Species: Pseudoperna congesta
County: Grayson
Site: Post Oak Creek
Group: None
Formation: Eagle Ford/Atco
Member: None
Period: Cretaceous
Epoch: Upper K
Stage: Coniacian
Class: Bivalvia-Oysters
Order: Ostreida
Superfamily: None
Family: Ostreidae
Genus: Pseudoperna
State: Texas
Credit: mmm
ID: 669