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 Chelicerata Heymons, 1901
             Class Arachnida Lamarck, 1801
               Order Pseudoscorpionida Latreille, 1817 - false scorpions see Order Pseudoscorpiones De Geer, 1778
                 1 Superfamily Chthonioidea Daday, 1888
                 2 Superfamily Neobisioidea Chamberlin, 1930
                 3 Superfamily Garypoidea Simon, 1879
                 4 Superfamily Cheiridioidea Hansen, 1894
                 5 Superfamily Feaelloidea Ellingsen, 1906
                 6 Superfamily Cheliferoidea Risso, 1826