Snails are mollusks that have coiled shells. They are found in marine, freshwater and terrestrial environments. Like worms, snails move when their muscular foot undulates like a wave, moving it slowly across a surface.HowStuffWorks: Snail
Classification
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Family: Stylomatophora
- Genus: Helix aspersa
- Type: Invertebrate