After Kielan-Jaworowska & Hurum, 2001

<==o †Plagiaulacidae Gill, 1872 sensu Kielan-Jaworowska & Hurum, 2001 [incl. Bolodontidae Osborn, 1887]
   |-- †"Bolodon" elongatus
   |-- †"Ctenacodon" brentbaatar Bakker, 1998
   |-- †Sinobaatar lingyuanensis Hu & Wang, 2002
   |--o †Bolodon Owen, 1871
   |  |-- †B. crassidens Owen, 1871
   |  |-- †B. hydei Cifelli, Davis & Sames, 2014
   |  |-- †B. osborni Simpson, 1929
   |  `-- †B. sp.
   `--o †Plagiaulax Falconer, 1857
      |-- †P. becklesii
      |?- †P. dawsoni Woodward, 1891 [Nomen nudum]
      `-- †P. sp.

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