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Montana's T. rex (also known as "Peck's rex", "Peckrex", "Rigby's rex" and Tyrannosaurus "imperator") is the nickname given to a fossil specimen found in Montana in 1997. [56] The discovery was made by Louis E. Tremblay on 4 July 1997 working under the supervision of J. Keith Rigby Jr. who led the excavation and bone preparation.
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.
The creature's appearance – "big crests on their skulls, a beak, no teeth, and a very bird-like skeleton" [8] – and its discovery in the Hell Creek Formation led to it being jokingly nicknamed the "chicken from hell". Matthew Lamanna, who devised the species' name, originally wanted to use a Latin or Greek version of "chicken from hell".
On August 12, 1990, Susan Hendrickson -- a fossil hunter -- discovered three huge bones protruding out of a cliff near Faith, South Dakota. Those burned turned out to be part of the largest ever T ...
Three North Dakota schoolboys made a larger-than-life discovery when they stumbled across a T rex skeleton during a hike.. Two young brothers and their cousin were wandering through a fossil-rich ...
In 2000, teams led by Horner discovered five specimens of T. rex and three more the following summer, including one larger than the specimen nicknamed "Sue". The new fossil was 10% larger than other specimens and estimated to weigh 10–13 tons in life. [3]
Sue the T. rex: Tara [23] Palm Beach Museum of Natural History Tyrannosaurus: Tinker [204] [205] The Journey Museum and Learning Center [206] [207] Tyrannosaurus: Most complete juvenile T. rex skeleton found to date. Tinker the T. rex: Thanatos [208] TMP 2010.5.7 [209] Royal Tyrrell Museum of Palaeontology: Thanatotheristes degrootorum ...
T. rex was fully grown at around 18-21 years. Perhaps the largest-known Tyrannosaurus, a specimen named Sue at the Field Museum in Chicago, is 40-1/2 feet (12.3 meters) long.