Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
   Brachycera Zetterstedt, 1842
     Cyclorrhapha
       Muscomorpha Sharp, 1894
         Aschiza
           Superfamily Platypezoidea Fallen, 1815
             Family Opetiidae Kessel & Maggioncalda, 1968