Crossword clues for the word: MOLLUSC The word MOLLUSC has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for MOLLUSC Showing 1 to 4 of 4 results Clue(s) Conch or cockle Invertebrate such as a snail Oyster or octopus Partner of gangster from America caught a slug?