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Top 20 Directory:
Top : Science : Biology : Flora_and_Fauna : Animalia : Mollusca : Bivalvia
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Sites:
  		• Bivalves - Taxonomy on a Half-Shell: Bivalve taxonomy information and research. Includes extensive biobliographic information on bivalve genera. Part of the Partnerships for Enhancing Expertise in Taxonomy (PEET) project of the National Science Foundation.
  		• Field Guide to Freshwater Mussels of the Midwest: Online version of book of the same name, published by the Illinois Natural History Survey.
  		• Freshwater Mussel Genera of the World: Illustrations and information about the various groups.
  		• North Carolina Freshwater Mussels: Species list, species accounts with photos, identification keys, life history, shell anatomy, glossary, and references.
  		• Oyster Reefs: Information about oyster reefs in the Chesapeake Bay region.
  		• Tennessee Freshwater Mussels: McClung Museum virtual exhibit that explores the bivalves' biology and history.
  		• The Eastern Oyster: Crassostrea virginica: Information about the taxonomy and biology of this species from the Maryland Sea Grant.
  		• Unio Gallery: Images of freshwater pearly mussels (unionoids) of North America.
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