| Ostrea imbricata Gmelin, 1791 |
| Ostrea iridescens Hanley, 1854 |
| Ostrea laurentii Gmelin, 1791 |
| Ostrea megodon Hanley, 1846 |
| Ostrea muscosa W. Wood, 1828 |
| Ostrea nodosa Linnaeus, 1758 |
| Ostrea permollis G. B. Sowerby II, 1871 |
| Ostrea prismatica Gray, 1825 |
| Ostrea quercinus G. B. Sowerby II, 1871 |
| Ostrea regula Forsskål, 1775 |
| Ostrea rhizophorae Guilding, 1828 |
| Ostrea sandvichensis G. B. Sowerby II, 1871 |
| Ostrea scabra Born, 1778 |
| Ostrea stentina Payraudeau, 1826 |
| Ostrea tubulifera Dall, 1914 |
| Ostrea virginica Gmelin, 1791 |
| Ostrea weberi Olsson, 1951 |
| Ostreidae Rafinesque, 1815 |
| Ostreinae Rafinesque, 1815 |
| Ostreola Monterosato, 1884 |