	Authors	Year	Title
	Furnish, Glenister & Nakazawa	1973	Permian Ammonnoid Cyclolobus from the Zewan Formation, Gurgul Ravine, Kashmir. [Furnish,W.M., Glenister,B.F., Nakazawa,K. & Kapoor,H.M.] Science, 180: 188-190, fig.1.