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Latest Guadalupian brachiopods from the Guadalupian/Lopingian boundary GSSP section at Penglaitan in Laibin, Guangxi, South China and implications for the timing of the pre-Lopingian crisis

Shen, Shu-Zhong and Shi, G R 2009, Latest Guadalupian brachiopods from the Guadalupian/Lopingian boundary GSSP section at Penglaitan in Laibin, Guangxi, South China and implications for the timing of the pre-Lopingian crisis, Palaeoworld, vol. 18, no. 2-3, pp. 152-161, doi: 10.1016/j.palwor.2009.04.010.

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Title Latest Guadalupian brachiopods from the Guadalupian/Lopingian boundary GSSP section at Penglaitan in Laibin, Guangxi, South China and implications for the timing of the pre-Lopingian crisis
Author(s) Shen, Shu-Zhong
Shi, G RORCID iD for Shi, G R orcid.org/0000-0002-5126-4036
Journal name Palaeoworld
Volume number 18
Issue number 2-3
Start page 152
End page 161
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, Netherlands
Publication date 2009-09
ISSN 1871-174X
1875-5887
Keyword(s) brachiopod
Penglaitan GSSP section
pre-Lopingian crisis
Guadalupian/Lopingian boundary
Summary A brachiopod fauna comprising nine species in eight genera from three closely spaced stratigraphic horizons of the same stratigraphic section is described for the first time from the Laibin Limestone in the uppermost part of the Maokou Formation in the Guadalupian/Lopingian (G/L) GSSP section at Penglaitan, Guangxi Autonomous Region, South China. The brachiopod assemblages are bracketed between two conodont zones: Jinogondolella xuanhanensis Zone below and Jinogondolella granti Zone above and, therefore, they can be safely assigned to the latest Capitanian in age. However, all but one of the nine brachiopod species from the Laibin Limestone carry strong early Lopingian (Wuchiapingian) aspect. Thus, the discovery of this brachiopod fauna not only suggests that some Lopingian brachiopod species had already appeared in the late Guadalupian (Capitanian); more importantly, it has also highlighted the fact that both the previously noted pre-Lopingian life crisis (or end-Guadalupian or Middle Permian mass extinction) and Lopingian recovery/radiation actually occurred in late Capitanian times, sometime before the G/L chronostratigraphic boundary. So far, the Penglaitan GSSP section provides the highest-resolution disappearance patterns of different fossil groups around the G/L boundary.
Language eng
DOI 10.1016/j.palwor.2009.04.010
Field of Research 040308
Socio Economic Objective 970104
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2009
Copyright notice ©2009, Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier Ltd. All rights reserved.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025924

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