"What Is It???" Wednesday: JAWS (dunnuh...dunnha)

Yesterday we had an artifact donated to our center for our educational programs, a lower jaw of a sizable animal.

WHAT IS IT???

And thanks to James Fiske and others who chimed in on our last WIIW:  Conserved chainmail found at the Hernando de Soto Winter Encampment site in Tallahassee.