[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Appendiculata {Lankester} Branch Gnathopoda Straus-Durkheim, 1829 Grade Condylopoda Class Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Grade Entomostraca 1 Order Cirrhipedia 2 Order Copepoda H. Milne-Edwards, 1840 see Class Copepoda H. Milne-Edwards, 1840 3 Order Ostracoda Latreille, 1806 see Class Ostracoda Latreille, 1802 4 Order Branchiopoda Latreille, 1817