Caecum strangulatum de Folin,1867

Scanning Electron Micrographs (SEM)

    Barra de Navidad, Jalisco, Mexico, Carol Skogland 12/1/1972 (2.46 mm.). Florida Museum of Natural History 350248. SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL.