Some dinosaurs were the largest creatures ever to walk on land, including the classic long-necked, whip-tailed Diplodicus, but a new study suggests it and its many extinct brethren weighed as little as half as much as previously thought.
A new equation for calculating dinosaur mass based on skeletons found that scientists have been overestimating the girth of many dinosaurs. In some cases, the new calculations show that certain dinosaurs probably weighed about half what they were thought to weigh.
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Via: Live Science
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