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The First Dinosaur to Menace Both Land and Water

A new specimen of Spinosaurus aegyptiacus helps researchers sort out its strange traits.

RELATED TAGS: DINOSAURS
spinosaurus
Uncovered in Saharan Morocco, a new specimen of the dinosaur Spinosaurus aegyptiacus helped researchers confirm that the 50-foot carnivore was the largest land predator ever known. And that’s probably the least interesting thing about the strange animal; Spinosaurus is also the only aquatic dinosaur ever identified. “Spinosaurus breaks the mold. It’s not just another T. rex-like predator, only bigger,” says Nizar Ibrahim, the University of Chicago paleontologist who led ...
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