Order Scorpiones Koch, 1837 - scorpions
   Suborder Neoscorpionina Thorell & Lindström, 1885
     Infraorder Orthosterni Pocock, 1911
       Parvorder Iurida Soleglad & Fet, 2003
         Superfamily Iuroidea Thorell, 1876
           Family Caraboctonidae Kraepelin, 1905
             1 Subfamily Caraboctoninae Kraepelin, 1905 see Family Caraboctonidae Kraepelin, 1905
             2 Subfamily Hadrurinae Stahnke, 1974 see Family Hadruridae Stahnke, 1974