Mosasaurus ("lizard of the Meuse River") is the type genus of the mosasaurs, an extinct group of aquatic squamate reptiles. It lived from about 82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.
Mosasaurus
Best Non-Dinosaur Species
for Best Non-Dinosaur Species in Best of Jurassic Park
Suggested by adambell12345
Just wanted to make a personal story for this as I am a perfectionist, although I will allow for public voting.
