	Authors	Year	Title
	Furnish & Glenister	1970	Permian Ammonoid Cyclolobus from the Salt Range, West Pakistan in Kummel,B. & Teichert,C. (eds): Stratigraphic boundary problems: Permian and Triassic of West Pakistan. University of Kansas Department of Geology Special Publication 4: 153-175, fig.1,2, tab.1,2, pl.1-4.
	Waterhouse	1972	The evolution, correlation, and paleogeographic significance of the Permian ammonoid family Cyclolobidae. Lethaia, 5 (3): 251-270, fig.1-6; Oslo.