Tetrapulmonata Shultz, 1990
   Superorder Serikodiastida Garwood & Dunlop, 2014
     Order Araneida Clerck, 1757 - spiders
       Suborder Araneae Clerck, 1757 - tailless spiders
         Infraorder Mesothelae Pocock, 1892 - segmented spiders
           Family †Parvithelidae Wunderlich, 2017 see Family Arthromygalidae Petrunkevitch, 1923
             1 Genus †Parvithele Wunderlich, 2017
             2 Genus †Pulvillothele Wunderlich, 2017