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
             .1 Family Austroperlidae Tillyard, 1921
             .2 Family Diamphipnoidae
             .3 Family Eustheniidae (Banks, 1913)
             .4 Family Gripopterygidae Enderlein, 1909
             1 Suborder Arctoperlaria Zwick, 1973