	Authors	Year	Title
	Becker, House & Menner	2000	Revision of ammonoid biostratigraphy in the Frasnian (Upper Devonian) of the Southern Timan (Northeast Russian Platform). [R.T.Becker,M.R.House,V.V.Menner & N.S.Ovnatanova]. Acta Geologica Polonica, 50: 67-97, 10 text-figs., 3 tabls., 4 pls., Warszawa.
	Bogoslovsky	1969	Devonskie ammonoidei. I. Agoniatity. Trudy paleont. Inst., 124: 1-341, fig.1-104, pl.1-29; Moskva.
	Kuz'min & Yatskov	1997	Transgressive-Regressive events and conodont and ammonoid assemblages in the Frasnian of the South Timan. Courier Forschungsinstitut Senckenberg, 199: 25-36, 8 figs., Frankfurt.
	Nalivkina	1936b	O verkhnedevonskikh goniatitakh Novoi Zemli. Trudy Arkticheskogo Instituta 58: 91-108, pl.1-2, Leningrad.