Invertebrate fossil, GSA Mesozoic number 1985, from the GSA Mesozoic invertebrate paleontology collection. This specimen box contains 5 specimen(s) of the Oyster Ostrea plumosa Morton from the Cretaceous Demopolis Chalk Formation in Sumter County, AL, USA.
Summary
Invertebrate fossil, GSA Mesozoic number 1985, from the GSA Mesozoic invertebrate paleontology collection. This specimen box contains 5 specimen(s) of the Oyster Ostrea plumosa Morton from the Cretaceous Demopolis Chalk Formation in Sumter County, AL, USA.