Mastodonsourus or Mastodonsaurus: How To spell?

The word Mastodonsourus 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 'OU'
Wrong Spelling:  mastodons-ou-rus 
Correct Spelling:  mastodons-au-rus 
Check more misspelled words of Mastodonsaurus to spell it correct.

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