New sponge species of the family Vulcanellidae (Demospongiae: Tetractinellida) from the Piip submarine volcano and adjacent areas (Bering Sea, NW Pacific)
{"title":"New sponge species of the family Vulcanellidae (Demospongiae: Tetractinellida) from the Piip submarine volcano and adjacent areas (Bering Sea, NW Pacific)","authors":"V.A. Shilov , Y.O. Kamenev , A.A. Semenchenko , S.I. Kiyashko , V.V. Mordukhovich","doi":"10.1016/j.dsr2.2022.105229","DOIUrl":null,"url":null,"abstract":"<div><p>Four new species of vulcanellid sponges (Demospongiae: Tetractinellida), <em>Poecillastra malyutini</em> sp. nov., <em>Vulcanella koltuni</em> sp. nov., <em>V. commander</em> sp. nov. and <em>V. grebelnyi</em><span><span> sp. nov., are described from the Piip submarine volcano and adjacent area (the </span>Bering Sea, North Pacific). This work includes materials sampled using the ROV </span><em>Comanche</em> 18 during the cruises of the RV <em>Akademik M.A. Lavrentyev</em><span> in 2016 and 2018. These specimens were studied and illustrated using light and electron (SEM) microscopy and micro-computed tomography<span> (micro-CT). The distribution of species is characterized by pronounced vertical zoning. In areas of hydrothermal vents<span> and on their periphery, Demospongiae are abundant with a pronounced dominance of a single species, </span></span></span><em>V. koltuni</em> sp. nov. The δ<sup>13</sup>C value for <em>V. koltuni</em> sp. nov. and <em>P. malyutini</em> sp. nov. from the volcano summits were almost 2-fold lower than for <em>V. commander</em><span> sp. nov. collected outside the areas of hydrothermal activity. These isotopic signatures indicate the organic matter of chemosynthetic origin in the diet of </span><em>V. koltuni</em> sp. nov. and <em>P. malyutini</em> sp. nov. Phylogenetic analysis based on 18S rDNA does not confirm the phylogenetic relationship of <em>Lamellomorpha</em> Bergquist, 1968 with the family Vulcanellidae Cárdenas, Xavier, Reveillaud, Schander & Rapp, 2011.</p></div>","PeriodicalId":11120,"journal":{"name":"Deep-sea Research Part Ii-topical Studies in Oceanography","volume":null,"pages":null},"PeriodicalIF":2.3000,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Deep-sea Research Part Ii-topical Studies in Oceanography","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0967064522002156","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OCEANOGRAPHY","Score":null,"Total":0}
引用次数: 1
Abstract
Four new species of vulcanellid sponges (Demospongiae: Tetractinellida), Poecillastra malyutini sp. nov., Vulcanella koltuni sp. nov., V. commander sp. nov. and V. grebelnyi sp. nov., are described from the Piip submarine volcano and adjacent area (the Bering Sea, North Pacific). This work includes materials sampled using the ROV Comanche 18 during the cruises of the RV Akademik M.A. Lavrentyev in 2016 and 2018. These specimens were studied and illustrated using light and electron (SEM) microscopy and micro-computed tomography (micro-CT). The distribution of species is characterized by pronounced vertical zoning. In areas of hydrothermal vents and on their periphery, Demospongiae are abundant with a pronounced dominance of a single species, V. koltuni sp. nov. The δ13C value for V. koltuni sp. nov. and P. malyutini sp. nov. from the volcano summits were almost 2-fold lower than for V. commander sp. nov. collected outside the areas of hydrothermal activity. These isotopic signatures indicate the organic matter of chemosynthetic origin in the diet of V. koltuni sp. nov. and P. malyutini sp. nov. Phylogenetic analysis based on 18S rDNA does not confirm the phylogenetic relationship of Lamellomorpha Bergquist, 1968 with the family Vulcanellidae Cárdenas, Xavier, Reveillaud, Schander & Rapp, 2011.
期刊介绍:
Deep-Sea Research Part II: Topical Studies in Oceanography publishes topical issues from the many international and interdisciplinary projects which are undertaken in oceanography. Besides these special issues from projects, the journal publishes collections of papers presented at conferences. The special issues regularly have electronic annexes of non-text material (numerical data, images, images, video, etc.) which are published with the special issues in ScienceDirect. Deep-Sea Research Part II was split off as a separate journal devoted to topical issues in 1993. Its companion journal Deep-Sea Research Part I: Oceanographic Research Papers, publishes the regular research papers in this area.