Utahraptor

Utahraptor ostrommaysorum ("Utah thief") is the largest known member of the theropod dinosaur family Dromaeosauridae from the Barremian stage of the Lower Cretaceous period, and it was also one of the earliest. Utahraptor was the subject of the book Raptor Red by Robert T. Bakker.

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Kirkland, Gaston, and Burge discovered this dromaeosaurid in 1993 in Grand County, Utah, within the Cedar Mountain Formation. The type specimen is currently housed at the College of Eastern Utah; although Brigham Young University currently houses the largest collection of Utahraptor fossils.

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The type species, Utahraptor ostrommaysorum, was named for the American paleontologist John Ostrom, from Yale University's Peabody Museum, and Chris Mays, of Dinamation International.

Theropod: REDIRECT Theropoda...

Barremian: The Barremian faunal stage was a period of geological time between 117 and 113 million years ago. It is considered to be of the lower Cretaceous period....

Stage: Stage has several meanings:...