orbitonematobothrium -  
                                                                                                           Genus # Ovarionematobothrium - Yamaguti, 1971
                                                                                                           Genus # Phacelotrema -  
                                                                                                           Genus # Platocystis -  
                                                                                                           Genus # Reniforma -  
                                                                                                           Genus # Unitubulotestis -  
                                                                                                           Genus # Univitellannulocystis -  
                                                                                                           Genus # Univitellodidymocystis -  
                                                                                   Family # Halipegidae -  
                                                                                                           Genus # Dollfusiella -  
                                                                                                           Genus # Halipegus -  
                                                                                   Family # Hemiuridae -  
                                                                                                           Genus # Anahemiurus - Manter, 1947
                                                                                                           Genus # Aphanurus -  
                                                                                                           Genus # Aponurus - Looss, 1907
                                                                                                           Genus # Brachadena -  
                                                                                                           Genus # Brachyphallus - Odhner, 1905
                                                                                                           Genus # Bunocotyle -  
                                                                                                           Genus # Derogenes - Luhe, 1900
                                                                                                           Genus # Derogenoides -  
                                                                                                           Genus # Deropegus - Mccauley and Pratt, 1961
                                                                                                           Genus # Dichadena - Linton, 1910
                                                                                                           Genus # Dinosoma - Manter, 1934
                                                                                                           Genus # Dinurus - Looss, 1907
                                                                                                           Genus # Dissosaccus - Manter, 1947
                                                                                                           Genus # Ectenurus - Looss, 1907
                                                                                                           Genus # Elytorphallus -  
                                                                                                           Genus # Genarchopsis -  
                                                                                                           Genus # Genolinea - Manter, 1925
                                                                                                           Genus # Glomericirrus -  
                                                                                                           Genus # Gonocerca - Manter. 1925
                                                                                                           Genus # Gonocercella - Manter. 1940
                                                                                                           Genus # Gonocerella -  
                                                                                                           Genus # Hemipera - Nicoll, 1912
                                                                                                           Genus # Hemiurus - Rudolphi, 1809
                                                                                                           Genus # Hysterolecitha - Linton, 1910
                                                                                                           Genus # Intuscirrus - Acena, 1947
                                                                                                           Genus # Lecithaster -  
                                                                                                           Genus # Lecithochirium - Luhe, 1901
                                                                                                           Genus # Lecithocladium -  
                                                                                                           Genus # Lecithophyllum - Odhner, 1905
                                                                                                           Genus # Lethadena - Manter, 1947
                                                                                                           Genus # Leurodera - Linton, 1910
                                                                                                           Genus # Macradena - Linton, 1910
                                                                                                           Genus # Macradenina - Manter, 1947
                                                                                                           Genus # Magniscyphus -  
                                                                                                           Genus # Mecoderus -  
                                                                                                           Genus # Myosaccium - Montgomery, 1957
                                                                                                           Genus # Opisthadena - Linton, 1910
                                                                                                           Genus # Parahemiurus -  
                                                                                                           Genus # Plerurus -  
                                                                                                           Genus # Pronopyee -  
                                                                                                           Genus # Saturnis -  
                                                                                                           Genus # Sterrhurus - Looss, 1907
                                                                                                           Genus # Tubulovesicula - Yamaguti, 1934
                                                                                                           Genus # Vitellotrema - Guberlet, 1928
                                                                                   Family # Hirudinellidae -  
                                                                                                           Genus # Hirudinella -  
                                                                                                           Genus # Uroproctinella -  
                                                                                   Family # Lampritrematidae - Skrjabin and Guschanskaja, 1955
                                                                                                           Genus # Lampritrema - Yamaguti, 1940
                                                                                   Family # Lobatovitelliovariidae -  
                                                                                                           Genus # Lobatovitelliovarium -  
                                                                                   Family # Mabiaramidae -  
                                                                                                           Genus # Mabiarama -  
                                                                                   Family # Oesophagicolidae -  
                                                                                                           Genus # Oesophagicola -  
                                                                                   Family # Pelorohelminthidae -  
                                                                                                           Genus # Pelorohelmis -  
                                                                                   Family # Prosogonotrematidae -  
                                                                                                           Genus # Prosogonotrema -  
                                                                                   Family # Ptychogonimidae -  
                                                                                                           Genus # Ptychogonimus - Luhe, 1900
                                                                                   Family # Sclerodistomidae - Odhner, 1927
                                                                                                           Genus # Sclerodistomum - Looss, 1912
                                                                                   Family # Syncoeliidae - Dollfus, 1923
                                                                                                           Genus # Capiatestes -  
                                                                                                           Genus # Otiotrema -  
                                                                                                           Genus # Paroratrema -  
                                                                                                           Genus # Syncoelium - Looss, 1899
                                                                                   Family # Tetrasteridae -  
                                                                                                           Genus # Tetraster -  
                                                                 Suborder # Opecoelata - Odening, 1960
                                                                                   Family # Callodistomatidae -  
                                                                                   Family # Encotylidae -  
                                                                                   Family # Eurotrematidae -  
                                                                                   Family # Gorgoderidae -  
                                                                                                           Genus # Bicornuata - Pearse, 1949
                                                                                                           Genus # Gorgodera - Looss, 1899
                                                                                                           Genus # Gorgoderina - Looss, 1902
                                                                                                           Genus # Nagmia - Nagaty, 1930
                                                                                                           Genus # Phyllodistomum - Braun, 1899
                                                                                                           Genus # Plesiochorus - Looss, 1900
                                                                                                           Genus # Probolitrema - Looss, 1902
                                                                                                           Genus # Progordodera - Brooks and Buckner, 1976
                                                                                                           Genus # Staphylorchis -  
                                                                                                           Genus # Xystretum - Linton, 1910
                                                                                   Family # Haplometridae -  
                                                                                   Family # Opecoelidae -  
                                                                                                           Genus # Alloanomalotrema -  
                                                                                                           Genus # Allopodocotyle - Pritchard, 1966
                                                                                                           Genus # Allostenoperca - Baeva, 1968
                                                                                                           Genus # Anomalotrema -  
                                                                                                           Genus # Apertile - Overstreet, 1969
                                                                                                           Genus # Apopodocotyle - Pritchard, 1966
                                                                                                           Genus # Cainocreadium - Nicoll, 1909
                                                                                                           Genus # Crowcrocaecum -  
                                                                                                           Genus # Dactylostomum - Wollcock, 1935
                                                                                                           Genus # Decemtestis -  
                                                                                                           Genus # Eurycreadium - Manter, 1934
                                                                                                           Genus # Genitocotyle - Park, 1937
                                                                                                           Genus # Hamacreadium - Linton, 1910
                                                                                                           Genus # Helicometra - Odhner, 1902
                                                                                                           Genus # Helicometrina - Linton, 1910
                                                                                                           Genus # Manteriella - Yamaguti, 1958
                                                                                                           Genus # Neohelicometra -  
                                                                                                           Genus # Neonotoporus - Srivastava, 1942
                                                                                                           Genus # Neopecoelus - Manter, 1947
                                                                                                           Genus # Neopodocotyloides - Pritchard, 1966
                                                                                                           Genus # Nezpercella - Schell, 1974
                                                                                                           Genus # Nicolla - Wisniewski, 1934
                                                                                                           Genus # Opecoelina - Manter, 1934
                                                                                                           Genus # Opecoeloides -  
                                                                                                           Genus # Opecoelus -  
                                                                                                           Genus # Opegaster - Ozaki, 1928
                                                                                                           Genus # Opercoelus - Ozaki, 1925
                                                                                                           Genus # Ozaki -  
                                                                                                           Genus # Pellamyzon - Montgomery, 1957
                                                                                                           Genus # Plagioporus - Stafford, 1904
                                                                                                           Genus # Podocotyle - Dujardin, 1845
                                                                                                           Genus # Pseudopecoeloides - Yamaguti, 1940
                                                                                                           Genus # Pseudopecoelus - Von Wicklen, 1946
                                                                                                           Genus # Stenoperca - Manter, 1933
                                                                                   Family # Opistholebetidae -  
                                                                                                           Genus # Heterolebes -  
                                                                                                           Genus # Maculifer -  
                                                                                                           Genus # Opistholebes - Nicoll, 1915
                                                                                                           Genus # Pachycreadium -  
                                                                                                           Genus # Pseudoheterolebes -  
                                                                 Suborder # Opisthorchiata -  
                                                                                   Family # Acanthostomatidae -  
                                                                                                           Genus # Caimanicola - Teixelira De Freitas and Lent, 1938
                                                                                                           Genus # Proctocaecum - Baugh, 1957
                                                                                                           Genus # Timoniella - Rebecq, 1960
                                                                                   Family # Cryptogonimidae -  
                                                                                                           Genus # Acetodextra - Pearce, 1924
                                                                                                           Genus # Allacanthochasmus - Van Cleave, 1922
                                                                                                           Genus # Caecincola - Marshall and Gilbert, 1905
                                                                                                           Genus # Centrobvarium - Stafford, 1904
                                                                                                           Genus # Claribulla - Overstreet, 1969
                                                                                                           Genus # Cryptogonimus - Osborn, 1903
                                                                                                           Genus # Exorchis -  
                                                                                                           Genus # Metadena - Linton, 1910
                                                                                                           Genus # Multigonotylus - Premvati, 1967
                                                                                                           Genus # Neochasmus - Van Cleave and Mueller, 1932
                                                                                                           Genus # Paracrptopgonimus - Yamaguti, 1934
                                                                                                           Genus # Siphodera - Linton, 1910
                                                                                                           Genus # Textrema - Dronen, et al, 1977
                                                                                                           Genus # Turgecaecum - Sullivan, 1975
                                                                                   Family # Heterophyidae -  
                                                                                                           Genus # Adleriella -  
                                                                                                           Genus # Apophalloides - Yamaguti, 1971
                                                                                                           Genus # Apophallus - Luhe, 1909
                                                                                                           Genus # Ascocotyle -  
                                                                                                           Genus # Centrocestus -  
                                                                                                           Genus # Cercarioides -  
                                                                                                           Genus # Cryptocotyle - Luhe, 1899
                                                                                                           Genus # Euhaplorchis - Martin, 1950
                                                                                                           Genus # Euryhelmis - Poche, 1926
                                                                                                           Genus # Galactosomum - Looss, 1899
                                                                                                           Genus # Haplorchis -  
                                                                                                           Genus # Heterophyes - Cobbold, 1886
                                                                                                           Genus # Heterophyopsis -  
                                                                                                           Genus # Leighia - Sogandares-bernal et al, 1963
                                                                                                           Genus # Metagonimoides - Price, 1931
                                                                                                           Genus # Metagonimus - Katsurada, 1913
                                                                                                           Genus # Neostictodora - Sogandares-bernal, 1959
                                                                                                           Genus # Phagicola - Faust, 1920
                                                                                                           Genus # Phocitrema -  
                                                                                                           Genus # Phocitremoides - Martin, 1950
                                                                                                           Genus # Pholeter - Odhner, 1914
                                                                                                           Genus # Pricetrema -  
                                                                                                           Genus # Procerovum -  
                                                                                                           Genus # Pseudascocotyle - Sogandares-bernal, et al, 1960
                                                                                                           Genus # Pseudogalactosoma -  
                                                                                                           Genus # Pygidiopsis - Looss, 1907
                                                                                                           Genus # Pygidiopsoides - Martin, 1951
                                                                                                           Genus # Scaphanocephalus - Jagerskiold, 1903
                                                                                                           Genus # Stellantchasmas -  
                                                                                                           Genus # Stictodora - Looss, 1899
                                                                                   Family # Nasitrematidae - Ozaki, 1935
                                                                                                           Genus # Cetitrema -  
                                                                                                           Genus # Nasitrema - Ozaki, 1935
                                                                                   Family # Opisthorchiidae -  
                                                                                                           Genus # Amphimerus - Barker, 1911
                                                                                                           Genus # Clonorchis - Looss, 1907
                                                                                                           Genus # Metorchis - Looss, 1899
                                                                                                           Genus # Opisthorchis - Blanchard, 1895
                                                                                                           Genus # Parametorchis - Skrjabin, 1913
                                                                                                           Genus # Plotnikovia - Skjabin, 1945
                                                                                                           Genus # Pseudamphimerus - Gower, 1940
                                                                                   Family # Pachytrematidae -  
                                                                                                           Genus # Pachytrema - Looss, 1907
                                                                 Suborder # Paramphistomata -  
                                                                                   Family # Brumptidae -  
                                                                                                           Genus # Brumptia -  
                                                                                   Family # Cladorchiidae -  
                                                                                                           Genus # Cladorchis -  
                                                                                   Family # Gastrodiscidae -  
                                                                                                           Genus # Gastrodiscoides -  
                                                                                                           Genus # Gastrodiscus -  
                                                                                   Family # Gastrothylacidae -  
                                                                                                           Genus # Carmyerius -  
                                                                                                           Genus # Fischoederius -  
                                                                                                           Genus # Gastrothylax -  
                                                                                                           Genus # Johnsonitrema -  
                                                                                                           Genus # Taprobanella -  
                                                                                   Family # Heronimidae -  
                                                                                                           Genus # Heronimus -  
                                                                                   Family # Mesometridae -  
                                                                                                           Genus # Centroderma -  
                                                                                                           Genus # Mesometra -  
                                                                                                           Genus # Wardula -  
                                                                                   Family # Microscaphidiidae -  
                                                                                                           Genus # Dictyangium - Stunkard, 1943
                                                                                                           Genus # Hexangitrema - Price, 1937
                                                                                   Family # Notocotylidae -  
                                                                                                           Genus # Catatropis - Odhner, 1905
                                                                                                           Genus # Hofmonostomum - Harwood, 1939
                                                                                                           Genus # Notocotylus - Diesing, 1839
                                                                                                           Genus # Ogmogaster - Jagerskiold, 1891
                                                                                                           Genus # Paramonostomum - Luhe, 1909
                                                                                                           Genus # Quinqueserialis - Skwortzow, 1955
                                                                                                           Genus # Tristriata - Belopolskaia, 1953
                                                                                   Family # Nudacotylidae -  
                                                                                                           Genus # Neocotyle -  
                                                                                                           Genus # Nudacotyle - Barker, 1916
                                                                                   Family # Opisthotrematidae - Poche, 1926
                                                                                                           Genus # Lanktrema -  
                                                                                                           Genus # Opisthotrema - Fischer, 1883
                                                                                                           Genus # Pulmonicola -  
                                                                                   Family # Paramphistomatidae -  
                                                                                                           Genus # Allassostoma - Stunkard, 1917
                                                                                                           Genus # Allassostomoides - Stunkard, 1925
                                                                                                           Genus # Chiorchis - Fischoeder, 1901
                                                                                                           Genus # Cleptodiscus - Linton, 1910
                                                                                                           Genus # Cotylophoron - Stiles and Goldberger, 1910
                                                                                                           Genus # Megalodiscus - Chandler, 1923
                                                                                                           Genus # Ophioxenos - Sumwalt, 1926
                                                                                                           Genus # Paramphistomum - Fischoeder, 1901
                                                                                                           Genus # Pisciamphistoma - Yamaguti, 1954
                                                                                                           Genus # Pseudophisthodiscus - Yamaguti, 1958
                                                                                                           Genus # Stichorchis - Fischoeder, 1901
                                                                                                           Genus # Wardius - Barker and East, 1915
                                                                                                           Genus # Zygocotyle - Stunkard, 1917
                                                                                   Family # Pronocephalidae -  
                                                                                                           Genus # Astrochis - Poche, 1925
                                                                                                           Genus # Diaschistorchis - Johnston, 1913
                                                                                                           Genus # Macravestibulum - Mackin, 1930
                                                                                                           Genus # Parapronocephalum - Belopolskaia, 1952
                                                                                                           Genus # Pleurogonius - Looss, 1901
                                                                                                           Genus # Pyelosomum - Looss, 1899
                                                                                   Family # Rhabdiopoeidae -  
                                                                                                           Genus # Rhabdiopoeus -  
                                                                                   Family # Stephanopharyngidae -  
                                                                 Suborder # Plagiorchiata -  
                                                                                   Family # Allassogonoporidae - Odening, 1964
                                                                                                           Genus # Allassogonoporus - Olivier, 1938
                                                                                                           Genus # Cephalophallus - Macy and Moore, 1954
                                                                                                           Genus # Myotitrema - Macy, 1939
                                                                                   Family # Anchitrematidae -  
                                                                                                           Genus # Anchitrema -  
                                                                                   Family # Anenterotrematidae -  
                                                                                                           Genus # Anenterotrema -  
                                                                                   Family # Auridistomidae - Stunkard, 1924
                                                                                                           Genus # Auridistomum - Stafford, 1905
                                                                                                           Genus # Patagium -  
                                                                                   Family # Brachycoeliidae - Odening, 1964
                                                                                                           Genus # Brachycoelium - Stiles and Hassall, 1898
                                                                                                           Genus # Cymatocarpus - Looss, 1899
                                                                                                           Genus # Tremiorchis -  
                                                                                   Family # Calycodidae -  
                                                                                                           Genus # Calycodes -  
                                                                                   Family # Cephalogonimidae -  
                                                                                                           Genus # Cephalogonimoides - Brooks and Buckner, 1976
                                                                                                           Genus # Cephalogonimus - Poirier, 1886
                                                                                                           Genus # Emoleptalea -  
                                                                                                           Genus # Oudhia -  
                                                                                                           Genus # Paracephalogonimus -  
                                                                                   Family # Cephaloporidae -  
                                                                                                           Genus # Alloplectognathotrema -  
                                                                                                           Genus # Cephaloporus -  
                                                                                                           Genus # Plectognathotrema - Layman, 1930
                                                                                                           Genus # Plectognathotrematoides -  
                                                                                   Family # Cortrematidae -  
                                                                                                           Genus # Cortrema -  
                                                                                   Family # Dicrocoeliidae -  
                                                                                                           Genus # Allocorrigia - Turner and Corkum, 1977
                                                                                                           Genus # Athesmia - Looss, 1899
                                                                                                           Genus # Brachylecithum - Shtrom, 1940
                                                                                                           Genus # Concinnum - Bhalerao, 1936
                                                                                                           Genus # Conspicuum - Bhalerao, 1936
                                                                                                           Genus # Corrigia - Shtrom, 1940
                                                                                                           Genus # Dicrocoelium - Dujardin, 1845
                                                                                                           Genus # Lubens - Travassos, 1920
                                                                                                           Genus # Lutztrema - Travassos, 1941
                                                                                                           Genus # Lyperosomum - Looss, 1899
                                                                                                           Genus # Paradistomum - Kossack, 1910
                                                                                                           Genus # Platynosomum - Looss, 1907
                                                                                                           Genus # Zonorchis - Travassos, 1944
                                                                                   Family # Dolichoperidae -  
                                                                                                           Genus # Dolichopera -  
                                                                                                           Genus # Dolichoperoides -  
                                                                                   Family # Encyclometridae -  
                                                                                                           Genus # Encyclometra -  
                                                                                   Family # Eumegacetidae -  
                                                                                                           Genus # Eumegacetes -  
                                                                                                           Genus # Papillatrema -  
                                                                                                           Genus # Posthovitellum -  
                                                                                   Family # Haematoloechidae - Odening, 1964
                                                                                                           Genus # Haematoloechus - Looss, 1899
                                                                                                           Genus # Neohaematoloechus -  
                                                                                                           Genus # Ostioloides -  
                                                                                                           Genus # Ostiolum - Pratt, 1902
                                                                                   Family # Laterotrematidae - Yamaguti, 1958
                                                                                                           Genus # Laterotrema - Semenow, 1928
                                                                                                           Genus # Srivastavatrema -  
                                                                                   Family # Lecithodendriidae -  
                                                                                                           Genus # Acanthatrium - Faust, 1919
                                                                                                           Genus # Cephalouterina - Senger and Macy, 1953
                                                                                                           Genus # Echinuscodendrium - Skarbilovich, 1943
                                                                                                           Genus # Glyptoporus - Macy, 1936
                                                                                                           Genus # Gyrabascus - Macy, 1935
                                                                                                           Genus # Langeronia - Caballero and Bravo-hollis, 1949
                                                                                                           Genus # Lecithodendrium - Looss, 1896
                                                                                                           Genus # Limatulum - Travassos, 1921
                                                                                                           Genus # Loxogenes - Stafford, 1905
                                                                                                           Genus # Loxogenoides - Kaw, 1945
                                                                                                           Genus # Macyella - Neiland, 1951
                                                                                                           Genus # Metoliophilus - Macy and Bell, 1968
                                                                                                           Genus # Mosesia - Travassos, 1921
                                                                                                           Genus # Ochoterenatrema - Caballero, 1943
                                                                                                           Genus # Ornithodendrium - Oshmarin and Dotsenko, 1951
                                                                                                           Genus # Ototrema - Font, 1978
                                                                                                           Genus # Paralecithodendrium - Odhner, 1910
                                                                                                           Genus # Prosthodendrium - Dollfus, 1931
                                                                                                           Genus # Prosthopycoides - Martin, 1966
                                                                                                           Genus # Pseudosonsinotrema - Dollfus, 1951
                                                                                                           Genus # Tremajoannes - Saoud, 1964
                                                                                   Family # Macroderidae -  
                                                                                   Family # Macroderoididae -  
                                                                                                           Genus # Alloglossidium - Simer, 1929
                                                                                                           Genus # Alloglossoides - Corkum and Turner, 1977
                                                                                                           Genus # Alloglyptus - Byrd, 1950
                                                                                                           Genus # Glypthelmis - Stafford, 1905
                                                                                                           Genus # Haplometrana - Lucker, 1931
                                                                                                           Genus # Hirudicolotrema - Fish and Vande Vusse, 1976
                                                                                                           Genus # Hylotrema - Sullivan, 1973
                                                                                                           Genus # Macroderoides - Pearse, 1924
                                                                                                           Genus # Paramacroderoides - Venard, 1941
                                                                                                           Genus # Pseudomagnivitellum - Dronen and Underwood, 1980
                                                                                   Family # Mesocoeliidae - Dollfus, 1933
                                                                                                           Genus # Mesocoelium - Odhner, 1911
                                                                                   Family # Microphallidae -  
                                                                                                           Genus # Androcotyla - Deblock and Heard, 1970
                                                                                                           Genus # Ascorhytis - Ching, 1965
                                                                                                           Genus # Atriophallophorus - Deblock and Rose, 1964
                                                                                                           Genus # Cameophallus - Cable and Kuns, 1951
                                                                                                           Genus # Derytrema - Rebecq, 1962
                                                                                                           Genus # Gynaecotyla - Yamaguti, 1939
                                                                                                           Genus # Heardlevinseniella - Stiles and Hassall, 1901
                                                                                                           Genus # Levinseniella - Stiles and Hassall, 1901
                                                                                                           Genus # Longiductotrema - Deblock and Heard, 1969
                                                                                                           Genus # Maritrema - Nicoll, 1907
                                                                                                           Genus # Maritreminoides - Rankin, 1939
                                                                                                           Genus # Megalophallus -  
                                                                                                           Genus # Microphallus - Ward, 1901
                                                                                                           Genus # Odhneria - Travassos, 1921
                                                                                                           Genus # Probolocorphe - Otagaki, 1958
                                                                                                           Genus # Pseudomegalophallus -  
                                                                                                           Genus # Pseudospelotrema - Yamaguti, 1939
                                                                                                           Genus # Spelotrema - Jagerskiold, 1901
                                                                                   Family # Ochetosomatidae -  
                                                                                                           Genus # Dasymetra - Nicoll, 1911
                                                                                                           Genus # Lechriorchis - Stafford, 1905
                                                                                                           Genus # Natriodera - Mehra, 1937
                                                                                                           Genus # Ochetosoma - Braun, 1901
                                                                                                           Genus # Paralechriorchis - Byrd and Denton, 1938
                                                                                                           Genus # Pneumatophilus - Odhner, 1911
                                                                                                           Genus # Renifer -  
                                                                                   Family # Omphalometridae -  
                                                                                                           Genus # Opisthoglyphe -  
                                                                                   Family # Opisthogonimidae -  
                                                                                                           Genus # Opisthogonimus -  
                                                                                   Family # Pachypsolidae - Yamaguti, 1958
                                                                                                           Genus # Pachypsolus - Looss, 1901
                                                                                   Family # Plagiorchiidae -  
                                                                                                           Genus # Allopharynx - Shtrom, 1928
                                                                                                           Genus # Eustomus - Maccallum, 1921
                                                                                                           Genus # Neoglyphe - Shaldybin, 1954
                                                                                                           Genus # Parastiotrema - Miller, 1940
                                                                                                           Genus # Plagiorchis - Luhe, 1899
                                                                                                           Genus # Plagitura - Holl, 1928
                                                                                                           Genus # Stomatrema - Guberiet, 1928
                                                                                                           Genus # Styphlodora - Looss, 1899
                                                                                                           Genus # Styphlotrema - Odhner, 1911
                                                                                                           Genus # Travtrema - Pereira, 1929
                                                                                   Family # Pleurogenidae -  
                                                                                                           Genus # Pleurogenoides -  
                                                                                   Family # Prosthogonimidae - Nicoll, 1924
                                                                                                           Genus # Cephalotrema -  
                                                                                                           Genus # Mediogonimus - Woodhead and Malewitz, 1936
                                                                                                           Genus # Ophthalmogonimus -  
                                                                                                           Genus # Prosthogonimus - Luhe, 1899
                                                                                                           Genus # Schistogonimus -  
                                                                                   Family # Renicolidae -  
                                                                                                           Genus # Renicola - Cohn, 1904
                                                                                   Family # Rhytidodidae -  
                                                                                                           Genus # Rhytidodes - Looss, 1901
                                                                                                           Genus # Thytidodoides -  
                                                                                   Family # Stomylotrematidae -  
                                                                                                           Genus # Stomglotrema - Looss, 1900
                                                                                   Family # Telorchiidae - Nicoll, 1924
                                                                                                           Genus # Auritelorchis - Stunkard and Franz, 1977
                                                                                                           Genus # Orchidasma - Looss, 1900
                                                                                                           Genus # Protenes - Barker and Covey, 1912
                                                                                                           Genus # Telorchis - Luhe, 1899
                                                                 Suborder # Rencolata -  
                                                                                   Family # Isoparorchiidae -  
                                                                                                           Genus # Cladolecithotrema -  
                                                                                                           Genus # Elongoparorchis -  
                                                                                                           Genus # Isoparorchis -  
                                                                                   Family # Lecithasteridae -  
                                                                                   Family # Lecithochiridae -  
                                                                                   Family # Ratziidae -  
                                                                 Suborder # Troglotremata - Schell, 1980
                                                                                   Family # Collyriclidae -  
                                                                                                           Genus # Collyricium - Kossack, 1911
                                                                                   Family # Nanophyetidae - Dollfus, 1939
                                                                                                           Genus # Macroorchis -  
                                                                                                           Genus # Nanophyetus - Chapin, 1927
                                                                                                           Genus # Pseudotroglotrema -  
                                                                                   Family # Paragonimidae - Dollfus, 1939
                                                                                                           Genus # Paragonimus - Braun, 1899
                                                                                   Family # Troglotrematidae -  
                                                                                                           Genus # Beaveria - Lee, 1965
                                                                                                           Genus # Troglotrema - Odhner, 1914
                                                                                                           Genus # Xiphidiotrema - Senger, 1953
                                                                 Suborder # Zoogonata - Odening, 1961
                                                                                   Family # Lissorchiidae -  
                                                                                                           Genus # Asymphylodora - Looss, 1899
                                                                                                           Genus # Brahamputrotrema -  
                                                                                                           Genus # Lissorchis - Magath, 1917
                                                                                                           Genus # Neopaleorchis - Schell, 1973
                                                                                                           Genus # Palaeorchis - Szidat, 1943
                                                                                   Family # Monorchiidae -  
                                                                                                           Genus # Genolopa - Linton, 1910
                                                                                                           Genus # Hurleytrema - Srivastava, 1939
                                                                                                           Genus # Hurleytrematoides - Yamaguti, 1954
                                                                                                           Genus # Lasiotocus - Looss, 1907
                                                                                                           Genus # Monorcheides - Odhner, 1905
                                                                                                           Genus # Monorchis - Looss, 1902
                                                                                                           Genus # Postmonorchis - Hopkins, 1941
                                                                                                           Genus # Telolecithus - Lloyd and Guberlet, 1932
                                                                                   Family # Octotestidae -  
                                                                                                           Genus # Octotestis -  
                                                                                   Family # Steganodermatidae - Dollfus, 1952
                                                                                                           Genus # Brachyenteron - Manter, 1934
                                                                                                           Genus # Deretrema - Linton, 1910
                                                                                                           Genus # Hudsonia - Campbell, 1975
                                                                                                           Genus # Lepidophyllum - Odhner, 1902
                                                                                                           Genus # Proctophantastes - Odhner, 1911
                                                                                                           Genus # Pseudochetosoma -  
                                                                                                           Genus # Steganoderma - Stafford, 1904
                                                                                                           Genus # Urinatrema - Yamaguti, 1934
                                                                                   Family # Zoogonidae -  
                                                                                                           Genus # Diphtherostomum - Stossich, 1904
                                                                                                           Genus # Glaucivermis - Overstreet, 1971
                                                                                                           Genus # Neozoogonus - Arai, 1954
                                                                                                           Genus # Zoogonoides - Odhner, 1902
                                                                                                           Genus # Zoogonus - Looss, 1901
                                   Class # Proseriata -  
                                                                                                           Genus # Prosogynopora - Laumer and Curini-Galletti, 2014
                                                           Order # Lithophora -  
                                                                                                           Genus # Japanoplana - Ax, 1994
                                                                                   Family # Archimonocelidae - Meixner, 1938
                                                                                         Subfamily # Archimonocelidinae - Meixner, 1938
                                                                                                           Genus # Archimonocelis - Meixner, 1938
                                                                                   Family # Calviriidae - Martens and Curini-Galletti, 1993
                                                                                                           Genus # Asilomaria - Karling, 1966
                                                                                                           Genus # Calviria - Martens and Curini-Galletti, 1993
                                                                                                           Genus # Diskeria - Schockaert, Curini-Galletti, De Ridder and Artois, 2011
                                                                                                           Genus # Paracalviria - Schockaert, Curini-Galletti, De Ridder and Artois, 2011
                                                                                   Family # Coelogynoporidae - Bresslau, 1933
                                                                                                           Genus # Carenscoilia - Sopott, 1972
                                                                                                           Genus # Cirrifera - Sopott, 1972
                                                                                                           Genus # Coelogynopora - Steinböck, 1924
                                                                                                           Genus # Ezona - Tajika, 1980
                                                                                                           Genus # Invenusta - Sopott-Ehlers, 1976
                                                                                                           Genus # Macroatrium - Riser, 1981
                                                                                                           Genus # Parainvenusta - Curini-Galletti, 2010
                                                                                                           Genus # Pseudovannuccia - Faubel and Rohde, 1998
                                                                                                           Genus # Stilivannuccia - Faubel and Rohde, 1998
                                                                                                           Genus # Vannuccia - Marcus, 1948
                                                                                   Family # Meidiamidae - Schockaert, Curini-Galletti, De Ridder, Volonterio and Artois, 2009
                                                                                                           Genus # Dreuxiola - Schockaert, Curini-Galletti, De Ridder, Volonterio and Artois, 2009
                                                                                                           Genus # Meidiama - Marcus, 1946
                                                                                                           Genus # Serrula - Schockaert, Curini-Galletti, De Ridder, Volonterio and Artois, 2009
                                                                                                           Genus # Yorknia - Schockaert, Curini-Galletti, De Ridder, Volonterio and Artois, 2009
                                                                                   Family # Monocelididae - Hofsten, 1907
                                                                                         Subfamily # Archiloinae - Faubel and Rohde, 1998
                                                                                                           Genus # Archilina - Ax, 1959
                                                                                                           Genus # Archiloa - de Beauchamp, 1910
                                                                                                           Genus # Archilopsis - Meixner, 1938
                                                                                                           Genus # Inaloa - Martens and Curini-Galletti, 1994
                                                                                                           Genus # Mesoda - Marcus, 1949
                                                                                                           Genus # Monocelopsis - Ax, 1951
                                                                                                           Genus # Tajikina - Martens and Curini-Galletti, 1994
                                                                                         Subfamily # Cannoninae - Faubel and Rohde, 1998
                                                                                                           Genus # Acanthopseudomonocelis - Curini-Galletti and Cannon, 1995
                                                                                                           Genus # Cannona - Faubel and Rohde, 1998
                                                                                                           Genus # Pseudomonocelis - Meixner, 1943
                                                                                         Subfamily # Duplomonocelidinae - Litvaitis, Curini-Galletti, Martens and Kocher, 1996
                                                                                                           Genus # Promonotus - Beklemischev, 1927
                                                                                         Subfamily # Minoninae - Karling, 1978
                                                                                                           Genus # Duplominona - Karling, 1967
                                                                                                           Genus # Duploperaclistus - Martens, 1983
                                                                                                           Genus # Ectocotyla - Hyman, 1944
                                                                                                           Genus # Minona - Marcus, 1946
                                                                                                           Genus # Peraclistus - Steinböck, 1932
                                                                                                           Genus # Preminona - Karling, 1966
                                                                                                           Genus # Pseudominona - Karling, 1978
                                                                                         Subfamily # Monocelidinae - Hofsten, 1907
                                                                                                           Genus # Boreocelis - Westblad, 1952
                                                                                                           Genus # Digenobothrium - Palombi, 1926
                                                                                                           Genus # Heteromonocelis - Miller and Faubel, 2003
                                                                                                           Genus # Monocelis - Ehrenberg, 1831
                                                                                                           Genus # Myrmeciplana - Graff, 1911
                                                                                                           Genus # Necia - Marcus, 1950
                                                                                                           Genus # Paramonotus - Meixner, 1938
                                                                                                           Genus # Sabazius - Marcus, 1954
                                                                                   Family # Monotoplanidae - Ax, 1958
                                                                                                           Genus # Monotoplana - Meixner, 1938
                                                                                   Family # Otomesostomatidae - Hofsten, 1907
                                                                                                           Genus # Baikalotomesostoma - Timoshkin and Lukhnev, 2010
                                                                                                           Genus # Otomesostoma - Graff, 1882
                                                                                   Family # Otoplanidae - Hallez, 1892
                                                                                         Subfamily # Archotoplaninae - Ax, 1956
                                                                                                           Genus # Archotoplana - Ax, 1956
                                                                                         Subfamily # Bulbotoplaninae - Ax, 1956
                                                                                                           Genus # Bulbotoplana - Ax, 1956
                                                                                         Subfamily # Cirroplaninae - Miller and Faubel, 2003
                                                                                                           Genus # Cirroplana - Miller and Faubel, 2003
                                                                                         Subfamily # Otoplaninae - Hallez, 1892
                                                                                                           Genus # Alaskaplana - Ax and Armonies, 1990
                                                                                                           Genus # Americanaplana - Ax and Ax, 1967
                                                                                                           Genus # Bothriomolus - Hallez, 1909
                                                                                                           Genus # Dicoelandropora - Ax, 1956
                                                                                                           Genus # Itaspiella - Ax, 1956
                                                                                                           Genus # Itaspis - Marcus, 1952
                                                                                                           Genus # Kata - Marcus, 1949
                                                                                                           Genus # Lauraplana - Miller and Faubel, 2003
                                                                                                           Genus # Monostichoplana - Ax, 1956
                                                                                                           Genus # Napoliplana - Ax, Weidemann and Ehlers, 1978
                                                                                                           Genus # Notocaryoplana - Steinböck, 1935
                                                                                                           Genus # Notocaryoturbella - Lanfranchi, 1969
                                                                                                           Genus # Orthoplana - Steinböck, 1932
                                                                                                           Genus # Otoplana - Du Plessis, 1889
                                                                                                           Genus # Otoplanella - Ax, 1956
                                                                                                           Genus # Paradoxoplana - Ax, 1956
                                                                                                           Genus # Pluribursaeplana - Ax and Ax, 1967
                                                                                                           Genus # Pseudorthoplana - Ax, Weidemann and Ehlers, 1978
                                                                                                           Genus # Serpentiplana - Karling, 1964
                                                                                                           Genus # Xenotoplana - Ax, Weidemann and Ehlers, 1978
                                                                                                           Genus # Zygotoplana - Tajika, 1983
                                                                                         Subfamily # Parotoplaninae - Ax, 1956
                                                                                                           Genus # Galapagoplana - Ax and Ax, 1974
                                                                                                           Genus # Kataplana - Ax, 1956
                                                                                                           Genus # Otoplanidia - Meixner, 1938
                                                                                                           Genus # Paraplana - Ax, 1956
                                                                                                           Genus # Parotoplana - Meixner, 1938
                                                                                                           Genus # Parotoplanella - Ax, 1956
                                                                                                           Genus # Parotoplanina - Ax, 1956
                                                                                                           Genus # Philosyrtis - Giard, 1904
                                                                                                           Genus # Polyrhabdoplana - Ax and Ax, 1967
                                                                                                           Genus # Postbursoplana - Ax, 1956
                                                                                                           Genus # Praebursoplana - Ax, 1956
                                                                                                           Genus # Pseudosyrtis - Ax, 1956
                                                                                                           Genus # Triporoplana - Ax, 1956
                                                           Order # Unguiphora -  
                                                                                                           Genus # Alloeostyliphora - Curini-Galletti, Oggiano and Casu, 2001
                                                                                   Family # Ciliopharyngiellidae - Ax, 1952
                                                                                                           Genus # Ciliopharyngiella - Ax, 1952
                                                                                   Family # Nematoplanidae - Meixner, 1938
                                                                                                           Genus # Ezoplana - Tajika, 1982
                                                                                                           Genus # Nematoplana - Meixner, 1938
                                                                                                           Genus # Tabaota - Marcus, 1950
                                                                                                           Genus # Togarma - Marcus, 1949
                                                                                   Family # Polystyliphoridae - Ax, 1958
                                                                                                           Genus # Polystyliphora - Ax, 1958
                                   Class # Rhabdocoela -  
                                                           Order # Dalytyphloplanida -  
                                                                                                           Genus # Aegira - Willems, Artois, Vermin, Backeljau and Schockaert, 2005
                                                                                                           Genus # Halammovortex - Karling, 1943
                                                                                                           Genus # Jensenia - Graff, 1882
                                                                                                           Genus # Kaitalugia - Willems, Artois, Backeljau and Schockaert, 2005
                                                                                                           Genus # Micropalaeosoma - Poinar, 2004
                                                                                                           Genus # Styloplanella - Findenegg, 1924
                                                                                                           Genus # Thalassoplanella - Luther, 1946
                                                                                                           Genus # Ventrociliella - Kolasa, 1977
                                                                                   Family # Acholadidae - Hickman and Olsen, 1955
                                                                                                           Genus # Acholades - Hickman and Olsen, 1955
                                                                                   Family # Byrsophlebidae - Graff, 1905
                                                                                                           Genus # Byrsophlebs - Jensen, 1878
                                                                                                           Genus # Maehrenthalia - Graff, 1905
                                                                                                           Genus # Maehrenthaliella - Karling, 1985
                                                                                                           Genus # Parabyrsophlebs - Karling, 1985
                                                                                   Family # Dalyelliidae - Graff, 1905
                                                                                                           Genus # Alexlutheria - Karling, 1956
                                                                                                           Genus # Austrodalyellia - Hochberg and Cannon, 2002
                                                                                                           Genus # Axiola - Luther, 1955
                                                                                                           Genus # Beauchampiola - Luther, 1957
                                                                                                           Genus # Castrella - Fuhrmann, 1900
                                                                                                           Genus # Dalyellia - Fleming, 1822
                                                                                                           Genus # Fulinskiella - Gieysztor and Szynal, 1939
                                                                                                           Genus # Gieysztoria - Ruebush and Hayes, 1939
                                                                                                           Genus # Haplodidymos - Hochberg and Cannon, 2002
                                                                                                           Genus # Microdalyellia - Gieysztor, 1938
                                                                                                           Genus # Polliculus - Van Steenkiste, Volonterio, Schockaert and Artois, 2008
                                                                                                           Genus # Pseudodalyellia - Van Steenkiste, Gobert, Davison, Kolasa and Artois, 2011
                                                                                                           Genus # Sergia - Nasonov, 1923
                                                                                                           Genus # Thalassovortex - Papi, 1956
                                                                                                           Genus # Vaillantiella - Luther, 1955
                                                                                                           Genus # Varsoviella - Gieysztor and Wiszniewski, 1947
                                                                                   Family # Graffillidae - Graff, 1904
                                                                                         Subfamily # Bresslauillinae - Bresslau, 1933
                                                                                                           Genus # Bresslauilla - Reisinger, 1929
                                                                                         Subfamily # Graffillinae - Graff, 1904
                                                                                                           Genus # Graffilla - Ihering, 1880
                                                                                                           Genus # Paravortex - Wahl, 1906
                                                                                         Subfamily # Pseudograffillinae - Meixner, 1938
                                                                                                           Genus # Nygulgus - Marcus, 1954
                                                                                                           Genus # Pseudograffilla - Meixner, 1938
                                                                                   Family # Hypoblepharinidae - Böhmig, 1914
                                                                                                           Genus # Hypoblepharina - Böhmig, 1914
                                                                                                           Genus # Prorhynchopsis - de Beauchamp, 1912
                                                                                   Family # Kytorhynchidae - Rieger, 1974
                                                                                                           Genus # Kytorhynchella - Rieger, 1974
                                                                                                           Genus # Kytorhynchus - Rieger, 1974
                                                                                                           Genus # Neokytorhynchus - Ehlers and Ehlers, 1981
                                                                                   Family # Luridae - Sterrer and Rieger, 1990
                                                                                                           Genus # Luriculus - Faubel, Rohde and Watson, 1994
                                                                                                           Genus # Lurus - Marcus, 1950
                                                                                   Family # Promesostomidae -  
                                                                                                           Genus # Gaziella - De Clerck and Schockaert, 1995
                                                                                                           Genus # Paraproboscifer - De Clerck, 1994
                                                                                                           Genus # Vauclusia - Willems, Artois, Vermin, Backeljau and Schockaert, 2004
                                                                                         Subfamily # Adenorhynchinae - Ax and Heller, 1970
                                                                                                           Genus # Adenorhynchus - Meixner, 1938
                                                                                                           Genus # Listea - Ax and Heller, 1970
                                                                                                           Genus # Litucivis - Ax and Heller, 1970
                                                                                                           Genus # Scoliopharyngia - Ehlers, Mueller and Franke, 1994
                                                                                         Subfamily # Brinkmanniellinae - Luther, 1948
                                                                                                           Genus # Brinkmanniella - Luther, 1943
                                                                                                           Genus # Cilionema - Karling, Mack-Fira and Dörjes, 1972
                                                                                                           Genus # Coronhelmis - Luther, 1948
                                                                                                           Genus # Einarella - Luther, 1948
                                                                                                           Genus # Hartogia - Mack-Fira, 1968
                                                                                                           Genus # Kymocarens - Ehlers and Ehlers, 1981
                                                                                                           Genus # Memyla - Marcus, 1952
                                                                                                           Genus # Moevenbergia - Armonies and Hellwig, 1987
                                                                                                           Genus # Pararhynchella - Ehlers and Ehlers, 1981
                                                                                                           Genus # Protandrella - Ehlers, Mueller and Franke, 1994
                                                                                                           Genus # Subulagera - Ehlers, 1974
                                                                                                           Genus # Tvaerminnea - Luther, 1943
                                                                                                           Genus # Westbladiella - Luther, 1943
                                                                                                           Genus # Wydula - Marcus, 1954
                                                                                         Subfamily # Promesostominae -  
                                                                                                           Genus # Promesostoma - Graff, 1882
                                                                                   Family # Provorticidae - Beklemischev, 1927
                                                                                                           Genus # Eldenia - Ax, 2008
                                                                                         Subfamily # Haplovejdovskyinae - Luther, 1962
                                                                                                           Genus # Haplovejdovskya - Ax, 1954
                                                                                         Subfamily # Kirgisellinae - Luther, 1962
                                                                                                           Genus # Baicalellia - Nasonov, 1930
                                                                                                           Genus # Balgetia - Luther, 1962
                                                                                                           Genus # Canetellia - Ax, 1956
                                                                                                           Genus # Coronopharynx - Luther, 1962
                                                                                                           Genus # Daelja - Marcus, 1951
                                                                                                           Genus # Drepanilla - Ehlers, 1979
                                                                                                           Genus # Hangethellia - Karling, 1940
                                                                                                           Genus # Kalyla - Marcus, 1951
                                                                                                           Genus # Kirgisella - Beklemischev, 1927
                                                                                                           Genus # Pogaina - Marcus, 1954
                                                                                                           Genus # Selimia - Ax, 1959
                                                                                         Subfamily # Provorticinae - Beklemischev, 1927
                                                                                                           Genus # Annulovortex - Beklemischev, 1953
                                                                                                           Genus # Archivortex - Reisinger, 1924
                                                                                                           Genus # Haplovortex - Reisinger, 1924
                                                                                                           Genus # Oekiocolax - Reisinger, 1929
                                                                                                           Genus # Provortex - Graff, 1882
                                                                                                           Genus # Vejdovskya - Graff, 1905
                                                                                   Family # Pterastericolidae - Meixner, 1925
                                                                                                           Genus # Pterastericola - Beklemischev, 1916
                                                                                   Family # Solenopharyngidae - Graff, 1882
                                                                                                           Genus # Pilamonila - Willems, Artois, Vermin, Backeljau and Schockaert, 2004
                                                                                         Subfamily # Anthopharynginae - Ehlers, 1972
                                                                                                           Genus # Anthopharynx - Karling, 1940
                                                                                         Subfamily # Lenopharynginae - Ehlers, 1972
                                                                                                           Genus # Artinga - Marcus, 1948
                                                                                                           Genus # Espegrendia - Westblad, 1954
                                                                                                           Genus # Lenopharynx - Beklemischev, 1929
                                                                                         Subfamily # Solenopharynginae - Graff, 1882
                                                                                                           Genus # Adenopharynx - Ehlers, 1972
                                                                                                           Genus # Aulopharynx - Ehlers, 1972
                                                                                                           Genus # Austradenopharynx - Willems, Artois, Backeljau and Schockaert, 2005
                                                                                                           Genus # Culleopharynx - Ehlers, 1972
                                                                                                           Genus # Doliopharynx - Ehlers, 1972
                                                                                                           Genus # Proceropharynx - Ehlers, 1972
                                                                                                           Genus # Solenopharynx - Graff, 1882
                                                                                                           Genus # Sopharynx - Beklemischev, 1929
                                                                                                           Genus # Tensopharynx - Ehlers, 1972
                                                                                                           Genus # Trisaccopharynx - Karling, 1940
                                                                                   Family # Trigonostomidae - Graff, 1905
                                                                                         Subfamily # Mariplanellinae - Ax and Heller, 1970
                                                                                                           Genus # Lonchoplanella - Ehlers, 1974
                                                                                                           Genus # Mariplanella - Ax and Heller, 1970
                                                                                                           Genus # Poseidoplanella - Willems, Artois, Vermin, Backeljau and Schockaert, 2005
                                                                                         Subfamily # Paramesostominae - Luther, 1948
                                                                                                           Genus # Astrotorhynchus - Graff, 1905
                                                                                                           Genus # Gandalfia - Willems, Artois, Vermin, Backeljau and Schockaert, 2005
                                                                                                           Genus # Microvahine - Karling, Mack-Fira and Dörjes, 1972
                                                                                                           Genus # Paramesostoma - Attems, 1896
                                                                                         Subfamily # Trigonostominae - Graff, 1905
                                                                                                           Genus # Beklemischeviella - Luther, 1943
                                                                                                           Genus # Brederveldia - van der Velde and van de Winkel, 1975
                                                                                                           Genus # Ceratopera - Hartog, 1964
                                                                                                           Genus # Cryptostiopera - Ax, 1974
                                                                                                           Genus # Feanora - De Clerck and Schockaert, 1995
                                                                                                           Genus # Lutheriella - Hartog, 1966
                                                                                                           Genus # Mahurubia - Willems, Artois, Vermin, Backeljau and Schockaert, 2005
                                                                                                           Genus # Messoplana - Hartog, 1966
                                                                                                           Genus # Parapharyngiella - Willems, Artois, Vermin, Backeljau and Schockaert, 2005
                                                                                                           Genus # Petaliella - Ehlers, 1974
                                                                                                           Genus # Proxenetes - Jensen, 1878
                                                                                                           Genus # Ptychopera - Hartog, 1964
                                                                                                           Genus # Trigonostomum - Schmidt, 1852
                                                                                   Family # Typhloplanidae - Luther, 1904
                                                                                                           Genus # Carcharodopharynx - Reisinger, 1924
                                                                                                           Genus # Syringoplana - Artois, Willems, De Roeck, Jocque and Brendonck, 2005
                                                                                         Subfamily # Ascophorinae - Findenegg, 1924
                                                                                                           Genus # Ascophora - Findenegg, 1924
                                                                                                           Genus # Dochmiotrema - von Hofsten, 1907
                                                                                                           Genus # Protoascus - Hayes, 1941
                                                                                         Subfamily # Cephalopharynginae - Hochberg, 2004
                                                                                                           Genus # Cephalopharynx - Hochberg, 2004
                                                                                         Subfamily # Mesophaenocorinae - Noreña, Brusa, Ponce de Leon and Damborenea, 2005
                                                                                                           Genus # Mesophaenocora - Noreña, Brusa, Ponce de Leon and Damborenea, 2005
                                                                                         Subfamily # Mesostominae - Hyman, 1955
                                                                                                           Genus # Bothromesostoma - Braun, 1885
                                                                                                           Genus # Marcomesostoma - Janssen and Faubel, 1992
                                                                                                           Genus # Mesostoma - Ehrenberg, 1837
                                                                                                           Genus # Metamesostoma - Schubotz, 1922
                                                                                         Subfamily # Olisthanellinae - Luther, 1904
                                                                                                           Genus # Olisthanella - Voigt, 1892
                                                                                                           Genus # Sphagnella - Sekera, 1912
                                                                                                           Genus # Taborella - Sekera, 1912
                                                                                         Subfamily # Opistominae - Luther, 1963
                                                                                                           Genus # Archopistomum - An der Lan, 1939
                                                                                                           Genus # Opistomum - Schmidt, 1848
                                                                                         Subfamily # Phaenocorinae - Wahl, 1910
                                                                                                           Genus # Phaenocora - Ehrenberg, 1837
                                                                                                           Genus # Pseudophaenocora - Gilbert, 1938
                                                                                         Subfamily # Protoplanellinae - Reisinger, 1924
                                                                                                           Genus # Acrochordonoposthia - Reisinger, 1924
                                                                                                           Genus # Adenocerca - Reisinger, 1924
                                                                                                           Genus # Amphibolella - Findenegg, 1924
                                                                                                           Genus # Bockia - Reisinger, 1924
                                                                                                           Genus # Bryoplana - Van Steenkiste, Davison and Artois, 2010
                                                                                                           Genus # Chorizogynopora - Reisinger, 1924
                                                                                                           Genus # Haplorhynchella - Meixner, 1924
                                                                                                           Genus # Hoplopera - Reisinger, 1924
                                                                                                           Genus # Krumbachia - Reisinger, 1924
                                                                                                           Genus # Lioniella - Riedl, 1954
                                                                                                           Genus # Microcalyptorhynchus - Kepner and Ruebush, 1935
                                                                                                           Genus # Olisthanellinella - Reisinger, 1924
                                                                                                           Genus # Olisthanelliola - Schwank, 1980
                                                                                                           Genus # Perandropora - Reisinger, 1924
                                                                                                           Genus # Proamphibolella - An der Lan, 1939
                                                                                                           Genus # Prorhynchella - Ruebush, 1939
                                                                                                           Genus # Protopharyngiella - Schwank, 1980
                                                                                                           Genus # Protoplanella - Reisinger, 1924
                                                                                                           Genus # Pseudobockia - Kolasa, 1981
                                                                                                           Genus # Rhomboplanilla - Schwank, 1980
                                                                                                           Genus # Tauridella - Sekera, 1912
                                                                                                           Genus # Yagua - Du Bois-Reymond Marcus, 1958
                                                                                         Subfamily # Rhynchomesostominae - Bresslau, 1933
                                                                                                           Genus # Castrada - Schmidt, 1861
                                                                                                           Genus # Mesocastrada - Volz, 1898
                                                                                                           Genus # Papiella - Mack-Fira, 1970
                                                                                                           Genus # Rhynchomesostoma - Luther, 1904
                                                                                                           Genus # Tetracelis - Ehrenberg, 1831
                                                                                         Subfamily # Typhloplaninae - Luther, 1904
                                                                                                           Genus # Adenoplea - Reisinger, 1924
                                                                                                           Genus # Gullmariella - Luther, 1948
                                                                                                           Genus # Haloplanella - Luther, 1946
                                                                                                           Genus # Jovanella - An der Lan, 1939
                                                                                                           Genus # Kambanella - Steinböck, 1931
                                                                                                           Genus # Limnoruanis - Kolasa, 1977
                                                                                                           Genus # Lutheria - Hofsten, 1907
                                                                                                           Genus # Macrophysaliophora - Reisinger, 1924
                                                                                                           Genus # Magnetia - Hochberg and Cannon, 2003
                                                                                                           Genus # Notomonoophorum - Luther, 1948
                                                                                                           Genus # Pratoplana - Ax, 1960
                                                                                                           Genus # Ruanis - Marcus, 1952
                                                                                                           Genus # Strongylostoma - Ørsted, 1844
                                                                                                           Genus # Stygoplanellina - Ax, 1954
                                                                                                           Genus # Thalassoplanina - Ax, 1959
                                                                                                           Genus # Typhloplana - Ehrenberg, 1831
                                                                                                           Genus # Typhloplanella - Sekera, 1912
                                                                                                           Genus # Vranjella - An der Lan, 1939
                                                                                   Family # Umagillidae - Wahl, 1910
                                                                                                           Genus # Parafallacohospes - Shinn, 1987
                                                                                         Subfamily # Bicladinae - Stunkard and Corliss, 1951
                                                                                                           Genus # Bicladus - Kaburaki, 1925
                                                                                                           Genus # Desmote - Beklemischev, 1916
                                                                                                           Genus # Fallacohospes - Kozloff, 1965
                                                                                         Subfamily # Collastominae - Wahl, 1910
                                                                                                           Genus # Collastoma - Dörler, 1900
                                                                                         Subfamily # Umagillinae - Wahl, 1910
                                                                                                           Genus # Anoplodiera - Westblad, 1930
                                                                                                           Genus # Anoplodiopsis - Westblad, 1953
                                                                                                           Genus # Anoplodium - Schneider, 1858
                                                                                                           Genus # Cleistogamia - Faust, 1924
                                                                                                           Genus # Macrogynium - Meserve, 1934
                                                                                                           Genus # Monticellina - Westblad, 1953
                                                                                                           Genus # Notothrix - Hickman, 1956
                                                                                                           Genus # Ozametra - Marcus, 1949
                                                                                                           Genus # Paranotothrix - Cannon, 1982
                                                                                                           Genus # Seritia - Cannon, 1982
                                                                                                           Genus # Syndesmis - Francois, 1881
                                                                                                           Genus # Umagilla - Wahl, 1906
                                                                                                           Genus # Wahlia - Westblad, 1930
                                                                             Superfamily # Scutarielloidea -  
                                                                                   Family # Scutariellidae - Annandale, 1912
                                                                                         Subfamily # Paracaridinicolinae - Baer, 1953
                                                                                                           Genus # Paracaridinicola - Baer, 1953
                                                                                         Subfamily # Scutariellinae - Annandale, 1912
                                                                                                           Genus # Bubalocerus - Matjasic, 1958
                                                                                                           Genus # Caridinicola - Annandale, 1912
                                                                                                           Genus # Monodiscus - Plate, 1914
                                                                                                           Genus # Scutariella - Mrazek, 1907
                                                                                                           Genus # Stygodyticola - Matjasic, 1958
                                                                                                           Genus # Subtelsonia - Matjasic, 1958
                                                                                                           Genus # Troglocaridicola - Matjasic, 1958
                                                                             Superfamily # Temnocephaloidea -  
                                                                                   Family # Actinodactylellidae - Benham, 1901
                                                                                                           Genus # Actinodactylella - Haswell, 1893
                                                                                   Family # Diceratocephalidae - Joffe, Cannon and Schockaert, 1998
                                                                                                           Genus # Decadidymus - Cannon, 1991
                                                                                                           Genus # Diceratocephala - Baer, 1953
                                                                                   Family # Temnocephalidae - Monticelli, 1899
                                                                                                           Genus # Achenella - Cannon, 1993
                                                                                                           Genus # Craniocephala - Monticelli, 1905
                                                                                                           Genus # Dactylocephala - Monticelli, 1899
                                                                                                           Genus # Didymorchis - Haswell, 1900
                                                                                                           Genus # Notodactylus - Baer, 1953
                                                                                                           Genus # Temnocephala - Blanchard, 1849
                                                                                                           Genus # Temnohaswellia - Pereira and Cuoccolo, 1941
                                                                                                           Genus # Temnomonticellia - Pereira and Cuoccolo, 1941
                                                                                                           Genus # Temnosewellia - Damborenea and Cannon, 2001
                                                                                         Subfamily # Craspedellinae - Baer, 1931
                                                                                                           Genus # Craspedella - Haswell, 1893
                                                                                                           Genus # Gelasinella - Sewell and Cannon, 1998
                                                                                                           Genus # Heptacraspedella - Cannon and Sewell, 1995
                                                                                                           Genus # Zygopella - Cannon and Sewell, 1995
                                                           Order # Kalyptorhynchia -  
                                                                                                           Genus # Elvertia - Noldt, 1989
                                                                                                           Genus # Lekanorhynchus - Meixner, 1938
                                                                                                           Genus # Syatkinella - Timoshkin, 2004
                                                                                                           Genus # Zonorhynchus - Karling, 1952
                                                                                   Family # Aculeorhynchidae - Schilke, 1969
                                                                                                           Genus # Aculeorhynchus - Schilke, 1969
                                                                                   Family # Bertiliellidae - Rieger and Sterrer, 1975
                                                                                                           Genus # Bertiliella - Rieger and Sterrer, 1975
                                                                                                           Genus # Florianella - Rieger and Sterrer, 1975
                                                                                   Family # Cheliplanidae - Schilke, 1970
                                                                                                           Genus # Archipelagoplana - Noldt and Hoxhold, 1984
                                                                                                           Genus # Baltoplana - Karling, 1949
                                                                                                           Genus # Cheliplana - de Beauchamp, 1927
                                                                                                           Genus # Cheliplanilla - Meixner, 1938
                                                                                   Family # Cicerinidae - Meixner, 1928
                                                                                                           Genus # Acirrostylus - Van Steenkiste, Volonterio, Schockaert and Artois, 2008
                                                                                         Subfamily # Acrumeninae - Karling, 1980
                                                                                                           Genus # Acrumena - Brunet, 1965
                                                                                                           Genus # Didiadema - Brunet, 1965
                                                                                                           Genus # Ethmorhynchus - Meixner, 1938
                                                                                         Subfamily # Cicerininae - Meixner, 1928
                                                                                                           Genus # Cicerina - Giard, 1904
                                                                                                           Genus # Paracicerina - Meixner, 1928
                                                                                                           Genus # Ptyalorhynchus - Ax, 1951
                                                                                                           Genus # Xenocicerina - Karling, 1956
                                                                                   Family # Crassicollidae - Dean, 1977
                                                                                                           Genus # Crassicollum - Dean, 1977
                                                                                   Family # Cystiplanidae - Karling, 1964
                                                                                                           Genus # Cystiplana - Karling, 1964
                                                                                                           Genus # Cystiplex - Karling, 1956
                                                                                                           Genus # Cystirete - Brunet, 1965
                                                                                                           Genus # Nigerrhynchus - Schilke, 1970
                                                                                   Family # Cytocystididae - Karling, 1964
                                                                                                           Genus # Cytocystis - Karling, 1953
                                                                                   Family # Diascorhynchidae - Meixner, 1929
                                                                                                           Genus # Diascorhynchides - Schilke, 1970
                                                                                                           Genus # Diascorhynchus - Meixner, 1928
                                                                                   Family # Gnathorhynchidae - Meixner, 1929
                                                                                                           Genus # Ancistrorhynchus - L'Hardy, 1963
                                                                                                           Genus # Carcharodognathus - Evdonin, 1977
                                                                                                           Genus # Drepanorhynchides - L'Hardy, 1966
                                                                                                           Genus # Gnathorhynchus - Meixner, 1929
                                                                                                           Genus # Neognathorhynchus - Karling, 1956
                                                                                                           Genus # Odontorhynchus - Karling, 1947
                                                                                                           Genus # Orbiculorhynchus - Noldt, 1986
                                                                                                           Genus # Paragnathorhynchus - Meixner, 1938
                                                                                                           Genus # Prognathorhynchus - Meixner, 1929
                                                                                                           Genus # Psittacorhynchus - Hartog, 1968
                                                                                                           Genus # Pterognathus - Evdonin, 1977
                                                                                                           Genus # Smithsoniarhynches - Hochberg, 2004
                                                                                                           Genus # Uncinorhynchus - Karling, 1947
                                                                                   Family # Karkinorhynchidae - Meixner, 1928
                                                                                                           Genus # Karkinorhynchides - Schilke, 1970
                                                                                                           Genus # Karkinorhynchus - Meixner, 1928
                                                                                                           Genus # Lehardyia - Karling, 1983
                                                                                   Family # Koinocystididae - Meixner, 1924
                                                                                                           Genus # Axiutelga - Karling, 1980
                                                                                                           Genus # Bhambathorhynchus - Willems and Artois, 2017
                                                                                                           Genus # Brunetia - Karling, 1980
                                                                                                           Genus # Falkla - Karling, 1952
                                                                                                           Genus # Galapagetula - Reygel, Artois and Willems, 2011
                                                                                                           Genus # Getula - Karling, 1980
                                                                                                           Genus # Gnorimorhynchus - Brunet, 1972
                                                                                                           Genus # Groveia - Karling, 1980
                                                                                                           Genus # Itaipusa - Marcus, 1949
                                                                                                           Genus # Itaipusina - Karling, 1980
                                                                                                           Genus # Koinocystis - Meixner, 1924
                                                                                                           Genus # Leguta - Karling, 1980
                                                                                                           Genus # Marirhynchus - Schilke, 1970
                                                                                                           Genus # Mesorhynchus - Karling, 1956
                                                                                                           Genus # Morimiurella - Timoshkin, 2010
                                                                                                           Genus # Neoutelga - Karling, 1980
                                                                                                           Genus # Paratenerrhynchus - Brunet, 1972
                                                                                                           Genus # Parautelga - Karling, 1964
                                                                                                           Genus # Pontaralia - Mack-Fira, 1968
                                                                                                           Genus # Rhinolasius - Marcus, 1951
                                                                                                           Genus # Sekerana - Sekera, 1912
                                                                                                           Genus # Tenerrhynchus - Brunet, 1972
                                                                                                           Genus # Utelga - Marcus, 1949
                                                                                   Family # Nannorhynchididae - Evdonin, 1977
                                                                                                           Genus # Nannorhynchides - Karling, 1964
                                                                                                           Genus # Pocillorhynchus - Brunet, 1973
                                                                                                           Genus # Toia - Marcus, 1952
                                                                                   Family # Nematorhynchidae - Schilke, 1969
                                                                                                           Genus # Nematorhynchus - Schilke, 1969
                                                                                   Family # Placorhynchidae - Meixner, 1938
                                                                                                           Genus # Chlamydorhynchus - Evdonin, 1977
                                                                                                           Genus # Clyporhynchus - Karling, 1947
                                                                                                           Genus # Harsa - Marcus, 1951
                                                                                                           Genus # Neoplacorhynchus - Evdonin, 1977
                                                                                                           Genus # Oneppus - Marcus, 1952
                                                                                                           Genus # Placorhynchus - Karling, 1931
                                                                                   Family # Polycystididae - Graff, 1905
                                                                                                           Genus # Alchoides - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Ametochus - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Arrawarria - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Duplexostylus - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Syltorhynchus - Noldt, 1989
                                                                                                           Genus # Triaustrorhynchus - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Yaquinaia - Schockaert and Karling, 1970
                                                                                         Subfamily # Gemelliclininae - Evdonin, 1977
                                                                                                           Genus # Gemelliclinus - Evdonin, 1970
                                                                                                           Genus # Palladia - Evdonin, 1977
                                                                                         Subfamily # Gyratricinae - Graff, 1905
                                                                                                           Genus # Gallorhynchus - Schockaert and Brunet, 1971
                                                                                                           Genus # Gyratrix - Ehrenberg, 1831
                                                                                         Subfamily # Phonorhynchoidinae - Tessens, Janssen and Artois, 2014
                                                                                                           Genus # Annalisella - Karling, 1978
                                                                                                           Genus # Brachyrhynchoides - Artois and Schockaert, 2013
                                                                                                           Genus # Djeziraia - Schockaert, 1971
                                                                                                           Genus # Phonorhynchoides - Beklemischev, 1927
                                                                                                           Genus # Phonorhynchopsis - Willems and Artois, 2017
                                                                                         Subfamily # Polycystidinae - Graff, 1905
                                                                                                           Genus # Acrorhynchides - Strand, 1928
                                                                                                           Genus # Acrorhynchus - Graff, 1882
                                                                                                           Genus # Alcha - Marcus, 1949
                                                                                                           Genus # Antiboreorhynchus - Karling, 1952
                                                                                                           Genus # Austrorhynchus - Karling, 1952
                                                                                                           Genus # Bermudorhynchus - Karling, 1978
                                                                                                           Genus # Cincturorhynchus - Evdonin, 1970
                                                                                                           Genus # Duplacrorhynchus - Schockaert and Karling, 1970
                                                                                                           Genus # Fungorhynchus - Karling, 1952
                                                                                                           Genus # Galapagorhynchus - Artois and Schockaert, 1999
                                                                                                           Genus # Hawadlia - Schockaert, 1971
                                                                                                           Genus # Koinocystella - Karling, 1952
                                                                                                           Genus # Macrorhynchus - Graff, 1882
                                                                                                           Genus # Megaloascos - Evdonin, 1970
                                                                                                           Genus # Opisthocystis - Sekera, 1912
                                                                                                           Genus # Parachrorhynchus - Karling, 1956
                                                                                                           Genus # Paraustrorhynchus - Karling and Schockaert, 1977
                                                                                                           Genus # Paulodora - Marcus, 1948
                                                                                                           Genus # Phonorhynchus - Graff, 1905
                                                                                                           Genus # Polycystis - Kölliker, 1845
                                                                                                           Genus # Porrocystis - Reisinger, 1926
                                                                                                           Genus # Progyrator - Sekera, 1901
                                                                                                           Genus # Pygmorhynchus - Artois and Schockaert, 1999
                                                                                                           Genus # Rogneda - Uljanin, 1870
                                                                                         Subfamily # Psammopolycystidinae - Evdonin, 1977
                                                                                                           Genus # Phonorhynchella - Karling, 1956
                                                                                                           Genus # Psammopolycystis - Meixner, 1938
                                                                                         Subfamily # Scanorhynchinae - Tessens, Janssen and Artois, 2014
                                                                                                           Genus # Annulorhynchus - Karling, 1956
                                                                                                           Genus # Danorhynchus - Karling, 1955
                                                                                                           Genus # Gyratricella - Karling, 1955
                                                                                                           Genus # Neopolycystis - Karling, 1955
                                                                                                           Genus # Scanorhynchus - Karling, 1955
                                                                                         Subfamily # Typhlopolycystidinae - Evdonin, 1977
                                                                                                           Genus # Brunetorhynchus - Schockaert et al., 2014
                                                                                                           Genus # Lagenopolycystis - Artois and Schockaert, 2000
                                                                                                           Genus # Limipolycystis - Schilke, 1970
                                                                                                           Genus # Myobulla - Artois and Schockaert, 2000
                                                                                                           Genus # Papia - Karling, 1956
                                                                                                           Genus # Sabulirhynchus - Artois and Schockaert, 2000
                                                                                                           Genus # Stradorhynchus - Willems, Schockaert and Artois, 2006
                                                                                                           Genus # Typhlopolycystis - Karling, 1956
                                                                                   Family # Psammorhynchidae - Karling, 1956
                                                                                                           Genus # Psammorhynchus - Meixner, 1938
                                                                                   Family # Rhynchokarlingiidae - Timoshkin, 2004
                                                                                                           Genus # Cohenella - Timoshkin, 2004
                                                                                                           Genus # Coulterella - Timoshkin, 2004
                                                                                                           Genus # Diplosiphon - Evdonin, 1977
                                                                                                           Genus # Kawanabella - Timoshkin, 2004
                                                                                                           Genus # Linella - Timoshkin, 2004
                                                                                                           Genus # Mariareuterella - Timoshkin and Grygier, 2005
                                                                                                           Genus # Mityuscha - Timoshkin, 2004
                                                                                                           Genus # Obolkinaella - Timoshkin, 2004
                                                                                                           Genus # Rhynchokarlingia - Timoshkin and Mamkaev, 2004
                                                                                                           Genus # Riedelella - Timoshkin, 2004
                                                                                                           Genus # Sitnikovaella - Timoshkin, 2004
                                                                                                           Genus # Wadaella - Timoshkin, 2004
                                                                                   Family # Schizorhynchidae - Graff, 1905
                                                                                                           Genus # Amphirhynchus - Schilke, 1970
                                                                                                           Genus # Carcharodorhynchus - Meixner, 1938
                                                                                                           Genus # Carolinorhynchus - Noldt, 1987
                                                                                                           Genus # Coagulescorhynchus - Noldt and Hoxhold, 1984
                                                                                                           Genus # Limirhynchus - Schilke, 1970
                                                                                                           Genus # Neoschizorhynchus - Schilke, 1970
                                                                                                           Genus # Paraschizorhynchoides - Schilke, 1970
                                                                                                           Genus # Parathylacorhynchus - Dean, 1980
                                                                                                           Genus # Proschizorhynchella - Schilke, 1970
                                                                                                           Genus # Proschizorhynchoides - Noldt, 1989
                                                                                                           Genus # Proschizorhynchus - Meixner, 1928
                                                                                                           Genus # Pseudoschizorhynchoides - Schilke, 1970
                                                                                                           Genus # Schizochilus - Boaden, 1963
                                                                                                           Genus # Schizorhynchoides - Meixner, 1928
                                                                                                           Genus # Schizorhynchus - Hallez, 1894
                                                                                                           Genus # Serratorhynchus - Noldt, 1988
                                                                                                           Genus # Thylacorhynchus - de Beauchamp, 1927
                                                                                                           Genus # Trapichorhynchus - Marcus, 1949
                                                                                                           Genus # Typhlorhynchus - Laidlaw, 1902
                             Superclass # Gnosonesimora -  
                                                           Order # Gnosonesimida -  
                                                                                   Family # Gnosonesimidae - Reisinger, 1926
                                                                                                           Genus # Gnosonesima - Reisinger, 1926
                 Phylum # Rhombozoa - van Beneden, 1876
                                                           Order # Dicyemida - Köllicker, 1882
                                                                                   Family # Dicyemidae - van Beneden, 1882
                                                                                                           Genus # Dicyema - von Kölliker, 1849
                                                                                                           Genus # Dicyemennea - Whitman, 1883
                                                                                                           Genus # Dicyemodeca - Wheeler, 1897
                                                                                                           Genus # Dodecadicyema - Kalavati and Narasimhamurti, 1980
                                                                                                           Genus # Pleodicyema - Nouvel, 1961
                                                                                                           Genus # Pseudicyema - Nouvel, 1933
                                                                                   Family # Katharellidae - Czaker, 1994
                                                                                                           Genus # Kantharella - Czaker, 1994
                                                           Order # Heterocyemida -  
                                                                                   Family # Conocyemidae - Stunkard, 1937
                                                                                                           Genus # Conocyema - van Beneden, 1882
                                                                                                           Genus # Microcyema - van Beneden, 1882
                 Phylum # Rotifera - Cuvier, 1817
                                   Class # Eurotatoria - De Ridder, 1957
                                         Subclass # Bdelloidea - Hudson, 1884
                                                                                   Family # Adinetidae - Hudson and Gosse, 1889
                                                                                                           Genus # Adineta - Hudson and Gosse, 1886
                                                                                                           Genus # Bradyscela - Bryce, 1910
                                                                                   Family # Habrotrochidae - Bryce, 1910
                                                                                                           Genus # Habrotrocha - Bryce, 1910
                                                                                                           Genus # Otostephanos - Milne, 1916
                                                                                                           Genus # Scepanotrocha - Bryce, 1910
                                                                                   Family # Philodinavidae - Harring, 1913
                                                                                                           Genus # Abrochtha - Bryce, 1910
                                                                                                           Genus # Henoceros - Milne, 1916
                                                                                                           Genus # Philodinavus - Harring, 1913
                                                                                   Family # Philodinidae - Ehrenberg, 1838
                                                                                                           Genus # Anomopus - Piovanelli, 1903
                                                                                                           Genus # Ceratotrocha - Bryce, 1910
                                                                                                           Genus # Didymodactylos - Milne, 1916
                                                                                                           Genus # Dissotrocha - Bryce, 1910
                                                                                                           Genus # Embata - Bryce, 1910
                                                                                                           Genus # Macrotrachela - Milne, 1886
                                                                                                           Genus # Mniobia - Bryce, 1910
                                                                                                           Genus # Philodina - Ehrenberg, 1830
                                                                                                           Genus # Pleuretra - Bryce, 1910
                                                                                                           Genus # Rotaria - Scopoli, 1777
                                                                                                           Genus # Zelinkiella - Harring, 1913
                                         Subclass # Monogononta - Plate, 1889
                                                     Superorder # Gnesiotrocha - Kutikova, 1970
                                                           Order # Collothecaceae - Harring, 1913
                                                                                   Family # Atrochidae - Harring, 1913
                                                                                                           Genus # Acyclus - Leidy, 1882
                                                                                                           Genus # Atrochus - Wierzejski, 1893
                                                                                                           Genus # Cupelopagis - Forbes, 1882
                                                                                   Family # Collothecidae - Harring, 1913
                                                                                                           Genus # Collotheca - Harring, 1913
                                                                                                           Genus # Stephanoceros - Ehrenberg, 1832
                                                           Order # Flosculariaceae - Harring, 1913
                                                                                   Family # Conochilidae - Harring, 1913
                                                                                                           Genus # Conochiloides - Hlava, 1904
                                                                                                           Genus # Conochilopsis - Segers and Wallace, 2000
                                                                                                           Genus # Conochilus - Ehrenberg, 1834
                                                                                   Family # Filiniidae - Harring and Myers, 1926
                                                                                                           Genus # Filinia - Bory de St. Vincent, 1824
                                                                                                           Genus # Tetramastix - Zacharias, 1898
                                                                                   Family # Flosculariidae - Ehrenberg, 1838
                                                                                                           Genus # Beauchampia - Harring, 1913
                                                                                                           Genus # Floscularia - Cuvier, 1798
                                                                                                           Genus # Lacinularia - Schweigger, 1820
                                                                                                           Genus # Limnias - Schrank, 1803
                                                                                                           Genus # Octotrocha - Thorpe, 1893
                                                                                                           Genus # Ptygura - Ehrenberg, 1832
                                                                                                           Genus # Sinantherina - Bory de St. Vincent, 1826
                                                                                   Family # Hexarthridae - Bartos, 1959
                                                                                                           Genus # Hexarthra - Schmarda, 1854
                                                                                   Family # Testudinellidae - Harring, 1913
                                                                                                           Genus # Anchitestudinella - Berzins, 1973
                                                                                                           Genus # Pompholyx - Gosse, 1851
                                                                                                           Genus # Testudinella - Bory de St. Vincent, 1826
                                                                                   Family # Trochosphaeridae - Harring, 1913
                                                                                                           Genus # Horaella - Donner, 1949
                                                                                                           Genus # Trochosphaera - Semper, 1872
                                                     Superorder # Pseudotrocha - Kutikova, 1970
                                                           Order # Ploima - Hudson and Gosse, 1886
                                                                                   Family # Asplanchnidae - Eckstein, 1883
                                                                                                           Genus # Asplanchna - Gosse, 1850
                                                                                                           Genus # Asplanchnopus - Guerne, 1888
                                                                                                           Genus # Harringia - De Beauchamp, 1912
                                                                                   Family # Birgeidae - Harring and Myers, 1924
                                                                                                           Genus # Birgea - Harring and Myers, 1922
                                                                                   Family # Brachionidae - Ehrenberg, 1838
                                                                                                           Genus # Anuraeopsis - Lauterborn, 1900
                                                                                                           Genus # Brachionus - Pallas, 1766
                                                                                                           Genus # Kellicottia - Ahlstrom, 1938
                                                                                                           Genus # Keratella - Bory de St. Vincent, 1822
                                                                                                           Genus # Notholca - Gosse, 1886
                                                                                                           Genus # Plationus - Segers, Murugan and Dumont, 1993
                                                                                                           Genus # Platyias - Harring, 1913
                                                                                   Family # Clariaidae - Kutikova, Markevich and Spiridonov, 1990
                                                                                                           Genus # Claria - Kutikova, Markevich and Spiridonov, 1990
                                                                                   Family # Dicranophoridae - Harring, 1913
                                                                                                           Genus # Albertia - Dujardin, 1838
                                                                                                           Genus # Aspelta - Harring and Myers, 1928
                                                                                                           Genus # Balatro - Claparède, 1867
                                                                                                           Genus # Dicranophoroides - De Smet, 1997
                                                                                                           Genus # Dicranophorus - Nitzsch, 1827
                                                                                                           Genus # Donneria - De Smet, 2003
                                                                                                           Genus # Dorria - Myers, 1933
                                                                                                           Genus # Encentrum - Ehrenberg, 1838
                                                                                                           Genus # Erignatha - Harring and Myers, 1928
                                                                                                           Genus # Glaciera - Jersabek, 1999
                                                                                                           Genus # Inflatana - Kutikova, 1985
                                                                                                           Genus # Kostea - De Smet, 1997
                                                                                                           Genus # Myersinella - Wiszniewski, 1936
                                                                                                           Genus # Paradicranophorus - Wiszniewski, 1929
                                                                                                           Genus # Parencentrum - Wiszniewski, 1936
                                                                                                           Genus # Pedipartia - Myers, 1937
                                                                                                           Genus # Streptognatha - Harring and Myers, 1928
                                                                                                           Genus # Wierzejskiella - Wiszniewski, 1934
                                                                                                           Genus # Wigrella - Wiszniewski, 1932
                                                                                   Family # Epiphanidae - Harring, 1913
                                                                                                           Genus # Cyrtonia - Rousselet, 1894
                                                                                                           Genus # Epiphanes - Ehrenberg, 1832
                                                                                                           Genus # Mikrocodides - Bergendal, 1892
                                                                                                           Genus # Proalides - De Beauchamp, 1907
                                                                                                           Genus # Rhinoglena - Ehrenberg, 1853
                                                                                   Family # Euchlanidae - Ehrenberg, 1838
                                                                                                           Genus # Beauchampiella - Remane, 1929
                                                                                                           Genus # Dipleuchlanis - De Beauchamp, 1910
                                                                                                           Genus # Diplois - Gosse, 1886
                                                                                                           Genus # Euchlanis - Ehrenberg, 1832
                                                                                                           Genus # Tripleuchlanis - Myers, 1930
                                                                                   Family # Gastropodidae - Harring, 1913
                                                                                                           Genus # Ascomorpha - Perty, 1850
                                                                                                           Genus # Gastropus - Imhof, 1888
                                                                                   Family # Ituridae - Sudzuki, 1964
                                                                                                           Genus # Itura - Harring and Myers, 1928
                                                                                   Family # Lecanidae - Remane, 1933
                                                                                                           Genus # Lecane - Nitzsch, 1827
                                                                                                           Genus # Monostyla - Ehrenberg, 1930
                                                                                   Family # Lepadellidae - Harring, 1913
                                                                                                           Genus # Colurella - Bory de St. Vincent, 1824
                                                                                                           Genus # Lepadella - Bory de St. Vincent, 1826
                                                                                                           Genus # Paracolurella - Myers, 1936
                                                                                                           Genus # Squatinella - Bory de St. Vincent, 1826
                                                                                   Family # Lindiidae - Harring and Myers, 1924
                                                                                                           Genus # Lindia - Dujardin, 1841
                                                                                   Family # Microcodidae - Hudson and Gosse, 1886
                                                                                                           Genus # Microcodon - Ehrenberg, 1830
                                                                                   Family # Mytilinidae - Harring, 1913
                                                                                                           Genus # Lophocharis - Ehrenberg, 1838
                                                                                                           Genus # Mytilina - Bory de St. Vincent, 1826
                                                                                   Family # Notommatidae - Hudson and Gosse, 1886
                                                                                                           Genus # Cephalodella - Bory de St. Vincent, 1826
                                                                                                           Genus # Dorystoma - Harring and Myers, 1922
                                                                                                           Genus # Drilophaga - Vejdovsky, 1883
                                                                                                           Genus # Enteroplea - Ehrenberg, 1830
                                                                                                           Genus # Eosphora - Ehrenberg, 1830
                                                                                                           Genus # Eothinia - Harring and Myers, 1922
                                                                                                           Genus # Monommata - Bartsch, 1870
                                                                                                           Genus # Notommata - Ehrenberg, 1830
                                                                                                           Genus # Pleurata - Nogrady and Pourriot, 1995
                                                                                                           Genus # Pleurotrocha - Ehrenberg, 1830
                                                                                                           Genus # Pleurotrochopsis - Berzins, 1973
                                                                                                           Genus # Pourriotia - De Smet, 2003
                                                                                                           Genus # Pseudoharringia - Fadeew, 1925
                                                                                                           Genus # Resticula - Harring and Myers, 1924
                                                                                                           Genus # Rousseletia - Harring, 1913
                                                                                                           Genus # Sphyrias - Harring, 1913
                                                                                                           Genus # Taphrocampa - Gosse, 1851
                                                                                                           Genus # Tylotrocha - Harring and Myers, 1922
                                                                                   Family # Proalidae - Harring and Myers, 1924
                                                                                                           Genus # Bryceella - Remane, 1929
                                                                                                           Genus # Proales - Gosse, 1886
                                                                                                           Genus # Proalinopsis - Weber, 1918
                                                                                                           Genus # Wulfertia - Donner, 1943
                                                                                   Family # Scaridiidae - Manfredi, 1927
                                                                                                           Genus # Scaridium - Ehrenberg, 1830
                                                                                   Family # Synchaetidae - Hudson and Gosse, 1886
                                                                                                           Genus # Ploesoma - Herrick, 1885
                                                                                                           Genus # Polyarthra - Ehrenberg, 1834
                                                                                                           Genus # Pseudoploesoma - Myers, 1938
                                                                                                           Genus # Synchaeta - Ehrenberg, 1832
                                                                                   Family # Tetrasiphonidae - Harring and Myers, 1924
                                                                                                           Genus # Tetrasiphon - Ehrenberg, 1840
                                                                                   Family # Trichocercidae - Harring, 1913
                                                                                                           Genus # Ascomorphella - Wiszniewski, 1953
                                                                                                           Genus # Elosa - Lord, 1891
                                                                                                           Genus # Trichocerca - Lamarck, 1801
                                                                                   Family # Trichotriidae - Harring, 1913
                                                                                                           Genus # Macrochaetus - Perty, 1850
                                                                                                           Genus # Trichotria - Bory de St. Vincent, 1827
                                                                                                           Genus # Wolga - Skorikov, 1903
                                   Class # Pararotatoria - Sudzuki, 1964
                                                           Order # Seisonacea - Wesenberg-Lund, 1899
                                                                                   Family # Seisonidae - Wesenberg-Lund, 1899
                                                                                                           Genus # Seison - Grube, 1859
                 Phylum # Sipuncula -  
                                   Class # Phascolosomatidea - E. Cutler and Gibbs, 1985
                                                           Order # Aspidosiphoniformes - E. Cutler and Gibbs, 1985
                                                                                   Family # Aspidosiphonidae - Baird, 1868
                                                                                                           Genus # Aspidosiphon - Diesing, 1851
                                                                                                           Genus # Cloeosiphon - Grübe, 1868
                                                                                                           Genus # Lithacrosiphon - Shipley, 1902
                                                           Order # Phascolosomatiformes - E. Cutler and Gibbs, 1985
                                                                                   Family # Phascolosomatidae - Stephen and Edmonds, 1972
                                                                                                           Genus # Antillesoma - Stephen and Edmonds, 1972
                                                                                                           Genus # Apionsoma - Sluiter, 1902
                                                                                                           Genus # Phascolosoma - Leuckart, 1828
                                   Class # Sipunculidea - E. Cutler and Gibbs, 1985
                                                           Order # Golfingiiformes - E. Cutler and Gibbs, 1985
                                                                                   Family # Golfingiidae - Stephen and Edmonds, 1972
                                                                                                           Genus # Golfingia - Lankester, 1885
                                                                                                           Genus # Nephasoma - Pergament, 1940
                                                                                                           Genus # Thysanocardia - Fisher, 1950
                                                                                   Family # Phascoliidae - E. Cutler and Gibbs, 1985
                                                                                                           Genus # Onchnesoma - Koren and Danielssen, 1875
                                                                                                           Genus # Phascolion - Théel, 1875
                                                                                   Family # Themistidae - E. Cutler and Gibbs, 1985
                                                                                                           Genus # Themiste - Gray, 1828
                                                           Order # Sipunculiformes - E. Cutler and Gibbs, 1985
                                                                                   Family # Sipunculidae -  
                                                                                                           Genus # Phascolopsis - Fisher, 1950
                                                                                                           Genus # Siphonomecus - Fisher, 1947
                                                                                                           Genus # Siphonosoma - Spengel, 1912
                                                                                                           Genus # Sipunculus - Linnaeus, 1766
                                                                                                           Genus # Xenosiphon - Fisher, 1947