Hexapods - insects see Epiclass Hexapoda Latreille, 1825
Count: -
   Class Insecta Linnaeus, 1758 - insects
  Count: -
     Subclass Dicondylia Haeckel, 1866
    Count: [o] 30o
       Infraclass Pterygota Lang, 1888
      Count: [o] 29o
         Division Neoptera Martynov, 1923
        Count: [o] 27o
           Order Plecoptera Latreille, 1802 - stone flies
          Count: [g] 13f;102g
             Suborder Arctoperlaria Zwick, 1973
            Count: [g] 9f;102g
               Superfamily Pteronarcyoidea Newman, 1853
              Count: [g] 2f;8g
                 Family Peltoperlidae Claassen, 1931
                Count: [g] 6g
                   1 Genus Peltoperla Needham, 1905
                  Count: -
                   2 Genus Sierraperla Jewett, 1954
                  Count: -
                   3 Genus Soliperla Ricker, 1952
                  Count: -
                   4 Genus Tallaperla Stark & Stewart, 1981
                  Count: -
                   5 Genus Viehoperla Ricker, 1952
                  Count: -
                   6 Genus Yoraperla Ricker, 1952
                  Count: -