Alentiana palinpoda,a new commensal polynoid species from a seamount in the Northwest Pacific Ocean

作     者：Yueyun Wang Hong Cheng Chunsheng Wang Yueyun Wang;Hong Cheng;Chunsheng Wang

作者机构：Second Institute of OceanographyMinistry of Natural ResourcesHangzhou 310012China Key Laboratory of Marine Ecosystem DynamicsMinistry of Natural ResourcesHangzhou 310012China School of OceanographyShanghai Jiao Tong UniversityShanghai 200030China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Zhuhai 519080China 

出 版 物：《Acta Oceanologica Sinica》 (海洋学报（英文版）)

年 卷 期：2021年第40卷第12期

页      面：12-19页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学] 

基　　金：The National Natural Science Foundation of China under contract No.41806179 the China Ocean Mineral Resources Research and Development Association Program under contract Nos DY135-E2-2-03 and DY135-E2-2-07 

主　　题：Polynoidae new species systematics taxonomy commensalism 

摘      要：Alentiana has only one member,***(Verrill,1885),commensal with sea anemone(Bolocera tuediae).Here,Alentiana palinpoda ***.,a second member in the genus Alentiana(subfamily Lepidastheniinae),a new commensal polynoid is described,based on a specimen collected from a deep-water seamount in the Northwest Pacific *** new species is characterized by large elytra that completely cover the dorsum and are present in every third segment in the posterior *** are truncated,with two types of neurochaetae;supraacicular chaetae toothed on one side with a slightly inflated end,and subacicular chaetae that are heavy and smooth;the prechaetal lobe is larger than the postchaetal lobe,with the ventral part rolling upward and backward.