Fossils of a 70-million-year-old crocodile-like creature have been discovered in Argentina, with some reports suggesting it was an apex predator that hunted dinosaurs. The creature's size and diet are still being described, with estimates including a length of 12 feet and a weight of 550 pounds, and a diet that may have included small to medium-sized dinosaurs. However, there is some uncertainty about the creature's interactions with dinosaurs, with one report suggesting it was the one being eaten by a dinosaur.