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| Scanning Electron Micrograph (SEM) of fossil Planorbella species from the Lower Pinecrest beds, Upper Tamiami Formation, Sarasota County, Florida (4.36 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. | |
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| Campeloma geniculum (Conrad, 1834) Ovate Campeloma | |
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Florida, USA |
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Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn |
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Florida, USA |
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Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn |
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Brazil |
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Notogillia wetherbyi (Dall, 1885) Alligator Siltsnail |
Elimia vanhyningiana (Goodrich, 1921) Goblin Elimia |
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Florida, USA |
Florida, USA |
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Pleurocera canaliculata (Say, 1821) Silty Hornsnail |
Pleurocera canaliculata (Say, 1821) Silty Hornsnail |
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Kentucky, USA |
Tennessee, USA |
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| Pleurocera canaliculata (Say, 1821) Silty Hornsnail |
Pleurocera canaliculata (Say, 1821) Silty Hornsnail |
| Tennessee, USA |
Tennessee, USA |
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| Pleurocera semicarinata (Say, 1829) Fine-ridged Elimia |
Pyrgophorus coronatus (L. Pfeiffer, 1840) |
| Kentucky, USA |
Jamaica |
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| Elimia albanyensis (I. Lea, 1864) Black-crest Elimia |
Tiphobia horei E. A. Smith, 1880 |
| Florida, USA |
Burundi, Africa |
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