The female lays 200 to 800 eggs at a time. There is no larval stage in the life cycle.
The body of a snail is covered with a shell. This shell is a hard, spherical structure that protects the snail's body from external shocks.
The nervous system, composed of several pairs of ganglia and the nerves connecting them, is shaped like the English number eight (8) due to the torsion of the body.
Their alimentary canal is long and coiled and their digestive gland is also coiled.