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A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China
BACKGROUND: Knowledge on fossil and evolutionary history of the Gnetales has expanded rapidly; Ephedra and ephedroids as well as the Gnetum-Welwitschia clade are now well documented in the Early Cretaceous. However, hypotheses on evolutionary relationships among living and fossil species are hampere...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2010
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| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2900273/ https://ncbi.nlm.nih.gov/pubmed/20565755 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2148-10-183 |
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