Crinoid Crown

Submitted by: Scott Vergiels
Taxon: Proctothylacocrinus sp.
Submit date: 2008-11-24
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: An undescribed cladid crinoid measuring 46mm in length with stem.

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