Acteocina bidentata (d’Orbigny, 1841) Two-tooth Barrel-bubble

Acteocina bidentata (d’Orbigny, 1841) Two-tooth Barrel-bubble

Acteocina bidentata (d’Orbigny, 1841) Two-tooth Barrel-bubble Acteocina bidentata (d’Orbigny, 1841) Two-tooth Barrel-bubble

Big Talbot Island, Duval Co., Florida (about 2 mm.)

Scanning electron micrograph (SEM) of fossil specimen

Acteocina bidentata (d’Orbigny, 1841) Two-tooth Barrel-bubble

   Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (1.74 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.