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Allosaurus
Allosaurus is a genus of large theropod dinosaur that lived 155 to 150 million years ago during the late Jurassic period. The name "Allosaurus" means "different lizard". It is derived from the Greek allos which means "different" or "other", and sauros meaning "lizard or generic reptile". The first fossil remains that can definitely be ascribed to this genus were described in 1877 by paleontologist Othniel Charles Marsh, and it became known as Antrodemus. As one of the first well-known theropod dinosaurs, it has long attracted attention outside of paleontological circles. Indeed, it has been a top feature in several films and documentaries about prehistoric life.

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 See Also

Walking With Dinosaurs: A Natural History

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