After Worthy, 2000, Holdaway, Worthy & Tennyson, 2001, Harris, Birks & Leaché, 2014, and Shute, Prideaux & Worthy, 2017, with Recent species from Sibley & Monroe, 1990 and Finnish vernacular names from Lokki, Jännes & Nikander, 1992

<==o Megapodiidae Lesson, 1831 [Megapodidae Lesson, 1831] (megapodes; isojalkakanat, malleekanat)
   |?- †Sylviornis neocaledoniae Poplin, 1980 [very poorly known, possibly synonymous with Megapodius molistructor? A non-galliform sensu Worthy et al., 2016]
   |?- †Megavitiornis altirostris Worthy, 2000 [A non-galliform sensu Worthy et al., 2016]
   |?- †Ngawupodius minya Boles & Ivison, 1999
   |-- †Garrdimalga mcnamarai Shute, Prideaux & Worthy, 2017
   |--+--o Talegalla Lesson, 1828 (talekanat)
   |  |  |--o T. jobiensis Meyer, 1874 (vuoritalekana)
   |  |  |  |-- T. j. jobiensis Meyer, 1874
   |  |  |  `-- T. j. longicaudus Meyer, 1891
   |  |  `--+--o T. fuscirostris Salvadori, 1877 (mustanokkatalekana)
   |  |     |  |-- T. f. aruensis Roselaar, 1994
   |  |     |  |-- T. f. fuscirostris Salvadori, 1877
   |  |     |  |-- T. f. meyeri Roselaar, 1994
   |  |     |  `-- T. f. occidentis White, 1938
   |  |     `--o T. cuvieri Lesson, 1828 (punanokkatalekana)
   |  |        |-- T. c. cuvieri Lesson, 1828
   |  |        `-- T. c. granti Roselaar, 1994
   |  `--+--+--o Alectura lathami Gray, 1831; Latham, 1824 (kekokana)
   |     |  |  |-- A. l. lathami Gray, 1831
   |     |  |  `-- A. l. purpureicollis (Le Souef, 1898)
   |     |  `--o Aepypodius Oustalet, 1880 (pikkutalekanat)
   |     |     |-- A. bruijnii (Oustalet, 1880) (vaigeuntalekana)
   |     |     `--o A. arfakianus (Salvadori, 1877) (helttatalekana)
   |     |        |-- A. a. arfakianus (Salvadori, 1877)
   |     |        `-- A. a. misoliensis Ripley, 1957
   |     `--+-- Leipoa ocellata Gould, 1840 (malleekana)
   |        `--+--o †Progura De Vis, 1888 [Chosornis De Vis, 1889; Palaeopelargus De Vis, 1892]
   |           |  |-- †P. gallinacea De Vis, 1888 [Chosornis praeteritus De Vis, 1889; Palaeopelargus nobilis De Vis, 1892; Leipoa (Progura) gallinacea (De Vis, 1888) Boles, 2008; Leipoa gallinacea (De Vis, 1888) Louys & Price, 2015; Leipoa gallinacean (De Vis, 1888) Louys & Price, 2015]
   |           |  `-- †P. campestris Shute, Prideaux & Worthy, 2017 [Leipoa gallinacea (De Vis, 1888) Prideaux et al., 2007; Leipoa gallinaceae (De Vis, 1888) Wroe et al., 2013]
   |           `--o †Latagallina Shute, Prideaux & Worthy, 2017
   |              |-- †L. naracoortensis (van Tets, 1974) [Progura naracoortensis van Tets, 1974; Progura gallinacea (De Vis, 1888) Boles, 2008; Leipoa gallinacea (De Vis, 1888) Boles, 2008; Leipoa (Progura) gallinacea (De Vis, 1888) Boles, 2008]
   |              `-- †L. olsoni Shute, Prideaux & Worthy, 2017
   `--+-- Macrocephalon maleo Muller, 1846 (vasarapääkana)
      `--+-- Eulipoa wallacei (Gray, 1861) Ogilvie-Grant, 1893 [ Megapodius wallacei] (molukkienisojalka)
         `--o Megapodius Gaimard, 1823 (isojalat)
            |?- †M. sp. [<Raoul Island>] [extinct since 1876?]
            |?- †M. alimentum Steatman, 1989a [<Tonga>]
            |?- †M. sp. [<Lifuka, Tonga>]
            |?- †M. sp. [<'Eua, Tonga>]
            |?- †M. molistructor (uudenkaledonianisojalka)
            |--+-- M. tenimberensis Sclater, 1883 (Tanimbar Scrubfowl)
            |  `--o M. cumingii Dillwyn, 1853 (filippiinienisojalka)
            |     |-- M. c. cumingii Dillwyn, 1853
            |     |-- M. c. dillwyni Tweeddale, 1878
            |     |-- M. c. gilbertii Gray, 1862
            |     |-- M. c. pusillus Tweeddale, 1878
            |     |-- M. c. sanghirensis Schlegel, 1880
            |     |-- M. c. tabon Hachisuka, 1931
            |     `-- M. c. talautensis Roselaar, 1994
            `--+--o M. nicobariensis Blyth, 1846 (nikobaarienisojalka)
               |  |-- M. n. abbotti Oberholser, 1919
               |  `-- M. n. nicobariensis Blyth, 1846
               `--+--o M. laperouse Gaimard, 1823 (mariaanienisojalka)
                  |  |-- M. l. laperouse Gaimard, 1823 (Mariana Scrubfowl)
                  |  `-- M. l. senex Hartlaub, 1868 (Palau Scrubfowl)
                  `--+--+-- M. layardi Tristram, 1879 (vanuaatunisojalka)
                     |  `-- M. pritchardii Gray, 1864 (niuafounisojalka)
                     `--+-- M. bernsteinii Schlegel, 1866 (sulanisojalka)
                        `--+?- M. geelvinkianus Meyer, 1874
                           `--+--o M. reinwardt Dumont, 1823 [M. affinis Meyer, 1874] (Orange-footed Scrubfowl; ruskoisojalka)
                              |  |-- M. r. castanonotus Mayr, 1938
                              |  |-- M. r. macgillivrayi Gray, 1862
                              |  |-- M. r. reinwardt Dumont, 1823
                              |  |-- M. r. tumulus Gould, 1842
                              |  `-- M. r. yorki Mathews, 1929
                              `--+-- M. eremita Hartlaub, 1868 (harmaaisojalka)
                                 `--+--o M. decollatus Oustalet, 1878 (papuanisojalka)
                                    |  |-- M. d. decollatus Oustalet, 1878
                                    |  |-- M. d. jobiensis Oustalet, 1881
                                    |  `-- M. d. huonensis Stresemann, 1922
                                    `--+?- †M. amissus Worthy, 2000 [<Viti Levu, Fiji>]
                                       `--o M. freycinet Gaimard, 1823 (isojalka)
                                          |-- M. f. forsteni Gray, 1847
                                          |-- M. f. freycinet Gaimard, 1823
                                          |-- M. f. oustaleti Roselaar, 1994
                                          `-- M. f. quoyii Gray, 1862

After Harris, Birks & Leaché, 2014

<==o Megapodiidae
   |--+--o Talegalla Lesson, 1828 (talekanat)
   |  |  |-- T. jobiensis Meyer, 1874 (vuoritalekana)
   |  |  `--+-- T. fuscirostris Salvadori, 1877 (mustanokkatalekana)
   |  |     `-- T. cuvieri Lesson, 1828 (punanokkatalekana)
   |  `--+-- Leipoa ocellata Gould, 1840 (malleekana)
   |     `--+-- Alectura lathami Gray, 1831; Latham, 1824 (kekokana)
   |        `--o Aepypodius Oustalet, 1880 (pikkutalekanat)
   |           |-- A. bruijnii (Oustalet, 1880) (vaigeuntalekana)
   |           `-- A. arfakianus (Salvadori, 1877) (helttatalekana)
   `--+-- Macrocephalon maleo Muller, 1846 (vasarapääkana)
      `--+-- Eulipoa wallacei (Gray, 1861) Ogilvie-Grant, 1893 [ Megapodius wallacei] (molukkienisojalka)
         `--o Megapodius Gaimard, 1823 (isojalat)
            |--+-- M. tenimberensis Sclater, 1883 (Tanimbar Scrubfowl)
            |  `-- M. cumingii Dillwyn, 1853 (filippiinienisojalka)
            `--+-- M. nicobariensis Blyth, 1846 (nikobaarienisojalka)
               `--+-- M. laperouse Gaimard, 1823 (mariaanienisojalka)
                  `--+--+-- M. layardi Tristram, 1879 (vanuaatunisojalka)
                     |  `-- M. pritchardii Gray, 1864 (niuafounisojalka)
                     `--+-- M. bernsteinii Schlegel, 1866 (sulanisojalka)
                        `--+?- M. geelvinkianus Meyer, 1874
                           `--+-- M. reinwardt Dumont, 1823 (Orange-footed Scrubfowl; ruskoisojalka)
                              `--+-- M. eremita Hartlaub, 1868 (harmaaisojalka)
                                 `--+-- M. decollatus Oustalet, 1878
                                    `--+-- M. freycinet Gaimard, 1823 (isojalka)
                                       `-- M. forsteni Gray, 1847

Reference(s):