Turbonilla (Chemnitzia) dalli Bush, 1899 Dall's Turbonille

Juvenile

Turbonilla (Chemnitzia) dalli Bush, 1899 (Juvenile)

Big Talbot Island State Park, Duval Co, Florida (about 5 mm.)

Scanning Electron Micrograph (SEM) Of Fossil Specimen

Turbonilla (Chemnitzia) dalli Bush, 1899 Dall's Turbonille

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (5.49 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.