01 n. pl. One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phy…
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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.(Zoöl.) See: Copepoda, Phyllopoda, Cladocera