Whale falls, multiple colonisations of the deep, and the phylogeny of Hesionidae (Annelida)
Whale falls, multiple colonisations of the deep, and the phylogeny of Hesionidae (Annelida)
复制标题
鲸鱼的坠落、深海的多重殖民以及海狮科（Annelida）的系统发育
DOI：
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发表时间：
2015
影响因子：
2.2
通讯作者：
Greg W. Rouse
中科院分区：
文献类型：
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作者：
Mindi M. Summers;F. Pleijel;Greg W. Rouse
抽象。
通过线粒体（细胞色素c氧化酶亚基I和16S rRNA）和核（18S rRNA和28S rRNA）数据的最大简约法和最大似然分析，评估Hesionidae Grube，1850内的系统发育关系。这些分析是基于42个hesionid物种，其中6个是新种，在这里描述。这些新种均来自东太平洋深海（>200米深度）底栖环境（包括鲸鱼福尔斯），julii，新种Sirsoe sirikos，sp. nov. ketea，sp. nov. Vrijenhoekia falenothiras，新种。nov.，和Vrijenhoekia aerobic，sp. nov.的分子分歧之间的新成员Vrijenhoekia是明显的，足以考虑他们的神秘种，即使我们不能区分它们之间的形态。我们的研究结果还表明，亚科Hesioninae Grube，1850，传统划定，是并系。因此，我们限制Hesioninae仅包括HesioniniGrube，1850和参考Psamathinae Pleijel，1998其余成员。本研究增加了与鲸鱼福尔斯相关的hesionid物种的数量，从一个到六个，并显着增加了所描述的深海hesionid类群的数量。似乎有多个殖民地的深海从浅水沃茨的hesionids，但进一步的采样是必要的。
Abstract.
Phylogenetic relationships within Hesionidae Grube, 1850 are assessed via maximum parsimony and maximum likelihood analyses of mitochondrial (cytochrome c oxidase subunit I and 16S rRNA) and nuclear (18S rRNA, and 28S rRNA) data. The analyses are based on 42 hesionid species; six of these being new species that are described here. The new species, all from deep (>200 m depth) benthic environments (including whale falls) in the eastern Pacific, are Gyptis shannonae, sp. nov., Neogyptis julii, sp. nov., Sirsoe sirikos, sp. nov., Vrijenhoekia ketea, sp. nov., Vrijenhoekia falenothiras, sp. nov., and Vrijenhoekia ahabi, sp. nov. The molecular divergence among the new members of Vrijenhoekia is pronounced enough to consider them cryptic species, even though we cannot distinguish among them morphologically. Our results also showed that the subfamily Hesioninae Grube, 1850, as traditionally delineated, was paraphyletic. We thus restrict Hesioninae to include only Hesionini Grube, 1850 and refer the remaining members to Psamathinae Pleijel, 1998. The present study increases the number of hesionid species associated with whale falls from one to six and markedly increases the number of described deep-sea hesionid taxa. There appear to have been multiple colonisations of the deep sea from shallow waters by hesionids, though further sampling is warranted.
影响因子：
1.6
作者：
Silvestro, Daniele;Michalak, Ingo
通讯作者：
Michalak, Ingo