| Rissoina angeli Espinosa and Ortea, 2002 | |
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| In shell grit taken by SCUBA from a depth of 69 feet off Boynton Beach, FL. Digital image by David Kirsh. | |
| Scanning Electron Micrographs (SEM) | |
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| Kice Island, Collier County, Florida (4.13 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. | |