Invertebrate fossil sample, GSA Cenozoic number 18243. A fossil sample of the Oligocene clam , Arca (Barbatia) aspera, from the geologic unit Red Bluff Clay, collected from the county of Clarke, AL, USA.
Summary
Invertebrate fossil sample, GSA Cenozoic number 18243. A fossil sample of the Oligocene clam , Arca (Barbatia) aspera, from the geologic unit Red Bluff Clay, collected from the county of Clarke, AL, USA.