Submitted by: David Thompson
Taxon: Pithocrinus cooperi, Platyceras rarispinium
Submit date: 2011-05-03
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: This view is directly onto the tegmen showing the position of the gastropod and remaining arm bases.