Invertebrate fossil sample, GSA Cenozoic number 18617. A fossil sample of the Pliocene snail , Rissoina johnsoni, from the geologic unit Duplin, collected from the county of Sumter, SC, USA.
Summary
Invertebrate fossil sample, GSA Cenozoic number 18617. A fossil sample of the Pliocene snail , Rissoina johnsoni, from the geologic unit Duplin, collected from the county of Sumter, SC, USA.