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tyrannosaur
[ ti-ran-uh-sawr, tahy- ]
noun
- a large, carnivorous dinosaur, Tyrannosaurus rex, from the Late Cretaceous Epoch of North America, that walked erect on its hind feet.
tyrannosaur
/ ĭ-ă′ə-ô′ /
- Any of various very large carnivorous dinosaurs of the genus Tyrannosaurus and related genera of the Cretaceous Period. Tyrannosaurs had very small forelimbs and a large head with sharp teeth. They walked on two legs, probably bent forward with their long tail stretched out as a counterbalance. Tyrannosaurs were theropods and probably distantly related to birds. The largest species, T. rex, grew to lengths of 14.3 m (47 ft) or more and may have been the largest land predator that ever lived.
yvlog History and Origins
Origin of tyrannosaur1
Example Sentences
It's the first time tyrannosaurs have been identified in sediments of this age and region.
A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex.
It is only 23 inches long, but one tyrannosaur skull has been a bone of serious contention among paleontologists for decades.
Experts have unearthed numerous fossils of the svelte tyrannosaur, including some relatively complete skeletons, with the adults reaching more than 26 feet in length and weighing more than two tons in life.
But after tyrannosaurs bulked up enough, they gradually switched to hunting these large herbivores.
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