Systematic significance of wing morphology in extinct Prophalangopsidae (Insecta, Ensifera) revealed by geometric morphometrics and description of two new species

IF 2.2 2区地球科学 Q3 EVOLUTIONARY BIOLOGY

Journal of Systematic Palaeontology Pub Date : 2021-11-17 DOI:10.1080/14772019.2022.2067491

Jun-Jie Gu, Ziqiang Xu, Rong Huang, Haijian Wang, Yanli Yue, D. Ren

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引用次数: 3

Abstract

Prophalangopsidae was a diverse family during the Late Mesozoic, but the variation and sexual dimorphism in their forewing morphologies are rarely discussed. Based on 43 specimens – of both sexes – from eight species, an investigation into wing venation variation among/within species of Prophalangopsidae was performed using geometric morphometrics and morphological comparisons. The results indicate that wing characters are reliable for taxonomy in fossil Prophalangopsidae and that variation in wing shape and venation is common within species. The structures of the forewings are analogous between sexes within species, and it is possible to pair males and females for a fossil species. Due to the potential existence of synonyms arising from the lack of knowledge on wing venation variation within species and sexes, the species richness of fossil prophalangopsids is probably over-estimated. The role of wing venation characters in systematics and phylogenetic analysis needs to be further analysed. In addition, two new species of Prophalangopsidae from the Middle Jurassic are described. http://zoobank.org/urn:lsid:zoobank.org:pub:BD2D00D6-9E55-46F9-AEB3-122FBBF99A06

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从几何形态计量学和两个新种的描述揭示了已灭绝的前翅目昆虫翅膀形态的系统意义

中生代晚期，前翅目是一个多样化的家族，但其前翅形态的变异和两性异形很少被讨论。基于来自8个物种的43个两性标本，采用几何形态计量学和形态学比较方法，调查了前翼鼠科物种之间/内部的翼脉变化。研究结果表明，翅的特征可用于预测科化石的分类，并且翅形和脉序的变化在物种内很常见。前翅的结构在物种内的性别之间是相似的，一个化石物种有可能将雄性和雌性配对。由于缺乏对物种和性别内翅膀脉络变化的了解，可能存在同义词，因此可能高估了原发目化石的物种丰富度。翅序特征在系统学和系统发育分析中的作用有待进一步分析。此外，还记述了侏罗纪中期的两个新种。http://zoobank.org/urn:lsid:zoobank.org:pub:BD2D00D6-9E55-46F9-AEB3-122FBBF99A06

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来源期刊

Journal of Systematic Palaeontology 地学-古生物学

CiteScore

5.30

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Systematic Palaeontology publishes papers that provide novel and impactful results in phylogenetics and systematics and that use these results in ways that significantly advance rigorous analyses of palaeogeography, palaeobiology, functional morphology, palaeoecology or biostratigraphy. Papers dealing with theoretical issues or molecular phylogenetics are also considered if they are of relevance to palaeo-systematists. Contributions that include substantial anatomical descriptions, descriptions of new taxa or taxonomic revisions are welcome, but must also include a substantial systematics component, such as a new phylogeny or a revised higher-level classification. Papers dealing primarily with alpha-taxonomic descriptions, the presentation of new faunal/floristic records or minor revisions to species- or genus-level classifications do not fall within the remit of the journal.