| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Crassostrea angulata | 79875 | Lamarck | | ITIS SBMNH | valid | | Species |
| Crassostrea ariakensis | 693930 | (Fujita, 1913) | Suminoe oyster | ITIS SBMNH | valid | | Species |
| Crassostrea arquatorialis | 79879 | Orbigny, 1846 | | ITIS | invalid | junior synonym of Crassostrea columbiensis | Species |
| Crassostrea belcheri | 999004411 | (Sowerby, 1871) | | SBMNH | not public | mtsn | Species |
| Crassostrea brasiliana | 79874 | Lamarck | | ITIS | invalid | junior synonym of Crassostrea virginica | Species |
| Crassostrea chilensis | 79876 | Hertlein | | ITIS SBMNH | valid | | Species |
| Crassostrea columbiensis | 79877 | (Hanley, 1846) | | ITIS SBMNH | valid | | Species |
| Crassostrea corteziensis | 79880 | (Hertlein, 1951) | | ITIS SBMNH | valid | | Species |
| Crassostrea floridensis | 79873 | Sowerby | | ITIS | invalid | junior synonym of Crassostrea virginica | Species |
| Crassostrea gigas | 79868 | (Thunberg, 1793) | Pacific giant oyster Pacific oyster | ITIS SBMNH | valid | | Species |
| Crassostrea glomerata | 999004412 | (Gould, 1850) | | SBMNH | not public | mtsn | Species |
| Crassostrea hongkongensis | 999004413 | Lam & Morton, 2003 | | SBMNH | not public | mtsn | Species |
| Crassostrea laperousei | 999004414 | (Schrenck, 1867) | | SBMNH | not public | mtsn | Species |
| Crassostrea lugubris | 999004415 | (Sowerby, 1871) | | SBMNH | not public | mtsn | Species |
| Crassostrea nigromarginata | 999004416 | Sowerby, 1871 | | SBMNH | not public | mtsn | Species |
| Crassostrea nippona | 999004417 | (Seki, 1934) | | SBMNH | not public | mtsn | Species |
| Crassostrea ochracea | 79878 | Sowerby In Reeve, 1871 | | ITIS | invalid | junior synonym of Crassostrea columbiensis | Species |
| Crassostrea palmula | 999004418 | (Carpenter, 1857) | | SBMNH | not public | mtsn | Species |
| Crassostrea prismatica | 999004419 | (Gray, 1825) | | SBMNH | not public | mtsn | Species |
| Crassostrea revularis | 999004420 | (Gould, 1861) | | SBMNH | not public | mtsn | Species |
| Crassostrea rhizophorae | 79881 | Guilding | | ITIS SBMNH | valid | | Species |
| Crassostrea sikamea | 999004421 | (Amemiya, 1928) | | SBMNH | not public | mtsn | Species |
| Crassostrea titan | 999004422 | (Conrad,1853) | | SBMNH | not public | mtsn | Species |
| Crassostrea virginica | 79872 | (Gmelin, 1791) | eastern oyster | ITIS SBMNH | valid | | Species |
| Ostrea ariakensis | 693931 | Fujita, 1913 | | ITIS | invalid | original name/combination of Crassostrea ariakensis | Species |
