Proterosavrus or Proterosaurus: How To spell?

The word Proterosavrus is misspelled against Proterosaurus, a noun meaning "An extinct genus of reptiles of the Permian period. Called also Protosaurus."

Word contains consecutive vowels 'AU' in between alphabets proteros & rus is misspelled as 'AV'
Wrong Spelling:  proteros-av-rus 
Correct Spelling:  proteros-au-rus 
Check more misspelled words of Proterosaurus to spell it correct.

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