| Anticlimax locklini Pilsbry and Olsson, 1950 Extinct Fossil Species | 
| Scanning Electron Micrographs (SEM) | 
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| Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (top left and middle specimen: 2.80 mm. - top left and bottom specimen: 2.53 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. |