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 Superstitioniidae Stahnke, 1940
             Subfamily Typhlochactinae Mitchell, 1968 see Family Typhlochactidae Mitchell, 1968
               Genus Alacran Francke, 1982