GALLOANSERAE
  |--Anseriformes
  |    \--+-----Anhimidae (Screamers)
  |       \--+--Anseranatidae (Magpie-Goose)
  |          \--+--Presbyornithidae [extinct]
  |             \--Anatidae (Ducks, Geese, Swans)
  |
  \--Galliformes
       \--+--Megapodiidae (Megapodes)
          \--+--Cracidae (Chachalacas, Curassows, Guans)
             \--+--Numididae (Guineafowl)
                \--+--Odontophoridae (New World Quail)
                   \--Phasianidae (Turkeys, Grouse, Pheasants, Partridges)
                        |--Rollulinae (Asiatic Partridges)
                        \--+--Pavoninae (Peafowl, Peacock-Pheasants)
                           \--Phasianinae (Partridges, Pheasants, Grouse, Turkeys)