Fossils of ‘sea monster’

Fossils of ‘sea monster’

Fossils of ‘sea monster’ found in Antarctica reveal it was heaviest of its kind

Scientists have found the fossils of the heaviest known elasmosaur, an ancient aquatic reptile that swam the seas during the Cretaceous period alongside the dinosaurs, in Antarctica. The animal would have weighed as much as 15 tons, and it is now one of the most complete ancient reptile fossils ever discovered in Antarctica. Elasmosaurs make up a family of the plesiosaurs, which represent some of the largest sea creatures of the Cretaceous. Plesiosaurs generally look a little like large manatees with giraffe necks and snake-like heads, though they have four flippers rather than a manatee’s three.

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