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- Mollusca (130 384)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 123)
- Class Caudofoveata (143)
- Class Cephalopoda (1 751)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida †
- Class Gastropoda (101 281)
- Subclass Amphigastropoda † (318)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (52 554)
- Subterclass Sorbeoconcha (143)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 895)
- Order Caenogastropoda incertae sedis (7 625)
- Order Littorinimorpha (16 984)
- Order Neogastropoda (22 907)
- Superfamily Buccinoidea Rafinesque, 1815 (5 195)
- Superfamily Cancellarioidea Forbes & Hanley, 1851 accepted as Volutoidea Rafinesque, 1815
- Superfamily Conoidea J. Fleming, 1822 (8 157)
- Family Acusidae J. E. Gray, 1853 accepted as Terebridae Mörch, 1852
- Family Borsoniidae Bellardi, 1875 (515)
- Family Bouchetispiridae Kantor, E. E. Strong & Puillandre, 2012 (2)
- Family Clathurellidae H. Adams & A. Adams, 1858 (317)
- Family Clavatulidae J. E. Gray, 1853 (379)
- Family Clavidae T. L. Casey, 1904 accepted as Drilliidae Olsson, 1964
- Family Clionellidae W. Stimpson, 1865 accepted as Clavatulidae J. E. Gray, 1853
- Family Cochlespiridae A. W. B. Powell, 1942 (103)
- Family Conidae J. Fleming, 1822 (1 388)
- Subfamily Profundiconinae Limpalaër & Monnier, 2018 represented as Conidae J. Fleming, 1822
- Subfamily Puncticulinae J. K. Tucker & M. Tenorio, 2009 accepted as Conidae J. Fleming, 1822
- Genus Afonsoconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Afonsoconus) J. K. Tucker & M. Tenorio, 2013
- Genus Africonus Petuch, 1975 represented as Conus Linnaeus, 1758
- Genus Afroconus Petuch, 1975 accepted as Africonus Petuch, 1975
- Genus Arubaconus Petuch, 2013 accepted as Conus (Ductoconus) da Motta, 1991
- Genus Asprella Schaufuss, 1869 accepted as Conus (Asprella) Schaufuss, 1869 (1)
- Genus Atlanticonus Petuch & Sargent, 2012 accepted as Conus (Atlanticonus) Petuch & Sargent, 2012
- Genus Attenuiconus Petuch, 2013 accepted as Conus (Attenuiconus) Petuch, 2013
- Genus Austroconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Austroconus) J. K. Tucker & M. Tenorio, 2009
- Genus Bathyconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Fusiconus) da Motta, 1991
- Genus Bermudaconus Petuch, 2013 accepted as Conus (Bermudaconus) Petuch, 2013
- Genus Boucheticonus J. K. Tucker & M. Tenorio, 2013 accepted as Conasprella (Boucheticonus) J. K. Tucker & M. Tenorio, 2013
- Genus Brasiliconus Petuch, 2013 accepted as Conus (Brasiliconus) Petuch, 2013
- Genus Calamiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Lividoconus) Wils, 1970
- Genus Calibanus da Motta, 1991 accepted as Conus (Calibanus) da Motta, 1991
- Genus Californiconus J. K. Tucker & M. Tenorio, 2009 (1)
- Genus Calusaconus Petuch, 2003 † (1)
- Genus Cariboconus Petuch, 2003 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Chelyconus Mörch, 1852 accepted as Conus (Chelyconus) Mörch, 1852
- Genus Cleobula Iredale, 1930 accepted as Conus (Dendroconus) Swainson, 1840
- Genus Coltroconus Petuch, 2013 accepted as Conasprella (Coltroconus) Petuch, 2013
- Genus Conasprella Thiele, 1929 (196)
- Genus Conasprelloides J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Conilites Schlotheim, 1820 † accepted as Conilithes Swainson, 1840 †
- Genus Conilithes Swainson, 1840 † (22)
- Genus Conolithus Herrmannsen, 1847 † accepted as Conilithes Swainson, 1840 †
- Genus Conospira Cossmann, 1896 † accepted as Conospirus De Gregorio, 1890 †
- Genus Conospirus De Gregorio, 1890 † accepted as Conilithes Swainson, 1840 †
- Genus Continuconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Klemaeconus) J. K. Tucker & M. Tenorio, 2013
- Genus Contraconus Olsson & Harbison, 1953 † (1)
- Genus Conus Linnaeus, 1758 (1 075)
- Genus Cornutoconus M. Suzuki, 1972 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Coronaxis Swainson, 1840 accepted as Conus (Conus) Linnaeus, 1758
- Genus Cucullus Röding, 1798 accepted as Conus (Conus) Linnaeus, 1758
- Genus Cylinder Montfort, 1810 accepted as Conus (Cylinder) Montfort, 1810
- Genus Cylindrus Batsch, 1789 accepted as Cylinder Montfort, 1810
- Genus Dalliconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Dalliconus) J. K. Tucker & M. Tenorio, 2009
- Genus Darioconus Iredale, 1930 accepted as Conus (Darioconus) Iredale, 1930
- Genus Dauciconus Cotton, 1945 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Dendroconus Swainson, 1840 accepted as Conus (Dendroconus) Swainson, 1840
- Genus Ductoconus da Motta, 1991 accepted as Conus (Ductoconus) da Motta, 1991
- Genus Duodenticonus J. K. Tucker & M. Tenorio, 2013 accepted as Conasprella (Conasprella) Thiele, 1929
- Genus Dyraspis Iredale, 1949 accepted as Conus (Virroconus) Iredale, 1930
- Genus Elisaconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Elisaconus) J. K. Tucker & M. Tenorio, 2013
- Genus Embrikena Iredale, 1937 accepted as Conus (Embrikena) Iredale, 1937
- Genus Endemoconus Iredale, 1931 accepted as Conasprella (Endemoconus) Iredale, 1931
- Genus Eoconus J. K. Tucker & M. Tenorio, 2009 † (9)
- Genus Eremiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Eremiconus) J. K. Tucker & M. Tenorio, 2009
- Genus Erythroconus da Motta, 1991 accepted as Conus (Darioconus) Iredale, 1930
- Genus Eugeniconus da Motta, 1991 accepted as Conus (Eugeniconus) da Motta, 1991
- Genus Floraconus Iredale, 1930 accepted as Conus (Floraconus) Iredale, 1930
- Genus Fraterconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Fraterconus) J. K. Tucker & M. Tenorio, 2013
- Genus Fulgiconus da Motta, 1991 accepted as Conus (Phasmoconus) Mörch, 1852
- Species Fulgiconus exiguus (Lamarck, 1810) accepted as Conus exiguus Lamarck, 1810
- Species Fulgiconus goudeyi (Monnier & Limpalaër, 2012) accepted as Conus goudeyi (Monnier & Limpalaër, 2012)
- Species Fulgiconus marielae (Rehder & B. R. Wilson, 1975) accepted as Conus marielae Rehder & B. R. Wilson, 1975
- Species Fulgiconus moluccensis (Küster, 1838) accepted as Conus moluccensis Küster, 1838
- Species Fulgiconus stainforthii (Reeve, 1843) accepted as Conus stainforthii Reeve, 1843
- Species Fulgiconus vappereaui (A. Monteiro, 2009) accepted as Conus vappereaui A. Monteiro, 2009
- Genus Fumiconus da Motta, 1991 accepted as Conasprella (Fusiconus) da Motta, 1991
- Genus Fusiconus da Motta, 1991 accepted as Conasprella (Fusiconus) da Motta, 1991
- Genus Gastridium Modeer, 1793 accepted as Conus (Gastridium) Modeer, 1793
- Genus Genuanoconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Kalloconus) da Motta, 1991
- Genus Gladioconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Monteiroconus) da Motta, 1991
- Genus Globiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Ximeniconus) W. K. Emerson & Old, 1962
- Genus Gradiconus da Motta, 1991 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Graphiconus da Motta, 1991 accepted as Conus (Phasmoconus) Mörch, 1852
- Genus Harmoniconus da Motta, 1991 accepted as Conus (Harmoniconus) da Motta, 1991
- Genus Hemiconus Cossmann, 1889 † (27)
- Genus Hermes Montfort, 1810 accepted as Conus (Hermes) Montfort, 1810
- Genus Herndliconus Petuch & Drolshagen, 2015 †
- Genus Isoconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Splinoconus) da Motta, 1991
- Genus Jaspidiconus Petuch, 2003 accepted as Conasprella (Ximeniconus) W. K. Emerson & Old, 1962
- Genus Kalloconus da Motta, 1991 accepted as Conus (Kalloconus) da Motta, 1991
- Genus Kellyconus Petuch, 2013 accepted as Conus (Kellyconus) Petuch, 2013
- Genus Kenyonia Brazier, 1896 (1)
- Genus Kermasprella A. W. B. Powell, 1958 accepted as Conasprella (Endemoconus) Iredale, 1931
- Genus Ketyconus da Motta, 1991 accepted as Conus (Floraconus) Iredale, 1930
- Genus Kioconus da Motta, 1991 accepted as Conus (Splinoconus) da Motta, 1991
- Genus Klemaeconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Klemaeconus) J. K. Tucker & M. Tenorio, 2013
- Genus Kohniconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Kohniconus) J. K. Tucker & M. Tenorio, 2009
- Genus Kurodaconus Shikama & T. Habe, 1968 accepted as Conus (Turriconus) Shikama & T. Habe, 1968
- Genus Lamniconus da Motta, 1991 accepted as Conus (Lamniconus) da Motta, 1991
- Genus Lautoconus Monterosato, 1923 accepted as Conus (Lautoconus) Monterosato, 1923
- Genus Leporiconus Iredale, 1930 accepted as Conus (Leporiconus) Iredale, 1930
- Genus Leptoconus Swainson, 1840 accepted as Conus (Leptoconus) Swainson, 1840
- Genus Lilliconus G. Raybaudi Massilia, 1994 (8)
- Genus Lindaconus Petuch, 2002 accepted as Conus (Lindaconus) Petuch, 2002
- Genus Lithoconus Mörch, 1852 accepted as Conus (Lithoconus) Mörch, 1852
- Genus Lividiconus [sic] accepted as Lividoconus Wils, 1970
- Genus Lividoconus Wils, 1970 accepted as Conus (Lividoconus) Wils, 1970
- Genus Magelliconus da Motta, 1991 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Malagasyconus Monnier & M. Tenorio, 2015 accepted as Conus (Malagasyconus) Monnier & M. Tenorio, 2015
- Genus Mamiconus Cotton & Godfrey, 1932 accepted as Conasprella (Endemoconus) Iredale, 1931
- Genus Miliariconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Virroconus) Iredale, 1930
- Genus Mitraconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Turriconus) Shikama & T. Habe, 1968
- Genus Monteiroconus da Motta, 1991 accepted as Conus (Monteiroconus) da Motta, 1991
- Genus Nataliconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Leptoconus) Swainson, 1840
- Genus Nimboconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Phasmoconus) Mörch, 1852
- Genus Nitidoconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Splinoconus) da Motta, 1991
- Genus Nubecula Herrmanssen, 1847 accepted as Conus (Gastridium) Modeer, 1793
- Genus Papilliconus Tracey & Craig, 2017 † (2)
- Genus Papyriconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Papyriconus) J. K. Tucker & M. Tenorio, 2013
- Genus Parviconus Cotton & Godfrey, 1932 accepted as Conasprella (Parviconus) Cotton & Godfrey, 1932
- Genus Perplexiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Ximeniconus) W. K. Emerson & Old, 1962
- Genus Phasmaconus [sic] accepted as Phasmoconus Mörch, 1852
- Genus Phasmoconus Mörch, 1852 accepted as Conus (Phasmoconus) Mörch, 1852
- Genus Pictoconus Limpalaër & Monnier, 2018 represented as Conus Linnaeus, 1758
- Genus Pionoconus Mörch, 1852 accepted as Conus (Pionoconus) Mörch, 1852
- Genus Plagioconus J. K. Tucker & M. Tenorio, 2009 † accepted as Conus (Plagioconus) J. K. Tucker & M. Tenorio, 2009 †
- Genus Plicaustraconus Moolenbeek, 2008 accepted as Conus (Plicaustraconus) Moolenbeek, 2008
- Genus Poremskiconus Petuch, 2013 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Profundiconus Kuroda, 1956 (34)
- Genus Protoconus da Motta, 1991 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Protostrioconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Gastridium) Modeer, 1793
- Genus Pseudoconorbis J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Pseudoconorbis) J. K. Tucker & M. Tenorio, 2009
- Genus Pseudohermes J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Virgiconus) Cotton, 1945
- Genus Pseudolilliconus J. K. Tucker & M. Tenorio, 2009 (4)
- Genus Pseudonoduloconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Pseudonoduloconus) J. K. Tucker & M. Tenorio, 2009
- Genus Pseudopterygia J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Pseudopterygia) J. K. Tucker & M. Tenorio, 2013
- Genus Puncticulis Swainson, 1840 accepted as Conus (Puncticulis) Swainson, 1840
- Genus Purpuriconus da Motta, 1991 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Pygmaeconus Puillandre & M. Tenorio, 2017 (6)
- Genus Pyruconus Olsson, 1967 accepted as Conus (Pyruconus) Olsson, 1967
- Genus Quasiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Quasiconus) J. K. Tucker & M. Tenorio, 2009
- Genus Regiconus Iredale, 1930 accepted as Conus (Darioconus) Iredale, 1930
- Genus Rhizoconus Mörch, 1852 accepted as Conus (Rhizoconus) Mörch, 1852
- Genus Rhombiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Rhombus Montfort, 1810 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Rolaniconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Strategoconus) da Motta, 1991
- Genus Rollus Montfort, 1810 accepted as Conus (Gastridium) Modeer, 1793
- Genus Rubroconus J. K. Tucker & M. Tenorio, 2013 accepted as Conus (Rubroconus) J. K. Tucker & M. Tenorio, 2013
- Genus Sandericonus Petuch, 2013 accepted as Conus (Sandericonus) Petuch, 2013
- Genus Sciteconus da Motta, 1991 accepted as Conus (Sciteconus) da Motta, 1991
- Genus Seminoleconus Petuch, 2003 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Splinoconus da Motta, 1991 accepted as Conus (Splinoconus) da Motta, 1991
- Genus Spuriconus Petuch, 2003 accepted as Conus (Lindaconus) Petuch, 2002
- Genus Stellaconus J. K. Tucker & M. Tenorio, 2009 accepted as Conus (Splinoconus) da Motta, 1991
- Genus Stephanoconus Mörch, 1852 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Strategoconus da Motta, 1991 accepted as Conus (Strategoconus) da Motta, 1991
- Genus Strioconus Thiele, 1929 accepted as Pionoconus Mörch, 1852
- Genus Sulciconus Bielz, 1869 accepted as Asprella Schaufuss, 1869
- Genus Taranteconus M. Azuma, 1972 accepted as Conus (Taranteconus) M. Azuma, 1972
- Genus Tenorioconus Petuch & Drolshagen, 2011 accepted as Conus (Stephanoconus) Mörch, 1852
- Genus Tequestaconus Petuch & Drolshagen, 2015 †
- Genus Tesselliconus da Motta, 1991 accepted as Conus (Tesselliconus) da Motta, 1991
- Genus Textilia Swainson, 1840 accepted as Conus (Textilia) Swainson, 1840
- Genus Textiliinae da Motta, 1995 accepted as Textilia Swainson, 1840
- Genus Thalassiconus J. K. Tucker & M. Tenorio, 2013 accepted as Calibanus da Motta, 1991
- Genus Thoraconus da Motta, 1991 accepted as Conus (Phasmoconus) Mörch, 1852
- Genus Trovaoconus J. K. Tucker & M. Tenorio, 2009 accepted as Kalloconus da Motta, 1991
- Genus Tuckericonus Petuch, 2013 accepted as Conus (Dauciconus) Cotton, 1945
- Genus Turriconus Shikama & T. Habe, 1968 accepted as Conus (Turriconus) Shikama & T. Habe, 1968
- Genus Utriculus Schumacher, 1817 accepted as Conus (Gastridium) Modeer, 1793
- Genus Varioconus da Motta, 1991 represented as Conus Linnaeus, 1758
- Genus Viminiconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Fusiconus) da Motta, 1991
- Genus Virgiconus Cotton, 1945 accepted as Conus (Virgiconus) Cotton, 1945
- Genus Virroconus Iredale, 1930 accepted as Conus (Virroconus) Iredale, 1930
- Genus Vituliconus da Motta, 1991 accepted as Conus (Strategoconus) da Motta, 1991
- Genus Ximeniconus W. K. Emerson & Old, 1962 accepted as Conasprella (Ximeniconus) W. K. Emerson & Old, 1962
- Genus Yeddoconus J. K. Tucker & M. Tenorio, 2009 accepted as Conasprella (Endemoconus) Iredale, 1931
- Family Conilithidae J. K. Tucker & M. Tenorio, 2009 accepted as Conidae J. Fleming, 1822
- Family Conoidea incertae sedis (232)
- Family Conorbidae De Gregorio, 1880 (15)
- Family Conusidae J. Fleming, 1822 accepted as Conidae J. Fleming, 1822
- Family Cryptoconidae Cossmann, 1896 † (19)
- Family Drilliidae Olsson, 1964 (702)
- Family Fusiturridae Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias & Puillandre, 2018 (16)
- Family Horaiclavidae Bouchet, Kantor, Sysoev & Puillandre, 2011 (306)
- Family Mangeliidae P. Fischer, 1883 (1 018)
- Family Marshallenidae Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias & Puillandre, 2018 (5)
- Family Melatomidae Gill, 1871 accepted as Clavatulidae J. E. Gray, 1853
- Family Mitrolumnidae Sacco, 1904 accepted as Mitromorphidae T. L. Casey, 1904
- Family Mitromorphidae T. L. Casey, 1904 (217)
- Family Pervicaciidae Rudman, 1969 accepted as Terebridae Mörch, 1852
- Family Pleurotomidae J. E. Gray, 1838 accepted as Turridae H. Adams & A. Adams, 1853 (1838)
- Family Pseudomelatomidae J. P. E. Morrison, 1966 (729)
- Family Raphitomidae Bellardi, 1875 (1 127)
- Family Strictispiridae J. H. McLean, 1971 accepted as Pseudomelatomidae J. P. E. Morrison, 1966
- Family Taranteconidae J. K. Tucker & M. Tenorio, 2009 accepted as Conidae J. Fleming, 1822
- Family Terebridae Mörch, 1852 (750)
- Family Thatcheriidae A. W. B. Powell, 1942 accepted as Raphitomidae Bellardi, 1875
- Family Turridae H. Adams & A. Adams, 1853 (1838) (317)
- Subfamily Andoniinae Vera-Peláez, 2002 † accepted as Raphitomidae Bellardi, 1875
- Subfamily Crassispirinae J. H. McLean, 1971 accepted as Pseudomelatomidae J. P. E. Morrison, 1966
- Subfamily Cytharinae Thiele, 1929 accepted as Mangeliidae P. Fischer, 1883
- Subfamily Daphnellinae T. L. Casey, 1904 accepted as Raphitomidae Bellardi, 1875
- Subfamily Diptychomitrinae Bellardi, 1888 accepted as Mitromorphidae T. L. Casey, 1904
- Subfamily Oenopotinae Bogdanov, 1987 accepted as Mangeliidae P. Fischer, 1883
- Subfamily Pleurotomellinae F. Nordsieck, 1968 accepted as Raphitomidae Bellardi, 1875
- Subfamily Pseudotominae Bellardi, 1875 accepted as Borsoniidae Bellardi, 1875
- Subfamily Pusionellinae J. E. Gray, 1853 accepted as Clavatulidae J. E. Gray, 1853
- Subfamily Taraninae T. L. Casey, 1904 accepted as Raphitomidae Bellardi, 1875
- Subfamily Turriculinae A. W. B. Powell, 1942 accepted as Clavatulidae J. E. Gray, 1853
- Subfamily Zemaciinae Sysoev, 2003 accepted as Borsoniidae Bellardi, 1875
- Subfamily Zonulispirinae J. H. McLean, 1971 accepted as Pseudomelatomidae J. P. E. Morrison, 1966
- Superfamily Mitroidea Swainson, 1831 (620)
- Superfamily Muricacea accepted as Muricoidea Rafinesque, 1815
- Superfamily Muricoidea Rafinesque, 1815 (2 787)
- Superfamily Neogastropoda incertae sedis (294)
- Superfamily Olivoidea Latreille, 1825 (736)
- Superfamily Pholidotomoidea Cossmann, 1896 † (53)
- 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 (1 230)
- Superfamily Volutoidea Rafinesque, 1815 (3 835)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (242)
- Subclass Heterobranchia (39 086)
- Subclass Neomphaliones (132)
- Subclass Neritimorpha (1 889)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (509)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 551)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (360)
- Class Monoplacophora (228)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 378)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (57)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (311)
- Subclass Chaetodermomorpha accepted as Caudofoveata