&amp;lt;i&amp;gt;Wangshangkia&amp;lt;/i&amp;gt;, a new Devonian ostracod genus from Dushan of Guizhou, South China

Song, Junjun; Gong, Yiming

doi:10.5194/jm-37-341-2018

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…prima Adamczak, 1976, Wangshangkia cf. bailouiensis Song & Gong, 2018) and podocopids (i.e., Famenella cf. subtriangulata Wang & Ma, 2007, Rectobairdia galinae (Egorov, 1953), R. proximischimensis (Casier & Lethiers, 1998), Bairdiacypris sp., B .…”

Section: Discussionmentioning

confidence: 99%

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Late Devonian benthic ostracods from South China and their response to the Frasnian–Famennian event

et al. 2021

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Handling Editor: C. Cao Late Devonian ostracods are described for the first time from the Frasnian-Famennian (F-F) transition of the Zengpiyan section, Guangxi, South China. Forty-five ostracod species belonging to 25 genera are identified and figured and one is new: Jenningsina guilinensis sp. nov. The Frasnian-Famennian boundary (F-FB) in the Zengpiyan section is coincident with the lithological boundary between the Guilin Formation and the Dongcun Formation, and could be marked by the disappearance of Rectobairdia proximischimensis (Lethiers & Casiers, 1998) and Jenningsina guilinensis sp. nov. The ostracods belong to the Eifelian Mega-Assemblage, which implies a shallow-water palaeoenvironment. The ostracod fauna and sedimentary features of the Guilin and Dongcun formations at the Zengpiyan section suggest a transition from subtidal to low-energy tidal flat on the Guilin Platform during the Frasnian-Famennian event. The extinction rate of benthic ostracod species is about 61% during the F-F event in the Zengpiyan section. Two stages of faunal changes have been recognized in the event and the second stage is more severe than the first one.

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Section: Discussionmentioning

confidence: 99%

“…(f) Wangshangkia cf. bailouiensis Song & Gong, 2018. Right lateral view of complete carapace; collection number 173823.…”

Section: Methodsmentioning

confidence: 99%

Late Devonian benthic ostracods from South China and their response to the Frasnian–Famennian event

et al. 2021

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Devonian-Carboniferous boundary in China

Qie

Sun

Wen

et al. 2021

Palaeobio Palaeoenv

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The Devonian-Carboniferous transition is marked by major perturbations to the Earth's climate system and marine redox conditions, a first-order mass extinction, and the succeeding marine ecosystem recovery, recording a sequence of environmental and biotic events. In South China, there exist numerous well-preserved and continuous Devonian-Carboniferous boundary successions that were formed in low-latitude passive margin basin, and this presents a unique opportunity to decipher the strata along a proximal to basinal transect using integrated biostratigraphical, event-stratigraphical, and geochemical approaches. Our geochemical data (δ 13 C carb , δ 15 N bulk , δ 238 U and Mo/U enrichments, I/Ca ratio) indicated local and global C-N cycling perturbations and marine anoxia in the main phase of the Hangenberg Crisis interval (Middle Siphonodella praesulcata Zone), which coincided with a major regression in South China. Stromatoporoid biostromes and most typical Devonian faunas did not survive into the interval, and the deep-water black shales yield only opportunistic survivors, such as ammonoid Postclymenia cf. evoluta and bivalve Guerichina, along with miospores belonging to the LN Zone. The upper Hangenberg Crisis interval (Upper Si. praesulcata Zone, equal to the Protognathodus kockeli Zone) is marked by initial post-glacial transgression, a global δ 13 C carb spike, and opportunistic faunal blooms, coincident with conodont biofacies shift to the polygnathid-protognathodid biofacies. The Protognathodus fauna, nearly absent from platform facies, is often found in the condensed upper crisis interval of the basin, slope, and platform margin facies within the Youjiang Basin, although the abundance is extremely low and the phylogenetic lineage of Pr. meischneri-Pr. collinsoni-Pr. kockeli cannot be recognised in most successions. In South China, the first occurrence of Pr. kockeli seems to correspond to lithofacies changes, recorded in the first level of transgression just above the Hangenberg Sandstone event. Multiple lines of evidence, including great spatial heterogeneity of δ 13 C carb and δ 15 N bulk records, extremes of redox proxies, and lack of macrofossils, suggest that marine habitats remained in a critical/turbulent state during the Upper Si. praesulcata Zone, triggering the opportunistic blooms and minor extinctions. Following the crisis intervals, radiation/ recovery of many fossil groups did not occur until the upper part of the Siphonodella sulcata Zone to the Si. duplicata Zone. In particular, a negative shift of δ 13 C carb to pre-crisis values occurring near the base of the Si. sulcata/Pr. kuehni Zone could be recognised worldwide. The research history, current status, and achievement of Devonian-Carboniferous boundary in China are briefly reviewed.

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Middle Devonian ostracods from Jiwozhai patch reef (Dushan, Guizhou Province, South China): Biostratigraphic and palaeoecological implication

Song,

Huang,

Guo

et al. 2024

Journal of Palaeogeography

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<i>Wangshangkia</i>, a new Devonian ostracod genus from Dushan of Guizhou, South China

Cited by 4 publications

References 8 publications

Late Devonian benthic ostracods from South China and their response to the Frasnian–Famennian event

Late Devonian benthic ostracods from South China and their response to the Frasnian–Famennian event

Devonian-Carboniferous boundary in China

Middle Devonian ostracods from Jiwozhai patch reef (Dushan, Guizhou Province, South China): Biostratigraphic and palaeoecological implication

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