Authors Year Title
Bisat 1950 The junction faunas of the Viséan and Namurian.
Transactions of the Leeds Geologists Association., 6 (3): 10-26, fig.1, pl.1,2; Kendal.
Delépine 1941a Les goniatites du Carbonifère du Maroc et des confins Algéro-Marocains du sud (Dinantien-Westphalien).
Notes et Mémoires, Service géologique, Protectorat de l'État Francais au Maroc, 56: 1-111, Taf.1-8.
Demanet 1938 La Fauna des Couches de passage du Dinantien au Namurien dans le Synclinorium de Dinant.
Mémoires du Museé Royal d`Histoire Naturelle de Belgique, 84: 1-201, fig.1-39, pl.1-14; Bruxelles.
Korn 1992 Ammonoideen aus dem Oberdevon und Unterkarbon von Aprath, Schurf Steinbergerbach und Straßeneinschnitt Kohleiche.
In: Thomas,E. (ed.): Oberdevon und Unterkarbon von Aprath im Bergischen Land: 169-182, fig.1, pl.1-5; Köln (von Loga).
Korn & Feist 2007 Early Carboniferous ammonoid faunas and stratigraphy of the Montagne Noire (France).
Fossil Record 10 (2) (2007): 99-124, 20 fig.
Oliveira, Horn & Paproth 1979 Preliminary note on the stratigraphy of the Baixo Alentejo Flysch Group, Carboniferous of Southern Portugal and on the palaeogeographic development, compared to corresponding units in Northwest Germ
Comunicacoes dos Servicos de Portugal, 65: 151-168, fig.1-5, tab.1-2, pl.1-4; Lisboa.
Oliveira, Horn & Paproth 1979 Preliminary note on the stratigraphy of the Baixo Alentejo Flysch Group, Carboniferous of Southern Portugal and on the palaeogeographic development, compared to corresponding units in Northwest Germ
Comunicacoes dos Servicos de Portugal, 65: 151-168, fig.1-5, tab.1-2, pl.1-4; Lisboa.
Oliveira & Wagner-Gentis 1983 The Mértola and Mira formation boundary between Dogueno and Almada de Ouro, marine Carboniferous of South Portugal.
Contr. Carboniferous Geol. Palaeont. Iberian Peninsula (Ed.: Lemos de Sousa,M.J.): 1-39, fig.1-14, pl.1-9; Porto.
Wagner-Gentis 1980 Goniatites from the Viséan-Namurian junction beds in Palencia, NW Spain.
Scripta Geologica, 55: 1-43, fig.1-15, pl.1-8; Leiden.
Weyer 1975 Biostratigraphie des Magdeburg-Flechtinger Kulms.
Zeitschrift für geologische Wissenschaften, 3 (1975,5): 547-589, fig.1-17, tab.1, pl.1-8; Berlin.