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{"title":"Early Pennsylvanian Odonatoptera from the Xiaheyan locality (Ningxia, China): new material, taxa, and perspectives","authors":"Yongjun Li, Olivier Béthoux, Hong Pang, Dong Ren","doi":"10.1002/mmng.201300006","DOIUrl":null,"url":null,"abstract":"<p>Data on Odonatoptera species from the Xiaheyan locality (Ningxia, China; Early Pennsylvanian) described so far are complemented based on abundant new material. Several taxonomic and nomenclatural adjustments are proposed. The species <i>Tupus readi</i> Carpenter, 1933 is transferred to the genus <i>Shenzhousia</i> Zhang & Hong, 2006 in Zhang et al. (2006), and therefore should be referred to as <i>Shenzhousia readi</i> (Carpenter, 1933) n. comb. The monotypic genus <i>Sinomeganeura</i> Ren et al., 2008 is synonymized with <i>Oligotypus</i> Carpenter, 1931. As a consequence the type species of the former must be referred to as <i>Oligotypus huangheensis</i> (Ren et al., 2008) n. comb. The monotypic genus <i>Paragilsonia</i> Zhang, Hong & Su, 2012 in Su et al. (2012) is synonymized with <i>Tupus</i> Sellards, 1906. As a consequence the type-species of the former is to be referred to as <i>Tupus orientalis</i> (Zhang, Hong & Su, 2012 in Su et al. (2012)) n. comb. The monotypic genus <i>Sinierasiptera</i> Zhang, Hong & Su, 2012 in Su et al. (2012) is synonymized with <i>Erasipterella</i> Brauckmann, 1983. As a consequence the type-species of the former is to be referred to as <i>Erasipterella jini</i> (Zhang, Hong & Su, 2012 in Su et al. (2012)) n. comb. In addition <i>Aseripterella sinensis</i> n. gen. et sp. and <i>Sylphalula laliquei</i> n. gen. et sp. are described. The ‘strong oblique distal' cross-vein, located in the area between RA and RP is found to occur more extensively than previously expected. It is believed to be a structure distinct from the subnodal cross-vein, and therefore deserves to be referred to by a distinct name (viz. ‘postsubnodal cross-vein'). Odonatoptera from the Xiaheyan locality cover a broad range of sizes. Factors that could have promoted the evolution of large-sized Odonatoptera are briefly reviewed. The permissive conditions prevailing during the Pennsylvanian, and the existence of an elaborated food web, are emphasized as putative positive factors. The new taxonomic treatment suggests that genera documented in the Lower Permian, such as <i>Shenzhousia</i> and <i>Oligotypus</i>, stem from the early Pennsylvanian, and implies a high resilience of these taxa when facing the Pennsylvanian–Permian environmental perturbations. (© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)</p>","PeriodicalId":55147,"journal":{"name":"Fossil Record","volume":null,"pages":null},"PeriodicalIF":1.4000,"publicationDate":"2013-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/mmng.201300006","citationCount":"18","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fossil Record","FirstCategoryId":"89","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/mmng.201300006","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Earth and Planetary Sciences","Score":null,"Total":0}
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Abstract
Data on Odonatoptera species from the Xiaheyan locality (Ningxia, China; Early Pennsylvanian) described so far are complemented based on abundant new material. Several taxonomic and nomenclatural adjustments are proposed. The species Tupus readi Carpenter, 1933 is transferred to the genus Shenzhousia Zhang & Hong, 2006 in Zhang et al. (2006), and therefore should be referred to as Shenzhousia readi (Carpenter, 1933) n. comb. The monotypic genus Sinomeganeura Ren et al., 2008 is synonymized with Oligotypus Carpenter, 1931. As a consequence the type species of the former must be referred to as Oligotypus huangheensis (Ren et al., 2008) n. comb. The monotypic genus Paragilsonia Zhang, Hong & Su, 2012 in Su et al. (2012) is synonymized with Tupus Sellards, 1906. As a consequence the type-species of the former is to be referred to as Tupus orientalis (Zhang, Hong & Su, 2012 in Su et al. (2012)) n. comb. The monotypic genus Sinierasiptera Zhang, Hong & Su, 2012 in Su et al. (2012) is synonymized with Erasipterella Brauckmann, 1983. As a consequence the type-species of the former is to be referred to as Erasipterella jini (Zhang, Hong & Su, 2012 in Su et al. (2012)) n. comb. In addition Aseripterella sinensis n. gen. et sp. and Sylphalula laliquei n. gen. et sp. are described. The ‘strong oblique distal' cross-vein, located in the area between RA and RP is found to occur more extensively than previously expected. It is believed to be a structure distinct from the subnodal cross-vein, and therefore deserves to be referred to by a distinct name (viz. ‘postsubnodal cross-vein'). Odonatoptera from the Xiaheyan locality cover a broad range of sizes. Factors that could have promoted the evolution of large-sized Odonatoptera are briefly reviewed. The permissive conditions prevailing during the Pennsylvanian, and the existence of an elaborated food web, are emphasized as putative positive factors. The new taxonomic treatment suggests that genera documented in the Lower Permian, such as Shenzhousia and Oligotypus , stem from the early Pennsylvanian, and implies a high resilience of these taxa when facing the Pennsylvanian–Permian environmental perturbations. (© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
宁夏下河岩地区早宾夕法尼亚世齿翅目:新材料、新分类群和新观点
宁夏下河岩地区齿翅目物种资料到目前为止所描述的早期宾夕法尼亚)是基于丰富的新材料补充的。提出了几种分类和命名上的调整。1933年,种Tupus readi Carpenter被转移到Shenzhousia Zhang属。Hong, 2006 in Zhang et al.(2006),因此应简称为神州读本(Carpenter, 1933) n. comb。单型属sinomeganera Ren et al., 2008与Oligotypus Carpenter, 1931同义。因此,前者的模式种必须被称为黄河寡typus (Ren et al., 2008) n. comb。单模属伞藻张红&;Su et al.(2012)与Tupus Sellards, 1906同义。因此,前者的模式种被称为Tupus orientalis (Zhang, Hong &Su, 2012 in Su et al. (2012)) n. comb。单模属蚊翅目张红&;Su et al.(2012)与Erasipterella Brauckmann, 1983同义。因此,前者的模式种被称为jini Erasipterella (Zhang, Hong &Su, 2012 in Su et al. (2012)) n. comb。此外,还描述了中华无翅虫(Aseripterella sinensis n. genet sp.)和狐尾虫(Sylphalula laliquei n.g.et sp.)。位于RA和RP之间区域的“强斜远端”交叉静脉比先前预期的更广泛。它被认为是一种不同于结下交叉静脉的结构,因此值得用一个不同的名称来指代(即“结下交叉静脉”)。下河岩地区的齿翅目的大小范围很广。简要综述了可能促进大型齿翅目进化的因素。宾夕法尼亚时期普遍存在的宽松条件和一个精心设计的食物网的存在,被强调为假定的积极因素。新的分类处理表明,在下二叠世记录的属,如神州属和Oligotypus,起源于早期宾夕法尼亚,并暗示这些分类群在面对宾夕法尼亚-二叠纪环境扰动时具有很高的恢复力。(©2013 WILEY-VCH Verlag GmbH &KGaA公司,Weinheim)
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