Crinoid Crown

Submitted by: Pat Rutkowski
Taxon: Pithocrinus cooperi
Submit date: 2008-03-12
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: A fine example of a complete crown with 165mm of stem. The crown measures 25mm x 28mm.

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