[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       Pantetrapulmonata Shultz, 2007
         [Order] Uropygi Thorell, 1882 [monotypic] - whip scorpions
           1 [plesion] Genus †Geralinura Scudder, 1884
           2 [plesion] Genus †Parageralinura Tetlie & Dunlop, 2008
           3 [plesion] Genus †Proschizomus Dunlop & Horrocks, 1996
           4 [plesion] Genus †Prothelyphonus Fritsch, 1904
           5 Family Thelyphonidae Lucas, 1835