Mosasourus or Mosasaurus: How To spell?
The word Mosasourus is misspelled against Mosasaurus, a noun meaning "A genus of extinct marine reptiles allied to the lizards, but having the body much elongated, and the limbs in the form of paddles. The first known species, nearly fifty feet in length, was discovered in Cretaceous beds near Maestricht, in the Netherlands."
Word contains consecutive vowels 'AU' in between alphabets mosas & rus is misspelled as 'OU'Wrong Spelling:  mosas-ou-rus  Correct Spelling:  mosas-au-rus 
Check more misspelled words of Mosasaurus to spell it correct.