En`to*mos"tra*ca (?), n. pl. [NL., fr. Gr. cut in pieces + burnt clay, the hard shell of Testacea.] Zool.

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.


© Webster 1913.

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