Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
   Brachycera Zetterstedt, 1842
     Cyclorrhapha
       Schizophora
         Acalyptratae
           Superfamily Sciomyzoidea Fallen, 1820
             01 Family Coelopidae - kelp flies
             01.0 Family Phycodromidae see Family Coelopidae
             02 Family Dryomyzidae Schiner, 1864
             03 Family Helcomyzidae
             04 Family Helosciomyzidae
             05 Family Heterocheilidae
             06 Family Huttoninidae
             07 Family Phaeomyiidae
             08 Family Ropalomeridae
             09 Family Sciomyzidae Fallen, 1820
             10 Family Sepsidae Walker, 1833