After Olson, 1985, Feduccia, 1996, Dyke & Gulas, 2002, Mayr & Weidig, 2004, and Livezey & Zusi, 2007

<==o Galliformes Temminck, 1820 (landfowl; 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 (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 [Sylviornithidae Mourer-Chauviré & Balouet, 2005] (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 & kalkkunat)
                  |-- Tetraoninae (Vigors, 1838)
                  |-- Perdicinae (Bonaparte, 1838)
                  |-- Odontophorinae Gould, 1844 (New World quails; amerikanpeltokanat)
                  |-- Phasianinae Vigors, 1825
                  `-- Numidinae Reichenbach, 1850 (guinea fowls; helmikanat)

Galliformes incertae sedis:

Argillipes Harrison & Walker, 1977
        †A. aurorum Harrison & Walker, 1977
        †A. paralectoris Harrison & Walker, 1977
    †Percolinus venablesi Harrison & Walker, 1977
    †Coturnipes cooperi Harrison & Walker, 1977

Alternative phylogeny after Dyke & Gulas, 2002, and Mayr & Weidig, 2004

<==o Galliformes sensu stricto (Recent galliforms; nykykanalinnut)
   |--o †Taoperdix
   |  |-- †T. pesseiti (Gervais, 1862)
   |  `-- †T. miocaena [=? Palaeortyx miocaena Gaillard, 1939 (jr. synon. of Palaeocryptonyx edwardsi (Depéret, 1887))]
   |--o Megapodioidea (isojalkakanojensukuiset kanalinnut)
   |  `-- Megapodidae (megapodes and relatives; isojalkakanat, malleekanat) [Recent: 7 genera, 1 of them extinct / 21 species, 2 of them extinct]
   `--+--o Cracoidea (currasow-like galliforms; hokkokanojensukuiset kanalinnut)
      |  |?- †Procrax brevipes Tordoff & Macdonald, 1957
      |  `-- Cracidae (currasows and relatives; hokkokanat)
      `--o Phasianoidea sensu Dyke, Gulas & Crowe, 2003
         |--o Numidioidea (helmikanojensukuiset kanalinnut)
         |  `-- Numididae (guinea fowls; helmikanat)
         `--o Phasianoidea [Phasianidae sensu lato] (peltokanojensukuiset kanalinnut)
            |== Phasianidae [incl. Tetraonidae & Meleagrididae] (pheasants and relatives; peltokanat, mesäkanat & kalkunat)
             `-- Odontophoridae (New World quails; amerikanpeltokanat)

Reference(s):