	Authors	Year	Title
	Popov	1975	Ammonoidea (Ammonoidei). In: Paleontologicheskii Atlas kamennougol'nykh otlozhenii Urala. [In Russian]. Trudy VNIGRI 383: 111-130, pls.35-44, Leningrad (Nedra).
	Yanishevskii	1900	Fauna kamennougol'nogo izvestniaka, vystupaiushchago po r. Shartymke, na vostochnom" sklone Urala. Trudy obshchestva estestv. pri. imper. Kazansk. Univers. 34 (5): 398 p., 7 pls., 1 map, Kazan.