Hi James. You can't attach photos to the mailing list. Can you send it to me? I'll compare to my bison antiquus. Allison On Mar 15, 2018 9:26 PM, "James Hartley" <[log in to unmask]> wrote: > This mandible was found in the Tulsa area along the Arkansas River. I > believe that it is from a bison. I also suspect that it is quite (perhaps > even Pleistocene in age, since other similar remains have been found nearby > along the same river). I would appreciate a second opinion on this matter.