Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997 1.1 Subclass †Halicyna Gall & Grauvogel, 1967 see Subclass Branchiura Thorell, 1864 1.2 [Subclass] Copepoda H. Milne-Edwards, 1840 - copepods