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TAXON

Acta Botanica Yunnanica

Acta Phytotaxonomica Sinica

Volume 45 Issue 4, Pages 576C582.

Published Online: 18 July 2007

DOI: 10.1360/aps06030

Palaeoskapha sichuanensis gen. et sp. nov. (Menispermaceae) from the Eocene Relu Formation in western Sichuan, West China

1Fr└d└ric M. B. JACQUES*, 2 3GUO Shuang-Xing


1(Mus└um National d'Histoire Naturelle, D└partement Histoire de la Terre, CP 38, UMR 5143 - USM 0203, 8 rue Buffon, 75231 Paris Cedex 05, France)
2(Nanjing Institute of Geology and Palaeontology, the Chinese Academy of Sciences, Nanjing 210008, China)
3(Kunming Institute of Botany, the Chinese Academy of Sciences, Kunming 650204, China)
650204, China)menisperm@gmail.com

Keywords: Eocene, Menispermaceae, Palaeoskapha sichuanensis sp. nov., Relu Formation, Sichuan

Abstract:

Palaeoskapha sichuanensis gen. et sp. nov. of Menispermaceae is described here
for the first time based on a well preserved fossil fruit. The specimen was found in the Relu
Formation of western Sichuan, West China. The specimen, straight, boat-shaped endocarp
with large ventral condyle, clearly belongs to the tribe Tinosporeae. The wide aperture of the
double condyle, combined with a whole shape not deeply invaginated, indicates a genus
different from what was already known to science for this tribe. This fossil widens the
distribution of the tribe during Eocene from North America and Europe to Asia, where it was
formerly unknown.

 

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