Submitted by: Mike Palescuk
Taxon: Heracloceras inelegans, Aulopora sp.
Submit date: 2010-04-10
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: The opposite side of the large ammonite (Goniatite) endocast with encrusting coral Aulopora. This specimen measures 7.75 inches in diameter and is 3 inches thick.