	Authors	Year	Title
	Kuzina & Lazarev	1994	Novye rannekamennougol'nye ammonoidei Mongolii. [New Early Carboniferous ammonoids from Mongolia]. Paleontologicheskii Zhurnal 28 (1A): 157-171, 5 text-figs., pl.7, Moskva.
	Nikolaeva & Konovalova	2005	Genus Lusitanoceras and its role in the Evolution of Goniatitaceans. Paleontological Journal, 39, Suppl. 5, 2005, 558-572, Moskva.