Between brackets is the number of accepted species

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- Mollusca (133 145)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 075)
- Class Caudofoveata (143)
- Class Cephalopoda (1 877)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 937)
- Subclass Amphigastropoda † (423)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 772)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 921)
- Order Caenogastropoda incertae sedis (7 676)
- Order Littorinimorpha (17 225)
- 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 (1 299)
- 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 (689)
- 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 (2 312)
- Superfamily Stromboidea Rafinesque, 1815 (836)
- Superfamily Tonnoidea Suter, 1913 (1825) (788)
- Superfamily Truncatelloidea J. E. Gray, 1840 (6 931)
- Superfamily Vanikoroidea Gray, 1840 (1 331)
- Family Aclididae G. O. Sars, 1878 accepted as Eulimidae R. A. Philippi, 1853
- Family Asterophilidae Thiele, 1925 accepted as Eulimidae R. A. Philippi, 1853
- Family Enteroxenidae Schwanwitsch, 1917 accepted as Eulimidae R. A. Philippi, 1853
- Family Entocolacidae Voigt, 1888 accepted as Eulimidae R. A. Philippi, 1853
- Family Entoconchidae Keferstein, 1864 accepted as Eulimidae R. A. Philippi, 1853
- Family Eulimidae R. A. Philippi, 1853 (1 095)
- Family Gigantocapulidae Beu, 2007 † (1)
- Family Melanellidae Iredale, 1915 accepted as Eulimidae R. A. Philippi, 1853
- Family Merriidae Hedley, 1918 accepted as Vanikoridae Gray, 1840
- Family Naricidae Récluz, 1845 accepted as Vanikoridae Gray, 1840
- Family Paedophoropodidae A. W. Ivanov, 1933 accepted as Eulimidae R. A. Philippi, 1853
- Family Pelseneeriidae Schwanwitsch, 1917 accepted as Eulimidae R. A. Philippi, 1853
- Family Pherusidae Locard, 1886 accepted as Aclididae G. O. Sars, 1878
- Family Roseniidae Nierstrasz, 1913 accepted as Eulimidae R. A. Philippi, 1853
- Family Stiliferidae H. Adams & A. Adams, 1853 accepted as Eulimidae R. A. Philippi, 1853
- Family Strombiformidae Iredale, 1915 accepted as Eulimidae R. A. Philippi, 1853
- Family Stylinidae R. A. Philippi, 1853 accepted as Eulimidae R. A. Philippi, 1853
- Family Thycidae Thiele, 1929 accepted as Eulimidae R. A. Philippi, 1853
- Family Turtoniidae Rosén, 1910 accepted as Eulimidae R. A. Philippi, 1853
- Family Vanikoridae Gray, 1840 (235)
- Genus Amamiconcha T. Habe, 1961 (2)
- Genus Berthais Melvill, 1904 (2)
- Genus Chonebasis Pilsbry & Olsson, 1945 accepted as Macromphalina Cossmann, 1888
- Genus Constantia A. Adams, 1860 (4)
- Genus Couthouyia A. Adams, 1860 accepted as Macromphalus S. V. Wood, 1842 (1)
- Genus Cymenorytis Cossmann, 1888 † (15)
- Genus Dialytostoma Cossmann, 1888 † accepted as Macromphalus S. V. Wood, 1842
- Genus Escharella Cossmann, 1888 † accepted as Macromphalus S. V. Wood, 1842
- Genus Fossarella Thiele, 1925 (2)
- Genus Gyrodisca Dall, 1896 † accepted as Megalomphalus Brusina, 1871
- Genus Japanonoba T. Habe & Ando, 1987 (1)
- Genus Kaawatina Bartrum & A. W. B. Powell, 1928 † (1)
- Genus Korovina Iredale, 1918 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Lacunaria Conrad, 1866 † (4)
- Genus Larsenia Warén, 1989 (1)
- Genus Leucotis Swainson, 1840 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Limnoscala Raspail, 1909 † accepted as Cymenorytis (Limnoscala) Raspail, 1909 †
- Genus Macromphalina Cossmann, 1888 (46)
- Genus Macromphalus S. V. Wood, 1842 (45)
- Subgenus Macromphalus (Dialytostoma) Cossmann, 1888 † accepted as Macromphalus S. V. Wood, 1842
- Subgenus Macromphalus (Megalomphalus) Brusina, 1871 accepted as Megalomphalus Brusina, 1871
- Subgenus Macromphalus (Micreschara) Cossmann, 1889 † accepted as Macromphalus S. V. Wood, 1842
- Species Macromphalus abylensis Warén & Bouchet, 1988
- Species Macromphalus aculeatus (Hedley, 1900)
- Species Macromphalus aethiopicus (Thiele, 1925)
- Species Macromphalus agnesae Pacaud & Pons, 2015 †
- Species Macromphalus asperus (Hedley, 1912)
- Species Macromphalus backeljaui Poppe, Tagaro & Stahlschmidt, 2015
- Species Macromphalus bourgeoisi (de Morgan, 1916) †
- Species Macromphalus citharella (Cossmann, 1888) †
- Species Macromphalus comorensis (Thiele, 1925)
- Species Macromphalus crebrestriatus (Thiele, 1925)
- Species Macromphalus decussatus (A. Adams, 1860)
- Species Macromphalus decussatus (Cossmann, 1888) † accepted as Macromphalina decussata (Cossmann, 1888) †
- Species Macromphalus disjunctus (de Raincourt & Munier-Chalmas, 1863) †
- Species Macromphalus elegans (Deshayes, 1861) †
- Species Macromphalus fischeri (de Laubrière, 1881) †
- Species Macromphalus gracilis (Brazier, 1894)
- Species Macromphalus imacampensis Lozouet, 1998 †
- Species Macromphalus incertus (W. H. Turton, 1932)
- Species Macromphalus indicus (E. A. Smith, 1894)
- Species Macromphalus inflatus (Thiele, 1925)
- Species Macromphalus insignis (G. Nevill & H. Nevill, 1871)
- Species Macromphalus jinyuae L.-W. Lin, 2023
- Species Macromphalus liae W.-J. Chen & C.-F. Tseng, 2023
- Species Macromphalus lozoueti Landau, Marquet & Grigis, 2004 †
- Species Macromphalus magnei (Vergneau, 1963) †
- Species Macromphalus magnificus Poppe & Tagaro, 2016
- Species Macromphalus mzambanus (Kilburn, 1977)
- Species Macromphalus okamotoi (T. Habe, 1962) accepted as Amamiconcha okamotoi T. Habe, 1962
- Species Macromphalus pasithea (Kilburn, 1977)
- Species Macromphalus pliciferus (A. Adams, 1863)
- Species Macromphalus reticulatus S. V. Wood, 1842 †
- Species Macromphalus reticulatus (A. Adams, 1855)
- Species Macromphalus roberti (de Morgan, 1916) †
- Species Macromphalus saharicus Rubio & Rolán, 1994
- Species Macromphalus scalariformis (Morlet, 1888) †
- Species Macromphalus senegalensis (Knudsen, 1956)
- Species Macromphalus similis Gougerot & Le Renard, 1982 †
- Species Macromphalus striatulus (A. Adams, 1863)
- Species Macromphalus styliferinus (G. Nevill, 1885)
- Species Macromphalus subreticulatus (G. Nevill, 1885)
- Species Macromphalus subsolutus (Cossmann, 1888) †
- Species Macromphalus sundaicus (Thiele, 1925)
- Species Macromphalus superbus (Thiele, 1925)
- Species Macromphalus terebralis (Cossmann, 1885) †
- Species Macromphalus thelacme (Melvill, 1904)
- Species Macromphalus tornatilis (A. Gould, 1859)
- Species Macromphalus tyroi Hoenselaar & Moolenbeck, 1994
- Species Macromphalus unicarinalis (Melvill & Standen, 1903)
- Species Macromphalus walkeri Poppe, Tagaro & Stahlschmidt, 2015
- Species Macromphalus yamamotoi (Habe, 1978)
- Genus Megalomphalus Brusina, 1871 (16)
- Genus Merria Gray, 1839 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Micreschara Cossmann, 1889 accepted as Macromphalus S. V. Wood, 1842
- Genus Micromphalina Cossmann, 1888 † accepted as Macromphalus S. V. Wood, 1842
- Genus Narica A. d'Orbigny, 1842 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Naricava Hedley, 1913 (10)
- Genus Nilsia Finlay, 1926 (1)
- Genus Nioma Gray, 1842 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Radinista H. J. Finlay, 1926 (5)
- Genus Stenotis A. Adams, 1863 (1)
- Genus Talassia Warén & Bouchet, 1988 (12)
- Genus Tropidorbis Iredale, 1936 (1)
- Genus Tubiola A. Adams, 1863 (5)
- Genus Vanicoro J. E. Gray, 1842 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Vanicoropsis † accepted as Vanikoropsis Meek, 1876 †
- Genus Vanikoro Quoy & Gaimard, 1832 (47)
- Genus Vanikoroa Cossmann, 1925 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Vanikoroia Martin, 1914 accepted as Vanikoro Quoy & Gaimard, 1832
- Genus Vanikoropsis Meek, 1876 † (4)
- Genus Zeradina H. J. Finlay, 1926 (9)
- Subfamily Thycinae Thiele, 1929 accepted as Eulimidae R. A. Philippi, 1853
- Superfamily Velutinoidea Gray, 1840 (648)
- Superfamily Vermetoidea Rafinesque, 1815 (172)
- Superfamily Xenophoroidea Troschel, 1852 (1840) accepted as Stromboidea Rafinesque, 1815
- Order Neogastropoda (23 803)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (309)
- Subclass Heterobranchia (39 216)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 915)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (514)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 788)
- 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 (753)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata