1. in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use; [syn: Entomostraca, subclass Entomostraca]
WordNet (r) 3.0 (2006):
subclass Entomostraca
n 1: in some older classifications includes the Branchiopoda and
Copepoda and Ostracoda and Cirripedia; no longer in
technical use [syn: Entomostraca, subclass
Entomostraca]