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首页> 外文期刊>Journal of Systematic Palaeontology >First extinct representative of the rove beetle subtribe Acylophorina from Baltic amber, and its phylogenetic placement
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First extinct representative of the rove beetle subtribe Acylophorina from Baltic amber, and its phylogenetic placement

机译：波罗的海琥珀色的甲虫亚纲Acylophorina的第一个灭绝代表及其种系发生位置

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摘要

The recently established subtribe Acylophorina comprises several morphologically diverse genera. They were revealed as a monophyletic group primarily by molecular-based phylogenetic analysis. The morphological disparity and significantly disjunct geographical distribution of Acylophorina suggest a higher diversity in the past that has been reduced by extinctions. Consequently, the fossil record preserving extinct transitional morphologies is a very important source of data to test for monophyly and improve overall phylogenetic understanding of this subtribe. Here, we describe the first undoubted representative of the subtribe as a new species, Acylophorus hoffeinsorum sp. nov., and confirm its placement within Acylophorina by phylogenetic analysis using Bayesian inference and maximum parsimony methods. We question the monophyly of Acylophorus Nordmann, 1837, the most speciose genus in the subtribe, and call for further phylogenetic investigation and taxonomic revision of this genus and the subtribe as a whole. Additionally, we argue that the extinct Cenozoic Acylophorus immotus Scudder, 1900, which so far has been erroneously known as the only fossil member of Acylophorina, in fact belongs to the subfamily Tachyporinae.
机译：最近建立的亚非共生亚属包括几个形态多样的属。它们主要通过基于分子的系统发育分析揭示为单系统群体。蓝藻的形态差异和明显不同的地理分布表明，过去物种的多样性因灭绝而减少。因此，保持灭绝过渡形态的化石记录是测试单亲性和改善对该亚群的整体系统发育理解的非常重要的数据来源。在这里，我们将亚族的第一个毫无疑问的代表描述为一种新种，Acylophorus hoffeinsorum sp。 nov。，并使用贝叶斯推断和最大简约方法通过系统发育分析确认其在棘足目内的位置。我们对亚族中最特殊的属Acylophorus Nordmann（1837年）的单性提出质疑，并呼吁对该族和亚族作为一个整体进行进一步的系统发育研究和分类学修订。此外，我们认为灭绝的新生代棘轮虫Scudder，1900年至今被错误地称为棘轮虫的唯一化石成员，实际上属于速目亚科。

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