| Cerithiopsis sp. cf. C. parvada Rolán, Espinosa, and Fernández-Garcés, 1911 | |
| Scanning Electron Micrographs (SEM) | |
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| Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (3.19 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. | |