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 Euholognatha Zwick, 1973 see [unranked] Euholognatha
                           Superfamily Nemouroidea Billberg, 1820
                             1 Family Nemouridae Billberg, 1820
                             2 Family Notonemouridae Ricker, 1973
                             3 Family Capniidae (Banks, 1900)
                             4 Family Leuctridae Klapalek, 1905
                             5 Family Taeniopterygidae Klapalek, 1905