After O'Leary, 1998a, b
<==o Mesonychia Van Valen, 1966 [Acreodi] (mesonykit; mesonychians) |--o †Hapalodectidae Ting & Li 1987 | |--o †Hapalodectes Matthew, 1909 | | |?- †H. hetengensis | | |-- †H. anthracinus Zhou & Gingerich, 1991 | | |-- †H. dux Lopatin, 2001 | | `-- †H. leptognathus (Osborn & Wortman, 1892) [H. compressus] | `--+-- †Hapalorestes lovei Gunnell & Gingerich, 1996 | `--+-- †Metahapalodectes Dashzeveg, 1976 | `--+-- †Lohoodon Chow et al., 1973 | `-- †Honanodon hebetis Chow, 1965 `--o †Mesonychidae Cope, 1875 |?- †Lihoodon [=? Lohoodon??] |?- †Plagiocristodon |-- †Yantanglestes `--+--o †Hukoutherium Chow et al., 1973 | |-- †H. ambigum Chow et al., 1973 | `-- †H. shimemensis Qi & Huang, 1982 `--+-- †Dissacusium Zhou et al., 1977 `--+--o †Dissacus Cope, 1881b [Hyaenodictis] | |-- †D. argenteus O'Leary & Rose, 1995 | |-- †D. navajovius (Cope, 1881) [D. carnifex] | |-- †D. praenuntius Matthew, 1915 | |-- †D. serior O'Leary & Rose, 1995 | `-- †D. willwoodensis O'Leary & Rose, 1995 `--+-- †Ankalagon saurognathus (Wortman 1897) [non Matthew, 1897?) Van Valen, 1980 `--+-- †Sinonyx jiashanensis Zhou, Zhai, Gingerich & Chen, 1995 `--+--o †Pachyaena Cope, 1874 | |-- †P. gracilis (Matthew, 1915) | |-- †P. ossifraga Cope, 1874 [incl. P. intermedia (Wortman, 1892)] | `-- †P. gigantea (Osborn & Wortman, 1892) `--+-- †Jiangxia `--+-- †Hessolestes ultimus `--+--o †Synoplotherium Cope, 1872a [Dromocyon] | |-- †S. canius | `-- †S. vorax (Marsh, 1876c) `--+-- †Mesonyx obtusidens Cope, 1872a `--+-- †Mongolonyx `--+-- †Guilestes Zheng & Chi, 1978 `--+-- †Mongolestes `--o †Harpagolestes Wortman, 1901 |?- †H. orientalis |-- †H. brevipes Thorpe, 1923 |-- †H. immanis Matthew, 1909 |-- †H. leotensis Peterson, 1931 |-- †H. macrocephalus Wortman, 1901 `-- †H. uintensis (Scott & Osborn, 1887)
Reference(s):
- Alroy, J., 2002: Mesonyx.
–iNet: North American fossil mammal systematics database: http://www.nceas.ucsb.edu/~alroy/nafmsd.html - 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. - Gazin, C. L., 1976: Mammalian faunal zones of the Bridger Middle Eocene.
–Smithsonian Contributions to Paleobiology: No. 26, pp. iv-25 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
–The Johns Hopkins University Press, Baltimore and London, 1991, xlviii-642-lxiii - Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
–The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629 - O'Leary, M. A., 1998: Phylogenetic and morphometric reassessment of the dental evidence for a mesonychia and cetacean clade.
in Thewissen, J. G. M. (ed.), 1998: The Emergency of Whales.
–Plenum Press, New York, 1998 - O'Leary, M. A., 1998: Morphology of the humerus of Hapalodectes (Mammalia, Mesonychia).
–American Museum Novitates: #3242, November 5, pp. 1-6. - O'Leary, M. A., Lucas, S. G. & Williamson, T. E., 2000: A new specimen of Ankalagon (Mammalia), Mesonychia) and evidence of sexual dimorphism in mesonychians.
–Journal of Vertebrate Paleontology: Vol. 20, #2, pp. 387-393 - O'Leary, M. A. & Rose, K. D., 1995: Postcranial skeleton of the Early Eocene mesonychid Pachyaena (Mammalia: Mesonychia).
–Journal of Vertebrate Paleontology: Vol. 15, #2, pp. 401-430 - Zhou, X., Zhai, R., Gingerich, P. D. & Chen, L., 1995: Skull of a new mesonychid (Mammalia, Mesonychia) from the Late Paleocene of China.
–Journal of Vertebrate Paleontology: Vol. 15, #2, pp. 387-400