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Although its remains are fragmentary, paleontologists believe that this carnivorous dinosaur of the Late Jurassic period may have been as big as a Tyrannosaurus rex. Some paleontologists refer to it as Allosaurus maximus while others have named it Saurophaganax maximus.
Genus Name: Allosaurus ("different lizard")
Weight: 4.5 tons
Time: 150-145 million years ago (Late Jurassic)
Diet: meat-eater (carnivore)
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