	Authors	Year	Title
	Diener	1927	Leitfossilien des marinen Perm. G.Gürich: Leitfossilien, 5: 1-84, fig.1-10, pl.1-14; Berlin (Borntraeger).
	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.