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| Invertebrate
  Zoology   Kingdom:  Animalia, Phylum: Phoronidea (Contact)   
   CLICK on underlined
  file names and included illustrations to enlarge:             These organisms resemble worms in
  tubes in the ground.  They have a
  U-shaped digestive tract with a conspicuous lophophore.  There is a true coelom and the circulatory
  system includes red blood.  Nephridia
  serve as both excretory organs and genital ducts.  They are hermaphroditic
  with free-swimming larvae.  They have
  no known economic importance.     ------------------------------------   Please see
  following plates for Example Structures of the Phoronidia:   Plate 61 = Phylum: Phoronidia -- Example
  Structure   ==============     |