Submitted by: Joseph Koniecki
            
            Taxon:  Palaeoneilo sulcatina
            
            Submit date: 2011-08-05
            
            Location (approximate): , Jackson, MI
            
            Stratigraphy: Marshall Formation
            
            Age: Osagian (Early Mississippian)
            
            Submitter notes: The upper pelecypod is 3 cm across.