Crinoid calyx and stem still in matrix. Hopefully, some prep work will reveal much more of this fossil covered by rock matrix.
Thursday, February 4, 2010
Kope Formation Crinoid Calyx
Finally I have found an Ordovician Period crinoid calyx. This calyx is from the Kope Formation of Carroll County, Kentucky. I am not sure on its identification, the Dry Dredgers of Cincinnati, Ohio have a good guide on Ordovician crinoids. Their site shows a number of fossils that look like it found in the Kope: Cincinnaticrinus varibrachialus, Merocrinus, and Ectenocrinus simplex.
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