Chauroptera or Cheiroptera: How To spell?

The word Chauroptera is misspelled against Cheiroptera, a noun meaning "An order of mammalia, including the bats, having four toes of each of the anterior limbs elongated and connected by a web, so that they can be used like wings in flying. See Bat."

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