Littorina

Littorina

Lit"to*ri"na\, n. [NL. See Littoral.] (Zo["o]l.) A genus of small pectinibranch mollusks, having thick spiral shells, abundant between tides on nearly all rocky seacoasts. They feed on seaweeds. The common periwinkle is a well-known example. See Periwinkle.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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