Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Order Scorpiones Koch, 1837 - scorpions
           Suborder Neoscorpionina Thorell & Lindström, 1885
             Infraorder Orthosternina Pocock, 1911 see Infraorder Orthosterni Pocock, 1911
               Family Buthidae Koch, 1837
                 01 Genus Afghanobuthus Lourenço, 2005 see Genus Mesobuthus Vachon, 1950
                 02 Genus Ananteroides Borelli, 1911
                 03 Genus Cicileiurus Teruel, 2007
                 04 Genus Femtobuthus Lowe, 2010
                 05 Genus Mauritanobuthus Qi & Lourenço, 2007
                 06 Genus Pantobuthus Lourenço & Duhem, 2009
                 07 Genus Physoctonus Mello-Leitão, 1934
                 08 Genus Picobuthus Lowe, 2010
                 09 Genus Riftobuthus Lourenço, Duhem & Cloudsley-Thompson, 2010 see Genus Parabuthus Pocock, 1890
                 10 Genus Saharobuthus Lourenço & Duhem, 2009