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Dimetrodon (meaning two-measure teeth) was a sail-backed
giving it a potential Upper Cretaceous-Oligocene stratigraphic range
It cost 700 UK Pounds - a small fortune in those times
It had a big head
The photos show a sample kit collection and is not the exact collection you will receive
Castor canadensis, beaver brain endocast Pachycephalosaurus Dimetrodon (meaning two-measure teeth) wasThis 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
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