Tetrapulmonata Shultz, 1990
   Superorder Serikodiastida Garwood & Dunlop, 2014
     1 Order †Uraraneida Selden & Shear, 2008
     2 Order Araneida Clerck, 1757 - spiders
     3 Genus †Idmonarachne Garwood, Dunlop, Selden, Spencer, Atwood, Vo & Drakopoulos, 2016