Mosasaurus
CretaceousCarnivoreGiant

Mosasaurus

MOH-zah-SORE-us

"Meuse lizard"

Overview

Mosasaurus was a colossal marine lizard of the Late Cretaceous, an apex predator of the seas with powerful jaws and paddle-like limbs. Some species reached 17 metres and hunted fish, squid, and even other marine reptiles.

Vital Statistics

Length
17 m
Height
2 m
Weight
15 t
Est. Speed
30 km/h
Discovered
1822
Named by
William Conybeare

Countries Discovered

NetherlandsBelgiumMoroccoUSA

Interesting Facts

Reached about 17 m in length, one of the largest mosasaurs.

A second set of teeth on the palate helped grip slippery prey.

Close living relatives are monitor lizards and snakes.

First scientifically described mosasaur, found in a Dutch chalk quarry near the Meuse.

Closest Relatives

TylosaurusPlotosaurusPrognathodon