	Authors	Year	Title
	Glenister, Baker & Furnish	1990	Late Permian ammonoid cephalopod Cyclolobus from Western Australia. [B.F.Glenister, C.Baker, W.M.Furnish & J.M.Dickins]. Journal of Paleontology, 64 (3): 399-402, fig.1; Tulsa, Okla.
	Zakharov	1983	Novye permskie tsiklobidy (Goniatitida) yuga SSSR. (New Permian cyclolobids (Goniatitida) from the South of the ESSR). Paleontologicheskiy Zhurnal, 1983 (2): 126-130, fig.1-3; Moskva.
	Zakharov & Pavlov	1986	Permskie tsefalopody Primor'ia i problema zonal'nogo raschleneniia Permi teticheskoi oblasti. [Permian cephalopods of Primorye region and the problem of Permian zonal stratification in Tethys]. Korreliatsiia Permo-Triasovykh otlozhenii vostoka SSSR (eds. Yu.D.Zakharov & Yu.I.Onoprienko): 5-32, 14 fig., pl.1-4, Vladivostok.