Scientists have discovered a new species of mosasaur, a giant sea-dwelling lizard that dates back to the age of the dinosaurs, that stands out because of its unique, star-shaped teeth. It’s thought ...

Shortly before a mass extinction ended the Age of Dinosaurs, a reptilian, barracuda-like carnivore with a mouth like a box cutter patrolled the warm seas that once covered swaths of what is now North ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either. Researchers from Sweden, the US, and the ...

The Hell Creek Mosasaur, reconstruction by Christopher DiPiazza. Please note that more images and a short video are available at this link: https://springernature-my ...

Researchers have discovered a new species of mosasaur, a terrifying prehistoric reptile that lived during the age of dinosaurs, in Morocco. Known as Gavialimimus almaghribensis, the new species had a ...

Late in the Cretaceous Period, when tyrannosaurs and their kin were the ruling predators on land, large swimming reptiles ruled the seas. Among them were the plesiosaurs and the mosasaurs. The suffix ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

The ancient seas of the Late Cretaceous period would’ve been scary places to swim. Between 66 million and 100 million years ago, the world’s waterways were chock-full of real-life sea monsters. Not ...