Submitted on 2024-02-11 by Michael Lask

Location (approximate): Alpena, Alpena, MI

Strat unit: Paxton formation

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.

Photo title:

Taxa present: Dunkleosteus sp.

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