Between brackets is the number of accepted species

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- Mollusca (133 295)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 081)
- Class Caudofoveata (143)
- Class Cephalopoda (1 917)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (103 040)
- Subclass Amphigastropoda † (434)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 850)
- Subclass Gastropoda incertae sedis (313)
- Subclass Heterobranchia (39 224)
- Infraclass "Lower Heterobranchia" (1 140)
- Infraclass Euthyneura (37 497)
- Subterclass Acteonimorpha (413)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 167)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 623)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (579)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 820)
- Suborder Achatinina (2 912)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 668)
- Infraorder Arionoidei (140)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 210)
- Superfamily Coelociontoidea Iredale, 1937 (5)
- Superfamily Discoidea Thiele, 1931 (159)
- Superfamily Papillodermatoidea Wiktor, R. Martin & Castillejo, 1990 (1)
- Superfamily Plectopyloidea Möllendorff, 1898 (144)
- Superfamily Punctoidea E. S. Morse, 1864 (1 630)
- Family Charopidae F. W. Hutton, 1884 (1 118)
- Family Cystopeltidae T. D. A. Cockerell, 1891 (34)
- Family Dipnelicidae Iredale, 1937 accepted as Charopidae F. W. Hutton, 1884
- Family Endodontidae Pilsbry, 1895 (225)
- Genus Aaadonta Solem, 1976 (6)
- Genus Anceyodonta Solem, 1976 (14)
- Genus Australdonta Solem, 1976 (21)
- Genus Beilania Preston, 1913 (2)
- Genus Biplicatum S. Ouyang, W. Gan, X. P. Wu & X. F. Xu, 2010 (1)
- Genus Cookeconcha Solem, 1976 (19)
- Genus Endodonta Albers, 1850 (12)
- Subgenus Endodonta (Afrodonta) Melvill & Ponsonby, 1908 accepted as Afrodonta Melvill & Ponsonby, 1908
- Subgenus Endodonta (Charopa) E. von Martens, 1860 accepted as Charopa E. von Martens, 1860
- Species Endodonta (Charopa) alloia W. H. Webster, 1904 accepted as Allodiscus urquharti Suter, 1894
- Species Endodonta (Charopa) benhami Suter, 1909 accepted as Loisthodon benhami (Suter, 1909)
- Species Endodonta (Charopa) biconcava (Reeve, 1852) accepted as Cavellia biconcava (Reeve, 1852)
- Species Endodonta (Charopa) chrysaugeia W. H. Webster, 1904 accepted as Paracharopa chrysaugeia (W. H. Webster, 1904)
- Species Endodonta (Charopa) coma (J. E. Gray, 1843) accepted as Charopa coma (J. E. Gray, 1843)
- Variety Endodonta (Charopa) coma var. multicostata Murdoch, 1897 accepted as Charopa coma (J. E. Gray, 1843)
- Species Endodonta (Charopa) gaza Suter, 1909 accepted as Egestula gaza (Suter, 1909)
- Species Endodonta (Charopa) intermedia Odhner, 1917 accepted as Sinployea intermedia (Odhner, 1917)
- Species Endodonta (Charopa) involuta Odhner, 1922 accepted as Charopa involuta (Odhner, 1922)
- Species Endodonta (Charopa) kenepuruensis Suter, 1909 accepted as Climocella kenepuruensis (Suter, 1909)
- Species Endodonta (Charopa) longstaffi Suter, 1913 accepted as Charopa longstaffae (Suter, 1913)
- Species Endodonta (Charopa) masafuerae Odhner, 1922 accepted as Charopa masafuerae (Odhner, 1922)
- Species Endodonta (Charopa) ochra W. H. Webster, 1904 accepted as Chaureopa titirangiensis (Suter, 1896)
- Species Endodonta (Charopa) otagoensis Suter, 1899 accepted as Cavellia sterkiana (Suter, 1891)
- Species Endodonta (Charopa) planorbulina Tate, 1896 accepted as Discocharopa aperta (Möllendorff, 1888)
- Species Endodonta (Charopa) prestoni Sykes, 1895 accepted as Climocella prestoni (Sykes, 1895)
- Species Endodonta (Charopa) roseveari Suter, 1896 accepted as Cavellia roseveari (Suter, 1896)
- Species Endodonta (Charopa) solomonensis W. F. Clapp, 1923 accepted as Sinployea solomonensis (W. F. Clapp, 1923)
- Species Endodonta (Charopa) subinfecta Suter, 1899 accepted as Cavellia subinfecta (Suter, 1899)
- Species Endodonta (Charopa) titirangiensis Suter, 1896 accepted as Chaureopa titirangiensis (Suter, 1896)
- Species Endodonta (Charopa) transenna Suter, 1904 accepted as Pseudegestula transenna (Suter, 1904)
- Species Endodonta (Charopa) tumida Odhner, 1917 accepted as Corinomala tumida (Odhner, 1917)
- Species Endodonta (Charopa) vortex Murdoch, 1897 accepted as Geminoropa vortex (Murdoch, 1897)
- Subgenus Endodonta (Diglyptus) Pilsbry, 1893 accepted as Pitys Mörch, 1852
- Subgenus Endodonta (Flammulina) E. von Martens, 1873 accepted as Flammulina E. von Martens, 1873
- Subgenus Endodonta (Helenoconcha) Pilsbry, 1892 accepted as Helenoconcha Pilsbry, 1892
- Subgenus Endodonta (Nesophila) Pilsbry, 1893 accepted as Nesophila Pilsbry, 1893
- Subgenus Endodonta (Paratrochus) Pilsbry, 1893 accepted as Paratrochus Pilsbry, 1893
- Subgenus Endodonta (Phenacharopa) Pilsbry, 1893 accepted as Phenacharopa Pilsbry, 1893
- Subgenus Endodonta (Philalanka) Godwin-Austen, 1898 accepted as Philalanka Godwin-Austen, 1898
- Subgenus Endodonta (Pterodiscus) Pilsbry, 1893 accepted as Tropidoptera Ancey, 1889
- Subgenus Endodonta (Ptychodon) Ancey, 1888 accepted as Ptychodon Ancey, 1888
- Subgenus Endodonta (Thaumatodon) Pilsbry, 1893 accepted as Thaumatodon Pilsbry, 1893
- Species Endodonta aculeata Hedley, 1899 accepted as Coenocharopa aculeata (Hedley, 1899)
- Species Endodonta acutecarinata Thiele, 1928 accepted as Torresiropa acutecarinata (Thiele, 1928)
- Species Endodonta acuticarinata [sic] accepted as Torresiropa acutecarinata (Thiele, 1928)
- Species Endodonta amoena Thiele, 1927 accepted as Radiodiscus amoenus (Thiele, 1927)
- Species Endodonta apiculata Ancey, 1899
- Species Endodonta austera Hedley, 1912 accepted as Gyrocochlea austera (Hedley, 1912)
- Species Endodonta benhami Suter, 1909 accepted as Loisthodon benhami (Suter, 1909)
- Species Endodonta biconcava (Reeve, 1852) accepted as Cavellia biconcava (Reeve, 1852)
- Species Endodonta binaria (L. Pfeiffer, 1856)
- Species Endodonta celebica P. Sarasin & F. Sarasin, 1899 accepted as Beilania philippinensis (C. Semper, 1874)
- Species Endodonta christenseni Slapcinsky, Yeung & Hayes, 2020
- Species Endodonta chrysaugeia W. H. Webster, 1904 accepted as Paracharopa chrysaugeia (W. H. Webster, 1904)
- Species Endodonta cinnamea Hedley, 1912 accepted as Gyrocochlea cinnamea (Hedley, 1912)
- Species Endodonta clara Thiele, 1927 accepted as Lilloiconcha clara (Thiele, 1927)
- Species Endodonta coma (J. E. Gray, 1843) accepted as Charopa coma (J. E. Gray, 1843)
- Species Endodonta concentrata Pilsbry & Vanatta, 1906
- Species Endodonta concinna Hedley, 1901 accepted as Discocharopa aperta (Möllendorff, 1888)
- Species Endodonta constricta C. Semper, 1874 accepted as Aaadonta constricta (C. Semper, 1874)
- Species Endodonta cretacea Garrett, 1884 accepted as Nesodiscus cretaceus (Garrett, 1884)
- Species Endodonta deliciosa Thiele, 1927 accepted as Zilchogyra deliciosa (Thiele, 1927)
- Species Endodonta discoidea Thiele, 1927 accepted as Rotadiscus amancaezensis (Hidalgo, 1869)
- Species Endodonta ekahanuiensis Solem, 1976
- Species Endodonta fabrefacta (Pease, 1865) accepted as Nesodiscus fabrefactus (Pease, 1865)
- Species Endodonta fricki (L. Pfeiffer, 1858)
- Species Endodonta frickii [sic] accepted as Endodonta fricki (L. Pfeiffer, 1858)
- Species Endodonta garretti Ancey, 1889 accepted as Nesodiscus taneae (Garrett, 1872)
- Species Endodonta goeldii Thiele, 1927 accepted as Radiodiscus goeldii (Thiele, 1927)
- Species Endodonta gordurasensis Thiele, 1927 accepted as Lilloiconcha gordurasensis (Thiele, 1927)
- Species Endodonta graeffei Mousson, 1869 accepted as Graeffedon graeffei (Mousson, 1869)
- Species Endodonta helleri Dall, 1900 accepted as Nesostrobilops helleri (Dall, 1900)
- Species Endodonta heptaptychia Quadras & Möllendorff, 1894 accepted as Semperdon heptaptychius (Quadras & Möllendorff, 1894)
- Species Endodonta hookeri (Reeve, 1854) accepted as Notodiscus hookeri (Reeve, 1854)
- Species Endodonta hystricella (L. Pfeiffer, 1859) accepted as Cookeconcha hystricellus (L. Pfeiffer, 1859)
- Species Endodonta incerta Mousson auct. accepted as Mautodontha parvidens (Pease, 1861)
- Species Endodonta irregularis C. Semper, 1874 accepted as
- Species Endodonta iuloidea (Forbes, 1852) accepted as Whitcochlea iuloidea (Forbes, 1852)
- Species Endodonta janeirensis Thiele, 1927 accepted as Rotadiscus janeirensis (Thiele, 1927)
- Species Endodonta jheringi Thiele, 1927 accepted as Radiodiscus compactus (Suter, 1900)
- Species Endodonta kalaeloana Christensen, 1982
- Species Endodonta kamehameha Pilsbry & Vanatta, 1906
- Species Endodonta kempi Connolly, 1925
- Species Endodonta lacerata C. Semper, 1874 accepted as Liravidena lacerata (C. Semper, 1874)
- Species Endodonta lamellosa (A. Férussac, 1825)
- Species Endodonta laminata (Pease, 1866)
- Species Endodonta mariannarum Quadras & Möllendorff, 1894 accepted as Ladronellum mariannarum (Quadras & Möllendorff, 1894)
- Species Endodonta marina F. W. Hutton, 1883 accepted as Laoma marina (F. W. Hutton, 1883)
- Species Endodonta marsupialis Pilsbry & Vanatta, 1906
- Species Endodonta monoplax Suter, 1913 accepted as Alsolemia monoplax (Suter, 1913)
- Species Endodonta murrayana (L. Pfeiffer, 1864) accepted as Huntiana murrayana (L. Pfeiffer, 1864)
- Species Endodonta nerissa F. W. Hutton, 1883 accepted as Laoma nerissa (F. W. Hutton, 1883)
- Species Endodonta nivea Hedley, 1896 accepted as Kosciuszkoropa nivea (Hedley, 1896)
- Species Endodonta norfolkensis Hedley, 1899 accepted as Norfolcioconcha norfolkensis (Hedley, 1899)
- Species Endodonta philippinensis C. Semper, 1874 accepted as Beilania philippinensis (C. Semper, 1874)
- Species Endodonta recava Hedley, 1912 accepted as Biomphalopa recava (Hedley, 1912)
- Species Endodonta rugata (Pease, 1866)
- Species Endodonta subcavernula (Tryon, 1887) accepted as Libera subcavernula (Tryon, 1887)
- Species Endodonta superba Thiele, 1927 accepted as Lilloiconcha superba (Thiele, 1927)
- Species Endodonta tenuiscripta Ancey, 1896 accepted as Phrixgnathus tenuiscriptus (Ancey, 1896)
- Species Endodonta thaanumi Pilsbry & Vanatta, 1905 accepted as Cookeconcha thaanumi (Pilsbry & Vanatta, 1905)
- Species Endodonta thwingi Ancey, 1904 accepted as Cookeconcha thwingi (Ancey, 1904)
- Species Endodonta titirangiensis Suter, 1896 accepted as Chaureopa titirangiensis (Suter, 1896)
- Species Endodonta transenna Suter, 1904 accepted as Pseudegestula transenna (Suter, 1904)
- Species Endodonta tumida Odhner, 1917 accepted as Corinomala tumida (Odhner, 1917)
- Species Endodonta waterhousiae Hedley, 1897 accepted as Goweroconcha waterhousiae (Hedley, 1897)
- Genus Gambiodonta Solem, 1976 (6)
- Genus Garrettia Cossmann, 1900 accepted as Libera Garrett, 1881
- Genus Garrettina Thiele, 1931 accepted as Libera Garrett, 1881
- Genus Hebeispira Youluo, 1978 † (1)
- Genus Kleokyphus Solem, 1976 (3)
- Genus Kondoconcha Solem, 1976 (1)
- Genus Libera Garrett, 1881 (18)
- Genus Mautodontha Solem, 1976 (26)
- Genus Minidonta Solem, 1976 (29)
- Genus Nesodiscus Thiele, 1931 (9)
- Genus Nesophila Pilsbry, 1893 (4)
- Genus Opanara Solem, 1976 (9)
- Genus Orangia Solem, 1976 (3)
- Genus Planudonta Solem, 1976 (4)
- Genus Priceconcha Solem, 1973 (1)
- Genus Protoendodonta Solem, 1977 † (1)
- Genus Pseudolibera Solem, 1976 (9)
- Genus Rhysoconcha Solem, 1976 (2)
- Genus Rikitea Solem & C. M. Cooke, 1976 (2)
- Genus Ruatara Solem, 1976 (2)
- Genus Taipidon Solem, 1976 (10)
- Genus Thaumatodon Pilsbry, 1893 (9)
- Genus Zyzzyxdonta Solem, 1976 (1)
- Family Flammulinidae Crosse, 1895 accepted as Flammulininae Crosse, 1895
- Family Gonyodiscidae A. J. Wagner, 1928 accepted as Discidae Thiele, 1931 (1866)
- Family Hedleyoconchidae Iredale, 1942 accepted as Charopidae F. W. Hutton, 1884
- Family Helicodiscidae Pilsbry, 1927 (37)
- Family Laomidae Suter, 1913 accepted as Punctidae E. S. Morse, 1864
- Family Oopeltidae T. D. A. Cockerell, 1891 (11)
- Family Paralaomidae Iredale, 1941 accepted as Punctidae E. S. Morse, 1864
- Family Patulastridae Steenberg, 1925 accepted as Punctidae E. S. Morse, 1864
- Family Patulidae Tryon, 1866 accepted as Discidae Thiele, 1931 (1866)
- Family Phenacohelicidae Suter, 1892 accepted as Charopinae F. W. Hutton, 1884
- Family Pseudocharopidae Iredale, 1944 accepted as Charopidae F. W. Hutton, 1884
- Family Punctidae E. S. Morse, 1864 (203)
- Family Trachycystidae Schileyko, 1986 accepted as Trachycystinae Schileyko, 1986
- Genus Afrodontops Kadolsky, 2020 † (2)
- Superfamily Testacelloidea J. E. Gray, 1840 (20)
- Superfamily Urocoptoidea Pilsbry, 1898 (1868) (1 251)
- Infraorder Helicoidei (5 698)
- Infraorder Limacoidei (4 247)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 587)
- Infraorder Partuloinei accepted as Pupilloidei
- Infraorder Pupilloidei (3 466)
- Infraorder Rhytidoidei (580)
- Infraorder Sagdoinei accepted as Helicoidei
- Infraorder Succineoidei (384)
- Suborder Orthurethra accepted as Pupilloidei
- Suborder Scolodontina (165)
- Suborder Sigmurethra accepted as Helicina
- Suborder Stylommatophora incertae sedis (75)
- Order Systellommatophora (224)
- Superorder Hygrophila (2 008)
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 285)
- Superorder Sacoglossa (391)
- Superorder Siphonarimorpha (163)
- Order Anaspidea accepted as Aplysiida
- Order Aplysiida (101)
- Order Aplysiomorpha accepted as Aplysiida
- Order Archaeopulmonata accepted as Siphonarioidea Gray, 1827
- Order Bullomorpha accepted as Cephalaspidea
- Order Cephalaspidea (1 039)
- Order Heterostropha accepted as Pyramidellidae J. E. Gray, 1840
- Order Pteropoda (414)
- Order Runcinacea accepted as Runcinida
- Order Runcinida (80)
- Order Tectibranchiata
- Order Thecosomata
- Order Umbraculida (15)
- Superorder Euthyneura incertae sedis
- Infraclass Heterobranchia incertae sedis (478)
- Infraclass Mesoneura (109)
- Infraclass Opisthobranchia
- Infraclass Pulmonata
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 916)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (514)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 789)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 381)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (754)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata