Deinosuchus is a large crocodile from North America.  It lived along the coast line of the Western Interior Sea.  It would move in land to costal Swamps where they can spend time on land.  Like modern day Crocodile, they sun bath with there mouth open.  There jaw stronger when open, and weaker been close.  It can move fast out of the water as they lunge at their prey.  They eat fish, pterasaurs, dinosaurs and anything that enter the water area.