After Worthy, Degrange, Handley & Lee, 2017, Agnolín, Egli, Chatterjee, Marsŕ & Novas, 2017, Ericson, 1996, Livezey, 1996, and Murray & Vickers-Rich, 2004

<==o Galloanserae Sibley & Ahlquist, 1990 [Galloanserimorphae (Sibley et al., 1988)]
   |--o Gallomorphae Sibley & Monroe, 1990 [Galliformes (Temmink, 1820) sensu lato]
   |  |--o †Sylviornithidae Mourer-Chauviré & Balouet, 2005 sensu Worthy et al., 2016
   |  |  |-- †Sylviornis neocaledoniae Poplin, 1980
   |  |  `-- †Megavitiornis altirostris Worthy, 2000
   |  `--o Galliformes (Temmink, 1820) (landfowl, i.e. chickens, fowls and relatives; kanalinnut)
   |     |--o †Gallinuloididae Lucas, 1900
   |     |  |-- †Gallinuloides wyomingensis Eastman, 1900; L. Eoc. NA.
   |     |  `--o †Paraortygoides Mayr, 2000; M. Eoc. CEu.
   |     |     |-- †P. messelensis Mayr, 2000
   |     |     `-- †P. radagasti Dyke & Gulas, 2002
   |     |--o †Paraortygidae Mourer-Chauviré, 1992
   |     |  |-- †Pirortyx major (Gaillard, 1939) Brodkorb, 1964 [Palaeortyx major Gaillard, 1939]
   |     |  `--o †Paraortyx Brodkorb, 1964(??)
   |     |     |-- †P. lorteti [Palaeortyx cayluxensis Lydekker, 1891; Palaeortyx gaillardi Lambrecht, 1933; Ludiortyx gaillardi (Lambrecht) Brodkorb, 1964]
   |     |     `-- †P. brancoi
   |     `--+--o †Quercymegapodiidae Mourer-Chauviré, 1992 [incl. Palintropidae]
   |        |  |?-o †Palintropus Brodkorb, 1970 sensu Hope, 2002
   |        |  |  |-- †P. sp. [undescribed, U. Cret. NWNA.] (Hope, 2002)
   |        |  |  `-- †P. retusus (Marsh, 1892) [Cimolopteryx retusa (Marsh, 1892; Apatornis retusus (Marsh, 1892) Brodkorb, 1962]
   |        |  |-- †Taubacrex granivora Alvarenga, 1988
   |        |  |--o †Ameripodius Alvarenga, 1995
   |        |  |  |-- †A. silvasantosi Alvarenga, 1995
   |        |  |  `-- †A. alexis Mourer-Chauviré, 2000
   |        |  `--o †Quercymegapodius Mourer-Chauviré, 1992
   |        |     |-- †Q. depereti (Gaillard, 1908) [Palaeocryptonyx depereti Gaillard, 1908 (non Palaeocryptonyx edwardsi (Depéret, 1887))]
   |        |     `-- †Q. brodkorbi Mourer-Chauviré, 1992
   |        `--o Galliformes sensu stricto [incl. Craciformes] (Recent galliforms; nykykanalinnut)
   |           |--o †Taoperdix
   |           |  |-- †T. pesseiti (Gervais, 1862)
   |           |  `-- †T. miocaena [=? Palaeortyx miocaena Gaillard, 1939 (jr. synon. of Palaeocryptonyx edwardsi (Depéret, 1887))]
   |           |--o Craci Sibley et al., 1988 sensu Livezey & Zusi, 2007
   |           |  |--o Megapodioidea (Lesson, 1831) (isojalkakanojensukuiset kanalinnut)
   |           |  |  `-- Megapodidae Lesson, 1831 (megapodes and relatives; isojalkakanat, malleekanat)
   |           |  `--o Cracoidea (Vigors, 1825) (currasow-like galliforms; hokkokanojensukuiset kanalinnut)
   |           |     |?- †Procrax brevipes Tordoff & Macdonald, 1957
   |           |     `-- Cracidae Vigors, 1825 (currasows and relatives; hokkokanat)
   |           `--o Phasiani (Vigors, 1825) sensu Livezey & Zusi, 2007
   |              |--o Meleagridoidea (Gray, 1840) (turkeys; kalkkunat)
   |              |  `-- Meleagrididae Gray, 1840 (turkeys; kalkkunat)
   |              `--o Phasianoidea (Vigors, 1825) sensu Livezey & Zusi, 2007 (peltokanojensukuiset kanalinnut)
   |                 `==o Phasianidae (Vigors, 1825) sensu Livezey & Zusi, 2007 [incl. Tetraonidae, Numididae, & Odontophoridae] (pheasants and relatives; peltokanat & mesäkanat)
   |                    |-- Tetraoninae (Vigors, 1838)
   |                    |-- Perdicinae (Bonaparte, 1838)
   |                    |-- Odontophorinae Gould, 1844 (New World quails; amerikanpeltokanat)
   |                    |-- Phasianinae Vigors, 1825
   |                    `-- Numidinae Reichenbach, 1850 (guinea fowls; helmikanat)
   `--o Anserimorphae Sibley & Monroe, 1990
      |--o †Vegaviiformes Worthy, Degrange, Handley & Lee, 2017
      |  `--o †Vegaviidae Agnolín, Egli, Chatterjee, Marsŕ & Novas, 2017
      |     |-- †Neogaeornis wetzeli Lanbrecht, 1929; U. Cret. Ant. [previously treated as basal Caviiformes]
      |     |-- †Polarornis gregorii Chatterjee, 2002; U. Cret. Ant. [nomen nudum, jr. synon. to Neogaeornis wetzeli??] [previously treated as basal Caviiformes]
      |     |-- †Vegavis iaai Clarke, Tambussi, Noriega, Erickson & Ketcham, 2005
      |     `-- †Australornis lovei Mayr & Scofield, 2014 [treated as Neornithes indet.]
      `--+--o †Gastornithiformes Stejneger, 1885 sensu Worthy et al., 2017 [Diatrymiformes Shufeldt, 1913; incl.Dromornithiformes Fürbringer, 1888]
         |  |--o †Gastornithes Stejneger, 1885 sensu Worthy et al., 2017
         |  |  `--o †Gastornithidae Fürbringer 1888 [Diatrymatidae Shufeldt, 1913] (diatrymit)
         |  |     |-- †Zhongyuanus xichuanensis Hou, 1980
         |  |     `--o †Gastornis Hébert, 1855 [Diatryma Cope 1876; Barornis Marsh, 1894; Omorhamphus Sinclair, 1928]
         |  |        |-- †G. parisiensis Hébert, 1855 [G. edwardsii Lemoine, 1878; G. klaasseni Newton, 1885] [type]
         |  |        |-- †G. ajax (Shufeldt 1913) [Diatryma ajax Shufeldt 1913]
         |  |        |-- †G. giganteus (Cope, 1876) [Diatryma gigantea Cope, 1876; Barornis regens Marsh, 1894; Omorhamphus storchii Sinclair, 1928; Omorhamphus storchi Wetmore, 1931(unjust. emend.)]
         |  |        |?- †G. geiselensis [Diatryma geiselensis]
         |  |        |-- †G. sarasini Schaub, 1929
         |  |        `-- †G. russeli Martin, 1992
         |  `--o †Dromornithes Fürbringer, 1888 sensu Worthy et al., 2017
         |     `--o †Dromornithidae Fürbringer, 1888 sensu Murray & Vickers-Rich, 2004 (mihirungs; mihirungit)
         |        |?- †Dromornithidae genera et species indet.
         |        |?- †“Barawertornis” sp.
         |        |-- †Barawertornis tedfordi Rich, 1979
         |        `--+--+-- †“Ilbandornis”? lawsoni Rich, 1979
         |           |  `-- †Genyornis newtoni Sterling & Ziets, 1896
         |           `--+--+-- †“Bullockornis” sp. Rich, 1979
         |              |  `--†Ilbandornis woodburnei Rich, 1979
         |              `--o †Dromornis Owen, 1872 sensu Worthy, Handley, Archer & Hand, 2016
         |                 |-- †Bullockornis planei Rich, 1979 [Dromornis planei (Rich, 1979) Worthy, Handley, Archer & Hand, 2016]
         |                 `--o †Dromornis Owen, 1872
         |                    |-- †D. australis Owen, 1872
         |                    |-- †D. stirtoni Rich, 1979
         |                    `-- †D. murrayi Worthy, Handley, Archer & Hand, 2016
         `--o Anseriformes Wagler, 1831 (waterfowls; sorsalinnut)
            |--o Anhimae Wetmore & Miller, 1926 (Screamers; romiskot)
            |  |?- †Chaunoides antiquus
            |  `--o Anhimidae Stejneger, 1885 (Screamers; romiskot)
            |     |-- Anhima cornuta (Linnaeus, 1766) Brisson, 1760 (Horned screamer; sarviromisko)
            |     `--o Chauna Illiger, 1811 (Crested screamers; röyhyromiskot)
            |        |-- C. chavaria (Linnaeus, 1766) (Northern crested screamer; kaulusromisko)
            |        `-- C. torquata (Oken, 1816) (Southern crested screamer; töyhtöromisko)
            `--o Anseres Wagler, 1831 (True waterfowls; sorsat)
               |--o Anseranatidae Sclater, 1880 [Anseranatoidea Sclater, 1880] sensu Olson, 1999 (magpie-geese; puuhanhet)
               |  |--o †Anatalavis (Shufeldt, 1915) Olson & Parris, 1987 [Telmatornis Shufeldt, 1915] [Anatalavinae]
               |  |  |-- †A. rex (Shufeldt, 1915) [Telmatornis rex Shufeldt, 1915]
               |  |  `-- †A. oxfordi Olson, 1999
               |  `-- Anseranas semipalmata (Latham, 1798) Lesson, 1828 [Anseranatinae Sclater, 1880] (Magpie goose; puuhanhi)
               `--o Anatoidea Leach, 1820 sensu Livezey, 1997 (true waterfowls; sorsansukuiset sorsat)
                  |--o †Presbyornithidae Wetmore, 1926 [= Graculavidae?]
                  |  |?- †Teviornis gobiensis Kurochkin, Dyke & Karhu, 2002, L. Cret. EAs.
                  |  |-- †Telmabates antiquus Howard, 1955
                  |  |-- †Headonornis hantoniensis (Lydekker, 1891) Harrison & Walker, 1976 [Agnopterus? hantoniensis Lydekker, 1891] [may be senior synonym of Presbyornis isoni (Dyke, 2001)]
                  |  |--o †Wilaru Boles, Finch, Hofheins, Vickers-Rich, Walters & Rich, 2013 sensu De Pietri et al.,2016
                  |  |  |-- †W. tedfordi Boles, Finch, Hofheins, Vickers-Rich, Walters & Rich, 2013
                  |  |  `-- †W. prideauxi De Pietri, Scofield, Zelenkov, Boles & Worthy, 2016
                  |  `--o †Presbyornis Wetmore, 1926
                  |     |?- †P. recurvirostra (Hardy, 1959)
                  |     |?- †P. isoni Olson, 1994 [status dubious, possibly jr. synon. of Headonornis hantoniensis]
                  |     `-- †P. pervetus Wetmore, 1926
                  `--+-- †Romainvillia stehlini Lebedinsky 1927
                     |?-o †Cnemiornithidae Stejneger, 1885 (New Zeeland Geese; uudenseelanninhanhet)
                     |  `--o †Cnemiornis Owen, 1866 (New Zeeland Geese; uudenseelanninhanhet)
                     |     |-- †C. calcitrans Owen, 1866 (South Island Goose; eteläsaaren hanhi)
                     |     `-- †C. gracilis Forbes, 1894 (North Island Goose; pohjoissaaren hanhi)
                     `-- Anatidae Leach, 1820 (ducks, geese, swans; sorsat, hanhet, joutsenet)

After Ericson, 1996, Livezey, 1996, Murray & Vickers-Rich, 2004, and Agnolín, Egli, Chatterjee, Marsŕ & Novas, 2017

<==o Galloanserae
   |?-o †Diatrymiformes
   |  `-- †Gastornithidae
   |--o Anseriformes
   |  |-- †Vegaviidae
   |  `--+--o Anhimae
   |     |  |-- †Chaunoides
   |     |  |-- Anhimidae
   |     |  `?- †Dromornithidae sensu Murray & Vickers-Rich, 2004
   |     `--o Anseres
   |        |--o Anseranatoidea
   |        |  `-- Anseranatidae
   |        `--o Anatoidea
   |           |-- †Presbyornithidae
   |           `--+?- †Cnemiornithidae
   |              `-- Anatidae
   `--+?- †Dromornithidae sensu Worthy et al., 2016
      `--+-- †Sylviornithidae
         `--o Galliformes
            |-- †Gallinuloididae
            |-- †Paraortygidae
            `--+-- †Quercymegapodiidae
               `--o Galliformes sensu stricto
                  |--o Craci
                  |  |--o Megapodioidea
                  |  |  `-- Megapodidae
                  |  `--o Cracoidea
                  |     `-- Cracidae
                  `--o Phasiani
                     |--o Meleagridoidea
                     |  `-- Meleagrididae
                     `--o Phasianoidea
                        `==o Phasianidae
                           |-- Tetraoninae
                           |-- Perdicinae
                           |-- Odontophorinae
                           |-- Phasianinae
                           `-- Numidinae

After Sibley & Monroe, 1990

<==o Galloanserae
   |--o Anserimorphae
   |  `--o Anseriformes
   |     |--o Anhimides
   |     |  |--o Anhimoidea
   |     |  |  `-- Anhimidae
   |     |  `--o Anseranatoidea
   |     |     `-- Anseranatidae
   |     `--o Anserides
   |        |-- Dendrocygnidae
   |        `--o Anatidae
   |           |-- Oxyurinae
   |           |-- Stictonettinae
   |           |-- Cygninae
   |           `--o Anatinae
   |              |-- Anserini
   |              `-- Anatini
   `--o Gallomorphae
      |--o Craciformes
      |  |--o Craci
      |  |  `-- Cracidae
      |  `--o Megapodii
      |     `-- Megapodiidae
      `--o Galliformes
         |--o Odontophorida
         |  `-- Odontophoridae
         `--o Phasanida
            |--o Phasanoidea
            |  `-- Phasianidae
            `--o Numinoidea
               `-- Numididae

Reference(s):