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 Solpugida - solpugids see Order Solifugae Sundevall, 1833
                 Family Karschiidae Kraepelin, 1899
                   1 Genus Karschia Walter, 1889
                   2 Genus Barrus Simon, 1880[1881]
                   3 Genus Barrella Hirst, 1910
                   4 Genus Eusimonia Kraepelin, 1899
                   5 Genus Rhinippus Werner, 1906