Snails

Snails

About Snails

Snail is a common name that is applied most often to land snails, terrestrial pulmonate gastropod mollusks. However, the common name 'snail' is also applied to most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract completely into. When the word 'snail' is used in this most general sense, it includes not just land snails but also thousands of species of sea snails and freshwater snails. Occasionally a few other mollusks that are not actually gastropods, such as the Monoplacophora, which superficially resemble small limpets, may also informally be referred to as 'snails'. Snail-like animals that naturally lack a shell, or have only an internal shell, are usually called slugs, and land snails that have only a very small shell (that they cannot retract into) are often called semislugs.

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