Authors Year Title
Bouckaert & Higgins 1963 La Base du Namurien dans le Bassin de Dinant.
Bulletin de la Societé Belge de Géolgie, Paléontologie, Hydrologie, 72: 106-122, fig.1-3, pl.1-7; Bruxelles.
Dunham & Stubblefield 1944 The stratigraphy, structure and mineralization of the Greenhow mining area, Yorkshire.
Quarterly Journal of the Geological Society of London, 100 (for 1944): 209-268, 6 fig., pl.11, 12, London 1945.
Titus 2000 Late Mississippian (Arnsbergian Stage-E2 chronozone) ammonoid paleontology and biostratigraphy of the Antler foreland basin, California, Nevada, Utah.
Bulletin 131 Utah Geological Survey, 1-108, 51 text-figs., 17 tabls., 16 pls., Salt Lake City.
Yates 1962 The Palaeontology of the Namurian rocks of Slieve Anierin, Co. Leitrim, Eire.
Palaeontology, 5(3): 355-443, fig.1-4, pl.51-62, tab.1-4; London.