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 Opiliones Sundevall, 1833 - harvestmen
                 Suborder Cyphophthalmi Simon, 1879 - mite harvestmen
                   Family Sironidae Leach, 1816
                     Genus Siro Latreille, 1795
                       1 Siro carpaticus Rafalski, 1956
                       2 Siro duricorius