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• n  extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous

• The lake monster, like that of Loch Ness, is supposed to be akin to a plesiosaur, a kind of a long-necked aquatic dinosaur thought to have been an herbivore.

• plesiosaurus

News & Articles

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• Rare fossil of late Cretaceous plesiosaur discovered
  Researchers have discovered the fossilized remains of an elasmosaur. A subgroup of the late Cretaceous plesiosaurs, the elasmosaurid plesiosaurs are recognized by their large body size and shape. This find is only the second elasmosaurid specimen containing more than one or two bones found in Alabama.
  July 16, 2013 - Science Daily