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Pycnocrinus dyeri ordovician Upper Fairview formation Maysville, Kentucky Bowl shaped calyx below secondary radials, which number 12-15 No tertiary or intertertiary areas, and the arms bifurcate and become free at the top of the vault. Classification: Animalia, Echinodermata, Crinoidea, Camerata, Monobathrida, Glyptocrinidae Pycnocrinus dyeri has a distally coiled stem that was used as an attachment around bryozoans or other erect crinoid stems. The column is composed of circular columnals with nodals separated by varying numbers of internodals.
These things are very small, my best guess is that they are well below 0.50mm. The bivalves and gastropods found in the sandstone nearby suggest that they are from the Pliocene period. There were a lot of these things found. I have researched these and found several photos but it not easy to tell which is which.