genus daphnia

English Thesaurus

1. water fleas (noun.animal)

hypernym	:	arthropod genus,
definition	:	a genus of arthropods (noun.animal)

member holonym	:	daphnia, water flea,
definition	:	minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae (noun.animal)

member meronym	:	branchiopoda, subclass branchiopoda,
definition	:	primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas (noun.animal)