[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
         Synspermiata Michalik & Ramírez, 2014
           Superfamily Scytodoidea Blackwall, 1864
             1.1 Family Ochyroceratidae Fage, 1912
             1.2 Family Psilodercidae Machado, 1951
             2.1 Family Scytodidae Blackwall, 1864 - spitting spiders
             2.2.1 Family Sicariidae Keyserling, 1880
             2.2.2.1 Family Periegopidae Simon, 1893
             2.2.2.2 Family Drymusidae Simon, 1893