AfterCifelli & Diaz, 1989 and McKenna & Bell, 1997
<==o †Macraucheniidae |--o †Sparnotheriodontinae | |--o †Victorlemoinea [Guilielmofloweria] | | `-- †V. prototypica | |-- †Phoradiadius | `-- †Sparnotheriodon [synon. to Victorlemoinea] `--+-- †Polymorphis [Oroacrodon, Megacrodon, Decaconus, Periacrodon] [Plymorphinae] `--+--o †Cramaucheniinae | |-- †Pternoconius | |-- †Caliphrium [Coniopternium, Notodiaphorus] | |-- †Cramauchenia | |-- †Theosodon | `-- †Phoenixauchenia `--o †Macraucheniinae |-- †Paranauchenia |-- †Oxyodontherium [Mesorhinus] |-- †Scalabrinitherium [Scalabrinia] |-- †Cullinia |-- †Macrauchenidia |-- †Promacrauchenia [Pseudomacrauchenia] |-- †Windhausenia |-- †Macrauchenia [Macraucheniopsis] `-- †Xenorhinotherium
Reference(s):
- Cifelli, R. L. & Diaz, J. G., 1989: New remains of Prothoatherium colombianus (Litopterna, Mammalia) from the Miocene of Columbia.
–Journal of Vertebrate Paleontology: Vol. 9, #2, pp. 222-231 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631