Literature

Authors	Year	Title
G. W. Rothwell, Mapes G.	2001	Barthelia furcata gen. nov. et sp. nov., with a review of paleozoique coniferiphytes and a discussion of coniferophyte systematics
G. W. Rothwell	1975	The Callistuphytaceae (Pteridospermopsida): I. Vegetative structures
G. W. Rothwell	1981	The Callistophytales (Pteridospermopsida): reproductively sophisticated paleozoic gymnosperms
D. F. Rossetti, De Toledo P. M.	2006	Biodiversity from a historical geological perspective: a case study from the Marajo Island, lower Amazon
B. M. M. Renault, Zeiller R.	1888	Etudes sur le terrain houiller de Commentry. Livre Deuxième. Flore Fossile
F. D. Reed	1946	On Cardiocarpon and some associated plant remains from Iowa coal fields
J. - H. Ran, Gao, H., Wang, X. - Q.	2009	Fast evolution of the retroprocessed mitochondrial rps3 gene in Conifer II and further evidence for the phylogeny of gymnosperms
Y. - L. Qiu, Lee, J., Bernasconi-Quadroni, F., Soltis, D., Soltis, P., Zanis, M., Zimmer, E., Chen, Z., Savolainen, V., Chase, M. W.	1999	The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes
C. - Y. Qiao, Ran, J. - H., Li, Y., Wang, X. - Q.	2007	Phylogeny and biogeography of Cedrus (Pinaceae) inferred from sequences of seven paternal chloroplast and maternal mitochondrial DNA regions
O. Posthumus	1927	Eenige opmerkingen betreffende de Palaeozoische flora van Djambi, Sumatra
J. Podani	2009	Taxonomy versus evolution
G. Playford, Rigby J. F.	2008	Permian palynoflora of the Ainim and Aiduna formations. West Papua
K. M. Parris, Drinnan, A. N., Cantrill, D. J.	1995	Palissya cones from the. Mesozoic of Australia and New Zealand
D. D. Pant, Nautiyal D. D.	1967	On the structure of Buriadia heterophylla (Feistmantel) Seward & Sahni and its fructification
G. Ogg	2009	International Stratigraphic Chart
F. Němejc	1959	Notes on the evolution and taxonomy of the stachyospermic gymnosperms
K. C. Nixon, Crepet, W. L., Stevenson, D. W., E.M., F.	1994	A re-evaluation of seed plant phylogeny.
S. N. Nielsen	2005	The Triassic Santa Juana Formation at the lower Biobío River, south central Chile
C. N. Miller, Jr., Brown J. Thomas	1973	A new Voltzialean cone bearing seeds with embryos from the Permian of Texas
C. N. Miller, Jr.	1977	Mesozoic conifers
C. N. Miller, Jr	1999	Implications of Fossil Conifers for the Phylogenetic Relationships of Living Families
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)
S. V. Meyen	1988	Gymnosperms of the Angara Flora
S. V. Meyen	1969	New genera, Entsovia and Slivkovia, from permian depsits of the Russian platform and Cisuralia
S. V. Meyen	1982	The Carboniferous and Permian Floras of Angaraland (A synthesis)
S. V. Meyen	1984	Basic features of gymnosperm systematics and phylogeny as evidenced by the fossil record
S. V. Meyen	1997	Permian conifers of Western Angaraland
L. Margulis, Chapman M. J.	2009	Kingdoms and Domains An Illustrated Guide to the Phyla of Life on Earth
G. Mapes, Rothwell G. W.	1984	Permineralized ovulate cones of Lebachia from Late Palaeozoic limestones of Kansas
G. Mapes, Rothwell G. W.	1991	Structure and relationships of primitive conifers
G. Mapes, Rothwell G. W.	2003	Validation of the names Emporiaceae, Emporia, and Emporia lockardii
C. V. Looy	2007	Extending the range of derived Late Palaeozoic Conifers: Lebowskia gen. nov. (Majonicaceae)
C. Linnaeus	1753	Species Plantarum, exhibentes plantas rite cognitas, ad Genera Relatas, cum Differentiis Specificis, Nominibus Trivialibus, Synonymis Selectis, Locis Natallibus, secundum Systema sexuale digestas.
J. Lindley, Hutton W.	1833	The Fossil Flora of Great Britain; or, Figures and Descriptions of the Vegetable Remains found in a Fossil State in this Country
J. Lindley	1836	A natural system of botany or a systematic view of the organisation, natural affinity and distribution of the whole vegetal system; together with the use of the most important species in medicine.
A. B. Leslie	2008	Interpreting the function of saccate pollen in ancient conifers and other seed plants
K. Krainer	1985	Zur Sedimentologie des Alpinen Buntsandsteins und der Werfener Schichten (Skyth) Kärntens
M. Kirchner	1992	Untersuchungen an einigen Gymnospermen der Fränkrischen Rhät-Lias-Grenzschichten
P. Kershaw, Wagstaff B.	2001	The southern conifer family Araucariaceae: history, status, and value for paleoenvironmental reconstruction
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
W. J. Jongmans, Gothan W.	1925	Beiträge zur Kenntnis der Flora des Oberkarbons von Sumatra
W. J. Jongmans, Gothan W.	1935	Die Ergebnisse der paläobotanischen Djambi-Expedition 1925, 2. Die paläobotanische Ergebnisse
A. Jasper, Ricardi-Branco, F., Guerra-Sommer, M.	2005	Coricladus quiteriensis gen. et sp. nov., a new conifer in Southern-Brazil Gondwana (Lower Permian, Paraná Basin)
K. N. Inosova, Krusina, A. X., Shwartsman, E. R.	1976	Atlas microflora of the Upper Carboniferous and Lower Permian of the Donetz Basin. [in Russian]
Z. Š. imůnek, Martínek K.	2009	A study of Late Carboniferous and Early Permian plant assemblages from the Boskovice Basin, Czech Republic
L. Hörhammer	1933	Uber die coniferen-gattungen Cheirolepis Schimper und Hirmeriella nov. gen. Aus Rhaet-Lias von Franken
A. R. Huffer	2007	The Sedimentological and Paleontological Characteristics of the Portersville Shale, Conemaugh Group, Southeast Ohio
J. Hilton, Li C. S.	2003	Reinvestigation of Nystroemia pectiniformis Halle, an enigmatic seed plant from the Upper Permian of China
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
J. Hilton, Cleal C. J.	2007	The relationship between Euramerican and Cathaysian tropical floras in the Late Palaeozoic: Palaeobiogeographical and palaeogeographical implications