Rissoina chipolana Dall,1892 Fossil

Scanning Electron Micrograhs (SEM)

Rissoina chipolana Dall,1892 Fossil

Rissoina chipolana Dall,1892 Fossil

Juvenile

Rissoina chipolana Dall,1892 Fossil Juvenile

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida. SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.