318 lines
31 KiB
XML
318 lines
31 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="9660A6AD42CA51EBB6A588DA7D5BABCE" 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 chambersae Grosse & Capa & Bakken 2021, sp. nov." docType="treatment" docUuid="F973A1E3-5203-40B4-8C7B-173620CFA091" 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:part>
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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="182256070" LSID="urn:lsid:zoobank.org:act:F973A1E3-5203-40B4-8C7B-173620CFA091" httpUri="http://treatment.plazi.org/id/9660A6AD42CA51EBB6A588DA7D5BABCE" 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/F973A1E3-5203-40B4-8C7B-173620CFA091" authority="Grosse & Capa & Bakken, 2021" authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae" status="sp. nov.">Chaetozone chambersae</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="139">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">Figure 11</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. 12
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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="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="2008-07-18" elevation="56" latitude="58.27425" location="North Sea" longLatPrecision="1" longitude="-2.644216" 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:9660A6AD42CA51EBB6A588DA7D5BABCE:3505F39E01E54C45BC4CE5E19F9879A8" latitude="58.27425" longLatPrecision="1" longitude="-2.644216" name="North Sea">North Sea</location>
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• 1 ind.;
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<geoCoordinate degrees="58.274250" direction="north" orientation="latitude" precision="1" value="58.27425">58.274250°N</geoCoordinate>
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,
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<geoCoordinate degrees="2.644216" direction="west" orientation="longitude" precision="1" value="-2.644216">2.644216°W</geoCoordinate>
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;
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<collectingDate value="2008-07-18">18 Jul. 2008</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="5.6" unit="m" value="56.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="5.6" unit="m" value="56.0">56 m</elevation>
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</quantity>
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; NTNU-VM74546
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</materialsCitation>
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.
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<materialsCitation collectingDate="2008-07-17" collectingDateMax="2010-09-14" collectingDateMin="2008-07-17" elevation="22" latitude="51.3575" location="North Sea" longLatPrecision="6" longitude="2.8041" 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:9660A6AD42CA51EBB6A588DA7D5BABCE:C878F3029B858C633177011DF3685D4C" latitude="51.3575" longLatPrecision="6" longitude="2.8041" name="North Sea">North Sea</location>
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• 3 ind.;
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<geoCoordinate degrees="51.354333" direction="north" orientation="latitude" precision="1" value="51.354332">51.354333°N</geoCoordinate>
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,
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<geoCoordinate degrees="2.796667" direction="east" orientation="longitude" precision="1" value="2.796667">2.796667°E</geoCoordinate>
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;
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<collectingDate value="2010-09-14">14 Sep. 2010</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="2.2" unit="m" value="22.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="2.2" unit="m" value="22.0">22 m</elevation>
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</quantity>
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; NTNU-VM74486-74487, ZMBN129642 • 1 ind.;
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<geoCoordinate degrees="57.777177" direction="north" orientation="latitude" precision="1" value="57.777176">57.777177°N</geoCoordinate>
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,
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<geoCoordinate degrees="2.905357" direction="west" orientation="longitude" precision="1" value="-2.905357">2.905357°W</geoCoordinate>
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;
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<collectingDate value="2008-07-17">17 Jul. 2008</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="3.7" unit="m" value="37.0">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="3.7" unit="m" value="37.0">37 m</elevation>
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</quantity>
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; NTNU-VM74537 • 1 ind.;
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<geoCoordinate degrees="51.352833" direction="north" orientation="latitude" precision="1" value="51.352833">51.352833°N</geoCoordinate>
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,
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<geoCoordinate degrees="2.862" direction="east" orientation="longitude" precision="55" value="2.862">2.862°E</geoCoordinate>
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;
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<collectingDate value="2010-09-14">14 Sep. 2010</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="1.89" unit="m" value="18.9">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="1.89" unit="m" value="18.9">18.9 m</elevation>
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</quantity>
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; NTNU-VM74483 • 1 ind.;
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<geoCoordinate degrees="51.3575" direction="north" orientation="latitude" precision="5" value="51.3575">51.3575°N</geoCoordinate>
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,
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<geoCoordinate degrees="2.8041" direction="east" orientation="longitude" precision="5" value="2.8041">2.8041°E</geoCoordinate>
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;
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<collectingDate value="2010-09-14">14 Sep. 2010</collectingDate>
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;
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<quantity metricMagnitude="1" metricUnit="m" metricValue="2.15" unit="m" value="21.5">
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<elevation metricMagnitude="1" metricUnit="m" metricValue="2.15" unit="m" value="21.5">21.5 m</elevation>
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</quantity>
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; NTNU-VM74485
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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="materials_examined">
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<paragraph pageId="0" pageNumber="139">Comparative material.</paragraph>
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<paragraph pageId="0" pageNumber="139">
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<taxonomicName class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone christiei" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="christiei">
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<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone christiei</emphasis>
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</taxonomicName>
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:
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<materialsCitation collectingDate="1982-11" latitude="55.32" location="North Sea" longLatPrecision="639" longitude="-1.36" specimenCount="1" typeStatus="Holotype">
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<typeStatus>Holotype</typeStatus>
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:
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<location LSID="urn:lsid:plazi:treatment:9660A6AD42CA51EBB6A588DA7D5BABCE:B1FA3BD112B5EA0E762B5AE2F69C880F" latitude="55.32" longLatPrecision="639" longitude="-1.36" name="North Sea">North Sea</location>
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• 1 ind.;
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<collectingDate value="1982-11">Nov. 1982</collectingDate>
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;
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<geoCoordinate degrees="55.32" direction="north" orientation="latitude" precision="555" value="55.32">55.32°N</geoCoordinate>
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,
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<geoCoordinate degrees="1.36" direction="west" orientation="longitude" precision="555" value="-1.36">1.36°W</geoCoordinate>
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; NMSZ.1998. 122
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</materialsCitation>
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.
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<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" location="North Sea" specimenCount="1" typeStatus="Paratypes">
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<typeStatus>Paratypes</typeStatus>
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:
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<location LSID="urn:lsid:plazi:treatment:9660A6AD42CA51EBB6A588DA7D5BABCE:CB305211637D6A0E95B42ED76CBAEE75" name="North Sea">North Sea</location>
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• 2 ind
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</materialsCitation>
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.;
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<date value="1982-11">Nov. 1982</date>
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;
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<geoCoordinate degrees="55.32" direction="north" orientation="latitude" precision="555" value="55.32">55.32°N</geoCoordinate>
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, -
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<geoCoordinate degrees="1.36" direction="west" orientation="longitude" precision="555" value="-1.36">1.36°W</geoCoordinate>
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; NMSZ.1998.123.
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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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Dorsal and ventral grooves along the body; paired tentacles on the posterior margin of the peristomium; first branchiae between peristomium and first chaetiger, beside tentacles; capillary chaetae short and thick; 13-16 spines per parapodia in posterior segments (Fig.
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139" start="Figure 11" startId="F11">
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<paragraph pageId="0" pageNumber="139">
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<emphasis bold="true" pageId="0" pageNumber="139">Figure 11.</emphasis>
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<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae">
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<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone chambersae</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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paratype ZMBN129642, SEM of posterior neuropodia
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<emphasis bold="true" pageId="0" pageNumber="139">B</emphasis>
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paratype ZMBN129642, SEM of anterior end in dorso- lateral view
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<emphasis bold="true" pageId="0" pageNumber="139">C</emphasis>
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paratype NTNU-VM74486, anterior end in lateral view
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<emphasis bold="true" pageId="0" pageNumber="139">D</emphasis>
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paratype D NTNU-VM74487,cross section of posterior parapodia
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<emphasis bold="true" pageId="0" pageNumber="139">E</emphasis>
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holotype NTNU-VM74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment.
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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: 163: C; 517: G; 512-513: GG. 28S: 89: C; 638: T (based on 17 COI sequences and 10 28S 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 complete, 124 segments (84-129), 10 mm long (7.5-14) (Fig.
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11E</figureCitation>
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). Colour in ethanol white to light tan. Body elongate, narrowing anteriorly and posteriorly, round in cross section, dorsum and venter rounded. Anterior and midbody segments 5-6
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<normalizedToken originalValue="×">x</normalizedToken>
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wider than long. Posterior segments 1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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wider than long. Thin, shallow dorsal groove along most of body. Faint to distinct ventral groove along most of body.
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</paragraph>
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<paragraph pageId="0" pageNumber="139">
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Prostomium long like two third of peristomium, conical, blunt; eyespots absent; nuchal organs simple slits at posterior margin of prostomium. Peristomium as long as four or five segments, rarely with two distinct annulations, of approximately equal size, partially fused with chaetiger 1 posteriorly. Dorsal tentacles arising from the posterior margin of peristomium, well separated (Fig.
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11B, C</figureCitation>
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). First pair of branchiae arising between peristomium and chaetiger 1, just beside dorsal tentacles (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11B, C</figureCitation>
|
||
). Second pair of branchiae arising from posterior margin of chaetiger 1, dorsal to notochaetae (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11B</figureCitation>
|
||
). Subsequent chaetigers with 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, progressively developing posteriorly into elevated membranes and into incomplete cinctures around segment 90, arising laterally and dorsally, not developing ventrally (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11A, D</figureCitation>
|
||
). Approximately 20 capillary chaetae per anterior parapodia, short, smooth, thick, and sometimes darkly pigmented in anterior chaetigers (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11C</figureCitation>
|
||
). Seven or eight spines per neuropodia from segment 43-60, 6-8 in spines per notopodia from segment 46-67, short, unidentate, pointy, slightly curved, transparent (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11A, D</figureCitation>
|
||
). Alternating capillaries between most spines, rarely two between two spines, thin, up to three times longer than the spines in notopodia (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Chaetozone chambersae sp. nov. A paratype ZMBN 129642, SEM of posterior neuropodia B paratype ZMBN 129642, SEM of anterior end in dorso- lateral view C paratype NTNU-VM 74486, anterior end in lateral view D paratype D NTNU-VM 74487, cross section of posterior parapodia E holotype NTNU-VM 74546 in dorso-lateral view. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment." figureDoi="10.3897/zookeys.1039.61098.figure11" httpUri="https://binary.pensoft.net/fig/546239" pageId="0" pageNumber="139">11A, D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">Pygidium with terminal anus and with a small triangular ventral lobe.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="etymology">
|
||
<paragraph pageId="0" pageNumber="139">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">This species is named after Dr Susan Chambers, for her work on European cirratulids.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="139" type="remarks">
|
||
<paragraph pageId="0" pageNumber="139">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
This species is similar to
|
||
<taxonomicName lsidName="C. christiei" pageId="0" pageNumber="139" rank="species" species="christiei">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">C. christiei</emphasis>
|
||
</taxonomicName>
|
||
in general appearance and in having low, incomplete cinctures with short spines, although it has a few more spines per parapodia than
|
||
<taxonomicName lsidName="C. christiei" pageId="0" pageNumber="139" rank="species" species="christiei">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">C. christiei</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone chambersae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. differs from
|
||
<taxonomicName lsidName="C. christiei" pageId="0" pageNumber="139" rank="species" species="christiei">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">C. christiei</emphasis>
|
||
</taxonomicName>
|
||
in the position of the first pair of branchiae, which are on the posterior margin of the peristomium, beside the tentacular palps, rather than on the first chaetiger.
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone chambersae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. differs from
|
||
<taxonomicName lsidName="C. setosa" pageId="0" pageNumber="139" rank="species" species="setosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">C. setosa</emphasis>
|
||
</taxonomicName>
|
||
notably in the absence of a first achaetous segment and fewer, shorter spines.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone chambersae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is found in British waters, from where many European
|
||
<taxonomicName class="Polychaeta" family="Cirratulidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="" order="Terebellida" pageId="0" pageNumber="139" phylum="Annelida" rank="family">Cirratulidae</taxonomicName>
|
||
species are described. Particular care should be used when identifying cirratulids from this area because of the presence of several undescribed species (
|
||
<bibRefCitation DOI="https://doi.org/10.1017/S0025315400060938" author="Christie, G" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="139" pagination="239 - 254" refId="B13" refString="Christie, G, 1985. A Comparative Study of the Reproductive Cycles of Three Northumberland Populations of Chaetozone setosa (Polychaeta: Cirratulidae). Journal of the Marine Biological Association of the United Kingdom 65 (1): 239 - 254, DOI: https://doi.org/10.1017/S0025315400060938" title="A Comparative Study of the Reproductive Cycles of Three Northumberland Populations of Chaetozone setosa (Polychaeta: Cirratulidae)." url="https://doi.org/10.1017/S0025315400060938" volume="65" year="1985">Christie 1985</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Chambers, SJ" journalOrPublisher="Bulletin of Marine Science" pageId="0" pageNumber="139" pagination="587 - 596" refId="B10" refString="Chambers, SJ, 2000. A redescription of Chaetozone setosa Malmgren, 1867 including a definition of the genus, and a description of a new species of Chaetozone (Polychaeta: Cirratulidae) from the northeast Atlantic. Bulletin of Marine Science 67 (1): 587 - 596" title="A redescription of Chaetozone setosa Malmgren, 1867 including a definition of the genus, and a description of a new species of Chaetozone (Polychaeta: Cirratulidae) from the northeast Atlantic." volume="67" year="2000">Chambers 2000</bibRefCitation>
|
||
), the presence of variability in the type material of some species (e.g.,
|
||
<taxonomicName lsidName="C. christiei" pageId="0" pageNumber="139" rank="species" species="christiei">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">C. christiei</emphasis>
|
||
</taxonomicName>
|
||
) and the revelation of a much higher diversity that expected in this group (
|
||
<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>
|
||
). It will be important to get better understanding of the British fauna using DNA-based methods.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="139">
|
||
<taxonomicName authorityName="Grosse & Capa & Bakken" authorityYear="2021" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" lsidName="Chaetozone chambersae" order="Terebellida" pageId="0" pageNumber="139" phylum="Mollusca" rank="species" species="chambersae">
|
||
<emphasis italics="true" pageId="0" pageNumber="139">Chaetozone chambersae</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. COI distance with other species in the area generally ranges from 18% to 25% with a minimum at 10% 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. 11 (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">North Sea, northeast of Scotland, and off Belgium, from ~ 20 to 60 m depth.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |