Dinoria
Mosasaurus โ€” illustrationNormal

Mosasaurus

Mosasaurus hoffmannii

MOZE-ah-SORE-usยท โ€œMeuse River lizardโ€

๐ŸŒŠ Marine reptile๐Ÿ•ฐ๏ธ Cretaceous๐Ÿฅฉ carnivore๐Ÿฆด Mosasauridae
12 m
Length
2 m
Height
10 t
Weight

A giant marine lizard and apex predator of the Late Cretaceous seas, with powerful double-hinged jaws, a streamlined body and paddle-like limbs. One of the last and largest mosasaurs. A marine reptile, not a dinosaur.

When
Late Cretaceous, ~70โ€“66 million years ago
Found in
Netherlands
Discovered
Johann Leonard Hoffmann, 1764

Did you know?

  • A huge sea-going lizard โ€” not a dinosaur โ€” that ruled the Late Cretaceous oceans.
  • Double-hinged jaws and extra teeth on the palate helped it grip large prey.
  • Among the first fossil reptiles ever recognised by science, back in the 1700s.

Artwork: Dmitry Bogdanov, Wikimedia Commons, CC BY 3.0.