Genus Gryphaea P. Fischer, 1886
(3-7-6-1-1-3-0-3-0-0-0-0-0) [=Crassostrea F. Sacco, 1897] [see also under Subfamily: OSTREINAE] Ref. Vokes, 1980 p 231 [see also under Subfamily: CRASSOSTREINAE; Tribe: Crassostreini]