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Andiva and Ovatoscutum
forming a basket
Family Rhinocerotidae
Megalodon teeth could be up to 7 inches long and come from jaws 7 feet across
The teeth were so closely packed that they formed a comb
Castor canadensis, beaver brain endocast Pachycephalosaurus Andiva and OvatoscutumThis 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