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Upper Llandovery (Telychian) graptolites of the Oktavites spiralis Biozone from the Long Dai Formation, at Lam Thuy village, Quang Binh Province, central Vietnam

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the Leverhulme Trust (International Network Grant IN-2014-025 “Assembling the Early Palaeozoic terranes of Japan”)
Abstract
A numerically small graptolite assemblage from the Long Dai Formation at Lam Thuy village, southwestern Le Thuy district, Quang Binh Province, central Vietnam, includes Oktavites spiralis (Geinitz). The relative abundance of this species in the assemblage, coupled to its occurrence with Oktavites bodentoerlensis Loydell, identifies the lower Silurian (Llandovery Series, Telychian Stage) spiralis graptolite Biozone. Identification of the new locality at Lam Thuy enhances the dataset of Silurian graptolite-bearing localities in central Vietnam and advertises the wide utility of graptolite assemblages for biostratigraphical correlation of lower Palaeozoic strata in northern and central Vietnam.
Keywords
CORE, INTEGRATED BIOSTRATIGRAPHY, STRATIGRAPHY, EVOLUTION, WENLOCK, LATVIA

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Citation

Please use this url to cite or link to this publication:

Chicago
Williams, Mark, Toshifumi Komatsu, Gengo Tanaka, Nguyen Huu Hong, Jan Zalaziewicz, Thijs Vandenbroucke, Simon Wallis, and Vincent Perrier. 2016. “Upper Llandovery (Telychian) Graptolites of the Oktavites Spiralis Biozone from the Long Dai Formation, at Lam Thuy Village, Quang Binh Province, Central Vietnam.” Canadian Journal of Earth Sciences 53 (7): 719–724.
APA
Williams, Mark, Komatsu, T., Tanaka, G., Hong, N. H., Zalaziewicz, J., Vandenbroucke, T., Wallis, S., et al. (2016). Upper Llandovery (Telychian) graptolites of the Oktavites spiralis Biozone from the Long Dai Formation, at Lam Thuy village, Quang Binh Province, central Vietnam. CANADIAN JOURNAL OF EARTH SCIENCES, 53(7), 719–724. Presented at the 5th Annual meeting of the International Geoscience Programme (IGCP) Project 591 ; held jointly with the 5th International symposium on the Silurian System.
Vancouver
1.
Williams M, Komatsu T, Tanaka G, Hong NH, Zalaziewicz J, Vandenbroucke T, et al. Upper Llandovery (Telychian) graptolites of the Oktavites spiralis Biozone from the Long Dai Formation, at Lam Thuy village, Quang Binh Province, central Vietnam. CANADIAN JOURNAL OF EARTH SCIENCES. 2016;53(7):719–24.
MLA
Williams, Mark et al. “Upper Llandovery (Telychian) Graptolites of the Oktavites Spiralis Biozone from the Long Dai Formation, at Lam Thuy Village, Quang Binh Province, Central Vietnam.” CANADIAN JOURNAL OF EARTH SCIENCES 53.7 (2016): 719–724. Print.
@article{8057584,
  abstract     = {A numerically small graptolite assemblage from the Long Dai Formation at Lam Thuy village, southwestern Le Thuy district, Quang Binh Province, central Vietnam, includes Oktavites spiralis (Geinitz). The relative abundance of this species in the assemblage, coupled to its occurrence with Oktavites bodentoerlensis Loydell, identifies the lower Silurian (Llandovery Series, Telychian Stage) spiralis graptolite Biozone. Identification of the new locality at Lam Thuy enhances the dataset of Silurian graptolite-bearing localities in central Vietnam and advertises the wide utility of graptolite assemblages for biostratigraphical correlation of lower Palaeozoic strata in northern and central Vietnam.},
  author       = {Williams, Mark and Komatsu, Toshifumi and Tanaka, Gengo and Hong, Nguyen Huu and Zalaziewicz, Jan and Vandenbroucke, Thijs and Wallis, Simon and Perrier, Vincent},
  issn         = {0008-4077},
  journal      = {CANADIAN JOURNAL OF EARTH SCIENCES},
  keywords     = {CORE,INTEGRATED BIOSTRATIGRAPHY,STRATIGRAPHY,EVOLUTION,WENLOCK,LATVIA},
  language     = {eng},
  location     = {Québec, QB, Canada},
  number       = {7},
  pages        = {719--724},
  title        = {Upper Llandovery (Telychian) graptolites of the Oktavites spiralis Biozone from the Long Dai Formation, at Lam Thuy village, Quang Binh Province, central Vietnam},
  url          = {http://dx.doi.org/10.1139/cjes-2015-0153},
  volume       = {53},
  year         = {2016},
}

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