Exceptional Diadectes Tooth, Permian Texas Red Beds

0.53" (1.35 cm) tall Diadectes tooth from the Texas Red Beds (Bell Plains Formation) of Clay County, Texas. From the Permian period, this synapsid is about 287 million years old.

Diadectes is neither reptile nor amphibian. It is it's own order, an order that went extinct in the Permian. This is a truly an unique animal.