Chelicerata Heymons, 1901
   Scorpiones Koch, 1837 - scorpions
     †Lobosternina Pocock, 1911
       Superfamily †Isobuthoidea Petrunkevitch, 1913
         Family †Pareobuthidae Kjellesvig-Waering, 1986 [monotypic]
           1 Genus †Pareobuthus Wills, 1959