Literature

Authors	Year	Title
G. W. Rothwell	1981	The Callistophytales (Pteridospermopsida): reproductively sophisticated paleozoic gymnosperms
J. A. Clement-Westerhof	1984	Aspects of Permian palaeobotany and palynology IV. The conifer Ortiseia Florin from the Val Gardena Formation of the Dolomites and The Vicentinian Alps (Italy) with special reference to a revised concept of the Walchiaceae (Goeppert) Schimper
S. V. Meyen, Smoller H. G.	1986	The genus Mostotchkia chachlov (upper palaeozoic of angaraland) and its bearing on the characteristics of the order dicranophyllales (pinopsida)
J. A. Clement-Westerhof	1987	Aspects of Permian palaeobotany and palynology, VII. The Majonicaceae, a new family of Late Permian conifers
S. Archangelsky, Cuneo R.	1987	Ferugliocladaceae, a new conifer family from the Permian of Gondwana
T. Delevoryas, Hope R. C.	1987	Further observations on the Late Triassic conifers Compsostrobus neoreticus and Voltzia andrewsii
Z. Gao, Thomas B. A.	1989	A review of fossil cycad megasporophylls, with new evidence of Crossazamia Pomel and its associated leaves from the Lower Permian of Taiyuan, China
J. H. F. Kerp, Poort, R. J., Swinkels, h.A. J. M., Verwer, R.	1990	Aspects of Permian Palaeobotany and Palynology. IX. Conifer-dominated Rotliegend floras from the Saar-Nahe basin (?Late carboniferous-early permian; SW-Germany) with special reference to the reproductive biology of early conifers
S. Archangelsky, Cúneo R.	1990	Polyspermophyllum, a New Permian Gymnosperm form Argentina, with Considerations about the Dicranophyllales
J. A. Clement-Westerhof, Van Cittert J. H. A. van	1991	Hirmeriella muensteri: new data on the fertile organs leading to a revised concept of the Cheirolepidiaceae
X. Yao, Taylor, T. N., Taylor, E. L.	1993	The Triassic seed cone Telemachus from Antarctica
B. E. Balme	1995	Fossil in situ spores and pollen grains: an annotated catalogue
S. V. Meyen	1997	Permian conifers of Western Angaraland
J. Hilton, Geng B.	1998	Batenburgia sakmarica Hilton et Geng, gen. et sp. nov., a new genus of conifer from the Lower Permian of China
K. Jeet Singh, Rothwell, G. W., Mapes, G., Chandra, S.	2003	Reinvestigation of the coniferophyte morphospecies Buriadia heterophylla Seward and Sahni, with reinterpretation of vegetative diversity and putative seed attachments
M. Booi, van Waveren, I. M., Van Cittert, J. H. A. van, de Boer, P. L.	2008	New material of Macralethopteris from the Early Permian Jambi flora (Middle Sumatra, Indonesia) and its palaeoecological implications
M. Booi, van Waveren, I. M., Van Cittert, J. H. A. van	2009	Comia and Rhachiphyllum from the Early Permian of Sumatra, Indonesia
Z. Š. imůnek, Martínek K.	2009	A study of Late Carboniferous and Early Permian plant assemblages from the Boskovice Basin, Czech Republic
R. Serbet, Escapa, I., Taylor, T. N., Taylor, E. L., Cúneo, R.	2010	Additional observations on the enigmatic Permian plant Buriadia and implications on early coniferophyte evolution