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Jurassic National Monument, at the site of the Cleveland-Lloyd Dinosaur Quarry, well known for containing the densest concentration of Jurassic dinosaur fossils ever found, is a paleontological site located near Cleveland, Utah, in the San Rafael Swell, a part of the geological layers known as the Morrison Formation.
Between 1909 and 1923 millions of tons of rocks and fossils had been excavated from the Dinosaur National Monument area. [20] In 1958, the Dinosaur National Monument quarry building was finally completed. [19] Later, in 1988, the Jurassic dinosaur Allosaurus fragilis was designated the Utah state fossil.
Dinosaur National Monument is an American national monument located on the southeast flank of the Uinta Mountains [4] on the border between Colorado and Utah at the confluence of the Green and Yampa rivers. Although most of the monument area is in Moffat County, Colorado, the Dinosaur Quarry is located in Utah, north of the town of Jensen, Utah.
Life restoration of the Late Jurassic theropod dinosaur Allosaurus †Allosaurus †Allosaurus fragilis †Alphadon †Alphadon attaragos †Alphadon eatoni – type locality for species †Alphadon halleyi †Alphadon marshi – or unidentified comparable form †Alphadon sahnii †Amblotherium †Ameribaatar – type locality for genus
The Armored Dinosaurs. Indiana University Press. pp. 76–102. ISBN 978-0-253-33964-5. Carpenter, K. and Wilson, Y. 2008. A new species of Camptosaurus (Ornithopoda: Dinosauria) from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah, and a biomechanical analysis of its forelimb. Annals of the Carnegie Museum 76:227-263.
This is a list of U.S. state dinosaurs in the United States, including the District of Columbia.Many states also have dinosaurs as state fossils, or designate named avian dinosaurs (List of U.S. state birds), but this list only includes those that have been officially designated as "state dinosaurs".
This list of the Mesozoic life of Utah contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Utah and are between 252.17 and 66 million years of age.
Single tooth fossil of pycnodont fish is represented from Dinosaur National Monument in Utah, [9] found in stratigraphic zone 4. [8] Dipnoan remains found at a fossil site not far from Cañon City, Colorado. [7] Remains usually in a state of rather complete preservation. [7]