Hyperdiversity of the genus Halgerda Bergh, 1880 (Nudibranchia: Discodorididae) with descriptions of fourteen new species

Hyperdiversity of the genus Halgerda Bergh, 1880 (Nudibranchia: Discodorididae) with descriptions of fourteen new species
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Halgerda Bergh 属的高度多样性,1880 年(裸鳃类:Discorididae)以及 14 个新物种的描述

DOI:
10.1007/s12526-022-01334-9
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发表时间:
2023
影响因子:
1.6
通讯作者:
Gosliner, Terrence M.
Gosliner, Terrence M.
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Donohoo, Samantha A.;Villalobos, Shaina G.;Hallas, Joshua M.;Gosliner, Terrence M.

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印度-太平洋属HalgerdaBergh,Verhandlungen Der Koniglich-Kaiserlichen Zoologisch-Botanischen Gesellschaft in Wien 30:155-200,是裸鳃亚目盘鱼科中最具多样性和研究最多的属之一。以前的研究主要是基于形态学;然而,分子数据的增加导致了新的物种描述以及未解决的物种复合体。在这里,我们扩大了可用的分子数据withinHalgerdaby利用两个线粒体和两个核基因的协调与形态描述14个新的Halgerdaspecies。贝叶斯推断,最大似然,物种划界分析,用于澄清以前建立的关系,并评估新的物种的位置withinHalgerda。在此基础上,将Halgerda elegansBergh与Halgerda willeyi Eliot同义,并对Halgerda mangosp进行了新的描述。十一月,黄菊十一月,哈尔格达·比奇斯普十一月,哈尔格达·保拉伊斯普十一月,长叶藓十一月,黑翅叶蝉十一月,中光刺叶甲十一月,哈尔格达深ASP.十一月,长叶海氏藻十一月,哈尔格达脚本。十一月,哈格尔达十一月,长叶拟谷盗十一月,哈格尔达十一月,和Radamaensissp.这里提供了nov。我们还提供了一个更新的形态描述的少年标本ofHalgerda dalanghitaFahey和Gosliner,扩大后,两个未解决的物种复合体先前确定在Tibiriçá等人,并确定一个新的中光分支在中太平洋。
The Indo-Pacific genusHalgerdaBergh, Verhandlungen Der Koniglich-Kaiserlichen Zoologisch-Botanischen Gesellschaft in Wien 30:155–200, is one of the most diverse and better-studied genera within the nudibranch family Discodorididae. Previous studies have been predominantly based on morphology; however, the addition of molecular data has led to new species descriptions as well as unresolved species complexes. Here, we broaden the available molecular data withinHalgerdaby utilizing two mitochondrial and two nuclear genes in coordination with morphology to describe 14 newHalgerdaspecies. Bayesian inference, maximum likelihood, and species delimitation analyses were used to clarify previously established relationships and evaluate the new species positions withinHalgerda. Based on our resultsHalgerda elegansBergh, is synonymized withHalgerda willeyiEliot, and new descriptions forHalgerda mangosp. nov.,Halgerda berberianisp. nov.,Halgerda biqieasp. nov.,Halgerda paulayisp. nov.,Halgerda labyrinthussp. nov.,Halgerda anosysp. nov.,Halgerda mesophoticasp. nov.,Halgerda profundasp. nov.,Halgerda takipsilimsp. nov.,Halgerda scriptasp. nov.,Halgerda herveisp. nov.,Halgerda maaikeaesp. nov.,Halgerda pattiaesp. nov., andHalgerda radamaensissp. nov. are provided here. We also provide an updated morphological description for juvenile specimens ofHalgerda dalanghitaFahey & Gosliner, ; expand upon the two unresolved species complexes previously identified in Tibiriçá et al. ; and identify a new mesophotic clade in the Central Pacific.
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