Between brackets is the number of accepted species

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- Mollusca (132 754)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 992)
- Class Caudofoveata (143)
- Class Cephalopoda (1 832)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 679)
- Subclass Amphigastropoda † (387)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 623)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 917)
- Order Caenogastropoda incertae sedis (7 675)
- Order Littorinimorpha (17 171)
- 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 (1 279)
- Family Amphiperatidae J. E. Gray, 1853 accepted as Ovulidae J. Fleming, 1822
- Family Cypraeidae Rafinesque, 1815 (811)
- Subfamily Adustinae Cotton & Steadman, 1946 accepted as Erroneinae F. A. Schilder, 1927
- Subfamily Archicypraeinae F. A. Schilder, 1927 † accepted as Gisortiinae F. A. Schilder, 1927 †
- Subfamily Bernayinae Schilder, 1927 † accepted as Gisortiinae F. A. Schilder, 1927 †
- Subfamily Cypraeinae Rafinesque, 1815 (140)
- Subfamily Cypraeovulinae F. A. Schilder, 1927 (48)
- Genus Crossia Shikama, 1974 accepted as Cypraeovula J. E. Gray, 1824
- Genus Cypraeova accepted as Cypraeovula J. E. Gray, 1824
- Genus Cypraeovula J. E. Gray, 1824 (19)
- Subgenus Cypraeovula (Crossia) Shikama, 1974 accepted as Cypraeovula J. E. Gray, 1824
- Subgenus Cypraeovula (Luponia) J. E. Gray, 1837 accepted as Cypraeovula J. E. Gray, 1824
- Subgenus Cypraeovula (Nakayasuia) Shikama, 1971 accepted as Cypraeovula J. E. Gray, 1824
- Species Cypraeovula alfredensis (F. A. Schilder & M. Schilder, 1929)
- Species Cypraeovula algoensis (J. E. Gray, 1825)
- Species Cypraeovula amphithales (Melvill, 1888) accepted as Cypraeovula capensis capensis (J. E. Gray, 1828)
- Species Cypraeovula atlantica (L. Raybaudi, 1988)
- Species Cypraeovula capensis (J. E. Gray, 1828)
- Species Cypraeovula castanea (E. T. Higgins, 1868)
- Subspecies Cypraeovula castanea castanea (E. T. Higgins, 1868)
- Subspecies Cypraeovula castanea latebrosa Swarts & Liltved, 2000
- Subspecies Cypraeovula castanea malani Lorenz & de Bruin, 2009 accepted as Cypraeovula malani Lorenz & de Bruin, 2009
- Species Cypraeovula cincta (K. Martin, 1899) † accepted as Cribrarula cincta (K. Martin, 1899) †
- Species Cypraeovula cohenae (C. M. Burgess, 1965) accepted as Cypraeovula edentula edentula (J. E. Gray, 1825)
- Species Cypraeovula colligata Lorenz, 2002
- Species Cypraeovula connelli (Liltved, 1983)
- Species Cypraeovula coronata (F. A. Schilder, 1930)
- Species Cypraeovula cruickshanki (Kilburn, 1972)
- Species Cypraeovula edentula (J. E. Gray, 1825)
- Species Cypraeovula funiculifera Cossmann, 1898 †
- Species Cypraeovula fuscodentata (J. E. Gray, 1825)
- Species Cypraeovula fuscorubra (H. Shaw, 1909)
- Species Cypraeovula gloriosa Shikama, 1971 accepted as Cypraeovula coronata gloriosa Shikama, 1971
- Species Cypraeovula immelmani Liltved, 2001
- Species Cypraeovula iutsui Shikama, 1974
- Species Cypraeovula junghuhni (K. Martin, 1899) †
- Species Cypraeovula kesslerorum Lorenz, 2006
- Species Cypraeovula levissima L. Raybaudi, 1995
- Species Cypraeovula malani Lorenz & de Bruin, 2009
- Species Cypraeovula mauvei R. Aiken, 2016 †
- Species Cypraeovula mikeharti Lorenz, 1985
- Species Cypraeovula namibiensis Massier, 2006 accepted as Cypraeovula algoensis namibiensis Massier, 2006
- Species Cypraeovula sondeiana (K. Martin, 1899) † accepted as Erronea cheribonensis F. A. Schilder, 1932 †
- Species Cypraeovula volvens Fazzini & Bergonzoni, 2004
- Genus Guttacypraea Iredale, 1935 accepted as Notocypraea F. A. Schilder, 1927
- Genus Luponia J. E. Gray, 1837 accepted as Cypraeovula J. E. Gray, 1824
- Genus Notadusta F. A. Schilder, 1935 (7)
- Genus Notocypraea F. A. Schilder, 1927 (11)
- Genus Notoluponia F. A. Schilder, 1935 † (11)
- Genus Ponticypraea Fehse, Lorenz, Hawke & K. Kovács, 2019 † accepted as Willungia A. W. B. Powell, 1938 †
- Genus Thelxinovum Iredale, 1931 accepted as Notocypraea F. A. Schilder, 1927
- Subfamily Erosariinae Schilder, 1924 (118)
- Subfamily Erroneinae F. A. Schilder, 1927 (149)
- Subfamily Gisortiinae F. A. Schilder, 1927 † (60)
- Subfamily Luriinae Schilder, 1932 (90)
- Subfamily Mandolininae Schilder, 1932 † accepted as Gisortiinae F. A. Schilder, 1927 †
- Subfamily Mauritiinae Steadman & Cotton, 1946 accepted as Mauritiini Steadman & Cotton, 1946
- Subfamily Pustulariinae Gill, 1871 (9)
- Subfamily Umbiliinae Schilder, 1932 (23)
- Subfamily Zoilinae Iredale, 1935 (35)
- Subfamily Zonariinae F. A. Schilder, 1932 (139)
- Genus Protopirula Rennie, 1930 † accepted as Cypraea Linnaeus, 1758
- Genus Sinusigera A. d'Orbigny, 1853
- Family Eocypraeidae F. A. Schilder, 1924 (74)
- Family Ovulidae J. Fleming, 1822 (394)
- Family Pediculariidae Gray, 1853 accepted as Pediculariinae Gray, 1853
- 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)
- 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 (2 309)
- 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 (23 713)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 154)
- 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