| A new Voltzialean conifer Emporia royalii sp. nov. (Emporiaceae) from the Hamilton Quarry, Kansas |
Hernandez-Castillo, G.R.; Stockey, R.A.; Mapes, Gene; and Rothwell, G.W. |
International Journal of Plant Sciences vol. 170, no. 9, pp. 1201-1227 |
2009 |
N/A
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| A new genus of the Psalixochlaenaceae (Filicales) with Botryopteris vascular anatomy, (abstr.) |
Good, C.W.; and Rothwell, G.W. |
American Journal of Botany vol. 78, no. 6, p. 114 |
1991 |
N/A
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| A new pteropsid fructification from the Middle Pennsylvanian of Kansas |
Rothwell, G.W. |
Palaeontology vol. 19, no. 2, pp. 307-315 |
1976 |
N/A
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| A new pteropsid fructification from the Middle Pennsylvanian of Kansas, (abstr.), pp. 24-25, <In>, Miller, C.N., (chair); Abstracts of papers to be presented at the meetings of the Botanical Society of America and certain affiliated groups at Oregon State University |
Rothwell, G.W. |
Botanical Society of America, Columbus, OH 65 pages |
1975 |
N/A
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| Biology of the Hamilton flora, (abstr.) |
Rothwell, G.W.; and Mapes, G.K. |
Geological Society of America, Abstract with Programs vol. 20, no. 2, p. 127 |
1988 |
N/A
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| Cauline vasculature and leaf trace production in medullosan pteridosperms |
Basinger, J.F.; Rothwell, G.W.; and Stewart, W.N. |
American Journal of Botany vol. 61, no. 9, pp. 1002-1015 |
1974 |
N/A
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| Conifer taphonomy in late Paleozoic clastic non-marine environments, (abstr.) |
Mapes, G.K.; Mapes, R.H.; and Rothwell, G.W. |
Geological Society of America, Abstract with Programs vol. 26, no. 5, p. 52 |
1994 |
N/A
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| Diversity among Hamilton conifers, pp. 225-244, <In>, Mapes, G.[K.]; and Mapes, R.H., (compls. and eds.); Regional geology and paleontology of Upper Paleozoic Hamilton quarry area in southeastern Kansas |
Mapes, G.K.; and Rothwell, G.W. |
Kansas Geological Survey, Guidebook Series no. 6, 273 pages |
1988 |
N/A
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| Diversity and reproduction of the Hamilton conifers, (abstr.) |
Mapes, G.K.; and Rothwell, G.W. |
Geological Society of America, Abstract with Programs vol. 20, no. 2, p. 124 |
1988 |
N/A
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| Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales) |
Rothwell, G.W.; Mapes, G.K.; and Hernandez, C.G.R. |
Taxon vol. 54, no. 3, pp. 733-750 |
2005 |
N/A
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| Late Paleozoic conifer taphonomy in estuarian carbonates, (abstr.) |
Rothwell, G.W.; Mapes, G.K.; and Mapes, R.H. |
Geological Society of America, Abstract with Programs vol. 26, no. 5, pp. 58-59 |
1994 |
N/A
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| Late Paleozoic conifers in the marine environment, (abstr.) |
Mapes, R.H.; Mapes, G.K.; and Rothwell, G.W. |
Geological Society of America, Abstract with Programs vol. 26, no. 5, p. 52 |
1994 |
N/A
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| Late Paleozoic conifers of North America; structure, diversity and occurrences |
Rothwell, G.W.; Mapes, G.K.; and Mapes, R.H. |
Review of Palaeobotany and Palynology vol. 95, nos. 1-4, pp. 95-113 |
1997 |
N/A
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| New interpretations of the earliest conifers |
Rothwell, G.W. |
Review of Palaeobotany and Palynology vol. 37, no. 1/2, pp. 7-28 |
1982 |
N/A
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| Permineralized ovulate cones of Lebachia from late Paleozoic limestones of Kansas |
Mapes, G.K.; and Rothwell, G.W. |
Palaeontology vol. 27, no. 1, pp. 69-94 |
1984 |
N/A
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| Primitive pollen cone structure in Upper Pennsylvanian (Stephanian) walchian conifers |
Mapes, G.K.; and Rothwell, G.W. |
Journal of Paleontology vol. 72, no. 3, pp. 571-576 |
1998 |
N/A
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| Probable attachment of the Dolerotheca campanulum to a Myeloxylon-Alethopteris type frond |
Ramanujam, C.G.K.; Rothwell, G.W.; and Stewart, W.N. |
American Journal of Botany vol. 61, no. 10, pp. 1057-1066 |
1974 |
N/A
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| Reconstructing Emporia lockardii (Voltziales; Emporiaceae) and initial thoughts on Paleozoic conifer ecology |
Hernandez-Castillo, G.R.; Stockey, R.A.; Mapes, Gene; and Rothwell, G.W. |
International Journal of Plant Sciences vol. 170, no. 8, pp. 1056-1074 |
2009 |
N/A
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| Reconstruction of the Pennsylvanian-age walchian conifer Emporia cryptica sp. nov. (Emporiacea; Voltziales) |
Hernandez-Castillo, G.R.; Stockey, R.A.; Rothwell, G.W.; and Mapes, Gene |
Review of Paleobotany and Palynology vol. 157, no. 3-4, pp. 218-237 |
2009 |
N/A
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| The primary vasculature of Cordaianthus concinnus |
Rothwell, G.W. |
American Journal of Botany vol. 64, no. 10, pp. 1235-1241 |
1977 |
N/A
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| Vegetation of Upper Paleozoic conifer communities, (abstr.) |
Rothwell, G.W.; and Mapes, G.K. |
Geological Society of America, Abstract with Programs vol. 20, no. 5, p. 386 |
1988 |
N/A
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| Vegetation of a Paleozoic conifer community, pp. 213-223, <In>, Mapes, G.[K.]; and Mapes, R.H., (compls. and eds.); Regional geology and paleontology of Upper Paleozoic Hamilton quarry area in southeastern Kansas |
Rothwell, G.W.; and Mapes, G.K. |
Kansas Geological Survey, Guidebook Series no. 6, 273 pages |
1988 |
N/A
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| Well developed embryos within Paleozoic conifer seeds; evidence for the origin of seed dormancy, (abstr.) |
Mapes, G.K.; and Rothwell, G.W. |
American Journal of Botany vol. 75, no. 6, pt. 2 [Abstracts], pp. 112-113 |
1988 |
N/A
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