Literature

Authors	Year	Title
R. Florin	1938	Die Koniferen des Oberkarbons und des unteren Perms I-VII
R. Florin	1927	Paleozoic conifers
M. W. Frohlich, Chase M. W.	2007	After a dozen years of progress the origin of angiosperms is still a great mystery
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
R. A. Gastaldo, DiMichele, W. A., Pfefferkorn, H. W.	1996	Out of the icehouse into the greenhouse: A Late Paleozoic Analog for modern global vegetational change
B. Geng, Hilton J.	1999	New coniferophytes ovulate structures from the Early Permian of China
D. S. Gernandt, Magallon, S., G. Lopez, G., O. Flores, Z., Willyard, A., Liston, A.	2008	Use of simultaneous analyses to guide fossil-based calibrations of Pinaceae Phylogeny
I. G. Glasspool, Hilton, J., Collinson, M. E., Wang, S. J.	2004	Defining the gigantopterid concept: a reinvestigation of Gigantopteris (Megalopteris) nicotianaefolia Schenck and its taxonomic implications
P. A. Goloboff	1999	NONA (NONAME), ver. 2
F. Cyrille Grand'Eury	1877	Mémoires sur la flore Carbonifère du Département de la Loire et du centre de la France, êtudiée aux trois points de vue botanique, stratigraphic et géognostique
F. Gugerli, Sperisen, C., Buchler, U., Brunner, I., S., B., J.D., P., Y.L., Q.	2001	The evolutionary split of Pinaceae from other conifers: evidence from an intron loss and a miltigene phylogeny
H. Robert Göppert	1865	Die fossile Flora der Permischen Formation
H. Robert Göppert	1864	Die fossile Flora der Permischen Formation
T. G. Halle	1927	Palaeozoic plants from Central Shansi
J. Hart	1987	A cladistic analysis of conifers: premininary results
F. Hasibuan, Andi-Mangga, S., Suyoko	2000	Stereochia semi-reticulatus (Martin) dari Formasi Mengkarang, Jambi, Sumatera
O. Heer	1876	Ueber permische Pflanzen von Fünkirchen in Ungarn
G. R. Hernandez-Castillo, Rothwell, G. W., Mapes, G.	2001	THUCYDIACEAE Fam. nov., with a review and reevaluation of paleozoic walchian conifers
G. R. Hernandez-Castillo, Rothwell, G. W., Stockey, R. A., Mapes, G.	2003	Growth architecture of Thucydia mahoningensis, a model for primitive walchian conifer plants
G. R. Hernandez-Castillo, Stockey, R. A., Rothwell, G. W., Mapes, G.	2009	Reconstructing Emporia lockardii (Voltziales: Emporiaceae) and initial thoughts on palaeozoic conifer ecology
J. Hilton, Bateman R. M.	2006	Pteridosperms are the backbone of seed-plant phylogeny
J. Hilton, Cleal C. J.	2007	The relationship between Euramerican and Cathaysian tropical floras in the Late Palaeozoic: Palaeobiogeographical and palaeogeographical implications
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, Li C. S.	2003	Reinvestigation of Nystroemia pectiniformis Halle, an enigmatic seed plant from the Upper Permian of China
A. R. Huffer	2007	The Sedimentological and Paleontological Characteristics of the Portersville Shale, Conemaugh Group, Southeast Ohio
L. Hörhammer	1933	Uber die coniferen-gattungen Cheirolepis Schimper und Hirmeriella nov. gen. Aus Rhaet-Lias von Franken
Z. Š. imůnek, Martínek K.	2009	A study of Late Carboniferous and Early Permian plant assemblages from the Boskovice Basin, Czech Republic
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]
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)
W. J. Jongmans, Gothan W.	1935	Die Ergebnisse der paläobotanischen Djambi-Expedition 1925, 2. Die paläobotanische Ergebnisse
W. J. Jongmans, Gothan W.	1925	Beiträge zur Kenntnis der Flora des Oberkarbons von Sumatra
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
P. Kershaw, Wagstaff B.	2001	The southern conifer family Araucariaceae: history, status, and value for paleoenvironmental reconstruction
M. Kirchner	1992	Untersuchungen an einigen Gymnospermen der Fränkrischen Rhät-Lias-Grenzschichten
K. Krainer	1985	Zur Sedimentologie des Alpinen Buntsandsteins und der Werfener Schichten (Skyth) Kärntens
A. B. Leslie	2008	Interpreting the function of saccate pollen in ancient conifers and other seed plants
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.
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
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.
C. V. Looy	2007	Extending the range of derived Late Palaeozoic Conifers: Lebowskia gen. nov. (Majonicaceae)
G. Mapes, Rothwell G. W.	2003	Validation of the names Emporiaceae, Emporia, and Emporia lockardii
G. Mapes, Rothwell G. W.	1991	Structure and relationships of primitive conifers
G. Mapes, Rothwell G. W.	1984	Permineralized ovulate cones of Lebachia from Late Palaeozoic limestones of Kansas
L. Margulis, Chapman M. J.	2009	Kingdoms and Domains An Illustrated Guide to the Phyla of Life on Earth
S. V. Meyen	1997	Permian conifers of Western Angaraland
S. V. Meyen	1984	Basic features of gymnosperm systematics and phylogeny as evidenced by the fossil record
S. V. Meyen	1982	The Carboniferous and Permian Floras of Angaraland (A synthesis)
S. V. Meyen	1969	New genera, Entsovia and Slivkovia, from permian depsits of the Russian platform and Cisuralia
S. V. Meyen	1988	Gymnosperms of the Angara Flora
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)

Authors