	Authors	Year	Title
	Bogoslovskaya	1986	Ammonoidei. In: Atlas kharakternykh kompleksov Permskoi fauny i flory Urala i Russkoi platformy. Trudy, novaia seria, 331: 14-15, pl.37-59, (Nedra) Leningrad.
	Glenister, Baker & Furnish	1990	Additional Early Permian ammonoid cephalopods from Western Australia. [Glenister,B.F., Baker,C., Furnish,W.M. & Thomas,G.A.] Journal of Paleontology, 64 (3): 392-399, fig.1-4, 1tab.; Tulsa, Okla.
	Maksimova	1948	Ammonity iz nizhnei chasti shvagerinovykh sloev reki Yurezani. Trudy Paleontologicheskogo Instituta Akademiia Nauk SSSR, 14 (4): 1-42, fig.1-23, pl.1-4; Moskva.
	Ruzhencev	1951	Nizhnepermskie ammonity yuzhnogo Urala. 1.Ammonity Sakmarskogo Yarusa. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 33: 1-186, fig.1-62, phot.1-8, pl.1-15; Moskva.