中国侏罗纪中期发现的一个具有独特猛禽结构的新茎类螳螂品系(昆虫纲:神经翼虫目

IF 3.7 1区 生物学 Q1 Agricultural and Biological Sciences
Jinglei Wang, Chaofan Shi, Xingyue Liu, Chungkun Shih, Dong Ren, Yongjie Wang
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引用次数: 0

摘要

在白垩纪时期,草蜻蛉超科螳螂属(Mantispoidea)中具有猛禽前肢的物种群经历了快速的物种辐射,其特点是物种丰富和形态可塑性强。然而,由于化石证据稀少,尤其是白垩纪以前的化石,关于这种特化的捕食器官在猛禽螳螂目的起源前后的形态和早期演化一直鲜有记载。本文描述了来自中国东北部中侏罗世九龙山地层的一个新属和新种,即 Archarhachiberotha longitarsa Wang, Ren et Wang gen.该新属的特征是具有显著的猛禽前肢,即典型的拉长跗关节、相对较少肿胀的股骨和不发育的小股骨棘,以及发达的跗关节。考虑到新属的奇特形态组合和古老性,该属被认为是螳螂虾目(Mantispoidea)的一个干群。同时,通过对猛禽前肢的形态和生物学功能的详细分析,认为新属进化为一种未知的原始猛禽类型,与现生的形态特征和猛禽机制明显不同。此外,本文所总结的猛禽螳螂属的演化趋势凸显了化石代表与现生代表之间的形态多样性和差异,为探索一个品系中特化结构的整个演化历史提供了一个罕见的案例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A new stem‐group mantispoid lineage (Insecta: Neuroptera) equipped with unique raptorial structures from the Middle Jurassic of China
During the Cretaceous period, the lacewing superfamily Mantispoidea, with an assemblage of species possessing raptorial forelegs, have undergone a rapid species radiation, characterized by abundant species richness and high morphological plasticity. Nevertheless, the morphology and early evolution of the specialized predatory organ around the time of its origin in raptorial Mantispoidea have been poorly documented due to the rarity of fossil evidence, especially for the pre‐Cretaceous fossils. Herein, a new genus and new species, that is Archarhachiberotha longitarsa Wang, Ren et Wang gen. et sp. nov., was described from the Middle Jurassic Jiulongshan Formation of northeastern China. This new genus was characterized by the remarkable raptorial forelegs, that is, typically elongated coxa, relatively less‐swollen femur and rudimentary small femoral spines, and well‐developed tarsi. Considering the peculiar morphological combination and antiquity of the new genus, it was assigned to be a stem‐group lineage of Mantispoidea. Also, the detailed analyses of morphology and biological functions of raptorial forelegs were made to conclude that the new genus evolved into an unknown but primitive raptorial type that was distinctly different from the extant morphological features and raptorial mechanisms. In addition, the evolutionary tendency of raptorial Mantispoidea herein summarized highlights morphological diversity and disparity between fossil and extant representatives, and provides a rare case to explore the entire evolutionary history of a specialized structure in one lineage.
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来源期刊
Journal of Systematics and Evolution
Journal of Systematics and Evolution Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
7.40
自引率
8.10%
发文量
1368
审稿时长
6-12 weeks
期刊介绍: Journal of Systematics and Evolution (JSE, since 2008; formerly Acta Phytotaxonomica Sinica) is a plant-based international journal newly dedicated to the description and understanding of the biological diversity. It covers: description of new taxa, monographic revision, phylogenetics, molecular evolution and genome evolution, evolutionary developmental biology, evolutionary ecology, population biology, conservation biology, biogeography, paleobiology, evolutionary theories, and related subjects.
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