Gastropoda Cuvier, 1797
Acirsella de Boury, 1886
Aclididae G. O. Sars, 1878
Acrocoelum Cossmann, 1888
Acrocosmia Koken, 1897
Acrospira Batten, 1985
Adeorbidae Monterosato, 1884
Adeorbiidae
Aepystoma Woodring, 1957
Africoterebellum Eames, 1957
Afrocornulina Adegoke, 1977
Afrocypraea Schilder, 1932
Ageria Abbass, 1973
Alariopsis Gemmellaro, 1878
Alaskozygopleura Blodgett, 1992
Allocosmia Cossmann, 1897
Amauropsina
Amauropsona Finlay & Marwick, 1937
Amekichilus Eames, 1957
Ampezzoella Bandel, 1992
Ampezzoscala Bandel, 1992
Amplicolpus Warwick, 1971
Amplogladius Cossmann, 1889
Amplostoma Stoliczka, 1868
Ampullospiridae Cox, 1930
Ampulonatica
Anabathridae Keen, 1971
Andangularia Haas, 1953
Aneurychilus Cossmann, 1889
Anguillospira Cossmann, 1912
Angularia Wöhrmann & Koken, 1892
Annulariidae Henderson & Bartsch, 1920
Anteglossia
Antinodulus Cossmann, 1919
Apicaria Wenz, 1940
Apiocypraea Schilder, 1902
Aporrhaididae
Arabia Pallary, 1925
Araeodactylus Harris & Burrows, 1891
Archicypraea Schilder, 1926
Aristerostrophia Broili, 1907
Armenostoma Akopyan, 1976
Assimineidae H. & A. Adams, 1856
Ataxotrochus Wenz, 1938
Atlantidae Wiegmann & Ruthe, 1832
Atresius Gabb, 1868
Aulacodiscus Douvillé, 1921
Auriala Akopyan, 1976
Australolaxispira Wang, 1982
Austroaporrhais Zinsmeister & Griffin, 1995
Bactrospira Cossmann, 1912
Barleeidae
Barleeiidae Gray, 1857
Basilirata Youlou, 1978
Bathraspira Cossmann, 1906
Batillariidae Thiele, 1929
Bellerophina d'Orbigny, 1843
Bembridgia Fischer, 1885
Benoistea
Bifidoscala Cossmann, 1888
Bigotella Cossmann, 1914
Billiemia Gregorio, 1930
Bithyniidae Gray, 1857
Boggsia Olsson, 1929
Bohaispira Youlou, 1978
Bohaispiropsis Youlou, 1978
Bourgetia Terquem & Jourdy, 1869
Brachycerithium Bonarelli, 1921
Brachytrema Morris & Lycett, 1851
Bramertonia Harmer, 1923
Brevizygia Grundel, 1999
Brocchia Bronn, 1828
Brunonia Müller, 1898
Bursidae Thiele, 1925
Busyconidae
Byramia MacNeil, 1984
Cabestanna
Caecidae Gray, 1815
Callusaria Finlay, 1926
Calvadosiella Wenz, 1939
Calyptraeidae Blainville, 1824
Calyptroides Clark & Durham, 1946
Calyptropsis Tate, 1893
Campanilopa Iredale, 1917
Camposcala Bandel, 1992
Capulidae Fleming, 1822
Carinacca Marwick, 1924
Carinariidae Blainville, 1818
Carinomphalus Yu, 1974
Casimiria Cossmann, 1899
Cassianozyga Bandel, 1991
Cassidae Latreille, 1825
Cassiopella Kase, 1984
Catenoscala Dall, 1908
Caucasella Akopyan, 1969
Cavilabium Cossmann, 1888
Caviumbonia Youlou, 1978
Cenomanella Cossmann, 1918
Cerithideops Pilsbry & Harrison, 1933
Cerithiidae Fleming, 1822
Cerithina Holzapfel, 1888
Cerithiocyga
Cerithiomorpha Akopyan, 1976
Cerithiopsidae H. & A. Adams, 1854
Cerithopsina
Charadreum
Chedevillia Cossmann, 1906
Chilocyclus Bronn & Roemer, 1851
Chlathrus
Chondrocerithium Cossmann, 1906
Cimoliocentrum Cossmann, 1908
Cimolithium Cossmann, 1906
Circuloscala Boury, 1886
Cirsocerithium Cossmann, 1906
Cirsomphalus Cossmann, 1907
Cirsope Cossmann, 1888
Clava Fabricius, 1823
Climacina Gemmellaro, 1878
Cloughtonia Hudleston, 1892
Coalingodea
Coelochrysalis Kittl, 1894
Coelodiscus Brösamlen, 1909
Columbellaria Rolle, 1861
Conchothyra Hutton, 1874
Coninoda Kollmann, 1979
Coniscala Boury, 1887
Contemniscala Boury, 1909
Contortella Pchelintsev, 1965
Coronatica Blanckenhorn, 1927
Cowlitzia Clark & Palmer, 1923
Crassiscala Boury, 1887
Crenetocerithium
Crossotrema Cleevely, 1980
Cryptoptyxis Cossmann, 1906
Cubestana
Cupaniella Gemmellaro, 1911
Cuphosolenus Piette, 1876
Cuphotifer Piette, 1876
Cyclomolops Gabb, 1868
Cymenorhytis Cossmann, 1925
Cymenorytis Cossmann, 1888
Cypraeidae Rafinesque, 1815
Cypraeogemmula Vredenburg, 1920
Cyproglobina Gregorio, 1880
Cypropterina Gregorio, 1880
Cyrtulotibia Eames, 1957
Dalliella Cossmann, 1895
Dallitesta Mansfield, 1930
Dasyostoma Stewart, 1927
Dembabaspira Massa, Termier & Termier, 1974
Derstolida Iredale, 1935
Deshayesia [Requien] extremo, 1848
Devonozyga
Diaerecallus Woodring, 1957
Dialytostoma Cossmann, 1888
Diastomella
Diatrypesis Tomlin, 1929
Diempterus Piette, 1876
Diplocyma Pilsbry & Olsson, 1935
Diptychochilus Doncieux, 1908
Dircella Sohl, 1960
Dirocerithium Woodring, 1959
Disoketa Gardner, 1880
Dispotaea Say, 1824
Dissostoma Cossmann, 1888
Ditretus Piette, 1875
Doellocosmia Bonarelli, 1927
Douvilletoma Adegoke, 1977
Druidwilsonia Adegoke, 1977
Dumasella Cossmann, 1902
Eatoniellidae Ponder, 1965
Echinimathilda Sohl, 1960
Echinobathra Cossmann, 1906
Eichwaldiella Friedberg, 1933
Elachisinidae Ponder, 1985
Eligmoloxus Cossmann, 1885
Elliptovermetus Cossmann, 1922
Emblandidae Ponder, 1985
Endiataenia Cossmann, 1902
Endoptygma Gabb, 1877
Eoatlanta Cossmann, 1889
Eocerithium Bonarelli, 1927
Eocymatium Beu, 1988
Eomathilda Finlay & Marwick, 1937
Eoranella Sayn, 1932
Eotrivia Schilder, 1924
Eotympanotonus
Eovolva Schilder, 1932
Epetrium Harris & Burrows, 1891
Epigridae Ponder, 1985
Epitoniidae S. S. Berry, 1910
Eratotrivia Sacco, 1894
Erratopleura Grundel, 1998
Escoffieria Fontannes, 1880
Eucycloidea Hudleston, 1888
Eucypraedia Schilder, 1939
Eulimidae Philippi, 1853
Eurissolina Woodring, 1928
Euspirocrommium Sacco, 1890
Euthystylus Cossmann, 1895
Ewekorolaxis Adegoke, 1977
Exechocirsus Cossmann, 1906
Exlessia
Faloriella Bandel, 1992
Falsicingulidae Slavoshevskaya, 1975
Fasciolaridae
Faxxia
Ficidae Conrad, 1867
Flacilla Koken, 1896
Folina
Fossacypraea Schilder, 1939
Funis Seeley, 1861
Fuscoscala Monterosato, 1890
Fusoidella Kutassy, 1937
Futhystylus
Galeodaria Conrad, 1865
Galeodinopsis Sacco, 1895
Galericulum Brown, 1827
Galericulus Seeley, 1861
Gamizyga Hoare & Sturgeon, 1980
Garnotia Gray, 1857
Gigantogonia Cossmann, 1909
Girvania Longstaff, 1924
Glauconiella Akopyan, 1976
Globiomorpha
Globozygia
Glyptochrysalis Koken, 1896
Goniatogyra Cossmann, 1921
Goniocheila Gabb, 1868
Gonioconcha Bonarelli, 1921
Goniogyra Agassiz, 1845
Goniospira Cossmann, 1895
Gothicispira Maxwell, 1988
Gouetina Cossmann, 1915
Gradiella Kittl, 1899
Granulittorina
Gymnarus Gabb, 1868
Gymnocerithium Cossmann, 1906
Gyrotropis Gabb, 1877
Hahazimania Yabe & Hatai, 1939
Haliphaebus Fischer-Waldheim, 1880
Halloysia Briart & Cornet, 1878
Hallstadtia Cossmann, 1915
Haloceratidae Warén & Bouchet, 1991
Hanaibursa Kase, 1984
Harmeria Tomlin, 1931
Harpagodes Gill, 1870
Hartungia Bronn, 1860
Haydenia Gabb, 1864
Helicaulax Gabb, 1868
Heligmope Tate, 1893
Heligmostylus Cossmann, 1909
Hemichenopus Steinmann & Wilckens, 1908
Heterocerithiopsis Olsson, 1916
Heterogyrella Wenz, 1938
Heterospira Koken, 1896
Hexaglauconia Mennessier, 1984
Hilda Hörnes & Auinger, 1884
Hippochrene
Hipponicidae Troschel, 1861
Hirsonella Fischer, 1969
Hopkinsiana Olsson, 1929
Hordeulima Sacco, 1892
Horizostoma Deninger, 1905
Hudlestonella
Hwaania
Hydrobiidae Simpson, 1865
Hyphantozyga Knight, 1930
Hypsipleura Wöhrmann & Koken, 1892
Idioraphe
Ihungia Marwick, 1931
Iljinella Roshka, 1973
Indocerithium
Iravadiidae Thiele, 1928
Ispharina Vjalov & Solun, 1936
Itomelania
Janacus
Janthinidae Leach, 1823
Jetwoodsia Ludbrook, 1971
Johnstrupia Ravn, 1933
Jousseemea
Juliania Roman, 1910
Jurassiphorus Cossmann, 1915
Kahua Marwick, 1928
Kaitangata Finlay & Marwick, 1937
Kangilioptera Rosenkrantz, 1970
Kangxianospira Guo, 1982
Kapua Marwick, 1931
Katosira Wöhrmann & Koken, 1892
Kaunhowenia Abdel-Gawad, 1986
Kittlia Cossmann, 1909
Kittliconcha Bonarelli, 1927
Kittlistylus Haas, 1953
Kjerulfonema Peel & Yochelson, 1976
Lacunella Deshayes, 1861
Lacunina Kittl, 1891
Lacurnaria
Laevella Palmer, 1953
Laevibaculus Cossmann, 1906
Lagunitus Olsson, 1929
Lamellariidae Orbigny, 1841
Lamelliphorus Cossmann, 1915
Latiala Sohl, 1960
Laubierinidae Warén & Bouchet, 1990
Leaella Cossmann, 1921
Leiorhinus Gabb, 1860
Leptocolpus Finlay & Marwick, 1937
Levenia Gray, 1847
Leviathania Pcelinzev, 1927
Lewinskia Wieczorek, 1979
Liaohenia Youluo, 1978
Libycerithium Chacchia-Rispoli, 1937
Ligatella Martens, 1880
Liocium Gabb, 1868
Liracassis Moore, 1963
Lirocingula Ponder, 1985
Lispodesthes White, 1877
Litiopidae Gray, 1847
Littorinidae Gray, 1840
Littorinolacuna Cossmann, 1919
Littorinopsis Mörch, 1876
Littorniscala
Longicerithium Houbrick, 1978
Loxonematidae Koken, 1889
Luponovula Sacco, 1894
Lysiogyrus Youlou, 1978
Macilentos Clark & Palmer, 1923
Mambrinia
Manawatawhia Powell, 1937
Mandolina Jousseaume, 1884
Margaritella Meek & Hayden, 1860
Marticia Brusina, 1897
Mathurifusus
Maussenetia Cossmann, 1904
Medoriopsis Cossmann, 1888
Megalocypraea Schilder, 1927
Melanopsidae H. Adams & A. Adams, 1854
Mellevillia Cossmann, 1889
Menthafonia
Mesoglauconia Mennessier, 1984
Mesohalina Wittibschlager, 1983
Mesospira Cossmann, 1893
Mesovalvata Wei, 1984
Metalepis Jousseaume, 1884
Micreschara Cossmann, 1888
Microlacuna
Micromphalina Cossmann, 1888
Microschiza Gemmellaro, 1878
Microtaphrus Cossmann, 1888
Miolyncina Schilder, 1932
Miopila Finlay, 1927
Mirlolaminatus
Modulidae P. Fischer, 1884
Moerckeia Diener, 1926
Moerkeia Böhm, 1895
Monalaria Marwick, 1924
Monocirsus Cossmann, 1889
Monocuphus Piette, 1876
Morania Horný, 1953
Morgania Cossmann, 1906
Mourlonopsis Fletcher, 1958
Muconalia
Muricassis
Nairiella Akopyan, 1969
Nanggulania
Nannopyrgula Youlou, 1978
Naricopsina Chelot, 1887
Natella Watson, 1934
Naticidae Guilding, 1834
Natitaria
Neozeba
Nerinatica Olsson, 1930
Nerineopsis Cossmann, 1906
Nerinoides Wenz, 1940
Nigerithium Adegoke, 1977
Nisaclis Nordsieck, 1972
Nudivagus Wade, 1917
Nystiellidae Clench & Turner, 1952
Obex Iredale, 1925
Obtortionidae Thiele, 1925
Ochetochilus Cossmann, 1900
Ogivia Harris & Burrows, 1891
Olequahia Stewart, 1927
Oonia Gemmellaro, 1878
Ornamentaria
Orthostomia Kittl, 1899
Otatara Ponder, 1965
Ottoino
Ovulidae Fleming, 1822
Oxycypraea Schilder, 1927
Pachyrissoina Böttger, 1893
Palaeonisco
Palaeozygopleura Horný, 1954
Palliocypraea Cossmann, 1906
Paracerithium Cossmann, 1902
Paraglauconia Steinmann, 1929
Parangularia Kutassy, 1934
Parazebinella Böttger, 1893
Pasitheola Cossmann, 1896
Payradeautia
Pelycidiidae Ponder & Hall, 1983
Pericarinata Pan, 1982
Perissitys Stewart, 1927
Perissolax Gabb, 1861
Personidae Gray, 1854
Perucerithium Olsson, 1929
Perustrombus Olsson, 1944
Petersia Gemmellaro, 1869
Peyrotia Cossmann, 1912
Phyllocheilus Gabb, 1868
Pickworthiidae Iredale, 1917
Pictavia Cossmann, 1925
Pirena Lamarck, 1822
Pisanianuridae Warén & Bouchet, 1990
Planaxidae Gray, 1850
Platyoptera Conrad, 1855
Pleuroceridae
Pomatiidae Newton, 1891
Pommerozygia Grundel, 1998
Ponocyclus Pilsbry, 1953
Popenella Bandel, 1992
Postalia Oppenheim, 1896
Potamididae H. & A. Adams, 1854
Prestrombus Douvillé, 1929
Priscoficus Conrad, 1866
Pristinacca Finlay & Marwick, 1937
Proacirsa Cossmann, 1912
Procampanile Akopyan, 1976
Proficus Finlay & Marwick, 1937
Profundialvania Taviani, 1975
Propemurchisonia Gregorio, 1930
Proscala Cossmann, 1912
Prosthenodon Cossmann, 1888
Prostyliferidae
Protoatlanta
Protoculidae
Protocypraea Schilder, 1927
Protocypraedia Schilder, 1927
Protodolium Wilckens, 1922
Protofusus Bonarelli, 1921
Protonema Cooke, 1928
Protopirula Rennie, 1930
Protostylifera
Protuba Cossmann, 1912
Proturboella Conti & Fischer, 1984
Provermicularia Kittl, 1899
Pseudalaria Hudleston, 1889
Pseudobrochidium Grupe, 1907
Pseudochrysalis Kittl, 1894
Pseudocirsope Böttger, 1907
Pseudocymia Popenoe & Saul, 1987
Pseudodiartema Gillet, 1921
Pseudogaleodea Nagao, 1932
Pseudoglauconia Douvillé, 1921
Pseudolacuna Böttger, 1878
Pseudomelaniidae Fischer, 1885
Pseudomesalia Douvillé, 1916
Pseudomurchisonia Koken, 1896
Pseudoplocezyga Likharev, 1975
Pseudotaphrus Cossmann, 1888
Pseudotritonium Wenz, 1940
Pseudotruncatella Andreae, 1904
Pseudotylostoma Jhering, 1903
Ptereulima Casey, 1902
Pterodonta Pictet & Roux, 1849
Pterodonticeras Blanckenhorn, 1927
Pterolabrella Maxwell, 1969
Pterotracheidae Gray, 1840
Punctospira Akopyan, 1976
Punjabia Eames, 1951
Purpurinidae Zittel, 1895
Pustulifer Cossmann, 1895
Pyktes Popenoe, 1983
Pyrazella
Pyrazisinus Heilprin, 1887
Pyrgulidae Brusina, 1881
Raha Marwick, 1953
Ramina Wenz, 1938
Ranellidae Gray, 1854
Rastodentidae Ponder, 1966
Redocla d'Aversa, 1983
Reymentella Adegoke, 1977
Rhabdocolpus Cossmann, 1906
Rhabdoconcha
Rhinoclavus
Rhombostoma Seguenza, 1876
Rigauxia Cossmann, 1885
Rissocerithium Conti & Fischer, 1981
Rissoidae Gray, 1847
Rostrocerithium Cossmann, 1906
Rothpeltzia
Rugatiscala Boury, 1913
Rynchocerithium Cossmann, 1906
Scalidae Adams & Adams, 1853
Scalituba Cossmann, 1918
Sculpturea Pchelintsev, 1968
Seguenziella Marshall, 1983
Semicypraea Schilder, 1936
Semistylifer Cossmann, 1921
Semiterebellum Cossmann, 1889
Sentularia
Settsassia Bandel, 1992
Sigaretopsis Cossmann, 1888
Siliquariidae Anton, 1839
Sinorificium Guo, 1982
Siphonophyla Kittl, 1894
Skeneopsidae Iredale, 1915
Socotora Pallary, 1925
Sohlella Popenoe, Saul & Susuki, 1987
Sohlitella
Spelaenacca Finlay, 1926
Spirgvaleia
Spirochrysalis Kittl, 1894
Spirocrypta Gabb, 1864
Spirogalerus Finlay & Marwick, 1937
Spironema Meek, 1864
Stelzneria Geinitz, 1874
Stephanocosmia Cossmann, 1895
Stereokion Gruber, 1933
Striatesta
Striatiscala Boury, 1909
Striocarinata
Strombidae Rafinesque, 1815
Stromboconus Gregorio, 1896
Strombolaria Gregorio, 1880
Strombopugnellus Koch, 1911
Struthiolariidae Fischer, 1887
Styloplocus Cossmann, 1922
Subclimax Pilsbry & Olsson, 1950
Subditotectarius
Subuliscala Boury, 1909
Subulitidae Lindström, 1884
Sulcogladius Sacco, 1893
Sulcosubularia Sacco, 1892
Synceratidae
Taramellia Seguenza, 1903
Teilostoma
Teliochilus Cossmann, 1906
Telleria Kittl, 1894
Tembrockia Grundel, 1980
Teneposita Loch, 1989
Tephlon Popenoe, 1983
Terebellopsis Leymerie, 1846
Terebraliopsis Cossmann, 1906
Teretrina Cossmann, 1912
Tessarolax Gabb, 1864
Tetraptyxis Pchelintsev, 1968
Thalassocynidae
Thereitis Le Renard, 1998
Thersitea Coquand, 1862
Thiaridae Gill, 1871
Thierachella
Tianjinospira Youlou, 1978
Tiaracerithium Sacco, 1895
Tiarellacerithium Charpiat, 1919
Tibiaporrhais Elder, 1990
Tintorium Sohl, 1960
Tomyris Michailovskii, 1912
Tonnidae Peile, 1926
Torculoidella Sacco, 1895
Torgnellus Olsson, 1944
Tornidae Sacco, 1896
Torquesiella Pchelintzev, 1969
Touzinia Cossmann, 1915
Toxoconcha Kittl, 1899
Trachoecus Kittl, 1894
Trajanellidae Pchelintsev, 1953
Transovula Gregorio, 1880
Tretospira Wöhrmann & Koken, 1892
Trianglospira
Triaracerithium
Tridactylus Gardner, 1875
Triforidae Jousseaume, 1884
Triphoridae Gray, 1847
Triviidae Trochel, 1863
Trobus Stephenson, 1955
Trochoturbella Cossmann, 1921
Trophosycon Cooper, 1894
Truncatellidae Gray, 1840
Trypanostylus Cossmann, 1895
Tubena Marwick, 1943
Tulochilus Finlay & Marwick, 1937
Tumidiacirsa de Boury, 1911
Turbinea Pchelintsev, 1968
Turbinopsis Pcelincev, 1963
Turriculina Gregorio, 1930
Turriola Titova, 1994
Turritellidae Clarke, 1851
Tylocassis Woodring, 1928
Tylochilus Cossmann, 1889
Tyrsoecus
Uchauxia Cossmann, 1906
Undiscala Boury, 1909
Unicarinata Pan, 1982
Urgonella Cossmann, 1916
Vaderos Clark & Palmer, 1923
Vanikoridae Gray, 1845
Veatchia Maury, 1912
Velutinidae Gray, 1840
Vermetidae Rafinesque, 1815
Vernedia Mazeran, 1912
Veterator Laws, 1944
Vicetia Fabiani, 1905
Vicinocerithium Wood, 1910
Virgella Gregorio, 1930
Vitrinellidae Bush, 1897
Vitrinellops Pilsbry & Olsson, 1952
Vouastia Raspail, 1909
Waluia Ladd, 1934
Wateletia Cossmann, 1889
Wendella Adegoke, 1977
Wexfordia Harmer, 1921
Xenophoridae Philippi, 1853
Xizangospira Wang, 1975
Xuwenospira Wang, 1982
Xystrella Cossmann, 1906
Zardinistylus Bandel, 1991
Zenbinostoma
Zerotulidae Warén & Hain, 1996
Zinolia Issel, 1922
Zittelia Gemmellaro, 1869
Zonarina Sacco, 1894
Zygopleura Wöhrmann & Koken, 1892