318 lines
47 KiB
XML
318 lines
47 KiB
XML
<document id="2A279D9285B260699C9DCE221D1C8B82" ID-DOI="10.3853/j.2201-4349.75.2023.1799" ID-ISSN="2201-4349" ID-Zenodo-Dep="10414165" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1703108759495" checkinUser="felipe" docAuthor="Blake, James A." docDate="2023" docId="03B987C1FFC1ED53B6F2FAAC6A2FFE67" docLanguage="en" docName="RecAustMus.75.3.249-270.pdf" docOrigin="Records of the Australian Museum (Rec. Aust. Mus.) 75 (3)" docSource="http://dx.doi.org/10.3853/j.2201-4349.75.2023.1799" docStyle="DocumentStyle:997BA24B490466A2F99594A367FA147F.4:RecAustMus.2019-.journal_article.0cover" docStyleId="997BA24B490466A2F99594A367FA147F" docStyleName="RecAustMus.2019-.journal_article.0cover" docStyleVersion="4" docTitle="Chaetozone adusta Blake 2023, sp. nov." docType="treatment" docUuid="ED16634E-8008-4EC0-9029-6109605A7754" docUuidSource="ZooBank" docVersion="2" lastPageNumber="265" masterDocId="FF80FFB9FFCCED43B619FF806B42FF93" masterDocTitle="New Species of Cirratulidae (Annelida) from Continental Slope and Abyssal Depths off Eastern Australia" masterLastPageNumber="270" masterPageNumber="249" pageNumber="262" updateTime="1703110597725" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="01A68C2117984B2EBCE0D0A84DF8ABE2">New Species of Cirratulidae (Annelida) from Continental Slope and Abyssal Depths off Eastern Australia</mods:title>
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<mods:name id="1A386D78C94D9908BFAAFB3F10150D50" type="personal">
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<mods:roleTerm id="A53FDBECDF25569FE7600DD7C68C59ED">Author</mods:roleTerm>
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<mods:namePart id="63A01B65A1F41C3832D8521F059F1A8F">Blake, James A.</mods:namePart>
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<mods:typeOfResource id="093445515D0078C08E55091AB9C46CD0">text</mods:typeOfResource>
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<mods:title id="AB2E96D01A9B492BB73B692DFCE0C9AC">Records of the Australian Museum</mods:title>
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<mods:part id="57AEB959953CE3B71C121180676E41E6">
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<mods:date id="47E901E8921B0218D70C46E05651A519">2023</mods:date>
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<mods:title id="EC3F97DF968B81CA93F1D49D249CF591">Rec. Aust. Mus.</mods:title>
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<mods:number id="B79CE60639FC470CE2100407F8D6B481">2023-05-17</mods:number>
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<mods:number id="2E26DD3A63B3E9232C512CF988173E06">75</mods:number>
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<mods:detail id="D00316C9B32C1FD7610A9622A849E742" type="issue">
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<mods:number id="362CAF4D0720175979573C8E4A01157A">3</mods:number>
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<mods:start id="8B841D5643E6CE07F1A3FF54FD9633D2">249</mods:start>
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<mods:url id="CC1B4A679F3525FEC37D4A0EB12201CD">http://dx.doi.org/10.3853/j.2201-4349.75.2023.1799</mods:url>
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<mods:classification id="8F32D217ACDB847764AF71022BFA1750">journal article</mods:classification>
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<mods:identifier id="B3807C943F3398B72E3C5AA5E5BC7278" type="DOI">10.3853/j.2201-4349.75.2023.1799</mods:identifier>
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<treatment id="03B987C1FFC1ED53B6F2FAAC6A2FFE67" LSID="urn:lsid:zoobank.org:act:ED16634E-8008-4EC0-9029-6109605A7754" httpUri="http://treatment.plazi.org/id/03B987C1FFC1ED53B6F2FAAC6A2FFE67" lastPageId="16" lastPageNumber="265" pageId="13" pageNumber="262">
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<subSubSection id="C30A655CFFC1ED4EB6F2FAAC699AFAFC" pageId="13" pageNumber="262" type="nomenclature">
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<paragraph id="8BAF36D7FFC1ED4EB6F2FAAC6938FADF" blockId="13.[235,634,1324,1356]" box="[235,634,1324,1356]" pageId="13" pageNumber="262">
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<heading id="D0E781BBFFC1ED4EB6F2FAAC6938FADF" bold="true" box="[235,634,1324,1356]" centered="true" fontSize="12" level="2" pageId="13" pageNumber="262" reason="2">
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<emphasis id="B964EAC5FFC1ED4EB6F2FAAC6938FADF" bold="true" box="[235,634,1324,1356]" pageId="13" pageNumber="262">
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<taxonomicName id="4C104D54FFC1ED4EB6F2FAAC6ABDFAD8" ID-CoL="BDS5P" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[235,511,1324,1355]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
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<emphasis id="B964EAC5FFC1ED4EB6F2FAAC6ABDFAD8" bold="true" box="[235,511,1324,1355]" italics="true" pageId="13" pageNumber="262">Chaetozone adusta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A25757BEFFC1ED4EB410FAAD6938FADF" box="[521,634,1325,1356]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BAF36D7FFC1ED4EB697FADD699AFAFC" blockId="13.[142,728,1373,1391]" box="[142,728,1373,1391]" pageId="13" pageNumber="262">
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<uri id="FF813AD5FFC1ED4EB697FADD699AFAFC" box="[142,728,1373,1391]" pageId="13" pageNumber="262">
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urn:lsid:zoobank.org:act:
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<uuid id="FFB60C02FFC1ED4EB74DFADD699AFAFC" box="[340,728,1373,1391]" pageId="13" pageNumber="262">ED16634E-8008-4EC0-9029-6109605A7754</uuid>
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</uri>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30A655CFFC1ED4EB76EFA096AACFA37" box="[375,494,1417,1444]" pageId="13" pageNumber="262" type="description">
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<paragraph id="8BAF36D7FFC1ED4EB76EFA096AACFA37" blockId="13.[375,494,1417,1444]" box="[375,494,1417,1444]" pageId="13" pageNumber="262">
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<figureCitation id="132B2A52FFC1ED4EB76EFA096AACFA37" box="[375,494,1417,1444]" captionStart-0="Figure 9" captionStart-1="Figure 10" captionStartId-0="14.[166,234,1712,1734]" captionStartId-1="15.[121,188,1883,1905]" captionTargetBox-0="[187,1408,161,1683]" captionTargetBox-1="[121,1421,151,1864]" captionTargetId-0="figure-6@14.[166,1466,148,1694]" captionTargetId-1="figure-9@15.[121,1421,151,1864]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionText-0="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." captionText-1="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi-0="http://doi.org/10.5281/zenodo.10414183" figureDoi-1="http://doi.org/10.5281/zenodo.10414185" httpUri-0="https://zenodo.org/record/10414183/files/figure.png" httpUri-1="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Figs 9–10</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30A655CFFC1ED4EB660FA36693DF9B5" pageId="13" pageNumber="262" type="materials_examined">
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<paragraph id="8BAF36D7FFC1ED4EB660FA36693DF9B5" blockId="13.[121,749,1462,1574]" pageId="13" pageNumber="262">
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<materialsCitation id="3B783C8AFFC1ED4EB660FA36693DF9B5" collectingDate="2017-05-24" collectionCode="RV, AM" country="Australia" county="Brenke" elevation="4107" latitude="-38.498" location="Abyssal" longLatPrecision="70" longitude="150.207" municipality="East Gippsland Marine Park" pageId="13" pageNumber="262" specimenCount="1" stateProvince="Victoria" typeStatus="holotype">
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<emphasis id="B964EAC5FFC1ED4EB660FA366BA3FA5D" bold="true" box="[121,225,1462,1486]" pageId="13" pageNumber="262">
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<typeStatus id="54AB8875FFC1ED4EB660FA366BA3FA5D" box="[121,225,1462,1486]" pageId="13" pageNumber="262" type="holotype">Holotype</typeStatus>
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</emphasis>
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:
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<location id="8ECF600CFFC1ED4EB6F6FA366A07FA5D" LSID="urn:lsid:plazi:treatment:03B987C1FFC1ED53B6F2FAAC6A2FFE67:8ECF600CFFC1ED4EB6F6FA366A07FA5D" box="[239,325,1462,1486]" country="Australia" county="Brenke" latitude="-38.498" longLatPrecision="70" longitude="150.207" municipality="East Gippsland Marine Park" name="Abyssal" pageId="13" pageNumber="262" stateProvince="Victoria">Abyssal</location>
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plain off southeastern
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<collectingRegion id="49D4F835FFC1ED4EB425FA3669D7FA5D" box="[572,661,1462,1486]" country="Australia" name="Victoria" pageId="13" pageNumber="262">Victoria</collectingRegion>
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, eastern
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<collectingCountry id="F3077647FFC1ED4EB660FA536B9EFA78" box="[121,220,1491,1515]" name="Australia" pageId="13" pageNumber="262">Australia</collectingCountry>
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,
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<collectingMunicipality id="6BCBACADFFC1ED4EB6FDFA546949FA78" box="[228,523,1491,1515]" pageId="13" pageNumber="262">East Gippsland Marine Park</collectingMunicipality>
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,
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<collectionCode id="ED01AE12FFC1ED4EB40AFA546977FA78" box="[531,565,1492,1515]" country="Italy" name="Collection of Leptospira Strains" pageId="13" pageNumber="262">RV</collectionCode>
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<taxonomicName id="4C104D54FFC1ED4EB423FA5469AFFA78" authority=", Sta." authorityName="Sta." box="[570,749,1491,1515]" class="Actinopterygii" family="Nemichthyidae" genus="Investigator" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anguilliformes" pageId="13" pageNumber="262" phylum="Chordata" rank="genus">
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<emphasis id="B964EAC5FFC1ED4EB423FA5469FBFA78" box="[570,697,1492,1515]" italics="true" pageId="13" pageNumber="262">Investigator</emphasis>
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, Sta.
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</taxonomicName>
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||
033, coll.
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||
<date id="FFAE1017FFC1ED4EB6C6FA716A2EF99A" box="[223,364,1521,1545]" pageId="13" pageNumber="262" value="2017-05-24">
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||
<collectingDate id="EFEAE9FFFFC1ED4EB6C6FA716A2EF99A" box="[223,364,1521,1545]" pageId="13" pageNumber="262" value="2017-05-24">24 May 2017</collectingDate>
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</date>
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,
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<collectingCounty id="62CE4E5BFFC1ED4EB76DFA716A82F99A" box="[372,448,1521,1545]" pageId="13" pageNumber="262">Brenke</collectingCounty>
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sledge,
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<geoCoordinate id="EE245010FFC1ED4EB40DFA706934F99A" box="[532,630,1520,1545]" degrees="38.521" direction="south" orientation="latitude" pageId="13" pageNumber="262" precision="55" value="-38.521">38.521°S</geoCoordinate>
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<geoCoordinate id="EE245010FFC1ED4EB465FA7069AFF99B" box="[636,749,1520,1544]" degrees="153.213" direction="east" orientation="longitude" pageId="13" pageNumber="262" precision="55" value="153.213">153.213°E</geoCoordinate>
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to
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||
<geoCoordinate id="EE245010FFC1ED4EB68DF98E6BBAF9B5" box="[148,248,1550,1574]" degrees="38.498" direction="south" orientation="latitude" pageId="13" pageNumber="262" precision="55" value="-38.498">38.498°S</geoCoordinate>
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<geoCoordinate id="EE245010FFC1ED4EB6E7F98E6A30F9B5" box="[254,370,1550,1574]" degrees="150.207" direction="east" orientation="longitude" pageId="13" pageNumber="262" precision="55" value="150.207">150.207°E</geoCoordinate>
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,
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<quantity id="4CE89B32FFC1ED4EB764F98E6A8CF9B6" box="[381,462,1550,1574]" metricMagnitude="3" metricUnit="m" metricValue="4.107" pageId="13" pageNumber="262" unit="m" value="4107.0">
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<elevation id="003DD1E4FFC1ED4EB764F98E6A8CF9B6" box="[381,462,1550,1574]" metricMagnitude="3" metricUnit="m" metricValue="4.107" pageId="13" pageNumber="262" unit="m" value="4107.0">4107 m</elevation>
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</quantity>
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(
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||
<collectionCode id="ED01AE12FFC1ED4EB7C2F98E694AF9B5" box="[475,520,1550,1574]" country="Australia" name="Australian Museum" pageId="13" pageNumber="262" type="Museum">AM</collectionCode>
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W.52709).
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C30A655CFFC1ED4EB660F9BB6FE2FAE7" pageId="13" pageNumber="262" type="description">
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<paragraph id="8BAF36D7FFC1ED4EB660F9BB68D0FEB6" blockId="13.[121,749,1595,1972]" lastBlockId="13.[793,1422,151,1349]" pageId="13" pageNumber="262">
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<emphasis id="B964EAC5FFC1ED4EB660F9BB6A42F9C0" bold="true" box="[121,256,1595,1619]" pageId="13" pageNumber="262">Description</emphasis>
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. A moderately-sized species,
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<typeStatus id="54AB8875FFC1ED4EB44BF9BB69F3F9C0" box="[594,689,1595,1619]" pageId="13" pageNumber="262" type="holotype">holotype</typeStatus>
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only specimen, incomplete, broken in two pieces, with 39 setigers,
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<quantity id="4CE89B32FFC1ED4EB660F9F66B88F91E" box="[121,202,1654,1678]" metricMagnitude="-3" metricUnit="m" metricValue="8.4" pageId="13" pageNumber="262" unit="mm" value="8.4">8.4 mm</quantity>
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||
long,
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<quantity id="4CE89B32FFC1ED4EB709F9F66A2DF91E" box="[272,367,1654,1678]" metricMagnitude="-4" metricUnit="m" metricValue="3.8" pageId="13" pageNumber="262" unit="mm" value="0.38">0.38 mm</quantity>
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wide across setiger 1 and
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||
<quantity id="4CE89B32FFC1ED4EB494F9F669AEF91E" box="[653,748,1654,1678]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" pageId="13" pageNumber="262" unit="mm" value="0.8">0.80 mm</quantity>
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across widest thoracic segments. Body with narrow pre-setiger region and about first eight setigers then expanding (
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<figureCitation id="132B2A52FFC1ED4EB698F94E6BA1F975" box="[129,227,1742,1766]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10A</figureCitation>
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) and becoming widest over setigers 14–20, then narrowing posteriorly (
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||
<figureCitation id="132B2A52FFC1ED4EB76DF96B6A9BF890" box="[372,473,1771,1795]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10A</figureCitation>
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). All anterior and middle setigers short; anterior setigers about 4.5 times as wide as long; widest middle setigers about ten times wider than long; posterior setigers narrowing (
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||
<figureCitation id="132B2A52FFC1ED4EB41DF8C36929F8C8" box="[516,619,1859,1883]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10A</figureCitation>
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), becoming moniliform, about as wide as long (
|
||
<figureCitation id="132B2A52FFC1ED4EB7FDF8E16906F8EA" box="[484,580,1889,1913]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10D</figureCitation>
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). Simple ventral groove present from anterior border of setiger 1 (
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<figureCitation id="132B2A52FFC1ED4EB46DF8FE6987F805" box="[628,709,1918,1942]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9B</figureCitation>
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); in middle setigers, groove joined by a conspicuous mid-ventral swelling at junction of each segment on venter. Colour in alcohol light tan; body with areas of dark pigment along most of body, mostly concentrated in intersegmental areas and as parapodial bands (
|
||
<figureCitation id="132B2A52FFC1ED4EB5E7FF6F6F3CFE9B" box="[1022,1150,239,264]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10A–C</figureCitation>
|
||
arrows); some branchiae pigmented.
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB521FEAA68ACFCC1" blockId="13.[793,1422,151,1349]" pageId="13" pageNumber="262">
|
||
Pre-setiger region about as long as first five setigers, consisting of a long, narrow prostomium, followed by a bulbous first peristomial ring and smooth second ring (
|
||
<figureCitation id="132B2A52FFC1ED4EB37BFEE5687CFE09" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9A</figureCitation>
|
||
). Prostomium tapering anteriorly to a narrow tip (
|
||
<figureCitation id="132B2A52FFC1ED4EB347FE02681EFE2B" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Figs 9A–B</figureCitation>
|
||
,
|
||
<figureCitation id="132B2A52FFC1ED4EB57FFE2068FAFE2B" box="[870,952,416,440]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">10A–B</figureCitation>
|
||
); eyespots absent; nuchal organs visible in a pit on dorsolateral margin (
|
||
<figureCitation id="132B2A52FFC1ED4EB22BFE3D6FD6FE46" box="[1074,1172,445,469]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">Fig. 10A</figureCitation>
|
||
). Peristomium with first bulbous ring merging with prostomium dorsally (
|
||
<figureCitation id="132B2A52FFC1ED4EB336FE5A6ECBFE61" box="[1327,1417,474,498]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Figs 9A</figureCitation>
|
||
,
|
||
<figureCitation id="132B2A52FFC1ED4EB503FE78682AFD83" box="[794,872,504,528]" captionStart="Figure 10" captionStartId="15.[121,188,1883,1905]" captionTargetBox="[121,1421,151,1864]" captionTargetId="figure-9@15.[121,1421,151,1864]" captionTargetPageId="15" captionText="Figure 10. Chaetozone adusta sp. nov.Photomicrographs.(A–D) holotype (AM W.52709).(A) anterior and middle body segments, dorsal view, brown pigment emphasized; (B) anterior end, dorsal view, arrows denoting brown pigment; (C) middle body segments showing brown pigment; (D) posterior moniliform segments, lateral view.All stained with Shirlastain A; arrows indicate pigment." figureDoi="http://doi.org/10.5281/zenodo.10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="13" pageNumber="262">10A–B</figureCitation>
|
||
) and forming anterior lip of mouth ventrally (
|
||
<figureCitation id="132B2A52FFC1ED4EB37BFE776879FDBE" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9B</figureCitation>
|
||
); second peristomial ring rectangular, merging seamlessly with setiger 1 dorsally (
|
||
<figureCitation id="132B2A52FFC1ED4EB207FDB26F34FDD9" box="[1054,1142,562,586]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9A</figureCitation>
|
||
), forming posterior lip of mouth ventrally, then merging with setiger 1 posteriorly (
|
||
<figureCitation id="132B2A52FFC1ED4EB53BFDED6835FD16" box="[802,887,621,645]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9B</figureCitation>
|
||
). Three ciliated oral lobes observed within mouth opening (
|
||
<figureCitation id="132B2A52FFC1ED4EB566FD0A6896FD31" box="[895,980,650,674]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9B</figureCitation>
|
||
). Dorsal tentacles arising from middle of second peristomial ring with first pair of branchiae arising posterior to tentacles on posterior margin (
|
||
<figureCitation id="132B2A52FFC1ED4EB2C1FD456E6FFD4E" box="[1240,1325,709,733]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9A</figureCitation>
|
||
). Second pair of branchiae on posterior border of setiger 1 dorsal to notosetae; subsequent branchiae in similar position; most branchiae missing with location observed as scars or stubs along most of body.
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB521FCD76F3DFABB" blockId="13.[793,1422,151,1349]" pageId="13" pageNumber="262">
|
||
Parapodia of anterior setigers reduced to low mounds from which setae arise; middle expanded setigers with parapodia more prominent, narrow, forming lateral lobes; posterior segments again with parapodia reduced.Anterior setae all long capillaries numbering about 7–9 per fascicle, including long natatory-like setae in most notopodia of anterior and middle segments. Acicular spines from setiger
|
||
<quantity id="4CE89B32FFC1ED4EB2A8FB886FA4FB8C" box="[1201,1254,1031,1056]" metricMagnitude="-1" metricUnit="m" metricValue="6.096" pageId="13" pageNumber="262" unit="in" value="24.0">24 in</quantity>
|
||
neuropodia and setiger
|
||
<quantity id="4CE89B32FFC1ED4EB57DFBA568DAFBAE" box="[868,920,1061,1085]" metricMagnitude="-1" metricUnit="m" metricValue="7.874" pageId="13" pageNumber="262" unit="in" value="31.0">31 in</quantity>
|
||
notopodia. Spines numbering five in neuropodia and three in notopodia in setiger 38 or with eight spines on a side, but not as cinctures; however, nature of far posterior segments and spines unknown. Spines accompanied by 1–2 capillaries in neuropodia and
|
||
<quantity id="4CE89B32FFC1ED4EB243FB1A6FE2FB21" box="[1114,1184,1178,1202]" metricMagnitude="-2" metricUnit="m" metricValue="8.89" metricValueMax="10.16" metricValueMin="7.62" pageId="13" pageNumber="262" unit="in" value="3.5" valueMax="4.0" valueMin="3.0">3–4 in</quantity>
|
||
notopodia. Individual neuropodial spines with basal manubrium near emergence from podial lobes, thick, weakly curved, tapering to narrow pointed tip (
|
||
<figureCitation id="132B2A52FFC1ED4EB58FFB7268ABFA99" box="[918,1001,1266,1290]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9D</figureCitation>
|
||
); notopodial spines longer and straighter than neuropodial spines (
|
||
<figureCitation id="132B2A52FFC1ED4EB239FA8F6F31FABB" box="[1056,1139,1295,1320]" captionStart="Figure 9" captionStartId="14.[166,234,1712,1734]" captionTargetBox="[187,1408,161,1683]" captionTargetId="figure-6@14.[166,1466,148,1694]" captionTargetPageId="14" captionText="Figure 9. Chaetozone adusta sp. nov. (A–D) holotype (AM W.52709). (A) anterior end, dorsal view; (B) pre-setiger region, ventral view; (C) notoacicular spine; (D) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="13" pageNumber="262">Fig. 9C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB521FAAD6F53FAD6" blockId="13.[793,1422,151,1349]" box="[824,1041,1325,1349]" pageId="13" pageNumber="262">Pygidium unknown.</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB503FADD6FE2FAE7" blockId="13.[794,1184,1373,1397]" box="[794,1184,1373,1397]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB503FADD6F5BFAE6" bold="true" box="[794,1049,1373,1397]" pageId="13" pageNumber="262">Methyl Green staining</emphasis>
|
||
. No pattern.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFC1ED53B503FA0A696CFED1" lastPageId="16" lastPageNumber="265" pageId="13" pageNumber="262" type="discussion">
|
||
<paragraph id="8BAF36D7FFC1ED4EB503FA0A6E6AF91E" blockId="13.[794,1422,1418,1971]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB503FA0A68C0FA31" bold="true" box="[794,898,1418,1442]" pageId="13" pageNumber="262">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C104D54FFC1ED4EB596FA0A6F19FA31" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[911,1115,1418,1442]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB596FA0A6F19FA31" box="[911,1115,1418,1442]" italics="true" pageId="13" pageNumber="262">Chaetozone adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB27BFA0B6FF6FA31" box="[1122,1204,1419,1442]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is easily recognized by the nature of the two peristomial rings of which the first is enlarged and bulbous and the second is smooth and merges with setiger 1 as well as the narrow anterior segments that transition to a distinctly enlarged middle section that then narrow to moniliform posterior segments. In addition, the body is distinctly pigmented with brown areas along most of its length, including distinct bands on the anterior borders of individual anterior and middle body segments.
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4DB521F912694CF826" blockId="13.[794,1422,1418,1971]" lastBlockId="14.[166,796,1803,2003]" lastPageId="14" lastPageNumber="263" pageId="13" pageNumber="262">
|
||
<taxonomicName id="4C104D54FFC1ED4EB521F9126F4FF939" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[824,1037,1682,1706]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB521F9126F4FF939" box="[824,1037,1682,1706]" italics="true" pageId="13" pageNumber="262">Chaetozone adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB201F9136F33F939" box="[1048,1137,1683,1706]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is most similar morphologically to two other deep-water species:
|
||
<taxonomicName id="4C104D54FFC1ED4EB312F92F68BEF976" authority="Blake, 2019" authorityName="Blake" authorityYear="2019" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="grasslei">
|
||
<emphasis id="B964EAC5FFC1ED4EB312F92F682CF976" italics="true" pageId="13" pageNumber="262">Chaetozone grasslei</emphasis>
|
||
Blake, 2019
|
||
</taxonomicName>
|
||
from the abyssal Pacific Ocean and
|
||
<taxonomicName id="4C104D54FFC1ED4EB503F96A6FC0F891" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[794,1154,1770,1794]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="lophia">
|
||
<emphasis id="B964EAC5FFC1ED4EB503F96A68ACF891" box="[794,1006,1770,1794]" italics="true" pageId="13" pageNumber="262">Chaetozone lophia</emphasis>
|
||
<bibRefCitation id="EF814B26FFC1ED4EB5E0F96A6FC0F891" author="Blake, J. A." box="[1017,1154,1770,1794]" pageId="13" pageNumber="262" pagination="1 - 89" refId="ref12147" refString="Blake, J. A. 2022. New species and records of Caulleriella, Chaetocirratulus and Chaetozone (Annelida, Cirratulidae) from continental shelf and slope depths of the Western North Atlantic Ocean. Zootaxa 5113 (1): 1 - 89. https: // doi. org / 10.11646 / zootaxa. 5113.1.1" type="journal article" year="2022">Blake, 2022</bibRefCitation>
|
||
</taxonomicName>
|
||
from the
|
||
<collectingCountry id="F3077647FFC1ED4EB2E0F96A6E68F891" box="[1273,1322,1770,1794]" name="United States of America" pageId="13" pageNumber="262">U.S.</collectingCountry>
|
||
Atlantic slope in bathyal depths. Both of these species also have two peristomial rings of which first is bulbous and the second is smooth.
|
||
<taxonomicName id="4C104D54FFC1ED4EB58BF8C26F2EF8C9" authorityName="Blake" authorityYear="2019" box="[914,1132,1858,1882]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="grasslei">
|
||
<emphasis id="B964EAC5FFC1ED4EB58BF8C26F2EF8C9" box="[914,1132,1858,1882]" italics="true" pageId="13" pageNumber="262">Chaetozone grasslei</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C104D54FFC1ED4EB2E7F8C36E24F8C9" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[1278,1382,1858,1882]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB2E7F8C36E24F8C9" box="[1278,1382,1858,1882]" italics="true" pageId="13" pageNumber="262">C. adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB376F8C36805F8E4" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
in having a long, narrow, threadlike body consisting of segments that are mostly rounded or moniliform instead of moniliform segments being limited to posterior setigers.
|
||
<taxonomicName id="4C104D54FFC2ED4DB6BFF88B6A32F8B0" authorityName="Blake" authorityYear="2022" box="[166,368,1803,1827]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="263" phylum="Annelida" rank="species" species="lophia">
|
||
<emphasis id="B964EAC5FFC2ED4DB6BFF88B6A32F8B0" box="[166,368,1803,1827]" italics="true" pageId="14" pageNumber="263">Chaetozone lophia</emphasis>
|
||
</taxonomicName>
|
||
species differs from
|
||
<taxonomicName id="4C104D54FFC2ED4DB44FF88B69FCF8B0" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[598,702,1803,1827]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="263" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC2ED4DB44FF88B69FCF8B0" box="[598,702,1803,1827]" italics="true" pageId="14" pageNumber="263">C. adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC2ED4DB4D1F88B685EF8B1" box="[712,796,1803,1826]" pageId="14" pageNumber="263" rank="species">sp. nov.</taxonomicNameLabel>
|
||
by having instead of lacking a distinct dorsal crest on the bulbous first peristomial ring. In addition, while the new Atlantic species has an enlarged middle body region, this is the result of the intestine having intestinal loops that form a “stomach” packed with sediment.
|
||
</paragraph>
|
||
<caption id="DF6F665FFFC2ED4DB6BFF9306939F972" ID-DOI="http://doi.org/10.5281/zenodo.10414183" ID-Zenodo-Dep="10414183" httpUri="https://zenodo.org/record/10414183/files/figure.png" pageId="14" pageNumber="263" startId="14.[166,234,1712,1734]" targetBox="[187,1408,161,1683]" targetPageId="14" targetType="figure">
|
||
<paragraph id="8BAF36D7FFC2ED4DB6BFF9306939F972" blockId="14.[166,1466,1712,1761]" pageId="14" pageNumber="263">
|
||
<emphasis id="B964EAC5FFC2ED4DB6BFF9306BB9F956" bold="true" box="[166,251,1712,1734]" pageId="14" pageNumber="263">Figure 9</emphasis>
|
||
.
|
||
<taxonomicName id="4C104D54FFC2ED4DB713F9306A82F956" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[266,448,1712,1733]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="263" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC2ED4DB713F9306A82F956" box="[266,448,1712,1733]" italics="true" pageId="14" pageNumber="263">Chaetozone adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC2ED4DB7DFF9316952F955" box="[454,528,1713,1734]" pageId="14" pageNumber="263" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<emphasis id="B964EAC5FFC2ED4DB405F931690AF955" box="[540,584,1713,1734]" italics="true" pageId="14" pageNumber="263">A–D</emphasis>
|
||
) holotype (AM W.52709). (
|
||
<emphasis id="B964EAC5FFC2ED4DB54AF9316820F955" box="[851,866,1713,1734]" italics="true" pageId="14" pageNumber="263">A</emphasis>
|
||
) anterior end, dorsal view; (
|
||
<emphasis id="B964EAC5FFC2ED4DB277F9316F3FF955" box="[1134,1149,1713,1734]" italics="true" pageId="14" pageNumber="263">B</emphasis>
|
||
) pre-setiger region, ventral view; (
|
||
<emphasis id="B964EAC5FFC2ED4DB6B7F94C6BFCF972" box="[174,190,1740,1761]" italics="true" pageId="14" pageNumber="263">C</emphasis>
|
||
) notoacicular spine; (
|
||
<emphasis id="B964EAC5FFC2ED4DB789F94C6AE3F972" box="[400,417,1740,1761]" italics="true" pageId="14" pageNumber="263">D</emphasis>
|
||
) neuroacicular spines.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BAF36D7FFC2ED53B6DCF83B696CFED1" blockId="14.[166,796,1803,2003]" lastBlockId="16.[166,794,151,322]" lastPageId="16" lastPageNumber="265" pageId="14" pageNumber="263">
|
||
The only other deep-water species with extensive body pigment is
|
||
<taxonomicName id="4C104D54FFC2ED4DB5A7F88B6E60F8B1" authority="Blake, 2006" authorityName="Blake" authorityYear="2006" box="[958,1314,1802,1827]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="263" phylum="Annelida" rank="species" species="brunnea">
|
||
<emphasis id="B964EAC5FFC2ED4DB5A7F88B6FD9F8B0" box="[958,1179,1803,1827]" italics="true" pageId="14" pageNumber="263">Chaetozone brunnea</emphasis>
|
||
<bibRefCitation id="EF814B26FFC2ED4DB2BBF88B6E60F8B1" author="Blake, J. A." box="[1186,1314,1802,1827]" pageId="14" pageNumber="263" pagination="45 - 57" refId="ref11773" refString="Blake, J. A. 2006. New species and records of deep-water Cirratulidae (Polychaeta) from off Northern California. Scientia Marina 70 (Supplement 3): 45 - 57." type="journal article" year="2006">Blake, 2006</bibRefCitation>
|
||
</taxonomicName>
|
||
from the
|
||
<collectingCountry id="F3077647FFC2ED4DB392F88B6EF9F8B0" box="[1419,1467,1803,1827]" name="United States of America" pageId="14" pageNumber="263">U.S.</collectingCountry>
|
||
Pacific coast off northern
|
||
<collectingRegion id="49D4F835FFC2ED4DB24CF8A86F87F8D3" box="[1109,1221,1832,1856]" country="United States of America" name="California" pageId="14" pageNumber="263">California</collectingRegion>
|
||
. The
|
||
<collectingRegion id="49D4F835FFC2ED4DB2E5F8A86E2AF8D3" box="[1276,1384,1832,1856]" country="United States of America" name="California" pageId="14" pageNumber="263">California</collectingRegion>
|
||
species however is an entirely different kind of
|
||
<taxonomicName id="4C104D54FFC2ED4DB2CCF8C56E12F8CE" authorityName="Malmgren" authorityYear="1867" box="[1237,1360,1861,1885]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="263" phylum="Annelida" rank="genus">
|
||
<emphasis id="B964EAC5FFC2ED4DB2CCF8C56E12F8CE" box="[1237,1360,1861,1885]" italics="true" pageId="14" pageNumber="263">Chaetozone</emphasis>
|
||
</taxonomicName>
|
||
, in having two peristomial rings, but with the first tightly merged with the prostomium and the second likely being an achaetous segment where the dorsal tentacles arise anteriorly on that segment instead of at the posterior margin where the branchiae occur. In addition,
|
||
<taxonomicName id="4C104D54FFDCED53B7F8FF186918FF3C" authorityName="Blake" authorityYear="2006" box="[481,602,151,175]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="16" pageNumber="265" phylum="Annelida" rank="species" species="brunnea">
|
||
<emphasis id="B964EAC5FFDCED53B7F8FF186918FF3C" box="[481,602,151,175]" italics="true" pageId="16" pageNumber="265">C. brunnea</emphasis>
|
||
</taxonomicName>
|
||
has full cinctures with an armature of up to 16 acicular spines on a side. Another unusual characteristic of
|
||
<taxonomicName id="4C104D54FFDCED53B41FFF53693EFF79" authorityName="Blake" authorityYear="2006" box="[518,636,210,234]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="16" pageNumber="265" phylum="Annelida" rank="species" species="brunnea">
|
||
<emphasis id="B964EAC5FFDCED53B41FFF53693EFF79" box="[518,636,210,234]" italics="true" pageId="16" pageNumber="265">C. brunnea</emphasis>
|
||
</taxonomicName>
|
||
is the presence of a prominently enlarged “stomach” at the juncture of the anterior and abdominal segments, which in some specimens results in a distinct twist to the body.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF6F665FFFC3ED4CB660F8DB6E46F835" ID-DOI="http://doi.org/10.5281/zenodo.10414185" ID-Zenodo-Dep="10414185" httpUri="https://zenodo.org/record/10414185/files/figure.png" pageId="15" pageNumber="264" startId="15.[121,188,1883,1905]" targetBox="[121,1421,151,1864]" targetPageId="15" targetType="figure">
|
||
<paragraph id="8BAF36D7FFC3ED4CB660F8DB6E46F835" blockId="15.[120,1421,1883,1958]" pageId="15" pageNumber="264">
|
||
<emphasis id="B964EAC5FFC3ED4CB660F8DB6B9AF8E3" bold="true" box="[121,216,1883,1905]" pageId="15" pageNumber="264">Figure 10</emphasis>
|
||
.
|
||
<taxonomicName id="4C104D54FFC3ED4CB6FFF8DB6AD9F8E3" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[230,411,1883,1904]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="15" pageNumber="264" phylum="Annelida" rank="species" species="adusta" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC3ED4CB6FFF8DB6AD9F8E3" box="[230,411,1883,1904]" italics="true" pageId="15" pageNumber="264">Chaetozone adusta</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC3ED4CB7B8F8DB6AA8F8E3" box="[417,490,1883,1904]" pageId="15" pageNumber="264" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Photomicrographs. (
|
||
<emphasis id="B964EAC5FFC3ED4CB4B6F8DB6999F8E2" box="[687,731,1883,1905]" italics="true" pageId="15" pageNumber="264">A–D</emphasis>
|
||
) holotype (AM W.52709). (
|
||
<emphasis id="B964EAC5FFC3ED4CB5FAF8DB68B0F8E3" box="[995,1010,1883,1904]" italics="true" pageId="15" pageNumber="264">A</emphasis>
|
||
) anterior and middle body segments, dorsal view, brown pigment emphasized; (
|
||
<emphasis id="B964EAC5FFC3ED4CB7CDF8F66AA1F818" box="[468,483,1910,1931]" italics="true" pageId="15" pageNumber="264">B</emphasis>
|
||
) anterior end, dorsal view, arrows denoting brown pigment; (
|
||
<emphasis id="B964EAC5FFC3ED4CB222F8F66F09F818" box="[1083,1099,1910,1931]" italics="true" pageId="15" pageNumber="264">C</emphasis>
|
||
) middle body segments showing brown pigment; (
|
||
<emphasis id="B964EAC5FFC3ED4CB706F8116A72F835" box="[287,304,1937,1958]" italics="true" pageId="15" pageNumber="264">D</emphasis>
|
||
) posterior moniliform segments, lateral view. All stained with Shirlastain A; arrows indicate pigment.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C30A655CFFDCED53B6BFFED86AF8FE39" pageId="16" pageNumber="265" type="etymology">
|
||
<paragraph id="8BAF36D7FFDCED53B6BFFED86AF8FE39" blockId="16.[166,794,343,426]" pageId="16" pageNumber="265">
|
||
<emphasis id="B964EAC5FFDCED53B6BFFED86A66FEE3" bold="true" box="[166,292,344,368]" pageId="16" pageNumber="265">Etymology</emphasis>
|
||
. The epithet is from the Latin,
|
||
<emphasis id="B964EAC5FFDCED53B48CFED769ABFEFC" box="[661,745,343,367]" italics="true" pageId="16" pageNumber="265">adustus</emphasis>
|
||
, for brown or swarthy, in reference to the brown pigment that characterizes this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFDCED53B6BFFE3F6A2FFE67" pageId="16" pageNumber="265" type="distribution">
|
||
<paragraph id="8BAF36D7FFDCED53B6BFFE3F6A2FFE67" blockId="16.[166,794,447,501]" pageId="16" pageNumber="265">
|
||
<emphasis id="B964EAC5FFDCED53B6BFFE3F6A6CFE44" bold="true" box="[166,302,447,471]" pageId="16" pageNumber="265">Distribution</emphasis>
|
||
. Abyssal plain off southeastern
|
||
<collectingRegion id="49D4F835FFDCED53B468FE3F698AFE44" box="[625,712,447,471]" country="Australia" name="Victoria" pageId="16" pageNumber="265">Victoria</collectingRegion>
|
||
, eastern
|
||
<collectingCountry id="F3077647FFDCED53B6BFFE5D6A49FE66" box="[166,267,477,501]" name="Australia" pageId="16" pageNumber="265">Australia</collectingCountry>
|
||
,
|
||
<quantity id="4CE89B32FFDCED53B70CFE5D6A2BFE67" box="[277,361,477,501]" metricMagnitude="3" metricUnit="m" metricValue="4.107" pageId="16" pageNumber="265" unit="m" value="4107.0">4107 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |