	Authors	Year	Title
	Ruzhencev	1936	Paleontologicheskie zametki o kamennougol'nykh i permskikh ammoneiakh. [Paleontological remarks on Carboniferous and Permian ammonoids.] Problemy sovetskoi geologii, 12: 1072-1088, fig.1-5; Moskva.
	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.