Order Scorpiones Koch, 1837 - scorpions
   Suborder Neoscorpionina Thorell & Lindström, 1885
     Infraorder Orthosterni Pocock, 1911
       Parvorder Iurida Soleglad & Fet, 2003
         Superfamily Vaejovoidea Thorell, 1876
           1 Subfamily Smeringurinae Soleglad & Fet, 2008
           2 Subfamily Syntropinae Kraepelin, 1905
           3 Subfamily Vaejovinae Thorell, 1876
           4 Subfamily Stahnkeninae Soleglad & Fet, 2006, orth. inval.