Turbonilla (Pyrgiscus) speira (Ravenel, 1859)

Scanning Electron Micrographs (SEM) Of Fossil Specimens

Turbonilla (Pyrgiscus) speira (Ravenel, 1859)

Turbonilla (Pyrgiscus) speira (Ravenel, 1859)

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida. SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.