Submitted by: Alexander Brown
Taxon: Hexagonaria percarinata
Submit date: 2014-11-22
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Traverse Formation
Age: Erian (Middle Devonian)
Submitter notes: A complete colony measuring 150mm in length, 104mm wide, and 74mm thick. Found near Alpena. The photo shows the top view with a side view beneath it.