Submitted by: Mike Topor
            
            Taxon:  Euryocrinus laddii
            
            Submit date: 2008-11-06
            
            Location (approximate): Arkona, Lambton, ON
            
            Stratigraphy: Arkona  Formation
            
            Age: Erian (Middle Devonian)
            
            Submitter notes: View 1: Although never formally described to the species level, this very rare crinoid from the Arkona formation is similar to the Silica formation species. It measures 20mm high and 11mm wide.