	Authors	Year	Title
	Kullmann, Perret Mirouse & Delvolvé	2008	Goniatites et conodontes du Viséen/Serpukhovien dans les Pyrénées centrales et occidentales, France. Geobios, 41 (2008): 635-656, 17 fig.
	Nikolaeva	1994	Serpukhovskie i bashkirskie ammonoidei Sredney Asii. Trudy Paleontologicheskogo Instituta Rossiiskaya Akademiya Nauk, 259: 1-143, fig.1-56, tab.1-2, pl.1-10; Moskva.
	Nikolaeva	1995	Ammonoids from the late Lower and early Upper Carboniferous of Central Asia. Courier Forschungsinstitut Senckenberg, 179: 1-107, fig.1-75, tab.1-2, pl.1-9; Frankfurt a.M.
	Nikolaeva, Akhmetshina & Konovalova	2009	The Carboniferous carbonates of the Dombar Hills (western Kazakhstan) and the problem of the Viséan-Serpukhovian boundary. [S.V.Nikolaeva, L.Z.Akhmetshina, V.A.Konovalova, V.F.Korobkov & G.F.Zainakaeva] Palaeoworld, 18: 80-93, 9 fig.
	Popov	1975	Ammonoidea (Ammonoidei). In: Paleontologicheskii Atlas kamennougol'nykh otlozhenii Urala. [In Russian]. Trudy VNIGRI 383: 111-130, pls.35-44, Leningrad (Nedra).
	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 & Bogoslovskaya	1971a	Namiurskii etap v evoliutsii ammonodei. Rannenamiurskie ammonoidei. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 133: 1-382, fig.1-89, pl.1-40; Moskva.
	Shkolin	2000	O nizhnekamennougol'nykh ammonoideyakh Podmoskovskogo Basseina. In: Zonal'nye podrazdeleniya karbona obshchei stratigraficheskoi shkaly Rossii. (In Russian). Materialy Vserossiiskogo Sovechaniya [Zonal Carboniferous subdivisions of the General Stratigraphic Scale of Russia], p. 104-105, Ufa (Gilem).
	Zakharov	1969	Novye dannye k stratigrafii Namiura po ammonoideiam khr. Karachatyr. Doklady Akademii Nauk SSSR 1969, 185 (1): 149-151, 1 text-fig., Moskva.