Between brackets is the number of accepted species

Click on "-" to collapse/hide all child taxa
Shows the number of accepted species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Mollusca (132 476)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 901)
- Class Caudofoveata (143)
- Class Cephalopoda (1 810)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 514)
- Subclass Amphigastropoda † (382)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 480)
- Subterclass Sorbeoconcha (146)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 916)
- Superfamily Ampullarioidea Gray, 1824 (250)
- Superfamily Cyclophoroidea J. E. Gray, 1847 (3 902)
- Superfamily Viviparoidea Gray, 1847 (764)
- Family Amuropaludinidae Kruglov & Pavlyuchenkova, 1995 accepted as Bellamyinae Rohrbach, 1937
- Family Bellamyidae Rohrbach, 1937 accepted as Bellamyinae Rohrbach, 1937
- Family Paludinidae Fitzinger, 1833 accepted as Viviparidae J. E. Gray, 1847
- Family Pliopholygidae D. W. Taylor, 1966 † (6)
- Family Viviparidae J. E. Gray, 1847 (758)
- Subfamily Bellamyinae Rohrbach, 1937 (224)
- Subfamily Campelomatinae Thiele, 1929 accepted as Lioplacinae Gill, 1863
- Subfamily Lioplacinae Gill, 1863 (52)
- Subfamily Viviparinae J. E. Gray, 1847 (403)
- Genus Albianopalin Hamilton-Bruce, B. J. Smith & Gowlett-Holmes, 2002 † (2)
- Genus Apameaus Sivan, Heller & van Damme, 2006 † (1)
- Genus Bathonella Yen, 1948 † (2)
- Genus Czabalaya Bandel & F. Riedel, 1994 † (2)
- Genus Euxinomargarya Akhvlediani, 1957 † accepted as Viviparus Montfort, 1810
- Genus Fretacaeles Hamilton-Bruce & Kear, 2006 † (1)
- Genus Igapaludina Matsuoka, 1985 † (1)
- Genus Kaya Van Damme & Pickford, 1999 † (1)
- Genus Kwangsispira Hsü, 1935 † (2)
- Genus Lioplacodes Meek, 1864 † (39)
- Genus Macromargarya T. Ying, Fürsich & S. Schneider, 2013 † (1)
- Genus Melantho Bowdich, 1822
- Genus Paludinopsis Icke & K. Martin, 1905 † (3)
- Genus Paracampeloma Hsü, 1935 † (3)
- Species Paracampeloma chui Hsü, 1935 † accepted as Viviparus chui (Hsü, 1935) †
- Species Paracampeloma kumaensis Iwasaki, 1980 †
- Species Paracampeloma obsoleta Hsü, 1935 † accepted as Viviparus obsoletus (Hsü, 1935) †
- Species Paracampeloma ovata Hsü, 1935 †
- Species Paracampeloma paucilineata Hsü, 1935 †
- Genus Pedinopomus Bickel, 1977 † (1)
- Genus Proviviparus Frese & Ponder, 2021 † (1)
- Genus Rubeyella Yen, 1951 † (1)
- Genus Scalez G. D. Hanna & Gaylord, 1924 † (1)
- Genus Sculptopaludina Starobogatov, 1986 †
- Genus Suratia Hamilton-Bruce & Kear, 2010 † (1)
- Genus Tulotomoides Wenz, 1939 † (15)
- Genus Viquesnelia Deshayes, 1857
- Genus Viviparoides Starobogatov, 1986 † accepted as Viviparus Montfort, 1810
- Genus Wealdenia Yen, 1966 † (1)
- Order Caenogastropoda incertae sedis (7 663)
- Order Littorinimorpha (17 174)
- Order Neogastropoda (23 581)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 145)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 908)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (510)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 781)
- 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