More than 120 million years ago, Sarcosuchus imperator lurked in the tropical rivers and swamps of what is now Africa as one ...

Sarcosuchus lived during the Cretaceous period in vast river systems that supported diverse dinosaur populations Its elongated skull and immense size suggest a predator capable of seizing large prey ...

Add Yahoo as a preferred source to see more of our stories on Google. Saltwater crocodiles are the largest living reptiles on Earth, but they are far from the biggest crocodiles to ever exist.