After Livezey & Zusi, 2007, with species from Sibley & Monroe, 1990, and Peterson, 2002-2011

<==o Ralliformes (Reichenbach, 1854)
   |?-o †Songziidae Hou, 1990
   |  |?- †Vanolimicola longihallucis Mayr, 2017
   |  `--o †Songzia
   |     |-- †S. heidangkouensis
   |     `-- †S. acutunguis
   |--o Heliornithidae GR Gray, 1840 [Heliornithes] (uimarikanat, uikkukanat)
   |  |-- Heliopais personatus (GR Gray, 1849) Sharpe, 1893 (aasianuikkukana)
   |  |-- Heliornis fulica (Boddaert, 1783) Bonnaterre 1791 (amerikanuikkukana)
   |  `--o Podica senegalensis (Vieillot, 1817) Lesson, 1831 (afrikanuikkukana)
   |     |-- P. s. camerunensis Sjostedt 1893
   |     |-- P. s. petersii Hartlaub 1852
   |     |-- P. s. senegalensis (Vieillot, 1817)
   |     `-- P. s. somereni Chapin 1954
   `-- Rallidae Rafinesque, 1815 [Ralli] (rantakanat)


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