一种新的蛛形目Scaberiloricus samba gen. et sp. nov.将希金斯幼虫和异常的Shira幼虫联系起来

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-11-09 DOI:10.1007/s13127-023-00626-7

Martin V. Sørensen, Maria Herranz, Ricardo C. Neves, Reinhardt M. Kristensen, André R. S. Garraffoni

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引用次数: 0

摘要

摘要在巴西里约热内卢里约热内卢的大陆架和斜坡上描述了一新属和新种:Scaberiloricus samba gen. et sp. nov.。新实体的成虫形态尚不清楚，但可以从三种不同的希金斯幼虫中获得信息。新物种的希金斯幼虫的特征是一个球根状的头部和一个细长的躯干，由头部后面的收缩分开。胸部和头部后部的角质层有许多纵向的锯齿状褶皱。该新种属的形态特征与日本野田鼠(Wataloricus japonicus)最为相似。基于Higgins幼虫形态特征的系统发育分析表明，日本野田鼠(Scaberiloricus gen. nov.)、野田鼠(Wataloricus)、田鼠(Tenuiloricus)和Patuloricus在野田鼠科属于一个单系类群。进一步分析表明，Scaberiloricus gen. 11 .和Wataloricus的Higgins幼虫代表了向Tenuiloricus和Patuloricus中高度异常的Shira幼虫过渡的进化阶段。

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A new Loriciferan, Scaberiloricus samba gen. et sp. nov., links the Higgins larva and the aberrant Shira larva

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A new Loriciferan, Scaberiloricus samba gen. et sp. nov., links the Higgins larva and the aberrant Shira larva

Abstract A new genus and species of Loricifera, Scaberiloricus samba gen. et sp. nov., is described from the continental shelf and slope off Rio de Janeiro, Brazil. Adult morphology remains unknown for the new entity, but information is available from three different Higgins larval instars. The Higgins larva of the new species is characterised by a bulbous head and a slender, elongate trunk, separated by a constriction behind the head. The cuticle of the thorax and the posterior part of the head is characterised by numerous longitudinal zigzag folds. The new species and genus shows greatest morphological resemblance with Wataloricus japonicus , and a phylogenetic analysis based on Higgins larval morphological characters suggests that Scaberiloricus gen. nov., Wataloricus , Tenuiloricus , and Patuloricus form a monophyletic group within Pliciloricidae. The analysis furthermore suggests that the Higgins larvae of Scaberiloricus gen. nov. and Wataloricus represent transitional, evolutionary stages towards the highly aberrant Shira larvae, found in species of Tenuiloricus and Patuloricus .

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.