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