Xinchang Village in Taishan City, Guangdong Province (112.531, 21.966, Xiahuangkeng Formation)
Li, J.J., Ge, M.Y., Chen, X. 1987. Ordovician graptolites from Taishan, Guangdong. Bulletin of Nanjing Institute of Geology and Palaeontology, Academia Sinica, 12: 95-134.