Stirring up the muck: the systematics of soft-sediment Fionidae (Nudibranchia: Aeolidina) from the tropical Indo Pacific.

IF 2.3 3区 生物学 Q2 MULTIDISCIPLINARY SCIENCES
PeerJ Pub Date : 2024-12-13 eCollection Date: 2024-01-01 DOI:10.7717/peerj.18517
Ashley Y Kim, Samantha A Donohoo, Terrence M Gosliner
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引用次数: 0

摘要

热带印度洋-太平洋风羽科的裸分支鲜为人知,尚未以协调一致的方式进行研究。许多未被描述的物种遍布印度洋和太平洋,并集中在珊瑚三角。近年来,随着新修订的龙葵科系统编目的出版,龙葵科新分类群的记录和描述尤其有必要。这里我们描述了珊瑚三角水域的Tenellia bughaw Kim & Gosliner sp. 11, Tenellia puti Kim & Gosliner sp. 11, Tenellia nakapila Kim & Gosliner sp. 11, Abronica payaso Kim & Gosliner, sp. 11和abrona turon Gosliner & Kim sp. 11。在贝叶斯和最大似然框架下,利用细胞色素氧化酶I (COI)、16s rRNA和组蛋白3 (H3)三个基因回顾了它们在线虫科的系统发育定位。此外,本文还对山水苔藻(Tenellia yamasui, Hamatani, 1993)进行了重新描述,以澄清其与T. bughaw和T. puti的区别。该研究证实了所有已知的四种Abronica的特征是具有尖锐弯曲的阴茎柱头,从而证实了该属成员的独特形态突触。一篇关于蛇尾类野生类无分支分类冲突的讨论,讨论了基于强调进化新颖性而非种系亲缘关系的新颖创新的极端分裂问题。相反,建议采用一种更为保守的方法,特别是在分类群中仍有许多未记录的原始多样性的情况下。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stirring up the muck: the systematics of soft-sediment Fionidae (Nudibranchia: Aeolidina) from the tropical Indo-Pacific.

The tropical Indo-Pacific aeolid nudibranchs of the Fionidae are poorly known and have not been studied in a concerted manner. Many undescribed species are found throughout the Indian and Pacific Oceans and are concentrated in the Coral Triangle. With the recent publication of a revised systematic arrangement of the Fionidae, documentation and description of new taxa of Fionidae is especially warranted. Here we describe Tenellia bughaw Kim & Gosliner sp. nov., Tenellia puti Kim & Gosliner sp. nov., Tenellia nakapila Kim & Gosliner sp. nov., Abronica payaso Kim & Gosliner, sp. nov. and Abronica turon Gosliner & Kim sp. nov. from the waters of the Coral Triangle. Their phylogenetic placement in Fionidae is reviewed using three genes: cytochrome oxidase I (COI), 16s rRNA, and histone 3 (H3) in a Bayesian and maximum likelihood framework. A redescription of Tenellia yamasui (Hamatani, 1993) is also provided to clarify its distinctiveness from T. bughaw and T. puti. This study confirms that all four known species of Abronica are characterized by having an acutely pointed curved penial stylet, thus confirming a unique morphological synapomorphy for members of this genus. A discussion on conflicts in the classification of fionid aeolid nudibranchs addresses concerns with extreme splitting based on novel innovations that emphasize evolutionary novelty over phyletic kinship. Instead, a more conservative approach is suggested, especially within the context of taxa that still have much undocumented primary diversity.

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来源期刊
PeerJ
PeerJ MULTIDISCIPLINARY SCIENCES-
CiteScore
4.70
自引率
3.70%
发文量
1665
审稿时长
10 weeks
期刊介绍: PeerJ is an open access peer-reviewed scientific journal covering research in the biological and medical sciences. At PeerJ, authors take out a lifetime publication plan (for as little as $99) which allows them to publish articles in the journal for free, forever. PeerJ has 5 Nobel Prize Winners on the Board; they have won several industry and media awards; and they are widely recognized as being one of the most interesting recent developments in academic publishing.
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