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.

Giant reptiles, masters of the oceans more than 66 million years ago, swimming in rivers? A recent discovery in North America ...

The cradle of paleontology—the study of fossil remains of animals and plants—lies in the Maastricht limestones, where the first Mosasaurus was discovered in 1766. The Dutch-Belgian border area around ...

"A mosasaur with shark teeth is a novel adaptation of mosasaurs so surprising that it looked like a fantastic creature out of an artist's imagination," says Dr. Nour-Eddine Jalil of the National ...

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 ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't ...

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 ...

The giant mosasaur is called Thalassotitan atrox. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A giant mosasaur with teeth like a killer whale ...

Researchers are calling for CT scans to confirm the authenticity of a Cretaceous period fossil that led to the identification of a new mosasaur species. Reading time 3 minutes In 2021, scientists ...

Sixty six million years ago, sea monsters really existed. They were mosasaurs, huge marine lizards that lived at the same time as the last dinosaurs. Growing up to 12 metres long, mosasaurs looked ...

A never-before-seen mosasaur species first described in 2021 may be based on forged fossils, a new study suggests. Researchers are now calling for computed tomography (CT) scans of the remains to ...

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 ...