Crinoid calyx

Submitted by: Joseph Koniecki
Taxon: Dolatocrinus asterias
Submit date: 2021-06-24
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: Crinoid calyx with crinoid holdfast attached to tegmen.

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