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 †Cretaceothelidae Wunderlich, 2017 [monotypic] 1 Genus †Cretaceothele Wunderlich, 2015