Polyschides tetraschistus (Watson, 1879) Fourtooth Toothshell

Polyschides tetraschistus (Watson, 1879) Fourtooth Toothshell

Millar's Beach, Eleuthera, Bahamas (8.8 mm.). Digital image by David Kirsh.

Scanning Electron Micrographs (SEM) Of Fossil Specimens

Polyschides tetraschistus (Watson, 1879) Fourtooth Toothshell

Polyschides tetraschistus (Watson, 1879) Fourtooth Toothshell

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (5.55 mm. on the top and 6.76 mm. on the bottom). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.