2014-09-12 Dreadnoughtus: A Giant Among Dinosaurs
The dinosaur lay undiscovered for perhaps 77 million years after it died. Then, in 2005, an American scientist found some of its fossilized remains in the Patagonia area of southern…
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The dinosaur lay undiscovered for perhaps 77 million years after it died. Then, in 2005, an American scientist found some of its fossilized remains in the Patagonia area of southern…