fuschia snail with dashed shell

>Snail also refers to a chess engine; see Snail (chess) as well as a power source for a rotary snowplow. The name snail applies to most members of the molluscan class Gastropoda that have coiled shells. Other gastropods, which lack a conspicuous shell, are commonly called slugs, and are scattered throughout groups that primarily include snails. Snails are found in freshwater, marine, and terrestrial environments. While most people are familiar with only terrestrial snails, the majority of snails are not terrestrial. Snails with lungs belong to the group Pulmonata, while those with gills belong to the Paraphyletic group. See more at Wikipedia.org...

s commonly known as shell include:An animal shell, the hard, rigid outer covering of an animal such as a mollusk or a turtle. The hard outer layer of some plant fruiting bodies such as nuts.A type of user interface in computer software, often an operating system shell, such as a Unix shell command line interpreter in the Unix operating system or the DOS Shell in MS-DOS. See shell (computing).An electron shell (energy level), consisting of a number of electrons in an orbital around an atomic nucleusThe short name (and Brand) of the Royal Dutch Shell energy multinational, and its US subsidiary Shell Oil CompanyA projectile with explosive charge, shot from a gun; typically shells are larger than bullets and shot from larger guns. See shell (projectile).In physics, see On shell and off shellA structural form, usually made of concrete, that principally derives its strength by virtue of its shape. The term is derived from the primary usage in the context of nature. For example, the shell of an egg, though very thin, is difficult to break because of its shape.A long, narrow, rowed watercraft. See racing shell.A sorting algorithm invented by Donald L. Shell. See shell sort. See more at Wikipedia.org...