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Allosaurus vs. Tyrannosaurus

Difference Between Allosaurus and Tyrannosaurus

Allosaurus

Allosaurus () is a genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic epoch (Kimmeridgian to late Tithonian). The name "Allosaurus" means "different lizard" alluding to its unique (at the time of its discovery) concave vertebrae.
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Tyrannosaurus

Tyrannosaurus is a genus of tyrannosaurid theropod dinosaur. The species Tyrannosaurus rex (rex meaning "king" in Latin), often called T. rex or colloquially T-Rex, is one of the best represented of these large theropods.
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Allosaurus

A very large allosaurid dinosaur of the genus Allosaurus of the late Jurassic Period, having a pair of bony bumps above the eyes. Also called allosaur.
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Tyrannosaurus

Any of various tyrannosaurid dinosaurs of the genus Tyrannosaurus, having a large head and teeth and short forelimbs, and including T. rex and possibly some other species. Also called tyrannosaur.
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Allosaurus

A large, carnivorous dinosaur, of genus Allosaurus, that lived in the Jurassic period.
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Tyrannosaurus

See T. rex.
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Allosaurus

late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
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Tyrannosaurus

A large carnivorous dinosaur, of the genus Tyrannosaurus, found in North America during the late Cretaceous period.
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Tyrannosaurus

large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America
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