200 lines
25 KiB
XML
200 lines
25 KiB
XML
<document id="E2166141D5F9DCB44C65F66A67C8D1AD" ID-CLB-Dataset="28347" ID-DOI="10.11646/zootaxa.4567.3.1" ID-GBIF-Dataset="47813581-d217-4a19-8848-a3e9cf2ddaf4" ID-ISSN="1175-5326" ID-Zenodo-Dep="2598945" ID-ZooBank="0AEFAF80-B001-4A18-88AC-5B6A189F6DCD" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553062614686" checkinUser="plazi" docAuthor="Staples, David A." docDate="2019" docId="03895C3329374F20FF01FF2AFAECFBC7" docLanguage="en" docName="zootaxa.4567.3.1.pdf" docOrigin="Zootaxa 4567 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pycnogonum cheni Staples 2019, sp. nov." docType="treatment" docVersion="8" lastPageNumber="440" masterDocId="FFB0244B29114F07FF96FFB2FF80FFFD" masterDocTitle="Pycnogonids (Arthropoda, Pycnogonida) from the Southwest Indian Ridge" masterLastPageNumber="449" masterPageNumber="401" pageNumber="439" updateTime="1698701998649" updateUser="ExternalLinkService">
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<mods:titleInfo id="B6BBB95CEC138354AE7C30BF5EB78BF0">
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<mods:title id="9084FA2C7F830AF812F81FDC84028BE7">Pycnogonids (Arthropoda, Pycnogonida) from the Southwest Indian Ridge</mods:title>
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<mods:name id="ADBA5EAD26089BD3DEE942E8B5E5D42A" type="personal">
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<mods:roleTerm id="2F45D13C3CF38EE2939EEA0207AA9328">Author</mods:roleTerm>
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<mods:namePart id="269D7EA135D12615080679743B962302">Staples, David A.</mods:namePart>
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<mods:typeOfResource id="0172091D9B3B3F001093A48540B9E16D">text</mods:typeOfResource>
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<mods:title id="87600C4563C6D139236EF49400714FAD">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="A39F5E6EBE0E22BC114D090C0F8B3F7D">
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<mods:date id="AD29B8E8B0F306520FD5B77E937491FE">2019</mods:date>
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<mods:number id="E14F727E2D21E18E8B4C9F0B730CC160">2019-03-18</mods:number>
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<mods:number id="9AB3040273E6E1710BA74E401B644CD3">4567</mods:number>
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<mods:detail id="51E2F83269A2E659ED0263A81BB34368" type="issue">
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<mods:number id="1D67D49962F6130A5304B04CD0BA27E7">3</mods:number>
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<mods:identifier id="CEF02272FC5C0AE5BB7E2639D1921BD2" type="CLB-Dataset">28347</mods:identifier>
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<mods:identifier id="8191B907B69B645FD970B7FA60DA4B98" type="DOI">10.11646/zootaxa.4567.3.1</mods:identifier>
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<mods:identifier id="4EC85DB2167A1DFCFE75A8896001B26A" type="GBIF-Dataset">47813581-d217-4a19-8848-a3e9cf2ddaf4</mods:identifier>
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<mods:identifier id="7A52E17477692680CBB5523BF8E37638" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="A096D8BBE0884DE3EB8D4C0BBB4AD5EA" type="Zenodo-Dep">2598945</mods:identifier>
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<mods:identifier id="BF42B168CE06A06781BD887614B19A96" type="ZooBank">0AEFAF80-B001-4A18-88AC-5B6A189F6DCD</mods:identifier>
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</mods:mods>
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<treatment id="03895C3329374F20FF01FF2AFAECFBC7" ID-DOI="http://doi.org/10.5281/zenodo.5944916" ID-GBIF-Taxon="154435119" ID-Zenodo-Dep="5944916" LSID="urn:lsid:plazi:treatment:03895C3329374F20FF01FF2AFAECFBC7" httpUri="http://treatment.plazi.org/id/03895C3329374F20FF01FF2AFAECFBC7" lastPageId="39" lastPageNumber="440" pageId="38" pageNumber="439">
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<subSubSection id="C33ABEAE29374F21FF01FF2AFE66FF4F" box="[151,486,152,178]" pageId="38" pageNumber="439" type="nomenclature">
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<paragraph id="8B9FED2529374F21FF01FF2AFE66FF4F" blockId="38.[151,486,152,211]" box="[151,486,152,178]" pageId="38" pageNumber="439">
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<heading id="D0D75A4929374F21FF01FF2AFE66FF4F" bold="true" box="[151,486,152,178]" fontSize="11" level="1" pageId="38" pageNumber="439" reason="1">
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||
<emphasis id="B954313729374F21FF01FF2AFE66FF4F" bold="true" box="[151,486,152,178]" pageId="38" pageNumber="439">
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||
<taxonomicName id="4C2096A629374F21FF01FF2AFE00FF4F" ID-CoL="dd625116-7823-45b9-a1d8-9b4246938ba0" authority="Staples, 2019" authorityName="Staples" authorityYear="2019" box="[151,384,152,178]" class="Pycnogonida" family="Pycnogonidae" genus="Pycnogonum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pantopoda" pageId="38" pageNumber="439" phylum="Arthropoda" rank="species" species="cheni" status="sp. nov.">
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<emphasis id="B954313729374F21FF01FF2AFE00FF4F" bold="true" box="[151,384,152,178]" italics="true" pageId="38" pageNumber="439">Pycnogonum cheni</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2678C4C29374F21FE1EFF2AFE66FF4F" box="[392,486,152,178]" pageId="38" pageNumber="439" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33ABEAE29374F21FF01FF08FE47FF2E" box="[151,455,186,211]" pageId="38" pageNumber="439" type="description">
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<paragraph id="8B9FED2529374F21FF01FF08FE47FF2E" blockId="38.[151,486,152,211]" box="[151,455,186,211]" pageId="38" pageNumber="439">
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<figureCitation id="131BF1A029374F21FF01FF08FE81FF2E" box="[151,257,186,211]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="38" pageNumber="439">Figure 19</figureCitation>
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A–G;
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<figureCitation id="131BF1A029374F21FEDEFF08FE14FF2E" box="[328,404,186,211]" captionStart="PLATE 6" captionStartId="45.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@45.[151,1436,193,1718]" captionTargetPageId="45" captionText="PLATE 6. Pycnogonum (Retroviger?) sentus sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view. Pycnogonum copleyi sp. nov., holotype. C, trunk, lateral view; D, trunk, dorsal view; E, leg 3. Pycnogonum cheni sp. nov., holotype, male. F, trunk lateral; G, trunk dorsal; H, third leg." httpUri="https://zenodo.org/record/2598999/files/figure.png" pageId="38" pageNumber="439">Plate 6</figureCitation>
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F–H
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</paragraph>
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</subSubSection>
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<subSubSection id="C33ABEAE29374F21FF01FEB0FA0AFE56" pageId="38" pageNumber="439" type="materials_examined">
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<paragraph id="8B9FED2529374F21FF01FEB0FECFFE9E" blockId="38.[151,1436,258,571]" pageId="38" pageNumber="439">
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<emphasis id="B954313729374F21FF01FEB0FEFCFEE6" bold="true" box="[151,380,258,283]" pageId="38" pageNumber="439">Material examined</emphasis>
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.
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<materialsCitation id="3B48E77829374F21FE1BFEB0FECFFE9E" ID-GBIF-Occurrence="2013824395" collectingDate="2011-12-01" collectionCode="NHMUK" elevation="1003" latitude="-37.965332" location="Southwest Indian Ocean" longLatPrecision="11" longitude="50.407166" municipality="Middle of What Seamount" pageId="38" pageNumber="439" specimenCode="NHMUK 2018.47" specimenCount="1" typeStatus="holotype">
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<typeStatus id="549B538729374F21FE1BFEB0FE75FEE6" box="[397,501,258,283]" pageId="38" pageNumber="439" type="holotype">Holotype</typeStatus>
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, male (
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<specimenCode id="DB86455E29374F21FDD8FEB1FCA3FEE6" box="[590,803,259,283]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="38" pageNumber="439" type="Museum">NHMUK 2018.47</specimenCode>
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),
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<location id="8EFFBBFE29374F21FCAFFEB0FBD4FEE6" LSID="urn:lsid:plazi:treatment:03895C3329374F20FF01FF2AFAECFBC7:8EFFBBFE29374F21FCAFFEB0FBD4FEE6" box="[825,1108,258,283]" latitude="-37.965332" longLatPrecision="11" longitude="50.407166" municipality="Middle of What Seamount" name="Southwest Indian Ocean" pageId="38" pageNumber="439">Southwest Indian Ocean</location>
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,
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<collectingMunicipality id="6BFB775F29374F21FBF4FEB0FA18FEE6" box="[1122,1432,258,283]" pageId="38" pageNumber="439">Middle of What Seamount</collectingMunicipality>
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,
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<geoCoordinate id="EE148BE229374F21FF01FE95FEA2FEC2" box="[151,290,294,319]" direction="south" orientation="latitude" pageId="38" pageNumber="439" precision="9" value="-37.965332">37° 57.92´S</geoCoordinate>
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,
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<geoCoordinate id="EE148BE229374F21FEA4FE94FE3FFEC2" box="[306,447,294,319]" direction="east" orientation="longitude" pageId="38" pageNumber="439" precision="9" value="50.407166">50° 24.43´E</geoCoordinate>
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,
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<collectingMethod id="5261953229374F21FE58FE95FDB8FEC3" box="[462,568,295,319]" pageId="38" pageNumber="439">ROV net</collectingMethod>
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,
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<quantity id="4CD840C029374F21FDD1FE95FD21FEC3" box="[583,673,295,319]" metricMagnitude="3" metricUnit="m" metricValue="1.003" pageId="38" pageNumber="439" unit="m" value="1003.0">
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<elevation id="000D0A1629374F21FDD1FE95FD21FEC3" box="[583,673,295,319]" metricMagnitude="3" metricUnit="m" metricValue="1.003" pageId="38" pageNumber="439" unit="m" value="1003.0">1003 m</elevation>
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</quantity>
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, specimen JC066-2740, stn 6.4, coral framework and sediment,
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<collectingDate id="EFDA320D29374F21FA18FE95FECBFE9E" pageId="38" pageNumber="439" value="2011-12-01">
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<date id="FF9ECBE529374F21FA18FE95FECBFE9E" pageId="38" pageNumber="439" value="2011-12-01">1 December 2011</date>
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</collectingDate>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="8B9FED2529374F21FF51FEDCFA0AFE56" blockId="38.[151,1436,258,571]" pageId="38" pageNumber="439">
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||
<materialsCitation id="3B48E77829374F21FF51FEDCFA06FE56" ID-GBIF-Occurrence="2013824398" collectingDate="2011-11-16" collectionCode="NHMUK" elevation="950" longitude="42.9185" pageId="38" pageNumber="439" specimenCode="NHMUK 2018.48" specimenCount="1" typeStatus="paratype">
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<emphasis id="B954313729374F21FF51FEDCFEBBFE7A" bold="true" box="[199,315,366,391]" pageId="38" pageNumber="439">
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||
<typeStatus id="549B538729374F21FF51FEDCFEB6FE7A" box="[199,310,366,391]" pageId="38" pageNumber="439" type="paratype">Paratype</typeStatus>
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.
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</emphasis>
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One subadult specimen (
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<specimenCode id="DB86455E29374F21FDF2FEDDFCB9FE7A" box="[612,825,367,391]" collectionCode="NHMUK" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="38" pageNumber="439" type="Museum">NHMUK 2018.48</specimenCode>
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), Southwest Indian Ocean, Coral Seamount, 41° 21´36S,
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<geoCoordinate id="EE148BE229374F21FF46FE21FED9FE56" box="[208,345,402,427]" direction="east" orientation="longitude" pageId="38" pageNumber="439" precision="9" value="42.9185">42° 55.11´E</geoCoordinate>
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, Box Core,
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<quantity id="4CD840C029374F21FE49FE20FDA8FE57" box="[479,552,402,427]" metricMagnitude="2" metricUnit="m" metricValue="9.5" pageId="38" pageNumber="439" unit="m" value="950.0">
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<elevation id="000D0A1629374F21FE49FE20FDA8FE57" box="[479,552,402,427]" metricMagnitude="2" metricUnit="m" metricValue="9.5" pageId="38" pageNumber="439" unit="m" value="950.0">950 m</elevation>
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</quantity>
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, specimen JC066-138, stn 4.18, coral framework/rubble,
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<date id="FF9ECBE529374F21FB3DFE20FA06FE56" box="[1195,1414,402,427]" pageId="38" pageNumber="439" value="2011-11-16">
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<collectingDate id="EFDA320D29374F21FB3DFE20FA06FE56" box="[1195,1414,402,427]" pageId="38" pageNumber="439" value="2011-11-16">16 November 2011</collectingDate>
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</date>
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33ABEAE29374F20FF51FE04FB92FD0B" lastPageId="39" lastPageNumber="440" pageId="38" pageNumber="439" type="description">
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<paragraph id="8B9FED2529374F21FF51FE04FD4CFDC6" blockId="38.[151,1436,258,571]" pageId="38" pageNumber="439">
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<emphasis id="B954313729374F21FF51FE04FED9FE32" bold="true" box="[199,345,438,463]" pageId="38" pageNumber="439">Description.</emphasis>
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Male
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<typeStatus id="549B538729374F21FE09FE04FD85FE32" box="[415,517,438,463]" pageId="38" pageNumber="439" type="holotype">holotype</typeStatus>
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. Trunk compact (
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<figureCitation id="131BF1A029374F21FD50FE04FCCDFE33" box="[710,845,438,463]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="38" pageNumber="439">Fig. 19A, B</figureCitation>
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.
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<figureCitation id="131BF1A029374F21FCCFFE04FC57FE32" box="[857,983,438,463]" captionStart="PLATE 6" captionStartId="45.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@45.[151,1436,193,1718]" captionTargetPageId="45" captionText="PLATE 6. Pycnogonum (Retroviger?) sentus sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view. Pycnogonum copleyi sp. nov., holotype. C, trunk, lateral view; D, trunk, dorsal view; E, leg 3. Pycnogonum cheni sp. nov., holotype, male. F, trunk lateral; G, trunk dorsal; H, third leg." httpUri="https://zenodo.org/record/2598999/files/figure.png" pageId="38" pageNumber="439">Plate 6F, G</figureCitation>
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), integument inconspicuously granulate, dorsal trunk segmentation complete; lateral processes and trunk separated by faint suture line, processes touching throughout length, without tubercles. Ocular tubercle placed on mid-region of cephalon, conical, shorter than basal width; four eyes unpigmented, anterior pair larger.
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</paragraph>
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<caption id="DF5FBDAD29374F21FF01F800FC42F81A" httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="38" pageNumber="439" startId="38.[151,250,1970,1992]" targetBox="[152,1347,660,1920]" targetPageId="38">
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<paragraph id="8B9FED2529374F21FF01F800FC42F81A" blockId="38.[151,1436,1970,2023]" pageId="38" pageNumber="439">
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<emphasis id="B954313729374F21FF01F800FEA0F835" bold="true" box="[151,288,1970,1992]" pageId="38" pageNumber="439">FIGURE 19.</emphasis>
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<taxonomicName id="4C2096A629374F21FEB0F801FE69F835" authority="Staples, 2019" authorityName="Staples" authorityYear="2019" box="[294,489,1970,1992]" class="Pycnogonida" family="Pycnogonidae" genus="Pycnogonum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pantopoda" pageId="38" pageNumber="439" phylum="Arthropoda" rank="species" species="cheni" status="sp. nov.">
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<emphasis id="B954313729374F21FEB0F801FE69F835" box="[294,489,1970,1992]" italics="true" pageId="38" pageNumber="439">Pycnogonum cheni</emphasis>
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</taxonomicName>
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<emphasis id="B954313729374F21FE66F800FDC1F835" bold="true" box="[496,577,1970,1992]" pageId="38" pageNumber="439">
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<taxonomicNameLabel id="A2678C4C29374F21FE66F800FDC1F835" box="[496,577,1970,1992]" pageId="38" pageNumber="439" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view.
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</paragraph>
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</caption>
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<paragraph id="8B9FED2529364F20FF51FF25FAF4FF4D" blockId="39.[151,1436,151,1082]" box="[199,1396,151,176]" pageId="39" pageNumber="440">
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Proboscis (
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<figureCitation id="131BF1A029364F20FED5FF25FE27FF4D" box="[323,423,151,176]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="39" pageNumber="440">Fig. 19C</figureCitation>
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) longer than trunk, tapering evenly to slightly less than half width at base, weevil-like.
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</paragraph>
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<paragraph id="8B9FED2529364F20FF51FF0EFE0AFF05" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
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Abdomen (
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<figureCitation id="131BF1A029364F20FED1FF0EFE30FF29" box="[327,432,188,213]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="39" pageNumber="440">Fig. 19G</figureCitation>
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) articulated at base, length about twice median width, reaching to two-thirds length of coxa 2, down-curved.
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</paragraph>
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<paragraph id="8B9FED2529364F20FF51FEB6FEB1FEBD" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
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Oviger terminal claw absent (
|
||
<figureCitation id="131BF1A029364F20FD8EFEB6FDFAFEE1" box="[536,634,260,285]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="39" pageNumber="440">Fig. 19F</figureCitation>
|
||
) right oviger missing entirely, distal three segments of left oviger bear strong spines.
|
||
</paragraph>
|
||
<paragraph id="8B9FED2529364F20FF51FEFFFD79FD9D" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
|
||
Legs rather slender for genus, (
|
||
<figureCitation id="131BF1A029364F20FDD6FEFEFD2EFE99" box="[576,686,332,357]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="39" pageNumber="440">Fig. 19D</figureCitation>
|
||
.
|
||
<figureCitation id="131BF1A029364F20FD28FEFEFCA7FE98" box="[702,807,332,357]" captionStart="PLATE 6" captionStartId="45.[151,234,1740,1762]" captionTargetBox="[151,1436,193,1718]" captionTargetId="figure@45.[151,1436,193,1718]" captionTargetPageId="45" captionText="PLATE 6. Pycnogonum (Retroviger?) sentus sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view. Pycnogonum copleyi sp. nov., holotype. C, trunk, lateral view; D, trunk, dorsal view; E, leg 3. Pycnogonum cheni sp. nov., holotype, male. F, trunk lateral; G, trunk dorsal; H, third leg." httpUri="https://zenodo.org/record/2598999/files/figure.png" pageId="39" pageNumber="440">Plate 6H</figureCitation>
|
||
) second coxae twice length of coxa 3, all legs with prominent distoventral process taller than segment width present on second coxae, process on first legs lower than remaining legs, no dorsal openings evident. Blister-like coxal pellicula on low mound on dorsal surface of coxa 2 of all legs at about two-thirds length. Tibia 2 longest, tibia 1 about half length of tibia 2 and shorter than femur, all longer segments with short, scattered spinules, femur with strong dorsodistal spine, broken off on most legs; tarsus short, with three strong spines on the ventral surface, propodal heel absent, sole with four to six robust spines, terminal claw strong, about half length of propodus, auxiliary claws absent (
|
||
<figureCitation id="131BF1A029364F20FC6DFD96FBDAFDC0" box="[1019,1114,548,573]" captionStart="FIGURE 19" captionStartId="38.[151,250,1970,1992]" captionTargetBox="[152,1347,660,1920]" captionTargetId="figure@38.[151,1435,623,1948]" captionTargetPageId="38" captionText="FIGURE 19. Pycnogonum cheni sp. nov., holotype. A, trunk, lateral view; B, trunk, dorsal view; C, proboscis, anterior view; D, third leg; E, tarsus & propodus leg 3; F, left oviger; G, abdomen, dorsal view." httpUri="https://zenodo.org/record/2598981/files/figure.png" pageId="39" pageNumber="440">Fig.19E</figureCitation>
|
||
). Gonopores not evident but perhaps tiny and obscured by the granular integument;
|
||
</paragraph>
|
||
<paragraph id="8B9FED2529364F20FF51FDC2FB92FD0B" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
|
||
Measurements of
|
||
<typeStatus id="549B538729364F20FE18FDDCFE70FD7A" box="[398,496,622,647]" pageId="39" pageNumber="440" type="holotype">holotype</typeStatus>
|
||
(mm). Trunk length (frontal margin of cephalic segment to tip of 4
|
||
<superScript id="7C55406D29364F20FB4FFDD9FB65FD84" attach="left" box="[1241,1253,619,633]" fontSize="6" pageId="39" pageNumber="440">th</superScript>
|
||
lateral process), 2.768; length cephalon, 0.568; width across 2
|
||
<superScript id="7C55406D29364F20FD02FD20FD24FD5D" attach="left" box="[660,676,658,672]" fontSize="6" pageId="39" pageNumber="440">nd</superScript>
|
||
lateral processes, 1.776; proboscis length (lateral), 2.784; proboscis diameter at base 0.664; abdomen length, 0.600. Third leg: coxa 1, 0.504; coxa 2, 0.960; coxa 3, 0.480; femur, 2.520; tibia 1, 2.280; tibia 2, 3.664; tarsus, 0.184; propodus, 1.120; claw, 0.520.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33ABEAE29364F20FF51FCB3FBC9FCE7" box="[199,1097,769,794]" pageId="39" pageNumber="440" type="etymology">
|
||
<paragraph id="8B9FED2529364F20FF51FCB3FBC9FCE7" blockId="39.[151,1436,151,1082]" box="[199,1097,769,794]" pageId="39" pageNumber="440">
|
||
<emphasis id="B954313729364F20FF51FCB3FECEFCE7" bold="true" box="[199,334,769,794]" pageId="39" pageNumber="440">Etymology.</emphasis>
|
||
Named for Dr Chong Chen scientist and fellow voyage companion.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33ABEAE29364F20FF51FC97FAECFBC7" pageId="39" pageNumber="440" type="discussion">
|
||
<paragraph id="8B9FED2529364F20FF51FC97FF75FC33" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
|
||
<emphasis id="B954313729364F20FF51FC97FEB4FCC3" bold="true" box="[199,308,805,830]" pageId="39" pageNumber="440">Remarks</emphasis>
|
||
. It is unclear whether the
|
||
<typeStatus id="549B538729364F20FDC5FC97FD35FCC3" box="[595,693,805,830]" pageId="39" pageNumber="440" type="holotype">holotype</typeStatus>
|
||
is a fully mature specimen but at this stage of development the left oviger is four-segmented and lacks a terminal claw. If the oviger has reached its full complement of segments the species will belong in the subgenus
|
||
<taxonomicName id="4C2096A629364F20FDA2FCDCFCF6FC7B" authority="(Stock 1968: 60)" authorityName="Stock" authorityPageNumber="60" authorityYear="1968" baseAuthorityName="Stock" baseAuthorityPageNumber="60" baseAuthorityYear="1968" box="[564,886,877,902]" class="Pycnogonida" family="Pycnogonidae" genus="Retroviger" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pantopoda" pageId="39" pageNumber="440" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954313729364F20FDA2FCDCFD2BFC78" box="[564,683,878,901]" italics="true" pageId="39" pageNumber="440">Retroviger</emphasis>
|
||
(
|
||
<bibRefCitation id="EFB190D429364F20FD2DFCDFFCEDFC7B" author="Stock, J. H." box="[699,877,877,902]" pageId="39" pageNumber="440" pagination="7 - 65" refId="ref29222" refString="Stock, J. H., (1968) Pycnogonida collected by the Galathea and Anton Bruun in the Indian and Pacific Oceans. Fidenskabelige Meddelelser fra Dansk Naturhistorisk Forening, i kjObenhavn, 131, 7 - 65." type="journal article" year="1968">Stock 1968: 60</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. The ovigers of the subadult
|
||
<typeStatus id="549B538729364F20FB53FCDCFAA5FC7B" box="[1221,1317,878,902]" pageId="39" pageNumber="440" type="paratype">paratype</typeStatus>
|
||
consist of single buds. The ecdysial line is present on the lateral margins of the trunk and on the dorsal and ventral margins of the legs.
|
||
</paragraph>
|
||
<paragraph id="8B9FED2529364F20FF51FC68FAECFBC7" blockId="39.[151,1436,151,1082]" pageId="39" pageNumber="440">
|
||
A number of species share a long, tapered proboscis however all those species have mid-dorsal trunk processes and in this regard the new species is unique. Other unique characters are the robustness of the spines on the oviger and propodal sole. Should the
|
||
<typeStatus id="549B538729364F20FE7AFB93FDCEFBC7" box="[492,590,1057,1082]" pageId="39" pageNumber="440" type="holotype">holotype</typeStatus>
|
||
be immature these defining characters are unlikely to change with age.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |