Crassostrea Sacco 1897
type: Ostrea virginica Gmelin 1791, original designation
- Crassostrea virginica (Gmelin 1791)
- Crassostrea virginica  
 Biogeography,
    14: 87-91.
- Crassostrea virginica バージニアガキ 
 Bull. Biogeogr. Soc. Japan, 67: 313.
 
- unidentified
- Crassostrea sp. 
 Bull. Biogeogr. Soc. Japan,
    62: 63-66.
- Crassostrea spp.  カキ類 
 Bull. Biogeogr. Soc. Japan,
    69: 149.