New analysis cuts massive dino’s weight in half

Dreadnoughtus maybe wasn’t as dreadful as original estimates suggested

drawing of gigantic dinosaur Dreadnoughtus schrani

SIZE CHECK  The gigantic dinosaur Dreadnoughtus schrani may not have weighed as much as scientists thought. A new analysis of bone volume puts the dino’s weight at as little as 22,000 kilograms.

Jennifer Hall

One of the world’s heaviest dinosaurs may be getting demoted to a lower weight class.