	Authors	Year	Title
	Shen	1975	[Discovery of primitive ammonoids from Nandan of Guangxi and its stratigraphical significance.] [In Chinese]. Professional Papers of Stratigraphy and Paleontology, 1: 86-104, figs., pl.1-2; Peking.
	Sun & Shen	1965	On the late Upper Devonian ammonite fauna of the Wocklumeria beds of south Kweichow and its stratigraphical significance. Professional Papers of the Academy of Geological Science, Ministry of Geology, section B (1): 33-100, fig.1-34, pl.1-5; Beijing.