"Quarry No. 1 waxaa ku jira femur, pubes, humerus, saddex vertebrae iyo laba lafaha aan la cayimin ee Dinosaur Carnivorous weyn oo aan lagu sharraxin Marsh.... Weligay ma arkin wax la mid ah Cretaceous". Henry Fairfield Osborn, madaxweynaha Matxafka Taariikhda Dabiiciga ee Mareykanka, ayaa magacaabay Tyrannosaurus rex labaad ee 1905. Magaca guud wuxuu ka yimid ereyada Giriigga ee Tyrannosaurus rex (tyrannos, "tyrant") iyo Ossaurus rex (Ossaurus macnaheedu waa erayga Laatiinka ah ee Ossaurus, oo macnaheedu yahay "boqorka boqortooyada").
boqorka