Authors Year Title
Librovitch 1957 O nekotorykh novykh gruppakh goniatitov iz kamennougol'nykh otlozhenii SSSR.
Ezhegodnik vesuyuznogo paleont. obshchestva, 16: 246-273, fig.1-10, pl.1-4; Moskva.
Malinky & Mapes 1982 A new ferganoceratin ammonoid from the Mississippian (Lower Chesterian) of Arkansas.
Journal of Paleontology, 56 (2): 308-314, 1fig., 1tab., 1pl.; Lawrence, Kansas.
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.
Pitinova 1974 Stratigrafiya i ammonoidei Namyura Tsentral'nykh Kyzylkumov i Yuzhnoi Fergany.
1-66, 8 figs.,1 tab., 12 pls., Tashkent (Izdatel'stvo FAN Uzbekskoy SSR).
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.