Spinosaurus

Spinosaurus (Spine-oh-sore-us) lived in the Early Cretaceous Period in Africa. Spinosaurus was one of the largest predatory dinosaurs ever known and may have grown to over 50 feet long. It is known for the large dorsal spines on its back, which may have formed a large sail or hump. For a long time, Spinosaurus was only known from a few remains, but recent finds have allowed scientists to get a better idea of this unique theropod dinosaur.

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Dinosaurs & Prehistoric Creatures