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Dinosaur Discovery on MSN3d
Bizarre Reptiles of The Triassic Period ¦ The Age of Reptiles; Dinosaur DocumentaryTwo hundred and fifty one million years ago, the worst mass extinction event Planet Earth has ever seen ruined the life of ...
The end-Permian mass extinction, also known as the "Great Dying," took place 251.9 million years ago. At that time, the supercontinent Pangea was in the process of breaking up, but all land on ...
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