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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 ...
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.
Tyrannosauropus is a dubious ichnogenus of tridactyl dinosaur footprint from the Campanian of the Late Cretaceous of North America. Tyrannosauropus was named for a collection of footprints discovered on the ceiling of a cave in Utah which were suggested to have been made by Tyrannosaurus and informally labelled as "Tyrannosauripus" in 1924 (not to be confused with the separate, later ...
Dinosaur footprints and trackways are found in at least 50 localities in the Glen Rose, primarily at the top of the Upper Glen Rose and a smaller number at the top of the Lower Glen Rose. [30] The most famous of these sites is the Paluxy River site in Dinosaur Valley State Park near the town of Glen Rose, Texas, southwest of Fort Worth.
As of 2017, there is only one find of a possible Tyrannosaurus rex footprint, dating from 2007 and described a year later. [34] A trackway made by mid-sized theropod, possibly a small tyrannosaurid individual, was discovered in South Dakota in 1997, and in 2014 these footprints were named Wakinyantanka styxi. [35]
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This sudden change in growth rate may indicate physical maturity, a hypothesis that is supported by the discovery of medullary tissue in the femur of an 18-year-old T. rex from Montana (MOR 1125, also known as "B-rex"). [51] Medullary tissue is found only in female birds during ovulation, indicating that "B-rex" was of reproductive age. [52]
Charles Robert Knight (October 21, 1874 – April 15, 1953) was an American wildlife and paleoartist best known for his detailed paintings of dinosaurs and other prehistoric animals.