Deinosuchus was a Giant Crocodylian slightly related to the Alligator that lived from approximately 82 million years ago up until the end-Cretaceous extinction event began. Its main competitors as a large predator may have included sharks (such as the Ginsu Shark), marine reptiles (Mosasaurs), dinosaurs (Tyrannosaurus) and other Deinosuchus. Its main prey were sea turtles and dinosaurs. It is 33 feet long and weighs 5,500 – 11,000 lbs.