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Sunday, December 8, 2019

Rhodocrinus nodulus Crinoid Calyx Fossil


This fossil appears to be a Rhodocrinus nodulus (Hall) crinoid calyx fossil. It was found in the Jeffersonville Limestone of Jefferson County, Kentucky USA. This layer dates to the Devonian Period.

Document used to identify the fossil was Memoir 16 The Devonian Crinoids of the State of New York by Winifred Goldring, The University of the State of New York, 1923. Page 488 description of plate 2 on page 89. Specimen used to describe fossil is listed as from collection of Doctor Springer and found at Hamilton Shale of Falls of the Ohio, Louisville, Ky.

Thanks to Kenny for image and discovering this fossil.

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