The size of the tooth testifies to an impressive creature that could grow up to 11 metres long. Reconstruction by Christopher ...

A mosasaur tooth has been found at one of the most famous Late Cretaceous fossil sites in the world. That means the famous ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

A tooth recently found in the famous Hell Creek formation in Montana suggests otherwise. According to findings published on ...

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

Prehistoric sea monster bigger than a killer whale may have terrorised rivers too - The mosasaur may have occupied a similar ...

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

JACKSONVILLE, Fla. — In a groundbreaking discovery, a research team led by a UNF professor and the Bureau of Land Management has unveiled new evolutionary insights following the remarkable find of a ...

WALHALLA, N.D. — Researchers who uncovered a new genus and species of mosasaur — an ancient, carnivorous aquatic lizard — in the Pembina Gorge north of Walhalla are hopeful the discovery will fill ...

JACKSONVILLE, Fla. — The world was a drastically different place 90 million years ago, and Saturday on Good Morning Jacksonville, UNF faculty member Dr. Barry Albright gave viewers a glimpse into what ...

A miniature model in front of the larger skeletal version of the Pachyrhinosaurus perotorum, a dinosaur named partially after Ross Perot and his family, in the T. Boone Pickens Life Then And Now Hall.