[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Scorpiones Koch, 1837 - scorpions
         [Suborder] †Lobosternina Pocock, 1911
           Superfamily †Isobuthoidea Petrunkevitch, 1913
             Family †Eoscorpiidae Scudder, 1884
               1 Genus †Eoscorpius Meek & Worthen, 1868
               2 Genus †Eskiscorpio Kjellesvig-Waering, 1986
               3 Genus †Trachyscorpio Kjellesvig-Waering, 1986