After McKenna & Bell, 1997
<==o †Oreodontoidea [Merycoidodontoidea ] |?- †Hydrohyus |?- †Eucrotaphus |--o †Agriochoeridae | |-- †Diplobunops [Agriotherium, Chorotherium, Eomeryx, Mesagriochoerus, Protagriochoerus] | |-- †Agriochoerus maximus | `--o †Protoreodon | |-- †P. walshi Theodor, 1999 | `-- †P. petersoni `--o †Oreodontidae [Merycoidodontidae Thorpe, 1923] |?- †Metoreodon |?- †Promerycochoerus [Paracotylops, Paramerycochoerus, Parapromerycochoerus, Pseudopromerycochoerus] |?- †Pseudoleptauchenia |?- †Superdesmatochoerus |--o †Oreonetinae | |-- †Bathygenys alpha | |-- †Megabathygenys | |-- †Oreonetes | `-- †Parabathygenys `--+--o †Leptaucheniinae | |--o †Leptaucheniini | | |-- †Limnenetes | | |-- †Pseudocyclopidius | | |-- †Hadroleptauchenia | | |-- †Leptauchenia | | |-- †Pithecistes | | `-- †Cyclopidius | `--o †Sespiini | |-- †Megasespia | `-- †Sespia `--+--o †Oreodontinae [Merycoidodontinae ] | |-- †Aclistomycter middletoni | |-- †Merycoidodon [Oreodon] | |-- †Otionohyus | |-- †Paramerycoidodon | |-- †Genetochoerus | |-- †Pseudogenetochoerus | `-- †Epigenetochoerus `--+--o †Miniochoerinae | |-- †Stenopsochoerus [Pseudostenopsochoerus] | |-- †Platyochoerus | |-- †Parastenopsochoerus | `-- †Miniochoerus [Paraminiochoerus] `--+--o †Desmatochoerinae | |-- †Prodesmatochoerus | |-- †Subdesmatochoerus | |--o †Desmatochoerus [Hypselochoerus, Paradesmatochoerus] | | `--o †D. megalodon (Peterson, 1906) [Mesoreodon megalodon Peterson, 1906] | | `-- †D. m. sweeti Schultz & Falkenbach, 1949 | |-- †Subdesmatochoerus | |--o †Megoreodon | | `-- †M. grandis | `-- †Pseudodesmatochoerus `--+--o †Promerycochoerinae | |-- †Promesodreodon | |--o †Promerycochoerus | | `-- †P. carrikeri | |-- †Merycoides | `-- †Mesoreodon wheeleri `--+--o †Merychyinae | |-- †Oreodontoides | |-- †Paroreodon | |-- †Paramerychyus | `--o †Merychyus [Metoreodon] | |-- †M. minimus | `-- †M. elegans `--+--o †Eporeodontinae | |-- †Dayohyus | `--o †Eporeodon | `-- †E. occidentalis `--+--o †Phenacocoelinae | |-- †Phenacocoelus | |-- †Submerycochoerus | |-- †Pseudomesoreodon | `-- †Hypsiops `--+--o †Ticholeptinae | |-- †Mediochoerus | |-- †Ticholeptus [Poatrephes] | `-- †Ustatochoerus `--o †Merycochoerinae |--o †Merycochoerus | |-- †M. superbus | |-- †M. matthewsi | `-- †M. proprius `-- †Brachycrus [Pronomotherium]
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698.
McKenna, M. C. & Bell, S. K., eds., 1997: Classification of mammals; above the species level. - Morgan, G. S. & Lucas, S. G., 2003: Radioisotopically-calibrated oreodonts (Mammalia: Artiodactyla) from the Late Oligocene of Southwestern New Mexico.
–Journal of Vertebrate Paleontology: Vol. 23, #2, pp. 471-473 - Theodor, J. M., 1999: Protoreodon walshi, a new species of agriochoerid (Oreodonta, Artiodactyla, Mammalia) from the Late Uintan of San Diego County, California.
–Journal of Paleontology: Vol. 73, #6, pp. 1179-1190 [from abstract]
–Columbia University Press, New York, 1997.