Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats Brachycera Zetterstedt, 1842 Cyclorrhapha Muscomorpha Sharp, 1894 Schizophora Acalyptratae Superfamily Sciomyzoidea Fallen, 1820 1 Family Coelopidae - kelp flies 2 Family Dryomyzidae Schiner, 1864 3 Family Helcomyzidae 4 Family Heterocheilidae 5 Family Phaeomyidae see Family Phaeomyiidae 5 Family Phaeomyiidae 6 Family Sciomyzidae Fallen, 1820 7 Family Sepsidae Walker, 1833