Hexapods - insects see Epiclass Hexapoda Latreille, 1825 Class Insecta Linnaeus, 1758 - insects Subclass Dicondylia Haeckel, 1866 Infraclass Pterygota Lang, 1888 Division Neoptera Martynov, 1923 Subdivision Pareneoptera nom. null. see Subdivision Paraneoptera Phthiraptera see Order Phthiraptera Haeckel, 1896 Order Mallophaga Nitzsch, 1818 - biting lice see Order Phthiraptera Haeckel, 1896