Nerytes or Nereites: How To spell?

The word Nerytes is misspelled against Nereites, a noun meaning "Fossil tracks of annelids."

Word contains consecutive vowels 'EI' in between alphabets ner & tes is misspelled as 'Y'
Wrong Spelling:  ner-y-tes 
Correct Spelling:  ner-ei-tes 
Explore spell check of Nereites to spell without errors.