Abrotocrinus coreyi Crawfordsville Crinoid

Abrotocrinus coreyi

Phylum Echinodermata, Class Cladida, Family Staphylinocrinidae

Geological Time: Lower Mississippian Osagean Stage (345 m.y.a)

Size: Crown: 27 mm long by 18 mm wide, stem: 38 mm;on a 66 mm by 80 mm matrix

Fossil Site: Crawfordsville, Indiana

Abrotocrinus coreyiDescription: A fine example of an Inadunate Cladid crinoid (Family Staphylinocrinidae) known as Abrotocrinus coreyi from the famous Crawfordsville crinoid beds showing an extensive section of attached stem. Preservation on this specimen is remarkably complete, down to the fine pinnules on the arms. This is fine example of the type, well positioned on its siltstone matrix.

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