[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Scorpiones Koch, 1837 - scorpions
         [Suborder] †Lobosternina Pocock, 1911
           1 Superfamily †Isobuthoidea Petrunkevitch, 1913
           2 Superfamily †Paraisobuthoidea Kjellesvig-Waering, 1986
           3 Superfamily †Loboarchaeoctonoidea Kjellesvig-Waering, 1986
           4 Superfamily †Palaeophonoidea Thorell & Lindström, 1885 [monotypic]