[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
               Mygalomorphae Pocock, 1892
                 Superfamily Avicularoidea Worley, 1932, orth. inval. see Superfamily Avicularioidea Simon, 1874
                   01 Family Dipluridae Simon, 1889 - funnel-web spiders
                   02 Family †Fossilcalcaridae Wunderlich, 2015 [monotypic]
                   03 Family Hexathelidae Simon, 1892
                   04 Family Ctenizidae Thorell, 1887 - trap-door spiders
                   05 Family Euctenizidae Raven, 1985
                   06 Family Cyrtaucheniidae Simon, 1889 [monotypic]
                   07 Family Barychelidae Simon, 1889 [monotypic]
                   08 Family Theraphosidae Thorell, 1869 - tarantulas and bird spiders
                   09 Family Nemesiidae Simon, 1889
                   10 Family Microstigmatidae Roewer, 1942 [monotypic]
                   11 Family Actinopodidae Simon, 1892
                   12 Family Migidae Simon, 1889
                   13 Family Paratropididae Simon, 1889, nom. praeval.
                   14 Family Idiopidae Simon, 1889