Pterosaor or Pterosaur: How To spell?

The word Pterosaor is misspelled against Pterosaur, a noun meaning "A pterodactyl."

Word contains consecutive vowels 'AU' in between alphabets pteros & r is misspelled as 'AO'
Wrong Spelling:  pteros-ao-r 
Correct Spelling:  pteros-au-r 
Find more incorrect spellings of Pterosaur to spell right way.

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