[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Scorpiones Koch, 1837 - scorpions
         Suborder Neoscorpionina Thorell & Lindström, 1885
           Infraorder Orthosterni Pocock, 1911
             Parvorder Buthida Soleglad & Fet, 2003
               Superfamily Buthoidea Koch, 1837
                 Family Buthidae Koch, 1837
                   01 Genus Centruroides Marx, 1890
                   02 ?Genus †Cretaceousbuthus Lourenço, 2022
                   03 Genus Microcharmus Lourenço, 1995
                   04 Genus Microtityus Kjellesvig-Waering, 1966
                   05 Genus †Palaeoakentrobuthus Lourenço & Weitschat, 2000
                   06 Genus †Palaeoananteris Lourenço & Weitschat, 2001
                   07 Genus †Palaeoisometrus Lourenço & Weitschat, 2005
                   08 Genus †Palaeogrosphus Lourenço, 2000
                   09 Genus †Palaeolychas Lourenço & Weitschat, 1996
                   10 Genus †Palaeoprotobuthus Lourenço & Weitschat, 2000
                   11 Genus †Palaeospinobuthus Lourenço, Henderickx & Weitschat, 2005
                   12 Genus †Palaeotityobuthus Lourenço & Weitschat, 2000
                   13 Genus Tityus Koch, 1836
                   14 Genus †Uintascorpio Perry, 1995