Gammarus is an amphipod crustacean genus in the family Gammaridae. It contains more than 200 described species, making it one of the most speciose genera of crustaceans. Different species have different optimal conditions, particularly in terms of salinity, and different tolerances; Gammarus pulex, for instance, is a purely freshwater species, whi...
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http://en.wikipedia.org/wiki/Gammarus
(from the article `gammarid`) any member of the family Gammaridae, the largest of 80 or so families that make up the crustacean order Amphipoda. The name is sometimes also used ...
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http://www.britannica.com/eb/a-z/g/6
Gammarus is a genus of amphipod Crustacea.
Found on
http://www.probertencyclopaedia.com/browse/BG.HTM
No exact match found.
