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

<==o Cameloidea (camels and related artiodactyls; kamelinsukuiset kamelieläimet)
   |--o †Oromerycidae
   |  |-- †Eotylopus
   |  |-- †Malaquiferus
   |  |-- †Merycobunodon
   |  |-- †Montanatylopus
   |  |-- †Oromeryx
   |  `-- †Protylopus petersoni
   `-- Camelidae (kamelit)

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