Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Spionidae and Poecilochaetidae

Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Spionidae and Poecilochaetidae
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中部太平洋克拉里昂-克利珀顿区东部多金属结核勘探区深渊动物群:环节动物门:螺科和拟毛毛科

DOI:
10.1007/s12526-022-01277-1
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发表时间:
2022
影响因子:
1.6
通讯作者:
Neal L
Neal L
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Neal L

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本文件是关于克拉里昂-克利珀顿区东部多金属结核区底栖动物的分类学出版物的延续,使用了针对两个勘探合同区(“UK-1”和“OMS”)和一个环境特受关注区(“APEI-6”)开展基线环境调查工作期间收集的材料。在这里研究了环节动物亚目Spioniformia的Poecilochaetidae Hannerz和Spionidae Grube科。分类数据,提出了25种从98个记录的形态学和遗传学方法相结合的确定。虽然次优的形态条件可以防止新物种被正式描述,这是必不可少的,形态,分子和凭证数据可用于未来的调查。标题二新种--布氏花刺水蚤Poecilochaetus brenkeisp. nov.和Laonice shulseaesp.十一月-将本研究所针对的地区正式描述的新环节动物物种数量增加到15种,将CCZ范围内的新物种数量增加到46种。我们还讨论了通常报道的“世界性”深海spionidAurospio dibranchiataMaciolek,我们显示代表几个遗传上不同的物种(其中三个来自CCZ地区),但没有可靠的形态特征来区分它们。分子数据提供的证据表明,15出的25种在这里报道了广泛的分布在东部CCZ和Aurospiosp。“NHM_2186”和Paterson等的已知种Prionospio amarsupiataNeal &阿尔塔米拉可能是世界性的。最后,分子数据提供的见解Spioniformia内的关系,这表明Poecilochaetidae和Trochochaetidae属于Spionidae。
This paper represents a continuation of taxonomic publications on the benthic fauna of polymetallic nodule fields in the eastern Clarion-Clipperton Zone (CCZ) using material collected during baseline environmental survey work targeting two exploration contract areas (“UK-1” and “OMS”) and one Area of Particular Environmental Interest, “APEI-6.” Families Poecilochaetidae Hannerz, and Spionidae Grube, of the annelid suborder Spioniformia were studied here. Taxonomic data are presented for 25 species from 98 records as identified by a combination of morphological and genetic approaches. Although sub-optimal morphological condition can prevent new species being formally described, it is essential that morphological, molecular, and voucher data are made available for future surveys. Descriptions of two new species—Poecilochaetus brenkeisp. nov. andLaonice shulseaesp. nov.—increase the number of formally described new annelid species from the areas targeted in this study to 15 and CCZ-wide to 46. We also discuss the commonly reported “cosmopolitan” deep-sea spionidAurospio dibranchiataMaciolek, , which we show represents several genetically distinct species (three of these from CCZ area alone) but without reliable morphological characters to separate them. Molecular data provide evidence that 15 out of 25 species reported here have a wide distribution within the eastern CCZ and thatAurospiosp. “NHM_2186” and the known speciesPrionospio amarsupiataNeal & Altamira in Paterson et al. may be cosmopolitan. Lastly, the molecular data provide insights into relationships within Spioniformia, suggesting that both Poecilochaetidae and Trochochaetidae belong within Spionidae.
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