	Authors	Year	Title
	Liang & Zhu	1988	Early Carboniferous cephalopods of Baoshan, Yunnan. Acta Paleontologica Sinica, 27 (3): 288-302, fig.1-18, pl.1-4; Beijing.
	Wang, Sugiyama & Ueno	1998	Carboniferous and Permian Stratigraphy of the Baoshan Block, West Yunnan, Southwest China. Permophiles, 32: 38-40, 1 fig.