File:Deinosuchus skull.jpg

Skull of Deinosuchus hatcheri (In the foreground you can see a Nile crocodile skull, placed here to compare). It lived during the late Cretaceous period (about 85 to 66 million years ago)and hate perhaps dinosaurs. It could reach 9 meters.

Source Wikimedia Commons http://commons.wikimedia.org/wiki/Image:Deinosuchus_skull.JPG