[W/K] :: Valvata

1 definition for Valvata

From The Collaborative International Dictionary of English v.0.48 :


  Valvata \Val*va"ta\, n. [NL.; cf. L. valvatus having folding
     doors. See Valve.] (Zool.)
     A genus of small spiral fresh-water gastropods having an
     operculum.
     [1913 Webster]

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