1. 
   Bathynellacea
   (from the article `crustacean`) ...free; furca present; abdominal appendages reduced or absent; South America and New Zealand; freshwater, in spaces between sand grains; about 5 ... ...segment fused to head; pleopods 1-branched, slender, multisegmented; fresh waters of Australia, New Zealand, and So...
   Found op http://www.britannica.com/eb/a-z/b/31
   
   
2. 
   Bathynellacea
   Bathynellacea is an order of crustaceans which live interstitially in groundwater. Some species can tolerate low salt concentrations, and at least one African species is a thermophile, living in hot springs and tolerating temperatures up to {convert|55|C|F}. Bathynellaceans are minute, blind, worm-...
   Found op http://en.wikipedia.org/wiki/Bathynellacea
   
   

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