
Oysters and Allies
Ostreida
The order Ostreida includes the true oysters. One superfamily and two families are recognised within it. The two families are Ostreidae, the true oysters, and Gryphaeidae, the foam oysters.
4 branches of this order, most-observed first

Ostreoidea
superfamilyOstreoidea

Pinnoidea
superfamilyPinnoidea

Pearl Oysters and Allies
superfamilyPterioidea
Pterineidae
familyPterineidae
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Ostreida in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 47583.