A snail belongs to a species known as molluscs, and has its own exoskeleton known as a shell. The shell is usually spiraled, and gives a place for the snail to hide when it is threatened. Snails, unlike arthropods, do not have to undergo molting since they have an open shell. read more
snails have an exoskeleton as all other molluscs do, which is what we call a shell. These shells unlike other animal tissues are not made of cells, rather they are composed mostly of calcium carbonate and a little protein. read more
Exoskeleton: Shell of a snail An exoskeleton is an external skeleton that protects the animal and provides points of attachment for the muscles that move appendages. The exoskeletons are non-living coverings, and are made from layers of protein and chitin. read more