Authors Year Title
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.
Korejwo 1969 Stratigraphy and palaeogeography of the Namurian in the Polish Lowland.
Acta Geologica Polonica, 19 (4): 609-709, fig.1-6, chart 1-7, pl.1-46; Warszawa.
Korn 1997 The Palaeozoic ammonoids of the South Portuguese Zone.
Memórias do Instituto geológico e Mineiro 33: 1-131, 69 text-figs., 16 pls., Lisboa.
Kumpera 1971a Faunistické lokality a prehled fauny Moravického souvrství (Svrchní Visé).-[Faunal Localities and Faunal Synopsis of the Moravice Group (the Upper Viséan of the Moravo-Silesian Basin).
Sbornik, Vysok.skol.banské,Ostrava,17 (1): 107-124, pl.1-5; Ostrava.
Popov 1979 Kamennougol'nye ammonoidei Donbassa i ikh stratigraficheskoe znachenie.
Vsesoyuznyi ordena Lenina nauchno-issledovatel'skii geologicheskii institut, Trudy, novaia seriya, 220: 1-106, figs. 1-10, pl.1-12, Leningrad.
Ruzhencev & Bogoslovskaya 1978 Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva.