Pterosaar or Pterosaur: How To spell?

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

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

You might be interested to know

Saar or Saur?

Subaadition or Subaudition?

Thaamatrope or Thaumatrope?