1. Fahlbusch, V., Qiu, Z.-D., & Storch, G. (1983). Neogene mammalian faunas of Ertemte and Harr Obo in Nei Monggol, China. 1. Report on field work in 1980 and preliminary results. Scientia Sinica, B 26, 205–224.
2. Flynn, L. J., Deng, T., Wang, Y., Xie, G.-P., Hou, S.-K., Pang, L.-B., et al. (2011). Observations on the Hipparion red clays of the Loess Plateau. Vertebrata PalAsiatica, 49, 275–284.
3. Flynn, L. J., Wu, W.-Y., & Downs, W. R. (1997). Dating vertebrate microfaunas in the late Neogene record of northern China. Palaeogeography, Palaeoclimatology, Palaeoecology, 133, 227–242.
4. Illiger, C. (1811). Prodromus systematis mammalium et avium. Berlin: C. Salfeld.
5. Li, C.-K. (1981). Pontian sand-rat from Yushe Basin, Shansi. Vertebrata PalAsiatica, 19, 321–326.