AverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaEutyrannosauriaLate CretaceousNeotheropodaNorth AmericaOrionidesPantyrannosauriaSaurischiaTetanuraeTheropodaTyrannoraptoraTyrannosauridaeTyrannosaurinaeTyrannosauroidea

Tyrannosaurus imperator

Dinosaur: Tyrannosaurus imperator

Length*:12.3 m40.4 ft
Weight*:9.2 tons20,283 lb
Speed:22 km/h14 mph
ESR: 4 / 4 (estimated size reliability)
*The largest known specimen



References: Paul GS, Persons WS, Van Raalte J (2022). "The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus".


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