	Authors	Year	Title
	Bogoslovsky	1959	Novye predstavately ammonoidey iz srednedevonskikh otlozheniy polyarnogo Urala. Paleontologicheskiy Zhurnal, 1959 (3): 63-65, fig.1-4, pl.5; Moskva.
	Bogoslovsky	1969	Devonskie ammonoidei. I. Agoniatity. Trudy paleont. Inst., 124: 1-341, fig.1-104, pl.1-29; Moskva.