Castor canadensis, beaver brain endocast Oviraptor Feathered Family

Feathered Family

Morrison Formation of Moffat County

a schoolboy who would later become a professor of metamorphic petrology

though immature

" The question of what these fossils are is still not settled to everyone's satisfaction

Castor canadensis, beaver brain endocast Oviraptor Feathered FamilyThis is a brain endocast of the 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