[Subphylum] [Chelicerata] Heymons, 1901
   [Order] Araneae Clerck, 1757 - spiders see Suborder Araneae Clerck, 1757
     Suborder Opisthothelae Pocock, 1892 - modern spiders see Infraorder Opisthothelae Pocock, 1892
       Infraorder Araneomorphae Smith, 1902 see [unranked] Araneomorphae Smith, 1902
         Entelegynae Simon, 1893
           Superfamily Araneoidea Clerck, 1757
             symphytognathoids
               1 Family Theridiosomatidae Simon, 1881
               2.1.1.1 Family Synaphridae Wunderlich, 1986
               2.1.1.2 Family Symphytognathidae Hickman, 1931
               2.1.2 Family Mysmenidae Petrunkevitch, 1928
               2.2 Family Anapidae Simon, 1895