Most of the classic creatures that come to mind when you think of dinosaurs are from the Cretaceous period, when evolution seems to have hit its stride and splashed out with things like the huge, long-necked sauropods. But dinosaurs weren't always giants – during the earlier Triassic period they were mostly chicken-sized critters, and they didn't really grow to be massive until the Jurassic. Now, the discovery of a new species in Argentina is pushing back the clock on dinosaur gigantism by up to 30 million years.
.. Continue Reading 200-million year old monster pushes back the clock on giant dinosaursCategory: Science
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from New Atlas https://ift.tt/2mciM8W
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