Crustacoeus or Crustaceous: How To spell?

The word Crustacoeus is misspelled against Crustaceous, meaning "Having a crust-like shell."

Word contains consecutive vowels 'EO' in between alphabets crustac & us is misspelled as 'OE'
Wrong Spelling:  crustac-oe-us 
Correct Spelling:  crustac-eo-us 
Check more misspelled words of Crustaceous to spell it correct.