Meet Sarcosuchus - one of the largest croc-like creatures to ever live, and a true dinosaur killer. Nicknamed "SuperCroc," this prehistoric predator stretched over 30 feet long and weighed as much ...

Sarcosuchus, or "SuperCroc," reached 39 feet, preying on dinosaurs in Africa and South America. Purussaurus, a giant caiman, crushed large prey in South America's Miocene rivers.