Word Study
Littorina
CIDE DICTIONARY
Littorina, n. [NL. See Littoral.].
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. [1913 Webster]
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