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 Pholcomorpha Wunderlich, 2020
               Clade "Laminata"
                 Clade "Connata"
                   Clade Lost Tracheae Branch
                     Superfamily Plectreuroidea Simon, 1893
                       Family Plectreuridaeᵀ Simon, 1893
                         1 Genus †Eoplectreurys Selden & Huang, 2010
                         2 Genus †Palaeoplectreurys Wunderlich, 2004
                         3 †"Plectreurys" pittfieldi Penney, 2009