	Authors	Year	Title
	Zhao, Liang & Zheng	1978	Late Permian cephalopods of South China. Palaeontologica Sinica, 154, N.S.B,12: 1-194, fig.1-105, pl.1-34; Beijing.
	Zheng	1981	Uppermost Permian (Changhsingian) ammonoids from Western Guizhou. Acta Paleontologica Sinica, 20 (2): 107-114, fig.1-6, pl.1-3; Beijing.