The True Flies (Diptera) - Order
estimated at 1,000,000 species (125,000 described)
()

(Anisopodidae)
- family

(Axymyiidae)
- family

(Bibionidae)
- family

(Blephariceridae)
- family

(Bolitophilidae)
- family

(Canthyloscelididae)
- family

(Cecidomyiidae)
- family

(Ceratopogonidae)
- family

(Chaoboridae)
- family

(Chironomidae)
- family

(Corethrellidae)
- family

(Culicidae)
- family

(Deuterophlebiidae)
- family

(Diadocidiidae)
- family

(Ditomyiidae)
- family

(Dixidae)
- family

(Hesperinidae)
- family

(Keroplatidae)
- family

(Lygistorrhinidae)
- family

(Mycetophilidae)
- family

(Nymphomyiidae)
- family

(Pachyneuridae)
- family

(Pediciidae)
- family

(Perissommatidae)
- family

(Psychodidae)
- family

(Ptychopteridae)
- family

(Rangomaramidae)
- family

(Scatopsidae)
- family

(Sciaridae)
- family

(Simuliidae)
- family

(Tanyderidae)
- family

(Thaumaleidae)
- family

(Tipulidae)
- family

(Trichoceridae)
- family

(Ansorgiidae)
- family -extinct-

(Antefungivoridae)
- family -extinct-

(Architendipedidae)
- family -extinct-

(Archizelmiridae)
- family -extinct-

(Asiochaoboridae)
- family -extinct-

(Boholdoyidae)
- family -extinct-

(Crosaphididae)
- family -extinct-

(Elliidae)
- family -extinct-

(Eoditomyiidae)
- family -extinct-

(Eopleciidae)
- family -extinct-

(Eopolyneuridae)
- family -extinct-

(Eoptychopteridae)
- family -extinct-

(Gracilitipulidae)
- family -extinct-

(Grauvogeliidae)
- family -extinct-

(Hennigmatidae)
- family -extinct-

(Heterorhyphidae)
- family -extinct-

(Hyperpolyneuridae)
- family -extinct-

(Limnorhyphidae)
- family -extinct-

(Luanpingitidae)
- family -extinct-

(Mesophantasmatidae)
- family -extinct-

(Mesosciophilidae)
- family -extinct-

(Musidoromimidae)
- family -extinct-

(Nadipteridae)
- family -extinct-

(Oligophrynidae)
- family -extinct-

(Oreodomyiidae)
- family -extinct-

(Palaeophoridae)
- family -extinct-

(Parapleciidae)
- family -extinct-

(Paraxymyiidae)
- family -extinct-

(Pleciodictyidae)
- family -extinct-

(Pleciofungivoridae)
- family -extinct-

(Procramptonomyiidae)
- family -extinct-

(Protendipedidae)
- family -extinct-

(Protobibionidae)
- family -extinct-

(Protopleciidae)
- family -extinct-

(Protorhyphidae)
- family -extinct-

(Protoscatopsidae)
- family -extinct-

(Serendipidae)
- family -extinct-

(Siberhyphidae)
- family -extinct-

(Sinotendipedidae)
- family -extinct-

(Strashilidae)
- family -extinct-

(Tanyderophrynidae)
- family -extinct-

(Tethepomyiidae)
- family -extinct-

(Tillyardipteridae)
- family -extinct-

(Tipulodictyidae)
- family -extinct-

(Tipulopleciidae)
- family -extinct-

(Valeseguyidae)
- family -extinct-

(Vladipteridae)
- family -extinct-

(Zhangobiidae)
- family -extinct-
(Brachycera)

(Acartophthalmidae)
- family

(Acroceridae)
- family

(Agromyzidae)
- family

(Anthomyiidae)
- family

(Anthomyzidae)
- family

(Apioceridae)
- family

(Apsilocephalidae)
- family

(Apystomyiidae)
- family

(Asilidae)
- family

(Asteiidae)
- family

(Atelestidae)
- family

(Athericidae)
- family

(Aulacigastridae)
- family

(Austroleptidae)
- family

(Australimyzidae)
- family

(Bolbomyiidae)
- family

(Bombyliidae)
- family

(Brachystomatidae)
- family

(Braulidae)
- family

(Calliphoridae)
- family

(Camillidae)
- family

(Campichoetidae)
- family

(Canacidae)
- family

(Carnidae)
- family

(Celyphidae)
- family

(Centrioncidae)
- family

(Chamaemyiidae)
- family

(Chiropteromyzidae)
- family

(Chloropidae)
- family

(Chyromyidae)
- family

(Clusiidae)
- family

(Coelopidae)
- family

(Conopidae)
- family

(Ctenostylidae)
- family

(Curtonotidae)
- family

(Cypselosomatidae)
- family

(Diastatidae)
- family

(Diopsidae)
- family

(Dolichopodidae)
- family

(Drosophilidae)
- family

(Dryomyzidae)
- family

(Eginiidae)
- family

(Empididae)
- family

(Ephydridae)
- family

(Evocoidae)
- family

(Exeretonevridae)
- family

(Fanniidae)
- family

(Fergusoninidae)
- family

(Glossinidae)
- family

(Gobryidae)
- family

(Helcomyzidae)
- family

(Heleomyzidae)
- family

(Helosciomyzidae)
- family

(Heterocheilidae)
- family

(Heteromyzidae)
- family

(Hippoboscidae)
- family

(Hilarimorphidae)
- family

(Homalocnemiidae)
- family

(Huttoninidae)
- family

(Hybotidae)
- family

(Inbiomyiidae)
- family

(Ironomyiidae)
- family

(Lauxaniidae)
- family

(Lonchaeidae)
- family

(Lonchopteridae)
- family

(Marginidae)
- family

(Megamerinidae)
- family

(Micropezidae)
- family

(Milichiidae)
- family

(Mormotomyiidae)
- family

(Muscidae)
- family

(Mydidae)
- family

(Mystacinobiidae)
- family

(Mythicomyiidae)
- family

(Nannodastiidae)
- family

(Natalimyzidae)
- family

(Nemestrinidae)
- family

(Neminidae)
- family

(Neottiophilidae)
- family

(Neriidae)
- family

(Neurochaetidae)
- family

(Nothybidae)
- family

(Nycteribiidae)
- family

(Odiniidae)
- family

(Oestridae)
- family

(Opetiidae)
- family

(Opomyzidae)
- family

(Oreoleptidae)
- family

(Oreogetonidae)
- family

(Pallopteridae)
- family

(Pantophthalmidae)
- family

(Pelecorhynchidae)
- family

(Periscelididae)
- family

(Phaeomyiidae)
- family

(Phoridae)
- family

(Piophilidae)
- family

(Pipunculidae)
- family

(Platypezidae)
- family

(Platystomatidae)
- family

(Pseudopomyzidae)
- family

(Psilidae)
- family

(Pyrgotidae)
- family

(Rachiceridae)
- family

(Rhagionidae)
- family

(Rhiniidae)
- family

(Rhinophoridae)
- family

(Rhinotoridae)
- family

(Richardiidae)
- family

(Risidae)
- family

(Ropalomeridae)
- family

(Sarcophagidae)
- family

(Scathophagidae)
- family

(Scenopinidae)
- family

(Sciadoceridae)
- family

(Sciomyzidae)
- family

(Sepsidae)
- family

(Somatiidae)
- family

(Sphaeroceridae)
- family

(Stratiomyidae)
- family

(Streblidae)
- family

(Strongylophthalmyiidae)
- family

(Syringogastridae)
- family

(Syrphidae)
- family

(Tabanidae)
- family

(Tachinidae)
- family

(Tachiniscidae)
- family

(Tanypezidae)
- family

(Tephritidae)
- family

(Teratomyzidae)
- family

(Termitoxeniidae)
- family

(Tethinidae)
- family

(Therevidae)
- family

(Thyreophoridae)
- family

(Ulidiidae)
- family

(Ulurumyiidae)
- family

(Vermileonidae)
- family

(Xenasteiidae)
- family

(Xylomyidae)
- family

(Xylophagidae)
- family

(Alinkidae)
- family -extinct-

(Archisargidae)
- family -extinct-

(Chimeromyiidae)
- family -extinct-

(Cratomyiidae)
- family -extinct-

(Eomyiidae)
- family -extinct-

(Eostratiomyiidae)
- family -extinct-

(Eophlebombyiidae)
- family -extinct-

(Eremochaetidae)
- family -extinct-

(Hoffeinsmyiidae)
- family -extinct-

(Kovalevisargidae)
- family -extinct-

(Palaeostratiomyiidae)
- family -extinct-

(Proneottiophilidae)
- family -extinct-

(Prosechamyiidae)
- family -extinct-

(Protapioceridae)
- family -extinct-

(Protobrachyceridae)
- family -extinct-

(Protempididae)
- family -extinct-

(Protomphralidae)
- family -extinct-

(Rhagionemestriidae)
- family -extinct-

(Rhagionempididae)
- family -extinct-

(Uranorhagionidae)
- family -extinct-

(Zhangsolvidae)
- family -extinct-