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Tyrannosaurus rex

Tyrannosaurus
Temporal range: Late Cretaceous, 68–66 Ma
Tyrannosaurus Rex Holotype.jpg
Reconstruction of the T. rex type specimen (CM 9380) at the Carnegie Museum of Natural History
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Tyrannosauridae
Subfamily: Tyrannosaurinae
Tribe: Tyrannosaurini
Osborn, 1906
Genus: Tyrannosaurus
Osborn, 1905
Type species
Tyrannosaurus rex
Osborn, 1905
Synonyms

Tyrannosaurus (/tˌrænəˈsɔːrəs/ or /tˌrænəˈsɔːrəs/, meaning "tyrant lizard", from the Ancient Greek tyrannos (τύραννος), "tyrant", and sauros (σαῦρος), "lizard") is a genus of coelurosaurian theropod dinosaur. The species Tyrannosaurus rex (rex meaning "king" in Latin), is one of the most well-represented of the large theropods. Tyrannosaurus lived throughout what is now western North America, on what was then an island continent known as Laramidia. Tyrannosaurus had a much wider range than other tyrannosaurids. Fossils are found in a variety of rock formations dating to the Maastrichtian age of the upper Cretaceous Period, 68 to 66 million years ago. It was the last known member of the tyrannosaurids, and among the last non-avian dinosaurs to exist before the Cretaceous–Paleogene extinction event.


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