It is believed that the largest creature that has ever existed is the blue whale.The Biggest
One of them, Argentinosaurus, left enough evidence to be classified as the heaviest of all titanosaurs.With a length of 36.5 m, it weighs 100 tons. Researchers studying fossils of patagothites (another titanosaur discovered in Patagonia) have suggested that some of them may have broken the record for the largest, but there are not enough fossils to support this .In any case, scientists studying the fossils discovered in 2012 have begun to believe they have found an even larger titanosaur.
It is now known that this dinosaur appeared 98million years ago (before the beginning of the Cretaceous). Among the fossils found are 24 vertebrae, which were part of a giant tail, pelvis and pectoral girdle. The sheer size of each suggests that the dinosaur was very large, even among the titanosaurs. And certainly more than all the species living on Earth.
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