	Authors	Year	Title
	Schiappa, Hemmesch & Spinosa	2005	Cisuralian ammonoid genus Uraloceras in North America. [Schiappa,T.A., N.T.Hemmesch, C.Spinosa & Nassichuk,W.W.] Journal of Paleontology, 79 (2): 366-377, 9 fig., 6 tab., Lawrence, KS.