Submitted by: Mike Palescuk
Taxon: Megistocrinus sphaeralis
Submit date: 2010-12-28
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: Photo 2 of 3, tegmen (top) view 1-3/4' (45mm) diameter.