Authors Year Title
Bogoslovskaya & Popov 1986 Ammonoidei na granitse karbona i permi. [In Russian: Ammonoids at the boundary  of Carboniferous and Permian.]
In: Papulov,G.N. [ed.], Pogranichnye otlozheniya karbona i permi Urala, Priural'ya i Srednei Azii. Biostratigrafiya i korrelyatsiya. 56-63, tab.2-3.
Bogoslovskaya, Leonova & Shkolin 1995 The Carboniferous-Permian boundary and ammonoids from the Aidaralesh section, southern Urals.
Journal of Paleontology 69: 288-301, 12 figs., Lawrence, KS.
Doguzhaeva 1999 Chelyutnoi apparat pozdnekamennougol'nykh ammonoidei Yuzhnogo Urala.
In: Rozanov,A.Yu. & Shevyrev,A.A. (eds.), Fossil cephalopods: Recent advances in their study, Ross.Akad.Nauk, Paleont.Inst.: 68-87, 3 pls., Moskva.
Popov 1999 Gzhelskie ammonoidei Karachatyra (Srednyaya Aziya).
Voprosy paleontologii, Sankt-Peterburgskii Gosudarstvennyi Universitet, 11: 75-87, 2 figs., 2 pls., Sankt-Peterburg.
Tanabe, Landman & Mapes 1993 Analysis of a Carboniferous embryonic assemblage - implications for ammonoid embryology. [Tanabe,K., Landman,N.H., Mapes,R.H. & Faulkner,C.J.].
Lethaia, 26: 215-224, 8 fig., Oslo.
Tanabe, Landman & Mapes 1994 Early shell features of some late Paleozoic ammonoids and their systematic implications.
Transactions and Proceedings of the Palaeontological Society of Japan, n.ser., 173: 384-400, 8 figs.
Wagner, Jones & Spinner 1970 The upper Cantabrian rocks near Inguanzo, eastern Asturias, Spain.
Congrès et Colloques de l'Université de Liège, 55: 465-486, 2 figs., 2 tabl., pls.30-33, Liège.