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First cycad seedling foliage from the fossil record and inferences for the Cenozoic evolution of cycads
The morphology of the early ontogenetic stages of cycad foliage may help resolve the relationships between extinct to extant cycad lineages. However, prior to this study, fossil evidence of cycad seedlings was not known. We describe a compression fossil of cycad eophylls with co-occurring fully deve...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
The Royal Society
2019
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6684986/ https://www.ncbi.nlm.nih.gov/pubmed/31288679 http://dx.doi.org/10.1098/rsbl.2019.0114 |