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"
                   Superfamily Scytodoidea Blackwall, 1864
                     Family Sicariidae Keyserling, 1880
                       1 Subfamily Loxoscelinae
                       2 Subfamily Sicariinae