Ursus americanus, black bear brain endocast Dimorphodon fully toothed jaws and long

fully toothed jaws and long tails

It lived in Late Cretaceous times in the Patagonian region of Argentina

This skull was found in 1945 by George Sternberg in western Kansas

Most dicynodonts chopped up food by sliding their lower jaws backward and forward

The skull is 70

Ursus americanus, black bear brain endocast Dimorphodon fully toothed jaws and longThis is a brain endocast of the The American black bear. An endocast or endocranial cast is a cast made of the mold formed by the impression the brain makes on the inside of the neurocranium (braincase), providing a replica of the brain with most of the details of its outer surface. Endocasts can also form naturally, when sediments fill the empty skull, after which the skull is destroyed and the cast fossilized. Scientists are increasingly utilizing