Chaurotherium or Cheirotherium: How To spell?

The word Chaurotherium is misspelled against Cheirotherium, a noun meaning "A genus of extinct animals, so named from fossil footprints rudely resembling impressions of the human hand, and believed to have been made by labyrinthodont reptiles. See Illustration in Appendix."

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