Graphis rotundata Nowell-Usticke, 1969

Scanning electron micrograph (SEM) of fossil specimens
Graphis rotundata Nowell-Usticke, 1969

Graphis rotundata Nowell-Usticke, 1969

Graphis rotundata Nowell-Usticke, 1969

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (top two images > 0.75 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.