Murchisonella spectrum (Mørch, 1875) Spectrum Pyram
Scanning Electron Micrographs (SEM)

    Scanning Electron Micrographs of fossil specimen from the Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (1.93 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.

Murchisonella spectrum (Mørch, 1875)

    Empty shell at the tide line, Peanut Island, Palm Beach Inlet, Palm Beach County, Florida (3 mm.). Collected and photographed by Carole Marshall.

Murchisonella spectrum (Mørch, 1875)
In shell grit taken by SCUBA from about 65 feet off Boynton Beach, Florida. Original image by David Kirsh.
Scanning Electron Micrograph
Murchisonella spectrum (Mørch, 1875)

    From sediment dredged at 100 ft., 32 mi. E St. Augustine, St. Johns County, Florida by Ted Yocius, in 1972 and sorted by H. G. Lee on 10/18/89 (1.16 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.

Murchisonella species (1.0 mm.)

Murchisonella species (1.0 mm.)

    Spoil from mining operation, SMR Aggregates Phase 10, Sarasota, Sarasota Co., Florida. Upper Tamiami Formation, Lower Pinecrest beds, Upper Pliocene ~3 MYA. H.G. Lee! 14 July, 2014. Scanning electron micrograph performed with the technical assistance of Dr. Ann Heatherington, Dept of Geology, University of Florida supported by a grant from the Sanibel-Captiva Shell Club.