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 ...

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 ...

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.