Crocodiles already inspire fear at their modern size, but today’s saltwater crocodiles are only a shadow of what once lived in Earth’s rivers and wetlands. The fossil record shows that some ...

Purussaurus was a giant species of caiman that went extinct millions of years ago, but this photograph does not show a genuine fossil. This is a replica model of a skull belonging to a different ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When scientists finally measured the most powerful bite ...

The sheer savagery of the modern-day food chain may sometimes leave one wondering what things would have looked like millions ...

The Purussaurus brasilienses could measure up to 12.5m in length A prehistoric caiman that lived in the Amazon region about eight million years ago had a bite twice as powerful as that of a ...

Picture this epic showdown between Spinosaurus and Purussaurus, right? Spinosaurus, this hulking dinosaur with that iconic sail on its back, was a real water lover, cruising around ancient rivers and ...

THE biggest crocodile that ever lived had a bite more powerful than Tyrannosaurus rex, scientists have found. Examination of a prehistoric sloth fossil found 46 Purussaurus tooth marks on its shinbone ...

Jack has a degree in Medical Genetics from the University of Leicester.View full profile Jack has a degree in Medical Genetics from the University of Leicester. After studying fossils from an ancient ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (CNN) — When a young crocodile-like caiman ...

Paleontologists have determined that Purussaurus brasiliensis, a massive caiman that lived in South America during the Late Miocene, evolved the strongest bite of any four-limbed animal. At 15,500 ...

A giant ground sloth the size of a large capybara was killed by a 13-foot long juvenile crocodilian 13 million years ago, a study reveals. The 175-pound animal's shin from a hind leg was found in ...

When a young crocodile-like caiman chomped down on the hind leg of a ground sloth 13 million years ago near the Napo River in Peru, it left behind 46 tooth marks as evidence. Now, researchers have ...