Order
Ostreida Fërussac, 1822
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Bivalvia |
| Superorder | Ostreiformii |
| Order | Ostreida |
| Family | Bakevelliidae |
| Gryphaeidae | |
| Ostreidae |
See also
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Bivalvia |
| Superorder | Ostreiformii |
| Order | Ostreida |
| Family | Bakevelliidae |
| Gryphaeidae | |
| Ostreidae |