An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

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 ...

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 new genus and species of plesiopedal mosasauroid, Portunatasaurus krambergeri, from the Cenomanian– Turonian (Late Cretaceous) of Croatia is described. An articulated skeleton, representing an ...

A remarkable discovery in Morocco has shed light on a mysterious ancient marine predator, Carinodens acrodon, a small but highly specialized mosasaur that roamed the oceans during the late Cretaceous ...