Allosaurus, brain endocast Dimorphodon 000 species of trilobites

000 species of trilobites

The species displayed several bizarre features

The antiarch�s (most commonly represented by Bothriolepis)

This is the largest Ammonite cast available on the web

Allosaurus, brain endocast Dimorphodon 000 species of trilobitesThis 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