littorina Meaning, Definition & Usage

  1. noun type genus of the family Littorinidae: periwinkles
    genus Littorina.

WordNet

Lit"to*ri"na noun
Etymology
NL. See Littoral.
Definitions
  1. (Zoöl.) 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 1913