Moluscoidea or Molluscoidea: How To spell?
The word Moluscoidea is misspelled against Molluscoidea, a noun meaning "A division of Invertebrata which includes the classes Brachiopoda and Bryozoa; -- called also Anthoid Mollusca."
Molluscoidea has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings mo & uscoidea which should not be misspelled with single 'L'
Wrong Spelling:  mo-l-uscoidea  Correct Spelling:  mo-ll-uscoidea 
Check more misspelled words of Molluscoidea to spell it correct.