	Authors	Year	Title
	Ruan & He	1974	Devonian Ammonoids. In: A handbook of the stratigraphy and palaeontology in Southwest China. [In Chinese]. Nanjing Inst. Geol. Paleont., Acad. Sinica: 238-239, pl.119; Nanjing.
	Ruan	1981a	Devonian and earliest Carboniferous Ammonoids from Guangxi and Guizhou. Mem. Nanjing Inst. Geol. Paleont. Academia Sinica, 15: 1-152, fig.1-102, pl.1-33; 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).