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
             Suborder Arctoperlaria Zwick, 1973
               Superfamily Nemouroidea Billberg, 1820
                 Family Leuctridae Klapalek, 1905
                   1 Subfamily Leuctrinae
                   2 Subfamily Megaleuctrinae