Cheropterygia or Cheiropterygia: How To spell?

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

Word contains consecutive vowels 'EI' in between alphabets ch & ropterygia is misspelled as 'E' as letter 'I' is phonetically i
Wrong Spelling:  ch-e-ropterygia 
Correct Spelling:  ch-ei-ropterygia 
Find more incorrect spellings of Cheiropterygia to spell right way.