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Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia 期刊论文
ESTONIAN JOURNAL OF EARTH SCIENCES, 2023, 卷号: 72, 期号: 1, 页码: 82-85
作者:  Nolvak, Jaak;  Liang, Yan;  Hints, Olle
收藏  |  浏览/下载:46/0  |  提交时间:2023/10/09
chitinozoans biostratigraphy  Ordovician-Silurian boundary beds  East Baltic  
On future directions of Ordovician chitinozoan research 期刊论文
ESTONIAN JOURNAL OF EARTH SCIENCES, 2023, 卷号: 72, 期号: 1, 页码: 58-61
作者:  Liang, Yan;  Hints, Olle;  Nolvak, Jaak;  Tang, Peng
收藏  |  浏览/下载:68/0  |  提交时间:2023/10/09
organic-walled microfossils  palaeontological database taxonomy  biostratigraphy  
Early and early Middle Ordovician chitinozoans from the Baldone drill core, central Latvia 期刊论文
ESTONIAN JOURNAL OF EARTH SCIENCES, 2022, 卷号: 71, 期号: 1, 页码: 25-43
作者:  Nolvak, Jaak;  Liang, Yan(梁艳);  Hints, Olle
Adobe PDF(6387Kb)  |  收藏  |  浏览/下载:156/1  |  提交时间:2022/04/24
Early and Middle Ordovician  Chitinozoa  Baltoscandia  Latvia  biostratigraphy  
Chitinozoans with "skirt": Ultrastructure and palaeoecological implications of carina in Cyathochitina Eisenack, 1955 期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2021, 卷号: 570, 页码: 16
作者:  Wang, Wenhui;  Liang, Yan;  Lyu, Qiao;  Hints, Olle;  Chen, Shefa;  Nolvak, Jaak
Adobe PDF(3060Kb)  |  收藏  |  浏览/下载:224/1  |  提交时间:2021/07/20
Ordovician  Microfossil  Functional morphology  Palaeogeography  CFD analysis  CHITDB  
Climate changes in the pre-Hirnantian Late Ordovician based on delta O-18(phos) studies from Estonia 期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2021, 卷号: 569, 页码: 16
作者:  Mannik, Peep;  Lehnert, Oliver;  Nolvak, Jaak;  Joachimski, Michael M.
Adobe PDF(14026Kb)  |  收藏  |  浏览/下载:176/0  |  提交时间:2021/10/20
Palaeoclimate  Glaciation  Oxygen and carbon isotopes  Sandbian-Katian  Baltoscandia  
Fossilized reproductive modes reveal a protistan affinity of Chitinozoa 期刊论文
GEOLOGY, 2020, 卷号: 48, 期号: 12, 页码: 1200-1204
作者:  Liang, Yan(梁艳);  Hints, Olle;  Tang, Peng(唐鹏);  Cai, Chenyang(蔡晨阳);  Goldman, Daniel;  Nolvak, Jaak;  Tihelka, Erik;  Pang, Ke(庞科);  Bernardo, Joseph;  Wang, Wenhui
Adobe PDF(4033Kb)  |  收藏  |  浏览/下载:300/5  |  提交时间:2021/03/09
Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans 期刊论文
PALAEOWORLD, 2020, 卷号: 29, 期号: 1, 页码: 66-74
作者:  Liang, Yan;  Wang, Guang-Xu;  Servais, Thomas;  Wu, Rong-Chang;  Nolvak, Jaak;  Hints, Olle;  Wei, Xin;  Gong, Fang-Yi;  Yan, Guan-Zhou
Adobe PDF(4996Kb)  |  收藏  |  浏览/下载:280/2  |  提交时间:2020/10/16
Chitinozoa  Floian  Ordovician  Hungshihyen Formation  eastern Yunnan  South China  
Morphological variation suggests that chitinozoans may be fossils of individual microorganisms rather than metazoan eggs 期刊论文
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 2019, 卷号: 286, 期号: 1908, 页码: 8
作者:  Liang, Yan (梁艳);  Bernardo, Joseph;  Goldman, Daniel;  Nolvak, Jaak;  Tang, Peng (唐鹏);  Wang, Wenhui;  Hints, Olle
Adobe PDF(2627Kb)  |  收藏  |  浏览/下载:300/2  |  提交时间:2019/12/18
morphology  palaeozoic  organic-walled microfossils  chitinozoans  biologic affinity  
Palaeoenvironmental and biostratigraphical implications of selected Floian and Dapingian (Ordovician) chitinozoans of the South China Palaeoplate 期刊论文
LETHAIA, 2019, 卷号: 52, 期号: 2, 页码: 220-231
作者:  Liang, Yan (梁艳);  Hints, Olle;  Servais, Thomas;  Luan, Xiao-Cong;  Nolvak, Jaak;  Tang, Peng (唐鹏);  Wu, Rong-Chang (吴荣昌)
Adobe PDF(2627Kb)  |  收藏  |  浏览/下载:395/2  |  提交时间:2019/05/22
Biostratigraphy  Chitinozoa  Palaeoecology  Sedimentary Environment  Yangtze Platform