Allosaurus, brain endocast Ankylosaurus rex skeleton

rex skeleton

Despite being smaller than the Berlin specimen

This would also account for the random angles that the shells are found at within the mud balls when they are broken

photographs

Location: Utah Late Jurassic

Allosaurus, brain endocast Ankylosaurus rex skeletonThis is a brain endocast of Allosaurus. 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 computerized