Tetrapulmonata Shultz, 1990
   Superorder Serikodiastida Garwood & Dunlop, 2014
     Order Araneida Clerck, 1757 - spiders
       Suborder Araneae Clerck, 1757 - tailless spiders
         Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders
           Microorder Araneomorpha Smith, 1902 - araneomorphs
             Clade Neocribellatae Caporiacco
               Branch Hypochilomorpha [monotypic]
                 Family Hypochilidae Marx, 1888
                   1 Genus Hypochilus Marx, 1888
                   2 Genus Ectatosticta Simon, 1892