Theropoda

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Theropoda

[thi′räp·əd·ə]
(paleontology)
A suborder of carnivorous bipedal saurischian reptiles which first appeared in the Upper Triassic and culminated in the uppermost Cretaceous.
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 It might be outdated or ideologically biased.

Theropoda

 

a suborder of saurischian dinosaurs. The suborder embraced more than ten families, which were united in two superfamilies (or infraorders): Coelurosauria and Carnosauria. Coelurosaurs, relatively small in size, had developed anterior extremities and a rather small skull; late forms lacked teeth. Carnosaurs, giant predators with reduced anterior extremities, had a huge skull and powerful teeth.

Theropods were the principal group of terrestrial predatory vertebrates of the Mesozoic (Middle Triassic to the end of the Cretaceous). Some may have fed on social insects, such as termites and ants, or even on the fruits of trees. They walked on two legs. Remains of theropods are known from Mesozoic deposits of all continents; in the USSR, remains have been found in Kazakhstan, Middle Asia, and Transbaikalia.

REFERENCE

Osnovy paleontologii: Zemnovodnye, presmykaiushchiesia i ptitsy. Moscow, 1964.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
He confirms that it's a rib from a small dinosaur, but says he'll have to excavate it to see if it's a sauropod or therapod. As he wanders nearby, more pieces of bone come to light.
According to Full, agile therapods like the velociraptor depicted in the movie 'Jurassic Park' may also have used their tails as stabilizers to prevent forward pitch.
The T Rex was the largest of all the `lizard-hipped' carnivorous dinosaurs known as therapods, growing up to 14m long, 5m tall and weighing up to five tonnes.
The T-Rex was the largest of all the "lizard-hipped" carnivorous dinosaurs known as therapods, growing up to 14m long, 5m tall and weighing up to five tonnes.