Tyrannosaurus rex, brain endocast Alamosaurus had a wingspan of only

had a wingspan of only about 25 centimeters (9

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

There are vertical and horizontal hangers on the back

Baculites were similar to ammonites except that after about one and a half coils the shell straightened out

Tyrannosaurus rex, brain endocast Alamosaurus had a wingspan of onlyThis 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