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Argentine dino find: Long-necks survived the Jurassic period

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BUENOS AIRES, Argentina — Dinosaur fossils found in Patagonia provide the first evidence that long-necked, whip-tailed diplodocid sauropods survived well beyond the Jurassic period, when they were thought to have gone extinct, Argentine paleontologists said Thursday.

Pablo Gallina, a researcher at Buenos Aires’ Maimonides University, described the find as the first definitive evidence that diplodocids reached South America, and the most recent geologic record of this branch of sauropod anywhere.

“It was a surprise, because the first remains we found…

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