	Authors	Year	Title
	Popov	1965b	Novye vizeiskie ammonoidei Tian'-Shania. Paleontologicheskiy Zhurnal, 1965 (2): 35-49, fig.1-8, pl.3,4; Moskva.
	Popov	1968	Vizeiskie ammonoidei cevernogo Tyan'-Shanya i ikh stratigraficheskoe zhachenie. Akad. Nauk Kirgizkoy SSR, Inst. Geologii: 1-116, fig.1-22, pl.1-8; Frunze.