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Name:
Cosmetocrinus sp.
Age: Mississippian
Formation: Fraileys Formation
Location: Anna, Illinois
Size: Crinoid is 1.4 inches long.
This specimen is not for sale
Click here for similar specimens that are for sale
Here is an unusual crinoid from Anna, Illinois. This is Cosmetocrinus sp. from the Fraileys Formation. This site has been closed to collecting for a number of years. This inadunate crinoid has a very small cup and long, uniserial arms that branch several times. This specimen exhibts fine detail - the plate structure is well defined and the arms display many of the small pinnules. The cream-colored "sea lily" contrasts nicely with the yellowish matrix. It is well positioned on the natural plate of shale that is loaded with bryozoans. This is a very good example of this unusual crinoid from a site that is no longer collectable.
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