Nomenclatural act

Plant Fossil Names Registry Number: PFN002775
Act LSID: urn:lsid:plantfossilnames.org:act:2775
Siphonospermum simplex sp. nov.
Rydin, C. & Friis, E. M. (2010): A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China. – BMC Evolutionary Biology 10: 183 (6 pp.).