Retusa sulcata (d’Orbigny, 1841) Sulcate Barrel-bubble

Scanning Electron Micrographs (SEM)

Retusa sulcata (d’Orbigny, 1841) Sulcate Barrel-bubbleRetusa sulcata (d’Orbigny, 1841) Sulcate Barrel-bubble

   Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (1.48 mm. on the left and 1.70 mm. on the right). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL.

Retusa species

Retusa species

   Culled from grunge collected from a mangrove beach on the Jupiter Sound (Indian River) shore of Coral Cove Park (just S of Blowing Rock Preserve) by Rick Edwards on 4/27/2021 (2.27 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. of Geological Sciences, University of Florida, Gainesville, FL.