Moinidae
Encyclopedia
Moinidae is a crustacean
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...

 family within the order Cladocera
Cladocera
Cladocera is an order of small crustaceans commonly called water fleas. Around 620 species have been recognised so far, with many more undescribed. They are ubiquitous in inland aquatic habitats, but rare in the oceans. Most are long, with a down-turned head, and a carapace covering the apparently...

. Species within this family are widely occurring including the continents of North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 and Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. In newer classifications it is sometimes included in the family Daphniidae
Daphniidae
Daphniidae is a family in the order Cladocera . Species within this family occur in several places within Africa including Lake Chad in northwest Africa and in the Makgadikgadi Pans in Botswana...

.

Moina
Moina
Moina is a genus of crustaceans within the family Moinidae. The genus was first described by W. Baird in 1850. This genus demonstrates the ability to survive in waters containing high salinity and other impurities, including salt pans...

is one of two genera in the family.
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