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Plesiosauroidea

Plesiosauroidea (plesiosaurs) Suborder of aquatic reptiles which enter the fossil record in the late Triassic, and which are common in many Jurassic and Cretaceous sediments. In appearance they were likened by Buckland to ‘a snake strung through the body of a turtle’, and some grew up to 15 m in length. There were also short-necked types, as well as the swannecked. The former are defined as the superfamily Plesiosauroidea (e.g. Plesiosaurus and Muraenosaurus), the latter as the superfamily Pliosauroidea (e.g. Pliosaurus and Trinacromerum), the two superfamilies making up the suborder.

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"Plesiosauroidea." A Dictionary of Earth Sciences. . Encyclopedia.com. 28 Apr. 2017 <http://www.encyclopedia.com>.

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"Plesiosauroidea." A Dictionary of Earth Sciences. . Retrieved April 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/plesiosauroidea

plesiosaurus

plesiosaurus one of a genus of extinct marine reptiles. XIX. f. Gr. plēsíos near + saúros lizard.

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"plesiosaurus." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 28 Apr. 2017 <http://www.encyclopedia.com>.

"plesiosaurus." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (April 28, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/plesiosaurus

"plesiosaurus." The Concise Oxford Dictionary of English Etymology. . Retrieved April 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/plesiosaurus

Plesiosauroidea

Plesiosauroidea See PLESIOSAURIA.

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"Plesiosauroidea." A Dictionary of Zoology. . Encyclopedia.com. 28 Apr. 2017 <http://www.encyclopedia.com>.

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"Plesiosauroidea." A Dictionary of Zoology. . Retrieved April 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/plesiosauroidea-0

plesiosaurs

plesiosaurs See PLESIOSAUROIDEA.

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"plesiosaurs." A Dictionary of Earth Sciences. . Encyclopedia.com. 28 Apr. 2017 <http://www.encyclopedia.com>.

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"plesiosaurs." A Dictionary of Earth Sciences. . Retrieved April 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/plesiosaurs

plesiosaurs

plesiosaurs See PLESIOSAURIA.

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"plesiosaurs." A Dictionary of Zoology. . Encyclopedia.com. 28 Apr. 2017 <http://www.encyclopedia.com>.

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"plesiosaurs." A Dictionary of Zoology. . Retrieved April 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/plesiosaurs-0