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The Jurassic fossil wood diversity from western Liaoning, NE China
Journal of Palaeogeography ( IF 2.9 ) Pub Date : 2019-01-08 , DOI: 10.1186/s42501-018-0018-y Zi-Kun Jiang , Yong-Dong Wang , Ning Tian , Ao-Wei Xie , Wu Zhang , Li-Qin Li , Min Huang
Journal of Palaeogeography ( IF 2.9 ) Pub Date : 2019-01-08 , DOI: 10.1186/s42501-018-0018-y Zi-Kun Jiang , Yong-Dong Wang , Ning Tian , Ao-Wei Xie , Wu Zhang , Li-Qin Li , Min Huang
Western Liaoning is a unique region in China that bears diverse types of Jurassic plants, including leaves, fern rhizomes, and wood, providing significant proxy for vegetation and palaeoenvironment reconstruction of the well-known Yanliao Flora in East Asia. In particular, the silicified wood is very abundant in the fossil Lagerstätte of the Jurassic Tiaojishan Formation in Beipiao, western Liaoning. Previous and recent systematic investigations documented a high diversity of the Jurassic wood assemblages. These assemblages are dominated by conifers, followed by cycads and ginkgoaleans. In total, about 30 species belonging to 21 genera of fossil wood have been recorded so far, which are represented by Cycadopsida, Ginkgopsida, Coniferopsida, and Gymnospermae incertae sedis. The evolutionary implications of several distinctive fossil wood taxa as well as palaeoclimate implications are summarized based on their anatomical structures and growth ring patterns. This work approaches the vegetation development and evolutionary significances of the wood taxa and their relatives, and provides clues for the further understanding of the diversity of the Jurassic Yanliao Flora in East Asia.
更新日期：2019-01-08
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