Authors Year Title
Bisat 1924 The Carboniferous goniatites of the North of England and their zones.
Proceedings of the Yorkshire Geological Society, 20: 40-124, pl.1-10; Leeds.
Bisat 1934 The goniatites of the Beyrichoceras zone in the north of England.
Proceedings of the Yorkshire Geological Society, 22: 280-309, fig.1-27, pl.17-24; Leeds.
Calver & Ramsbottom 1961 Stratigraphical Palaeontology. In: J.R. Earp et al.: Geology of the Country around Clitheroe an Nelson.
Memoir of the Geological Survey of Great Britain, Expl. one-inch Geol. Sheet 68, New Series: 174-207, pl.10,11; London.
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.
House 1985 Class Cephalopoda.
In: Murray,J.W. (Ed.): Atlas of invertebrate macrofossils.- 114-152, fig.6.7.1-6.7.25, pl.6.7.1-6.7.127; New York.
Lemosquet, Conrad & Manger 1985 Ammononoids. [In: M.Diaz, R.H.Wagner, C.F. Winkler Prins & L.F.Granados, eds., The Carboniferous of the World, 2.]
International Union of Geological Sciences Publication, 20: 367-372, pls.7-10, Madrid.
Pareyn 1961 Les Massifs Carbonifères du Sahara Sud-Oranais. Tome II. Paléontologie stratigraphique.
Publications Centre Rech. Sahariennes, Ser. Géologie, 1: 1-244, fig.1-27, pl.1-28; Paris.
Riley 1990 Stratigraphy of the Worston Shale Group (Dinantian), Craven Basin, north-west England.
Proceedings of the Yorkshire Geological Society 48: 163-187, 17 text-figs.
Riley 1996 Mid-Dinantian ammonoids from the Craven Basin, northwest England.
Special papers in Palaeontology, 53: 1-87, 8 pls., 51 text-figs., London (Palaeontological Association).