Tetrapulmonata Shultz, 1990 Superorder Serikodiastida Garwood & Dunlop, 2014 Order Araneida Clerck, 1757 - spiders Suborder †Chimerarachnida Wunderlich, 2018 [monotypic] - tailed spiders 1 Family †Chimerarachnidae Wunderlich, 2019 [monotypic]