SuperCroc likely measured about 40 feet (12 meters) long and weighed as much as ten tons. Its jaws alone measured 6 feet (1.8 meters)as long as a tall human.
Paul Serenos team came across the Sarcosuchus imperator jaws in the first hour of their Niger fossil hunt. They quickly realized they did not belong to a dinosaur. We had never seen anything like it, he says.