The fossil sporo-pollen of Huxishan Formation of the Lower Jurassic in the northern region of Qaidam Basin, China.
Reference:
Xi,P. et al. (2000)
The fossil sporo-pollen of Huxishan Formation of the Lower Jurassic in the northern region of Qaidam Basin, China. Symposium on Palynology of Petroliferous Basins in China. (C.Zhao et al, editors). Petroleum Industry Press, Beijing, China
P. 139- 144