After Rubidge & Sidor, 2001, (partly) Sidor & Smith, 2004, Abdala, 2007, and Botha, Abdala & Smith, 2007

<==o Cynodontia Owen, 1861 (cynodonts; kynodontit (“koiranhampaiset”))
   |-- †Charassognathus gracilis Botha, Abdala & Smith, 2007
   `--+--+-- †Dvinia prima Amalitskii, 1922 [Permocynodon sushkini Woodward, 1932; Sushkin, 1928] [Dviniidae Sushkin, 1928 (non? Tatarinov, 1968)]
      |  `--o †Procynosuchidae Broom, 1938 [paraphyletic?] [incl. Silphedestidae Haughton & Brink, 1954]
      |     |-- †Sludica bulanovi Ivachnenko, 2012
      |     |-- †Uralocynodon tverdokhlebovae Tatarinov, 1987
      |     `--o †Procynosuchus Broom, 1937 [Cyrbasiodon boycei Broom, 1931; Parathrinaxodon proops Parrington, 1936; Galecranium Broom, 1948; Galeophrys Broom, 1948; Aelurodraco Broom & Robinson, 1948; Leavachia Broom, 1948; Mygalesaurus Broom, 1942; Nanictosuchus Broom, 1940; Paracynosuchus Broom, 1940; Protocynodon; Scalopocynodon gracilis (Brink, 1961) Brink, 1951; Silphedestes Broom, 1949]
      |        |-- †P. delaharpeae Broom, 1937
      |        |-- †P. rubidgei Broom, 1938
      |        `?- †P. vladimirense (Tatarinov, 2004) Ivakhnenko, 2012 [Cyrbasiodon vladimirense Tatarinov, 2004] LPerm. EEu.
      |?- †Madysaurus sharovi Tatarinov, 2005 [Madysauridae Tatarinov, 2005]
      `--o Epicynodontia Hopson & Kitching, 2001
         |?- †Cromptodon mamiferoides Bonaparte, 1972 [Cromptodon mammiferoides (lapsus calami)]
         |?- †Bolotridon frerensis Coad, 1977 [Tribolodon Seeley, 1894]
         |--o †Galesauridae Lydekker, 1889 sensu Sidor & Smith, 2004
         |  |-- †Cynosaurus suppostus [Cyanosaurus (lapsus calami?); Cynosuchus]
         |  `--+-- †Progalesaurus lootsbergensis Sidor & Smith, 2004
         |     `-- †Galesaurus planiceps Owen, 1860 [Glochinodon detinens van Hoepen 1916; Glochinodontoides gracilis Haughton, 1924]
         `--+--o †Thrinaxodontidae Watson & Romer, 1956
            |  |-- †Nanocynodon seductus Tatarinov, 1968
            |  |-- †Novocynodon kutorgai Ivachnenko, 2012
            |  |-- †Thrinaxodon liorhinus Seeley, 1894 [?Nythosaurus]
            |  `-- †Nanictosaurus kitchingi Broom, 1936 [incl. Nanictosaurus robustus; Nanictosaurus rubidgei] [Baurocynodon Brink, 1951; Notictosaurus (lapsus calami)] LPerm. SAf.
            `--+-- †Platycraniellus elegans (van Hoepen, 1916) van Hoepen, 1917 [Platycranion elegans van Hoepen, 1916]
               `-- Eucynodontia Kemp, 1982 (advanced cynodonts and mammals)

Cynodontia incertae sedis:

Candelariodon barberenai De Oliveira, Schultz, Soares & Rodrigues, 2011

After Abdala, 2007

<==o Cynodontia
   |--+-- †Procynosuchus
   |  `-- †Dvinia
   `--o Epicynodontia
      |-- †Cynosaurus
      |--+-- †Galesaurus
      |  `-- †Progalesaurus
      `--+-- †Thrinaxodon
         `--+-- †Platycraniellus
            `-- Eucynodontia

Reference(s):