530 lines
87 KiB
XML
530 lines
87 KiB
XML
<document id="71E251A51573821AEB8BF2EF51CD2DE4" ID-CLB-Dataset="32259" ID-DOI="10.11646/zootaxa.4312.3.10" ID-GBIF-Dataset="fac83449-52e6-4326-a5a9-a1c2807d5944" ID-ISSN="1175-5326" ID-Zenodo-Dep="855617" ID-ZooBank="Bb8621E2-A2Aa-48A8-9Bc5-2E8384Da88Ef" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1504174209551" checkinUser="plazi" docAuthor="Lavesque, Nicolas" docDate="2017" docId="03D087E0FFB8FFE4249DFD94FCAE8759" docLanguage="en" docName="zootaxa.4312.3.10.pdf" docOrigin="Zootaxa 4312 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Chaetozone elakata Lavesque 2017, new species" docType="treatment" docUuid="8E899916-796B-473E-B7EE-C1A51E771D4B" docUuidSource="ZooBank" docVersion="8" lastPageNumber="572" masterDocId="FFE9FF98FFBAFFE3240AFFFFFF958564" masterDocTitle="A new species of Chaetozone (Polychaeta, Cirratulidae) from the Bay of Biscay offshore France, together with a review of Chaetozone species from the North Atlantic and adjacent waters" masterLastPageNumber="579" masterPageNumber="565" pageNumber="567" updateTime="1698467518214" updateUser="ExternalLinkService">
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<mods:title id="12016EE69B11E827FFEC78DAC0FAF39E">A new species of Chaetozone (Polychaeta, Cirratulidae) from the Bay of Biscay offshore France, together with a review of Chaetozone species from the North Atlantic and adjacent waters</mods:title>
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<mods:namePart id="7C79351652642466540B93E22759F00B">Lavesque, Nicolas</mods:namePart>
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<mods:typeOfResource id="6368ECFDA620286BA999CBC156AC2329">text</mods:typeOfResource>
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<mods:title id="F0D3C1314854846D838B051D8F19C40A">Zootaxa</mods:title>
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<mods:part id="9DC593B76E9D72E1D94C7F8F35544F63">
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<mods:date id="C6D2DE157F26A16B22D093DD6B0D463B">2017</mods:date>
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<mods:number id="28B7E2B61D885E68D2C9BD6D0A47423D">2017-08-30</mods:number>
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<mods:number id="78E671145C32C7FA4D6FD89F81BA79F5">4312</mods:number>
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<mods:number id="4A7B3D28358EA5ADFBB729837ADF9D49">3</mods:number>
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<mods:identifier id="9AFE52E6748E44C0EDA38F2A488FA5A4" type="DOI">10.11646/zootaxa.4312.3.10</mods:identifier>
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<treatment id="03D087E0FFB8FFE4249DFD94FCAE8759" ID-DOI="http://doi.org/10.5281/zenodo.6049829" ID-GBIF-Taxon="133099962" ID-Zenodo-Dep="6049829" LSID="urn:lsid:zoobank.org:act:8E899916-796B-473E-B7EE-C1A51E771D4B" httpUri="http://treatment.plazi.org/id/03D087E0FFB8FFE4249DFD94FCAE8759" lastPageId="7" lastPageNumber="572" pageId="2" pageNumber="567">
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<subSubSection id="C363657DFFB8FFE1249DFD94FE8987C3" pageId="2" pageNumber="567" type="nomenclature">
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<paragraph id="8BC636F6FFB8FFE1249DFD94FD8E87E2" blockId="2.[151,539,619,679]" box="[151,539,619,646]" pageId="2" pageNumber="567">
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<heading id="D08E819AFFB8FFE1249DFD94FD8E87E2" bold="true" box="[151,539,619,646]" fontSize="11" level="1" pageId="2" pageNumber="567" reason="1">
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<emphasis id="B90DEAE4FFB8FFE1249DFD94FD8E87E2" bold="true" box="[151,539,619,646]" pageId="2" pageNumber="567">
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<taxonomicName id="4C794D75FFB8FFE1249DFD94FE1687E1" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[151,387,619,645]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="567" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
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<emphasis id="B90DEAE4FFB8FFE1249DFD94FE1687E1" bold="true" box="[151,387,619,645]" italics="true" pageId="2" pageNumber="567">Chaetozone elakata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23E579FFFB8FFE12581FD93FD8E87E2" box="[395,539,620,646]" pageId="2" pageNumber="567" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC636F6FFB8FFE1249DFD71FE8987C3" blockId="2.[151,539,619,679]" box="[151,284,654,679]" pageId="2" pageNumber="567">
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<figureCitation id="13422A73FFB8FFE1249DFD71FE8987C3" box="[151,284,654,679]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="4.[151,250,1934,1956]" captionStartId-1="5.[151,250,1901,1923]" captionStartId-2="6.[151,250,1905,1927]" captionTargetBox-0="[200,1412,212,1882]" captionTargetBox-1="[208,1384,204,1873]" captionTargetBox-2="[171,1429,197,1881]" captionTargetId-0="figure@4.[165,1429,195,1907]" captionTargetId-1="figure@5.[197,1389,193,1878]" captionTargetId-2="figure@6.[168,1432,193,1883]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="6" captionText-0="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." captionText-1="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." captionText-2="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri-0="https://zenodo.org/record/855621/files/figure.png" httpUri-1="https://zenodo.org/record/855625/files/figure.png" httpUri-2="https://zenodo.org/record/855629/files/figure.png" pageId="2" pageNumber="567">Figures 1–3</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C363657DFFB8FFE1249DFD29FEDC863F" pageId="2" pageNumber="567" type="materials_examined">
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<paragraph id="8BC636F6FFB8FFE1249DFD29FEDC863F" blockId="2.[151,1437,726,2011]" pageId="2" pageNumber="567">
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<materialsCitation id="3B113CABFFB8FFE1249DFD29FEDC863F" ID-GBIF-Occurrence="1587262050" collectingDate="2016-10-28" collectionCode="MNHN-IA-" collectorName="Biscay. R & V Cotes de la Manche Sta." country="France" elevation="3" latitude="45.648613" location="Bay of Biscay." longLatPrecision="18" longitude="-1.7630556" pageId="2" pageNumber="567" specimenCode="TYPE 1800, MCZ 143234" specimenCount="12" typeStatus="holotype">
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<emphasis id="B90DEAE4FFB8FFE1249DFD29FE11878B" bold="true" box="[151,388,726,751]" pageId="2" pageNumber="567">Material examined.</emphasis>
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Northeast Atlantic Ocean, offshore
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<collectingCountry id="F36E7666FFB8FFE12727FD28FCE9878A" box="[813,892,727,750]" name="France" pageId="2" pageNumber="567">France</collectingCountry>
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,
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<location id="8EA6602DFFB8FFE12781FD28FBAD878B" LSID="urn:lsid:plazi:treatment:03D087E0FFB8FFE4249DFD94FCAE8759:8EA6602DFFB8FFE12781FD28FBAD878B" box="[907,1080,726,751]" country="France" latitude="45.648613" longLatPrecision="18" longitude="-1.7630556" name="Bay of Biscay." pageId="2" pageNumber="567">
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Bay of
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<collectorName id="268C5320FFB8FFE127ECFD29FBAD878B" box="[998,1080,726,751]" pageId="2" pageNumber="567">Biscay.</collectorName>
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</location>
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R/
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<collectorName id="268C5320FFB8FFE12057FD28FA09878B" box="[1117,1436,726,751]" pageId="2" pageNumber="567">
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V
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<emphasis id="B90DEAE4FFB8FFE12076FD28FAF2878B" box="[1148,1383,726,751]" italics="true" pageId="2" pageNumber="567">Côtes de la Manche</emphasis>
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Sta.
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</collectorName>
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JERICO-8,
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,
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<geoCoordinate id="EE4D5031FFB8FFE125BEFD05FDAA8677" box="[436,575,762,787]" direction="west" orientation="longitude" pageId="2" pageNumber="567" precision="15" value="-1.7630556">01°45′47″W</geoCoordinate>
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, coll.
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<collectingDate id="EF83E9DEFFB8FFE12683FD04FCDB8677" box="[649,846,762,787]" pageId="2" pageNumber="567" value="2016-10-28">
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<date id="FFC71036FFB8FFE12683FD04FCDB8677" box="[649,846,762,787]" pageId="2" pageNumber="567" value="2016-10-28">28 October 2016</date>
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</collectingDate>
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,
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<elevation id="0054D1C5FFB8FFE12756FD05FC378677" box="[860,930,762,787]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="2" pageNumber="567" unit="m" value="0.25">
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<quantity id="4C819B13FFB8FFE12756FD05FC378677" box="[860,930,762,787]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="2" pageNumber="567" unit="m" value="0.25">0.25m</quantity>
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||
</elevation>
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||
² Hamon grab,
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||
<elevation id="0054D1C5FFB8FFE1205EFD05FB078676" box="[1108,1170,762,787]" metricMagnitude="1" metricUnit="m" metricValue="6.2" pageId="2" pageNumber="567" unit="m" value="62.0">
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<quantity id="4C819B13FFB8FFE1205EFD05FB078676" box="[1108,1170,762,787]" metricMagnitude="1" metricUnit="m" metricValue="6.2" pageId="2" pageNumber="567" unit="m" value="62.0">62 m</quantity>
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</elevation>
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,
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<typeStatus id="54C28854FFB8FFE120ABFD05FA968677" box="[1185,1283,762,787]" pageId="2" pageNumber="567" type="holotype">holotype</typeStatus>
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||
(
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||
<collectionCode id="ED68AE33FFB8FFE1211EFD04FA0E8677" box="[1300,1435,763,787]" pageId="2" pageNumber="567">MNHN-IA-</collectionCode>
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||
<specimenCode id="DBDF9E8DFFB8FFE1249DFCE0FEB48653" box="[151,289,799,823]" collectionCode="TYPE" pageId="2" pageNumber="567">
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||
<typeStatus id="54C28854FFB8FFE1249DFCE0FF488652" box="[151,221,799,822]" pageId="2" pageNumber="567">TYPE</typeStatus>
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||
1800
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</specimenCode>
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),
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||
<specimenCount id="9D7FFD7FFFB8FFE1253CFCE0FE228653" box="[310,439,799,823]" pageId="2" pageNumber="567" type="generic" typeStatus="paratypes">3 paratypes</specimenCount>
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||
(MNHN-IA-TYPE 1801),
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||
<specimenCount id="9D7FFD7FFFB8FFE126E4FCE0FCE18653" box="[750,884,799,823]" pageId="2" pageNumber="567" type="generic" typeStatus="Paratypes">2 Paratypes</specimenCount>
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||
, SEM (MNHN-IA-TYPE 1802) and
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||
<specimenCount id="9D7FFD7FFFB8FFE12110FCE0FA098653" box="[1306,1436,799,823]" pageId="2" pageNumber="567" type="generic" typeStatus="paratypes">7 paratypes</specimenCount>
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||
(
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<specimenCode id="DBDF9E8DFFB8FFE12494FCBCFEA8863F" box="[158,317,835,859]" collectionCode="MCZ" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:33791" name="Museum of Comparative Zoology" pageId="2" pageNumber="567">MCZ 143234</specimenCode>
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).
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C363657DFFB8FFE024CDFC99FE9386C0" lastPageId="3" lastPageNumber="568" pageId="2" pageNumber="567" type="description">
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<paragraph id="8BC636F6FFB8FFE124CDFC99FB9E8157" blockId="2.[151,1437,726,2011]" pageId="2" pageNumber="567">
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<emphasis id="B90DEAE4FFB8FFE124CDFC99FECC861B" bold="true" box="[199,345,870,895]" pageId="2" pageNumber="567">Description.</emphasis>
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A moderate-sized species with elongate body and conspicuous bulge in middle of thoracic region imparting distinct fusiform shape to anterior end (
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<figureCitation id="13422A73FFB8FFE126C6FC75FC8286C7" box="[716,791,906,931]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Figs. 1</figureCitation>
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A, 3A, D). Anterior segments crowded, about four times as wide as long (
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<figureCitation id="13422A73FFB8FFE12551FC51FE0E86A3" box="[347,411,942,967]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
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A), then becoming longer, but still about twice as wide as long in middle body segments (
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<figureCitation id="13422A73FFB8FFE12495FC2DFF73868F" box="[159,230,978,1003]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="2" pageNumber="567">Fig. 3</figureCitation>
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A, D). Posterior segments narrowing, with parapodia becoming modified, with deep grooves between individual segments (
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||
<figureCitation id="13422A73FFB8FFE12584FC09FE4E816B" box="[398,475,1014,1039]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Figs. 1</figureCitation>
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C, 2F) and parapodia elevated with thin membranes bearing spreading fascicles of spines and alternating capillaries producing a prominent armature (
|
||
<figureCitation id="13422A73FFB8FFE1278FFBE5FC5D8157" box="[901,968,1050,1075]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="2" pageNumber="567">Fig. 2</figureCitation>
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B–C).
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</paragraph>
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||
<paragraph id="8BC636F6FFB8FFE124CDFBC1FBC58037" blockId="2.[151,1437,726,2011]" pageId="2" pageNumber="567">
|
||
Holotype (MNHN-IA-TYPE 1800) complete,
|
||
<quantity id="4C819B13FFB8FFE126DAFBC1FCA18132" box="[720,820,1086,1111]" metricMagnitude="-2" metricUnit="m" metricValue="4.54" pageId="2" pageNumber="567" unit="mm" value="45.4">45.4 mm</quantity>
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||
long,
|
||
<quantity id="4C819B13FFB8FFE12771FBC1FC4A8132" box="[891,991,1086,1111]" metricMagnitude="-4" metricUnit="m" metricValue="6.4" pageId="2" pageNumber="567" unit="mm" value="0.64">0.64 mm</quantity>
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||
wide anterior to bulge,
|
||
<quantity id="4C819B13FFB8FFE120E1FBC0FAC58132" box="[1259,1360,1087,1111]" metricMagnitude="-3" metricUnit="m" metricValue="1.01" pageId="2" pageNumber="567" unit="mm" value="1.01">1.01 mm</quantity>
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||
across bulge,
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||
<quantity id="4C819B13FFB8FFE124EFFB9DFEDE811E" box="[229,331,1122,1147]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" pageId="2" pageNumber="567" unit="mm" value="0.65">0.65 mm</quantity>
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||
posterior to bulge, with 111 setigerous segments; complete paratype an ovigerous female (MCZ 143234)
|
||
<quantity id="4C819B13FFB8FFE124F4FB78FEC581FA" box="[254,336,1159,1183]" metricMagnitude="-2" metricUnit="m" metricValue="3.3" pageId="2" pageNumber="567" unit="mm" value="33.0">33 mm</quantity>
|
||
long,
|
||
<quantity id="4C819B13FFB8FFE12597FB78FE6381FA" box="[413,502,1159,1183]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="2" pageNumber="567" unit="mm" value="0.4">0.4 mm</quantity>
|
||
wide anterior to bulge, 0.65 across bulge,
|
||
<quantity id="4C819B13FFB8FFE127E0FB79FBC481FA" box="[1002,1105,1158,1183]" metricMagnitude="-4" metricUnit="m" metricValue="5.2" pageId="2" pageNumber="567" unit="mm" value="0.52">0.52 mm</quantity>
|
||
posterior to bulge, with 117 setigerous segments. Other complete paratypes with 92–104 setigerous segments. Most specimens with distinct dorsal groove, in expanded segments (
|
||
<figureCitation id="13422A73FFB8FFE1264EFB31FD188183" box="[580,653,1230,1255]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Figs. 1</figureCitation>
|
||
A, 3B), absent in some specimens (
|
||
<figureCitation id="13422A73FFB8FFE12016FB31FBCB8183" box="[1052,1118,1230,1255]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="2" pageNumber="567">Fig. 3</figureCitation>
|
||
A); weak depression present on individual segments along most of venter; absent in posterior segments. Color in alcohol light tan with no apparent pigment on body; numerous segmental subdermal glands visible under a coverslip at about
|
||
<date id="FFC71036FFB8FFE12178FAE9FA09804B" box="[1394,1436,1302,1327]" pageId="2" pageNumber="567" value="1963-10">63x</date>
|
||
magnification; these stain with Methyl Green imparting distinct patterns (see below).
|
||
</paragraph>
|
||
<paragraph id="8BC636F6FFB8FFE124CDFAA1FA8683F3" blockId="2.[151,1437,726,2011]" pageId="2" pageNumber="567">
|
||
Prostomium triangular, narrowing to rounded tip (
|
||
<figureCitation id="13422A73FFB8FFE126F4FAA1FCA88013" box="[766,829,1374,1399]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
|
||
A–B); nuchal organs reduced to thin slits at posterior margin of prostomium, best seen with SEM (
|
||
<figureCitation id="13422A73FFB8FFE12681FA7DFD5B80FF" box="[651,718,1410,1435]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="2" pageNumber="567">Fig. 2</figureCitation>
|
||
A); eyespots absent. Peristomium relatively narrow, divided into two distinct annular rings (
|
||
<figureCitation id="13422A73FFB8FFE125CFFA59FD9680DB" box="[453,515,1446,1471]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
|
||
A–B); first long, relatively smooth but with 2–3 weak lateral grooves best seen in SEM (
|
||
<figureCitation id="13422A73FFB8FFE124ECFA35FEBA8087" box="[230,303,1482,1507]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="2" pageNumber="567">Fig. 2</figureCitation>
|
||
A), second ring narrow, similar in size and appearance to following achaetous segment. Entire peristomium surmounted by a relatively smooth, elongate dorsal crest extending posteriorly to anterior border of achaetous segment 1 (
|
||
<figureCitation id="13422A73FFB8FFE12599F9EDFE4B834F" box="[403,478,1554,1579]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Figs. 1</figureCitation>
|
||
A–B, 2A); dorsal tentacles arising from posterior margin of second peristomial ring (
|
||
<figureCitation id="13422A73FFB8FFE12495F9C9FF4A832B" box="[159,223,1590,1615]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
|
||
A–B). First segment achaetous with first pair of branchiae arising from posterior margin; second segment setigerous, with second pair of branchiae also on posterior margin, dorsal to notosetae (
|
||
<figureCitation id="13422A73FFB8FFE12095F9A5FB778317" box="[1183,1250,1626,1651]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
|
||
A–B); by about setiger 20, branchiae shifting to a more medial location and continuing to near posterior end (
|
||
<figureCitation id="13422A73FFB8FFE120A7F981FB7983F3" box="[1197,1260,1662,1687]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="2" pageNumber="567">Fig. 1</figureCitation>
|
||
A).
|
||
</paragraph>
|
||
<paragraph id="8BC636F6FFB8FFE024CDF95DFE098400" blockId="2.[151,1437,726,2011]" lastBlockId="3.[151,1436,151,1977]" lastPageId="3" lastPageNumber="568" pageId="2" pageNumber="567">
|
||
Parapodia of anterior and middle segments reduced to low ridges or mounds from which setae arise; posterior setigers modified with swollen podia bearing raised membrane from which acicular spines arise forming prominent cinctures. Anterior setae all heavy broad capillaries numbering
|
||
<quantity id="4C819B13FFB8FFE12751F914FC3A8267" box="[859,943,1770,1795]" metricMagnitude="-1" metricUnit="m" metricValue="2.286" metricValueMax="2.54" metricValueMin="2.032" pageId="2" pageNumber="567" unit="in" value="9.0" valueMax="10.0" valueMin="8.0">8–10 in</quantity>
|
||
noto- and neuropodia with notosetae longer than neurosetae; capillaries of middle segments,
|
||
<quantity id="4C819B13FFB8FFE126CBF8F0FCB38243" box="[705,806,1806,1831]" metricMagnitude="0" metricUnit="m" metricValue="1.1176" metricValueMax="1.2192" metricValueMin="1.016" pageId="2" pageNumber="567" unit="in" value="44.0" valueMax="48.0" valueMin="40.0">40–48 in</quantity>
|
||
neuropodia and
|
||
<quantity id="4C819B13FFB8FFE127ECF8F1FBDF8243" box="[998,1098,1806,1831]" metricMagnitude="0" metricUnit="m" metricValue="1.3208000000000002" metricValueMax="1.3969999999999998" metricValueMin="1.2446000000000002" pageId="2" pageNumber="567" unit="in" value="52.0" valueMax="55.0" valueMin="49.0">49–55 in</quantity>
|
||
notopodia, similar in number but 1–2 becoming thicker, narrowing abruptly to thin pointed capillary tip; transitioning in posterior segments to blunt-tipped acicular spines; long, thin, natatory-like capillaries absent, including in mature specimens. Neuropodial blunt-tipped acicular spines first appear in posterior body segments from setigers
|
||
<quantity id="4C819B13FFB8FFE120C7F884FA9282F7" box="[1229,1287,1914,1939]" metricMagnitude="0" metricUnit="m" metricValue="1.8796" pageId="2" pageNumber="567" unit="in" value="74.0">74 in</quantity>
|
||
the
|
||
<typeStatus id="54C28854FFB8FFE12130F885FA0982F7" box="[1338,1436,1914,1939]" pageId="2" pageNumber="567" type="holotype">holotype</typeStatus>
|
||
and
|
||
<quantity id="4C819B13FFB8FFE124CDF861FEBE82D3" box="[199,299,1950,1975]" metricMagnitude="0" metricUnit="m" metricValue="1.9304" metricValueMax="2.1336" metricValueMin="1.7271999999999998" pageId="2" pageNumber="567" unit="in" value="76.0" valueMax="84.0" valueMin="68.0">68–84 in</quantity>
|
||
<typeStatus id="54C28854FFB8FFE12539F860FE3782D3" box="[307,418,1951,1975]" pageId="2" pageNumber="567" type="paratype">paratypes</typeStatus>
|
||
; notopodial spines from setigers 82–98. Noto- and neuropodial spines initially numbering
|
||
<quantity id="4C819B13FFB8FFE1249DF83CFF4A82BF" box="[151,223,1986,2011]" metricMagnitude="-2" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="2" pageNumber="567" unit="in" value="2.5" valueMax="3.0" valueMin="2.0">2–3 in</quantity>
|
||
a fascicle with 5–6 capillaries, then increasing to 3–4 spines; posterior full cinctures from last 6–8 setigers with up to 7–8 spines in noto- and neuropodia, with 15–16 spines on a side (
|
||
<figureCitation id="13422A73FFB9FFE027E5FF68FBA785D4" box="[1007,1074,151,176]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="3" pageNumber="568">Fig. 2</figureCitation>
|
||
C), each spine alternating with a thin capillary seta (
|
||
<figureCitation id="13422A73FFB9FFE02574FF43FE5385B0" box="[382,454,188,213]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="3" pageNumber="568">Fig. 2</figureCitation>
|
||
D). High membranes of cinctured segments extending over dorsal midline forming shallow channel (
|
||
<figureCitation id="13422A73FFB9FFE02556FF20FE35859C" box="[348,416,223,248]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="3" pageNumber="568">Fig. 2</figureCitation>
|
||
C); ventral surface flattened. Individual spines weakly curved, with narrow bluntly pointed tip; each with narrow internal core clearly visible in light microscopy (
|
||
<figureCitation id="13422A73FFB9FFE027C5FEFBFB898478" box="[975,1052,260,285]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="3" pageNumber="568">Figs. 1</figureCitation>
|
||
D, 2D); spines appearing smooth externally in SEM (
|
||
<figureCitation id="13422A73FFB9FFE02576FED8FE578424" box="[380,450,295,320]" captionStart="FIGURE 2" captionStartId="5.[151,250,1901,1923]" captionTargetBox="[208,1384,204,1873]" captionTargetId="figure@5.[197,1389,193,1878]" captionTargetPageId="5" captionText="FIGURE 2. Chaetozone elakata n. sp. A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A – B, E, paratype (NMHN- 1 A-TYPE 1802); C – D, F, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="3" pageNumber="568">Fig. 2</figureCitation>
|
||
E). Body terminating in simple pygidium bearing short triangular lobe ventral to anal opening (
|
||
<figureCitation id="13422A73FFB9FFE0250AFEB3FEDE8400" box="[256,331,332,357]" captionStart="FIGURE 1" captionStartId="4.[151,250,1934,1956]" captionTargetBox="[200,1412,212,1882]" captionTargetId="figure@4.[165,1429,195,1907]" captionTargetPageId="4" captionText="FIGURE 1. Chaetozone elakata n. sp. A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1 – 3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234)." httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="3" pageNumber="568">Figs. 1</figureCitation>
|
||
C, 2F).
|
||
</paragraph>
|
||
<paragraph id="8BC636F6FFB9FFE024CDFE90FE9386C0" blockId="3.[151,1436,151,1977]" pageId="3" pageNumber="568">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDFE90FDC984EC" bold="true" box="[199,604,367,392]" pageId="3" pageNumber="568">Methyl Green staining pattern.</emphasis>
|
||
Numerous subdermal glands are concentrated on the prostomium, peristomium and in groups or bands along most of the body. These glands stain intensely with Methyl Green, creating a spectacular and distinctive staining pattern for this species (
|
||
<figureCitation id="13422A73FFB9FFE027BFFE48FC6D84B4" box="[949,1016,439,464]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B–E). Except for the anterior tip, the prostomium stains intensely on all sides (
|
||
<figureCitation id="13422A73FFB9FFE0266DFE23FD3C8490" box="[615,681,476,501]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B, E); the peristomium is intensely stained on the dorsal and lateral sides, with the dorsal stain extending along dorsal crest onto the anterior margin of segment 1 (
|
||
<figureCitation id="13422A73FFB9FFE020BCFE00FB6D877C" box="[1206,1272,511,536]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B, E). The less intense stain on
|
||
<figureCitation id="13422A73FFB9FFE02544FDDBFE1A8758" box="[334,399,548,573]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B compared with
|
||
<figureCitation id="13422A73FFB9FFE02650FDDBFD098758" box="[602,668,548,573]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
C is due to a longer period of differentiation and destaining to show areas where the stain is most intense and retained for the longest period of time. Along the body, the segments anterior to the swollen area have dorsal and lateral bands of stain; the lateral bands are located in the middle of each segment, anterior to the setal fascicle (
|
||
<figureCitation id="13422A73FFB9FFE02645FD70FD0687CC" box="[591,659,655,680]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
E); dorsal to the notosetae, the stain expands into a prominent patch (
|
||
<figureCitation id="13422A73FFB9FFE02495FD4BFF7587A8" box="[159,224,692,717]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B–C) which gives way to transverse intersegmental bands that cross the dorsum (
|
||
<figureCitation id="13422A73FFB9FFE0207FFD4BFB2287A8" box="[1141,1207,692,717]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B–C); between each of the dorsal bands are groups of stained glands producing a speckled pattern; ventrally, the banding is less prominent (
|
||
<figureCitation id="13422A73FFB9FFE02513FD03FEC98670" box="[281,348,764,789]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
E). The swollen area includes all of the features of the preceding segments except that entire area is more darkly stained, producing the most intense and obviously stained part of the body (
|
||
<figureCitation id="13422A73FFB9FFE02086FCE0FB5B865C" box="[1164,1230,799,824]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
B–D). Posterior to the swollen area, the staining pattern is similar to that of the anterior segmental area, but less intense. In the abdominal region, the stain is concentrated in thin transverse intersegmental bands and lateral longitudinal lines (
|
||
<figureCitation id="13422A73FFB9FFE02495FC73FF7786C0" box="[159,226,908,933]" captionStart="FIGURE 3" captionStartId="6.[151,250,1905,1927]" captionTargetBox="[171,1429,197,1881]" captionTargetId="figure@6.[168,1432,193,1883]" captionTargetPageId="6" captionText="FIGURE 3. Chaetozone elakata n. sp. Photomicrographs. A, anterior end of unstained paratype, right lateral view; B – E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN- 1 A-TYPE 1802); B – E, paratypes MCZ (143234)." httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="3" pageNumber="568">Fig. 3</figureCitation>
|
||
D).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFB9FFE024CDFC50FD5D813C" pageId="3" pageNumber="568" type="biology_ecology">
|
||
<paragraph id="8BC636F6FFB9FFE024CDFC50FD5D813C" blockId="3.[151,1436,151,1977]" pageId="3" pageNumber="568">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDFC50FE5D86AC" bold="true" box="[199,456,943,968]" pageId="3" pageNumber="568">Biology and ecology.</emphasis>
|
||
Several
|
||
<typeStatus id="54C28854FFB9FFE0263DFC4FFD3786AC" box="[567,674,944,968]" pageId="3" pageNumber="568" type="paratype">paratypes</typeStatus>
|
||
are females with oocytes packed together in various stages of maturation; the largest eggs observed were 134–140 µm in the widest dimension. Specimens live in a muddy habitat (median grain size = 25 µm; 1.08% of organic carbon) offshore of the Gironde estuary (
|
||
<quantity id="4C819B13FFB9FFE020BCFC08FA958174" box="[1206,1280,1015,1040]" metricMagnitude="4" metricUnit="m" metricValue="6.0" pageId="3" pageNumber="568" unit="km" value="60.0">60 km</quantity>
|
||
) (
|
||
<bibRefCitation id="EFE84B07FFB9FFE0211FFC07FF418151" author="Masse" pageId="3" pageNumber="568" refString="Masse, C., Meisterhans, G., Deflandre, B., Bachelet, G., Bourasseau, L., Bichon, S., Ciutat, A., Jude-Lemeilleur, F., Lavesque, N., Raymond, N., Gremare, A. & Garabetian, F. (2016) Bacterial and macrofaunal communities in the sediments of the West Gironde mud patch, Bay of Biscay (France). Estuarine, Coastal and Shelf Science, 179, 189 - 200. https: // doi. org / 10.1016 / j. ecss. 2016.01.011" type="journal article" year="2016">
|
||
Masse
|
||
<emphasis id="B90DEAE4FFB9FFE0216EFC06FA008174" box="[1380,1429,1015,1040]" italics="true" pageId="3" pageNumber="568">et al</emphasis>
|
||
. 2016
|
||
</bibRefCitation>
|
||
). This species is important (13% of total abundance) in the local benthic community, which is dominated by polychaetes (16 species belonging to 14 families).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFB9FFE024CDFB9BFCC480F8" pageId="3" pageNumber="568" type="discussion">
|
||
<paragraph id="8BC636F6FFB9FFE024CDFB9BFC5A818C" blockId="3.[151,1436,151,1977]" pageId="3" pageNumber="568">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDFB9BFEAE8119" bold="true" box="[199,315,1124,1149]" pageId="3" pageNumber="568">Remarks.</emphasis>
|
||
<taxonomicName id="4C794D75FFB9FFE02548FB9BFDB58119" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[322,544,1124,1149]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE02548FB9BFDB58119" box="[322,544,1124,1149]" italics="true" pageId="3" pageNumber="568">Chaetozone elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE0262CFB9BFDF18119" box="[550,612,1124,1149]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE0262CFB9BFDF18119" bold="true" box="[550,612,1124,1149]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, with its fusiform shape due to expanded anterior body segments, is most similar to
|
||
<taxonomicName id="4C794D75FFB9FFE02504FB77FD4981C4" authority="Woodham & Chambers, 1994" authorityName="Woodham & Chambers" authorityYear="1994" box="[270,732,1159,1184]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="gibber">
|
||
<emphasis id="B90DEAE4FFB9FFE02504FB77FEEE81C4" box="[270,379,1159,1184]" italics="true" pageId="3" pageNumber="568">C. gibber</emphasis>
|
||
<bibRefCitation id="EFE84B07FFB9FFE0258FFB78FD4981C4" author="Woodham" box="[389,732,1159,1184]" pageId="3" pageNumber="568" refString="Woodham, A. & Chambers, S. (1994) A new species of Chaetozone (Polychaeta, Cirratulidae) from Europe, with a redescription of Caulleriella zetlandica (McIntosh). In: Dauvin, J. - C., Laubier, L. &. Reish, D. J. (Eds.), Actes de la 4 eme Conference Internationale de Polychetes. Memoires du Museum National d'Histoire Naturelle, Zoologie, 162, 307 - 316." type="journal article" year="1994">Woodham & Chambers, 1994</bibRefCitation>
|
||
</taxonomicName>
|
||
from the NE Atlantic and Mediterranean Sea,
|
||
<taxonomicName id="4C794D75FFB9FFE020F5FB77FEB481A1" authority="Blake, 1996" authorityName="Blake" authorityYear="1996" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="hartmanae">
|
||
<emphasis id="B90DEAE4FFB9FFE020F5FB77FA0E81C4" box="[1279,1435,1159,1184]" italics="true" pageId="3" pageNumber="568">C. hartmanae</emphasis>
|
||
<bibRefCitation id="EFE84B07FFB9FFE0249DFB53FEB481A1" author="Blake" box="[151,289,1196,1221]" pageId="3" pageNumber="568" refString="Blake, J. A. (1996) Chapter 8. Family Cirratulidae Ryckholdt, 1851. Including a revision of the genera and species from the eastern North Pacific. In: Blake, J. A., Hilbig, B. & Scott, P. V. (Eds.), Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. Vol. 6. The Annelida Part 3 - Polychaeta: Orbiniidae to Cossuridae. Santa Barbara Museum of Natural History, Santa Barbara, pp. 263 - 384." type="book chapter" year="1996">Blake, 1996</bibRefCitation>
|
||
</taxonomicName>
|
||
from off
|
||
<collectingRegion id="49BDF814FFB9FFE0259FFB53FD9281A1" box="[405,519,1196,1221]" country="United States of America" name="California" pageId="3" pageNumber="568">California</collectingRegion>
|
||
in shelf and slope depths,
|
||
<taxonomicName id="4C794D75FFB9FFE0274AFB52FC0A81A1" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[832,927,1196,1221]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE0274AFB52FC0A81A1" box="[832,927,1196,1221]" italics="true" pageId="3" pageNumber="568">C. larae</emphasis>
|
||
</taxonomicName>
|
||
from the SE Atlantic off
|
||
<collectingCountry id="F36E7666FFB9FFE020C7FB53FAA981A1" box="[1229,1340,1196,1221]" name="Argentina" pageId="3" pageNumber="568">Argentina</collectingCountry>
|
||
in shelf depths, and to some extent
|
||
<taxonomicName id="4C794D75FFB9FFE025C2FB2FFD4C818C" authority="Blake, 2015" authorityName="Blake" authorityYear="2015" box="[456,729,1231,1256]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="bathyala">
|
||
<emphasis id="B90DEAE4FFB9FFE025C2FB2FFDDF818C" box="[456,586,1231,1256]" italics="true" pageId="3" pageNumber="568">C. bathyala</emphasis>
|
||
<bibRefCitation id="EFE84B07FFB9FFE0265BFB30FD4C818C" author="Blake" box="[593,729,1231,1256]" pageId="3" pageNumber="568" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake, 2015</bibRefCitation>
|
||
</taxonomicName>
|
||
from eastern
|
||
<collectingCountry id="F36E7666FFB9FFE02779FB30FC5E818C" box="[883,971,1231,1256]" name="Canada" pageId="3" pageNumber="568">Canada</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BC636F6FFB9FFE024CDFB0BFCC480F8" blockId="3.[151,1436,151,1977]" pageId="3" pageNumber="568">
|
||
<taxonomicName id="4C794D75FFB9FFE024CDFB0BFE0A8069" authorityName="Woodham & Chambers" authorityYear="1994" box="[199,415,1268,1293]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="gibber">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDFB0BFE0A8069" box="[199,415,1268,1293]" italics="true" pageId="3" pageNumber="568">Chaetozone gibber</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C794D75FFB9FFE02634FB0AFD208069" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[574,693,1268,1293]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE02634FB0AFD208069" box="[574,693,1268,1293]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE026CAFB0BFC978069" box="[704,770,1268,1293]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE026CAFB0BFC978069" bold="true" box="[704,770,1268,1293]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
in having the expanded segments only dorsally enlarged providing a humped shape to the body instead of a more complete fusiform shape. In addition, the posterior cinctures of
|
||
<taxonomicName id="4C794D75FFB9FFE0252AFAC2FE1F8031" authorityName="Woodham & Chambers" authorityYear="1994" box="[288,394,1340,1365]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="gibber">
|
||
<emphasis id="B90DEAE4FFB9FFE0252AFAC2FE1F8031" box="[288,394,1340,1365]" italics="true" pageId="3" pageNumber="568">C. gibber</emphasis>
|
||
</taxonomicName>
|
||
are only partially developed with eight spines on a side instead of up to 16. The first segment of
|
||
<taxonomicName id="4C794D75FFB9FFE024BEFA9FFE8B801C" authorityName="Woodham & Chambers" authorityYear="1994" box="[180,286,1375,1400]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="gibber">
|
||
<emphasis id="B90DEAE4FFB9FFE024BEFA9FFE8B801C" box="[180,286,1375,1400]" italics="true" pageId="3" pageNumber="568">C. gibber</emphasis>
|
||
</taxonomicName>
|
||
is the first setigerous, whereas in
|
||
<taxonomicName id="4C794D75FFB9FFE0269DFA9FFC9E801C" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[663,779,1375,1400]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE0269DFA9FFC9E801C" box="[663,779,1375,1400]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE0271AFAA0FCDA801C" box="[784,847,1375,1400]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE0271AFAA0FCD2801C" bold="true" box="[784,839,1375,1400]" pageId="3" pageNumber="568">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
the first segment is an achaetous segment anterior to setiger 1. Methyl Green stain has not been tested on
|
||
<taxonomicName id="4C794D75FFB9FFE026E8FA7AFCDF80F9" authorityName="Woodham & Chambers" authorityYear="1994" box="[738,842,1412,1437]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="gibber">
|
||
<emphasis id="B90DEAE4FFB9FFE026E8FA7AFCDF80F9" box="[738,842,1412,1437]" italics="true" pageId="3" pageNumber="568">C. gibber</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFB9FFE024CDFA58FD388311" pageId="3" pageNumber="568" type="description">
|
||
<paragraph id="8BC636F6FFB9FFE024CDFA58FD388311" blockId="3.[151,1436,151,1977]" pageId="3" pageNumber="568">
|
||
<taxonomicName id="4C794D75FFB9FFE024CDFA58FE5980A4" authorityName="Blake" authorityYear="1996" box="[199,460,1447,1472]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="hartmanae">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDFA58FE5980A4" box="[199,460,1447,1472]" italics="true" pageId="3" pageNumber="568">Chaetozone hartmanae</emphasis>
|
||
</taxonomicName>
|
||
has a similar fusiform shape as
|
||
<taxonomicName id="4C794D75FFB9FFE0273BFA57FC3180A4" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[817,932,1447,1472]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE0273BFA57FC3180A4" box="[817,932,1447,1472]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE027A1FA58FC7C80A4" box="[939,1001,1447,1472]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE027A1FA58FC7C80A4" bold="true" box="[939,1001,1447,1472]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, but the posterior cinctures have fewer than 10 spines on a side and, more importantly, the noto- and neuropodial spines differ in morphology with the notopodial spines being straight rather than curved and the neuropodial spines having a curved apex with serrations on the convex side (
|
||
<bibRefCitation id="EFE84B07FFB9FFE02575F9EBFD928349" author="Blake" box="[383,519,1556,1581]" pageId="3" pageNumber="568" refString="Blake, J. A. (1996) Chapter 8. Family Cirratulidae Ryckholdt, 1851. Including a revision of the genera and species from the eastern North Pacific. In: Blake, J. A., Hilbig, B. & Scott, P. V. (Eds.), Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. Vol. 6. The Annelida Part 3 - Polychaeta: Orbiniidae to Cossuridae. Santa Barbara Museum of Natural History, Santa Barbara, pp. 263 - 384." type="book chapter" year="1996">Blake 1996</bibRefCitation>
|
||
). Additionally, the first segment of
|
||
<taxonomicName id="4C794D75FFB9FFE027AAF9EAFBA98349" authorityName="Blake" authorityYear="1996" box="[928,1084,1556,1581]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="hartmanae">
|
||
<emphasis id="B90DEAE4FFB9FFE027AAF9EAFBA98349" box="[928,1084,1556,1581]" italics="true" pageId="3" pageNumber="568">C. hartmanae</emphasis>
|
||
</taxonomicName>
|
||
is the first setigerous and also bears the first branchiae. The Methyl Green staining pattern in
|
||
<taxonomicName id="4C794D75FFB9FFE0275BF9C7FC7F8334" authorityName="Blake" authorityYear="1996" box="[849,1002,1591,1616]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="hartmanae">
|
||
<emphasis id="B90DEAE4FFB9FFE0275BF9C7FC7F8334" box="[849,1002,1591,1616]" italics="true" pageId="3" pageNumber="568">C. hartmanae</emphasis>
|
||
</taxonomicName>
|
||
is reduced to a band of speckles on the anterior and posterior margins of each segment.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFB9FFE424CDF980FBA784B4" lastPageId="7" lastPageNumber="572" pageId="3" pageNumber="568" type="reference_group">
|
||
<paragraph id="8BC636F6FFB9FFE424CDF980FCC88401" blockId="3.[151,1436,151,1977]" lastBlockId="7.[151,1436,151,573]" lastPageId="7" lastPageNumber="572" pageId="3" pageNumber="568">
|
||
<taxonomicName id="4C794D75FFB9FFE024CDF980FE1B83FC" ID-CoL="TF27" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[199,398,1663,1688]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE024CDF980FE1B83FC" box="[199,398,1663,1688]" italics="true" pageId="3" pageNumber="568">Chaetozone larae</emphasis>
|
||
</taxonomicName>
|
||
is similar to
|
||
<taxonomicName id="4C794D75FFB9FFE0262EF97FFD0283FC" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[548,663,1663,1688]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE0262EF97FFD0283FC" box="[548,663,1663,1688]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE026AAF980FD7583FC" box="[672,736,1663,1688]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE026AAF980FD7583FC" bold="true" box="[672,736,1663,1688]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
in having a similarly expanded fusiform shape to the anterior body segments, a peristomium divided into two annular rings, one long and one narrow, and with both surmounted by a low dorsal crest.
|
||
<taxonomicName id="4C794D75FFB9FFE02586F938FDC78384" ID-CoL="TF27" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[396,594,1735,1760]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE02586F938FDC78384" box="[396,594,1735,1760]" italics="true" pageId="3" pageNumber="568">Chaetozone larae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C794D75FFB9FFE02682F937FD6E8384" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[648,763,1735,1760]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE02682F937FD6E8384" box="[648,763,1735,1760]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE02708F938FCD58384" box="[770,832,1735,1760]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE02708F938FCD58384" bold="true" box="[770,832,1735,1760]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
also have a separate achaetous segment following the peristomium from which the dorsal tentacles arise. However,
|
||
<taxonomicName id="4C794D75FFB9FFE0276EF912FC568261" ID-CoL="TF27" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[868,963,1772,1797]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE0276EF912FC568261" box="[868,963,1772,1797]" italics="true" pageId="3" pageNumber="568">C. larae</emphasis>
|
||
</taxonomicName>
|
||
is reported to also have the first pair of branchiae on the achaetous segment instead of setiger 1 as in
|
||
<taxonomicName id="4C794D75FFB9FFE0275FF8EFFC5F824C" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[853,970,1807,1832]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE0275FF8EFFC5F824C" box="[853,970,1807,1832]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE027D8F8F0FB87824C" box="[978,1042,1807,1832]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE027D8F8F0FB87824C" bold="true" box="[978,1042,1807,1832]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
In addition,
|
||
<taxonomicName id="4C794D75FFB9FFE020AFF8EFFA97824C" ID-CoL="TF27" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[1189,1282,1807,1832]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE020AFF8EFFA97824C" box="[1189,1282,1807,1832]" italics="true" pageId="3" pageNumber="568">C. larae</emphasis>
|
||
</taxonomicName>
|
||
has posterior cinctures with 11–13 spines on a side whereas
|
||
<taxonomicName id="4C794D75FFB9FFE026ADF8CAFC898229" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[679,796,1844,1869]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE026ADF8CAFC898229" box="[679,796,1844,1869]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE02729F8CBFCF78229" box="[803,866,1844,1869]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE02729F8CBFCF78229" bold="true" box="[803,866,1844,1869]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
has posterior cinctures with 15–16 spines on side. In addition, the neuropodial spines generally begin more anteriorly in
|
||
<taxonomicName id="4C794D75FFB9FFE027ADF8A7FB968214" ID-CoL="TF27" authorityName="Elias, Rivero & Orensanz" authorityYear="2016" box="[935,1027,1879,1904]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE027ADF8A7FB968214" box="[935,1027,1879,1904]" italics="true" pageId="3" pageNumber="568">C. larae</emphasis>
|
||
</taxonomicName>
|
||
, from setigers 43–74 versus setigers
|
||
<quantity id="4C819B13FFB9FFE0249DF883FF6E82F1" box="[151,251,1916,1941]" metricMagnitude="0" metricUnit="m" metricValue="1.9304" metricValueMax="2.1336" metricValueMin="1.7271999999999998" pageId="3" pageNumber="568" unit="in" value="76.0" valueMax="84.0" valueMin="68.0">68–84 in</quantity>
|
||
<taxonomicName id="4C794D75FFB9FFE02508F882FEE382F1" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[258,374,1916,1941]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFB9FFE02508F882FEE382F1" box="[258,374,1916,1941]" italics="true" pageId="3" pageNumber="568">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFB9FFE02577F883FE2882F1" box="[381,445,1916,1941]" pageId="3" pageNumber="568" rank="species">
|
||
<emphasis id="B90DEAE4FFB9FFE02577F883FE2882F1" bold="true" box="[381,445,1916,1941]" pageId="3" pageNumber="568">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
; however, the segment where the spines begin is typically size related. The illustrations of the spines of
|
||
<taxonomicName id="4C794D75FFB9FFE0254DF85EFD1982DD" ID-CoL="TF27" authority="in Elias et al. (2016)" authorityName="in Elias et al." authorityYear="2016" box="[327,652,1952,1977]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="568" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFB9FFE0254DF85EFE3782DD" box="[327,418,1952,1977]" italics="true" pageId="3" pageNumber="568">C. larae</emphasis>
|
||
in
|
||
<bibRefCitation id="EFE84B07FFB9FFE025CFF85FFD1982DD" box="[453,652,1952,1977]" pageId="3" pageNumber="568" refString="Elias, R., Rivero, M. S. & Orensanz, J. M. (2016) New species of Monticellina and Chaetozone (Polychaeta: Cirratulidae) in the SW Atlantic, and a review of Monticellina species. Journal of the Marine Biological Association of the United Kingdom, 1 - 11. [published online] https: // doi. org / 10.1017 / S 0025315416000771" type="book chapter">
|
||
Elias
|
||
<emphasis id="B90DEAE4FFB9FFE02609F85EFDA782DD" box="[515,562,1952,1977]" italics="true" pageId="3" pageNumber="568">et al</emphasis>
|
||
. (2016)
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
suggest that they are shorter and with more of a curvature than those of
|
||
<taxonomicName id="4C794D75FFBDFFE424B2FF67FEBA85D4" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[184,303,151,176]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBDFFE424B2FF67FEBA85D4" box="[184,303,151,176]" italics="true" pageId="7" pageNumber="572">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBDFFE42533FF68FEEE85D4" box="[313,379,151,176]" pageId="7" pageNumber="572" rank="species">
|
||
<emphasis id="B90DEAE4FFBDFFE42533FF68FEEE85D4" bold="true" box="[313,379,151,176]" pageId="7" pageNumber="572">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
The most distinctive difference between these species, however, is with the Methyl Green staining pattern:
|
||
<taxonomicName id="4C794D75FFBDFFE4255DFF42FE2085B1" ID-CoL="TF27" box="[343,437,188,213]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="larae">
|
||
<emphasis id="B90DEAE4FFBDFFE4255DFF42FE2085B1" box="[343,437,188,213]" italics="true" pageId="7" pageNumber="572">C. larae</emphasis>
|
||
</taxonomicName>
|
||
has no defined pattern, whereas
|
||
<taxonomicName id="4C794D75FFBDFFE42739FF42FC3D85B1" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[819,936,188,213]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBDFFE42739FF42FC3D85B1" box="[819,936,188,213]" italics="true" pageId="7" pageNumber="572">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBDFFE427BBFF43FC6785B1" box="[945,1010,188,213]" pageId="7" pageNumber="572" rank="species">
|
||
<emphasis id="B90DEAE4FFBDFFE427BBFF43FC6785B1" bold="true" box="[945,1010,188,213]" pageId="7" pageNumber="572">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
has numerous subdermal glands that stain with Methyl Green and produce distinctive staining patterns along the entire body.
|
||
<taxonomicName id="4C794D75FFBDFFE4208AFF20FAFA859C" ID-CoL="5XQL2" authorityName="Blake" authorityYear="2015" box="[1152,1391,223,248]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="bathyala">
|
||
<emphasis id="B90DEAE4FFBDFFE4208AFF20FAFA859C" box="[1152,1391,223,248]" italics="true" pageId="7" pageNumber="572">Chaetozone bathyala</emphasis>
|
||
</taxonomicName>
|
||
has weakly expanded anterior segments, but this area is not prominent and does not resemble the swollen segments of
|
||
<taxonomicName id="4C794D75FFBDFFE4249DFED7FE9B8424" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[151,270,295,320]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBDFFE4249DFED7FE9B8424" box="[151,270,295,320]" italics="true" pageId="7" pageNumber="572">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBDFFE4251DFED8FECC8424" box="[279,345,295,320]" pageId="7" pageNumber="572" rank="species">
|
||
<emphasis id="B90DEAE4FFBDFFE4251DFED8FECC8424" bold="true" box="[279,345,295,320]" pageId="7" pageNumber="572">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
The presence of a complete post-peristomial achaetous segment preceding the first setigerous segment has been reported for several North American species:
|
||
</paragraph>
|
||
<caption id="DF06667EFFBEFFE7249DF871FEAD8286" httpUri="https://zenodo.org/record/855621/files/figure.png" pageId="4" pageNumber="569" targetBox="[200,1412,212,1882]" targetPageId="4">
|
||
<paragraph id="8BC636F6FFBEFFE7249DF871FEAD8286" blockId="4.[151,1436,1934,2018]" pageId="4" pageNumber="569">
|
||
<emphasis id="B90DEAE4FFBEFFE7249DF871FE8782C0" bold="true" box="[151,274,1934,1956]" pageId="4" pageNumber="569">FIGURE 1.</emphasis>
|
||
<taxonomicName id="4C794D75FFBEFFE72512F871FE7482C0" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[280,481,1934,1956]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="569" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBEFFE72512F871FE7482C0" box="[280,481,1934,1956]" italics="true" pageId="4" pageNumber="569">Chaetozone elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBEFFE725ECF871FD8A82C0" box="[486,543,1934,1956]" pageId="4" pageNumber="569" rank="species">
|
||
<emphasis id="B90DEAE4FFBEFFE725ECF871FD8A82C0" bold="true" box="[486,543,1934,1956]" pageId="4" pageNumber="569">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
A, anterior end of body, dorsal view; B, detail of pre-setigerous region and setigers 1–3, dorsal view; C, far posterior segments and pygidium, dorsal view; D, posterior notopodial spines and capillary. Paratypes (MCZ 143234).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF06667EFFBFFFE6249DF892FB3982BB" httpUri="https://zenodo.org/record/855625/files/figure.png" pageId="5" pageNumber="570" targetBox="[208,1384,204,1873]" targetPageId="5">
|
||
<paragraph id="8BC636F6FFBFFFE6249DF892FB3982BB" blockId="5.[151,1435,1901,2015]" pageId="5" pageNumber="570">
|
||
<emphasis id="B90DEAE4FFBFFFE6249DF892FE8682E7" bold="true" box="[151,275,1901,1923]" pageId="5" pageNumber="570">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C794D75FFBFFFE62513F892FE7782E7" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[281,482,1901,1923]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="570" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBFFFE62513F892FE7782E7" box="[281,482,1901,1923]" italics="true" pageId="5" pageNumber="570">Chaetozone elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBFFFE625E3F892FDB782E7" box="[489,546,1901,1923]" pageId="5" pageNumber="570" rank="species">
|
||
<emphasis id="B90DEAE4FFBFFFE625E3F892FD8982E7" bold="true" box="[489,540,1901,1923]" pageId="5" pageNumber="570">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
A, SEM of pre-setigerous region and anteriormost segment, right lateral view; B, SEM of posterior segments, right lateral view; C, Photomicrograph of far posterior parapodium, cross section, anterior view; D, detail of notopodial spines and capillaries from same; E, SEM of notopodial spines; F, Photomicrograph of posterior end and pygidium, dorsal view. A–B, E, paratype (NMHN-1A-TYPE 1802); C–D, F, paratypes MCZ (143234).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF06667EFFBCFFE5249DF88EFC0E8287" httpUri="https://zenodo.org/record/855629/files/figure.png" pageId="6" pageNumber="571" targetBox="[171,1429,197,1881]" targetPageId="6">
|
||
<paragraph id="8BC636F6FFBCFFE5249DF88EFC0E8287" blockId="6.[151,1436,1905,2019]" pageId="6" pageNumber="571">
|
||
<emphasis id="B90DEAE4FFBCFFE5249DF88EFE8382E3" bold="true" box="[151,278,1905,1927]" pageId="6" pageNumber="571">FIGURE 3.</emphasis>
|
||
<taxonomicName id="4C794D75FFBCFFE5252AF88EFE7882E3" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[288,493,1905,1927]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="6" pageNumber="571" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBCFFE5252AF88EFE7882E3" box="[288,493,1905,1927]" italics="true" pageId="6" pageNumber="571">Chaetozone elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBCFFE525FCF88EFDA682E3" box="[502,563,1905,1927]" pageId="6" pageNumber="571" rank="species">
|
||
<emphasis id="B90DEAE4FFBCFFE525FCF88EFDA682E3" bold="true" box="[502,563,1905,1927]" pageId="6" pageNumber="571">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
Photomicrographs. A, anterior end of unstained paratype, right lateral view; B–E, paratypes stained with Methyl Green: B, anterior end, dorso-lateral view; C, another specimen, dorsal view; D, same specimen with anterior and middle segments; E, third specimen, anterior end, left lateral view. Arrows denote stained areas described in text. A, paratype (NMHN-1A-TYPE 1802); B–E, paratypes MCZ (143234).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC636F6FFBDFFE424CDFE90FBA784B4" blockId="7.[151,1436,151,573]" pageId="7" pageNumber="572">
|
||
<emphasis id="B90DEAE4FFBDFFE424CDFE90FE2F84EC" box="[199,442,367,392]" italics="true" pageId="7" pageNumber="572">
|
||
<taxonomicName id="4C794D75FFBDFFE424CDFE90FE2284EC" ID-CoL="5XQL2" authorityName="Blake" authorityYear="2015" box="[199,439,367,392]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="bathyala">Chaetozone bathyala</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
<taxonomicName id="4C794D75FFBDFFE425CBFE8FFD2284EC" ID-CoL="5Y2KR" authority="Blake, 2015" authorityName="Blake" authorityYear="2015" box="[449,695,367,392]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="careyi">
|
||
<emphasis id="B90DEAE4FFBDFFE425CBFE8FFDB284EC" box="[449,551,368,392]" italics="true" pageId="7" pageNumber="572">C. careyi</emphasis>
|
||
<bibRefCitation id="EFE84B07FFBDFFE42627FE90FD2284EC" author="Blake" box="[557,695,367,392]" pageId="7" pageNumber="572" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake, 2015</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C794D75FFBDFFE426C8FE8FFC7E84EC" ID-CoL="TF2B" authority="Blake, 2015" authorityName="Blake" authorityYear="2015" box="[706,1003,367,392]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="malmgreni">
|
||
<emphasis id="B90DEAE4FFBDFFE426C8FE8FFCCF84EC" box="[706,858,367,392]" italics="true" pageId="7" pageNumber="572">C. malmgreni</emphasis>
|
||
<bibRefCitation id="EFE84B07FFBDFFE4276BFE90FC7E84EC" author="Blake" box="[865,1003,367,392]" pageId="7" pageNumber="572" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake, 2015</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C794D75FFBDFFE427FCFE8FFB6684EC" ID-CoL="85NQ3" authority="Blake, 2006" authorityName="Blake" authorityYear="2006" box="[1014,1267,367,392]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="palaea">
|
||
<emphasis id="B90DEAE4FFBDFFE427FCFE8FFB9C84E3" box="[1014,1033,368,391]" italics="true" pageId="7" pageNumber="572">C</emphasis>
|
||
.
|
||
<emphasis id="B90DEAE4FFBDFFE4201CFE90FBF784EC" box="[1046,1122,367,392]" italics="true" pageId="7" pageNumber="572">palaea</emphasis>
|
||
Blake, 2006
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C794D75FFBDFFE420F7FE8FFEB784C9" ID-CoL="TF2H" authority="Blake, 2015" authorityName="Blake, Achaetous Segment" authorityYear="2015" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="pigmentata">
|
||
<emphasis id="B90DEAE4FFBDFFE420F7FE8FFA0984EC" box="[1277,1436,368,392]" italics="true" pageId="7" pageNumber="572">C. pigmentata</emphasis>
|
||
<bibRefCitation id="EFE84B07FFBDFFE4249DFE6BFEB784C9" author="Blake" box="[151,290,404,429]" pageId="7" pageNumber="572" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake, 2015</bibRefCitation>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C794D75FFBDFFE42554FE6AFD0484C9" ID-CoL="TF2L" authority="Blake, 2015" authorityName="Blake" authorityYear="2015" box="[350,657,404,429]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="pugettensis">
|
||
<emphasis id="B90DEAE4FFBDFFE42554FE6AFE6884C8" box="[350,509,405,428]" italics="true" pageId="7" pageNumber="572">C. pugettensis</emphasis>
|
||
<bibRefCitation id="EFE84B07FFBDFFE4260FFE6BFD0484C9" author="Blake" box="[517,657,404,429]" pageId="7" pageNumber="572" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake, 2015</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFE84B07FFBDFFE42696FE6BFCA584C9" author="Blake" box="[668,816,404,429]" pageId="7" pageNumber="572" refString="Blake, J. A. (2015) New species of Chaetozone and Tharyx (Polychaeta: Cirratulidae) from the Alaskan and Canadian Arctic and the Northeastern Pacific, including a description of the lectotype of Chaetozone setosa Malmgren from Spitsbergen in the Norwegian Arctic. Zootaxa, 3919 (3), 501 - 552. https: // doi. org / 10.11646 / zootaxa. 3919.3.5" type="journal article" year="2015">Blake (2015)</bibRefCitation>
|
||
provided comparative details of these species; none of these species has a large swollen anterior region similar to that of
|
||
<taxonomicName id="4C794D75FFBDFFE42773FE47FC7884B4" ID-CoL="69QKT" authority="Lavesque, 2017" authorityName="Lavesque" authorityYear="2017" box="[889,1005,439,464]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="7" pageNumber="572" phylum="Annelida" rank="species" species="elakata" status="sp. nov.">
|
||
<emphasis id="B90DEAE4FFBDFFE42773FE47FC7884B4" box="[889,1005,439,464]" italics="true" pageId="7" pageNumber="572">C. elakata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23E579FFFBDFFE427F9FE48FBA784B4" box="[1011,1074,439,464]" pageId="7" pageNumber="572" rank="species">
|
||
<emphasis id="B90DEAE4FFBDFFE427F9FE48FBA784B4" bold="true" box="[1011,1074,439,464]" pageId="7" pageNumber="572">n. sp.</emphasis>
|
||
</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFBDFFE424CDFE23FC988773" pageId="7" pageNumber="572" type="etymology">
|
||
<paragraph id="8BC636F6FFBDFFE424CDFE23FC988773" blockId="7.[151,1436,151,573]" pageId="7" pageNumber="572">
|
||
<emphasis id="B90DEAE4FFBDFFE424CDFE23FEDB8491" bold="true" box="[199,334,476,501]" pageId="7" pageNumber="572">Etymology.</emphasis>
|
||
The epithet is derived from
|
||
<emphasis id="B90DEAE4FFBDFFE426A2FE23FD6C8491" box="[680,761,476,501]" italics="true" pageId="7" pageNumber="572">elakate</emphasis>
|
||
, Greek for spindle, referring to the distinctive spindle or fusiform shape of the anterior segments of these worms.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C363657DFFBDFFE424CDFDDBFCAE8759" box="[199,827,548,573]" pageId="7" pageNumber="572" type="distribution">
|
||
<paragraph id="8BC636F6FFBDFFE424CDFDDBFCAE8759" blockId="7.[151,1436,151,573]" box="[199,827,548,573]" pageId="7" pageNumber="572">
|
||
<emphasis id="B90DEAE4FFBDFFE424CDFDDBFEF58759" bold="true" box="[199,352,548,573]" pageId="7" pageNumber="572">Distribution.</emphasis>
|
||
Bay of Biscay,
|
||
<quantity id="4C819B13FFBDFFE42618FDDBFDDE8758" box="[530,587,548,573]" metricMagnitude="1" metricUnit="m" metricValue="6.0" pageId="7" pageNumber="572" unit="m" value="60.0">60 m</quantity>
|
||
in muddy sediments.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |