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Scientists Discover Theropod Dinosaur Wounded in Southern Utah

Author:Zanno LE Date:10/11/2011 11:27:08 PM

Scientists Discover Rare Theropod Dinosaur Wounded in Southern Utah

ScienceDaily (Sep. 21, 2011)
 — Raptor dinosaurs like the iconic Velociraptor from the movie franchise Jurassic Park are renowned for their "fear-factor." Their terrifying image has been popularized in part because members of this group possess a greatly enlarged talon on their foot -- analogous to a butcher's hook. Yet the function of the highly recurved claw on the foot of raptor dinosaurs has largely remained a mystery to paleontologists. This week a collaboration of scientists unveil a new species of raptor dinosaur discovered in southern Utah that sheds new light on this and several other long-standing questions in paleontology, including how dinosaurs evolved on the "lost continent" of Laramidia (western North America) during the Late Cretaceous -- a period known as the zenith of dinosaur diversity.