Submitted by: Michael Lask
Taxon: Dunkleosteus sp.
Submit date: 2015-12-20
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Paxton Formation
Age: Chautaquan (Late Devonian)
Submitter notes: Dunkleosteus sp., Antrim Shale, Traverse Group, Paxton Quarry, Alpena, Michigan (Devonian) - 326 mm long (over a foot!) This is a section of the left, lower inferognathal element (part of the lower jaw). Collected and prepared by Patricia Rutkowski. She recovered part of it in 1994 and another part in 1998.