[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Scorpiones Koch, 1837 - scorpions
         Suborder †Bilobosternina Kjellesvig-Waering, 1986
           Superfamily †Branchioscorpionoidea Kjellesvig-Waering, 1986
             Family †Branchioscorpioniidae Dunlop, Penney & Jekel, 2010, orth. inval. [monotypic] see Family Branchioscorpionidae Kjellesvig-Waering, 1986
               1 Genus †Branchioscorpio Kjellesvig-Waering, 1986