Submitted by: Pat Rutkowski
Taxon: Pseudorthoceras sp.
Submit date: 2008-11-24
Location (approximate): Grand Ledge, Eaton, MI
Stratigraphy: Saginaw Formation
Age: Pottsville (Early Pennsylvanian)
Submitter notes: A rare nautiloid from the Pennsylvanian of Michigan. The specimen measures 2.2 inches x .6 inches.