MolluscaBase - browser

Between brackets is the number of accepted species

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Mollusca (132 791)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 009)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 697)
Subclass Amphigastropoda † (390)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 636)
Subclass Gastropoda incertae sedis (308)
Subclass Heterobranchia (39 156)
Infraclass "Lower Heterobranchia" (1 137)
Superfamily Architectonicoidea J. E. Gray, 1850 (262)
Superfamily Cimoidea Warén, 1993 (114)
Superfamily Ectobranchia P. Fischer, 1884 accepted as Valvatoidea Gray, 1840
Superfamily Mathildoidea Dall, 1889 (260)
Superfamily Omalogyroidea G. O. Sars, 1878 (74)
Superfamily Orbitestelloidea Iredale, 1917 (64)
Family Microdisculidae Iredale & McMichael, 1962 accepted as Orbitestellidae Iredale, 1917
Family Orbitestellidae Iredale, 1917 (54)
Genus Absonus Rubio & Rolán, 2021 (1)
Genus Boschitestella Moolenbeek, 1994 (2)
Species Boschitestella donaldi Moolenbeek, 1994
Species Boschitestella eloiseae Moolenbeek, 1994
Genus Kaiwarella Bandel, Gründel & P. A. Maxwell, 2000 † (2)
Genus Lurifax Warén & Bouchet, 2001 (2)
Genus Microdiscula Thiele, 1912 (7)
Genus Orbitestella Iredale, 1917 (37)
Genus Patagorbitestella Di Luca, Griffin & Pastorino, 2023 (3)
Family Xylodisculidae Warén, 1992 (10)
Superfamily Valvatoidea Gray, 1840 (363)
Infraclass Euthyneura (37 433)
Infraclass Heterobranchia incertae sedis (478)
Infraclass Mesoneura (108)
Infraclass Opisthobranchia
Infraclass Pulmonata
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