Submitted by: Joseph Koniecki
            
            Taxon:  Mooreoceras marshallense
            
            Submit date: 2012-07-07
            
            Location (approximate): , Jackson, MI
            
            Stratigraphy: Marshall Formation
            
            Age: Osagian (Early Mississippian)
            
            Submitter notes: The plate is 23 cm across.