Gammarus bousfieldi
Encyclopedia
Gammarus bousfieldi is a species of crustacean
in family Gammaridae
. It is endemic to the United States
.
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
in family Gammaridae
Gammaridae
Gammaridae is a family of amphipods. In North America they are included among the folk taxonomic category of "scuds", and otherwise gammarids is usually used as a common name....
. It is endemic to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.