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articulata


articulata

 

  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Articulata  \Ar*tic`u*la"ta\  ([aum]r*t[i^]k`[-u]*l[=a]"t[.a]),  n. 
  pl  [Neut.  pl  from  L.  articulatus  furnished  with  joints, 
  distinct,  p.  p.  of  articulare.  See  {Article},  v.]  (Zo["o]l.) 
  1.  One  of  the  four  subkingdoms  in  the  classification  of 
  Cuvier  It  has  been  much  modified  by  later  writers. 
 
  Note:  It  includes  those  Invertebrata  having  the  body  composed 
  of  a  series  of  ringlike  segments  (arthromeres).  By  some 
  writers,  the  unsegmented  worms  (helminths)  have  also 
  been  included;  by  others  it  is  restricted  to  the 
  Arthropoda.  It  corresponds  nearly  with  the  Annulosa  of 
  some  authors.  The  chief  subdivisions  are  Arthropoda 
  (Insects,  Myriapoda,  Malacopoda,  Arachnida, 
  Pycnogonida,  Crustacea);  and  Anarthropoda,  including 
  the  Annelida  and  allied  forms. 
 
  2.  One  of  the  subdivisions  of  the  Brachiopoda,  including 
  those  that  have  the  shells  united  by  a  hinge. 
 
  3.  A  subdivision  of  the  Crinoidea.