After Polly, 1996, McKenna & Bell, 1997, Gunnell, 1998, and Lange-Badré & Böhme, 2005

<==o †Hyeanodontinae Leidy, 1869 sensu Polly, 1996
   |?- †“Pterodonhyaenoides (Matthew & Granger, 1925) Polly, 1996
   |?- †“Megalopterodonmongoliensis Dashzeveg, 1964
   |?- †Neoparapterodon rechetovi (Dashzeveg, 1985) Lavrov [“Pterodonrechetovi Dashzeveg, 1985]
   |?-o †Isohyaenodon Savage, 1965 [Pterodon (Isohyaenodon) Savage, 1965; Hyaenodon (Isohyaenodon) Savage, 1965; Metapterodon Stromer in Kaiser, 1926]
   |  |-- †I. andrewsi
   |  |-- †I. matthewi [incl. Isohyaenodon pilgrimi (in partim)]
   |  `-- †I. zadoki (Savage, 1956) [incl. Isohyaenodon pilgrimi (in partim)]
   |--+--o †Teranodontini Savage, 1925 [Teranodontidae Savage, 1925]
   |  |  `--o †Teratodon Savage, 1965; E.Mioc. Af.
   |  |     |-- †I. enigmae Savage 1965
   |  |     `-- †I. spekei Savage 1965
   |  `--o †Apterodontini Szalay 1967 [Apterodontinae Szalay 1967]
   |     |?-o †Metapterodon Stromer in Kaiser, 1926 [Hyaninailourinae sensu Egi et al., 2007]
   |     |  |-- †M. kaiseri Stromer, 1926
   |     |  |-- †M. schlosseri Holroyd, 1999
   |     |  `-- †M. stromeri Morales, Pickford & Soria, 1998
   |     |?- †Akhnatenavus Holroyd, 1999 [Akhatenatus (lapsus calami)] [Hyaninailourinae sensu Egi et al., 2007]
   |     |-- †Quasiapterodon minutus (Schlosser, 1910) Lavrov, 1999 [Apterodon minutus Schlosser, 1910]
   |     `--o †Apterodon Fischer, 1880 [incl. Dasyurodon Andreae, 1887] U.Eoc. Af., L.Olig. Eu.
   |        |?- †A. gaudryi Fischer, 1880 [A. flonheimensis (Andreae, 1887) (nomen dubium, type lost)]
   |        |-- †A. macrognathus (Andrews, 1904) Andrews, 1906
   |        |-- †A. altidens Schlosser, 1910
   |        |-- †A. saghensis Simons & Gingerich, 1976
   |        |-- †A. intermedius Lange-Badré & Böhme, 2005
   |        `-- †A. langebadreae Grohé et al., 2012
   `--o †Hyaenodontini
      |-- †Oxyaenoides bicuspidens Matthes, 1967; Matthes, 1967; ?L.Eoc., M.Eoc. Eu.
      |-- †Francotherium lindgreni Rich, 1971; L.Eoc. Eu.
      |--o †Hyaenodon Laizer & Parieu, 1838 [incl.? Taxotherium de Blainville, 1841; Pseudopterodon Schlosser, 1887] [incl. Neohyaenodon Thorpe, 1922; Protohyaenodon Stock, 1933; Megalopterodon Dashzeveg, 1964]
      |  |-- †H. leptorhynchus Laizer & Parieu, 1838
      |  |-- †H. exicuus (Gervais, 1872)
      |  |-- †H. mustelinus Scott, 1895
      |  |-- †H. crucians Leidy, 1853
      |  |-- †H. megaloides
      |  |-- †H. milloquensis
      |  |-- †H. bavaricus
      |  |-- †H. eminus Matthew & Granger, 1924
      |  |-- †H. yuanchensis Young, 1937
      |  |-- †H. chunkhtensis Dashzeveg, 1985
      |  |-- †H. montanus
      |  |-- †H. microdon
      |  |-- †H. brevirostris
      |  |-- †H. raineyi
      |  |-- †H. pervagus Matthew & Granger, 1924 [H. aymardi Filhol; H. dubius Lange-Badré]
      |  |-- †H. weilini Wang, Qiu & Wang, 2005
      |  |-- †H. neimongoliensis Huang & Zhu, 2002
      |  |-- †H. gigas Dashzeveg, 1985 [Neohyaenodon gigas (Dashzeveg, 1985) Lavrov, 1999] [incl.? Macropterodon zelenovi Lavrov, 1999]
      |  |-- †H. mongoliensis (Dashzeveg, 1964)
      |  |-- †H. incertus Dashzeveg, 1985 [Pterodon exploratus Dashzeveg, 1964]
      |  |--o †(Protohyaenodon) Stock, 1933
      |  |  |-- †H. (P.) venturae [P.exiquus”]
      |  |  `-- †H. (P.) horridus Leidy, 1853
      |  `--o †(Neohyaenodon) (Thorpe, 1922) Mellett, 1977
      |     `-- †H. (N.) vetus
      `-- †Leakitherium hiwegi J.G. Savage, 1965; L.Mioc. Af.

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