- RARE!! Cretaceous Mammal Jaw
- Cretaceous Age
- Hell Creek Formation
- Garfield County, Montana
- Jaw measures 1.5″ long. While there are no teeth in the jaw this is a RARE find!
These teeth and jaws are from the TINY MAMMALS that were scurrying around during the Cretaceous Period trying to avoid being eaten by small meat-eating dinosaurs and other predators.