Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
   Brachycera Zetterstedt, 1842
     Cyclorrhapha
       Muscomorpha Sharp, 1894
         Schizophora
           Acalyptratae
             Superfamily Sphaeroceroidea Macquart, 1835
               1 Family Chyromyidae Frey, 1921
               2 Family Heleomyzidae Westwood, 1840
               3 Family Sphaeroceridae Macquart, 1835