Invertebrate fossil sample, GSA Cenozoic number 13871. A sample of 5 Miocene fossil bivalve, Macrocallista marylandica, from the geologic unit Calvert, collected in Calvert, MD, USA.
Summary
Invertebrate fossil sample, GSA Cenozoic number 13871. A sample of 5 Miocene fossil bivalve, Macrocallista marylandica, from the geologic unit Calvert, collected in Calvert, MD, USA.