- Xilingol League (Xilinguole Prefecture)
- Sonid Left Banner (Sunite Zuoqi)
| Mei Zhang, Yusheng Zhai, Cunli Shen, Yonghui Liu, Shuaishi Yang, Degao Zhai, Meijuan Yao, Jianping Wang, Shouguang Wang, Zhengxi Gao, and Ling Zhang (2011): Geoscience 25(5), 819-831 |