Entomostraca
Pronunciation : En`to*mos"tra*ca
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera.
pl.
Source : Webster's Unabridged Dictionary, 1913