Genuine Permian Age Dimetrodon Synapsid Tooth From Texas For Sale #1a
Dimetrodon meaning “two measures of teeth,” is an extinct genus of non-mammalian synapsid that lived during the Early Permian, around 295–272 million years ago. It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large neural spine sail on its back formed by elongated spines extending from the vertebrae.