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] [Dviniidae Tatarinov, 1968]
      |  `--o †Procynosuchidae Broom, 1938 [paraphyletic?]
      |     |-- †Uralocynodon tverdokhlebovae Tatarinov, 1987
      |     `--o †Procynosuchus Broom, 1937 [Cyrbasiodon boycei Broom, 1931; Parathrinaxodon proops Parrington, 1936; Galecranium; Galeophrys; Leavachia; Mygalesaurus; Nanictosuchus; Protocynodon; Scalopocynodon gracilis (Brink, 1961)]
      |        |-- †P. delaharpeae
      |        `-- †P. rubidgei
      |?- †Madysaurus sharovi Tatarinov, 2005 [Madysauridae Tatarinov, 2005]
      `--o Epicynodontia Hopson & Kitching, 2001
         |?- †Cromptodon mamiferoides Bonaparte, 1972 [Cromptodon mammiferoides (lapsus calami)]
         |?- †Bolotridon frerensis
         |--o †Galesauridae Lydekker, 1890 sensu Sidor & Smith, 2004
         |  |-- †Cynosaurus suppostus [Cyanosaurus (lapsus calami?); Cynosuchus]
         |  `--+-- †Progalesaurus lootsbergensis Sidor & Smith, 2004
         |     `-- †Galesaurus planiceps
         `--+--o †Thrinaxodontidae
            |  |-- †Nanocynodon seductus Tatarinov, 1968
            |  |-- †Thrinaxodon liorhinus Seeley, 1894 [?Nythosaurus]
            |  `--o †Nanictosaurus [Notictosaurus (lapsus calami)] U.Perm. SAf.
            |     |-- †N. kitchingi
            |     |-- †N. robustus [=? N. kitchingi]
            |     `-- †N. rubidgei [=? N. kitchingi]
            `--+-- †Platycraniellus elegans (van Hoepen, 1916) van Hoepen, 1917 [Platycranion elegans van Hoepen, 1916]
               `-- Eucynodontia (advanced cynodonts and mammals)

After Abdala, 2007

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

Reference(s):