Submitted by: Joseph Koniecki
Taxon: Antholites sp.
Submit date: 2012-07-07
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: This specimen is 4 cm tall. It is a partial crinoid crown with a gastropod on top and a coral growing around its base.