Between brackets is the number of accepted species

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- Mollusca (132 791)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 009)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 697)
- Subclass Amphigastropoda † (390)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 636)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 918)
- Order Caenogastropoda incertae sedis (7 676)
- Order Littorinimorpha (17 179)
- Superfamily Calyptraeoidea Lamarck, 1809 (203)
- Superfamily Capuloidea J. Fleming, 1822 (218)
- Superfamily Cassoidea accepted as Tonnoidea Suter, 1913 (1825)
- Superfamily Cingulopsoidea Fretter & Patil, 1958 (193)
- Superfamily Crepiduloidea J. Fleming, 1822 accepted as Calyptraeoidea Lamarck, 1809
- Superfamily Cypraeoidea Rafinesque, 1815 (1 285)
- Superfamily Eulimoidea R. A. Philippi, 1853 accepted as Vanikoroidea Gray, 1840
- Superfamily Ficoidea Meek, 1864 (1840) (71)
- Superfamily Heteropoda Lamarck, 1812 accepted as Pterotracheoidea Rafinesque, 1814
- Superfamily Hipponicoidea Troschel, 1861 (99)
- Superfamily Littorinoidea Children, 1834 (1 372)
- Superfamily Naticoidea Guilding, 1834 (688)
- Family Naticidae Guilding, 1834 (688)
- Subfamily Globisininae A. W. B. Powell, 1933 (24)
- Subfamily Naticidae incertae sedis (8)
- Subfamily Naticinae Guilding, 1834 (261)
- Subfamily Polinicinae J. E. Gray, 1847 (263)
- Genus Acrybia H. Adams & A. Adams, 1853 accepted as Bulbus T. Brown, 1839
- Genus Albula Röding, 1798 accepted as Polinices Montfort, 1810
- Genus Amauropsis Mörch, 1857 (13)
- Genus Bulbus T. Brown, 1839 (5)
- Genus Choristes P. P. Carpenter, 1872 accepted as Amauropsis Mörch, 1857
- Genus Conuber H. J. Finlay & Marwick, 1937 (10)
- Genus Eucaryum Ehrenberg, 1831 accepted as Polinices Montfort, 1810
- Genus Euspira Agassiz, 1837 (87)
- Genus Friginatica Hedley, 1916 (12)
- Genus Glossaulax Pilsbry, 1929 (9)
- Genus Hypterita Woodring, 1957 (2)
- Genus Kerguelenatica A. W. B. Powell, 1951 (1)
- Genus Labellinacca Cossmann, 1919 † accepted as Euspira Agassiz, 1837
- Genus Lunatia J. E. Gray, 1847 accepted as Euspira Agassiz, 1837
- Genus Mamilla accepted as Mammilla Schumacher, 1817
- Genus Mamillaria Swainson, 1840 accepted as Polinices Montfort, 1810
- Genus Mamma H. Adams & A. Adams, 1853 accepted as Polinices Montfort, 1810
- Genus Mammilla Schumacher, 1817 (15)
- Genus Mammillaria Herrmannsen, 1847 accepted as Mamillaria Swainson, 1840
- Genus Naticaria Swainson, 1840 accepted as Mammilla Schumacher, 1817
- Genus Naticella Swainson, 1840 accepted as Polinices Montfort, 1810
- Genus Naticina Guilding, 1834 accepted as Polinices Montfort, 1810
- Genus Neverita Risso, 1826 (19)
- Subgenus Neverita (Glossaulax) Pilsbry, 1929 accepted as Glossaulax Pilsbry, 1929
- Subgenus Neverita (Hypterita) Woodring, 1957 accepted as Hypterita Woodring, 1957
- Subgenus Neverita (Neverita) Risso, 1826 represented as Neverita Risso, 1826
- Species Neverita africana (Salvan, 1955) † accepted as Neverita amerrukensis Pacaud & Lebrun, 2019 †
- Species Neverita albula (Récluz, 1851)
- Species Neverita albumen (Linnaeus, 1758) accepted as Polinices albumen (Linnaeus, 1758)
- Species Neverita alta (Arnold, 1903) accepted as Glossaulax reclusiana (Deshayes, 1839)
- Species Neverita amerrukensis Pacaud & Lebrun, 2019 †
- Species Neverita ampla (R. A. Philippi, 1849) accepted as Neverita didyma ampla (R. A. Philippi, 1849)
- Species Neverita arata Gabb, 1860 †
- Species Neverita aulacoglossa (Pilsbry & Vanatta, 1909)
- Species Neverita calvimontana (Deshayes, 1864) †
- Species Neverita coensis Dall, 1903 † accepted as Polinices (Dallitesta) coensis (Dall, 1903) †
- Species Neverita coticazae (Makiyama, 1926) †
- Species Neverita delessertiana (Récluz, 1843)
- Subspecies Neverita delessertiana delessertiana (Récluz, 1843)
- Subspecies Neverita delessertiana patriceae Petuch & R. F. Myers, 2014
- Species Neverita didyma (Röding, 1798)
- Species Neverita draconis (Dall, 1903) accepted as Glossaulax draconis (Dall, 1903)
- Species Neverita duplicata (Say, 1822)
- Species Neverita hayashii M. Azuma, 1961 accepted as Glossaulax didyma hayashii (M. Azuma, 1961)
- Species Neverita hosoyai Kira, 1959 accepted as Neverita didyma hosoyai Kira, 1959
- Species Neverita josephinia Risso, 1826
- Species Neverita kiritaniana (Yokoyama, 1931) †
- Species Neverita lamonae Marincovich, 1975
- Species Neverita larvata Tapparone Canefri, 1874
- Species Neverita lewisii (A. Gould, 1847)
- Species Neverita lineolata (Deshayes, 1832) †
- Species Neverita nana (Møller, 1842) accepted as Pseudopolinices nanus (Møller, 1842)
- Species Neverita nomlandi Dickerson, 1917 †
- Species Neverita obtusa (Jeffreys, 1885) accepted as Euspira obtusa (Jeffreys, 1885)
- Species Neverita olla (de Serres, 1829) †
- Species Neverita parvula Tapparone Canefri, 1876
- Species Neverita peselephanti (Link, 1807) accepted as Polinices peselephanti (Link, 1807)
- Species Neverita pilula Locard, 1897 accepted as Euspira obtusa (Jeffreys, 1885)
- Species Neverita politiana (Dall, 1919) accepted as Euspira pallida (Broderip & G. B. Sowerby I, 1829)
- Species Neverita pontis (Marwick, 1924) †
- Species Neverita reclusiana (Deshayes, 1839) accepted as Glossaulax reclusiana (Deshayes, 1839)
- Species Neverita recluziana (Deshayes, 1839) accepted as Glossaulax reclusiana (Deshayes, 1839)
- Species Neverita reiniana Dunker, 1877 accepted as Glossaulax reiniana (Dunker, 1877)
- Species Neverita robusta (Dunker, 1860) accepted as Glossaulax didyma ampla (R. A. Philippi, 1849)
- Species Neverita secta Gabb, 1864 † accepted as Glossaulax reclusiana (Deshayes, 1839)
- Species Neverita semiclausa (Deshayes, 1864) †
- Species Neverita semiglobosa (Grateloup, 1845) † accepted as Neverita olla (de Serres, 1829) †
- Species Neverita sulcifera K. Martin, 1905 †
- Species Neverita wanneri (K. Martin, 1914) †
- Species Neverita washingtonensis (C. E. Weaver, 1916) †
- Genus Payraudeautia Bucquoy, Dautzenberg & Dollfus, 1883 accepted as Euspira Agassiz, 1837
- Genus Polinices Montfort, 1810 (74)
- Genus Polynices Herrmannsen, 1847 accepted as Polinices Montfort, 1810
- Genus Pseudopolinices A. N. Golikov & Sirenko, 1983 (1)
- Genus Ruma Gray, 1847 accepted as Mammilla Schumacher, 1817
- Genus Sinuber A. W. B. Powell, 1951 (3)
- Genus Sulconacca Marwick, 1924 † accepted as Friginatica Hedley, 1916
- Genus Tahunacca P. A. Maxwell, 1992 † (2)
- Genus Uber R. A. Philippi, 1853 accepted as Polinices Montfort, 1810
- Genus Uberella H. J. Finlay, 1928 (10)
- Subfamily Sininae Woodring, 1928 (82)
- Genus Amauropsina Chelot, 1885 † (3)
- Genus Amauropsona H. J. Finlay & Marwick, 1937 † (2)
- Genus Austrocochlis H. J. Finlay & Marwick, 1937 † (2)
- Genus Bensonia J. E. Gray, 1847 accepted as Laguncula W. H. Benson, 1842
- Genus Benthobulbus J. H. McLean, 1995 (2)
- Genus Carinacca Marwick, 1924 † (4)
- Genus Cepatia J. E. Gray, 1842 † (2)
- Genus Darwinices Griffin & Pastorino, 2013 † (3)
- Genus Laguncula W. H. Benson, 1842 (1)
- Genus Magnatica Marwick, 1924 † (13)
- Genus Maxwellinatica Beu & B. A. Marshall, 2011 † (1)
- Genus Nanggulania K. Martin, 1914 † (1)
- Genus Natiria de Koninck, 1881 † (1)
- Genus Pliconacca K. Martin, 1914 † (6)
- Genus Polinella Marwick, 1931 † (9)
- Genus Prisconatica Gabb, 1877 †
- Genus Scarlatia Schileyko, 1977 accepted as Laguncula W. H. Benson, 1842
- Genus Uba [sic] † accepted as Uber R. A. Philippi, 1853
- Family Polynicidae [sic!] accepted as Polinicinae J. E. Gray, 1847
- Superfamily Pterotracheoidea Rafinesque, 1814 (63)
- Superfamily Rissoacea accepted as Rissooidea Gray, 1847
- Superfamily Rissoinoidea W. Stimpson, 1865 accepted as Rissooidea Gray, 1847
- Superfamily Rissooidea Gray, 1847 (2 311)
- Superfamily Stromboidea Rafinesque, 1815 (835)
- Superfamily Tonnoidea Suter, 1913 (1825) (788)
- Superfamily Truncatelloidea J. E. Gray, 1840 (6 902)
- Superfamily Vanikoroidea Gray, 1840 (1 331)
- Superfamily Velutinoidea Gray, 1840 (648)
- Superfamily Vermetoidea Rafinesque, 1815 (172)
- Superfamily Xenophoroidea Troschel, 1852 (1840) accepted as Stromboidea Rafinesque, 1815
- Order Neogastropoda (23 716)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 914)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (511)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 782)
- 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 (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata