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Stygivenator molnari. (Paul, 1988a emend Paul, 1990) Olshevsky, 1995. Tyrannosaurus ( / tɪˌrænəˈsɔːrəs, taɪ -/) [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.
T. rex bust on display at the Whiteside Museum of Natural History in Seymour, Texas. Like other tyrannosaurids, Tyrannosaurus rex is known to have been carnivorous due primarily to the shape of the teeth. A study conducted by Miriam Reichel of the University of Alberta found that the tyrannosaurs' dissimilar teeth had different uses depending ...
The skeleton of Montana's T. rex includes a relatively complete skull with jaws, multiple vertebrae of the back and tail, a well preserved gastralium, and hipbone with complete ischium and pubis. The left hindleg is relatively complete with a 1.2-meter-long (3.9 ft) femur, missing only some toe bones.
Trix (dinosaur) Trix is a Tyrannosaurus rex specimen excavated in 2013 in Montana, United States by a team of paleontologists from the Naturalis Biodiversity Center in Leiden, the Netherlands and Black Hills institute of Geological Research in South Dakota. This Tyrannosaurus, over thirty years old – the oldest known Tyrannosaurus specimen ...
Tyrannosaurus rex Phylogeography [ edit ] In 2018 authors Rafael Delcourt and Orlando Nelson Grillo published a phylogenetic analysis of Tyrannosauroidea which incorporated taxa from the ancient continent of Gondwana (which today consists of the southern hemisphere), such as Santanaraptor and Timimus , whose placement in the group has been ...
Herculano-Houzel’s analysis posited that T. rex brains occupied most of their brain cavity, analogous to that of the modern-day ostrich. But dinosaur brain cases more closely resemble those of ...
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