Submitted by: Kara Tecco
            
            Taxon:  Arthroacantha carpenteri, Platyceras arkonense
            
            Submit date: 2008-03-15
            
            Location (approximate): Arkona, Lambton, ON
            
            Stratigraphy: Arkona  Formation
            
            Age: Erian (Middle Devonian)
            
            Submitter notes: This snail was found with the crinoid calyx.