Tyrannosaurus rex might be the most feared dinosaur to ever walk the Earth, but there was once another T. rex that terrorised the ancient seas. Named Tylosaurus rex, this fierce creature is a massive ...

Add Yahoo as a preferred source to see more of our stories on Google. After remeasuring dozens of mosasaur specimens across multiple museums, paleontologists discovered a previously unknown species of ...

Add Yahoo as a preferred source to see more of our stories on Google. There's a new T. rex in town, but this one didn't hunt on land. It ruled the ancient seas. The species name means "king of the ...

(CNN) — Paleontologists have long hailed Tyrannosaurus rex as king of the dinosaurs. Now, the name “T. rex” also belongs to a newly described extinct carnivore — a massive marine reptile with the ...

Fearsome Dinosaur-Era Marine Reptile Was the T. Rex of the Sea By Will Dunham May 28 (Reuters) - Tyrannosaurus rex was a huge land predator during the twilight of ⁠the ⁠age of dinosaurs. But it was ...

What do you call a massive prehistoric reptilian tyrant, with large, powerful jaws and sharp serrated teeth? If you said Tyrannosaurus rex, that’s understandable: it’s the most famous dinosaurian ...

Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ago Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ...