Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
Brachycera Zetterstedt, 1842
Tabanomorpha Hennig, 1948
1 Family Acroceridae Leach, 1815
2 Family Athericidae Stuckenberg, 1973
3 Family Austroleptidae (Nagatomi, 1982)
4 Family Nemestrinidae Macquart, 1834
5 Family Oreoleptidae
6 Family Rhagionidae Latreille, 1802
7 Family Spaniidae
8 Family Tabanidae Latreille, 1802 - horse flies, deerflies, and clegs
9 Family Xylophagidae Fallén, 1810