Mastodonsurus or Mastodonsaurus: How To spell?

The word Mastodonsurus 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 'U' as letter 'A' is phonetically i
Wrong Spelling: mastodons-u-rus
Correct Spelling: mastodons-au-rus
Check more misspelled words of Mastodonsaurus to spell it correct.