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==Animal Biography== Argentinosaurus is a genus of titanosaur sauropod dinosaur first discovered by Guillermo Heredia in Argentina. The generic name refers to the country in which it was discovered. The dinosaur lived on the then-island continent of South America somewhere between 97 and 94 million years ago, during the Late Cretaceous Epoch. It is among the largest known dinosaurs. Argentinosaurus is thought to be the largest of all the dinosaurs,but recent discoveries,for example Bruhahtkayosaurus may have been bigger.