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He led the team that excavated "Sue", one of the largest and most complete specimens of Tyrannosaurus rex, which was the subject of a legal dispute resulting in its seizure and public auction. In 1996, Larson was convicted of customs violations related to failing to declare money he had brought from overseas, and served 18 months in prison.
At present, two species of Tyrannosaurus are considered valid; the type species, T. rex, and the earlier in age and more recently discovered T. mcraeensis. As the archetypal theropod, Tyrannosaurus has been one of the best-known dinosaurs since the early 20th century and has been featured in film, advertising, postal stamps, and many other media.
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. [54] 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.
A 1997 episode of the PBS show Nova, "Curse of the T. Rex", discussed the history of the discovery and ensuing legal challenges. [ 28 ] [ 56 ] The 1998 4-episode television special Dinosaurs: Inside and Out extensively discussed Sue, mentioning the now-disproven theory that it was killed by a bite to the back of the head by another T. rex ...
The eye-sockets of T. rex faced mainly forwards, giving it good binocular vision. The eye-sockets of Tyrannosaurus are positioned so that the eyes would point forward, giving them binocular vision slightly better than that of modern hawks. While predatory theropods in general had binocular vision directly in front of their skull, tyrannosaurs ...
Tyrannosauripus is an ichnogenus of dinosaur footprint. It was discovered by geologist Charles "Chuck" Pillmore in 1983 and formally described by Martin Lockley and Adrian Hunt in 1994. [ 1 ] This fossil footprint from northern New Mexico is 96 cm long and given its Late Cretaceous age (about 66 million years old), it very likely belonged to ...
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Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives.