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Convergent evolution in planktic graptolites: independent origin of the dicranograptid morphology in the Hirnantian (latest Ordovician) 期刊论文
ALCHERINGA, 2021, 卷号: 45, 期号: 4, 页码: 395-400
作者:  Muir, Lucy A.;  Zhang, Yuandong(张元动);  Botting, Joseph P.;  Ma, Xuan(马譞)
Adobe PDF(1994Kb)  |  收藏  |  浏览/下载:234/1  |  提交时间:2022/02/16
Graptolithina  convergence  evolution  
Avitograptus species (Graptolithina) from the Hirnantian (uppermost Ordovician) Anji Biota of South China and the evolution of Akidograptus and Parakidograptus 期刊论文
JOURNAL OF PALEONTOLOGY, 2020, 卷号: 94, 期号: 5, 页码: 955-965
作者:  Muir, Lucy A.;  Zhang, Yuandong (张元动);  Botting, Joseph P.;  Ma, Xuan
Adobe PDF(894Kb)  |  收藏  |  浏览/下载:300/3  |  提交时间:2020/10/28
Silurian conodont biostratigraphy of the Laojianshan section, Baoshan, Yunnan Province, SW China 期刊论文
GEOLOGICAL JOURNAL, 2020, 页码: 15
作者:  Chen, Zhongyang;  Mannik, Peep;  Wang, Chengyuan;  Fang, Xiang;  Chen, Tingen;  Ma, Xuan;  Zhang, Yuandong
Adobe PDF(7878Kb)  |  收藏  |  浏览/下载:322/1  |  提交时间:2020/10/16
conodont biostratigraphy  Ireviken event  Sibumasu  Silurian  western Yunnan  
A new conodont biozone classification of the Ordovician System in South China 期刊论文
PALAEOWORLD, 2019, 卷号: 28, 期号: 1-2, 页码: 173-186
作者:  Wang, Zhi-Hao (王志浩);  Zhen, Yong Yi;  Bergstrom, Stig M.;  Wu, Rong-Chang (吴荣昌));  Zhang, Yuan-Dong (张元动);  Ma, Xuan (马翾)
Adobe PDF(5902Kb)  |  收藏  |  浏览/下载:385/4  |  提交时间:2019/05/22
Ordovician  Conodonts  Biostratigraphy  South China  
Ordovician integrative stratigraphy and timescale of China 期刊论文
SCIENCE CHINA-EARTH SCIENCES, 2019, 卷号: 62, 期号: 1, 页码: 61-88
作者:  Zhang, Yuandong (张元动);  Zhan, Renbin (詹仁斌);  Zhen, Yongyi;  Wang, Zhihao (王志浩);  Yuan, Wenwei (袁文伟);  Fang, Xiang (方翔);  Ma, Xuan (马翾);  Zhang, Junpeng (张俊鹏)
Adobe PDF(676Kb)  |  收藏  |  浏览/下载:412/4  |  提交时间:2019/05/22
Ordovician System  Geological Age  Chronostratigraphy  Chemostratigraphy  Biostratigraphy  
中国奥陶纪综合地层和时间框架 期刊论文
中国科学地球科学, 2019, 卷号: 000, 期号: 001, 页码: 66
作者:  张元动;  詹仁斌;  甄勇毅;  王志浩;  袁文伟;  方翔;  马譞;  张俊鹏
Adobe PDF(16637Kb)  |  收藏  |  浏览/下载:420/13  |  提交时间:2019/12/18
Biostratigraphical constraints on the disconformity within the Upper Ordovician in the Baoshan and Mangshi regions, western Yunnan Province, China 期刊论文
LETHAIA, 2018, 卷号: 51, 期号: 2, 页码: 312-323
作者:  Fang, Xiang (方翔);  Ma, Xuan (马譞);  Li, Wenjie;  Zhang, Yuandong (张元动);  Zhou, Zhiqiang (周志强);  Chen, Tingen (陈廷恩);  Lu, Yong;  Yu, Shenyang (于深洋);  Fan, Junxuan (樊隽轩)
Adobe PDF(5260Kb)  |  收藏  |  浏览/下载:539/6  |  提交时间:2019/05/22
Biostratigraphy  Disconformity  Glaciation  Hirnantia Fauna  Sibumasu  Upper Ordovician  Western Yunnan  
上奥陶统赫南特阶下扬子地区标准剖面(浙江省安吉县杭垓剖面)的地质特征及其意义 期刊论文
地层学杂志, 2016, 卷号: 40, 期号: 4, 页码: 370
作者:  汪隆武;  张元动;  朱朝晖;  张建芳;  刘风龙;  陈津华;  徐双辉;  蔡晓亮;  马譞;  胡开明
Adobe PDF(1154Kb)  |  收藏  |  浏览/下载:421/2  |  提交时间:2019/12/18
Carbon isotope records of the Middle-Upper Ordovician transition in Yichang area, South China 期刊论文
PALAEOWORLD, 2015, 卷号: 24, 期号: 1-2, 页码: 136-148
作者:  Ma, Xuan (马翾);  Wang, Zhi-Hao (王志浩);  Zhang, Yuan-Dong (张元动);  Song, Yan-Yan (宋妍妍);  Fang, Xiang (方翔)
Adobe PDF(7241Kb)  |  收藏  |  浏览/下载:249/7  |  提交时间:2015/07/14
Yichang Area  South China  Middle-upper Ordovician Transition  Delta C-13  Condense Sequence  
ORDOVICIAN CONODONTS FROM THE TOP PART OF THE KUNIUTAN FORMATION AT THE ZHENJIN AND JIELING SECTIONS OF YUAN'AN, YICHANG, HUBEI PROVINCE AND THEIR STRATIGRAPHICAL SIGNIFICANCE 期刊论文
Acta Micropalaeontologica Sinica, 2015, 卷号: 32, 期号: 3, 页码: 233-242
作者:  Wang Zhihao;  Bergstrom Stig M;  Ma Xuan;  Song Yanyan;  Zhang Yuandong
Adobe PDF(742Kb)  |  收藏  |  浏览/下载:219/0  |  提交时间:2021/10/20
牙形刺  奥陶系  牯牛潭组  地层意义  真金和界岭剖面  远安  宜昌  湖北