Definition of: Phyllopoda

(fi·lop′ə·də) noun plural
A division of crustaceans (subclass Entomostraca), with the body elongated, a shell or bivalve carapace, and at least four pairs of flattened, leaflike swimming feet which also function as gills, as the freshwater fairy shrimp. [<NL <Gk. phyllon a leaf + pous, podos a foot]
—phyl·lop′o·dan noun & adjective