treatments-xml/data/A1/7B/B2/A17BB254A579B658FD9CFC45904EF85E.xml

<document id="2034344CE5E09476FD9702F478147D6F" ID-CLB-Dataset="9763" ID-DOI="10.5852/ejt.2020.720.1111" ID-GBIF-Dataset="fc802397-f995-4145-93d7-fee098887602" ID-Zenodo-Dep="4068434" ID-ZooBank="A1B44ABD-A7B7-40EF-A036-A0EBBC1FF360" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1601995137309" checkinUser="valdenar" docAuthor="Moore, Jenna M., Gagnon, Jean-Marc &amp; Petersen, Mary E." docDate="2020" docId="A17BB254A579B658FD9CFC45904EF85E" docLanguage="en" docName="ejt-720_moore_gagnon_petersen.pdf.imf" docOrigin="European Journal of Taxonomy 720" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Chaetopterus bruneli Moore &amp; Gagnon &amp; Petersen 2020, sp. nov." docType="treatment" docUuid="A18C3F2E-B79B-4617-9E06-E1C665C9729A" docUuidSource="ZooBank" docVersion="13" lastPageNumber="30" masterDocId="5D42CA2CA57EB653FFF5FFC9936EFFB7" masterDocTitle="A new species of Chaetopterus (Annelida: Chaetopteridae) from eastern Canada, with a redescription of Chaetopterus norvegicus M. Sars, 1835" masterLastPageNumber="34" masterPageNumber="19" pageNumber="26" updateTime="1698846023984" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="FA667CDD2345841806B99D0A47A34ADF">A new species of Chaetopterus (Annelida: Chaetopteridae) from eastern Canada, with a redescription of Chaetopterus norvegicus M. Sars, 1835</mods:title>
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<mods:name id="7A04B0FE1BC0EC7213A0AEEFF8E26E1B" type="personal">
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<mods:namePart id="41C1F9C90107BAD43A9F792BE7C1BBF2">Moore, Jenna M.</mods:namePart>
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<mods:affiliation id="FF517D6EFF938A22F508E2D831D97986">Florida Museum of Natural History, University of Florida, Dickinson Hall, 1659 Museum Road, Gainesville, FL 32611, USA. Department of Invertebrate Zoology, Smithsonian National Museum of Natural History, MRC- 163, P. O. Box 37012, Washington, DC, 20013 - 7012, USA. Research &amp; Collections Division, Canadian Museum of Nature, P. O. Box 3443, Station D, Ottawa, ON K 1 P 6 P 4, Canada.</mods:affiliation>
<mods:nameIdentifier id="D94D7573045FE0ED2340C26C512107CA" type="email">jennamoore.work@gmail.com</mods:nameIdentifier>
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<mods:namePart id="4A6E8E9C4EEA5BE21FB365C3FE56D98A">Gagnon, Jean-Marc</mods:namePart>
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<mods:affiliation id="117BF502D73570E7D6B7D400FD9AB545">Research &amp; Collections Division, Canadian Museum of Nature, P. O. Box 3443, Station D, Ottawa, ON K 1 P 6 P 4, Canada.</mods:affiliation>
<mods:nameIdentifier id="71B654573D721328EA6C6687039B3FE0" type="email">JMGAGNON@nature.ca</mods:nameIdentifier>
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<mods:namePart id="41798BB768773C7DA815B397DAE03E5D">Petersen, Mary E.</mods:namePart>
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<mods:affiliation id="BCD1FDECD3282DE33C15FC58AA238524">Former address: Darling Marine Center, University of Maine, 193 Clark’s Cove Road, Walpole, Maine, 04573 - 3307, USA.</mods:affiliation>
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<mods:title id="7BB5DFB46ED50D2D84C1D45164350163">European Journal of Taxonomy</mods:title>
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<mods:date id="AC04EE448E434876D293892691A01179">2020</mods:date>
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<mods:number id="DFA2C3993227181951CB958747976DE1">2020-10-06</mods:number>
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<treatment id="A17BB254A579B658FD9CFC45904EF85E" ID-DOI="http://doi.org/10.5281/zenodo.4324047" ID-GBIF-Taxon="168238909" ID-Zenodo-Dep="4324047" LSID="urn:lsid:zoobank.org:act:A18C3F2E-B79B-4617-9E06-E1C665C9729A" httpUri="http://treatment.plazi.org/id/A17BB254A579B658FD9CFC45904EF85E" lastPageId="11" lastPageNumber="30" pageId="7" pageNumber="26">
<subSubSection id="61C850C9A579B654FD9CFC4590A5FC10" box="[617,971,908,935]" pageId="7" pageNumber="26" type="nomenclature">
<paragraph id="296D0342A579B654FD9CFC4590A5FC10" blockId="7.[368,1219,908,1009]" box="[617,971,908,935]" pageId="7" pageNumber="26">
<heading id="7225B42EA579B654FD9CFC4590A5FC10" box="[617,971,908,935]" centered="true" fontSize="11" level="2" pageId="7" pageNumber="26" reason="2">
<taxonomicName id="EED278C1A579B654FD9CFC459007FC10" ID-CoL="85RBK" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[617,873,908,935]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="7" pageNumber="26" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A579B654FD9CFC459007FC10" bold="true" box="[617,873,908,935]" italics="true" pageId="7" pageNumber="26">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA579B654FC84FC4490A5FC10" box="[881,971,909,935]" pageId="7" pageNumber="26" rank="species">sp. nov.</taxonomicNameLabel>
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<subSubSection id="61C850C9A579B654FE85FC7B9038FC46" pageId="7" pageNumber="26" type="description">
<paragraph id="296D0342A579B654FE85FC7B97ADFC7A" blockId="7.[368,1219,908,1009]" box="[368,1219,946,973]" pageId="7" pageNumber="26">
<uri id="5D430F40A579B654FE85FC7B97ADFC7A" box="[368,1219,946,973]" pageId="7" pageNumber="26">
urn:lsid:zoobank.org:act: 
<uuid id="5D743997A579B654FD67FC7B97ADFC7A" box="[658,1219,946,973]" pageId="7" pageNumber="26">A18C3F2E-B79B-4617-9E06-E1C665C9729A</uuid>
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<paragraph id="296D0342A579B654FD28FC1E9038FC46" blockId="7.[368,1219,908,1009]" box="[733,854,983,1009]" pageId="7" pageNumber="26">
<figureCitation id="B1E91FC7A579B654FD28FC1E9046FC46" box="[733,808,983,1009]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="7" pageNumber="26">Figs 2</figureCitation>
, 
<figureCitation id="B1E91FC7A579B654FCC1FC1E9038FC46" box="[820,854,983,1009]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="7" pageNumber="26">3B</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="61C850C9A579B654FF48FBD290B8FAF1" pageId="7" pageNumber="26" type="diagnosis">
<paragraph id="296D0342A579B654FF48FBD29258FB82" blockId="7.[189,310,1051,1077]" box="[189,310,1051,1077]" pageId="7" pageNumber="26">
<heading id="7225B42EA579B654FF48FBD29258FB82" bold="true" box="[189,310,1051,1077]" fontSize="11" level="3" pageId="7" pageNumber="26" reason="3">
<emphasis id="1BA6DF50A579B654FF48FBD29258FB82" bold="true" box="[189,310,1051,1077]" pageId="7" pageNumber="26">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="296D0342A579B654FF48FB8590B8FAF1" blockId="7.[189,1399,1100,1351]" pageId="7" pageNumber="26">
Small, epifaunal 
<taxonomicName id="EED278C1A579B654FE62FB85915BFBD1" authorityName="Cuvier" authorityYear="1830" box="[407,565,1100,1126]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="7" pageNumber="26" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A579B654FE62FB85915BFBD1" box="[407,565,1100,1126]" italics="true" pageId="7" pageNumber="26">Chaetopterus</emphasis>
</taxonomicName>
inhabiting a pale cream to tan, laminated, crescent-shaped tube. Segmental distribution 9A+5B+4–6C. Neuropodia absent in region A. Parapodia of B1 not posteriorly displaced from segment A-last. Segment B2 short, dorsal surface not fleshy. B1 and B2 neuropodia with four completely unfused, discrete lobes. With 3–8 small, light brown cutting notochaetae on segment A4, in an inconspicuous ventral fascicle. Uncini tooth distribution as follows: A9 neuropodia absent, B1 anterior lobe with 6–8 teeth, B1 posterior lobe with 5–7, B3 piston tori with 5–6, B3 ventral lobes with 5 teeth, C1 lateral lobes with 6–7, C1 ventral lobes with 8–10 teeth.
</paragraph>
</subSubSection>
<subSubSection id="61C850C9A579B654FF48FAB997DBF9B2" pageId="7" pageNumber="26" type="etymology">
<paragraph id="296D0342A579B654FF48FAB9922AFA3D" blockId="7.[189,324,1392,1418]" box="[189,324,1392,1418]" pageId="7" pageNumber="26">
<heading id="7225B42EA579B654FF48FAB9922AFA3D" bold="true" box="[189,324,1392,1418]" fontSize="11" level="3" pageId="7" pageNumber="26" reason="3">
<emphasis id="1BA6DF50A579B654FF48FAB9922AFA3D" bold="true" box="[189,324,1392,1418]" pageId="7" pageNumber="26">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="296D0342A579B654FF48FA6997DBF9B2" blockId="7.[189,1398,1440,1541]" pageId="7" pageNumber="26">This species is named in honour of Dr. Pierre Brunel, Université de Montréal, who has made a significant contribution to the study of deep-water benthic invertebrate communities in the Estuary and Gulf of St. Lawrence (EGSL) during his career. The specific epithet is a noun in the genitive case.</paragraph>
</subSubSection>
<subSubSection id="61C850C9A579B654FF48F9E791B4F85E" pageId="7" pageNumber="26" type="materials_examined">
<paragraph id="296D0342A579B654FF48F9E792C4F9FF" blockId="7.[189,426,1582,1608]" box="[189,426,1582,1608]" pageId="7" pageNumber="26">
<heading id="7225B42EA579B654FF48F9E792C4F9FF" bold="true" box="[189,426,1582,1608]" fontSize="11" level="3" pageId="7" pageNumber="26" reason="3">
<emphasis id="1BA6DF50A579B654FF48F9E792C4F9FF" bold="true" box="[189,426,1582,1608]" pageId="7" pageNumber="26">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="296D0342A579B654FF1FF9969232F9CE" blockId="7.[189,1399,1631,1733]" box="[234,348,1631,1657]" pageId="7" pageNumber="26">
<emphasis id="1BA6DF50A579B654FF1FF9969232F9CE" bold="true" box="[234,348,1631,1657]" pageId="7" pageNumber="26">
<typeStatus id="F669BDE0A579B654FF1FF9969232F9CE" box="[234,348,1631,1657]" pageId="7" pageNumber="26" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="296D0342A579B654FF48F94C977FF972" blockId="7.[189,1399,1631,1733]" pageId="7" pageNumber="26">
<materialsCitation id="99BA091FA579B654FF48F94C977FF972" ID-GBIF-Occurrence="2871638304" collectedFrom="epifaunal on surface of muddy sediment" collectingDate="1992-05-13" collectionCode="CMNA" collectorName="Jean-Marc Gagnon" country="Canada" elevation="350" latitude="48.7033" location="St. Lawrence Estuary" longLatPrecision="6" longitude="-68.5663" pageId="7" pageNumber="26" specimenCode="CMNA 2015-0016" specimenCount="1" typeStatus="holotype">
<collectingCountry id="51C543D2A579B654FF48F94C9257F928" box="[189,313,1669,1695]" name="Canada" pageId="7" pageNumber="26">CANADA</collectingCountry>
• 
<location id="2C0D5599A579B654FEA1F94C913DF928" LSID="urn:lsid:plazi:treatment:A17BB254A579B658FD9CFC45904EF85E:2C0D5599A579B654FEA1F94C913DF928" box="[340,595,1669,1695]" country="Canada" latitude="48.7033" longLatPrecision="6" longitude="-68.5663" name="St. Lawrence Estuary" pageId="7" pageNumber="26">St. Lawrence Estuary</location>
, 
<collectedFrom id="9ACE40BFA579B654FD95F94D972FF929" box="[608,1089,1668,1695]" pageId="7" pageNumber="26">epifaunal on surface of muddy sediment</collectedFrom>
; 
<geoCoordinate id="4CE66585A579B654FBBBF94C97B8F928" box="[1102,1238,1669,1695]" degrees="48.7033" direction="north" orientation="latitude" pageId="7" pageNumber="26" precision="5" value="48.7033">48.7033º N</geoCoordinate>
, 
<geoCoordinate id="4CE66585A579B654FB16F94D961CF928" box="[1251,1394,1668,1695]" degrees="68.5663" direction="west" orientation="longitude" pageId="7" pageNumber="26" precision="5" value="-68.5663">68.5663º W</geoCoordinate>
; depth 
<quantity id="EE2AAEA7A579B654FEF0F963923DF973" box="[261,339,1706,1733]" metricMagnitude="2" metricUnit="m" metricValue="3.5" pageId="7" pageNumber="26" unit="m" value="350.0">
<elevation id="A2FFE471A579B654FEF0F963923DF973" box="[261,339,1706,1733]" metricMagnitude="2" metricUnit="m" metricValue="3.5" pageId="7" pageNumber="26" unit="m" value="350.0">350 m</elevation>
</quantity>
; 
<date id="5D6C2582A579B654FEAAF9639290F973" box="[351,510,1706,1732]" pageId="7" pageNumber="26" value="1992-05-13">
<collectingDate id="4D28DC6AA579B654FEAAF9639290F973" box="[351,510,1706,1732]" pageId="7" pageNumber="26" value="1992-05-13">13 May 1992</collectingDate>
</date>
, 
<collectorName id="84276694A579B654FDFFF9639184F973" box="[522,746,1706,1732]" pageId="7" pageNumber="26">Jean-Marc Gagnon</collectorName>
leg.; 
<specimenCode id="7974AB39A579B654FCD9F9639763F972" box="[812,1037,1706,1733]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0016</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="296D0342A579B654FF1FF9279209F8BF" blockId="7.[189,1399,1774,2025]" box="[234,359,1774,1800]" pageId="7" pageNumber="26">
<emphasis id="1BA6DF50A579B654FF1FF9279209F8BF" bold="true" box="[234,359,1774,1800]" pageId="7" pageNumber="26">
<typeStatus id="F669BDE0A579B654FF1FF9279209F8BF" box="[234,359,1774,1800]" pageId="7" pageNumber="26" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="296D0342A579B654FF48F8DA91B4F85E" blockId="7.[189,1399,1774,2025]" pageId="7" pageNumber="26">
<materialsCitation id="99BA091FA579B654FF48F8DA90CEF8E4" ID-GBIF-Occurrence="2871638302" collectingDate="1992-05-13" collectionCode="CMNA" collectorName="Jean-Marc Gagnon" country="Canada" elevation="350" latitude="48.7033" location="CANADA" longLatPrecision="6" longitude="-68.5663" pageId="7" pageNumber="26" specimenCode="CMNA 2015-0001, CMNA 2015-0004, CMNA 2015-0011, CMNA 2015-0015, CMNA 2015-0017" specimenCount="10" typeStatus="paratype">
<collectingCountry id="51C543D2A579B654FF48F8DA9257F89A" box="[189,313,1811,1837]" name="Canada" pageId="7" pageNumber="26">CANADA</collectingCountry>
• 
<specimenCount id="3FD4C8CBA579B654FEA0F8DA92D0F89A" box="[341,446,1811,1837]" pageId="7" pageNumber="26">10 specs</specimenCount>
; same collection data as for holotype; 
<specimenCode id="7974AB39A579B654FC7FF8DA9706F899" box="[906,1128,1811,1838]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0001</specimenCode>
to 
<specimenCode id="7974AB39A579B654FB64F8DA961CF899" box="[1169,1394,1811,1838]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0004</specimenCode>
, 
<specimenCode id="7974AB39A579B654FF48F8F192F3F8E4" box="[189,413,1848,1875]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0011</specimenCode>
to 
<specimenCode id="7974AB39A579B654FE3FF8F191C1F8E4" box="[458,687,1848,1875]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0015</specimenCode>
, 
<specimenCode id="7974AB39A579B654FD4AF8F190CEF8E4" box="[703,928,1848,1875]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0017</specimenCode>
</materialsCitation>
• 
<materialsCitation id="99BA091FA579B654FC34F8F190D7F8CF" ID-GBIF-Occurrence="2871638305" collectingDate="1990-11-01" collectionCode="CMNA" collectorName="Jean-Marc Gagnon" country="Canada" elevation="350" latitude="48.7033" location="St. Lawrence Estuary" longLatPrecision="6" longitude="-68.5663" pageId="7" pageNumber="26" specimenCode="CMNA 2015-0005, CMNA 2015-0007" specimenCount="3" typeStatus="paratype">
<specimenCount id="3FD4C8CBA579B654FC34F8F19770F8E4" box="[961,1054,1848,1875]" pageId="7" pageNumber="26">3 specs</specimenCount>
; same collection data as for holotype; 
<date id="5D6C2582A579B654FEC1F89792A7F8CF" box="[308,457,1886,1912]" pageId="7" pageNumber="26" value="1990-11-01">
<collectingDate id="4D28DC6AA579B654FEC1F89792A7F8CF" box="[308,457,1886,1912]" pageId="7" pageNumber="26" value="1990-11-01">1 Nov. 1990</collectingDate>
</date>
; 
<specimenCode id="7974AB39A579B654FE23F89791DAF8CF" box="[470,692,1885,1912]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0005</specimenCode>
to 
<specimenCode id="7974AB39A579B654FD2EF89790D7F8CF" box="[731,953,1885,1912]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0007</specimenCode>
</materialsCitation>
• 
<materialsCitation id="99BA091FA579B654FC26F89790AFF829" ID-GBIF-Occurrence="2871638310" collectingDate="1991-05-16" collectionCode="CMNA" collectorName="Jean-Marc Gagnon" country="Canada" elevation="350" latitude="48.7033" location="St. Lawrence Estuary" longLatPrecision="6" longitude="-68.5663" pageId="7" pageNumber="26" specimenCode="CMNA 2015-0008, CMNA 2015-0010" specimenCount="3" typeStatus="paratype">
<specimenCount id="3FD4C8CBA579B654FC26F8979743F8CF" box="[979,1069,1886,1912]" pageId="7" pageNumber="26">3 specs</specimenCount>
; same collection data as for holotype; 
<date id="5D6C2582A579B654FEC6F84A92BAF82A" box="[307,468,1923,1949]" pageId="7" pageNumber="26" value="1991-05-16">
<collectingDate id="4D28DC6AA579B654FEC6F84A92BAF82A" box="[307,468,1923,1949]" pageId="7" pageNumber="26" value="1991-05-16">16 May 1991</collectingDate>
</date>
; 
<specimenCode id="7974AB39A579B654FE15F84A91D0F829" box="[480,702,1923,1950]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0008</specimenCode>
to 
<specimenCode id="7974AB39A579B654FD11F84A90AFF829" box="[740,961,1923,1950]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0010</specimenCode>
</materialsCitation>
• 
<materialsCitation id="99BA091FA579B654FC2EF84A91B8F85E" ID-GBIF-Occurrence="2871638306" collectingDate="1993-10-15" collectionCode="CMNA" collectorName="Jean-Marc Gagnon" country="Canada" elevation="350" latitude="48.7033" location="All" longLatPrecision="6" longitude="-68.5663" municipality="Canadian Museum of Nature" pageId="7" pageNumber="26" specimenCode="CMNA 2015-0018" specimenCount="1" typeStatus="paratype">
<specimenCount id="3FD4C8CBA579B654FC2EF84A975EF82A" box="[987,1072,1923,1949]" pageId="7" pageNumber="26" type="generic">1 spec.</specimenCount>
; same collection data as for holotype; 
<date id="5D6C2582A579B654FEC0F86192BBF875" box="[309,469,1960,1987]" pageId="7" pageNumber="26" value="1993-10-15">
<collectingDate id="4D28DC6AA579B654FEC0F86192BBF875" box="[309,469,1960,1987]" pageId="7" pageNumber="26" value="1993-10-15">15 Oct. 1993</collectingDate>
</date>
; 
<specimenCode id="7974AB39A579B654FE11F86191A9F874" box="[484,711,1960,1987]" collectionCode="CMNA" pageId="7" pageNumber="26">CMNA 2015-0018</specimenCode>
. All type specimens and associated slide preparations are deposited in the Canadian Museum of Nature
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="61C850C9A576B65BFF48FEC09102F85F" pageId="8" pageNumber="27" type="description">
<paragraph id="296D0342A576B65BFF48FEC092BEFE93" blockId="8.[189,464,265,292]" box="[189,464,265,292]" pageId="8" pageNumber="27">
<emphasis id="1BA6DF50A576B65BFF48FEC09220FE94" bold="true" box="[189,334,265,291]" pageId="8" pageNumber="27">Description</emphasis>
(
<typeStatus id="F669BDE0A576B65BFEA8FEC092A9FE93" box="[349,455,265,292]" pageId="8" pageNumber="27" type="holotype">holotype</typeStatus>
)
</paragraph>
<paragraph id="296D0342A576B65BFF48FEF09618FEC0" blockId="8.[189,1399,313,376]" pageId="8" pageNumber="27">
Mean and range values are given in parentheses for the 
<typeStatus id="F669BDE0A576B65BFCCEFEF090CCFEE4" box="[827,930,313,339]" pageId="8" pageNumber="27" type="holotype">holotype</typeStatus>
and six 
<typeStatus id="F669BDE0A576B65BFBF5FEF0971AFEE4" box="[1024,1140,313,339]" pageId="8" pageNumber="27" type="paratype">paratypes</typeStatus>
. Uncini data are based on 
<typeStatus id="F669BDE0A576B65BFF14FE979228FECF" box="[225,326,350,376]" pageId="8" pageNumber="27" type="paratype">paratype</typeStatus>
specimen CMNA 2015-0018, and their tooth counts and measurements are given in 
<tableCitation id="645036F9A576B65BFAECFE949618FEC0" box="[1305,1398,349,375]" captionStart="Table 1" captionStartId="5.[189,258,265,291]" captionTargetPageId="5" captionText="Table 1. Comparative morphological data summary of Chaetopterus norvegicus M. Sars, 1835 and C. bruneli sp. nov. Segment numbers follow conventional counting within tagmata A, B and C for Chaetopteridae Audouin &amp; Milne-Edwards, 1833. A-last = the last chaetiger in tagma A; lat. = lateral." httpUri="http://table.plazi.org/id/7DAD53CAA57BB656FF48FEC09609FEDE" pageId="8" pageNumber="27" tableUuid="7DAD53CAA57BB656FF48FEC09609FEDE">Table 1.</tableCitation>
</paragraph>
<paragraph id="296D0342A576B65BFF48FE699298FDC6" blockId="8.[189,1399,416,626]" pageId="8" pageNumber="27">
GROSS MORPHOLOGY AND PRESEGMENTAL STRUCTURES. Small, epibenthic 
<taxonomicName id="EED278C1A576B65BFC10FE6997EDFE0D" authorityName="Cuvier" authorityYear="1830" box="[997,1155,416,442]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="8" pageNumber="27" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A576B65BFC10FE6997EDFE0D" box="[997,1155,416,442]" italics="true" pageId="8" pageNumber="27">Chaetopterus</emphasis>
</taxonomicName>
, 
<quantity id="EE2AAEA7A576B65BFB67FE699794FE0C" box="[1170,1274,416,443]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" pageId="8" pageNumber="27" unit="mm" value="10.5">10.5 mm</quantity>
total body length for 19 chaetigers (mean 
<quantity id="EE2AAEA7A576B65BFDDCFE0C91FDFE68" box="[553,659,453,479]" metricMagnitude="-2" metricUnit="m" metricValue="1.16" pageId="8" pageNumber="27" unit="mm" value="11.6">11.6 mm</quantity>
, range 8.0–15.0 mm, n = 7); segmental formula 9–10A+5B+5– 6C. Peristomium ventrally narrow, horseshoe-shaped in dorsal view, with narrow dorsolateral lobes that sometimes obscure A1 notopodia, without pigment in preserved specimens. Grooved palps short and stout, inserted at dorsal inner margins of peristomium, 
<quantity id="EE2AAEA7A576B65BFC66FDFB909EFDFA" box="[915,1008,562,589]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="8" pageNumber="27" unit="mm" value="2.1">2.1 mm</quantity>
in length (mean 
<quantity id="EE2AAEA7A576B65BFB33FDFB9648FDFA" box="[1222,1318,562,589]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="8" pageNumber="27" unit="mm" value="2.1">2.1 mm</quantity>
, range 2.0– 
<quantity id="EE2AAEA7A576B65BFF04FD9E9221FDC6" box="[241,335,599,626]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="8" pageNumber="27" unit="mm" value="2.5">2.5 mm</quantity>
). Eyes absent.
</paragraph>
<paragraph id="296D0342A576B65BFF48FD53910EFC4B" blockId="8.[189,1399,665,1021]" pageId="8" pageNumber="27">
REGION A. Anterior region with 9 segments (
<figureCitation id="B1E91FC7A576B65BFD28FD509051FD03" box="[733,831,665,692]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2A</figureCitation>
; 10 chaetigers on one side in 
<typeStatus id="F669BDE0A576B65BFB45FD53967BFD03" box="[1200,1301,666,692]" pageId="8" pageNumber="27" type="paratype">paratype</typeStatus>
CMNA 2015-0005); 3.0 mm in length (mean 
<quantity id="EE2AAEA7A576B65BFD74FD7791B1FD6E" box="[641,735,702,729]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="8" pageNumber="27" unit="mm" value="3.2">3.2 mm</quantity>
, range 2.0–4.0 mm, n = 7) and 4.0 mm in width (mean 
<quantity id="EE2AAEA7A576B65BFF48FD2B9277FD4A" box="[189,281,738,765]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="8" pageNumber="27" unit="mm" value="4.5">4.5 mm</quantity>
, range 
<quantity id="EE2AAEA7A576B65BFE9FFD2B9294FD4A" box="[362,506,738,765]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.5" metricValueMin="3.5" pageId="8" pageNumber="27" unit="mm" value="4.5" valueMax="5.5" valueMin="3.5">3.5–5.5 mm</quantity>
, n = 7), wider than long. Ventral surface of A with broad, triangular glandular shield, widest anteriorly and narrowing posteriorly to A9 (
<figureCitation id="B1E91FC7A576B65BFC70FCCE908BFC96" box="[901,997,775,801]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2B</figureCitation>
). Region A notopodia shortest at A1 or A9, longest at A5 or A6 and decreasing in length again to segment A9; A4 notopodia shorter than neighboring notopodia. Small swellings not visible at dorsal base of A notopodia. Segment A4 notopodia bearing 3–8 relatively small, apically blunt translucent yellow cutting chaetae, with a distinct ventral tooth, on the ventral side of the notopodia (
<figureCitation id="B1E91FC7A576B65BFCECFC509019FC04" box="[793,887,921,947]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2C</figureCitation>
). Other notopodia and the distal side of A4 notopodia bear lanceolate and simple chaetae (
<figureCitation id="B1E91FC7A576B65BFD04FC77903FFC6F" box="[753,849,958,984]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2C</figureCitation>
). Region A chaetigers uniramous, A9 without neuropodia or uncini (
<figureCitation id="B1E91FC7A576B65BFE34FC2B914FFC4B" box="[449,545,994,1020]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Figs 2B</figureCitation>
, 
<figureCitation id="B1E91FC7A576B65BFDD8FC2B913CFC4B" box="[557,594,994,1020]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="8" pageNumber="27">3B</figureCitation>
).
</paragraph>
<paragraph id="296D0342A576B65BFF48FBEF97A2F9AD" blockId="8.[189,1399,1061,1563]" pageId="8" pageNumber="27">
REGION B. Middle body region 
<quantity id="EE2AAEA7A576B65BFDC9FBEC91EDFBF7" box="[572,643,1061,1088]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="8" pageNumber="27" unit="mm" value="6.0">6 mm</quantity>
in length (mean 
<quantity id="EE2AAEA7A576B65BFCADFBEC90D6FBF7" box="[856,952,1061,1088]" metricMagnitude="-3" metricUnit="m" metricValue="5.9" pageId="8" pageNumber="27" unit="mm" value="5.9">5.9 mm</quantity>
, range 4.5–7.0 mm, n = 7). B1 with long aliform notopodia, approximately the length of region A (2.0–4.0 mm), reaching anteriorly to the peristomium (
<figureCitation id="B1E91FC7A576B65BFE96FBA792AAFB3F" box="[355,452,1134,1160]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2A</figureCitation>
). B1 and B2 neuropodia bilobed, with four completely unfused, discrete lobes, with uncini on distal lobe margins (
<figureCitation id="B1E91FC7A576B65BFD97FB5A91ADFB1A" box="[610,707,1171,1197]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Figs 2B</figureCitation>
, 
<figureCitation id="B1E91FC7A576B65BFD25FB5A919DFB1A" box="[720,755,1171,1197]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="8" pageNumber="27">3B</figureCitation>
). Anterior pair of neuropodial lobes in B1 narrow and situated medially (
<figureCitation id="B1E91FC7A576B65BFE63FB7E9298FB66" box="[406,502,1207,1233]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Figs 2B</figureCitation>
, 
<figureCitation id="B1E91FC7A576B65BFDF7FB7E914BFB66" box="[514,549,1207,1233]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="8" pageNumber="27">3B</figureCitation>
); uncini pyriform to D-shaped, apically rounded and pointed or rounded at base, widest slightly below middle (
<figureCitation id="B1E91FC7A576B65BFD8AFB1591B5FB41" box="[639,731,1244,1270]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2E</figureCitation>
). Posterior neuropodial lobes of B1 broader than anterior lobes and situated laterally (
<figureCitation id="B1E91FC7A576B65BFDF2FAC99106FAAD" box="[519,616,1280,1306]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Figs 2B</figureCitation>
, 
<figureCitation id="B1E91FC7A576B65BFD81FAC991F9FAAD" box="[628,663,1280,1306]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="8" pageNumber="27">3B</figureCitation>
), uncini ellipsoid to D-shaped, apically blunt and rounded and pointed at base, widest at middle or slightly below (
<figureCitation id="B1E91FC7A576B65BFCD9FAEC90E6FA88" box="[812,904,1317,1343]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2F</figureCitation>
). Segment B2 short relative to total body length; neuropodia bilobed with four completely unfused, discrete lobes; anterior pair of lobes situated more laterally than posterior pair of lobes (
<figureCitation id="B1E91FC7A576B65BFD35FAA79070FA3F" box="[704,798,1390,1416]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2B</figureCitation>
). Neuropodia of B3–B5 each with a single pair of well-developed, unfused lobes, bearing uncini on posterior margins. Uncini of B3 piston tori ellipsoid to pyriform, apically rounded and rounded or pointed at base, widest at middle, proximal margin sometimes with a medial notch (
<figureCitation id="B1E91FC7A576B65BFE47FA12917EFA41" box="[434,528,1499,1526]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2G</figureCitation>
). B3 ventral lobe uncini ellipsoid to pyriform, apically blunt and pointed at base, widest at middle or slightly below, proximal margin with a medial notch (
<figureCitation id="B1E91FC7A576B65BFB95F9C997D1F9AD" box="[1120,1215,1536,1562]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2H</figureCitation>
).
</paragraph>
<paragraph id="296D0342A576B65BFF48F98A9738F836" blockId="8.[189,1399,1603,1922]" pageId="8" pageNumber="27">
REGION C. Posterior body region 
<quantity id="EE2AAEA7A576B65BFDA5F98A91C3F9EA" box="[592,685,1603,1630]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="8" pageNumber="27" unit="mm" value="1.5">1.5 mm</quantity>
in length (range 1.5–4.0 mm, n = 7), with 4–6 chaetigers. Region C notopodia long and club-shaped, constricted at the base and widening distally, with internal simple notochaetae (
<figureCitation id="B1E91FC7A576B65BFE41F9459292F911" box="[436,508,1676,1702]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2</figureCitation>
A–B); C1 notopodia 2.0 mm in length (mean 3.0 mm, range 2.0–4.0 mm, n = 7). Neuropodia bilobed, ventral lobes medially fused after C1 by a thin membrane, C1 ventral neuropodial lobes broader than those in succeeding segments; lateral lobes of C neuropodia lacking dorsal and ventral cirri. Both neuropodial lobes bear a row of uncini on distal margin. C1 lateral lobe uncini asymmetrically pyriform to ellipsoid, apically rounded and pointed at base, widest at middle or slightly below, with curved proximal margin (
<figureCitation id="B1E91FC7A576B65BFD25F88B904FF8EA" box="[720,801,1858,1885]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2I</figureCitation>
). C1 ventral lobe uncini long ellipsoid to D-shaped, apically blunt and pointed at base, widest at middle or slightly above (
<figureCitation id="B1E91FC7A576B65BFC01F8AE9726F836" box="[1012,1096,1895,1921]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2J</figureCitation>
).
</paragraph>
<paragraph id="296D0342A576B65BFF48F8639102F85F" blockId="8.[189,1398,1962,2024]" pageId="8" pageNumber="27">
TUBE. Tube short and curved, pale cream to tan, thin and composed of laminated proteinaceous material, externally covered in mud (
<figureCitation id="B1E91FC7A576B65BFDF5F8079131F85F" box="[512,607,1998,2024]" captionStart="Fig" captionStartId="9.[189,232,1772,1798]" captionTargetBox="[189,1399,468,1730]" captionTargetId="figure-209@9.[189,1399,468,1730]" captionTargetPageId="9" captionText="Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="8" pageNumber="27">Fig. 2D</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="61C850C9A577B658FF48FEC09191FD29" lastPageId="11" lastPageNumber="30" pageId="9" pageNumber="28" type="biology_ecology">
<paragraph id="296D0342A577B65AFF48FEC0929CFE95" blockId="9.[189,498,264,291]" box="[189,498,264,291]" pageId="9" pageNumber="28">
<heading id="7225B42EA577B65AFF48FEC0929CFE95" bold="true" box="[189,498,264,291]" fontSize="11" level="3" pageId="9" pageNumber="28" reason="3">
<emphasis id="1BA6DF50A577B65AFF48FEC0929CFE95" bold="true" box="[189,498,264,291]" pageId="9" pageNumber="28">Ecology and distribution</emphasis>
</heading>
</paragraph>
<paragraph id="296D0342A577B65AFF48FEFE9672FE2F" blockId="9.[189,1398,311,408]" pageId="9" pageNumber="28">
The new species is known only from the 
<typeStatus id="F669BDE0A577B65AFD54FEF191BAFEE5" box="[673,724,312,338]" pageId="9" pageNumber="28">type</typeStatus>
locality in the lower St. Lawrence Estuary, epibenthic on fine sediments at a depth of 
<specimenCount id="3FD4C8CBA577B65AFDF5FE93913FFEC2" box="[512,593,346,373]" pageId="9" pageNumber="28" type="generic">
<quantity id="EE2AAEA7A577B65AFDF5FE939122FEC2" box="[512,588,346,373]" metricMagnitude="2" metricUnit="m" metricValue="3.5" pageId="9" pageNumber="28" unit="m" value="350.0">350 m</quantity>
.
</specimenCount>
Tubes resembling those of this species were also observed on bottom photographs from stations 18 and 20, at 390 and 
<quantity id="EE2AAEA7A577B65AFD0EFEB7902BFE2F" box="[763,837,382,408]" metricMagnitude="2" metricUnit="m" metricValue="3.31" pageId="9" pageNumber="28" unit="m" value="331.0">331 m</quantity>
depth, respectively (
<bibRefCitation id="4D437EB3A577B65AFBCCFEB49663FE2F" author="Belley R. &amp; Archambault P. &amp; Sundby B. &amp; Gilbert F. &amp; Gagnon J. - M." box="[1081,1293,381,408]" pageId="9" pageNumber="28" pagination="1302 - 1313" refId="ref8097" refString="Belley R., Archambault P., Sundby B., Gilbert F. &amp; Gagnon J. - M. 2010. Effects of hypoxia on benthic macrofauna and bioturbation in the Estuary and Gulf of St. Lawrence, Canada. Continental Shelf Research 30: 1302 - 1313. https: // doi. org / 10.1016 / j. csr. 2010.04.010" type="journal article" year="2010">
Belley 
<emphasis id="1BA6DF50A577B65AFB7AFEB797A7FE20" box="[1167,1225,381,407]" italics="true" pageId="9" pageNumber="28">et al.</emphasis>
2010
</bibRefCitation>
).
</paragraph>
<caption id="7DAD53CAA577B65AFF48F92591B9F851" ID-DOI="http://doi.org/10.5281/zenodo.4068438" ID-Zenodo-Dep="4068438" httpUri="https://zenodo.org/record/4068438/files/figure.png" pageId="9" pageNumber="28" startId="9.[189,232,1772,1798]" targetBox="[189,1399,468,1730]" targetPageId="9">
<paragraph id="296D0342A577B65AFF48F92591B9F851" blockId="9.[189,1399,1772,2022]" pageId="9" pageNumber="28">
<emphasis id="1BA6DF50A577B65AFF48F9259260F8B1" bold="true" box="[189,270,1772,1798]" pageId="9" pageNumber="28">Fig. 2.</emphasis>
<taxonomicName id="EED278C1A577B65AFEECF9259178F8B1" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[281,534,1772,1798]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="9" pageNumber="28" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A577B65AFEECF9259178F8B1" box="[281,534,1772,1798]" italics="true" pageId="9" pageNumber="28">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA577B65AFDD4F9259111F8B1" box="[545,639,1772,1798]" pageId="9" pageNumber="28" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="1BA6DF50A577B65AFD7CF92591F0F8B1" bold="true" box="[649,670,1772,1798]" pageId="9" pageNumber="28">A</emphasis>
. Latero-dorsal view of holotype CMNA 2015-0016. 
<emphasis id="1BA6DF50A577B65AFAD1F9259656F8B1" bold="true" box="[1316,1336,1772,1798]" pageId="9" pageNumber="28">B</emphasis>
. The same in ventral view. 
<emphasis id="1BA6DF50A577B65AFE35F8C592BBF891" bold="true" box="[448,469,1804,1830]" pageId="9" pageNumber="28">C</emphasis>
. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. 
<emphasis id="1BA6DF50A577B65AFF48F88593BCF8D1" bold="true" box="[189,210,1868,1894]" pageId="9" pageNumber="28">D</emphasis>
. 
<emphasis id="1BA6DF50A577B65AFF2AF8849249F8D1" box="[223,295,1869,1894]" italics="true" pageId="9" pageNumber="28">In situ</emphasis>
tube of 
<taxonomicName id="EED278C1A577B65AFE76F8859115F8D1" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[387,635,1868,1894]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="9" pageNumber="28" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A577B65AFE76F8859115F8D1" box="[387,635,1868,1894]" italics="true" pageId="9" pageNumber="28">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA577B65AFD75F88591B7F8D1" box="[640,729,1868,1894]" pageId="9" pageNumber="28" rank="species">sp. nov.</taxonomicNameLabel>
in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. 
<emphasis id="1BA6DF50A577B65AFE9EF8A592F2F831" bold="true" box="[363,412,1900,1926]" pageId="9" pageNumber="28">E–J</emphasis>
. Uncini sampled from paratype specimen CMNA 2015-0018. 
<emphasis id="1BA6DF50A577B65AFB69F8A597DEF831" bold="true" box="[1180,1200,1900,1926]" pageId="9" pageNumber="28">E</emphasis>
. Uncinus of B1 anterior neuropodial lobe. 
<emphasis id="1BA6DF50A577B65AFE00F8459169F811" bold="true" box="[501,519,1932,1958]" pageId="9" pageNumber="28">F</emphasis>
. Uncinus of B1 posterior lobe. 
<emphasis id="1BA6DF50A577B65AFC89F84590FDF811" bold="true" box="[892,915,1932,1958]" pageId="9" pageNumber="28">G</emphasis>
. Uncinus of B3 piston torus. 
<emphasis id="1BA6DF50A577B65AFB1AF8459668F811" bold="true" box="[1263,1286,1932,1958]" pageId="9" pageNumber="28">H</emphasis>
. Uncinus of B3 ventral lobe. 
<emphasis id="1BA6DF50A577B65AFE6EF86592C8F871" bold="true" box="[411,422,1964,1990]" pageId="9" pageNumber="28">I</emphasis>
. Uncinus of C1 lateral lobe. 
<emphasis id="1BA6DF50A577B65AFD07F865906FF871" bold="true" box="[754,769,1964,1990]" pageId="9" pageNumber="28">J</emphasis>
. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm.
</paragraph>
</caption>
<caption id="7DAD53CAA574B659FF48F8E5904EF851" ID-DOI="http://doi.org/10.5281/zenodo.4068440" ID-Zenodo-Dep="4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="10" pageNumber="29" startId="10.[189,232,1836,1862]" targetBox="[235,1361,278,1796]" targetPageId="10">
<paragraph id="296D0342A574B659FF48F8E5904EF851" blockId="10.[189,1399,1836,2022]" pageId="10" pageNumber="29">
<emphasis id="1BA6DF50A574B659FF48F8E59264F8F1" bold="true" box="[189,266,1836,1862]" pageId="10" pageNumber="29">Fig. 3.</emphasis>
Illustrated differences in A9, B1, and B2 neuropodial structures among species. 
<emphasis id="1BA6DF50A574B659FB40F8E597A4F8F1" bold="true" box="[1205,1226,1836,1862]" pageId="10" pageNumber="29">A</emphasis>
. 
<taxonomicName id="EED278C1A574B659FB2DF8E59166F8D0" authority="M. Sars, 1835" authorityName="M. Sars" authorityYear="1835" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="10" pageNumber="29" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A574B659FB2DF8E59250F8D1" italics="true" pageId="10" pageNumber="29">Chaetopterus norvegicus</emphasis>
M. 
<bibRefCitation id="4D437EB3A574B659FE75F8859166F8D0" author="Sars M." box="[384,520,1868,1895]" pageId="10" pageNumber="29" refId="ref9165" refString="Sars M. 1835. Beskrivelser og Iagttagelser over nogle moerkelige eller nye i havet ved den bergenske kyst levende dyr af polypernes, acalephernes, radiaternes, annelidernes, og molluskerns classer, med en kort oversigt over de hidtil af forfattern sammesteds fundne arter og deres forkommen. Thorstein Hallagers Forlag hos Chr., Bergen." type="book" year="1835">Sars, 1835</bibRefCitation>
</taxonomicName>
, paralectotype NHMO C5877, anterior ventral view to segment B1. 
<emphasis id="1BA6DF50A574B659FF48F8A593BFF831" bold="true" box="[189,209,1900,1926]" pageId="10" pageNumber="29">B</emphasis>
. 
<taxonomicName id="EED278C1A574B659FF1EF8A5929CF831" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[235,498,1900,1926]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="10" pageNumber="29" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A574B659FF1EF8A5929CF831" box="[235,498,1900,1926]" italics="true" pageId="10" pageNumber="29">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA574B659FDF0F8A59100F831" box="[517,622,1900,1926]" pageId="10" pageNumber="29" rank="species">sp. nov.</taxonomicNameLabel>
, holotype CMNA 2015-0016, anterior ventral view to B2. 
<emphasis id="1BA6DF50A574B659FF48F84593BCF811" bold="true" box="[189,210,1932,1958]" pageId="10" pageNumber="29">C</emphasis>
. 
<taxonomicName id="EED278C1A574B659FF16F84591D7F811" authority="Crossland, 1904" authorityName="Crossland" authorityYear="1904" box="[227,697,1932,1958]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="10" pageNumber="29" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A574B659FF16F8459280F811" box="[227,494,1932,1958]" italics="true" pageId="10" pageNumber="29">Chaetopterus longipes</emphasis>
<bibRefCitation id="4D437EB3A574B659FE0DF84591D7F811" author="Crossland C." box="[504,697,1932,1958]" pageId="10" pageNumber="29" pagination="270 - 286" refId="ref8266" refString="Crossland C. 1904. The Polychaeta of the Maldive Archipelago from the collections made by J. Stanley Gardiner in 1899. Proceedings of the Zoological Society of London 1: 270 - 286. https: // doi. org / 10.1111 / j. 1469 - 7998.1904. tb 08291. x" type="journal article" year="1904">Crossland, 1904</bibRefCitation>
</taxonomicName>
(UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm.
</paragraph>
</caption>
<paragraph id="296D0342A575B658FF48FEC09191FD29" blockId="11.[189,1399,265,670]" pageId="11" pageNumber="30">
In the late spring to early autumn of 
<date id="5D6C2582A575B658FD99FEC09073FE94" box="[620,797,265,291]" pageId="11" pageNumber="30" value="1990" valueMax="1991">1990 and 1991</date>
, several physico-chemical and biological measures were studied near the 
<typeStatus id="F669BDE0A575B658FE35FEE6929DFEFE" box="[448,499,303,329]" pageId="11" pageNumber="30">type</typeStatus>
locality of 
<taxonomicName id="EED278C1A575B658FD8FFEE6919CFEFE" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[634,754,303,329]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FD8FFEE6919CFEFE" box="[634,754,303,329]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FD0CFEE6903AFEFE" box="[761,852,303,329]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
in the lower St. Lawrence Estuary (Station 
<quantity id="EE2AAEA7A575B658FAACFEE693BAFED8" metricMagnitude="-1" metricUnit="m" metricValue="6.604" pageId="11" pageNumber="30" unit="in" value="26.0">26 in</quantity>
<bibRefCitation id="4D437EB3A575B658FF2FFE9C92B8FED8" author="Savenkoff C. &amp; Comeau L. &amp; Vezina A. F. &amp; Gratton Y." box="[218,470,341,367]" pageId="11" pageNumber="30" refId="ref9290" refString="Savenkoff C., Comeau L., Vezina A. F. &amp; Gratton Y. 1994. Seasonal Variation of the Biological Activity in the Lower St. Lawrence Estuary. Canadian Technical Report of Fisheries and Aquatic Sciences 2006, Marine Environmental Sciences Branch, Mont joli (Quebec)." type="book" year="1994">
Savenkoff 
<emphasis id="1BA6DF50A575B658FEACFE9F92FDFED8" box="[345,403,341,367]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
1994
</bibRefCitation>
). These measurements were collected around the same time as some of the 
<typeStatus id="F669BDE0A575B658FAB1FE9C9619FED8" box="[1348,1399,341,367]" pageId="11" pageNumber="30">type</typeStatus>
specimens presented here. At that time, the 
<typeStatus id="F669BDE0A575B658FD3AFEB2906CFE22" box="[719,770,379,405]" pageId="11" pageNumber="30">type</typeStatus>
locality was in an upwelling area of the Laurentian trough, characterized by moderate productivity, low vertical stratification, higher salinity, and lower temperatures compared to the more productive plume region downstream (
<bibRefCitation id="4D437EB3A575B658FBC5FE0E965CFE56" author="Savenkoff C. &amp; Comeau L. &amp; Vezina A. F. &amp; Gratton Y." box="[1072,1330,455,481]" pageId="11" pageNumber="30" refId="ref9290" refString="Savenkoff C., Comeau L., Vezina A. F. &amp; Gratton Y. 1994. Seasonal Variation of the Biological Activity in the Lower St. Lawrence Estuary. Canadian Technical Report of Fisheries and Aquatic Sciences 2006, Marine Environmental Sciences Branch, Mont joli (Quebec)." type="book" year="1994">
Savenkoff 
<emphasis id="1BA6DF50A575B658FB47FE0E9780FE56" box="[1202,1262,455,481]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
1994
</bibRefCitation>
). The bottom water in the lower St. Lawrence Estuary is now being reported as increasingly and persistently hypoxic in recent years (
<bibRefCitation id="4D437EB3A575B658FE13FDDB91ACFD9A" author="Belley R. &amp; Archambault P. &amp; Sundby B. &amp; Gilbert F. &amp; Gagnon J. - M." box="[486,706,530,557]" pageId="11" pageNumber="30" pagination="1302 - 1313" refId="ref8097" refString="Belley R., Archambault P., Sundby B., Gilbert F. &amp; Gagnon J. - M. 2010. Effects of hypoxia on benthic macrofauna and bioturbation in the Estuary and Gulf of St. Lawrence, Canada. Continental Shelf Research 30: 1302 - 1313. https: // doi. org / 10.1016 / j. csr. 2010.04.010" type="journal article" year="2010">
Belley 
<emphasis id="1BA6DF50A575B658FDCBFDDA9115FD9B" box="[574,635,530,556]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
2010
</bibRefCitation>
; 
<bibRefCitation id="4D437EB3A575B658FD24FDDB90DDFD9A" author="Gilbert D. &amp; Sundby B. &amp; Gobeil C. &amp; Mucci A. &amp; Tremblay G. - H." box="[721,947,530,557]" pageId="11" pageNumber="30" pagination="1654 - 1666" refId="ref8445" refString="Gilbert D., Sundby B., Gobeil C., Mucci A. &amp; Tremblay G. - H. 2005. A seventy-two-year record of diminishing deep-water oxygen in the St. Lawrence estuary: The northwest Atlantic connection. Limnology and Oceanography 50: 1654 - 1666. https: // doi. org / 10.4319 / lo. 2005.50.5.1654" type="journal article" year="2005">
Gilbert 
<emphasis id="1BA6DF50A575B658FCDBFDDA9005FD9B" box="[814,875,530,556]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
2005
</bibRefCitation>
), which may explain why attempts to recollect this species from the 
<typeStatus id="F669BDE0A575B658FDDCFDF09132FDE4" box="[553,604,569,595]" pageId="11" pageNumber="30">type</typeStatus>
locality in 
<date id="5D6C2582A575B658FD11FDF190CBFDE4" box="[740,933,568,595]" pageId="11" pageNumber="30" value="2015-09">September 2015</date>
and 
<date id="5D6C2582A575B658FC2AFDF09719FDE4" box="[991,1143,569,595]" pageId="11" pageNumber="30" value="2020-08">August 2020</date>
proved unsuccessful. Future benthic surveys of the St. Lawrence Estuary and Gulf of St. Lawrence may provide revised information about the distribution of this species.
</paragraph>
</subSubSection>
<subSubSection id="61C850C9A575B658FF48FD00904EF85E" pageId="11" pageNumber="30" type="discussion">
<paragraph id="296D0342A575B658FF48FD009241FD54" blockId="11.[189,303,713,739]" box="[189,303,713,739]" pageId="11" pageNumber="30">
<heading id="7225B42EA575B658FF48FD009241FD54" bold="true" box="[189,303,713,739]" fontSize="11" level="3" pageId="11" pageNumber="30" reason="3">
<emphasis id="1BA6DF50A575B658FF48FD009241FD54" bold="true" box="[189,303,713,739]" pageId="11" pageNumber="30">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="296D0342A575B658FF48FD3391BFFBAA" blockId="11.[189,1399,762,1054]" pageId="11" pageNumber="30">
<taxonomicName id="EED278C1A575B658FF48FD3392D7FCA3" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[189,441,762,788]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FF48FD3392D7FCA3" box="[189,441,762,788]" italics="true" pageId="11" pageNumber="30">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FE37FD339170FCA3" box="[450,542,762,788]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
is likely closely related to 
<taxonomicName id="EED278C1A575B658FC91FD339767FCA3" authorityName="M. Sars" authorityYear="1835" box="[868,1033,762,788]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A575B658FC91FD339767FCA3" box="[868,1033,762,788]" italics="true" pageId="11" pageNumber="30">C. norvegicus</emphasis>
</taxonomicName>
. A summary of morphological features for both species is given in 
<tableCitation id="645036F9A575B658FD96FCE991A8FC8D" box="[611,710,800,826]" captionStart="Table 1" captionStartId="5.[189,258,265,291]" captionTargetPageId="5" captionText="Table 1. Comparative morphological data summary of Chaetopterus norvegicus M. Sars, 1835 and C. bruneli sp. nov. Segment numbers follow conventional counting within tagmata A, B and C for Chaetopteridae Audouin &amp; Milne-Edwards, 1833. A-last = the last chaetiger in tagma A; lat. = lateral." httpUri="http://table.plazi.org/id/7DAD53CAA57BB656FF48FEC09609FEDE" pageId="11" pageNumber="30" tableUuid="7DAD53CAA57BB656FF48FEC09609FEDE">Tables 1</tableCitation>
and 
<tableCitation id="645036F9A575B658FD0AFCE9907FFC8D" box="[767,785,800,826]" captionStart="Table 2" captionStartId="12.[189,258,265,291]" captionText="Table 2. Comparison of uncini measurements and tooth counts for Chaetopterus norvegicus M. Sars, 1835 and C. bruneli sp. nov." pageId="11" pageNumber="30">2</tableCitation>
. These species are unusual among described species of 
<taxonomicName id="EED278C1A575B658FF16FC8F92EFFCD7" authorityName="Cuvier" authorityYear="1830" box="[227,385,838,864]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FF16FC8F92EFFCD7" box="[227,385,838,864]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
for having unfused neuropodial lobes in segments B1 and B2 (see Discussion). 
<taxonomicName id="EED278C1A575B658FF48FCA592D9FC31" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[189,439,876,902]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FF48FCA592D9FC31" box="[189,439,876,902]" italics="true" pageId="11" pageNumber="30">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FE48FCA59179FC31" box="[445,535,876,902]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
differs from 
<taxonomicName id="EED278C1A575B658FD45FCA5903CFC32" authorityName="M. Sars" authorityYear="1835" box="[688,850,876,902]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A575B658FD45FCA5903CFC32" box="[688,850,876,902]" italics="true" pageId="11" pageNumber="30">C. norvegicus</emphasis>
</taxonomicName>
by its smaller body size, its lack of neuropodia in tagma A, and by its club-shaped notopodia and fewer chaetigers in tagma C. 
<taxonomicName id="EED278C1A575B658FB8FFC589619FC1C" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[1146,1399,913,939]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FB8FFC589619FC1C" box="[1146,1399,913,939]" italics="true" pageId="11" pageNumber="30">Chaetopterus bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FF48FC719277FC65" box="[189,281,952,978]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
builds mud-covered tubes on the surfaces of fine sediments at upper continental slope depths, whereas 
<taxonomicName id="EED278C1A575B658FED0FC1792A7FC40" authorityName="M. Sars" authorityYear="1835" box="[293,457,990,1016]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A575B658FED0FC1792A7FC40" box="[293,457,990,1016]" italics="true" pageId="11" pageNumber="30">C. norvegicus</emphasis>
</taxonomicName>
is found in rocky areas on hard substrates at continental shelf depths, with little sediment on the external surface of the tubes.
</paragraph>
<paragraph id="296D0342A575B658FF48FB819784F9B4" blockId="11.[189,1399,1095,1539]" pageId="11" pageNumber="30">
Some characters distinguishing these species may vary ontogenetically in 
<taxonomicName id="EED278C1A575B658FBA0FB8E979DFBD6" authorityName="Cuvier" authorityYear="1830" box="[1109,1267,1095,1121]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FBA0FB8E979DFBD6" box="[1109,1267,1095,1121]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
, including the body size and the number of segments in tagma C. There is, however, evidence from studies on the development of 
<taxonomicName id="EED278C1A575B658FE58FB5A9125FB1A" authorityName="Cuvier" authorityYear="1830" box="[429,587,1171,1197]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FE58FB5A9125FB1A" box="[429,587,1171,1197]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
that the neuropodia in the anterior tagma are present one day postmetamorphosis in a species that bears these structures as adults (
<bibRefCitation id="4D437EB3A575B658FC35FB7097FBFB64" author="Irvine S. Q. &amp; Chaga O. &amp; Martindale M. Q." box="[960,1173,1209,1235]" pageId="11" pageNumber="30" pagination="319 - 331" refId="ref8509" refString="Irvine S. Q., Chaga O. &amp; Martindale M. Q. 1999. Larval ontogenetic stages of Chaetopterus: Developmental heterochrony in the evolution of chaetopterid polychaetes. Biological Bulletin 197: 319 - 331. https: // doi. org / 10.2307 / 1542786" type="journal article" year="1999">
Irvine 
<emphasis id="1BA6DF50A575B658FBE4FB739723FB64" box="[1041,1101,1209,1235]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
1999
</bibRefCitation>
: fig. 8b). Thus, the absence of neuropodia in tagma A should be reliable for distinguishing post-settlement individuals. While no mature gonads were observed in the preserved material of 
<taxonomicName id="EED278C1A575B658FBF9FACF97E9FAA8" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[1036,1159,1285,1312]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FBF9FACF97E9FAA8" box="[1036,1159,1285,1312]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FB67FACF979DFA97" box="[1170,1267,1286,1312]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
, long-term preservation in alcohol can sometimes make distinguishing fat deposits from gametes difficult in specimens of 
<taxonomicName id="EED278C1A575B658FE96FA98916FFADC" authorityName="Cuvier" authorityYear="1830" box="[355,513,1361,1387]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FE96FA98916FFADC" box="[355,513,1361,1387]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
. The specimens of 
<taxonomicName id="EED278C1A575B658FD1BFA989009FADC" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[750,871,1361,1387]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FD1BFA989009FADC" box="[750,871,1361,1387]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FC84FA9B90A3FADB" box="[881,973,1362,1388]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
described here were collected over several seasons over two years and do not vary substantially in their morphology, nor in size. Genetic evidence is not available, as the specimens were preserved in formalin and no new material is available for tissue collection. The morphological and ecological differences between these species outlined above are substantial enough to provide sufficient grounds for the establishment of a new species.
</paragraph>
<paragraph id="296D0342A575B658FF48F9E4904EF85E" blockId="11.[189,1399,1581,2025]" pageId="11" pageNumber="30">
Only one other described species of 
<taxonomicName id="EED278C1A575B658FD82F9E4907BF9F0" authorityName="Cuvier" authorityYear="1830" box="[631,789,1581,1607]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FD82F9E4907BF9F0" box="[631,789,1581,1607]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
, 
<taxonomicName id="EED278C1A575B658FCD2F9E49713F9F0" authority="Crossland, 1904" authorityName="Crossland" authorityYear="1904" box="[807,1149,1581,1607]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A575B658FCD2F9E490C1F9F0" box="[807,943,1581,1607]" italics="true" pageId="11" pageNumber="30">C. longipes</emphasis>
<bibRefCitation id="4D437EB3A575B658FC4CF9E49713F9F0" author="Crossland C." box="[953,1149,1581,1607]" pageId="11" pageNumber="30" pagination="270 - 286" refId="ref8266" refString="Crossland C. 1904. The Polychaeta of the Maldive Archipelago from the collections made by J. Stanley Gardiner in 1899. Proceedings of the Zoological Society of London 1: 270 - 286. https: // doi. org / 10.1111 / j. 1469 - 7998.1904. tb 08291. x" type="journal article" year="1904">Crossland, 1904</bibRefCitation>
</taxonomicName>
, lacks neuropodia in tagma A (
<figureCitation id="B1E91FC7A575B658FEC5F99A92E3F9DA" box="[304,397,1619,1645]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="11" pageNumber="30">Fig. 3C</figureCitation>
). 
<taxonomicName id="EED278C1A575B658FE56F99A91C2F9DA" authorityName="Crossland" authorityYear="1904" box="[419,684,1619,1645]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A575B658FE56F99A91C2F9DA" box="[419,684,1619,1645]" italics="true" pageId="11" pageNumber="30">Chaetopterus longipes</emphasis>
</taxonomicName>
was originally described from the 
<collectingCountry id="51C543D2A575B658FBBEF99A97C3F9DA" box="[1099,1197,1619,1645]" name="Maldives" pageId="11" pageNumber="30">Maldive</collectingCountry>
Archipelago and was redescribed from Japanese material (
<bibRefCitation id="4D437EB3A575B658FD5CF9B0905EF923" author="Nishi E." box="[681,816,1657,1684]" pageId="11" pageNumber="30" pagination="41 - 47" refId="ref8827" refString="Nishi E. 1996. Dense aggregation of Chaetopterus longipes Crossland, 1904 (Chaetopteridae, Polychaeta) in coral reefs at Okinawa, Japan. Natural History Research 4: 41 - 47. https: // doi. org / 10.13140 / 2.1.3180.0005" type="journal article" year="1996">Nishi 1996</bibRefCitation>
). Phylogenetic analyses suggest that 
<taxonomicName id="EED278C1A575B658FB1AF9B09618F924" authorityName="Crossland" authorityYear="1904" box="[1263,1398,1657,1683]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A575B658FB1AF9B09618F924" box="[1263,1398,1657,1683]" italics="true" pageId="11" pageNumber="30">C. longipes</emphasis>
</taxonomicName>
may represent a species complex distributed in both the tropical Indo-Pacific and Caribbean (
<bibRefCitation id="4D437EB3A575B658FAD3F9569257F968" author="Moore J. M. &amp; Nishi E. &amp; Rouse G. W." pageId="11" pageNumber="30" pagination="596 - 610" refId="ref8782" refString="Moore J. M., Nishi E. &amp; Rouse G. W. 2017. Phylogenetic analyses of Chaetopteridae (Annelida). Zoologica Scripta 46: 596 - 610. https: // doi. org / 10.1111 / zsc. 12238" type="journal article" year="2017">
Moore 
<emphasis id="1BA6DF50A575B658FF48F90F9399F968" box="[189,247,1733,1759]" italics="true" pageId="11" pageNumber="30">et al.</emphasis>
2017
</bibRefCitation>
). Like 
<taxonomicName id="EED278C1A575B658FE7EF90C9143F968" authorityName="M. Sars" authorityYear="1835" box="[395,557,1733,1759]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A575B658FE7EF90C9143F968" box="[395,557,1733,1759]" italics="true" pageId="11" pageNumber="30">C. norvegicus</emphasis>
</taxonomicName>
, 
<taxonomicName id="EED278C1A575B658FDCEF90C91D1F968" authorityName="Crossland" authorityYear="1904" box="[571,703,1733,1759]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A575B658FDCEF90C91D1F968" box="[571,703,1733,1759]" italics="true" pageId="11" pageNumber="30">C. longipes</emphasis>
</taxonomicName>
builds epibenthic tubes; these, however, occur gregariously and are embedded within elevated crevices on rocky coral reef substrates or found attached to the undersides of rocks rather than on the surface of soft sediments (
<bibRefCitation id="4D437EB3A575B658FC4DF8D89750F89D" author="Nishi E." box="[952,1086,1808,1835]" pageId="11" pageNumber="30" pagination="41 - 47" refId="ref8827" refString="Nishi E. 1996. Dense aggregation of Chaetopterus longipes Crossland, 1904 (Chaetopteridae, Polychaeta) in coral reefs at Okinawa, Japan. Natural History Research 4: 41 - 47. https: // doi. org / 10.13140 / 2.1.3180.0005" type="journal article" year="1996">Nishi 1996</bibRefCitation>
, 
<bibRefCitation id="4D437EB3A575B658FBBEF8D897E9F89C" author="Nishi E." box="[1099,1159,1809,1835]" pageId="11" pageNumber="30" pagination="1 - 26" refId="ref8872" refString="Nishi E. 2001. Partial revision of Japanese Chaetopterus (Chaetopteridae, Polychaeta), including description of three new species from southern Pacific side of central Japan. Actinia 14: 1 - 26." type="journal article" year="2001">2001</bibRefCitation>
). Neither 
<taxonomicName id="EED278C1A575B658FB0AF8D89619F89C" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[1279,1399,1809,1835]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FB0AF8D89619F89C" box="[1279,1399,1809,1835]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FF48F8FE9276F8E6" box="[189,280,1847,1873]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
nor 
<taxonomicName id="EED278C1A575B658FEBBF8FE929FF8E7" authorityName="M. Sars" authorityYear="1835" box="[334,497,1847,1873]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="norvegicus">
<emphasis id="1BA6DF50A575B658FEBBF8FE929FF8E7" box="[334,497,1847,1873]" italics="true" pageId="11" pageNumber="30">C. norvegicus</emphasis>
</taxonomicName>
are known to occur gregariously. 
<taxonomicName id="EED278C1A575B658FC77F8FE9094F8E7" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[898,1018,1846,1873]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FC77F8FE9094F8E7" box="[898,1018,1846,1873]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FBF4F8FE9732F8E6" box="[1025,1116,1847,1873]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
lacks the fused, suckerlike neuropodia of segments B1 and B2 that are present in 
<taxonomicName id="EED278C1A575B658FC78F894977BF8C1" authorityName="Crossland" authorityYear="1904" box="[909,1045,1884,1911]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="longipes">
<emphasis id="1BA6DF50A575B658FC78F894977BF8C1" box="[909,1045,1884,1911]" italics="true" pageId="11" pageNumber="30">C. longipes</emphasis>
</taxonomicName>
and in most other species of 
<taxonomicName id="EED278C1A575B658FF48F84B9235F82B" authorityName="Cuvier" authorityYear="1830" box="[189,347,1922,1948]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FF48F84B9235F82B" box="[189,347,1922,1948]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
(
<figureCitation id="B1E91FC7A575B658FE9EF84B92DFF82A" box="[363,433,1922,1949]" captionStart="Fig" captionStartId="10.[189,232,1836,1862]" captionTargetBox="[235,1361,278,1796]" captionTargetId="figure-99@10.[207,1381,265,1817]" captionTargetPageId="10" captionText="Fig. 3. Illustrated differences in A9, B1, and B2 neuropodial structures among species. A. Chaetopterus norvegicus M. Sars, 1835, paralectotype NHMO C5877, anterior ventral view to segment B1. B. Chaetopterus bruneli sp. nov., holotype CMNA 2015-0016, anterior ventral view to B2. C. Chaetopterus longipes Crossland, 1904 (UF 5920) from Japan, anterior ventral view to B2. Light grey arrows indicate segment A9 neuropodia, black arrows indicate segment B1 neuropodia, and dark grey arrows indicate segment B2. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4068440" httpUri="https://zenodo.org/record/4068440/files/figure.png" pageId="11" pageNumber="30">Fig. 3</figureCitation>
). There are no records of any 
<taxonomicName id="EED278C1A575B658FCFAF84B90C3F82B" authorityName="Cuvier" authorityYear="1830" box="[783,941,1922,1948]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="genus">
<emphasis id="1BA6DF50A575B658FCFAF84B90C3F82B" box="[783,941,1922,1948]" italics="true" pageId="11" pageNumber="30">Chaetopterus</emphasis>
</taxonomicName>
species lacking neuropodia in tagma A north of 
<geoCoordinate id="4CE66585A575B658FED6F8619208F874" box="[291,358,1960,1987]" degrees="33" direction="north" orientation="latitude" pageId="11" pageNumber="30" precision="55555" value="33.0">33º N</geoCoordinate>
latitude. The morphological and ecological differences among these species warrant the establishment of a distinct taxon, 
<taxonomicName id="EED278C1A575B658FDB2F80691D1F85F" authority="Moore &amp; Gagnon &amp; Petersen, 2020" authorityName="Moore &amp; Gagnon &amp; Petersen" authorityYear="2020" box="[583,703,1998,2025]" class="Polychaeta" family="Chaetopteridae" genus="Chaetopterus" kingdom="Animalia" pageId="11" pageNumber="30" phylum="Annelida" rank="species" species="bruneli" status="sp. nov.">
<emphasis id="1BA6DF50A575B658FDB2F80691D1F85F" box="[583,703,1998,2025]" italics="true" pageId="11" pageNumber="30">C. bruneli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0095622BA575B658FD33F806904EF85E" box="[710,800,1999,2025]" pageId="11" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
</treatment>
</document>