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Thread: Fossils of ‘first giant’ dinosaur discovered in Argentina

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    Fossils of ‘first giant’ dinosaur discovered in Argentina

    Scientists have unearthed in northwestern Argentina fossils of the earliest-known giant dinosaur, a four-legged plant-eater with a medium-length neck and long tail that was a forerunner of the largest land animals of all time. Researchers said the dinosaur — named Ingentia prima, meaning “the first giant” — was up to 33 feet long and weighed about 10 tons, living about 210 million years ago during the Triassic Period.
    ngentia was an early member of a dinosaur group called sauropods that later included Earth’s biggest terrestrial creatures including the Patagonian behemoths Argentinosaurus, Dreadnoughtus and Patagotitan.

    “We see in Ingentia prima the origin of gigantism, the first steps so that, more than 100 million years later, sauropods of up to 70 tons could come into existence like those that lived in Patagonia,” said paleontologist Cecilia Apaldetti of the Universidad Nacional de San Juan in Argentina, lead author of the study published on Monday in the journal Nature Ecology & Evolution.
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