Species: Exogyra laeviuscula
County: Travis
Site: None
Group: Austin
Formation: Austin Chalk
Member: Dessau
Period: Cretaceous
Epoch: Upper K
Stage: Santonian Coniacian
Class: Bivalvia-Oysters
Order: Ostreida
Superfamily: None
Family: Gryphaeidae
Genus: Exogyra
State: Texas
Credit: tmc
ID: 75