Literature

Authors	Year	Title
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. W. Rothwell, Mapes, G., Mapes, R. H.	1996	Anatomically preserved vojnovskyalean seed plants in Upper Pennsylvanian (Stephanian) marine shales of North America
G. R. Hernandez-Castillo, Rothwell, G. W., Mapes, G.	2001	THUCYDIACEAE Fam. nov., with a review and reevaluation of paleozoic walchian conifers
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. R. Hernandez-Castillo, Rothwell, G. W., Stockey, R. A., Mapes, G.	2003	Growth architecture of Thucydia mahoningensis, a model for primitive walchian conifer plants
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.	2003	Validation of the names Emporiaceae, Emporia, and Emporia lockardii
G. W. Rothwell, Mapes, G., Hernandez-Castillo, G. R.	2005	Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)
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
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