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A discovered dinosaur fossil is said to be a new dinosaur species , a 105-foot plant-eater that is one of the most largest dinosaurs ever found. Scientists from Argentina and Brazil said the Patagonian dinosaur appears to present a previously unknown type of Titanosaur because of the unusual structure of its neck. They named it Futalognkosaurus Dukei after the Mapuche Indian words for "giant chief," and for Duke Energy Argentina, which helped find the skeleton's excavation. The dinosaur information was found in 10/16/07.