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
             Subfamily Hormurinae Laurie, 1896 see Family Liochelidae Fet & Bechly, 2001 (1879)
               1 Genus Cheloctonus Pocock, 1892
               2 Genus Chiromachetes Pocock, 1899
               3 Genus Chiromachus Pocock, 1893
               4 Genus Hadogenes Kraepelin, 1894
               5 Genus Iomachus Pocock, 1893
               6 Genus Liocheles Sundevall, 1833
               7 Genus Opisthacanthus Peters, 1861
               8 Genus Palaeocheloctonus Lourenço, 1996