[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Scorpiones Koch, 1837 - scorpions
         [Suborder] †Holosternina Kjellesvig-Waering, 1986
           Superfamily †Mesophonoidea Wills, 1910
             Family †Centromachidae Petrunkevitch, 1953
               1 Genus †Anthracochaerilus Kjellesvig-Waering, 1986
               2 Genus †Centromachus Thorell & Lindström, 1885
               3 Genus †Opsieobuthus Kjellesvig-Waering, 1986
               4 Genus †Phoxiscorpio Kjellesvig-Waering, 1986
               5 Genus †Pulmonoscorpius Jeram, 1994