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Allosaurus fragilis

(Click an image to view at a larger size)

'Al' is the old museum mascot and the state vertebrate fossil of Utah. Allosaurus is not a smaller version of Tyrannosaurus rex. Allosaurus was most like a great-grandfather to the Tyrannosaurus rex

'Al' lived 140 million years ago during the Jurassic Period. Tyrannosaurus rex lived only 75 Million years ago during the Cretaceous Period. The differences can be seen in their hands. Allosaurus has three fingers and Tyrannosaurus rex only has two fingers. The Allosaurus was a carnivore or a flesh-eating dinosaur. He had very sharp serrated teeth that look similar to the cutting edge of a knife. As the Allosaurus lost his teeth, he grew new ones.   Our Allosaurus is approximately 30% real bone and 70% reproduction.

In the museum, Al resides with three other dinosaurs