Mastodonsarus or Mastodonsaurus: How To spell?

The word Mastodonsarus is misspelled against Mastodonsaurus, a noun meaning "A large extinct genus of labyrinthodonts, found in the European Triassic rocks."

Word contains consecutive vowels 'AU' in between alphabets mastodons & rus is misspelled as 'A' as letter 'U' is phonetically i
Wrong Spelling: mastodons-a-rus
Correct Spelling: mastodons-au-rus
Check more misspelled words of Mastodonsaurus to spell it correct.