The Fanniidae are a small, primitive group of Calyptratae, largely confined
  to the Holarctic and temperate Neotropical regions. There are some 265 species
  in 4 genera, with very few species in the Afrotropical (11), Oriental (29),
  and Australasian (14) regions.
  
  Adults are medium-sized to small species and are often mainly dark in body
  and leg color. Males congregate in characteristic dancing swarms beneath
  trees; females are more retiring in habit and are collected by sweeping
  vegetation. Larvae are characterized by their flattened bodies with striking
  lateral protuberances, and live as scavengers in various kinds of decaying
  organic matter.
  Refs.: Chillcott (1961, classif.), Hennig (1965, classif.), Snyder
  (1965, rev. Micronesian spp.), Lyneborg (1970, immat. syst.), Pont (1977,
  rev. Australian spp.), Hardy (1981, rev. Hawaiian spp.), Holloway (1985,
  rev. NZ immat.).
AUSTRALOFANNIA Pont, 1977: 5. Type species: Australofannia
  spiniclunis Pont, 1977, orig. des.
  spiniclunis Pont, 1977: 8. Australia (NSW); Australia (ACT, Tas,
  Vic).
EURYOMMA Stein, 1899: 19. Type species: Euryomma hispaniense Stein, 1899 [= Anthomyia peregrina Meigen, 1826], mon.
  peregrinum Meigen, 1826: 187 (Anthomyia). Germany; Australia
  (NSW, Qld, Vic, WA), Easter I, Fiji, Hawaiian Is [immigrant], NZ (NZ), Norfolk I; pantrop.
       dubia Grimshaw, 1901: 43 (Hoplogaster). Hawaiian Is.
FANNIA Robineau-Desvoidy, 1830: 567. Type species: Fannia saltatrix Robineau-Desvoidy, 1830 [= Musca scalaris Fabricius, 1794], mon.
  HOMALOMYIA Bouché, 1834: 89. Type species: Musca canicularis Linnaeus, 1761, des. Westwood, 1840: 143.
  HOMOLAMYIA. Incorr. orig. spell. of Homalomyia (Bouché,
  1834: 89).
  HOMALOMYA, error for Homalomyia.
  albitarsis Stein, 1911: 105. Bolivia & Chile & Peru; Australia
  (NSW, Vic), Fiji, NZ (NZ); S. Afr., Neotrop. Reg.
  anteroventralis Pont, 1977: 18. Australia (NSW); Australia (Tas,
  Vic, WA).
  anthracinalis Dominguez & Pont, 2014: 24. NZ (NZ).
  australis Malloch, 1923c: 605. Australia (NSW); Australia (ACT, Qld,
  SA, Tas, Vic, WA).
  canicularis Linnaeus, 1761: 454 (Musca; unjust. n. n. for lateralis Linnaeus). "Europa"; widesp. Australia (excl.
  NT), Hawaiian Is [immigant], Kiribati (Gilbert Is), New Caledonia (New Caledonia),
  NZ (Antipodes Is, Auckland I, NZ), PNG (PNG); cosmopol.
       lateralis Linnaeus, 1758: 597 (Musca). Suppressed by I.C.Z.N.,
  1969b: 123.
       fraxinea Hutton, 1901: 75 (Homalomyia). NZ (NZ).
  capitalis Pont, 1977: 35. Australia (ACT); Australia (NSW).
  hollowayae Dominguez & Pont, 2014: 30. NZ (NZ).
howei Pont, 1977: 30. Lord Howe I; Norfolk I.
  laqueorum Dominguez & Pont, 2014: 32. NZ (Snares Is).
leucosticta Meigen, 1826: 328 (Anthomyia). Germany; Australia
  (Qld), Belau, PNG (PNG), Solomon Is; Afrotrop., Nearctic, Oriental, Palearctic
  Regs.
  magnicornis Dominguez & Pont, 2014: 34. NZ (NZ).
  mangerensis Dominguez & Pont, 2014: 35. NZ (Chatham Is).
  mercurialis Dominguez & Pont, 2014: 36. NZ (NZ).
  norfolki Pont, 1977: 22. Norfolk I.
  prisca Stein, 1918: 154. Taiwan; Bonin Is; Oriental Reg.
  pusio Wiedemann, 1830a: 437 (Anthomyia). "Südamerika";
  Easter I, Fiji, Guam, Hawaiian Is [immigrant], Kiribati (Gilbert Is), New Caledonia
  (New Caledonia), Pitcairn Is, Wake I, Western Samoa; Afrotrop., Nearctic,
  Neotrop. Regs.
       femorata Loew, 1861a: 42 (Homalomyia). Cuba.
       glabella Bezzi, 1928: 174. Fiji.
  scalaris Fabricius, 1794: 332 (Musca). Denmark; Australia
  (?SA); Afrotrop., Nearctic, Neotrop., Palearctic Regs.
  tasmaniae Pont, 1977: 25. Australia (Tas); Australia (NSW, SA).
triregum Dominguez & Pont, 2014: 38. NZ (NZ).
ZEALANDOFANNIA Dominguez & Pont, 2014: 40. Type species: Zealandofannia mystacina Dominguez & Pont, 2014, orig. des.
mystacina Dominguez & Pont, 2014: 41. NZ (NZ).