Sauropterygians

Nothosauria

Nothosauria (nothosaurs; subclass Archosauria, order Sauropterygia) A suborder of marine reptiles that flourished during the Triassic. They possessed long necks and their limbs were adapted to swimming. Nothosaurus is one of several genera and one of the species referred to it was the last of the line. The nothosaurs were replaced by the plesiosaurs (Plesiosauroidea) in the Early Jurassic.

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MICHAEL ALLABY. "Nothosauria." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Nothosauria." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Nothosauria.html

MICHAEL ALLABY. "Nothosauria." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Nothosauria.html

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Nothosauria

Nothosauria (nothosaurs; order Sauropterygia) Suborder of marine reptiles that flourished during the Triassic. They possessed long necks, and their limbs were adapted to swimming. The nothosaurs were replaced by the plesiosaurs in the Early Jurassic.

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AILSA ALLABY and MICHAEL ALLABY. "Nothosauria." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Nothosauria." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-Nothosauria.html

AILSA ALLABY and MICHAEL ALLABY. "Nothosauria." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Nothosauria.html

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Sauropterygia

Sauropterygia (class Reptilia, subclass Euryapsida) An extinct reptilian order, that comprises the suborders Plesiosauria (plesiosaurs) and Nothosauria (nothosaurs).

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MICHAEL ALLABY. "Sauropterygia." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Sauropterygia." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Sauropterygia.html

MICHAEL ALLABY. "Sauropterygia." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Sauropterygia.html

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Sauropterygia

Sauropterygia (subclass Archosauria) An extinct reptilian order, that comprises the two suborders Plesiosauria (plesiosaurs) and Nothosauria (nothosaurs).

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AILSA ALLABY and MICHAEL ALLABY. "Sauropterygia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Sauropterygia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-Sauropterygia.html

AILSA ALLABY and MICHAEL ALLABY. "Sauropterygia." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Sauropterygia.html

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nothosaurs

nothosaurs See NOTHOSAURIA.

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AILSA ALLABY and MICHAEL ALLABY. "nothosaurs." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "nothosaurs." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-nothosaurs.html

AILSA ALLABY and MICHAEL ALLABY. "nothosaurs." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-nothosaurs.html

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