	Authors	Year	Title
	Gao, Ruan & Chen	1983	Cephalopoda.[In Chinese]. [Gao,Y., Ruan,Y., Chen,J. & Wen,Yuling]. Paleontological Atlas of Northwestern China. Shaanxi, Gansu and Ningxia Volume. Part II. Upper Paeozoic: 452-475, fig.136-165, pl.151-155; Beijing.
	Liang	1957	Some Carboniferous cephalopods from northern Kansu. Acta Palaeontologica Sinica, 5 (4): 561-572, fig.1-4, pl.1; Beijing.
	Liang & Gao	1963	[Carboniferous Cephalopoda]. In: [Handbook of Index fossils from Northwest China.] [In Chinese]. Handbook of Index fossils from Northwest China, p.84, 95-96, pl.44, 57-58, Peking (Science Press).
	Ruzhencev	1960	Interesnye nakhodki kamennougol'nykh ammonoidei. Paleontologicheskii Zhurnal, 1960 (4): 142-143.