中国海域发现的 Lunovula Rosenberg 属新种(腹足纲:Pediculariidae),这是首次发现以树水螅为食的有柄类动物

IF 1.5 4区 环境科学与生态学 Q3 BIODIVERSITY CONSERVATION Marine Biodiversity Pub Date : 2024-03-13 DOI:10.1007/s12526-024-01422-y
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引用次数: 0

摘要

以深海水螅虫 Solanderia sp.(Solanderiidae,俗称树水螅虫)为食的新种 Lunovula supingae sp.在一般壳形上,它与 Lunovula venusta Tsuchida & Kurozumi, 1999 最为相似,但与后者的区别在于,它的漏斗部更高,有两个凸起的大齿,唇齿数量较多,后端不太突出,最明显的是,它的外唇完全向外增厚。这是第一个以水螅为食的记录。利用贝叶斯推断法和最大似然法基于 COI 和 16S rRNA 基因进行的系统发生学分析表明,Lunovula supingae sp.此外,系统进化分析还发现卵菌科(Ovulidae)具有多型性,这表明该科需要进一步的分类学修订。
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A new species of genus Lunovula Rosenberg, 1990 (Gastropoda: Pediculariidae) from China Seas, the first pediculariid found feeding on a tree hydroid

Abstract

A new species of the genus Lunovula Rosenberg, 1990, Lunovula supingae sp. nov. feeding on deep-sea hydroid Solanderia sp. (Solanderiidae, commonly known as tree hydroid) is described and illustrated from the East China Sea and South China Sea. It is most similar to Lunovula venusta Tsuchida & Kurozumi, 1999 in general shell shape but can be distinguished from the latter by having a more elevated funiculum with two large raised teeth, higher number of labial teeth, less protruding posterior extremity, and most notably, by having an outer lip that entirely thickens to the outside. This represents the first record of a pediculariid species feeding on a hydroid other than a hydrocoral. Phylogenetic analyses based on the COI and 16S rRNA genes using Bayesian inference and maximum likelihood showed that Lunovula supingae sp. nov. falls into the family Pediculariidae, supporting the systematic placement of Lunovula in the family. Furthermore, the phylogenetic analyses recovered the Ovulidae as polyphyletic, suggesting that this family needs a further taxonomic revision.

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来源期刊
Marine Biodiversity
Marine Biodiversity BIODIVERSITY CONSERVATION-MARINE & FRESHWATER BIOLOGY
CiteScore
3.30
自引率
6.20%
发文量
56
期刊介绍: Marine Biodiversity is a peer-reviewed international journal devoted to all aspects of biodiversity research on marine ecosystems. The journal is a relaunch of the well-known Senckenbergiana maritima" and covers research at gene, species and ecosystem level that focuses on describing the actors (genes and species), the patterns (gradients and distributions) and understanding of the processes responsible for the regulation and maintenance of diversity in marine systems. Also included are the study of species interactions (symbioses, parasitism, etc.) and the role of species in structuring marine ecosystem functioning. Marine Biodiversity offers articles in the category original paper, short note, Oceanarium and review article. It forms a platform for marine biodiversity researchers from all over the world for the exchange of new information and discussions on concepts and exciting discoveries. - Covers research in all aspects of biodiversity in marine ecosystems - Describes the actors, the patterns and the processes responsible for diversity - Offers peer-reviewed original papers, short communications, review articles and news (Oceanarium) - No page charges
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