Zhangmuqu Village in Chongyi County, Jiangxi Province (114.222, 25.757, Zhangmuqu Formation)
Li, J.J., Xiao, C.X., Chen, H.Y. 2000. Typical Pacific graptolite fauna from the Ningkuoan of early Ordovician in Chongyi, Jiangxi. Palaeontologia Sinica B (33), 1–188.