Crinoids from Palo Pinto Co., TX

Kingdom: Animalia, Phylum: Echinodermata, Class: Crinoidea, 

On a private ranch in Palo Pinto Co., TX we found thousands of Crinoids. The ground was literally littered with crinoid stems, crinoid cups and spines. See image above. This is from the Winn formation, Pennsylvanian (c. 300mya).

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