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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...