A new species of the extinct genus Austrohamia(Cupressaceae s.l.) in the Daohugou Jurassic flora of China and its phytogeographical implications Petroleum Sporo-pollen Assemblages and Petroleum Source Rocks of North Tarim Upheaval in Xinjiang Study on the Fossil Woods Found in Zigong, Sichuan, China Palynological Evidence for Jurassic Petroleum Source of Qaidam Basin Spores and Pollen from Crude Oil of Kashi Depression, Xinjiang Petroleum Sporo-Pollen Assemblage and Oil Source Rock of Yecheng Seg in Xinjiang Middle Jurassic Flora from Shouthern Margin of Eerduosi Basin Studies on Coniopteris tatungensis of Jurassic from Western Hills of Beijing Schmeissneria: An angiosperm from the Early Jurassic Spores and Pollens from Crude Oil of Turpan Basin, Xinjiang Spores and Pollen from Crude Oil of Dushanzi Oilfield in Xinjiang Some Fossil Plants from Early Jurassic in Western Hubei With the Relative Problem Between Fossil Plants and Coal-Bearing Middle Jurassic Sporopollen Assemblage from the Yan‘an Formation in Binxian County, Shaanxi Province and Its Significance