After McKenna & Bell, 1997, with Recent species from Nowak, 1991

<==o Cervoidea Goldfuss, 1820 (deerlike ruminants; hirvensukuiset märehtijät)
   |?- †Walangania
   |?- †Orygotherium escheri von Meyer, 1838
   |?- †Boreomeryx braskerudi Dawson & Harington, 2007 Plioc. NNAm.
   `--+-- Moschidae (musk deers; myskihirvet)
      `--+-- Antilocapridae (proghorns; hanka-antiloopit)
         `--+-- †Palaeomerycidae [incl. Dromomerycidae Frick, 1937 sensu McKenna & Bell, 1997]
            `--+--o †Hoplitomerycidae
               |  |-- †Amphimoschus
               |  `-- †Hoplitomeryx
               `-- Cervidae (hirvet, kauriit & peurat)

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