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For educational purposes only:

Information on the basics of Invertebrate Zoology

 

 

                      Introduction                                                                                                                                                                                                                         Nematoda

 

An Introduction To The Study of Invertebrate Zoology

Kingdom:  Animalia, Phylum: Phoronidea

(Contact)

 

Phylum:  Phoronidea -- horseshoe

     worms

        Genus:  Phoronis
        Genus:
  Phoronopsis

Bibliography      Citations

Plates

Sample Examinations

Invertebrate Classification

 

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.

 

 

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Please see following plates for Example Structures of the Phoronidia:

 

Plate 61 = Phylum: Phoronidia -- Example Structure

 

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Bibliography

 

             Introduction                                                                                                                                                                                                                        Nematoda