Between brackets is the number of accepted species

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- Mollusca (132 888)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 022)
- Class Caudofoveata (143)
- Class Cephalopoda (1 838)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 777)
- Subclass Amphigastropoda † (396)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 684)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 919)
- Order Caenogastropoda incertae sedis (7 677)
- Order Littorinimorpha (17 189)
- Order Neogastropoda (23 752)
- Superfamily Buccinoidea Rafinesque, 1815 (5 255)
- Superfamily Cancellarioidea Forbes & Hanley, 1851 accepted as Volutoidea Rafinesque, 1815
- Superfamily Conoidea J. Fleming, 1822 (8 696)
- Superfamily Mitroidea Swainson, 1831 (633)
- Superfamily Muricacea accepted as Muricoidea Rafinesque, 1815
- Superfamily Muricoidea Rafinesque, 1815 (2 941)
- Superfamily Neogastropoda incertae sedis (296)
- Superfamily Olivoidea Latreille, 1825 (740)
- Superfamily Pholidotomoidea Cossmann, 1896 † (56)
- Superfamily Pseudolivoidea De Gregorio, 1880 accepted as Olivoidea Latreille, 1825
- Superfamily Pyrifusoidea Bandel & Dockery, 2001 † accepted as Pholidotomoidea Cossmann, 1896 †
- Superfamily Sarganoidea Stephenson, 1923 † accepted as Pholidotomoidea Cossmann, 1896 †
- Superfamily Toxoglossa Troschel, 1848 accepted as Conoidea J. Fleming, 1822
- Superfamily Turbinelloidea Swainson, 1835 (1 253)
- Superfamily Volutoidea Rafinesque, 1815 (3 882)
- Family Cancellariidae Forbes & Hanley, 1851 (855)
- Family Cystiscidae W. Stimpson, 1865 (556)
- Family Granulinidae G. A. Coovert & H. K. Coovert, 1995 (155)
- Family Marginellidae J. Fleming, 1828 (1 445)
- Family Marginellonidae Coan, 1965 (4)
- Family Paladmetidae Stephenson, 1941 † accepted as Admetinae Troschel, 1865
- Family Plesiocystiscidae G. A. Coovert & H. K. Coovert, 1995 accepted as Plesiocystiscinae G. A. Coovert & H. K. Coovert, 1995
- Family Volutidae Rafinesque, 1815 (867)
- Subfamily Amoriinae J. E. Gray, 1857 (170)
- Tribe Amoriini J. E. Gray, 1857 (75)
- Tribe Melonini Pilsbry & Olsson, 1954 (63)
- Genus Aulica J. E. Gray, 1847 accepted as Cymbiola Swainson, 1831
- Genus Aulicina Rovereto, 1899 accepted as Cymbiola Swainson, 1831
- Genus Cymbiola Swainson, 1831 (50)
- Subgenus Cymbiola (Aulicina) Rovereto, 1899 accepted as Cymbiola Swainson, 1831
- Subgenus Cymbiola (Cymbiola) Swainson, 1831 represented as Cymbiola Swainson, 1831
- Subgenus Cymbiola (Cymbiolacca) Iredale, 1929 represented as Cymbiola Swainson, 1831
- Species Cymbiola (Cymbiolacca) complexa Iredale, 1924 represented as Cymbiola complexa Iredale, 1924
- Subspecies Cymbiola (Cymbiolacca) complexa complexa Iredale, 1924 represented as Cymbiola complexa complexa Iredale, 1924
- Subspecies Cymbiola (Cymbiolacca) complexa frazerensis Bail & Limpus, 1998 represented as Cymbiola complexa frazerensis Bail & Limpus, 1998
- Subspecies Cymbiola (Cymbiolacca) complexa nielseni (McMichael, 1963) represented as Cymbiola complexa nielseni (McMichael, 1963)
- Species Cymbiola (Cymbiolacca) cracenta (McMichael, 1963) represented as Cymbiola cracenta (McMichael, 1963)
- Species Cymbiola (Cymbiolacca) excelsior Bail & Limpus, 1998 accepted as Cymbiola (Cymbiolacca) pulchra excelsior Bail & Limpus, 1998
- Species Cymbiola (Cymbiolacca) houarti Bail & Limpus, 1998 represented as Cymbiola houarti Bail & Limpus, 1998
- Species Cymbiola (Cymbiolacca) intruderi (Poppe, 1985) represented as Cymbiola intruderi (Poppe, 1985)
- Species Cymbiola (Cymbiolacca) moretonensis Bail & Limpus, 1998 represented as Cymbiola moretonensis Bail & Limpus, 1998
- Species Cymbiola (Cymbiolacca) peristicta McMichael, 1963 accepted as Cymbiola pulchra peristicta McMichael, 1963
- Species Cymbiola (Cymbiolacca) perplicata (Hedley, 1902) accepted as Cymbiola (Magnavictoria) perplicata (Hedley, 1902)
- Species Cymbiola (Cymbiolacca) pulchra (G. B. Sowerby I, 1825) represented as Cymbiola pulchra (G. B. Sowerby I, 1825)
- Species Cymbiola (Cymbiolacca) subelongata Bail & Limpus, 1998 represented as Cymbiola subelongata Bail & Limpus, 1998
- Species Cymbiola (Cymbiolacca) thatcheri (McCoy, 1868) accepted as Cymbiola (Magnavictoria) thatcheri (McCoy, 1868)
- Subgenus Cymbiola (Magnavictoria) Poppe & Tagarao, 2020 represented as Cymbiola Swainson, 1831
- Subgenus Cymbiola (Pachycymbiola) Ihering, 1907 accepted as Pachycymbiola Ihering, 1907
- Species Cymbiola alexisallaryi T. Cossignani, 2018
- Species Cymbiola ambugensis Harzhauser, Raven & Landau, 2018 †
- Species Cymbiola aulica (G. B. Sowerby I, 1825)
- Species Cymbiola baili Prati & Raybaudi, 1996
- Species Cymbiola becki (Broderip, 1836) accepted as Adelomelon beckii (Broderip, 1836)
- Species Cymbiola calcar P. Marshall, 1918 † accepted as Clifdenia calcar (P. Marshall, 1918) †
- Species Cymbiola cathcartiae (Reeve, 1856)
- Species Cymbiola chrysostoma (Swainson, 1824)
- Species Cymbiola complexa Iredale, 1924
- Species Cymbiola cooperi Petuch & Berschauer, 2024
- Species Cymbiola cracenta (McMichael, 1963)
- Species Cymbiola cymbiola (Gmelin, 1791)
- Species Cymbiola deshayesi [sic] accepted as Cymbiola deshayesii (Reeve, 1855)
- Species Cymbiola deshayesii (Reeve, 1855)
- Species Cymbiola excelsior Bail & Limpus, 1998 accepted as Cymbiola pulchra excelsior Bail & Limpus, 1998
- Species Cymbiola flavicans (Gmelin, 1791)
- Species Cymbiola gedinganensis (K. Martin, 1895), †
- Species Cymbiola gendinganensis (K. Martin, 1895) †
- Species Cymbiola houarti Bail & Limpus, 1998
- Species Cymbiola hughmorrisoni Bail & Limpus, 1997
- Species Cymbiola imperialis ([Lightfoot], 1786)
- Species Cymbiola innexa (Reeve, 1849)
- Species Cymbiola intruderi (Poppe, 1985)
- Species Cymbiola irvinae (E. A. Smith, 1909)
- Species Cymbiola kimbacki Bail & Limpus, 2014
- Species Cymbiola laminusa Poppe, Tagaro & Bail, 2011
- Species Cymbiola lutea R. B. Watson, 1882 accepted as Alcithoe lutea (R. B. Watson, 1882)
- Species Cymbiola macdonaldi (Tate, 1888) †
- Species Cymbiola magnifica (Gebauer, 1802)
- Species Cymbiola malayensis Douté & Bail, 2000
- Species Cymbiola mangeri Preston, 1901 accepted as Odontocymbiola magellanica (Gmelin, 1791)
- Species Cymbiola mariaemma (J. E. Gray, 1858)
- Species Cymbiola marispuma Angioy & Biraghi, 1977 accepted as Cymbiola innexa (Reeve, 1849)
- Species Cymbiola masefieldi P. Marshall, 1918 † accepted as Eumitra nitens (P. Marshall, 1918) †
- Species Cymbiola molengraaffi (L. R. Cox, 1948) †
- Species Cymbiola monocoronata (P. J. Fischer, 1921) †
- Species Cymbiola moretonensis Bail & Limpus, 1998
- Species Cymbiola multiplicata (Pannekoek, 1936) †
- Species Cymbiola nitens P. Marshall, 1918 † accepted as Eumitra nitens (P. Marshall, 1918) †
- Species Cymbiola nivosa (Lamarck, 1804)
- Species Cymbiola nobilis ([Lightfoot], 1786)
- Species Cymbiola nusatenggara Crabos, 2025
- Species Cymbiola oblita (E. A. Smith, 1909)
- Species Cymbiola octogonalis J. Senders & R. Senders, 1995 accepted as Cymbiola tamariskae Sutanto & Patamakanthin, 2004
- Species Cymbiola palawanica Douté & Bail, 2000
- Species Cymbiola perplicata (Hedley, 1902)
- Species Cymbiola provocationis (McMichael, 1961)
- Species Cymbiola pulchra (G. B. Sowerby I, 1825)
- Species Cymbiola randalli Stokes, 1961 accepted as Cymbiola pulchra wisemani (Brazier, 1870)
- Species Cymbiola rembangensis (Pannekoek, 1936) †
- Species Cymbiola rigaultiana (Deshayes, 1865) †
- Species Cymbiola rossiniana (Bernardi, 1859)
- Species Cymbiola rutila (Broderip, 1826)
- Species Cymbiola scottjordani Poppe & Tagaro, 2005
- Species Cymbiola sophia (Gray, 1846)
- Species Cymbiola stolida (R. M. Johnston, 1880) † accepted as Nannamoria stolida (R. M. Johnston, 1880) †
- Species Cymbiola strophodon (McCoy, 1876) † accepted as Nannamoria strophodon (McCoy, 1876) †
- Species Cymbiola subelongata Bail & Limpus, 1998
- Species Cymbiola tabulata (Tate, 1888) † accepted as Notovoluta tabulata (Tate, 1888) †
- Species Cymbiola tamariskae Sutanto & Patamakanthin, 2004 accepted as Cymbiola nobilis tamariskae Sutanto & Patamakanthin, 2004
- Species Cymbiola texana Gabb, 1860 † accepted as Caricella demissa var. texana (Gabb, 1860) †
- Species Cymbiola thatcheri (McCoy, 1868)
- Species Cymbiola tjilonganensis (K. Martin, 1906) †
- Species Cymbiola transverseplicata (Pannekoek, 1936) †
- Species Cymbiola uncifera (Tate, 1888) †
- Species Cymbiola vespertilio (Linnaeus, 1758)
- Species Cymbiola weldii (Tenison Woods, 1876) † accepted as Nannamoria weldii (Tenison Woods, 1876) †
- Genus Cymbiolacca Iredale, 1929 accepted as Cymbiola (Cymbiolacca) Iredale, 1929
- Genus Cymbiolena Iredale, 1929 accepted as Cymbiola Swainson, 1831
- Genus Melo Broderip, 1826 (13)
- Genus Pseudocymbiola McMichael, 1961 accepted as Cymbiola Swainson, 1831
- Genus Scapha J. E. Gray, 1847 accepted as Cymbiola Swainson, 1831
- Genus Vespertilio Mörch, 1852 accepted as Voluta Linnaeus, 1758
- Genus Volutocorona Pilsbry & Olsson, 1954 accepted as Cymbiola Swainson, 1831
- Tribe Notovolutini Bail & Poppe, 2001 (32)
- Subfamily Athletinae Pilsbry & Olsson, 1954 (105)
- Subfamily Calliotectinae Pilsbry & Olsson, 1954 (22)
- Subfamily Cymbiinae H. Adams & A. Adams, 1853 (1847) (236)
- Subfamily Cymbiolinae Bondarev, 1995 accepted as Melonini Pilsbry & Olsson, 1954
- Subfamily Eovolutinae Pacaud, 2016 † (25)
- Subfamily Fulgorariinae Pilsbry & Olsson, 1954 (57)
- Subfamily Indovolutinae Halder & S. S. Das, 2019 † (11)
- Subfamily Plicolivinae Bouchet, 1990 (2)
- Subfamily Scaphellinae Gray, 1857 (64)
- Subfamily Volutilithinae Pilsbry & Olsson, 1954 † (21)
- Subfamily Volutinae Rafinesque, 1815 (154)
- Subfamily Volutomitrinae J. E. Gray, 1854 accepted as Volutomitridae J. E. Gray, 1854
- Subfamily Zidoninae H. Adams & A. Adams, 1853 accepted as Zidonini H. Adams & A. Adams, 1853
- Genus Rostellites Conrad, 1855 †
- Genus Tectaplica Wade, 1916 †
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (309)
- Subclass Heterobranchia (39 180)
- 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 (6 783)
- 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