Order Araneida Clerck, 1757 - spiders
   Suborder Araneae Clerck, 1757 - tailless spiders
     Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders
       Microorder Mygalomorpha Pocock, 1892 - mygalomorphs see [unranked] Mygalomorphae Pocock, 1892
         Family Ctenizidae Thorell, 1887 - trap-door spiders
           Subfamily Ctenizinae Thorell, 1887
             1 Genus Cteniza Latreille, 1829
             2 Genus Cyrtocarenum Ausserer, 1871
             3 ?Genus Stasimopus Simon, 1892