A new species of dinosaur, Ingentia prima (Latin for "first giant") has been uncovered in Argentina, the BBC reports. The fossil dates back to the end of the Triassic Period, about 215 million years ago. This goliath, a member of the lessemsaurus family, is the first species of dinosaur to reach giant status, weighing in at 10 tonnes and predating other behemoths such as Apatosaurus and Diplodocus, which evolved later during the Jurassic Period. I. prima grew via a combination of very fast growth spurts and bird-like lungs able to supply large amounts of oxygen and keep an immense body cool, scientists report in Nature Ecology & Evolution.
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