Related Clues:

• Marine mollusc
• Small sea creature
• Edible mollusc
• Sounds as if there's nothing ill with us and with Shell
• Nuclear submarine
• Nuclear sub built from tin with usual reaction
• Just a shell until USA converted it into a nuclear sub
• Insult divers find acceptable to the French sub
• Submarine - mollusc
• Mollusc
• Large, snail-like mollusc
• Captain Nemo's submarine
• Usual tin for a small sea creature
• First nuclear-powered sub
• Edible marine snail