	Authors	Year	Title
	Chao	1956	Notes on some Devonian ammonoids from Southern Kwangsi. Acta Paleontologica Sinica, 4 (2): 101-116, pl.1; Beijing.
	Xu & Wei	1977	Fossil Atlas of South-Central China, part 2, Cephalopoda. [In Chinese.] Yichang Institute of Geology and Mineral Resources 1977: p.537-582, pl.204-218, (Geological Publishing House).