Invertebrate fossil, GSA Mesozoic number 1864, from the GSA Mesozoic invertebrate paleontology collection. This specimen box contains 4 specimen(s) of the Oyster Exogyra cancellata Stephenson from the Cretaceous Demopolis Chalk Formation in Marengo County, AL, USA.
Summary
Invertebrate fossil, GSA Mesozoic number 1864, from the GSA Mesozoic invertebrate paleontology collection. This specimen box contains 4 specimen(s) of the Oyster Exogyra cancellata Stephenson from the Cretaceous Demopolis Chalk Formation in Marengo County, AL, USA.