MolluscaBase - browser

Mollusca (133 260)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 078)
Subclass Autobranchia (23 356)
Subclass Bivalvia incertae sedis (7)
Subclass Palaeotaxodonta accepted as Nuculida
Subclass Paleoheterodonta accepted as Palaeoheterodonta
Subclass Protobranchia (1 373)
Infraclass Cryptodonta † (342)
Superorder Inoceramiformii † (288)
Superfamily Inoceramoidea Giebel, 1852 † (187)
Family Atomodesmatidae Waterhouse, 1976 † (1)
Family Inoceramidae Giebel, 1852 † (179)
Family Kolymiidae Kuznetsov, 1973 †
Family Retroceramidae Koschelkina, 1980 † (7)
Genus Retroceramus Koschelkina, 1959 † (7)
Subgenus Retroceramus (Fractoceramus) Koschelkina, 1959 † represented as Retroceramus Koschelkina, 1959 †
Subgenus Retroceramus (Retroceramus) Koschelkina, 1959 † represented as Retroceramus Koschelkina, 1959 †
Species Retroceramus (Retroceramus) brownei (Marwick, 1953) † represented as Retroceramus brownei (Marwick, 1953) †
Species Retroceramus (Retroceramus) everesti (Oppel, 1862) † represented as Retroceramus everesti (Oppel, 1862) †
Species Retroceramus (Retroceramus) galoi (Boehm, 1907) † represented as Retroceramus galoi (Boehm, 1907) †
Species Retroceramus (Retroceramus) haasti (Hochstetter, 1863) † represented as Retroceramus haasti (Hochstetter, 1863) †
Species Retroceramus (Retroceramus) marwicki (Speden, 1970) † represented as Retroceramus marwicki (Speden, 1970) †
Species Retroceramus (Retroceramus) stehni S. E. Damborenea, 1990 † represented as Retroceramus stehni S. E. Damborenea, 1990 †
Species Retroceramus brownei (Marwick, 1953) †
Species Retroceramus everesti (Oppel, 1862) †
Species Retroceramus galoi (Boehm, 1907) †
Species Retroceramus haasti (Hochstetter, 1863) †
Species Retroceramus inconditus (Marwick, 1953) †
Species Retroceramus marwicki (Speden, 1970) †
Species Retroceramus retrorsus (Keyserling, 1848) †
Species Retroceramus stehni S. E. Damborenea, 1990 †
Family Sphenoceramidae Heinz, 1932 † accepted as Inoceramidae Giebel, 1852 †
Superfamily Posidonioidea Neumayr, 1891 † (101)
Superorder Nepiomorphia † (54)
Class Caudofoveata (143)
Class Cephalopoda (1 917)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (103 009)
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 (1 381)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (753)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata