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Annelida
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| Hirudinea Oligochaeta Pogonophora Polychaeta |
Websites
The Illinois Natural History Survey Annelida Collection is one of the largest state collections of freshwater oligochaetes in the USA, holding more than 300,000 specimens.
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The INHS Center for Annelida Resources This website established and maintained by Mark J. Wetzel, Research Scientist Curator, Collections Manager, and Database Manager for the INHS Annelida Collection Illinois Natural History Survey (INHS Center for Biodiversity (CBD Champaign, Illinois USA Index To Sections Included Below Or...A guide to scientific information on annelids, and to current worm research and researchers.
http://biodiversity.uno.edu/~worms/annelid.html
The segmented worms, including earthworms, polychaete worms, and leeches.
http://animaldiversity.ummz.umich.edu/annelida.html
Photographs and links to other worm pages.
http://www.iag.net/~seank/welcome.html
Annelid worms, brought to you by Biological Sciences at the University of Paisley.
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Annelida Introduction The annelid worms are thought to have evolved from a primitive coelomate* worm-like ancestor which developed metameric segmentation. The development of a coelom conferred many advantages, including acting as a hydrostatic* means of locomotion.However, in the ancestral coelomate the force...Introduction to the Annelida, the segmented worms.
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Introduction to the Annelida Segmented worms make up the Phylum Annelida. The phylum includes earthworms and their relatives, leeches, and a large number of mostly marine worms known as polychaetes. Various species of polychaete are known as lugworms, clam worms, bristleworms, fire worms, sea...Anatomical illustrations of segmented worms from the University of California at Santa Cruz.
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UCSC Biology 136/Annelida Phylum: Annelida Polychaeta Clitellata Oligochaeta Hirudinea Back to the List of Invertebrate Phyla...