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Allosaurus, brain endocast DimorphodonThis 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
The last of the trilobites disappeared in the mass extinction at the end of the Permian about 250 million years ago (m
but possessed a "gliding reflection" bilateral symmetry
Despite being smaller than the Berlin specimen
was a root-like structure by which it was attached to the sea bottom
The antiarch�s (most commonly represented by Bothriolepis)
The species displayed several bizarre features
a boomerang shaped head and a long slender body
000 species of trilobites
This is the largest Ammonite cast available on the web
Scientific Name: Apatosaurus luisae Location: Colorado
It was not until other
Within the fringe subculture of cryptozoology Bigfoot is considered a cryptid