Inland Venice,FL. Pleistocene material. Removing matrix from specimen that I thought was Equus jaw. Several confirmed teeth from this 2’ x 2’ square. During removal, I found this. Before I continue removing matrix, looking for identification of this osteoderm. I have also found (jet black) alligator jaw piece approximately 10’ feet away. Thanks in advance. I am also looking for feedback on whether to continue removing matrix or display fossils in matrix.