After Luo,, 1991, Gunnell, 1994, de Muizon & Cifelli, 2000, and Alroy, 2002-
<==o †Arctocyonidae Giebel, 1855 |-- †Karakia longidens Thewissen, Williams & Hussain, 2001 |-- †Neoclaenodon |-- †Claenodon |-- †Mentoclaenodon |-- †Arctocyonides trouessarti [Creodapis, Procyonictis] |-- †Landenodon |--o †Thryptacodon Matthew & Granger, 1915 | |-- †T. orthogonius (Russell, 1929) Scott, Fox & Youzwyshyn, 2002 [Chriacus orthogonius Russell, 1929; incl. A. demari Gazin, 1956a; T. belli Gazin, 1956a] | |-- †A. barae | |-- †A. pseudarctos | `--+-- †A. australis Simpson, 1935b | `-- †A. antiquus Matthew, 1915a [T. olseni Matthew, 1915a: T. loisi Kelley & Wood, 1954] |--o †Lambertocyon Gingerich, 1979 | |-- †L. gingerichii Gunnell, 1994 | |-- †L. eximius | `-- †L. ischyrus `==o †Arctocyon Blainville, 1841 |?- †A. corrugatus (Cope, 1883a) |--+-- †A. ferox (Cope, 1883a) | `-- †A. mumak `--+-- †A. montanensis (Gidley, 1919) Archibald et al., 1987 [Synonyms] |-- †Colpoclaenus procyonoides `--+-- †Colpoclaenus keeferi `--o †Anacodon |-- †A. nexus `-- †A. ursidens
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. - Gunnell, G. F., 1994: Paleocene mammals and faunal analysis of the Chappo type locality (Tiffanian), Green River Basin, Wyoming.
–Journal of Vertebrate Paleontology: Vol. 14, #1, pp. 81-104 - Luo, Z.-X., 1991: Variability of dental morphology and the relationships of the earliest arctocyonid species.
–Journal of Vertebrate Paleontology: Vol. 11, #4, pp. 452-471 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631 - de Muizon, C. & Cifelli, R. L., 2000: The “condylarths” (archaic Ungulata, Mammalia) from the early Palaeocene of Tiupampa (Bolivia): implications on the origin of the South American ungulates
–Geodiversitas: Vol. 22, #1, pp. 47-150 - 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 - Scott, C. S., Fox, R. C. & Youzwyshyn, G. P., 2002: New earliest Tiffanian (Late Paleocene) mammals from Cochrane 2, southwestern Alberta, Canada.
–Acta Palaeontologica Polonica: Vol. 47, #4, pp. 691-704 - Thewissen, J. G. M., Williams, E. M. & Hussain, S. T., 2001: Eocene mammals faunas from Northern Indo-Pakistan.
–Journal of Vertebrate Paleontology: Vol. 21, #2, pp. 347-366