polyplacophora

4 definitions found

polyplacophora - Collaborative International Dictionary of English v.0.48 :

  Isopleura \I`so*pleu"ra\, n. pl. [NL. See Iso-, and Pleura.]
     (Zool.)
     A subclass of Gastropoda, in which the body is symmetrical,
     the right and left sides being equal.
     [1913 Webster]
  
     Note: The intestine terminates at the posterior end of the
           body, and the gills and circulatory and reproductive
           organs are paired. It includes the chitons
           (Polyplacophora), together with Neomenia and
           Ch[ae]toderma, which are wormlike forms without a
           shell.
           [1913 Webster]

  Placophora \Pla*coph"o*ra\ (pl[.a]*k[o^]f"[-o]*r[.a]), n. pl.
     [NL., from Gr. pla`x, plako`s, tablet + fe`rein to bear.]
     (Zool.)
     A division of gastropod Mollusca, including the chitons. The
     back is covered by eight shelly plates. Called also
     Polyplacophora. See Illust. under Chiton, and
     Isopleura.
     [1913 Webster]

  Polyplacophora \Pol`y*pla*coph"o*ra\, n. pl. [NL. See Poly-,
     and Placophora.] (Zool.)
     See Placophora.
     [1913 Webster]

polyplacophora - WordNet (r) 2.1 (2005) :

  Polyplacophora
      n 1: small class of marine mollusks comprising the chitons;
           sometimes considered an order of the subclass Amphineura
           [syn: Polyplacophora, class Polyplacophora]