Order Araneida Clerck, 1757 - spiders Suborder Araneae Clerck, 1757 - tailless spiders Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders Microorder Araneomorpha Smith, 1902 - araneomorphs Neocribellatae Caporiacco Dipneumonomorpha Entelegynae Simon, 1893 [plesion] Family †Plumorsolidae Wunderlich, 2008 [monotypic] 1 Genus †Plumorsolus Wunderlich, 2008