Amphithalamus rauli RolŠn, 1991 Raul’s Barleysnail

Scanning Electron Micrographs

Recent

Amphithalamus rauli RolŠn, 1991 Raulís Barleysnail

    Culled by H. G. Lee from 500 mL (2 cupfuls) unsieved grunge from within larger shells taken from a renourishment site on Phipps Ocean Park Beach, Palm Beach, Palm Beach Co., FL by Carole Marshall in April, 2021 (0.70 mm.). SEMs performed by Dr. Lee under the supervision of Dr. Ann Heatherington, Dept. Geology, University of Florida, Gainesville, FL.

Amphithalamus rauli RolŠn, 1991 Raulís Barleysnail

Dredged in 100 ft., 32 mi. E. St. Augustine, St. Johns County, Florida by Ted Yocius in 1977 (0.82 mm.)

    Scanning electron micrograph performed under the auspices of the Dept. of Invertebrates of the United States National Museum with the excellent technical assistance of Ms. Yolanda Villacampa.

Fossil

Amphithalamus rauli RolŠn, 1991 Raulís Barleysnail

    Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (0.85 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL.