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 1 Subfamily Ctenizinae Thorell, 1887 2 Subfamily Halonoproctinae 3 Subfamily Ummidiinae Ortíz, 2007 4 Genus †Parvocteniza Wunderlich, 2020 [monotypic]