Cyclostremiscus fargoi Pilsbry, 1953 Scanning Electron Micrographs

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida. From top to bottom, the four specimens pictured measure  measure 1.37, 1.39, 1.37, and 1.38 mm. in maximum diameter. SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL.