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 Perloidea Latreille, 1802
                 Family Perlodidae Klapalek, 1912
                   1 Subfamily Isoperlinae (Frison, 1942)
                   2 Subfamily Perlodinae