Heteroneris or Heteronereis: How To spell?

The word Heteroneris is misspelled against Heteronereis, a noun meaning "A free-swimming, dimorphic, sexual form of certain species of Nereis."

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