What is "kronosaurus"

n. A giant extinct sea reptile with crocodile-like head. It is the largest pliosaurus in the world.

Kronosaurus ( ; meaning "lizard of Kronos") is an extinct genus of short-necked pliosaur. It was among the largest pliosaurs, and is named after the leader of the Greek Titans, Cronus. It lived in the Early Cretaceous Period ( Aptian- Albian).