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Bathy- and mesopelagic annelida from the Arctic Ocean: Description of new, redescription of known and notes on some “cosmopolitan” species
Deep Sea Research Part I: Oceanographic Research Papers ( IF 2.3 ) Pub Date : 2020-08-12 , DOI: 10.1016/j.dsr.2020.103327
Glafira Kolbasova , Ksenia Kosobokova , Tatiana Neretina

Pelagic polychaetes collected in the deep Arctic Ocean between 2011 and 2016 during three expeditions of R/V Polarstern were investigated using morphological taxonomic and molecular methods based on DNA sequences for portions of the mitochondrial 16S and nuclear 18S and 28S rDNA genes. A comparison of our results on arctic Pelagobia cf. longicirrata Greeff, 1879, (Lopadorrhynchidae) and Typhloscolex cf. muelleri Busch, 1851 (Typhloscolecidae) with the data on P. cf. longicirrata and T. cf. muelleri from the Atlantic, Antarctic and Pacific, suggests the presence of species complexes within each of them instead of cosmopolitan species. We infer the validity of Phalacrophorus borealis Reibisch, 1895 (Iospilidae), synonymized earlier by several authors with cosmopolitan P. pictus Greeff, 1879 as a subspecies. Also, we describe a new Lopadorrhynchidae genus, Bathypelagobia gen. nov. with a redescription of Pedinosoma polaris (Buzhinskaja, 2017). Finally, we describe a new Polynoidae species, Bathypolaria kondrashovi sp. nov. with some notes on the reproductive biology of the latter species.



中文翻译:

北冰洋的盐生和近中生an虫:对某些“世界性”物种的新的已知名称和说明的描述

使用形态学分类和分子方法,基于线粒体16S和18S和28S rDNA基因部分的DNA序列,使用形态学分类学和分子方法,研究了2011年至2016年在北极海洋深处进行的3次R / V Polarstern探险期间收集的浮游多毛鱼类。我们在北极Pelagobia上的结果比较cf. longicirrata Greeff,1879年,(Lopadorrhynchidae)和Typhloscolex参见。muelleri Busch,1851年(Typhloscolecidae)的数据见P. cf. longicirrataT.参见 穆勒里来自大西洋,南极和太平洋地区的研究表明,在每个物种中都存在物种复合体,而不是世界性物种。我们推论1895年的Ph(Iospilidae)的有效性,该作者早些时候被多位作者P. pictus Greeff,1879年作为亚种而代名词。另外,我们描述了一个新的Lopadorrhynchidae属,Bathypelagobia属。十一月 并重新定义了北极星虫(Buzhinskaja,2017)。最后,我们描述了一个新的Polynoidae物种,Bathypolaria kondrashovi sp。十一月 关于后一种物种的生殖生物学的一些注释。

更新日期:2020-10-15
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