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Graphis rotundata Nowell-Usticke, 1969 |
| Scanning electron micrograph (SEM) of fossil specimens |
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Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (top two images > 0.75 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. |
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