After McKenna & Bell, 1997
<==o †Castoroidinae Allen, 1877 |==o †Steneofiber É. Geoffroy Saint-Hilaire, 1833 [Chloromys Schlosser, 1884 (non Chloromys Lesson, 1827), Asteneofiber Kretzoi, 1974, Steneotherium] L.Olig.-M.Mioc. Eu., L.-M.Mioc. As. | |-- †S. castorinus Pomel, 1847 | |-- †S. hesperus (Douglass, 1901) [“Monosaulax” hesperus (Douglass, 1901) (european?)] | |-- †S. eseri (von Meyer, 1846) | |-- †S. subpyrenaicus (Lartet, 1851) | `--+--o †S. depereti Mayet, 1908 [incl. Chalicomys batalleri] | | |-- †S. d. depereti Mayet, 1908 | | |-- †S. d. caliodorensis Ginsburg, 1971 | | |-- †S. d. janvieri Ginsburg, 1988 | | `-- †S. d. carnutense Ginsburg, 1971 | `?- †Chalicomys jaegeri [Steneofiber jaegeri] `--+-- †Neatocastor hesperus (Douglass, 1901) Korth, 1996 [Steneofiber complexus Douglass 1901] U.Olig. NA. `--+?-+--o †Youngofiber Chow & Li, 1978; L.Mioc. As. | | `-- †Y. sinensis | `--o †Asiacastor Lyschev, in Lytshev & Aubekerova, 1971; U.Olig.-U.Mioc. As. | |-- †A. antecedens | |-- †A. baschanovi | |-- †A. majori | `-- †A. orientalis `--+?-+--o †Euroxenomys Samson & Radulesco, 1973 | | |-- †E. minutus von Meyer, 1838 [Trogontherium minutus; Steneocastor minutus] | | |-- †E. inconnexus Sutton & Korth 1995 | | `-- †E. wilsoni Korth 2001 | `--o †Trogontherium Fischer von Waldheim, 1809 [taxonomic history] L.Mioc-M.Pleist. Eu., M.Mioc.-M.Pleist. As., M.Mioc. NA. | `-- †T. cuvieri `--+--o †Eucastor Leidy, 1858 [Castor (Eucastor) Leidy, 1858] [incl. Sigmogomphius Merriam, 1896; Monosaulax Stirton, 1935] M.-U.Mioc. NA., U.Mioc.-Plioc. As. | |-- †E. tortus (Leidy, 1858) | |-- †E. youngi | |-- †E. chengpeiensis [Monosaulax] | |-- †E. tungurensis [Monosaulax] | |-- †E. hesperus (Douglass, 1901) [“Monosaulax” hesperus (Douglass, 1901) (american?); “Monosaulax” complexus] | |-- †E. lecontei (Merriam, 1896) | |-- †E. malheurensis Shotwell & Russell, 1963 | `-- †E. phillisi Wilson, 1968 `--+-- †Schreuderia Aldana Carrasco, 1992; U.Mioc. Eu. `--+==o †Dipoides Schlosser, 1902 [Dipoides Jäger, 1835 (nomen nudum); Castoromys Pomel, 1854; Paradipoides Rinker & Hibbard, 1952] U.Mioc.-U.Plioc. As. NA., U.Mioc.-L.Plioc. Eu. [paraphyletic] | |-- †D. rexroadensis Hibbard & Riggs 1949 | |-- †D. smithi Shotwell, 1955 | |-- †D. stirtoni Wilson, 1934 | |-- †D. tanneri Korth, 1998 | |-- †D. vallicula Shotwell, 1970 | |-- †D. williamsi Stirton, 1936 | |-- †D. wilsoni Hibbard, 1949 | |-- †D. majori Schlosser, 1903 | |-- †D. anatolicus (Özansoy, 1961) | |-- †D. sigmodus (Gervais, 1859) | `-- †D. problematicus Schlosser, 1902 `--+-- †Boreofiber Radulesco & Samson, 1972 `--+-- †Romanocastor Radulesco & Samson, 1967 `--+-- †Zamolxifiber Radulesco & Samson, 1967 `--+--o †Procastoroides Barbour & Schultz, 1937 [Eocastoroides Hibbard, 1937 [Castoridae incertae sedis (McKenna & Bell, 1997] | `-- †P. sweeti Barbour & Schultz, 1937 [incl. Eocastoroides lanei Hibbard, 1937g; Procastoroides lanei (Hibbard); Hibbard, 1941b, and Hibbard & Riggs, 1949; = Procastoroides sweeti Barbour & Schultz; McGrew, 1944a, Shotwell, 1970, Kurtén & Anderson, 1980, and Korth, 2002] `--+--o †Castoroides Foster, 1838 | `-- †C. ohioensis `--o †Paradipoides Rinker & Hibbard, 1952 [a synonym of Dipoides Schlosser, 1902? (Korth, 2001)] `-- †P. stovalli Rinker & Hibbard, 1952 [Dipoides stovalli (Rinker and Hibbard 1952)]
After Korth, 2001<==o †Castoroidinae |--o †Castoroidini | |-- Monosaulax | `--+-- †Eucastor | `--+-- †Dipoides | `--+-- †Castoroides | `-- †Procastoroides `--o †Trogontheriini |-- †Euroxenomys `--+-- †Trogontherium |-- †Boreofiber `--+-- †Youngofiber `-- †Asiacastor |
Reference(s):
- Albright III, L. B., 1996: Insectivorans, rodents, and carnivores of the Toledo Bend Local Fauna: An Arikareean (Earlies Miocene) assemblage from the Texas Coastal Plain.
–Journal of Vertebrate Paleontology: Vol. 16, #3, pp. 458-473 - Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
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–W. H. Freeman and company, New York, 1988, 698. - Emry, R. J. & Korth, W. W., 1989: Rodents of the Bridgerian (Middle Eocene) Elderberry Canyon local fauna of Eastern Nevada.
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–Journal of Vertebrate Paleontology: Vol. 23, #3, pp. 667-675 - McKenna, M. C. & Bell, S. K., eds., 1997: Classification of mammals; above the species level.
–Columbia University Press, New York, 1997. - Mörs, T. & Stefen, C., 2010: The castorid Steneofiber from NW Germany and its implications for the taxonomy of Miocene beavers.
–Acta Palaeontologica Polonica: Vol. 55, #2, pp. 189-198 [doi: 10.4202/app.2009.0013] - 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.