Carychium nannodes G. Clapp, 1905 File Thorn |
Scanning Electron Micrograph (SEM) |
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Drift, Paint Rock River system, Estill Fork, 1 mi N. Estillfork, Jackson County, Alabama (1.37 mm.). Bob Winters! 3 January, 2016. Specimen culled by H. G. Lee, and SEM produced in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. .Also see: Carychium nannodes G. Clapp, 1905 File Thorn and the Florida fossils illustrated below. |
Carychium sp. aff. C. floridanum G. Clapp, 1918 cf. Florida Thorn |
Scanning Electron Micrographs (SEM) Of Fossil Specimens |
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Possibly a diminutive ancestor of C. floridanum with a more oval-oblique aperture with weaker dentition, less callused peristome, more convex whorls/deeper sutures, and more tapered early spire. Dig in Orlando, Orange County, Florida exposing the Nashua Formation (Plio-early Pleistocene). SEMs produced by H. G. Lee in collaboration with Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. |