Triassic sea reptiles left ‘paddle prints’ in the mud

June 12, 2014 1:34 AM

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Triassic sea reptiles left ‘paddle prints’ in the mud

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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