Fossils: Terrifying 14ft-long 'uncle' of modern crocodiles roamed Wyoming 155 million years ago - Daily Mail

A terrifying 14-feet-long reptile that roamed the Serengeti-like landscape of Wyoming 155 million years ago was the 'uncle' of all modern crocodiles.

A terrifying 14-feet-long reptile that roamed the Serengeti-like landscape of Wyoming 155 million years ago was the 'uncle' of all modern crocodiles.

Smile: Crocodiles look like they're flashing a toothy grin when their snouts are shut.

'They could breathe underwater while holding prey in the mouth, as modern crocodilians do today.

Today there are just 25 species of crocodile still alive, but this number would have been in the hundreds during the time of the dinosaurs, with some reaching up to 30 feet in length and weighing in at three tons — six times that of A.

milesi lived, during the Late Jurassic, what are today the badlands of Wyoming would have been more like the Serengeti of Africa. .

Three feet long.

Looked much like modern day crocodiles – except their nostrils were located on the top of their head rather than the tops of their snout.

Didn't resemble modern crocodiles in behaviour or body shape except the shape of their head. .

Lived in the rivers of Africa.

Looked and behaved like it's modern decedents, but it was twice as long and about 10 times as heavy. .

Lived in the rivers of North America.

Five ft long, 25-50 pounds, ate fish, and lived in the rivers of North America and western Europe

The modern day crocodile – including the saltwater, Nile, and American variants – spread throughout the world

Nine feet long, 500 pounds

Long curved teeth and long legs, unlike modern croc's short legs

This is a very close relative of the modern day crocodile