Triassic sea reptiles left ‘paddle prints’ in the mud

June 12, 2014 1:34 AM

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Ancient swimmer foraged for prey on the sea floor.

Nothosaurs, one of the earliest groups of marine reptiles during the Mesozoic, 252-66 million years ago, were voracious semi-aquatic hunters with elongated bodies and paddle-like limbs. Scientists have long debated how nothosaurs propelled themselves through the water: Did they row along with a back...

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