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Meet Dreadnoughtus, Biggest Dinosaur Yet

Posted Thursday, September 4th 2014 @ 1pm  by John Johnson, Newser Staff

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(NEWSER) – Introducing the new king of the dinosaurs, at least in terms of size. Researchers in the Patagonia region of Argentina found a brute they've named Dreadnoughtus, and they're laying claim to it being the largest land animal whose size can be accurately measured—thanks mainly to the fact that they found 70% of a skeleton. Some highlights of the study in Scientific Reports.

  • Dimensions: It was 85 feet long and weighed 130,000 pounds. Dreadnoughtus had a 37-foot-long neck that enabled the plant-eater to feast without having to move around much. Also: It was still growing when it died about 77 million years ago.
  • Context: "To put [the dino's 65-ton size] in perspective, an African elephant is about five tons, T. rex is eight tons, Diplodocus is 18 tons, and a Boeing 737 is around 50 tons," says study author Kenneth Lacovara of Drexel University in the Washington Post.
  • Demise: The big guy and a smaller companion got stuck in something akin to quicksand, which is why the bones are so well preserved.

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