Literature

Authors	Year	Title
G. W. Rothwell, Mapes, G., Mapes, R. H.	1996	Anatomically preserved vojnovskyalean seed plants in Upper Pennsylvanian (Stephanian) marine shales of North America
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, Warner S.	1984	Cordaixylon dumusum n.sp. (Cordaitales). I. Vegetative Structures
G. W. Rothwell, Mapes, G., Stockey, R. A., Hilton, J., Bateman, R. M.	2009	Descent with modification, transformational series, and phylogenetic analyses to infer the evolution of modern conifer families, in Abstracts GSA Annual Meeting Portland
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. W. Rothwell, Mapes, G., Hernandez-Castillo, G. R.	2005	Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)
G. W. Rothwell, Serbet R.	1994	Lignophyte phylogeny and the evolution of spermatophytes: a numerical cladistic analysis
M. L. Trivett, Rothwell G. W.	1985	Morphology, systematics and palaeoecology of palaeozoic Fossil plants: Mesoxylon priapii, sp. nov. (Cordaitales)
W. Nichols Stewart, Rothwell G. W.	1993	Palaeobotany and the evolution of plants
G. Mapes, Rothwell G. W.	1984	Permineralized ovulate cones of Lebachia from Late Palaeozoic limestones of Kansas
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
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
G. Mapes, Rothwell G. W.	1991	Structure and relationships of primitive conifers
G. W. Rothwell	1981	The Callistophytales (Pteridospermopsida): reproductively sophisticated paleozoic gymnosperms
G. W. Rothwell	1975	The Callistuphytaceae (Pteridospermopsida): I. Vegetative structures
G. R. Hernandez-Castillo, Rothwell, G. W., Mapes, G.	2001	THUCYDIACEAE Fam. nov., with a review and reevaluation of paleozoic walchian conifers
G. Mapes, Rothwell G. W.	2003	Validation of the names Emporiaceae, Emporia, and Emporia lockardii