Balbach M.K. Palaeozoic Lycopsids fructifications. I. Lepidocarpon petrifactions. Am. J. Bot. 52:1965;317-330.
Bouckaert J., Lambrecht L. Le Namurien du flanc sud du synclinal de Liège entre Seraing et Amay (province de Liège). Bull. Soc. belge Géol. 75:1966;7-27.
Boureau, E., 1964. Traité de paléobotanique. Masson, Paris, Vol. III, 544 pp.
Brzyski, B., 1969. Tissue structures of petrified plant remains from the Carboniferous (Namurian A) of the Upper Silesian Coal Basin. Acta Palaeobot. X (1), 1-98.
DiMichele W.A. Arborescent lycopods of Pennsylvanian age coals: Lepidophloios. Palaeontographica B. 171:1979;57-77.
DiMichele W.A., Phillips T.L. Monocyclic Psaronius from the Lower Pennsylvanian of the Illinois Basin. Can. J. Bot. 55(19):1977;2514-2524.
Fairon-Demaret, M., Poty, E., 1987. Carmeuse quarry at Engihoul. In: Bouckaert, J. et al. (Eds.), Visean-Namurian beds in Belgium, Soc. belge Géol. Centenary Symposium Guidebook, Bruxelles, pp. 32-33.
Galtier J. Un nouveau type de fructification filicéenne du Carbonifère inférieur. C.R. Acad. Sci. Paris. 266:1968;1004-1007.
Galtier J. Coal balls floras of the Namurian-Westphalian of Europe. Rev. Palaeobot. Palynol. 95:1997;51-72.
Galtier J., Scott A.C. Studies of Paleozoic ferns: on the genus Corynepteris. A redescription of the type and some other European species. Palaeontographica B. 170:1979;81-125.
Galtier J., Scott A.C. A partially permineralized Lepidophloios from the early Upper Carboniferous of Scotland. Ann. Bot. 58:1986;617-626.
Goodlet G.A. A Megaphyton from the Limestone Coal Group in Fife. Geol. Mag. 94:1957;157-159.
Gordon W.T. On Lepidophloios scottii (a new species from the Calciferous Sandstone Series at Pettycur, Fife). Trans. R. Soc. Edinburgh. 46:1908;443-453.
Hutchinson S.A. A review of the genus Sporocarpon Williamson. Ann. Bot. 19:1955;425-435.
Josten, K.-H., 1983. Die fossilen Floren im Namur des Ruhrkarbons. Geologisches Landesamt Nordrhein-Westfalen, Krefeld, 327 pp.
Lane, H.R., Baeseman, J.F., 1982. A Mid-Carboniferous boundary based on conodonts and revised intercontinental correlations. In: Ramsbottom, W.H.C., Saunders, W.B., Owens, B. (Eds.), Biostratigraphic Data for a Mid-Carboniferous Boundary. Biennal Meeting of Subcommission on Carboniferous Stratigraphy, Leeds, pp. 6-12.
Meyer-Berthaud B., Galtier J. Une nouvelle fructification du Carbonifère inférieur d'Ecosse: Burnitheca, Filicinée ou Ptéridospermale? C.R. Acad. Sci. Paris Sér. II. 303:1986;1263-1268.
Mickle, J.E., 1984. Taxonomy of specimens of the Pennsylvanian-age Marattialean Fern Psaronius from Ohio and Illinois. Illinois State Mus. Sci. Pap. XIX, 1-63.
Millay M.A. Studies of Paleozoic marattialeans: a monograph of the American species of Scolecopteris. Palaeontographica B. 169:1979;1-69.
Millay M.A., Eggert D.A. Idanothekion gen. n., a synangiate pollen organ with saccate pollen from the Middle Pennsylvanian of Illinois. Am. J. Bot. 57:1970;50-61.
Millay M.A., Taylor T.N. Feraxotheca gen. n., a lyginopterid pollen organ from the Pennsylvanian of North America. Am. J. Bot. 64:1977;177-185.
Morgan J. The morphology and anatomy of American species of the genus Psaronius. Illinois Biol. Monogr. 27:1959;1-108.
Paproth E., Dusar M., Bless M.J.M.et al. Bio- and lithostratigraphic subdivisions of the Silesian in Belgium, a review. Ann. Soc. géol. Belg. 106:1983;241-283.
Riley N.J., Claoue-Long J., Higgins A.C., Owens B., Speras A., Taylor L., Varker W.J. Geochronometry and geochemistry of the European mid-Carboniferous boundary global stratotype proposal, Stonehead beck, North Yorkshire, UK. Ann. Soc. géol. Belg. 116:1993;275-289.
Scott A.C., Brown R., Galtier J., Meyer-Berthaud B. Fossil plants from the Viséan of East Kirkton, West Lothian, Scotland. Trans. R. Soc. Edinburgh, Earth Sciences. 84:1994;249-260.
Scott A.C., Galtier J., Clayton G. Distribution of anatomically preserved floras in the Lower Carboniferous of Western Europe. Trans. R. Soc. Edinburgh, Earth Sciences. 75:1984;311-340.
Scott A.C., Galtier J., Mapes R.H., Mapes G. Palaeoecological and evolutionary significance of anatomically preserved terrestrial plants in Upper Carboniferous marine goniatite bullions. J. Geol. Soc., London. 154:1997;61-68.
Scott D.H. On the structure and affinities of fossil plants from the Palaeozoic rocks. IV. The seed-like fructification of Lepidocarpon, a genus of Lycopodiaceous cone from the Carboniferous Formation. Philos. Trans. R. Soc. London B. 194:1901;291-333.
Stockmans F., Williere Y. Végétaux namuriens de la Belgique. Ass. Etude Paléont. Strat. Houill. 13:1953;1-382.
Stidd B.M., Phillips T.L. Basal stem anatomy of Psaronius. Am. J. Bot. 61:1968;834-840.
Stubblefield S.P., Taylor T.N., Miller C.E., Cole G.T. Studies of Carboniferous fungi. II. The structure and organization of Mycocarpon, Sporocarpon, Dubiocarpon and Coleocarpon (Ascomycotina). Am. J. Bot. 70:1983;1482-1498.
Taylor, T.N., Taylor, E.L., 1993. The Biology and Evolution of Fossil Plants. Prentice Hall, Engelwood Cliffs, NJ, 982 pp.
Taylor T.N., Taylor E.L. The distribution and interactions of some Paleozoic fungi. Rev. Palaeobot. Palynol. 95:1997;83-94.
Taylor T.N., White J.F. Jr. Fossil fungi (Endogonaceae) from the Triassic of Antartica. Am. J. Bot. 76:1989;389-396.
Thomas B.A. Epidermal studies in the interpretation of Lepidophloios species. Palaeontology. 20:1977;273-293.
Thomas B.A., Crampton D.M. A fertile Zeilleria avoldensis from the British Upper Carboniferous. Rev. Palaeobot. Palynol. 11:1971;283-293.
Trivett M.L., Rothwell G.W. Diversity among Paleozoic Cordaitales. N. Jb. Paläont. Abh. 183:1991;289-305.
Wagner R.H., Winkler Prins C.F. General overview of Carboniferous stratigraphy. Ann. Soc. géol. Belg. 116:1993;163-174.
Wagner, R.H., Winkler Prins, C.F., 1997. Carboniferous chronostratigraphy: Quo vadis? In: Proceedings of the XIII International Congress on the Carboniferous and Permian, pp. 187-196.
Walton J. Scottish Lower Carboniferous plants: the fossil hollow tree of Arran and their branches (Lepidophloios wunschianus Carruthers). Trans. R. Soc. Edinburgh. 58:1935;313-337.
White J.F., Taylor T.N. Triassic fungi with suggested affinities to the Endogonales (Zygomycotina). Rev. Palaeobot. Palynol. 61:1989;53-61.
