tetanuran

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tet·a·nur·an

 (tĕt′ə-no͝or′ən)
n.
Any of various theropod dinosaurs of the group Tetanurae of the Jurassic and Cretaceous Periods, characterized by a stiff tail and large grasping hands with three digits, and including the carnosaurs and coelurosaurs.

[From New Latin Tetanūrae, group name : Greek tetanos, rigid; see ten- in Indo-European roots + Greek ourā, tail; see ors- in Indo-European roots.]

tet′a·nur′an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
However, Monolophosaurus and Chuandongocoelurus show an intriguing combination of derived, tetanuran synapomorphies and primitive features shared with non-tetanurans, which together suggest a basal position within Tetanurae (Zhao et al., 2010).
(2002): Discovery of megalosaur (Dinosauria, Theropoda) in the middle Bathonian of Normandy (France) and its implications for the phylogeny of basal Tetanurae. Journal of Vertebrate Paleontology, 22: 548-563.