Authors Year Title
Conrad 1984 Les séries Carbonifères du Sahara Central Algérien. Stratigraphie, sédimentation, évolution structurale.
Université dÀix Marseille, Thèse de Doctorat d'Etat ès-Sciences naturelles, 370, 69 figs., 34 tabs., 11 pls.
Currie 1954 Scottish Carboniferous Goniatites.
Transactions of the Royal Society. Edinburgh, 62, part 2 (No.14): 527-602, fig.1-9, 1tab., pl.1-4; Edinburgh.
Hind 1918 On the distribution of the British Carboniferous Goniatites, with a description of one new genus and some new species.
Geological Magazine, 5 (10): 434-450, pl.16; London.
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).