peristomata definition

  • noun:
    • Plural as a type of peristoma.
  • others:
    • In Lamarck's classification, a family of trachelipod gastropods, getting the aperture surrounded by a consistent lip or peristome, and including the genera Valvata, Paludina, and Ampullaria, now dissociated in numerous families. In Addition Peristomidæ.—2. [l. c.] Plural of peristoma.
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