Tyrannosaur

(redirected from Tyrannosauridae)
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Related to Tyrannosauridae: Tyrannosaurus rex

tyrannosaurus

, tyrannosaur
any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)

Tyrannosaur

[tə′ran·ə‚sȯr]
(pateontology)
A large carnivorous therapod dinosaur 40 feet (12 meters) long and weighing 6 tons, from the Late Cretaceous Period that had powerful hindlimbs, short forelimbs, a large skull (4 feet long), and very powerful jaws.
References in periodicals archive ?
(2001): The phylogeny and taxonomy of the Tyrannosauridae. In: K.
(1974): Gigantic carnosaurs of the family Tyrannosauridae. Sovmestnaia Sovestsko-Mongol 'skaia Paleontologicheskaia Ekspeditsiia Trudy, 1: 132-191.
Proceratosaurus is the earliest known ancestor of the family Tyrannosauridae (named after its most famous representative Tyrannosaurus rex).