| Family | Acartophthalmidae Czerny, 1928 Acartophthalmid flies, Shaved-eye flies | 2 14 | Genera Species |
| Family | Australimyzidae Griffiths, 1972
| 1 11 | Genus Species |
| Family | Braulidae Egger, 1853 Bee lice, Bee Louse | 7 15 | Genera Species |
| Family | Canaceidae Jones, 1906 ⇒ Canacidae Beach flies, Surf flies | 11 183 | Genera Species |
| Family | Canacidae Jones, 1906 Beach Flies, Surf Flies, Surge Flies | 14 40 | Genera Species |
| Family | Carnidae Newman, 1834 Bird flies, Bird fly, Carnid flies, Filth flies | 10 165 | Genera Species |
| Family | Chloropidae Schoenherr, 1840 Chloropid flies, Eye flies, Eye Gnats, Frit Flies | 361 5316 | Genera Species |
| Family | Cryptochetidae ♰ Brues & Melander, 1932 Cryptochetid Flies | 7 73 | Genera Species |
| Family | Inbiomyiidae Buck, 2006
| 1 12 | Genus Species |
| Family | Milichiidae Schiner, 1862 Filth flies, Freeloader Flies, Jackal flies | 49 735 | Genera Species |
| Family | Tethinidae Hendel, 1916 ⇒ Canacidae Tethinid flies | 14 282 | Genera Species |