Name/Title
Fossilized Bivalve (Protocardia sp., Family Cardiidae)Description
Bivalve (Protocardia sp.)
Family Cardiidae
Early–Late Cretaceous
Edwards Group Limestone (probable)
Guadalupe River region, Central Texas, USA
A thick-shelled cardiid bivalve characterized by inflated, roughly symmetrical valves. Species of Protocardia were common inhabitants of shallow tropical seas during the Cretaceous and are frequently preserved as worn limestone casts in central Texas.Create Date
August 3, 2025Update Date
September 12, 2026
