Experts think the creatures adapted to river environments in the final million years before they became extinct.

A mosasaur tooth has been found at one of the most famous Late Cretaceous fossil sites in the world. That means the famous marine predators adapted to a freshwater environment, and it seems they ...

KAINAN, Wakayama Prefecture--A mosasaur fossil found in the mountains in the prefecture almost two decades ago has been determined to be a new genus and species that lived more than 70 million years ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

For a little while, Mosasaurus maximus was my labmate. The sharp-toothed marine predator was an inoffensive neighbor, though – no doubt because only the fossilized bones, coated in beeswax to stop the ...

Fossilised bones of a new species of mosasaur have been unearthed in Hungary, providing the first evidence that these giant, aquatic lizards lived in both freshwater and marine environments. Since the ...

“If you put flippers on a Komodo dragon and made it really big, that’s what it would have looked like,” study co-author and Richard Gilder Graduate School PhD student Amelia Zietlow, said in a ...

Mosasaur evolution represents one of the most striking examples of evolutionary innovation among marine reptiles. Emerging in the mid-Cretaceous, these marine squamates rapidly diversified to occupy a ...

Until now, these terrifying giant aquatic reptiles with a bulky skull and powerful jaws were thought to be sea-dwelling predators, exclusively hunting in the oceans. Now, a 66-million-year-old ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Paleontologists in North Dakota have discovered new species of ...

"Its long snout reflects that this mosasaur was likely adapted to a specific form of predation, or niche partitioning, within this larger ecosystem." Strong explained there is evidence that each ...