Triassic Evolution of the Yangtze Platform in Guizhou Province, People's Republic of China

Enos, Paul; Lehrmann, Daniel J.; Wei, Jiayong; Yu, Yingxin; Xiao, Jianru; Chaikin, Daniel H.; Minzoni, Marcello; Berry, Adrian K.; Montgomery, Paul

doi:10.1130/spe417

Cited by 22 publications

(11 citation statements)

References 32 publications

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“…This ammonoid species is characteristic of the latest Changhsingian ammonoid assemblage in South China (Zhao et al, 1981). The Dalong Formation is overlain by the Early Triassic Luolou Formation, which consists mainly of thin-bed limestone and mudstone (Enos et al, 2007). The presence of the earliest Triassic ammonoid Ophiceras sp.…”

Section: Latidentatus H Eurypyge H Typicalis Clarkinamentioning

confidence: 99%

End-Permian mass extinction of foraminifers in the Nanpanjiang basin, South China

et al. 2009

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Newly obtained foraminifer faunas from the Permian-Triassic (P-Tr) transition at the Dajiang and Bianyang sections in the Nanpanjiang Basin, South China, comprise 61 species in 40 genera. They belong to thePalaeofusulina sinensisZone, the youngest Permian foraminifer zone in South China. Quantitative analysis reveals that the last occurrences of more than a half of species (28/54) fall into a 60-cm-interval at the uppermost Changhsingian skeletal packstone unit and thus calibrate the end-Permian extinction to the skeletal packstonecalcimicrobial framestone boundary. About 93% (54/58) of species of the latest Permian assemblage became extinct in the P-Tr crisis. Four major foraminiferal groups, the Miliolida, Fusulinida, Lagenida, and Textulariina, have extinction rates up to 100%, 96%, 92%, and 50%, respectively, and thus experienced selective extinctions. BothHemigordius longusand ?Globivalvulina bulloidestemporarily survived the end-Permian extinction event and extended into the earliest Triassic but became extinct soon after. The post-extinction foraminifer assemblage is characterized by the presence of both disaster taxa and Lazarus taxa. Foraminifer distribution near the P-Tr boundary also reveals that the irregular contact surface at the uppermost Permian may be created by a massive submarine dissolution event, which may be coeval with the end-Permian mass extinction. A new species,Rectostipulina hexamerata,is described here.

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Section: Latidentatus H Eurypyge H Typicalis Clarkinamentioning

confidence: 99%

End-Permian mass extinction of foraminifers in the Nanpanjiang basin, South China

et al. 2009

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“…Diverse Middle to Late Triassic carbonate deposits are well developed in southwest China (Yang et al 1982Enos et al 2006. The studied sections include Long Chang (Sun et al 2016), Yongyue (Zhang et al 2017) and Caizitang (Zhang et al 2018) which all have established conodont biostratigraphy.…”

Section: Geological Settingsmentioning

confidence: 99%

Conodont size reduction and diversity losses during the Carnian Humid Episode in SW China

Zhang

Sun

Wignall

et al. 2018

JGS

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“…1). This is in the southwestern part of the Yangtze Platform between the Nanpanjiang Basin and the Yangtze Platform (Enos et al, 2006). The Luoping biota is part of Member II of the Guanling Formation, of the Anisian stage (Middle Triassic), based upon conodont zonation (Huang et al, 2009; Zhang et al, 2009).…”

Section: The Biota and Its Geological Settingmentioning

confidence: 99%

A new millipede (Diplopoda, Helminthomorpha) from the Middle Triassic Luoping biota of Yunnan, Southwest China

Huang

Hannibal²,

Feldmann³

et al. 2018

J. Paleontol.

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A new helminthomorph millipede,Sinosoma luopingensenew genus new species, from the Triassic Luoping biota of China, has 39 body segments, metazonites with lateral swellings that bear a pair of posterolateral pits (?insertion pits for spine bases), and sternites that are unfused to the pleurotergites. This millipede shares a number of characters with nematophoran diplopods, but lacks the prominent dorsal suture characteristic of that order. Other “millipede” material from the biota is more problematic. Millipedes are a rare part of the Luoping biota, which is composed mainly of marine and near-shore organisms. Occurrences of fossil millipedes are exceedingly rare in Triassic rocks worldwide, comprising specimens from Europe, Asia, and Africa, and consisting of juliform millipedes and millipedes that are either nematophorans or forms very similar to nematophorans.

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Triassic Evolution of the Yangtze Platform in Guizhou Province, People's Republic of China

Cited by 22 publications

References 32 publications

End-Permian mass extinction of foraminifers in the Nanpanjiang basin, South China

End-Permian mass extinction of foraminifers in the Nanpanjiang basin, South China

Conodont size reduction and diversity losses during the Carnian Humid Episode in SW China

A new millipede (Diplopoda, Helminthomorpha) from the Middle Triassic Luoping biota of Yunnan, Southwest China

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