Hexapods - insects see Epiclass Hexapoda Latreille, 1825 Class Insecta Linnaeus, 1758 - insects Subclass Dicondylia Haeckel, 1866 Infraclass Pterygota Lang, 1888 Division Neoptera Martynov, 1923 Order Plecoptera Latreille, 1802 - stone flies Family Diamphipnoidae