Tyrannosaurus rex, brain endocast Alamosaurus which are also the oldest

which are also the oldest reliably dated Ediacaran fossils

and the teeth were restricted to the front half of the jaws

suggesting a durophagous diet (eating behavior of animals that consume hard-shelled or exoskeleton bearing organisms)

along the neck and tail that may have formed a thick

A 14-year-old boy found bones buried on his family’s ranch in Montana

Tyrannosaurus rex, brain endocast Alamosaurus which are also the oldestThis is the endocranial skull cast of the brain cavity from an adult T rex. Cretaceous Age. For all it's size and strength, T. rex was relatively small brained. The last photo shows a brin case with labeled features. Late Cretaceous (70 m. y. a.) North America Shipping Included