	Authors	Year	Title
	Bogoslovsky & Udodov	1982	O korreltyatsii zlikhovsko-daleiskih otlozhenii Gornogo Altaya v svyazi s nakhodkoi v nikh ostatkov ammonoidei Doklady Akademii Nauk SSSR, 262 (2): 387-389
	Nikolaeva	2007	Discovery of Emsian Ammonoids in the Northern Caucasus. Paleontological Journal, 41 (5): 506-512, pl.4.