Estheriidæ (est her i ide)

pl. [NL., net is. The shell is bivalve; the antenne are highly developed; the antennulæ small; the swimming-feet from 10 to 27 in number; the telson is large, with a pair of appendages; and one or more pairs of legs are chelate in the male. The soft bivalve carapace reseinbles that of Daphnia; but the numerous segments of the body and the foliaceous limbs are those of typical Phyllopod a. The males are equal in number to the females, or may exceed them. The structure of the family is clearly illustrated under Limnetis. Also called Limnadiida. Estheria californica , highly magnified.