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Albertosaurines and tyrannosaurines share arms of about equal length, with the exception of Tarbosaurus, which had short arms for its size. [1] Size comparison of Albertosaurus with Gorgosaurus and a human. Albertosaurus was smaller than some other tyrannosaurids, such as Tarbosaurus and Tyrannosaurus.
Like albertosaurines, tyrannosaurines also had heterodont dentition, large heads design to catch and kill their prey, and short didactyl arms. Based on the growth stages of Tyrannosaurus (and possibly Tarbosaurus [20]), tyrannosaurines undergone ontogenetic changes from gracile or slender, semi-longirostrine immatures to robust, heavy-headed ...
The type species is Albertosaurus sarcophagus and the specific name is derived from the Ancient Greek term σαρκοφάγος (sarkophagos), meaning "flesh-eating", and having the same etymology as the funeral container with which it shares its name, which is a combination of the Greek words σαρξ/ sarx ("flesh") and φαγειν / phagein ...
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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 debate about whether Tyrannosaurus was a predator or a pure scavenger is as old as the debate about its locomotion. Lambe (1917) described a good skeleton of Tyrannosaurus ' s close relative Gorgosaurus and concluded that it and therefore also Tyrannosaurus was a pure scavenger, because the Gorgosaurus ' s teeth showed hardly any wear. [126]
Tyrannosaurus was named by Henry Fairfield Osborn in 1905, along with the family Tyrannosauridae. [17] The name is derived from the Ancient Greek words τυραννος tyrannos ('tyrant') and σαυρος sauros ('lizard'). The superfamily name Tyrannosauroidea was first published in a 1964 paper by the British paleontologist Alick Walker. [18]
Its name is a combination of Bloss (the name of a local fossil hunter) and awesome. [175] Bucky TCM 2001.90.1 Children's Museum of Indianapolis: Tyrannosaurus rex: Late Cretaceous: Named after Bucky Derflinger who discovered it. Bucky the T. rex: Casper Statens Naturhistoriske Museum [176] [177] Tyrannosaurus rex: Casper the T. rex: Chinley ...