Chauropterygia or Cheiropterygia: How To spell?

The word Chauropterygia is misspelled against Cheiropterygia, which is plural of "Cheiropterygium"

Word contains consecutive vowels 'EI' in between alphabets ch & ropterygia is misspelled as 'AU'
Wrong Spelling:  ch-au-ropterygia 
Correct Spelling:  ch-ei-ropterygia 
Check more misspelled words of Cheiropterygia to spell it correct.