Vitricythara lavalleeana (d'Orbigny, 1847) Lavallee's Mangelia

[+ V. metria (Dall, 1903); type of Vitricythara Fargo in Olsson and Harbison, 1953 by O.D.]

Scanning electron micrographs (SEM)

Vitricythara lavalleeana (d'Orbigny, 1847) Lavallee's Mangelia

Vitricythara lavalleeana (d'Orbigny, 1847) Lavallee's Mangelia

Vitricythara lavalleeana (d'Orbigny, 1847) Lavallee's Mangelia

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (3.98 mm. on the top and 4.52 mm. on the bottom). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.