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Graptolite species succession across the base of the Undulograptus austrodentatus Zone at Huangnitang, South-central China, and its prospects for use as a global stage stratotype 会议论文
Ordovician Odyssey: short papers for the Seventh International Symposium on the Ordovician System, Nevada, 1995
作者:  Chen Xu (陈旭);  Mitchell, M.E.;  Zhang Yuan-dong (张元动);  Bergstrom, S.M.;  Winston, D.;  Wang Zhi-hao (王志浩);  Maletz, J.
Adobe PDF(2798Kb)  |  收藏  |  浏览/下载:256/6  |  提交时间:2017/08/18
International correlation of the Undulograptus austrodentatus Zone 期刊论文
Palaeoworld, 1995, 期号: 5, 页码: 75-85
作者:  Mitchell C E;  Chen Xu (陈旭)
Adobe PDF(3578Kb)  |  收藏  |  浏览/下载:162/4  |  提交时间:2013/04/12
Castlemianian to Darriwilian (Late Yushanian to Early Zhejiangian) graptolite fauna 期刊论文
Palaeoworld, 1995, 期号: 5, 页码: 36-66
作者:  Chen Xu (陈旭);  Zhang Yuandong (张元动);  Mitchell C E
Adobe PDF(14119Kb)  |  收藏  |  浏览/下载:146/4  |  提交时间:2013/04/12
A proposal-- the base of the austrodentatus Zone as a level for golbal subdivision of the Ordovician System 期刊论文
Palaeoworld, 1995, 期号: 5, 页码: 104
作者:  Chen Xu (陈旭);  Mitchell C E
Adobe PDF(320Kb)  |  收藏  |  浏览/下载:176/6  |  提交时间:2013/04/12