[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       Pantetrapulmonata Shultz, 2007
         [Order] Araneida Clerck, 1757 - spiders
           [Suborder] Araneae Clerck, 1757 - tailless spiders
             [Infraorder] Opisthothelae Pocock, 1892 - unsegmented spiders
               Araneomorphae Smith, 1902
                 CY Spigot Clade Wheeler et al., 2017
                   Superfamily Palpimanoidea Thorell, 1869
                     01 Genus †Seppo Selden & Dunlop, 2014
                     02 Genus †Sinaranea Selden, Huang & Ren, 2008
                     03 Family Mecysmaucheniidae Simon, 1895
                     04 Family Huttoniidae Simon, 1893
                     05 Family †Planarchaeidae Wunderlich, 2017
                     06 Family †Micropalpimanidae Wunderlich, 2008 [monotypic]
                     07 Family Palpimanidae Thorell, 1869, nom. praeval. [monotypic]
                     08 Family †Lagonomegopidae Eskov & Wunderlich, 1995
                     09 Family †Spatiatoridae Petrunkevitch, 1942 [monotypic]
                     10 Family †Vetiatoridae Wunderlich, 2015
                     11 Family Stenochilidae Thorell, 1873
                     12 Family Archaeidae Koch & Berendt, 1854 - assassin spiders