Complete Crinoid Crown, side 1

Submitted by: David Thompson
Taxon: Pithocrinus cooperi
Submit date: 2012-07-04
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This complete crown although it was broken half way up was easily put back together with no loss. The crown with arms is 3 inches, (7.5 cm) high by 1.57 inches, (4. cm) wide. A ten cent piece is for scale.

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