living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Uniramia Snodgrass, 1935 see Phylum Arthropoda Siebold, 1848
             Class Insecta Linnaeus, 1758 - insects
               Subclass Pterygota Lang, 1888 - winged insects see Infraclass Pterygota Lang, 1888
                 Infraclass Neoptera Martynov, 1923 - modern, wing-folding insects see Division Neoptera Martynov, 1923
                   Superorder Orthopterodea see Order Orthoptera Olivier, 1789
                     Order Plecoptera Latreille, 1802 - stone flies
                       Suborder Arctoperlaria Zwick, 1973
                         Group Systellognatha Enderlein, 1969 see [unranked] Systellognatha
                           Superfamily Subulipalpia see Superfamily Perloidea Latreille, 1802
                             Family Perlodidae Klapalek, 1912
                               1 Subfamily Isoperlinae (Frison, 1942)
                               2 Genus Filchneria Klapálek, 1908[1907]
                               3 Genus Arcynopteryx Klapálek, 1904