[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
                 1 Genus †Argyrarachne Selden, 1999
                 2 Genus †Triassaraneus Selden, 1999
                 3 Family Hypochilidae Marx, 1888
                 4 Family Filistatidae Ausserer, 1867 [monotypic] - cribellate open tube dwellers
                 5 Synspermiata Michalik & Ramírez, 2014
                 6 Family Gradungulidae Forster, 1955
                 7 CY Spigot Clade Wheeler et al., 2017
                 8 Genus †Elvina Thorell, 1870, incertae sedis