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| Early Darriwilian graptolite diversity changes and depth zonation from Yangtze platform to Zhujiang Basin, South China 文摘 1998 作者: Chen Xu (陈旭); Zhang Yuandong (张元动); Mitchell C E Adobe PDF(599Kb)  |  收藏  |  浏览/下载:210/4  |  提交时间:2013/11/27 |
| 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:182/4  |  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:164/4  |  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:196/6  |  提交时间:2013/04/12 |