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Miller, Jr, CN1999Implications of Fossil Conifers for the Phylogenetic Relationships of Living Families
Miller, Jr., CN1977Mesozoic conifers
Miller, Jr., CN, Brown, JThomas1973A new Voltzialean cone bearing seeds with embryos from the Permian of Texas
Nielsen, SN2005The Triassic Santa Juana Formation at the lower Biobío River, south central Chile
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Němejc, F1959Notes on the evolution and taxonomy of the stachyospermic gymnosperms
Ogg, G2009International Stratigraphic Chart
Pant, DD, Nautiyal, DD1967On the structure of Buriadia heterophylla (Feistmantel) Seward & Sahni and its fructification
Parris, KM, Drinnan, AN, Cantrill, DJ1995Palissya cones from the. Mesozoic of Australia and New Zealand
Playford, G, Rigby, JF2008Permian palynoflora of the Ainim and Aiduna formations. West Papua
Podani, J2009Taxonomy versus evolution
Posthumus, O1927Eenige opmerkingen betreffende de Palaeozoische flora van Djambi, Sumatra
Qiao, C-Y, Ran, J-H, Li, Y, Wang, X-Q2007Phylogeny and biogeography of Cedrus (Pinaceae) inferred from sequences of seven paternal chloroplast and maternal mitochondrial DNA regions
Qiu, Y-L, Lee, J, Bernasconi-Quadroni, F, Soltis, D, Soltis, P, Zanis, M, Zimmer, E, Chen, Z, Savolainen, V, Chase, MW1999The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes
Ran, J-H, Gao, H, Wang, X-Q2009Fast evolution of the retroprocessed mitochondrial rps3 gene in Conifer II and further evidence for the phylogeny of gymnosperms
Reed, FD1946On Cardiocarpon and some associated plant remains from Iowa coal fields
Renault, BMM, Zeiller, R1888Etudes sur le terrain houiller de Commentry. Livre Deuxième. Flore Fossile
Rossetti, DF, De Toledo, PM2006Biodiversity from a historical geological perspective: a case study from the Marajo Island, lower Amazon
Rothwell, GW1981The Callistophytales (Pteridospermopsida): reproductively sophisticated paleozoic gymnosperms
Rothwell, GW1975The Callistuphytaceae (Pteridospermopsida): I. Vegetative structures
Rothwell, GW, Mapes, G2001Barthelia furcata gen. nov. et sp. nov., with a review of paleozoique coniferiphytes and a discussion of coniferophyte systematics
Rothwell, GW, Mapes, G, Hernandez-Castillo, GR2005Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)
Rothwell, GW, Mapes, G, Mapes, RH1996Anatomically preserved vojnovskyalean seed plants in Upper Pennsylvanian (Stephanian) marine shales of North America
Rothwell, GW, Mapes, G, Stockey, RA, Hilton, J, Bateman, RM2009Descent with modification, transformational series, and phylogenetic analyses to infer the evolution of modern conifer families, in Abstracts GSA Annual Meeting Portland
Rothwell, GW, Serbet, R1994Lignophyte phylogeny and the evolution of spermatophytes: a numerical cladistic analysis
Rothwell, GW, Warner, S1984Cordaixylon dumusum n.sp. (Cordaitales). I. Vegetative Structures
Rowley, DB, Raymond, A, Totman-Parrish, J, Lottes, AL, Scotese, CR, Ziegler, AM1985Carboniferous paleogeographic, phytogeographic, and paleoclimatic reconstructions.
Rémy, W, Rémy, R1977Die Floren des Erdaltertums
Rémy, R, Rémy, W1959Beiträge zur Kenntnis der Rotliegendflora Thüringens, Teil IV
Salley, S, Morales, M, Sleezer, RO2005Surficial Geology of the Hamilton Quarry Area, Greenwood County, Kansas
Schenk, A1867Die fossile Flora der Grenzschichten des Keupers und Lias Frankens
SCHIMPER, WPhilipp1869Traité de paléontologie végétale ou la flore du monde primitif dans ses rapports avec les formations géologiques et la flore du monde actuel: avec un atlas de 100 planches grand in-quatro lithographiées, Tome 1
Schimper, WP1872Traité de paléontologie végétale ou la flore du monde primitive
Schindler, T2007Geologie, Stratigraphie und Genese des permokarbonischen Saar-Nahe-Beckens
Schweitzer, H-J1963Der weibliche Zapfen von Pseudovoltzia liebeana und seine Bedeutung fur die Phylogenie der Koniferen
Schweitzer, H-J, Kirchner, M1996Die Rhäto- Jurassischen Floren des Iran und Afghanistans: 9. Coniferophyta
Scott, AC, Chaloner, WG1983The Earliest Fossil Conifer from the Westphalian B of Yorkshire
Serbet, R, Escapa, I, Taylor, TN, Taylor, EL, Cúneo, R2010Additional observations on the enigmatic Permian plant Buriadia and implications on early coniferophyte evolution
Seward, AC1917Pteridospermae, Cycadofilices, Cordaitales, Cycadophyta
Singh, KJeet, Rothwell, GW, Mapes, G, Chandra, S2003Reinvestigation of the coniferophyte morphospecies Buriadia heterophylla Seward and Sahni, with reinterpretation of vegetative diversity and putative seed attachments
Grauvogel-Stamm, L, Grauvogel, L1975Aetophyllum Brongniart 1828, conifer (Non equisetal) from the Voltzia Sandstone (Upper Bunter) of the Vosges (France), a preliminary account
Grauvogel-Stamm, L, Grauvogel, L1973Masculostrobus acuminatum nom nov., un nouvel organe reproducteur male de gymnosperme du Grès à Voltzia (Trias Inferieur) des Vosges (France)
Stephenson, M, Osterloff, PL, Filatoff, J2003Palynological biozonation of the Permian of Oman and Saudi Arabia: progress and challenges
Sternberg, K1825Versuch einer geognostisch-botanischen Darstellung der Flora der Vorwelt
Sternberg, K1823Versuch einer geognostisch-botanischen Darstellung der Flora der Vorwelt
Stewart, WNichols, Rothwell, GW1993Palaeobotany and the evolution of plants
Stockmans, F, Mathieu, FF1957La flore paléozoique du Bassin houiller de Kaiping (Chine) (deuxième partie)
Suwarna, N, Suharsono, Gafoer, S, Amin, TC, Kusnama, Hermanto, B1998Geological map of the Bangko Quadrangle (0913-4), Sumatera, Scale 1 : 100,000. Detailed Geological Map, Indonesia
Suwarna, N, Surono, Mangga, SA, Suyoko, Sumito, Achdan, A, Wahyono, H, Suryono, N, Simandjundak, TO, Suwarti, T2000Minatak Kuantan – Pegunungan Duabelas
Takaso, T, Tomlinson, FLS1992Seed cone and ovule ontogeny in Metasequoia, Sequoia and Sequoiadendron (Taxodiaceae-Coniferales)


Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith