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With a length of 12.1-12.2 meters, AMNH 5027 was discovered and excavated in 1908 by Barnum Brown in Montana, and described by Osborn in 1912 and 1916. At the time of discovery, a complete cervical (neck vertebrae) series for Tyrannosaurus was not previously known, so it was this specimen that brought the short, stocky tyrannosaur neck to light.
Tyrannosaurus: AMNH 5027: American Museum of Natural History: New York: New York: USA: Skeleton, mounted (copy) Tyrannosaurus: AMNH 5027 (copy) Denver Museum of Nature and Science: Denver: Colorado: USA: Skeleton, mounted (copy) Tyrannosaurus: AMNH 5027 (copy) Academy of Natural Sciences of Drexel University: Philadelphia: Pennsylvania: USA ...
Tyrannosaurus (/ t ɪ ˌ r æ n ə ˈ s ɔː r ə s, t aɪ-/) [a] is a genus of large theropod dinosaur. The type species Tyrannosaurus rex (rex meaning 'king' in Latin), often shortened to T. rex or colloquially T-Rex, is one of the best represented theropods.
With the possible exception of Raptorex, [17] it is widely assumed that the Asian specimens are early growth stages of Tarbosaurus, [18] [19] [20] whereas the North American specimens are those of Tyrannosaurus. [21] [22] Skeletal diagrams showing holotype remains of Lythronax (A) and a Teratophoneus specimen (B). N–P show selected bones of ...
The Late Cretaceous tyrannosaurids ranged from the 9 meters (30 feet) Albertosaurus and Gorgosaurus to Tyrannosaurus, which exceeded 12 meters (39 feet) in length and may have weighed more than 6,400 kilograms (7 short tons). [1]
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Articles related to the Tyrannosauroidea ("tyrant lizard forms"), a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives.