This was a top predator that probably was 3.9m long and swam around using its jagged teeth to bite and cut its prey, like dinosaurs and other predatory reptiles did.

This was a top predator that probably was 13 feet long and swam around using its jagged teeth to bite and cut its prey, like dinosaurs and other predatory reptiles did.

This is the most remarkable change in the size and shape of the teeth and snout in the history of marine crocs.

This croc was just the opposite. It was definitely a predator of large sea creatures.

This animal was one of the latest members of its family and certainly the most bizarre of all marine crocs.

I'm sure it wasn't nice. A top predator role in the food chain.