Submitted by: David Thompson
Taxon: Antholites alpenensis
Submit date: 2009-06-03
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: Another view of the reverse side of coral just shown. Again this is with a dark background to highlight detail of the coral. A bit of the crinoid stem is visible at the top of the image