Order Scorpiones Koch, 1837 - scorpions
Status: extant
   Suborder Neoscorpionina Thorell & Lindström, 1885
  Status: extant
     Infraorder Orthosterni Pocock, 1911
    Status: extant
       Parvorder Iurida Soleglad & Fet, 2003
      Status: extant
         Family Heteroscorpionidae Kraepelin, 1905, incertae sedis
        Status: extant