Acemeigenia Townsend, 1927 accepted as Vibrissina Rondani, 1861 (original description)
Achaetoneuropsis Townsend, 1927 accepted as Lespesia Robineau-Desvoidy, 1863 (original description)
Actinactia Townsend, 1927 accepted as Ceromya Robineau-Desvoidy, 1830 (original description)
Actinodoria Townsend, 1927 (original description)
Actinoprosopa Townsend, 1927 accepted as Houghia Coquillett, 1897 (original description)
Actinotachina Townsend, 1927 accepted as Lixophaga Townsend, 1908 (original description)
Alophorellopsis Townsend, 1927 accepted as Phasia Latreille, 1804 (original description)
Ametadoria Townsend, 1927 (original description)
Amicrotrichomma Townsend, 1927 (original description)
Anaphorinia Townsend, 1927 accepted as Leptostylum Macquart, 1851 (original description)
Anazygosturmia Townsend, 1927 accepted as Drino Robineau-Desvoidy, 1863 (original description)
Anoxynops Townsend, 1927 (original description)
Aphriosphyria Townsend, 1927 accepted as Peleteria Robineau-Desvoidy, 1830 (original description)
Aphyrosphyria Townsend, 1927 accepted as Aphriosphyria Townsend, 1927 accepted as Peleteria Robineau-Desvoidy, 1830 (original description)
Aplomyopsis Townsend, 1927 (original description)
Archinactia Townsend, 1927 accepted as Arrhinactia Townsend, 1927 (original description)
Archytoepalpus Townsend, 1927 (original description)
Argyrodoria Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Arrhinactia Townsend, 1927 (original description)
Avibrissosturmia Townsend, 1927 (original description)
Belvosiopsis Townsend, 1927 accepted as Belvosia Robineau-Desvoidy, 1830 (original description)
Biohypostena Townsend, 1927 accepted as Lixophaga Townsend, 1908 (original description)
Bischofimyia Townsend, 1927 (original description)
Bolodoria Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Bolohoughia Townsend, 1927 accepted as Houghia Coquillett, 1897 (original description)
Brachybelvosia Townsend, 1927 (original description)
Brachycnephalia Townsend, 1927 (original description)
Caeniopsis Townsend, 1927 (original description)
Caenisoma Townsend, 1927 accepted as Italispidea Townsend, 1927 (original description)
Calocarcelia Townsend, 1927 (original description)
Calolydella Townsend, 1927 (original description)
Calothelaira Townsend, 1927 accepted as Calodexia Wulp, 1891 (original description)
Camptophryno Townsend, 1927 (original description)
Catajurinia Townsend, 1927 (original description)
Cataphorinia Townsend, 1927 accepted as Lixophaga Townsend, 1908 (original description)
Catasarcophaga Townsend, 1927 accepted as Ravinia Robineau-Desvoidy, 1863 (original description)
Catheteronychia Townsend, 1927 accepted as Microcerella Macquart, 1851 (original description)
Catocyptera Townsend, 1927 accepted as Cylindromyia Meigen, 1803 (original description)
Ceromasiopsis Townsend, 1927 (original description)
Chaetodoria Townsend, 1927 (original description)
Chaquimayoia Townsend, 1927 accepted as Lixophaga Townsend, 1908 (original description)
Charapozelia Townsend, 1927 (original description)
Chlorohystricia Townsend, 1927 (original description)
Chrysoerigone Townsend, 1927 accepted as Chrysotachina Brauer & Bergenstamm, 1890 (original description)
Chrysophryno Townsend, 1927 (original description)
Cianogymnomma Townsend, 1927 accepted as Cyanogymnomma Townsend, 1927 (original description)
Clithoxynops Townsend, 1927 accepted as Clythoxynops Townsend, 1927 accepted as Euhalidaya Curran, 1934 accepted as Euhalidaya Walton, 1914 (original description)
Clythopsis Townsend, 1927 accepted as Ceracia Rondani, 1865 (original description)
Clythoxynops Townsend, 1927 accepted as Euhalidaya Curran, 1934 accepted as Euhalidaya Walton, 1914 (original description)
Conactia Townsend, 1927 (original description)
Cordillerodexia Townsend, 1927 (original description)
Corpulentoepalpus Townsend, 1927 (original description)
Croesoactia Townsend, 1927 (original description)
Cyanogymnomma Townsend, 1927 (original description)
Dactylodidyma Townsend, 1927 (original description)
Dexomyophora Townsend, 1927 accepted as Lepidodexia Brauer & Bergenstamm, 1891 (original description)
Didymops Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Discomyophora Townsend, 1927 accepted as Lepidodexia Brauer & Bergenstamm, 1891 (original description)
Dolichopalpellus Townsend, 1927 (original description)
Eclausicella Townsend, 1927 accepted as Euclausicella Townsend, 1927 accepted as Italispidea Townsend, 1927 (original description)
Egameigenia Townsend, 1927 (original description)
Empheremyiops Townsend, 1927 (original description)
Epicuphocera Townsend, 1927 (original description)
Epidolichostoma Townsend, 1927 accepted as Dolichostoma Townsend, 1912 (original description)
Epiphyllophila Townsend, 1927 accepted as Phyllophilopsis Townsend, 1915 (original description)
Epiprospherysa Townsend, 1927 accepted as Lixophaga Townsend, 1908 (original description)
Eubischofimyia Townsend, 1927 (original description)
Euboettcheria Townsend, 1927 accepted as Peckia Robineau-Desvoidy, 1830 (original description)
Eucelatoriopsis Townsend, 1927 accepted as Eucelatoria Townsend, 1909 (original description)
Euclausicella Townsend, 1927 accepted as Italispidea Townsend, 1927 (original description)
Euempheremyia Townsend, 1927 (original description)
Eugymnochaetopsis Townsend, 1927 accepted as Linnaemya Robineau-Desvoidy, 1830 (original description)
Eugymnogaster Townsend, 1931 accepted as Freraea Robineau-Desvoidy, 1830 (original description)
Euhemiargyra Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Euhuascaraya Townsend, 1927 (original description)
Euloewiodoria Townsend, 1927 (original description)
Eumachaeraea Townsend, 1927 (original description)
Eumacrohoughia Townsend, 1927 accepted as Houghia Coquillett, 1897 (original description)
Euthelairopsis Townsend, 1927 accepted as Neomintho Brauer & Bergenstamm, 1891 (original description)
Euthelyconychia Townsend, 1927 (original description)
Exodexia Townsend, 1927 (original description)
Exoernestia Townsend, 1927 accepted as Chrysotachina Brauer & Bergenstamm, 1890 (original description)
Geneopsis Townsend, 1927 accepted as Genea Rondani, 1850 (original description)
Gymnocamptops Townsend, 1927 accepted as Lepidodexia Brauer & Bergenstamm, 1891 (original description)
Gymnodoria Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Gymnommopsis Townsend, 1927 (original description)
Gymnosturmia Townsend, 1927 accepted as Topomeigenia Townsend, 1919 (original description)
Harrisiopsis Townsend, 1927 accepted as Leschenaultia Robineau-Desvoidy, 1830 (original description)
Helicobiopsis Townsend, 1927 accepted as Helicobia Coquillett, 1895 (original description)
Heliolydella Townsend, 1927 accepted as Eucelatoria Townsend, 1909 (original description)
Helioprosopa Townsend, 1927 (original description)
Hemiargyrophylax Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Hemiargyropsis Townsend, 1927 accepted as Myiopharus Brauer & Bergenstamm, 1890 (original description)
Hemilydella Townsend, 1927 accepted as Eucelatoria Townsend, 1909 (original description)
Hemimasipoda Townsend, 1927 accepted as Winthemia Robineau-Desvoidy, 1830 (original description)
Hemisturmia Townsend, 1927 (original description)
Homohypochaeta Townsend, 1927 (original description)
Huascarayopsis Townsend, 1927 (original description)
Humisturmia Townsend, 1927 accepted as Hemisturmia Townsend, 1927 (original description)
Hypodoria Townsend, 1927 (original description)