A 3D-printed version of the K. atrox skeleton found in Argentina's southern Patagonia. A hyper-carnivore, this ancient relative of today's alligators and crocodiles may have preyed on dinosaurs. - ...

A gigantic crocodile-like hypercarnivore likely hunted dinosaurs 70 million years ago in what is now Argentina, a new study reveals. Researchers discovered the fossilized skeleton from the extinct ...

A newly discovered species of a large, crocodile-relative predator has been described via a remarkably well-preserved fossil from Argentina, according to a study published in PLOS One by Fernando ...

Seventy million years ago, southern Patagonia was home to dinosaurs, turtles, and mammals—but also to a fierce crocodile-like predator. A newly discovered fossil, astonishingly well-preserved, reveals ...

The creature, named K. atrox, was an extinct ancestor of the modern crocodile. A new study has identified a massive creature that hunted and ate dinosaurs 70 million years ago. It’s called ...

A newly unearthed fossil has led experts to believe an ancient species of crocodile may have been an apex predator that hunted dinosaurs on land. Paleontologist and National Geographic Explorer Diego ...

The end-Cretaceous was the age of the dinosaurs, an era populated by iconic prehistoric creatures like Ankylosaurus, Gallimimus, Triceratops, and Tyrannosaurus rex. Our favorite dinosaurs might be the ...

Paleontologists have discovered the fossilized remains of a crocodile "hypercarnivore" that lived in what is now Argentina some 70 million years ago—and it ate dinosaurs. Named Kostensuchus atrox, the ...

Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and weighing ...

K. atrox was hypercarnivorous, meaning more than 70% of its diet was meat. Equipped with a broad snout, big teeth and robust forelimbs, K. atrox 's anatomy suggests it was capable of taking down large ...