ALLOSAURAUS the name means " different dinosaur." was the biggest land living carnivor. it was named different dinosaur because it had a different vertibrae. it had a big skull. had a lot in common with birds nowdays. in utah there were over 40 skeletons found of this dinosaur The allosaraus died out 5 million years before the dinosaurs in the quarry lived. the dinosaurs were about 18.5 ft long and weighed about 1,350. one fossil was found in 1990 during a survey in the morrison formation. it took 3 years to excavate it, 2 years to prepare it and another 3 years to study it. they wasted all that time because it was and unusually significant, so they had to be very careful

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allosauraus head

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what allosauraus would have looked .like

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most complete allosauraus