Submitted by: Mary Ann Szwabowski
            
            Taxon:  Hybodontiformes 
            
            Submit date: 2021-02-19
            
            Location (approximate): Napoleon, Jackson, MI
            
            Stratigraphy: Marshall Formation
            
            Age: Osagean (Early Mississippian)
            
            Submitter notes: This specimen from the lower Marshall Formation measures 2-1/2" long