What is Allosaurus?
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A Jurassic dinosaur represented by 4-6 identified species. Ranging in length from 5-13.5 meters, it was one of the largest carnivores until the rise of the tyrranosaurids about fifty million years later.
"The genus Allosaurus has been discovered in Upper Jurassic sediments (160 million years ago) in the U.S. "
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The exploration of diverse urban environments on foot. The concept of urban hiking is gaining traction, and there are web sites devoted ..
