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A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China

By Catarina Rydin and Else Marie Friis
Topics: Research article
Publisher: BioMed Central
OAI identifier: oai:pubmedcentral.nih.gov:2900273
Provided by: PubMed Central

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