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 Synspermiata Michalik & Ramírez, 2014 Subclade Dysderomorpha Superfamily Dysderoidea Koch, 1837 1 Family Dysderidaeᵀ Koch, 1837 2 Family Orsolobidae Cooke, 1965 3 Family Oonopidae Simon, 1890