Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Order Scorpiones Koch, 1837 - scorpions
           Suborder †Branchioscorpionina Kjellesvig-Waering, 1986
             1 Infraorder †Bilobosternina Kjellesvig-Waering, 1986 see Suborder Bilobosternina Kjellesvig-Waering, 1986
             2 Infraorder †Holosternina Kjellesvig-Waering, 1986 see Suborder Holosternina Kjellesvig-Waering, 1986
             3 Infraorder †Lobosternina Pocock, 1911 see Suborder Lobosternina Pocock, 1911
             4 Infraorder †Meristosternina Kjellesvig-Waering, 1986 see Suborder Meristosternina Kjellesvig-Waering, 1986