Acteocina sphalera Gardner, 1937 Extinct Fossil
Scanning Electron Micrographs (SEM) of fossil specimens
Acteocina sphalera Gardner, 1937 FossilActeocina sphalera Gardner, 1937 Fossil
Acteocina sphalera Gardner, 1937 Fossil

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (top left and bottom 3.38 mm. and 3.54 mm. for the top right specimen). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.