Rhomboganoidi or Rhomboganoidei: How To spell?

The word Rhomboganoidi is misspelled against Rhomboganoidei, a noun meaning "Same as Ginglymodi."

Word end with consecutive vowels 'EI' preceded by alphabets 'rhomboganoid' is misspelled as 'I' as letter 'E' is phonetically ig
Wrong Spelling:  rhomboganoid-i 
Correct Spelling:  rhomboganoid-ei 
Find more incorrect spellings of Rhomboganoidei to spell right way.