Submitted by: Joseph Koniecki
Taxon: Platyceras conicum
Submit date: 2008-02-17
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: It is interesting to note that Platyceras in not listed in either the checklist for the Traverse Group or Alpena book (Ehlers and Kesling 1970). Its occurrence should not be a surprise.