Pithocrinus cooperi with Platyceras rarispinium

Submitted by: David Thompson
Taxon: Platyceras rarispinium, Pithocrinus cooperi
Submit date: 2011-05-03
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Traverse Formation
Age: Erian (Middle Devonian)
Submitter notes: Rare crinoid with gastropod attached. Complete calyx with crushed but clear gastropod and the base of several arms. The edge of the gastropod has attached around the small bumps on the crinoid tegmen

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