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The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone , sandstone , siltstone , and limestone and is light gray, greenish gray, or red.
The distinctive banding of the Morrison Formation, a group of rock layers that occur throughout Dinosaur National Monument and the source of fossils like those found at the Dinosaur Quarry. The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment ...
Oklahoma was a terrestrial environment for most of the ensuing Mesozoic era. [3] The Late Triassic Dockum Group of western Oklahoma preserved remains of archosaurs and temnospondyls, although its fossil record is restricted to a narrow region of the panhandle and is far sparser than the equivalent records in Texas, New Mexico, and Arizona. [98]
The Late Jurassic Morrison Formation is found in several U.S. states, including Colorado, Utah, Wyoming, Montana, New Mexico, Oklahoma, South Dakota, and Texas. It is notable as being the most fertile single source of dinosaur fossils in the world. The roster of dinosaurs from the Morrison is impressive.
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.
Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus †Acrocanthosaurus – type locality for genus †Acrocanthosaurus atokensis – type locality for species †Albanerpeton †Albanerpeton arthridion †Allosaurus – type locality for genus †Allosaurus fragilis – type locality for species; Ammobaculites
A Virginia family of four who dedicated their lives to figure skating and each other were among the victims who died in Wednesday's devastating plane crash near Reagan National Airport.. Business ...
Morrison is a town in southeastern Noble County, Oklahoma, United States. The population was 733 at the 2010 census, an increase from the figure of 636 in 2000. The population was 733 at the 2010 census, an increase from the figure of 636 in 2000.