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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Pterotocrinus Crinoid Fossil

The fossil pictured appears to be a Pterotocrinus depressus crinoid calyx. It was found in the Glen Dean Formation of Grayson County, Kentucky, USA. The fossil is about 2 cm wide. This animal dates to Chesterian, Upper Mississippian Period. Thanks to Kenny for the image.

Stratigraphy.net | Impressum
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