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Argentine paleontologist Sebastian Apesteguia (C) poses in Buenos Aires on July 13, 2016 next to a replica of Gualicho, an unusual new theropod dinosaur with a didactyl manus from the Upper Cretaceous that lived 90 million years ago found in the province of Rio Negro, in Argentina's Patagonia.
 / AFP / EITAN ABRAMOVICH        (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
Argentine paleontologist Sebastian Apesteguia (C) poses in Buenos Aires on July 13, 2016 next to a replica of Gualicho, an unusual new theropod dinosaur with a didactyl manus from the Upper Cretaceous that lived 90 million years ago found in the province of Rio Negro, in Argentina's Patagonia.
 / AFP / EITAN ABRAMOVICH        (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)

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    Gualicho: un dinosaurio maldito

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Gualicho: un dinosaurio maldito

El esqueleto del dinosaurio de 6 metros y un peso de más de 400 kilos sufrió un accidente y después desapareció misteriosamente.

Gualicho: un dinosaurio maldito

El esqueleto del dinosaurio de 6 metros y un peso de más de 400 kilos sufrió un accidente y después desapareció misteriosamente.