[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Opiliones Sundevall, 1833 - harvestmen
         Phalangida Bristowe, 1949
           Suborder Eupnoi Hansen & Sørensen, 1904 - daddy longlegs
             1 [plesion] Genus †Brigantibunum Dunlop & Anderson, 2005
             2 [plesion] Genus †Macrogyion Garwood, Dunlop, Giribet & Sutton, 2011
             3 [plesion] Family †Kustarachnidae Petrunkevitch, 1949 [monotypic]
             4 Superfamily Caddoidea Banks, 1893 [monotypic]
             5 Superfamily Phalangioidea Latreille, 1802
             6 Genus †Daohugopilio Huang, Selden & Dunlop, 2009