Rapid rise of the Mesozoic sea dragons

Posted by on May 20, 2016 2:19 pm
Categories: Science

In the Mesozoic, the time of the dinosaurs, from 252 to 66 million years ago, marine reptiles such as ichthyosaurs and plesiosaurs were top predators in the oceans. But their origins and early rise to dominance have been somewhat mysterious.

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