Class Scorpionida Latreille, 1810 - scorpions
   Order Scorpiones Koch, 1837 - scorpions
     Suborder Neoscorpionina Thorell & Lindström, 1885
       Infraorder Orthosterni Pocock, 1911
         Superfamily Vaejovoidea Thorell, 1876
           Family Superstitionidae Stahnke, 1940 see Family Superstitioniidae Stahnke, 1940
             Subfamily Typhlochactinae Mitchell, 1968 see Family Typhlochactidae Mitchell, 1968
               1 Genus Alacran Francke, 1982
               2 Genus Sotanochactas Francke, 1986
               3 Genus Typhlochactas Mitchell, 1968