Submitted by: ummp invertebrate paleontology
            
            Taxon:  Stropheodonta n. sp.
            
            Submit date: 2009-02-07
            
            Location (approximate): , Alpena, MI
            
            Stratigraphy: Ferron Point Formation
            
            Age: Erian (Middle Devonian)
            
            Submitter notes: The largest specimen is 3 cm across.  These are from the Raymond Hibbard Collection. Rockport Quarry