	Authors	Year	Title
	Ruzhencev	1949	Sistematika i evolyutsia semeystv Pronoritidae Frech i Medlicottiidae Karpinsky. Trudy Palentologicheskogo Instituta Akademiya Nauk SSSR, 19: 1-206, fig.1-88, pl.1-17; Moskva.
	Ruzhencev	1950	Verkhnekamennougol'nye ammonity Urala. Trudy Paleont. Inst., Akad. Nauk SSSR, 29: 1-220, fig.1-84, pl.1-15; Moskva.
	Zakharov, Vavilov & Popov	1987	Mikrostruktura rakoviny pozdnepaleozoyskikh i triasovykh ammonoidey Boreal'noy oblasti. In: Problemy biostratigrafii permi i triasa Vostoka SSSR; DVNTs AN SSSR, 1987: 105-108, pl.19-24; Vladivostok.