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The Dreadnoughtus, a 65-ton dinosaur whose tread shook the Earth more than 65 million years ago, was unearthed by archaeologists in Argentina. Researchers say it is the most complete fossil skeleton known of the massive long-necked sauropods. Image: Jennifer Hall

“Scientists Discover 65-Ton Dinosaur ‘Dreadnoughtus'” is categorized as “world”. This video was licensed from Grab Networks. For additional video content, click the “video” tab at the top of this page.

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