Entomostraca

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Entomostraca \En`to*mos"tra*ca\, n. pl. [NL., fr. Gr. ? cut in
     pieces + ? burnt clay, the hard shell of Testacea.]
     (Zo["o]l.)
     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}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Entomostraca
       n : in some older classifications includes the Branchiopoda and
           Copepoda and Ostracoda and Cirripedia; no longer in
           technical use [syn: {subclass Entomostraca}]