The Turiasaurus riodevensis, one of the largest dinosaurs ever found, in an undated illustration. Scientists in Spain have found the fossilized remains of one of the largest animals ever to walk the Earth, a gargantuan plant-eating dinosaur up to 125 feet long and weighing as much as seven elephants. It is the largest dinosaur ever found in Europe. (Image Copyright Carin L. Cain/AAAS/Science/Handout/Reuters)
Photo provided by the journal Science showing the left forelimb of the Sauropod. The fossil bones of what may have been Europe's largest animal ever, a new type of dinosaur, have been discovered in Spain. Discovery of the sauropod, estimated to have weighed between 40 and 48 tons, is reported in Friday's issue of the journal Science. (AP Photo/Image courtesy of Fundacin Dinpolis, Science)