	Authors	Year	Title
	Ruzhencev	1939a	First representative of the genus Parashumardites from the Upper Carboniferous of Moscow. Comptes Rendus (Doklady) de l'Academie des Sciences de l'URSS, 24 (8): 834-836, fig.1; Moskva.
	Ruzhencev	1950	Verkhnekamennougol'nye ammonity Urala. Trudy Paleont. Inst., Akad. Nauk SSSR, 29: 1-220, fig.1-84, pl.1-15; Moskva.