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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
Authors:  Nolvak, Jaak;  Liang, Yan（梁艳）;  Hints, Olle
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Early and Middle Ordovician  Chitinozoa  Baltoscandia  Latvia  biostratigraphy  
Melanosclerites from the Late Ordovician to earliest Silurian of Estonia and their palaeogeographical implications 期刊论文
PALYNOLOGY, 2021, 页码: 16
Authors:  Du, Minghao;  Nolvak, Jaak;  Tan, Jingqiang;  Gao, Shijia;  Wang, Wenhui（王文卉）
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biological affinity  Estonia  Lower Palaeozoic  melanosclerites  palaeogeography  taxonomic revision  
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
Authors:  Wang, Wenhui;  Liang, Yan;  Lyu, Qiao;  Hints, Olle;  Chen, Shefa;  Nolvak, Jaak
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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
Authors:  Mannik, Peep;  Lehnert, Oliver;  Nolvak, Jaak;  Joachimski, Michael M.
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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
Authors:  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
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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
Authors:  Liang, Yan;  Wang, Guang-Xu;  Servais, Thomas;  Wu, Rong-Chang;  Nolvak, Jaak;  Hints, Olle;  Wei, Xin;  Gong, Fang-Yi;  Yan, Guan-Zhou
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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
Authors:  Liang, Yan （梁艳）;  Bernardo, Joseph;  Goldman, Daniel;  Nolvak, Jaak;  Tang, Peng （唐鹏）;  Wang, Wenhui;  Hints, Olle
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morphology  palaeozoic  organic-walled microfossils  chitinozoans  biologic affinity  
Early diversification of Ordovician chitinozoans on Baltica: New data from the Jagala waterfall section, northern Estonia 期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2019, 卷号: 525, 页码: 14-24
Authors:  Nolvak, Jaak;  Liang, Yan （梁艳）;  Hints, Olle
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Biodiversity  Gobe  Tremadocian  Dapingian  Darriwilian  Baltoscandia  
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
Authors:  Liang, Yan （梁艳）;  Hints, Olle;  Servais, Thomas;  Luan, Xiao-Cong;  Nolvak, Jaak;  Tang, Peng （唐鹏）;  Wu, Rong-Chang （吴荣昌）
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Biostratigraphy  Chitinozoa  Palaeoecology  Sedimentary Environment  Yangtze Platform