MolluscaBase - browser

Mollusca (132 851)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 013)
Subclass Autobranchia (23 299)
Infraclass Heteroconchia (16 639)
Subterclass Archiheterodonta (1 208)
Subterclass Euheterodonta (11 358)
Subterclass Heterodonta
Subterclass Palaeoheterodonta (4 072)
Order Trigoniida (1 482)
Superfamily Megatrigonioidea van Hoepen, 1929 † (336)
Family Buchotrigoniidae H. A. Leanza, 1993 † (13)
Family Iotrigoniidae Saveliev, 1958 † (36)
Family Megatrigoniidae van Hoepen, 1929 † (73)
Subfamily Anditrigoniinae H. A. Leanza, 1993 † accepted as Megatrigoniinae van Hoepen, 1929 †
Subfamily Apiotrigoniinae Tashiro, 1979 † (47)
Subfamily Megatrigoniinae van Hoepen, 1929 † (26)
Genus Anditrigonia Levy, 1967 † (2)
Genus Antutrigonia H. A. Leanza & Garate, 1987 † (3)
Genus Bengtsonella M. R. Cooper & H. A. Leanza, 2019 † accepted as Bengtsonigonia Ceccolini & Cianferoni, 2021 †
Genus Bengtsonigonia Ceccolini & Cianferoni, 2021 † (1)
Genus Californigonia M. R. Cooper & H. A. Leanza, 2019 † (1)
Genus Columbitrigonia Poulton, 1977 † (4)
Genus Craginella M. R. Cooper & H. A. Leanza, 2019 † (1)
Species Craginella goodellii (Cragin, 1897) †
Genus Damborenella M. R. Cooper & H. A. Leanza, 2019 † (4)
Genus Eoanditrigonia H. A. Leanza, 1993 † (2)
Genus Megatrigonia van Hoepen, 1929 † (6)
Genus Paranditrigonia Reyes & E. Pérez, 1983 † (2)
Family Pterotrigoniidae van Hoepen, 1929 † (214)
Superfamily Myophorelloidea T. Kobayashi, 1954 † (376)
Superfamily Pseudocardinioidea Martinson, 1961 † (176)
Superfamily Trigonioidea Lamarck, 1819 (350)
Superfamily Trigonioidoidea L. R. Cox, 1952 † (226)
Superfamily Trigonodoidea Modell, 1942 † (18)
Order Unionida (2 579)
Family Lyrodesmatidae P. Fischer, 1886 † (8)
Family Pseudarcidae Scarlato & Starobogatov, 1979 † (3)
Family Thoraliidae N. J. Morris, 1980 †
Superorder Heteroconchia incertae sedis † (1)
Infraclass Pteriomorphia (6 660)
Subclass Bivalvia incertae sedis (7)
Subclass Palaeotaxodonta accepted as Nuculida
Subclass Paleoheterodonta accepted as Palaeoheterodonta
Subclass Protobranchia (1 365)
Infraclass Cryptodonta † (342)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 753)
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