Polyplacophora

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:

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