Ctenoide or Ctenoidei: How To spell?

The word Ctenoide is misspelled against Ctenoidei, a noun meaning "A group of fishes, established by Agassiz, characterized by having scales with a pectinated margin, as in the perch. The group is now generally regarded as artificial."

--> Word end with consecutive vowels 'EI' preceded by alphabets 'ctenoid' is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  ctenoid-e 
Correct Spelling:  ctenoid-ei 
Find more incorrect spellings of Ctenoidei to spell right way.

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