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 Chactoidea Pocock, 1893
           Family Chactidae Pocock, 1893
             Subfamily Chactinae Pocock, 1893
               Tribe Chactini Pocock, 1893
                 1 Genus Chactas Gervais, 1844
                 2 Genus Teuthraustes Simon, 1878
                 3 Genus Vachoniochactas González-Sponga, 1978