Carnivorous Dinosaur Discovered in Utah Was a True Jurassic Nightmare

One of the things that really bugs me about the Jurassic Park movies is the prominent role given to Tyrannosaurus rex—a dinosaur that didn’t appear until the ensuing Cretaceous period. I am therefore thrilled to learn about Allosaurus jimmadseni, a newly described apex predator that, unlike T. rex, actually lived…

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