| Caecum infimum de Folin, 1867 |
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From grit collected at a depth of 69 feet off Boynton Beach, Florida (about 1.3-1.5 mm.). Digital images by David Kirsh. |
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Scanning Electron Micrographs (SEM) |
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| In shell/bryozoan hash from one fathom off the town of Cedar Key, Levy County, Florida, 5/2019 (top specimen - 1.39 mm. and bottom specimen - 1.51 mm.). SEMs produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. The fine longitudinal threads are present in the periostracum; the underlying shell itself has no particular sculpture. |
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