Related Clues:

• A gastropod
• Big spiral-shelled mollusc
• Edible gastropod served up by Italian sous-chef
• Big spiral shell
• Not one of the fleet put to sea without leader of navy
• Heavy shell in the past almost landed in church
• Slow mollusc
• Garden mollusc
• Spiral-shelled mollusc
• Marine gastropod mollusc
• Slow-moving mollusc
• Carnivorous mollusc
• Shell used as a trumpet
• No fast food for the French?
• Company new to Church is Shell