Paleontologists working in Argentina have revealed one of the most complete megaraptor fossils to date—and a bone from a crocodilian, which might have been its last meal, was still in its mouth. The ...

A croc bone locked between the 70-million-year-old predator’s jaws gives scientists a rare look into its life and possibly ...

Found in the Lago Colhué Huapi Formation in Patagonia, Argentina, J. casali may have been the apex predator of its Cretaceous ...

The discovery of a giant predator in Patagonia provides exceptional testimony about the end of the age of dinosaurs. The unique position of a fossilized bone opens a window into its ...

Palaeontologists in Argentina have identified a new species of megaraptor dinosaur named Joaquinraptor casali. This predator roamed the region around 68 million years ago.

The seven-metre predator, found in Chubut Province, lived shortly before the mass extinction some 66 million years ago; Named ...

Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious group of ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth.

A reconstruction of the newly discovered megaraptor Joaquinraptor casali from Argentina with a Cretaceous-era crocodile arm in its mouth. Illustration by Andrew McAfee, Carnegie Museum of Natural ...

While the great Tyrannosaurus rex stalked prehistoric North America, a very different apex predator prowled ancient Argentina: the newly discovered megaraptor Joaquinraptor casali. When ...