	Authors	Year	Title
	Chao, Chang & Liang	1962	[Lower and Middle Carboniferous Cephalopoda.] [In Chinese]. Handbook of Index Fossils of the Yangtse Area, p.103, 108, 133, pl.55, 57-58, 69.
	Chao	1965	The Permian ammonoid-bearing formations of South China. Scientia Sinica, 14 (12): 1813-1826, fig.1-4, pl.1-2; Beijing.
	Liang & Guo	1982	Cephalopoda. Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
	Zhao & Zheng	1977	The Permian ammonoids from Zhejiang and Jiangxi. Acta Palaeontologica Sinica, 16 (2): 217-254, 20 figs., pl.1-5; Beijing.