Crinoid calyx

Submitted by: Joseph Koniecki
Taxon: Dolatocrinus sp.
Submit date: 2012-07-07
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: This crinoid calyx is 2.5 cm in diameter.

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