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Changhsingian (latest Permian) deep-water brachiopod fauna from South China

机译：中国南方的昌兴期（二叠纪）深水腕足动物区系

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摘要

This paper describes 45 brachiopod species (including 15 undetermined species) in 23 genera belonging to seven orders (Productida, Spiriferida, Athyridida, Orthida, Orthotetida, Rhynchonellida and Lingulida) from the Talung Formation (Changhsingian, latest Permian) of the marine deep-water facies of South China. Two new genera are proposed: Chaohochonetes and Parapygmochonetes; along with nine new species: Tethyochonetes rectangularis, Tethyochonetes? sinuata, Chaohochonetes triangusinuata, Neochonetes (Zhongyingia?) liaoi, Neochonetes (Huangichonetes?) wufengensis, Paryphella majiashanensis, Paryphella minuta, Parapygmochonetes parvulus and Meekella sparsiplicata. The taxonomic composition, significant morphological features and palaeoecological implications of this deep-water brachiopod fauna are summarized, and the fauna is compared with the Permian-Triassic boundary (PTB) mixed brachiopod fauna of South China. The Changhsingian (latest Permian) deep-water brachiopod fauna of South China shares some common features with the PTB mixed brachiopod fauna, especially in terms of taxonomic composition and certain apparent morphological adaptations. This commonality is interpreted to indicate a time and a broad marine environment of widespread low oxygen supply and/or reduced trophic resources during the end-Permian life crisis in South China.
机译：本文描述了来自海洋深水的塔隆组（长兴格期，最新的二叠纪）的七个属（生产科，螺旋藻，棘足目，兽疫科，直翅目科，Rhynchonellida和Lingulida）的23个属中的45种腕足动物（包括15个未定物种）。华南相。提出了两个新的属：超细软骨动物和副pychomomochonetes。以及9个新物种：矩形Tethyochonetes，Tethyochonetes？中华绒螯蟹，潮甲潮甲，中新Neo虫（中英尼亚？），五峰新net虫，马家山疟原虫，小菜蛾，小副伞虫和小孢子。总结了该深水腕足动物群的分类学组成，重要的形态学特征和古生态意义，并将其与中国南方的二叠纪-三叠纪界线（PTB）混合腕足动物区系进行了比较。中国南方的昌兴期（二叠纪）深水腕足动物群与PTB混合腕足动物群具有一些共同特征，特别是在分类学组成和某些明显的形态适应方面。这种共性被解释为表明在中国南方二叠纪末期生命危机期间，广泛的低氧供应和/或减少的营养资源的时间和广阔的海洋环境。

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  • 来源
    《Journal of Systematic Palaeontology》 |2014年第8期|907-960|共54页
  • 作者

    Weihong He; G. R. Shi; Yang Zhang; Tinglu Yang; Kexin Zhang; Shunbao Wu; Zhijun Niu; Zongyan Zhang;

  • 作者单位

    State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, China;

    School of Life and Environmental Sciences, Deakin University, Melbourne Burwood Campus, 221 Burwood Highway, Burwood, VIC 3125, Australia;

    Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China,School of Life and Environmental Sciences, Deakin University, Melbourne Burwood Campus, 221 Burwood Highway, Burwood, VIC 3125, Australia;

    Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China;

    State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, China;

    Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China;

    Wuhan Institute of Geology and Mineral Resources, Wuhan 430205, China;

    Nanjing Institute of Geology and Mineral Resources, Nanjing 200016, China;

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  • 关键词

    Brachiopoda; deep water; latest Permian; South China; Permian-Triassic boundary;

    机译：腕足动物;深水;最新的二叠纪;华南二叠纪-三叠纪边界;

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