Seventy million years ago, a crocodile relative almost as long as a compact car stalked dinosaurs in southern Argentina. Now, scientists have uncovered its fossilized bones, showing that this meat-eater was one of the top predators in its ancient…

Seventy million years ago, a crocodile relative almost as long as a compact car stalked dinosaurs in southern Argentina. Now, scientists have uncovered its fossilized bones, showing that this meat-eater was one of the top predators in its ancient…