Definition of plesiosaur
: any of an order or suborder (Plesiosauria) of large carnivorous marine reptiles of the Mesozoic with dorsoventrally flattened bodies and limbs modified into flippers
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Recent Examples of plesiosaur from the Web
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Some cryptozoologists have argued that Nessie is a plesiosaur, a type of long-necked marine reptile that lived during the age of dinosaurs.
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One of the more far-fetched theories is that Nessie is a long-necked plesiosaur that somehow survived the period when dinosaurs became extinct.
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One of the more far-fetched theories is that Nessie is a long-necked plesiosaur that somehow survived the period when dinosaurs became extinct.
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One of the more far-fetched theories is that Nessie is a long-necked plesiosaur that somehow survived the period when dinosaurs became extinct.
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Person said the plesiosaur was identified by its morphology.
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The plesiosaur to be displayed will be positioned by a mosasaur specimen.
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The paleontologist released a second paper today in the Journal of Vertebrate Paleontology detailing his research on a plesiosaur fossil, the oldest of its kind.
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Sketch renderings of plesiosaurs resemble the popular imagination of the Loch Ness Monster.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plesiosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of plesiosaur
ultimately from Greek plēsios close (akin to Greek pelas near) + sauros lizard
Learn More about plesiosaur
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See words that rhyme with plesiosaur Britannica.com: Encyclopedia article about plesiosaur
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