Castor canadensis, beaver brain endocast Alamosaurus It has been suggested that

It has been suggested that this is a separate genus

Dactylioceras has been collected from almost every continent

Lystrosaurus (meaning "shovel lizard"

paleontologists as a Lagerstatten because of the exceptional preservation of fossils and their

Castor canadensis, beaver brain endocast Alamosaurus It has been suggested thatThis is a brain endocast of a beaver. 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