After Nowak, 1991, Morgan & Morgan, 1995, McKenna & Bell, 1997, Janis & Manning, 1998, and Alroy, 2002
<==o Antilocapridae (pronghorns; hanka-antiloopit) |--o †Paracosoryx Frick, 1937 [paraphyletic Merycodontinae Matthew, 1909; Cosoryctinae] | |-- †P. wilsoni Frick, 1937 | |-- †P. alticornis Frick, 1937 | |-- †P. dawesensis Frick, 1937 | |-- †P. furlongi Frick, 1937 | |-- †P. loxoceros (Furlong, 1935) [Merycodus loxoceros Furlong, 1935] | `-- ?†P. nevadensis (Merriam, 1911) [Merycodus nevadensis Merriam, 1911] `--+--o †Ramoceratini | |-- †Merriamoceros coronatus (Merriam, 1913) Frick, 1937 [paraphyletic Merycodontinae Matthew, 1909; Cosoryctinae] | `--o †Ramoceros Frick, 1937 [Paramoceros Frick, 1937] [paraphyletic Merycodontinae Matthew, 1909; Cosoryctinae] | |-- †R. osborni (Matthew, 1904) [Merycodus osborni Matthew, 1904; R. hitchcockensis Frick, 1937; R. howardae Frick, 1937; R. kansanus Frick, 1937] | |-- †R. ramosus (Cope, 1874) [Cosoryx ramosus Cope, 1874] | `--o †(Paramoceros) Frick, 1937 | |-- †R. (P.) brevicornis Frick, 1937 | |-- †R. (P.) marthae Frick, 1937 | `-- †R. (P.) palmatus Frick, 1937 `--+?-o †Meryceros Frick, 1937 [jr. synon. of Merycodus?] | |-- †M. warreni (Leidy, 1858) [Cervus warreni Leidy, 1858] | |-- †M. crucensis Frick, 1937 | |-- †M. hookwayi (Furlong, 1935) [Merycodus hookwayi Furlong, 1935] | |-- †M. joraki Frick, 1937 | |-- †M. major Frick, 1937 | `-- †M. nenzelensis Frick, 1937 |?-o †Submeryceros Frick, 1937 [jr. synon. of Merycodus?] | |-- †S. crucianus Frick, 1937 | |-- ?†S. minimus Frick, 1937 | `-- ?†S. minor Frick, 1937 |--o †Merycodus Leidy, 1854 [Subcosoryx, Subparacosoryx] [paraphyletic Merycodontinae Matthew, 1909; Cosoryctinae] | |-- †"M." sabulonis (Matthew & Cook, 1909) [M. nectatus sabulonis (Matthew & Cook) Matthew, 1924; Cosoryx [Paracosorys] sabulonis (Matthew & Cook) Frick, 1937; Cosoryx [Subparacosoryx] savaronis Frick, 1937] | `-- †M. necatus Leidy, 1854 `--+--o †Cosoryx Leidy, 1869 [Subcosoryx Frick, 1937] [paraphyletic Merycodontinae Matthew, 1909; Cosoryctinae] | |-- †C. furcatus Leidy, 1869 | |?- ?†C. agilis Douglass, 1899 | |-- †C. ilfonensis Frick, 1937 | |-- †C. trilateralis | `-- †C. (Subcosoryx) cerroensis Frick, 1937 `-- Antilocaprinae Brooke, 1876 (pronghorns; hanka-antiloopit)
Reference(s):
- Alroy, J., 2002: North American fossil mammal systematics database.
–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. - Janis, C. M. & Manning, E., 1998: Antilocapridae. 491-507.
in Janis, C. M., Scott, K. M. & Jacobs, L. L., (eds.) 1998: Evolution of Tertiary mammals of North America.
--Cambridge University Press, New York, 1998, - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - Morgan, J. K. & Morgan, N. H., 1995: A new species of Capromeryx (Mammalia: Artiodactyla) from the Taunton Local Fauna of Washington, and the correlation with other Blancan faunas of Washington and Idaho.
–Journal of Vertebrate Paleontology: Vol. 15, #1, pp. 160-170 - 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