	Authors	Year	Title
	Liang & Guo	1982	Cephalopoda. Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
	Zhao	1980	Origin, classification, evolution and distribution of the family Cyclolobidae. Acta Paleontologica Sinica, 19 (2): 79-90, fig.1-5, tab.1-2; Beijing.