- Animals
- ›Molluscs
- ›Bivalves
- ›Autobranchia
- ›Pteriomorphia
- ›Oysters and Allies
- ›Ostreoidea
- ›Foam Oysters
- ›Exogyrinae
Exogyra
Exogyra is an extinct genus of fossil marine oysters in the family Gryphaeidae, the foam oysters or honeycomb oysters. These bivalves grew cemented by the more cupped left valve. The right valve is flatter, and the beak is curved to one side. Exogyra lived on solid substrates in warm seas during the Jurassic and Cretaceous periods.
17 branches of this genus, most-observed first
Exogyra ponderosa
speciesExogyra ponderosa
Exogyra costata
speciesExogyra costata
Exogyra whitneyi
speciesExogyra whitneyi
Exogyra plexa
speciesExogyra plexa
Exogyra haliotoidea
speciesExogyra haliotoidea
Exogyra cancellata
speciesExogyra cancellata
Exogyra tigrina
speciesExogyra tigrina
Exogyra laeviuscula
speciesExogyra laeviuscula
Exogyra upatoiensis
speciesExogyra upatoiensis
Exogyra aquilliana
speciesExogyra aquilliana
Exogyra columbella
speciesExogyra columbella
Exogyra clarki
speciesExogyra clarki
Exogyra drakei
speciesExogyra drakei
Exogyra paupercula
speciesExogyra paupercula
Exogyra guadalupe
speciesExogyra guadalupe
Exogyra aquila
speciesExogyra aquila
Exogyra cartledgei
speciesExogyra cartledgei
Where it lives
Recorded sightings
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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 Exogyra 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 551452.