After Cifelli & Schaff, 1998
<==o Arctostylopidae |?- †Kazachostylopus Nessov [Nesov], 1987 |-- †Asiastylops spanios Zheng, 1979 [Asiastylopinae] `--o †Arctostylopinae |--o †Sinostylopini | |-- †Sinostylops promissus Tang & Yan, 1976 | `--o †Bothriostylops Zheng & Huang, 1986 | |-- †B. progressus | `-- †B. notios `--o †Arctostylopini |-- †Arctostylops steini Matthew, 1915 `--+-- †Palaeostylops iturus Matthew & Granger, 1925 `--+-- †Gashatostylops macrodon Cifelli, Schaff & McKenna, 1989 `--+-- †Anatolostylops dubius Zheng, 1979 `-- †Arctostylopidae genera et species indet.
Reference(s):
- Cifelli, R. L. and Schaff, C. R., 1998: Arctostylopida. 332-336.
in Janis, C. M., Scott, K. M. & Jacobs, L. L., 1998: Evolution of Tertiary mammals of North America.
–Cambridge University Press, New York. 1998