Chengia laxispicata gen. et sp. nov., a new ephedroid plant from the Early Cretaceous Yixian Formation of western Liaoning, Northeast China: evolutionary, taxonomic, and biogeographic implications

The extant Gnetales include three monotypic families, namely, Ephedraceae (Ephedra), Gnetaceae (Gnetum), and Welwitschiaceae (Welwitschia), all of which possess compound female cones that comprise a main axis and 1 to multiple pairs/whorls of bracts subtending a female reproductive unit or having lo...

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Veröffentlicht in:	BMC evolutionary biology 2013-03, Vol.13 (1), p.72-72
Hauptverfasser:	Yang, Yong, Lin, Longbiao, Wang, Qi
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological Evolution China Fossils Gnetophyta - anatomy & histology Gnetophyta - classification Gnetophyta - genetics Gnetophyta - physiology Phylogeography
Online-Zugang:	Volltext
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