A new eyeless species of Nicon(Annelida: Nereididae) from the deep Northwest Pacific Ocean

被引：1

作者：

Yueyun Wang ^{[1
,2
]}

Hong Cheng ^{[1
,2
]}

Chunsheng Wang ^{[1
,2
,3
,4
]}

机构：

[1] Second Institute of Oceanography,Ministry of Natural Resources

[2] Key Laboratory of Marine Ecosystem Dynamics,Ministry of Natural Resources

[3] School of Oceanography,Shanghai Jiao Tong University

[4] Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)

来源：

ActaOceanologicaSinica | 2021年 / 40卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

Q959 [动物分类学（系统动物学）];

学科分类号：

071002 ;

摘要：

A new species of the nereidid annelid, genus Nicon Kinberg, 1866, from KIOST Seamount, Northwest Pacific deep water is described. Nicon is a genus characterized by lacking paragnaths or papillae on the pharynx and composed of nine species worldwide, distributed from shallow water to deep sea. Nicon ablepsia sp. nov. here described is characterized by the lack of eyes on the prostomium, prolonged tentacular cirri reaching to chaetiger6, notochaetae homogomph spinigers, neurochaetae homogomph spinigers and heterogomph falcigers.Phylogenetic relationships of Nicon remain undetermined based on molecular data. In this study, we constructed molecular Maximum-Likelihood phylogenetic tree from 29 nereidid species based on four marker genes:mitochondrial 16 S rRNA gene and cytochrome c oxidase subunit I(COI) gene; nuclear 18 S rRNA gene and 28 S rRNA gene. Our analysis suggest the Nicon is clustered within Nereidinae, and nereidinae is not recovered as monophyletic. A key to species of Nicon is provided.

引用

页码：20 / 26

页数：7

共 16 条

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