Deinosuchus is an extinct genus of eusuchian, either an alligatoroid crocodilian or a stem-group crocodilian, which lived during the Late Cretaceous around 82 to 73 million years ago. The first remain
Deinosuchus scutes and vertebra, Carnegie Museum of Natural History
Reconstructed skull of Deinosuchus riograndensis, Big Bend National Park, Texas.
Deinosuchus may have preyed upon large ornithopods. Kritosaurus lived alongside the giant crocodilian in the Aguja Formation ecosystem.
Alligatoroidea is one of three superfamilies of crocodylians, the other two being Crocodyloidea and Gavialoidea. Alligatoroidea evolved in the Late Cretaceous period, and consists of the alligators an
An alligator nest at Everglades National Park, Florida, United States
Alligator olseni forelimb
Alligator prenasalis fossil