	Authors	Year	Title
	Bogoslovskaya & Shul'ga	1992	Pervye nakhodki ammonoidei roda Eumorphoceras v karbone L'vovsko-Volynskogo basseina. Doklady Akademii Nauk Ukrainy, 1992 (11): 92-96, 2 fig., Kiev.
	Shul'ga, Bogoslovskaya & Garun	1991	Ob ammonoideiakh kamennougol'noi uglenosnoi formatsii L'vovsko-Volynskogo basseina. Biulletin Moskovskogo obchestva ispytelei prirody, otdel geol., 66 (1): 61-67, 1 text-fig., Moskva.