Submitted by: ummp invertebrate paleontology
            
            Taxon:  Devonaster triradiatus
            
            Submit date: 2008-12-02
            
            Location (approximate): Arkona, Lambton, ON
            
            Stratigraphy: Arkona  Formation
            
            Age: Erian (Middle Devonian)
            
            Submitter notes: There are a lot of very nice Devonasters in this archive but none more important that this one.  This is the holotype upon which the name is based. The specimen is 4 cm across.