Super Croc: Paul Sereno's Dinosaur Eater. The huge skull poked out of the hot sand. Paul Sereno and his team chipped at the rock that clung to the Creature's Bones. Finally , they could see the whole Skull-it belonged to the Crocodile. This wasn't just any old crocodile, however. It was Gigantic. It was millions of years old. It had lived among Dinosaurs. Had it Eaten them, too? This was one of many Questions Paul would answer as he began to learn how the giant croc really looked and lived.