Order Araneida Clerck, 1757 - spiders Suborder Araneae Clerck, 1757 - tailless spiders Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders Microorder Araneomorpha Smith, 1902 - araneomorphs Neocribellatae Caporiacco Clade Filistatomorpha [monotypic] - filistatids Family Filistatidae Ausserer, 1867 - cribellate open tube dwellers