Order Scorpiones Koch, 1837 - scorpions
   Suborder Neoscorpiones Thorell & Lindström, 1885 see Suborder Neoscorpionina Thorell & Lindström, 1885
     Infraorder Orthosterni Pocock, 1911
       Parvorder Iurida Soleglad & Fet, 2003
         Superfamily Scorpionoidea Latreille, 1802
           Family Scorpionidae Latreille, 1802
             Subfamily Scorpioninae Latreille, 1802 see Family Scorpionidae Latreille, 1802
               1 Genus Heterometrus Ehrenberg, 1828
               2 Genus Opistophthalmus Koch, 1837
               3 Genus Pandinus Thorell, 1876
               4 Genus Scorpio Linnaeus, 1758