Taeniopterid lamina on Phasmatocycas megasporophylls (Cycadales) from the Lower Permian of Kansas, U.S.A.
Review of Palaeobotany and Palynology
By: W. H. Gillespie and H.W. Pfefferkorn
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Abstract
New specimens of Phasmatocycas and Taeniopteris from the original Lower Permian locality in Kansas demonstrate organic attachment of the two and corroborate Mamay's hypothesis that Phasmatocycas and Taeniopteris were parts of the same plant. These forms also suggest that cycads evolved from taxa with entire leaves; i.e. Taeniopteris, rather than from pteridosperms with compound leaves. ?? 1986.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Taeniopterid lamina on Phasmatocycas megasporophylls (Cycadales) from the Lower Permian of Kansas, U.S.A. |
| Series title | Review of Palaeobotany and Palynology |
| DOI | 10.1016/0034-6667(86)90069-2 |
| Volume | 49 |
| Issue | 1-2 |
| Year Published | 1986 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Review of Palaeobotany and Palynology |
| First page | 99 |
| Last page | 116 |
| Google Analytic Metrics | Metrics page |