After Sibley & Monroe, 1990, with Finnish vernacular names from Lokki, Jännes & Nikander, 1992

<==o Cracidae (hokkokanat)
   |-- †Boreortalis laesslei
   |-- Ortalis  (Kaklattajat) [16]
   |-- Penelope [15]
   |--o Pipile  (Viheltäjäsakut?)
   |  |-- P. pipile (Trinidad Piping Guan)
   |  |--o P. cumanensis (sinikurkkusaku)
   |  |  |-- P. c. cumanensis (White-headed Piping Guan)
   |  |  `-- P. c. grayi (Gray's Piping Guan)
   |  |--o P. cujubi (punakurkkusaku)
   |  |  |-- P. c. cujubi (Stripe-crowned Piping Guan)
   |  |  `-- P. c. nattereri (Natterer's Piping Guan)
   |  `-- P. jacutinga (mustarintasaku)
   |-- Aburria aburri (Helttasaku)
   |--o Chamaepetes (Metsäsakukanat)
   |  |-- C. unicolor (mustasaku)
   |  `-- C. goudotii (sirppisiipisaku)
   |-- Penelopina nigra (Ylänkösaku)
   |-- Oreophasis derbianus (Sarvisaku)
   |-- Nothocrax urumutum (Yöhokko)
   |--o Mitu  (?)
   |  |-- M. tomentosa (samettihokko)
   |  |-- M. salvini (viidakkohokko)
   |  |-- M. tuberosa (kyhmynokkahokko)
   |  `-- M. mitu  (AlagoasCurassow)
   |--o Pauxi  (Kypärähokkokanat)
   |  |-- P. pauxi (venezuelankypärähokko)
   |  `-- P. unicornis (perunkypärähokko)
   `--o Crax  (Hokkokanat)
      |-- C. rubra (aarnihokko)
      |-- C. alberti (sininokkahokko)
      |-- C. daubentoni (keltaliuskahokko)
      |-- C. alector (isohokko)
      |-- C. globulosa (punahelttahokko)
      |--o C. fasciolata (kaljunaamahokko)
      |  |-- C. f. pinima (Natterer's Curassow)
      |  `-- C. f. fasciolata (Fasciated Curassow)
      `-- C. blumenbachii (punanokkahokko)

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