Hexapods - insects see Epiclass Hexapoda Latreille, 1825 Class Insecta Linnaeus, 1758 - insects Subclass Dicondylia Haeckel, 1866 Infraclass Pterygota Lang, 1888 1 Division Ephemeroptera Hyatt & Arms, 1890 2 Division Odonata Fabricius, 1793 see Order Odonata Fabricius, 1793 3 Division Neoptera Martynov, 1923