After a chance oil discovery in 2017, excavations revealed the 95-million-year-old bones of a dinosaur dubbed Astigmasaura genuflexa .

Paleontologists in Argentina’s Patagonia region have discovered a previously unknown species of dinosaur that’s now been named Astigmasaura genuflexa .

It roamed the Earth during the Late Cretaceous period, around 95 million years ago, and measured nearly 60 feet in length, weighing more than 10 tons. The prehistoric herbivore was a member of Rebbachisauridae, a large family of sauropods.

Researchers identified the dinosaur thanks to a fossilized postcranial skeleton. Notably, this also marks the first time a posterior part of a rebbachisaurid dinosaur has been discovered. Both hind limbs, the hip, and the anterior half of the tail were perfectly pre

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