Genus Crassostrea F. Sacco, 1897

(3-7-6-1-1-3-1-T1-2-0-0-0-0-0)
Syn. Angustostrea Vyalov, 1936;
Crassotrea Miyake & Noda, 1962;
Dioeciostraea J. Thiele, 1934;
Dioeciostrea Orton, 1928;
Grassostrea Vyalov, 1948;
Gyrphaea P. Fischer, 1886, not J. B. P. A. de Lamarck, 1801;
Somalidacna Azzaroli, 1958
Ref. Vaught, 1989 p 118