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MESOSAURIA

Mesosaurus of Mesosauria is the lizard which appeared in the sea in the Permian. Mesosaurus has the tail which resembled the long body and crocodile like a snake at length 70cm thickly, and there are four feet. When a tooth of the cone type mushroomed to the chin of the top and bottom, and there was the structure that seemed to be a hinge so that the central part of the lower jaw got together and was able to open a mouth full, the power that it was impossible did not suffer from the bone of the chin.

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