Nothosauria


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Nothosauria

[‚näth·ə′sȯr·ē·ə]
(paleontology)
A suborder of chiefly marine Triassic reptiles in the order Sauropterygia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Nothosauria

 

a suborder of extinct reptiles of the subclass Synaptosauria. They have been traced back to Triassic deposits, predominantly in Europe. Their body proportions and the structure of their limbs and girdle suggest that these reptiles were ancestors of the Plesiosauria. The Nothosauria, however, had comparatively small and flat skulls and webbed limbs that were not flipperlike. They were less adapted to aquatic life than the Plesiosauria. The Nothosauria were small, measuring up to 3 m long. They were predators and probably, in contrast to the Plesiosauria, fed on fish and other aquatic animals. Nevertheless, they were able to emerge onto dry land.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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