Discovery and Significances of the Mixed Cathaysian—Angaran Flora in Yumen of Gansu Province 

• 责任者：Sun Keqin (School of Earth Sciences and Resources ; China University of Geosciences ; Beijing 100083 ; China) ; Liu Jun
• 刊名：Geological Review
• 出版年：2010
• 卷期：56(3)
• 关键词：安加拉植物群 ; Angara flora ; 华夏植物群 ; Cathaysian flora ; 甘肃 ; Gansu Province
• 页码：p.305-311
• 图表：1 illus.,2 plates, 31 refs.
• 分类号：1102
• issnNo：ISSN0371-5736
• isbnNo：CN11-1952/P

yle="MARGIN: 0cm 0cm 0pt" class=MsoNormal>yle="FONT-SIZE: 14pt" lang=EN-US>The fossil plants in this paper were collected from the Sunan Formation of Late Permian in Yumen of Gansu Province, China. The flora is composed of 26 species in 16 genera and it contains many Angaran elements and some Cathaysian elements, which represents a mixed Cathaysian—Angaran flora. On the basis of the floral composition, the geological age of the flora belonged to the early Late Permian, corresponding approximately to Wuchiapingian. The flora provides new evidences for the relationship between the Cathaysian flora and the Angaran flora and it has important palaeophytogeographic significances.