	Authors	Year	Title
	Ruzhencev	1956	Nizhnepermskiye ammonity Yuzhnogo Urala. II. Ammonity Artinskogo yarusa. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 60: 1-275, fig.1-97, pl.1-39; Moskva.
	Voinova	1934	Nekotorye ammonei iz Baigendzhinskogo gorizonta Artinskogo yarusa Yuzhnogo Urala. [Some ammonites from the Baigendja horizon of the Artinskian, South Ural.] Trudy Vsesoyuzn.geologo-razvedochnogo ob"ed., vypusk 352: 1-60, text-fig.1-22, pl.1-5, 4 tab., Leningrad, Moskva, Novosibirsk.