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 Scorpiones Koch, 1837 - scorpions
                 Family Iuridae Thorell, 1876
                   1 Genus Hadrurus Thorell, 1876
                   2 Genus Hadruroides Pocock, 1893
                   3 Genus Caraboctonus Pocock, 1893
                   4 Genus Iurus Thorell, 1876