CRINOID CALYX SHOWING SPINES

Submitted by: Margi Chriscinske
Taxon: Pithocrinus cooperi
Submit date: 2014-11-22
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: A fine specimen showing spines on the tegmen and anal plates. Many stubs of broken spines are visible. The calyx measuring 42mm in diameter and 36mm in height has some matrix attached. The two views show an angled view of the anal and side view with the basal view to the right.

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