Order Scorpiones Koch, 1837 - scorpions
   Suborder Neoscorpionina Thorell & Lindström, 1885
     Infraorder Orthosterni Pocock, 1911
       Parvorder Iurida Soleglad & Fet, 2003
         Superfamily Scorpionoidea Latreille, 1802
           Family Hemiscorpiidae Pocock, 1893
             1 Subfamily Hormurinae Laurie, 1896 see Family Liochelidae Fet & Bechly, 2001 (1879)
             2 Subfamily Hemiscorpiinae Pocock, 1893 see Family Hemiscorpiidae Pocock, 1893
             3 Subfamily Heteroscorpioninae Birula, 1903 [monotypic] see Family Heteroscorpionidae Kraepelin, 1905