genus arcella

English Thesaurus

1. type genus of the Arcellidae (noun.animal)

hypernym	:	protoctist genus,
definition	:	any genus of Protoctista (noun.animal)

member holonym	:	arcella,
definition	:	an amoeba-like protozoan with a chitinous shell resembling an umbrella (noun.animal)

member meronym	:	arcellidae, family arcellidae,
definition	:	soil and freshwater protozoa; cosmopolitan in distribution (noun.animal)