Submitted by: John Topor
Taxon: Bactrites arkonensis
Submit date: 2008-03-02
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: A common, straight cephalopod from the Arkona Formation. They are pyritic internal molds with suture lines showing the chambers. They are most common from the Pyrite Zone. The average length in the photo is 20mm.