Prosauropoda

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Prosauropoda

[‚prä·sȯ′räp·əd·ə]
(paleontology)
A division of the extinct reptilian suborder Sauropodomorpha; they possessed blunt teeth, long forelimbs, and extremely large claws on the first finger of the forefoot.
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 It might be outdated or ideologically biased.

Prosauropoda

 

a suborder of fossil reptiles of the order Saurischia that lived in the Triassic. Prosauropods ranged in length from 2 m to greater than 6 m. The reptiles were an intermediate group between the Theropoda and the Sauropoda. Prosauropods had a relatively small head. The neck and tail were longer than in Theropoda but considerably shorter than in Sauropoda. The forelegs in some species were half as long as the hind legs; in others they were two-thirds as long as the posterior ones. Although they predominantly used bipedal locomotion, prosauropods apparently were also able to move on all fours. Their teeth were rather small, homogeneous, and thickened in the middle. Prosauropods possibly were omnivorous but fed predominantly on plant substances. Remains have been found in North America, southern Africa, Europe, and Asia (China). A typical representative of Prosauropoda was Plateosaurus.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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In addition, a mandibular ramus of Clevosaurus was found associated with the gastroliths (PEO, personal observation), which led Barrett (2000) to argue that 'prosauropods' were omnivorous.
Two partial jaws come from goat-size, plant-eating dinosaurs belonging to a group known as prosauropods. Paleontologists view prosauropods as the first dinosaurs to succeed over a wide territory.
Besides the crested theropod, Hammer and his colleagues also discovered the foot of a prosauropod dinosaur and the arm of a flying reptile called a pterosaur.
In close proximity, a prosauropod left behind an impression of its skin to captivate our imaginations.
There's also a dinosaur-related time line that shows the evolution of plant and animal life as long ago as 250 million years during the Triassic period, when the first dinosaurs began to appear in the form of herds of prosauropods. During the Jurassic period about 150 million years ago - remember the Jurassic Park movie - Earth's climate became wetter and warmer, giving rise to lush plant growth that made the dinosaur age, with its vast array of creatures, possible.