<==o †Miacidae [Miacoidea:]
   |?- †Eostictis
   |--o †Miacis [Mimocyon, Xinyuictis]
   |  |-- †M. parvivorus Cope, 1872c
   |  |-- †M. sylvestris (Marsh, 1872)
   |  `-- †M. hargeri (Wortman, 1901)
   |-- †Chailicyon
   |--o †Vulpavus Marsh, 1871b [Phlaodectes]
   |  |-- †V. canavus (Cope, 1881)
   |  |-- †V. australis
   |  |-- †V. palustris Marsh, 1871b
   |  |-- †V. profectus Matthew, 1909d
   |  `-- †V. ovatus Matthew, 1909d
   |--o †Uintacyon Leidy, 1872d
   |  |-- †U. edax Leidy, 1872d
   |  |-- †U. vorax Leidy, 1872d
   |  |-- †U. jugulans Matthew, 1909d
   |  `-- †U. major Matthew, 1909d
   |-- †Vassacyon
   |--o †Oodectes (Wortman, 1901) [Oödectes Wortman, 1901]
   |  |-- †O. herpestoides (Wortman, 1901)
   |  `-- †O. proximus (Matthew, 1909b)
   |-- †Xinyuictis
   |-- †Ziphacodon
   |-- †Paramiacis
   |-- †Paroodectes
   |-- †Prodaphaemus
   `-- †Palaearctonyx meadi Matthew, 1909d

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