Dreadnoughtus is a genus of giant titanosaurian sauropod dinosaur from the Upper Cretaceous, discovered in the (Campanian-Maastrichtian; 84–66 Ma) Cerro Fortaleza Formation of Santa Cruz province, Argentina. It is one of the largest of all known terrestrial vertebrates, possessing the greatest mass of any land animal that can be calculated with reasonable certainty, using limb bone [...]
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