273 lines
27 KiB
XML
273 lines
27 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1039.61098" ID-GBIF-Dataset="c1bdc338-0b7e-42b2-92d6-b6ba8a0be2cb" ID-PMC="PMC8163715" ID-Pensoft-Pub="1313-2970-1039-139" ID-Pensoft-UUID="CE0AE9A0941A5036BDBBB43C3C4B2B4A" ID-PubMed="34113206" ID-ZooBank="F2F861A533DF4B61827DEB71AB97E97F" ModsDocID="1313-2970-1039-139" checkinTime="1621628215386" checkinUser="pensoft" docAuthor="Grosse, Mael, Capa, Maria & Bakken, Torkild" docDate="2021" docId="C8794CCFA41E5F8B9996E02D39383B47" docLanguage="en" docName="ZooKeys 1039: 139-176" docOrigin="ZooKeys 1039" docPubDate="2021-05-21" docSource="http://dx.doi.org/10.3897/zookeys.1039.61098" docTitle="Chaetozone quinta Grosse & Capa & Bakken 2021, sp. nov." docType="treatment" docUuid="12A6B992-A58C-42C5-9F71-5F6FCC3DD350" docUuidSource="ZooBank" docVersion="4" id="CE0AE9A0941A5036BDBBB43C3C4B2B4A" lastPageNumber="139" masterDocId="CE0AE9A0941A5036BDBBB43C3C4B2B4A" masterDocTitle="Describing the hidden species diversity of Chaetozone (Annelida, Cirratulidae) in the Norwegian Sea using morphological and molecular diagnostics" masterLastPageNumber="176" masterPageNumber="139" pageNumber="139" updateTime="1668152761992" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Describing the hidden species diversity of Chaetozone (Annelida, Cirratulidae) in the Norwegian Sea using morphological and molecular diagnostics</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Grosse, Mael</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-0977-1376</mods:nameIdentifier>
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<mods:affiliation>University of the Balearic Island, Department of Biology, Ctra. Valldemossa km 7.5, Balearic Islands, Spain & Norwegian University of Science and Technology, NTNU University Museum, Trondheim, Norway</mods:affiliation>
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<mods:nameIdentifier type="email">maelgrosse@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Capa, Maria</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-5063-7961</mods:nameIdentifier>
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<mods:affiliation>University of the Balearic Island, Department of Biology, Ctra. Valldemossa km 7.5, Balearic Islands, Spain & Norwegian University of Science and Technology, NTNU University Museum, Trondheim, Norway</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Bakken, Torkild</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-5188-7305</mods:nameIdentifier>
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<mods:affiliation>Norwegian University of Science and Technology, NTNU University Museum, Trondheim, Norway</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-05-21</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1039</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>139</mods:start>
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<mods:end>176</mods:end>
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</mods:extent>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1039.61098</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1039.61098</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1039-139</mods:identifier>
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<mods:identifier type="ZooBank">F2F861A533DF4B61827DEB71AB97E97F</mods:identifier>
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<mods:identifier type="Pensoft-UUID">CE0AE9A0941A5036BDBBB43C3C4B2B4A</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182256069" LSID="urn:lsid:zoobank.org:act:12A6B992-A58C-42C5-9F71-5F6FCC3DD350" httpUri="http://treatment.plazi.org/id/C8794CCFA41E5F8B9996E02D39383B47" lastPageNumber="139" pageId="0" pageNumber="139">
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<subSubSection pageId="0" pageNumber="139" type="nomenclature">
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<paragraph pageId="0" pageNumber="139">
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<taxonomicName LSID="http://zoobank.org/12A6B992-A58C-42C5-9F71-5F6FCC3DD350" authority="Grosse & Capa & Bakken, 2021" authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Chaetozone quinta" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="quinta" status="sp. nov.">Chaetozone quinta</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="139">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">Figure 7</figureCitation>
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</paragraph>
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</subSubSection>
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||
<subSubSection pageId="0" pageNumber="139" type="reference_group">
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<paragraph pageId="0" pageNumber="139">
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<taxonomicName authority="Grosse & Capa & Bakken, 2021" authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Chaetozone" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="genus" status="sp. nov.">Chaetozone</taxonomicName>
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sp. 5
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<bibRefCitation DOI="https://doi.org/10.1016/j.ympev.2020.106852" author="Grosse, M" journalOrPublisher="Molecular Ecology" pageId="0" pageNumber="139" refId="B26" refString="Grosse, M, Bakken, T, Nygren, A, Kongsrud, JA, Capa, M, 2020. Species delimitation analyses of NE Atlantic Chaetozone reveals hidden diversity among a common and abundant marine annelid. Molecular Phylogenetics and Evolution 149: e106852. https://doi.org/10.1016/j.ympev.2020.106852" title="Species delimitation analyses of NE Atlantic Chaetozone reveals hidden diversity among a common and abundant marine annelid. Molecular Phylogenetics and Evolution 149: e 106852." url="https://doi.org/10.1016/j.ympev.2020.106852" year="2020">Grosse et al. 2020</bibRefCitation>
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: fig. 4.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="139" type="type locality">
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<paragraph pageId="0" pageNumber="139">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="139">
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<normalizedToken originalValue="Søra">Sora</normalizedToken>
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Kjerringasundet, east of Sotra, Bergen, 75 m depth.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="139" type="materials_examined">
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<paragraph pageId="0" pageNumber="139">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="139">
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<materialsCitation collectingDate="2014-09-02" elevation="75" latitude="60.32652" location="North Sea" longLatPrecision="1" longitude="5.14085" specimenCount="1" typeStatus="Holotype">
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<emphasis bold="true" pageId="0" pageNumber="139">
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<emphasis italics="true" pageId="0" pageNumber="139">
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<typeStatus>Holotype</typeStatus>
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</emphasis>
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:
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</emphasis>
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<location LSID="urn:lsid:plazi:treatment:C8794CCFA41E5F8B9996E02D39383B47:056FA3F1D1ADF886248B99EFCBE523B1" latitude="60.32652" longLatPrecision="1" longitude="5.14085" name="North Sea">North Sea</location>
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• 1 ind.;
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<geoCoordinate degrees="60.32652" direction="north" orientation="latitude" precision="1" value="60.32652">60.32652°N</geoCoordinate>
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,
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<geoCoordinate degrees="5.14085" direction="east" orientation="longitude" precision="1" value="5.14085">5.14085°E</geoCoordinate>
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;
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<collectingDate value="2014-09-02">02 Sep. 2014</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="7.5" unit="m" value="75.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="7.5" unit="m" value="75.0">75 m</elevation>
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</quantity>
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; ZMBN125802
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</materialsCitation>
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.
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<materialsCitation collectingDate="2015-07-15" collectingDateMax="2015-11-30" collectingDateMin="2015-07-15" elevation="161" latitude="60.50728" location="North Sea" longLatPrecision="1" longitude="5.00028" specimenCount="1" typeStatus="Paratypes">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="139">
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<typeStatus>Paratypes</typeStatus>
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</emphasis>
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:
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<location LSID="urn:lsid:plazi:treatment:C8794CCFA41E5F8B9996E02D39383B47:44EEA814598AB4176F113F92D19084B5" latitude="60.50728" longLatPrecision="1" longitude="5.00028" name="North Sea">North Sea</location>
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• 1 ind.;
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<geoCoordinate degrees="61.04889" direction="north" orientation="latitude" precision="1" value="61.04889">61.04889°N</geoCoordinate>
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,
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<geoCoordinate degrees="4.9723" direction="east" orientation="longitude" precision="5" value="4.9723">4.9723°E</geoCoordinate>
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;
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<collectingDate value="2015-07-15">15 Jul. 2015</collectingDate>
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;
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<quantity metricMagnitude="2" metricUnit="m" metricValue="1.61" unit="m" value="161.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="1.61" unit="m" value="161.0">161 m</elevation>
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</quantity>
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; ZMBN125777 • 1 ind.;
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<geoCoordinate degrees="60.50728" direction="north" orientation="latitude" precision="1" value="60.50728">60.50728°N</geoCoordinate>
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,
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<geoCoordinate degrees="5.00028" direction="east" orientation="longitude" precision="1" value="5.00028">5.00028°E</geoCoordinate>
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;
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<collectingDate value="2015-11-30">30 Nov. 2015</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="6.6" unit="m" value="66.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="6.6" unit="m" value="66.0">66 m</elevation>
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</quantity>
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; ZMBN125807
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</materialsCitation>
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.
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<emphasis bold="true" pageId="0" pageNumber="139">Other material examined.</emphasis>
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<materialsCitation collectingDate="2018-04-10" elevation="92" latitude="60.355133" location="North Sea" longLatPrecision="1" longitude="5.168967" specimenCount="1">
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<location LSID="urn:lsid:plazi:treatment:C8794CCFA41E5F8B9996E02D39383B47:1C8E918688B3FAA83EC6713D499AC9DA" latitude="60.355133" longLatPrecision="1" longitude="5.168967" name="North Sea">North Sea</location>
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• 3 ind.;
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<geoCoordinate degrees="60.355133" direction="north" orientation="latitude" precision="1" value="60.355133">60.355133°N</geoCoordinate>
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,
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<geoCoordinate degrees="5.168967" direction="east" orientation="longitude" precision="1" value="5.168967">5.168967°E</geoCoordinate>
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;
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<collectingDate value="2018-04-10">10 Apr. 2018</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="9.2" unit="m" value="92.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="9.2" unit="m" value="92.0">92 m</elevation>
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</quantity>
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; ZMBN138610-138612
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="139" type="diagnosis">
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<paragraph pageId="0" pageNumber="139">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="139">
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Prostomium ventrally bi-annulated; peristomium short and without annulations; wide ventral groove; paired tentacles and first branchiae on segment 1 (achaetous); posterior segments developed in incomplete cinctures bearing 9-11 spines per parapodia (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139" start="Figure 7" startId="F7">
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<paragraph pageId="0" pageNumber="139">
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<emphasis bold="true" pageId="0" pageNumber="139">Figure 7.</emphasis>
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<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone quinta" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="quinta">
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<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone quinta</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="139">A</emphasis>
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ZMBN138610, anterior end in lateral view, stained with Shirlastain A
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<emphasis bold="true" pageId="0" pageNumber="139">B</emphasis>
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paratype ZMBN125807, SEM of neuropodial spine
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<emphasis bold="true" pageId="0" pageNumber="139">C</emphasis>
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holotype ZMBN125802 in lateral view, stained with Shirlastain A
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<emphasis bold="true" pageId="0" pageNumber="139">D</emphasis>
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paratype ZMBN125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="139" type="molecular diagnosis">
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<paragraph pageId="0" pageNumber="139">Molecular diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="139">COI: 446: T; 475: G; 539: T; 548: T; 607: G; 349-350: GG; 361-362: AG; 486-487: TA (based on 2 COI sequences).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="139" type="description">
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<paragraph pageId="0" pageNumber="139">Description.</paragraph>
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<paragraph pageId="0" pageNumber="139">
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A medium species, holotype incomplete, 61-70 segments, 6-8 mm long, 0.6-1 mm wide. Colour of ethanol preserved specimens white to light tan. Body elongate, narrowing progressively anteriorly, 2-3
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<normalizedToken originalValue="×">x</normalizedToken>
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wider at anterior third than at anterior end. Round in cross section anteriorly, widening progressively to a flatten oval at anterior third. Anterior segments 5
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<normalizedToken originalValue="×">x</normalizedToken>
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higher and wider than long. Midbody segments 10
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<normalizedToken originalValue="×">x</normalizedToken>
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wider and 5
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<normalizedToken originalValue="×">x</normalizedToken>
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higher than long. Posterior segments 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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higher and 3
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<normalizedToken originalValue="×">x</normalizedToken>
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wider than long. Thin shallow dorsal groove, best visible anteriorly. Wide shallow ventral groove along entire body (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7C</figureCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="139">
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Prostomium longer than peristomium, conical, tapering to rounded anterior tip; with ventrally and laterally distinct posterior annulation above mouth, as long as segment 1; eyespots absent; nuchal organs simple slits at posterior margin of prostomium, above posterior annulation (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7A</figureCitation>
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). Peristomium short, as long as segment 1 ventrally, as long as two segments dorsally, without annulations, overlapping with prostomium anteriorly (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7A</figureCitation>
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). Dorsal tentacles arising from segment 1 (achaetous), well separated (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7A</figureCitation>
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). First pair of branchiae arising from segment 1, immediately behind tentacles (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7A</figureCitation>
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). Segment 1 longer than chaetiger 1, achaetous, weekly bi-annulated (Fig.
|
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7A</figureCitation>
|
||
). Second pair of branchiae arising from chaetiger 1, dorsal and slightly posterior to parapodia (Fig.
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Chaetozone pseudosetosa sp. nov., holotype ZMBN 125756 A holotype in ventral view, stained with Shirlastain A B holotype in dorsal view, stained with Shirlastain A. Abbreviations: br, branchiae; dGr, dorsal groove; per, peristomium; vGr, ventral groove; a star (*) indicates where parapodia were removed for DNA analyses." figureDoi="10.3897/zookeys.1039.61098.figure5" httpUri="https://binary.pensoft.net/fig/546233" pageId="0" pageNumber="139">5A</figureCitation>
|
||
). Subsequent branchiae similarly placed. Branchiae or branchial scars present on most chaetigers until development of cinctures.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
Parapodia as low mounds or ridges in anterior and middle segments, developing into relatively low incomplete cinctures from segment 45-50, arising on each side but not completing over venter and dorsum. Five or six short capillaries in neuropodia throughout, in notopodia from development of spines, smooth; 5-7 medium capillaries in notopodia, from chaetigers 1-29, twice as long as neuropodial capillaries, smooth; one or two long capillaries in notopodia from segment 12 to 27-29, smooth (Fig.
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7D</figureCitation>
|
||
). Five or six spines per neuropodia from segment 27-29, four or five spines per notopodia from segments 31 or 32, unidentate, short, rather spread out (Fig.
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Chaetozone quinta sp. nov. A ZMBN 138610, anterior end in lateral view, stained with Shirlastain A B paratype ZMBN 125807, SEM of neuropodial spine C holotype ZMBN 125802 in lateral view, stained with Shirlastain A D paratype ZMBN 125807, SEM of capillary chaetae. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; mo, mouth; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment; vGr, ventral groove." figureDoi="10.3897/zookeys.1039.61098.figure7" httpUri="https://binary.pensoft.net/fig/546235" pageId="0" pageNumber="139">7B</figureCitation>
|
||
). Alternating capillaries between most spines except ventralmost, slightly longer than spines.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">Pygidium with terminal anus and with a short, rounded ventral lobe.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="methylene blue staining pattern">
|
||
<paragraph pageId="0" pageNumber="139">Methylene blue staining pattern.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">Prostomium except tip, peristomium and sides of segment 1 retain a dark blue stain, while rest of body does not stain.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="etymology">
|
||
<paragraph pageId="0" pageNumber="139">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
<taxonomicName authorityName="Evans" authorityYear="1955" class="Hexapoda" family="Hesperiidae" genus="Quinta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Quinta" order="Lepidoptera" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Quinta</emphasis>
|
||
</taxonomicName>
|
||
is the cardinal adjective for fifth in the feminine nominative singular, as this species has always been "
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone</emphasis>
|
||
</taxonomicName>
|
||
sp. 5". It is also named with a thought for a friend and colleague who is named after the same number.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="remarks">
|
||
<paragraph pageId="0" pageNumber="139">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
This species is easily distinguished from other species of
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone</emphasis>
|
||
</taxonomicName>
|
||
in Norwegian waters by its distinct bi-annulated prostomium, short peristomium, and segment 1 (achaetous) bearing both tentacles and first branchiae. For other species of
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone</emphasis>
|
||
</taxonomicName>
|
||
in the area, prostomium is always simple. The methylene blue staining pattern is also unique and easily recognisable, with most of prostomium except the distal tip, peristomium and sides of segment 1 retaining a dark blue pattern, unlike the rest of the body.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone quinta" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="quinta">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone quinta</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. COI distance with other species in the area mostly ranges from 23% to 28%, with a minimum of 9% with
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone</emphasis>
|
||
</taxonomicName>
|
||
sp. 4 (Table
|
||
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. COI p-distances between and within Norwegian Chaetozone species. The number of base differences per site from averaging over all sequence pairs within each group are shown. Species described and discussed in this paper are denoted with an " ° "." httpUri="http://table.plazi.org/id/2F53ECA24C510685DFC059FF9116B1D4" pageId="0" pageNumber="139" tableUuid="2F53ECA24C510685DFC059FF9116B1D4">2</tableCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="distribution">
|
||
<paragraph pageId="0" pageNumber="139">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">Norwegian coast and shelf, ~ 60-160 m depth.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |