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S Scientists in Argentina discovered the oldest "giant" dinosaur, revealing that the evolution of gigantism began about 30 million years earlier than we thought before.
The dinosaur – Ingentia prima, meaning "the first giant" – measured up to 33 feet long and weighed about 10 tons, he lived 210 million years ago during the Triassic
The four-legged herbivore is three times larger than the largest species of dinosaur discovered since the Triassic
The discovery, published in the journal Nature Ecology & Evolution, prompted paleontologists to rethink evolution Dinosaurs
"Before this discovery, gigantism was considered to have emerged during the Jurassic period, about 180 million years ago, but Ingentia prima lived at the end of the Triassic, there are between 210 and 205 million years, "says Cecilia Apaldetti, paleontologist at the Universidad Nacional de San Juan in Argentina, lead author of the study.
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