Graptolites from Silurian (Llandovery Series) sedimentary deposits attributed to a forearc setting, Co To Formation, Co To archipelago, northeast Vietnam
- Author
- Muhammad Aqqid Saparin, Mark Williams, Jan Zalasiewicz, Toshifumi Komatsu, Adrian Rushton, Hung Dinh Doan, Ha Thai Trinh, Hung Nguyen, Minh Trung Nguyen and Thijs Vandenbroucke (UGent)
- Organization
- Abstract
- Newly collected graptolites from the Co To Formation, Co To archipelago, NE Vietnam, comprise assemblages indicative of two biostratigraphical levels within the lower Silurian, Llandovery Series, Telychian Stage: the co-occurrence of Spirograptus turriculatus and Torquigraptus proteus? suggests an interval most likely within the upper part of the Spirograptus turriculatus Biozone or 'Monograptus' crispus Biozone, whilst Oktavites spirally and Monoclimacis cf. suhgeinitzi identify the Oktavites spiralis Biozone. The graptolites provide important biostratigraphical evidence for the age of the upper part of the lower Co To Formation, biostratigraphical ties between the NE Vietnamese succession of the Bac Bo Region and graptolite assemblages of the Long Dai Formation in the Viet-Lao Region of central Vietnam, and include the new species Monograptus hanutlus sp. nov. co-occurring with S. turriculatus, which is perhaps an ancestral form to the later Telychian species Monograptus drepanoformis. We also report the lirst chitinozoans, including Belonechitina, from the Co To Formation.
- Keywords
- INTEGRATED BIOSTRATIGRAPHY, RETIOLITID GRAPTOLITES, EVOLUTION, REVISION, WENLOCK, biostratigraphy, chitinozoans, graptolites, Llandovery Series, Silurian, Vietnam
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8643802
- MLA
- Saparin, Muhammad Aqqid, et al. “Graptolites from Silurian (Llandovery Series) Sedimentary Deposits Attributed to a Forearc Setting, Co To Formation, Co To Archipelago, Northeast Vietnam.” PALEONTOLOGICAL RESEARCH, vol. 24, no. 1, 2020, pp. 26–40, doi:10.2517/2019PR003.
- APA
- Saparin, M. A., Williams, M., Zalasiewicz, J., Komatsu, T., Rushton, A., Doan, H. D., … Vandenbroucke, T. (2020). Graptolites from Silurian (Llandovery Series) sedimentary deposits attributed to a forearc setting, Co To Formation, Co To archipelago, northeast Vietnam. PALEONTOLOGICAL RESEARCH, 24(1), 26–40. https://doi.org/10.2517/2019PR003
- Chicago author-date
- Saparin, Muhammad Aqqid, Mark Williams, Jan Zalasiewicz, Toshifumi Komatsu, Adrian Rushton, Hung Dinh Doan, Ha Thai Trinh, Hung Nguyen, Minh Trung Nguyen, and Thijs Vandenbroucke. 2020. “Graptolites from Silurian (Llandovery Series) Sedimentary Deposits Attributed to a Forearc Setting, Co To Formation, Co To Archipelago, Northeast Vietnam.” PALEONTOLOGICAL RESEARCH 24 (1): 26–40. https://doi.org/10.2517/2019PR003.
- Chicago author-date (all authors)
- Saparin, Muhammad Aqqid, Mark Williams, Jan Zalasiewicz, Toshifumi Komatsu, Adrian Rushton, Hung Dinh Doan, Ha Thai Trinh, Hung Nguyen, Minh Trung Nguyen, and Thijs Vandenbroucke. 2020. “Graptolites from Silurian (Llandovery Series) Sedimentary Deposits Attributed to a Forearc Setting, Co To Formation, Co To Archipelago, Northeast Vietnam.” PALEONTOLOGICAL RESEARCH 24 (1): 26–40. doi:10.2517/2019PR003.
- Vancouver
- 1.Saparin MA, Williams M, Zalasiewicz J, Komatsu T, Rushton A, Doan HD, et al. Graptolites from Silurian (Llandovery Series) sedimentary deposits attributed to a forearc setting, Co To Formation, Co To archipelago, northeast Vietnam. PALEONTOLOGICAL RESEARCH. 2020;24(1):26–40.
- IEEE
- [1]M. A. Saparin et al., “Graptolites from Silurian (Llandovery Series) sedimentary deposits attributed to a forearc setting, Co To Formation, Co To archipelago, northeast Vietnam,” PALEONTOLOGICAL RESEARCH, vol. 24, no. 1, pp. 26–40, 2020.
@article{8643802,
abstract = {{Newly collected graptolites from the Co To Formation, Co To archipelago, NE Vietnam, comprise assemblages indicative of two biostratigraphical levels within the lower Silurian, Llandovery Series, Telychian Stage: the co-occurrence of Spirograptus turriculatus and Torquigraptus proteus? suggests an interval most likely within the upper part of the Spirograptus turriculatus Biozone or 'Monograptus' crispus Biozone, whilst Oktavites spirally and Monoclimacis cf. suhgeinitzi identify the Oktavites spiralis Biozone. The graptolites provide important biostratigraphical evidence for the age of the upper part of the lower Co To Formation, biostratigraphical ties between the NE Vietnamese succession of the Bac Bo Region and graptolite assemblages of the Long Dai Formation in the Viet-Lao Region of central Vietnam, and include the new species Monograptus hanutlus sp. nov. co-occurring with S. turriculatus, which is perhaps an ancestral form to the later Telychian species Monograptus drepanoformis. We also report the lirst chitinozoans, including Belonechitina, from the Co To Formation.}},
author = {{Saparin, Muhammad Aqqid and Williams, Mark and Zalasiewicz, Jan and Komatsu, Toshifumi and Rushton, Adrian and Doan, Hung Dinh and Trinh, Ha Thai and Nguyen, Hung and Nguyen, Minh Trung and Vandenbroucke, Thijs}},
issn = {{1342-8144}},
journal = {{PALEONTOLOGICAL RESEARCH}},
keywords = {{INTEGRATED BIOSTRATIGRAPHY,RETIOLITID GRAPTOLITES,EVOLUTION,REVISION,WENLOCK,biostratigraphy,chitinozoans,graptolites,Llandovery Series,Silurian,Vietnam}},
language = {{eng}},
number = {{1}},
pages = {{26--40}},
title = {{Graptolites from Silurian (Llandovery Series) sedimentary deposits attributed to a forearc setting, Co To Formation, Co To archipelago, northeast Vietnam}},
url = {{http://doi.org/10.2517/2019PR003}},
volume = {{24}},
year = {{2020}},
}
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