Vitrinella helicoidea C. B. Adams, 1850 Helix Vitrinella

Vitrinella helicoidea C. B. Adams, 1850 Helix Vitrinella

Ft. Fisher, Kure Beach, North Carolina, 3/2011 (2.3 mm.) | Digital image by David Kirsh

Scanning Electron Micrographs (SEM) of fossil specimens

Vitrinella helicoidea C. B. Adams, 1850 Helix Vitrinella

Vitrinella helicoidea C. B. Adams, 1850 Helix Vitrinella

Vitrinella helicoidea C. B. Adams, 1850 Helix Vitrinella

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (top specimen 2.11 mm., middle specimen 1.37 mm. and bottom specimen 2.08 mm. in maximum diameter). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.