Submitted by: Joseph Koniecki
Taxon: Platyceras indianaensis
Submit date: 2015-11-07
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Genshaw Formation
Age: Erian (Middle Devonian)
Submitter notes: This is the second of this species that I have found from the Alpena area. This one however is from the Genshaw Fm. whereas the previous was form the Thunder Bay Fm. The specimen is 3.5 cm across.