438 lines
61 KiB
XML
438 lines
61 KiB
XML
<document id="09135671F36B1FEA5F23A1ED3AADE6A0" ID-DOI="10.11646/zootaxa.4040.3.7" ID-GBIF-Dataset="88191a74-d309-4bec-8ca9-ecdcf7dd0a5f" ID-ISSN="1175-5326" ID-Zenodo-Dep="241445" ID-ZooBank="C9FF307A-F3FD-4143-94BE-373E1C651A65" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461336004010" checkinUser="plazi" docAuthor="Darbyshire, Teresa & Brewin, Paul E." docDate="2015" docId="03965655BF4DFFA3FF13FEFA9549F9A2" docLanguage="en" docName="zt04040p370.pdf" docOrigin="Zootaxa 4040 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Dysponetus ovalisetosus Darbyshire & Brewin, 2015, n. sp." docType="treatment" docUuid="215AF2E1-C40A-45B7-864E-D1EAF7543D86" docUuidSource="ZooBank" docVersion="8" lastPageNumber="369" masterDocId="FFAF2E2DBF45FFA9FF84FF959441FFAA" masterDocTitle="Three new species of Dysponetus Levinsen, 1879 (Polychaeta: Chrysopetalidae) from the South Atlantic and Southern Ocean, with a re-description of Dysponetus bulbosus Hartmann-Schröder, 1982" masterLastPageNumber="370" masterPageNumber="359" pageNumber="367" updateTime="1698619193387" updateUser="plazi">
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<mods:titleInfo id="DA123E0018A03DADA86A6A2FFED17F02">
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<mods:title id="A8CBB43951B2C8225E43074949C78FA2">Three new species of Dysponetus Levinsen, 1879 (Polychaeta: Chrysopetalidae) from the South Atlantic and Southern Ocean, with a re-description of Dysponetus bulbosus Hartmann-Schröder, 1982</mods:title>
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</mods:titleInfo>
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<mods:name id="1192694E74F434E0D020BA840BA45254" type="personal">
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<mods:namePart id="5C81842E8703E70035A0D242FC93ECBB">Darbyshire, Teresa</mods:namePart>
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<mods:name id="0A7CAD8DBD1B1A361B205F03022B193A" type="personal">
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<mods:roleTerm id="2A7E24F3BBFC7BA2724018886D142041">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="4B567ED5CBD6F3EFCF949979E893E225">Brewin, Paul E.</mods:namePart>
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<mods:typeOfResource id="2FC8DDE2611E0F114FE1DDBA50F647F1">text</mods:typeOfResource>
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<mods:title id="88D7A9ACA412CD2C62E8DA5E3D75453E">Zootaxa</mods:title>
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<mods:part id="5098DF0E68F590314EA430AC2EBDD464">
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<mods:date id="57EEBB78293567BF8B0D7467B76E6C6C">2015</mods:date>
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<mods:number id="15D3AD3BE4FF3F28AAF455B0A44501A1">4040</mods:number>
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<mods:number id="46A99D799EFBD54E83BF28AC8CF3172A">3</mods:number>
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<mods:identifier id="666499595960E462ECBD4E9184652F33" type="DOI">10.11646/zootaxa.4040.3.7</mods:identifier>
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<mods:identifier id="A073E2A7560FE3587BC4EDDE156B90DA" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="8030117E44237F50273C0C25660741CB" type="Zenodo-Dep">241445</mods:identifier>
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<mods:identifier id="FE242F3252412BD2B8DE72C2B7640077" type="ZooBank">C9FF307A-F3FD-4143-94BE-373E1C651A65</mods:identifier>
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<treatment id="03965655BF4DFFA3FF13FEFA9549F9A2" ID-DOI="http://doi.org/10.5281/zenodo.6112770" ID-GBIF-Taxon="119644521" ID-Zenodo-Dep="6112770" LSID="urn:lsid:zoobank.org:act:215AF2E1-C40A-45B7-864E-D1EAF7543D86" httpUri="http://treatment.plazi.org/id/03965655BF4DFFA3FF13FEFA9549F9A2" lastPageId="10" lastPageNumber="369" pageId="8" pageNumber="367">
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<subSubSection id="C325B4C8BF4DFFA1FF13FEFA956DFE01" pageId="8" pageNumber="367" type="nomenclature">
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<paragraph id="8B80E743BF4DFFA1FF13FEFA9644FE20" blockId="8.[151,517,367,427]" box="[151,517,367,394]" pageId="8" pageNumber="367">
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<heading id="D0C8502FBF4DFFA1FF13FEFA9644FE20" bold="true" box="[151,517,367,394]" fontSize="11" level="1" pageId="8" pageNumber="367" reason="1">
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<emphasis id="B94B3B51BF4DFFA1FF13FEFA9644FE20" bold="true" box="[151,517,367,394]" pageId="8" pageNumber="367">
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<taxonomicName id="4C3F9CC0BF4DFFA1FF13FEFA95FAFE23" ID-CoL="6DSDW" box="[151,443,367,393]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="367" phylum="Annelida" rank="species" species="ovalisetosus" status="sp. nov.">
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<emphasis id="B94B3B51BF4DFFA1FF13FEFA95FAFE23" bold="true" box="[151,443,367,393]" italics="true" pageId="8" pageNumber="367">Dysponetus ovalisetosus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A278862ABF4DFFA1FE46FEE59644FE20" box="[450,517,368,394]" pageId="8" pageNumber="367" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B80E743BF4DFFA1FF13FE07956DFE01" blockId="8.[151,517,367,427]" box="[151,300,402,427]" pageId="8" pageNumber="367">
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<figureCitation id="1304FBC6BF4DFFA1FF13FE0794B2FE01" box="[151,243,402,427]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Figure 5</figureCitation>
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A–G
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C325B4C8BF4DFFA1FF13FE4F90EAFCB9" pageId="8" pageNumber="367" type="materials_examined">
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<paragraph id="8B80E743BF4DFFA1FF13FE4F90EAFCB9" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
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<emphasis id="B94B3B51BF4DFFA1FF13FE4F95C1FE59" bold="true" box="[151,384,474,499]" pageId="8" pageNumber="367">Material examined.</emphasis>
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East Falkland: near Yorke Point, west of Cape Pembroke, Sta. 46f (
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<geoCoordinate id="EE0B8184BF4DFFA1FBFEFE4F90B2FE59" box="[1146,1267,474,499]" direction="south" orientation="latitude" pageId="8" pageNumber="367" precision="92" value="-51.673332">51° 40.4′S</geoCoordinate>
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,
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<geoCoordinate id="EE0B8184BF4DFFA1FB7AFE4F91D1FE59" box="[1278,1424,474,499]" direction="west" orientation="longitude" pageId="8" pageNumber="367" precision="92" value="-57.765">057° 45.9′W</geoCoordinate>
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), section of
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<taxonomicName id="4C3F9CC0BF4DFFA1FE88FE6B9589FDBC" box="[268,456,510,534]" class="Polychaeta" family="Sabellariidae" genus="Phragmatopoma" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="367" phylum="Annelida" rank="genus">
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<emphasis id="B94B3B51BF4DFFA1FE88FE6B9589FDBC" box="[268,456,510,534]" italics="true" pageId="8" pageNumber="367">Phragmatopoma</emphasis>
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</taxonomicName>
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colony,
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<quantity id="4CC74AA6BF4DFFA1FDA3FE6A9631FDBC" box="[551,624,511,535]" metricMagnitude="0" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="8" pageNumber="367" unit="m" value="3.5" valueMax="4.0" valueMin="3.0">3–4 m</quantity>
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,
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<typeStatus id="548459E1BF4DFFA1FDF8FE6B969FFDBD" box="[636,734,510,535]" pageId="8" pageNumber="367" type="holotype">holotype</typeStatus>
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(
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<collectionCode id="ED2E7F86BF4DFFA1FD69FE6B9779FDBD" box="[749,824,510,535]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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.Z.2012.082.0067), 1
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<typeStatus id="548459E1BF4DFFA1FBA3FE6A90C6FDBD" box="[1063,1159,511,535]" pageId="8" pageNumber="367" type="paratype">paratype</typeStatus>
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(
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<collectionCode id="ED2E7F86BF4DFFA1FB11FE6B909EFDBD" box="[1173,1247,510,535]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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.Z.2012.082.006 8)
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<date id="FF81C183BF4DFFA1FF32FDB69579FD91" box="[182,312,547,571]" pageId="8" pageNumber="367" value="2013-01-20">20.01.2013</date>
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; near Yorke Point, west of Cape Pembroke, Sta. 46e (
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<geoCoordinate id="EE0B8184BF4DFFA1FC1BFDB79059FD91" box="[927,1048,546,571]" direction="south" orientation="latitude" pageId="8" pageNumber="367" precision="92" value="-51.673332">51° 40.4′S</geoCoordinate>
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,
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<geoCoordinate id="EE0B8184BF4DFFA1FBA1FDB790F9FD91" box="[1061,1208,546,571]" direction="west" orientation="longitude" pageId="8" pageNumber="367" precision="92" value="-57.765">057° 45.9′W</geoCoordinate>
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), epifaunal scraping from rock,
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<quantity id="4CC74AA6BF4DFFA1FE9CFDD29522FDF4" box="[280,355,583,607]" metricMagnitude="0" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="8" pageNumber="367" unit="m" value="3.5" valueMax="4.0" valueMin="3.0">3–4 m</quantity>
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, 1
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||
<typeStatus id="548459E1BF4DFFA1FE0CFDD295A8FDF5" box="[392,489,583,607]" pageId="8" pageNumber="367" type="paratype">paratype</typeStatus>
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(
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<collectionCode id="ED2E7F86BF4DFFA1FE7DFDD39605FDF5" box="[505,580,582,607]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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.Z.2012.082.0069),
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<date id="FF81C183BF4DFFA1FCA4FDD297E3FDF5" box="[800,930,583,607]" pageId="8" pageNumber="367" value="2013-01-20">20.01.2013</date>
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; west Cochon
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<collectingCountry id="F328A7D3BF4DFFA1FBC8FDD390D2FDF5" box="[1100,1171,582,607]" name="Iceland" pageId="8" pageNumber="367">Island</collectingCountry>
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, Sta. 14 (
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<geoCoordinate id="EE0B8184BF4DFFA1FA86FDD391D9FDF5" box="[1282,1432,582,607]" direction="south" orientation="latitude" pageId="8" pageNumber="367" precision="1" value="-51.603615">51° 36.217′S</geoCoordinate>
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||
,
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||
<geoCoordinate id="EE0B8184BF4DFFA1FF13FDFF950BFD29" box="[151,330,618,643]" direction="west" orientation="longitude" pageId="8" pageNumber="367" precision="1" value="-57.793083">057° 47.585′W</geoCoordinate>
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||
), rock walls & gullies with epifaunal growth and pink encrusting algae,
|
||
<quantity id="4CC74AA6BF4DFFA1FB34FDFE9147FD28" box="[1200,1286,619,643]" metricMagnitude="1" metricUnit="m" metricValue="1.04" pageId="8" pageNumber="367" unit="m" value="10.4">10.4 m</quantity>
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, 6
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||
<typeStatus id="548459E1BF4DFFA1FAB5FDFE91DDFD29" box="[1329,1436,619,643]" pageId="8" pageNumber="367" type="paratype">paratypes</typeStatus>
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(
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<collectionCode id="ED2E7F86BF4DFFA1FF1AFD1A94A8FD0D" box="[158,233,655,679]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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.Z.2011.039.0173),
|
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<date id="FF81C183BF4DFFA1FE46FD1B9600FD0D" box="[450,577,654,679]" pageId="8" pageNumber="367" value="2011-11-25">25.11.2011</date>
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; northeast Cochon
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||
<collectingCountry id="F328A7D3BF4DFFA1FC9CFD1B971EFD0D" box="[792,863,654,679]" name="Iceland" pageId="8" pageNumber="367">Island</collectingCountry>
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, Sta. 16b (
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<geoCoordinate id="EE0B8184BF4DFFA1FC51FD1B9028FD0D" box="[981,1129,654,679]" direction="south" orientation="latitude" pageId="8" pageNumber="367" precision="1" value="-51.6061">51° 36.366′S</geoCoordinate>
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,
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<geoCoordinate id="EE0B8184BF4DFFA1FBF7FD1B9163FD0D" box="[1139,1314,654,679]" direction="west" orientation="longitude" pageId="8" pageNumber="367" precision="1" value="-57.7847">057° 47.082′W</geoCoordinate>
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||
), epifaunal scraping,
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||
<quantity id="4CC74AA6BF4DFFA1FE9AFD2795C9FD60" box="[286,392,690,715]" metricMagnitude="1" metricUnit="m" metricValue="1.25" pageId="8" pageNumber="367" unit="m" value="12.5">12.5 m</quantity>
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||
, 13
|
||
<typeStatus id="548459E1BF4DFFA1FE68FD269619FD61" box="[492,600,691,715]" pageId="8" pageNumber="367" type="paratype">paratypes</typeStatus>
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(2—
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<collectionCode id="ED2E7F86BF4DFFA1FD2EFD269757FD61" LSID="urn:lsid:biocol.org:col:34665" box="[682,790,691,715]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="8" pageNumber="367">NHMUK</collectionCode>
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<collectionCode id="ED2E7F86BF4DFFA1FCB3FD2697C4FD61" box="[823,901,691,715]" pageId="8" pageNumber="367">ANEA</collectionCode>
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2015.1116–7; 2—
|
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<collectionCode id="ED2E7F86BF4DFFA1FB0EFD269088FD61" box="[1162,1225,691,715]" httpUri="http://grbio.org/cool/kdnf-0379" name="Zoologisches Museum Hamburg" pageId="8" pageNumber="367">ZMH</collectionCode>
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<collectionCode id="ED2E7F86BF4DFFA1FB6EFD279145FD61" box="[1258,1284,690,715]" pageId="8" pageNumber="367">P-</collectionCode>
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27763; 9—
|
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<collectionCode id="ED2E7F86BF4DFFA1FF13FD4294A0FD45" box="[151,225,727,751]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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.Z.2011.039.0174,
|
||
<collectionCode id="ED2E7F86BF4DFFA1FE32FD4395BEFD45" box="[438,511,726,751]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
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||
.Z.2011.039.0176–7 (SEM)),
|
||
<date id="FF81C183BF4DFFA1FCD6FD439793FD45" box="[850,978,726,751]" pageId="8" pageNumber="367" value="2011-11-26">26.11.2011</date>
|
||
; Kelp Harbour, Sta. 30 (
|
||
<geoCoordinate id="EE0B8184BF4DFFA1FB7AFD4391D9FD45" box="[1278,1432,726,751]" direction="south" orientation="latitude" pageId="8" pageNumber="367" precision="1" value="-51.783684">51° 47.021′S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE0B8184BF4DFFA1FF13FD6F9505FCB9" box="[151,324,762,787]" direction="west" orientation="longitude" pageId="8" pageNumber="367" precision="1" value="-59.3308">059° 19.848′W</geoCoordinate>
|
||
), rocks in silty sand,
|
||
<quantity id="4CC74AA6BF4DFFA1FDB5FD6E9632FCB8" box="[561,627,763,787]" metricMagnitude="0" metricUnit="m" metricValue="9.3" pageId="8" pageNumber="367" unit="m" value="9.3">9.3 m</quantity>
|
||
, 1
|
||
<typeStatus id="548459E1BF4DFFA1FD10FD6E96B5FCB9" box="[660,756,763,787]" pageId="8" pageNumber="367" type="paratype">paratype</typeStatus>
|
||
(
|
||
<collectionCode id="ED2E7F86BF4DFFA1FC87FD6F970FFCB9" box="[771,846,762,787]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="367">NMW</collectionCode>
|
||
.Z.2011.039.0175), 0
|
||
<date id="FF81C183BF4DFFA1FBB1FD6E90E9FCB9" box="[1077,1192,763,787]" pageId="8" pageNumber="367" value="2011-04-12">4.12.2011</date>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C325B4C8BF4DFFA1FF43FC8B96D0F839" pageId="8" pageNumber="367" type="description">
|
||
<paragraph id="8B80E743BF4DFFA1FF43FC8B900DFC09" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
|
||
<emphasis id="B94B3B51BF4DFFA1FF43FC8B9518FC9D" bold="true" box="[199,345,798,823]" pageId="8" pageNumber="367">Description.</emphasis>
|
||
<typeStatus id="548459E1BF4DFFA1FEE4FC8B9589FC9D" box="[352,456,798,823]" pageId="8" pageNumber="367" type="holotype">Holotype</typeStatus>
|
||
complete, slight posterior damage,
|
||
<quantity id="4CC74AA6BF4DFFA1FCDEFC8A97F0FC9C" box="[858,945,799,823]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="8" pageNumber="367" unit="mm" value="2.3">2.3 mm</quantity>
|
||
long for 19 chaetigers. Complete
|
||
<typeStatus id="548459E1BF4DFFA1FAB5FC8A91DDFC9D" box="[1329,1436,799,823]" pageId="8" pageNumber="367" type="paratype">paratypes</typeStatus>
|
||
<quantity id="4CC74AA6BF4DFFA1FF13FCD69503FCF0" box="[151,322,835,859]" metricMagnitude="-3" metricUnit="m" metricValue="1.525" metricValueMax="1.93" metricValueMin="1.12" pageId="8" pageNumber="367" unit="mm" value="1.525" valueMax="1.93" valueMin="1.12">1.12–1.93 mm</quantity>
|
||
for 12–19 chaetigers; 14 incomplete specimens, either anteriorly or posteriorly incomplete. Maximum width measured (
|
||
<typeStatus id="548459E1BF4DFFA1FE68FCF39610FCD5" box="[492,593,870,895]" pageId="8" pageNumber="367" type="holotype">holotype</typeStatus>
|
||
) both between segments,
|
||
<quantity id="4CC74AA6BF4DFFA1FC10FCF29041FCD4" box="[916,1024,871,895]" metricMagnitude="-4" metricUnit="m" metricValue="2.9" pageId="8" pageNumber="367" unit="mm" value="0.29">0.29 mm</quantity>
|
||
and including chaetae,
|
||
<quantity id="4CC74AA6BF4DFFA1FAAEFCF291D8FCD4" box="[1322,1433,871,895]" metricMagnitude="-4" metricUnit="m" metricValue="8.299999999999999" pageId="8" pageNumber="367" unit="mm" value="0.83">0.83 mm</quantity>
|
||
. Description and measurements based mainly on
|
||
<typeStatus id="548459E1BF4DFFA1FD32FC1F9759FC09" box="[694,792,906,931]" pageId="8" pageNumber="367" type="holotype">holotype</typeStatus>
|
||
unless otherwise specified.
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43FC3B9520FC41" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">Body shape cylindrical, ventrally flattened, widest mid-body, tapering over last few segments. Colour whiteyellow in alcohol.</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43FC639781FB35" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
|
||
Prostomium (
|
||
<figureCitation id="1304FBC6BF4DFFA1FEE5FC6395E5FBA5" box="[353,420,1014,1039]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
A) oblong, only slightly wider anteriorly. Four eyes present, red-brown. Median antenna, anterodorsally attached, same shape as but half as long (36 µm) as lateral antennae (73–77 µm). Lateral antennae bottle-shaped, arising immediately dorsal to palps (
|
||
<figureCitation id="1304FBC6BF4DFFA1FD57FBAB9754FBFD" box="[723,789,1086,1111]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
A, C). Palps (68–77 µm long) directed posteriorly, stouter than antennae or cirri (
|
||
<figureCitation id="1304FBC6BF4DFFA1FE1AFBF795A2FBD1" box="[414,483,1122,1147]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
C). Nuchal organs not observed. Single mouth appendage present (
|
||
<figureCitation id="1304FBC6BF4DFFA1FB60FBF79168FBD1" box="[1252,1321,1122,1147]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
C). Single pair of jaws, visible with methyl green staining. Proboscis not observed.
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43FB3F97D8FADD" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
|
||
First two segments slightly elevated dorsally with four pairs tentacular cirri, dorsal pairs of similar shape and size as following dorsal cirri, ventral pairs slightly longer but same shape as ventral cirri (
|
||
<figureCitation id="1304FBC6BF4DFFA1FBFCFB5B90F8FB4D" box="[1144,1209,1230,1255]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
A, C). First segment achaetous, second segment with notochaetae only, situated anterior to dorsal tentacular cirrus (
|
||
<figureCitation id="1304FBC6BF4DFFA1FB4FFB67914EFAA1" box="[1227,1295,1266,1291]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
A, C). Third segment biramous; dorsal cirri present, ventral cirri absent (
|
||
<figureCitation id="1304FBC6BF4DFFA1FCBBFA8397C2FA85" box="[831,899,1302,1327]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
C). Following segments all biramous with both dorsal and ventral cirri and noto- and neurochaetae (
|
||
<figureCitation id="1304FBC6BF4DFFA1FD75FAAF9774FAF9" box="[753,821,1338,1363]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
C). Cirrophores present, visible where any cirrus lost. Single noto- and neuroacicula present in each biramous parapodium.
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43FA179528F981" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
|
||
Notopodial lobes reduced. Dorsal cirri long (160–230 µm), slender, slightly shorter than notochaetae, cirrophores present. Styles proximally swollen, distally tapering, tips blunt. Notochaetae long, inserted slightly dorsal and anterior to dorsal cirrus, directed posteriorly, not meeting over or crossing dorsum. Chaetae oval in cross-section, with alternating, offset sharp denticles (
|
||
<figureCitation id="1304FBC6BF4DFFA1FD70FA7B9777F9AD" box="[756,822,1518,1543]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
D, E), approximately 14. Notochaetal count, mid-body segments, over 40.
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43F9A3912EF8E1" blockId="8.[151,1437,474,1939]" pageId="8" pageNumber="367">
|
||
Neuropodia well developed, more curved ventrally, tip of aciculum emergent. Compound neurochaetae, with heterogomph shafts and bidentate falcigerous blades with long, tapering hairs on the blade (
|
||
<figureCitation id="1304FBC6BF4DFFA1FB36F9CF90B7F9D9" box="[1202,1270,1626,1651]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
F); up to same length as notochaetae, not longer than body width. Neurochaetae inserted ventral to acicula, number over 30, midbody segments. 1–2 accessory simple chaetae present, similar to but much smaller than notochaetae, inserted distally and anteriorly on neuropodial lobe. Ventral cirri smaller and shorter than dorsal cirri (length 30–140 µm, longest on median chaetigers), bulbous base more pronounced with more abruptly tapering and finer tips, inserted posteroventrally to neuropodial lobe, directed posteriorly. Single pair of digitiform appendages (possible external genital organs—see Remarks) inserted anteroventrally to ventral cirri (
|
||
<figureCitation id="1304FBC6BF4DFFA1FC2AF8A797B1F8E1" box="[942,1008,1842,1867]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
G) on segment 8 (length 100 µm).
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF43F8C3915DF8C5" blockId="8.[151,1437,474,1939]" box="[199,1308,1878,1903]" pageId="8" pageNumber="367">
|
||
Pygidium conical with single projection (0.27 µm), cylindrical, inserted posteroventrally (
|
||
<figureCitation id="1304FBC6BF4DFFA1FB33F8C390BBF8C5" box="[1207,1274,1878,1903]" captionStart="FIGURE 5" captionStartId="9.[151,250,1793,1815]" captionTargetBox="[151,1436,201,1771]" captionTargetId="figure@9.[151,1436,193,1772]" captionTargetPageId="9" captionText="FIGURE 5. Dysponetus ovalisetosus n. sp.: Holotype (NMW. Z. 2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW. Z. 2011.039.0176) C. anterior end, ventral view; paratype (NMW. Z. 2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW. Z. 2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d = dorsal (cirrus / cirrophore), la = lateral antenna, ma = median antenna, m = mouth appendage, p = palp, pp = pygidial projection, v = ventral (cirrus / cirrophore); segment number indicated by numerals]" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="8" pageNumber="367">Fig. 5</figureCitation>
|
||
B).
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4DFFA1FF13F8EE96D0F839" blockId="8.[151,1437,474,1939]" box="[151,657,1914,1939]" pageId="8" pageNumber="367">No eggs or sperm detected in any specimens.</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF40B7CBBF4CFFA0FF13F89494BDF81B" httpUri="https://zenodo.org/record/241450/files/figure.png" pageId="9" pageNumber="368" targetBox="[151,1436,201,1771]" targetPageId="9">
|
||
<paragraph id="8B80E743BF4CFFA0FF13F89494BDF81B" blockId="9.[151,1436,1793,1969]" pageId="9" pageNumber="368">
|
||
<emphasis id="B94B3B51BF4CFFA0FF13F8949553F8BD" bold="true" box="[151,274,1793,1815]" pageId="9" pageNumber="368">FIGURE 5.</emphasis>
|
||
<taxonomicName id="4C3F9CC0BF4CFFA0FE9DF8979650F8BD" box="[281,529,1793,1815]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="9" pageNumber="368" phylum="Annelida" rank="species" species="ovalisetosus" status="sp. nov.">
|
||
<emphasis id="B94B3B51BF4CFFA0FE9DF8979650F8BD" box="[281,529,1793,1815]" italics="true" pageId="9" pageNumber="368">Dysponetus ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B94B3B51BF4CFFA0FD93F8979611F8BD" bold="true" box="[535,592,1794,1815]" pageId="9" pageNumber="368">
|
||
<taxonomicNameLabel id="A278862ABF4CFFA0FD93F8979611F8BD" box="[535,592,1794,1815]" pageId="9" pageNumber="368" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
: Holotype (NMW.Z.2012.082.0067) A. anterior end, dorsal view; B. posterior end, ventral view; Paratype (NMW.Z.2011.039.0176) C. anterior end, ventral view; paratype (NMW.Z.2011.039.0177) D. notochaetae; E. magnified view of notochaeta; F. neurochaetae; paratype (NMW.Z.2011.039.0176) G. median section, ventral view—arrows indicate possible genital organs on segment 8. [d=dorsal (cirrus/cirrophore), la=lateral antenna, ma=median antenna, m=mouth appendage, p=palp, pp=pygidial projection, v=ventral (cirrus/cirrophore); segment number indicated by numerals]
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C325B4C8BF4FFFA3FF43FF029735FEEA" pageId="10" pageNumber="369" type="etymology">
|
||
<paragraph id="8B80E743BF4FFFA3FF43FF029798FEB7" blockId="10.[151,1436,151,1544]" pageId="10" pageNumber="369">
|
||
<emphasis id="B94B3B51BF4FFFA3FF43FF02950FFF1A" bold="true" box="[199,334,151,176]" pageId="10" pageNumber="369">Etymology.</emphasis>
|
||
The specific name
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FDA2FF0D96EEFF1A" box="[550,687,152,176]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FDA2FF0D96EEFF1A" box="[550,687,152,176]" italics="true" pageId="10" pageNumber="369">ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
is derived from the latin ‘ovali’ meaning ‘oval’ and ‘seta’ meaning ‘bristle’, referring to the shape of the notochaetae which are oval in cross-section in contrast to the D-shape reported for many other species of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FDC7FF749687FF52" box="[579,710,225,248]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="genus">
|
||
<emphasis id="B94B3B51BF4FFFA3FDC7FF749687FF52" box="[579,710,225,248]" italics="true" pageId="10" pageNumber="369">Dysponetus</emphasis>
|
||
</taxonomicName>
|
||
. Although the other species described herein also have oval notochaetae, the character was first detected in this species (see Remarks).
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4FFFA3FF43FEB29735FEEA" blockId="10.[151,1436,151,1544]" box="[199,884,295,320]" pageId="10" pageNumber="369">
|
||
<emphasis id="B94B3B51BF4FFFA3FF43FEB2956BFEEA" bold="true" box="[199,298,295,320]" pageId="10" pageNumber="369">Habitat.</emphasis>
|
||
Epifaunal turf on rocks, coarse sand;
|
||
<quantity id="4CC74AA6BF4FFFA3FD56FEBD9766FE95" box="[722,807,296,320]" metricMagnitude="0" metricUnit="m" metricValue="8.0" metricValueMax="13.0" metricValueMin="3.0" pageId="10" pageNumber="369" unit="m" value="8.0" valueMax="13.0" valueMin="3.0">3–13 m</quantity>
|
||
depth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C325B4C8BF4FFFA3FF43FED99693FECF" box="[199,722,332,357]" pageId="10" pageNumber="369" type="distribution">
|
||
<paragraph id="8B80E743BF4FFFA3FF43FED99693FECF" blockId="10.[151,1436,151,1544]" box="[199,722,332,357]" pageId="10" pageNumber="369">
|
||
<emphasis id="B94B3B51BF4FFFA3FF43FED99521FECF" bold="true" box="[199,352,332,357]" pageId="10" pageNumber="369">Distribution.</emphasis>
|
||
<collectingCountry id="F328A7D3BF4FFFA3FEE3FED9965EFECF" box="[359,543,332,357]" name="Falkland Islands" pageId="10" pageNumber="369">Falkland Islands</collectingCountry>
|
||
(East Falkland)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C325B4C8BF4FFFA3FF43FEFA9549F9A2" pageId="10" pageNumber="369" type="discussion">
|
||
<paragraph id="8B80E743BF4FFFA3FF43FEFA9617FAA7" blockId="10.[151,1436,151,1544]" pageId="10" pageNumber="369">
|
||
<emphasis id="B94B3B51BF4FFFA3FF43FEFA957AFE22" bold="true" box="[199,315,367,392]" pageId="10" pageNumber="369">Remarks.</emphasis>
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEC0FEE49618FE22" box="[324,601,368,392]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus" status="sp. nov.">
|
||
<emphasis id="B94B3B51BF4FFFA3FEC0FEE49618FE22" box="[324,601,368,392]" italics="true" pageId="10" pageNumber="369">Dysponetus ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B94B3B51BF4FFFA3FDE6FEFA96E5FE22" bold="true" box="[610,676,367,392]" pageId="10" pageNumber="369">
|
||
<taxonomicNameLabel id="A278862ABF4FFFA3FDE6FEFA96E5FE22" box="[610,676,367,392]" pageId="10" pageNumber="369" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
belongs to the group of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FC40FEE49006FE22" box="[964,1095,369,392]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="genus">
|
||
<emphasis id="B94B3B51BF4FFFA3FC40FEE49006FE22" box="[964,1095,369,392]" italics="true" pageId="10" pageNumber="369">Dysponetus</emphasis>
|
||
</taxonomicName>
|
||
species with 4 eyes, a mouth appendage, elongated palps and ventral cirri absent on segment 3:
|
||
<emphasis id="B94B3B51BF4FFFA3FCF9FE00910FFE06" box="[893,1358,404,428]" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FCF9FE009056FE06" box="[893,1047,404,428]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bidentatus">D. bidentatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FBA6FE00908CFE06" box="[1058,1229,404,428]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bipapillatus">D. bipapillatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB53FE00910FFE06" box="[1239,1358,404,428]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bricklei" status="sp. nov.">D. bricklei</taxonomicName>
|
||
</emphasis>
|
||
<emphasis id="B94B3B51BF4FFFA3FAD2FE0191D5FE07" bold="true" box="[1366,1428,404,429]" pageId="10" pageNumber="369">
|
||
<taxonomicNameLabel id="A278862ABF4FFFA3FAD2FE0191D5FE07" box="[1366,1428,404,429]" pageId="10" pageNumber="369" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
,
|
||
<emphasis id="B94B3B51BF4FFFA3FF13FE2C960BFE7A" box="[151,586,440,464]" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FF13FE2C9561FE7A" box="[151,288,440,464]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bulbosus">D. bulbosus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEA8FE2C95C2FE7A" box="[300,387,440,464]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="joeli">D. joeli</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE14FE2C960BFE7A" box="[400,586,440,464]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="macroculatus">D. macroculatus</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FD06FE2C9706FE7A" box="[642,839,440,464]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="populonectens">
|
||
<emphasis id="B94B3B51BF4FFFA3FD06FE2C9706FE7A" box="[642,839,440,464]" italics="true" pageId="10" pageNumber="369">D. populonectens</emphasis>
|
||
</taxonomicName>
|
||
. Of these species, the shape of the ventral cirri, with its bulbous base and abruptly tapered distal section, make it most similar in general appearance to
|
||
<emphasis id="B94B3B51BF4FFFA3FA88FE4891DDFE5E" box="[1292,1436,476,500]" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA88FE4891D9FE5E" box="[1292,1432,476,500]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bulbosus">D. bulbosus</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
However, it can be separated from most of these species by the shape of the notochaetae, which are oval in crosssection rather than D-shaped. The shape of the notochaetae has not yet been confirmed for either
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB61FDB0913CFD96" box="[1253,1405,548,572]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bidentatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FB61FDB0913CFD96" box="[1253,1405,548,572]" italics="true" pageId="10" pageNumber="369">D. bidentatus</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FF13FDDC9515FDCA" box="[151,340,584,608]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="macroculatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FF13FDDC9515FDCA" box="[151,340,584,608]" italics="true" pageId="10" pageNumber="369">D. macroculatus</emphasis>
|
||
</taxonomicName>
|
||
. However,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE5BFDDC96CFFDCA" box="[479,654,584,608]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FE5BFDDC96CFFDCA" box="[479,654,584,608]" italics="true" pageId="10" pageNumber="369">D. ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
has anterior insertion of the median antenna as opposed to dorsal insertion on
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEAEFDF89584FD2E" box="[298,453,620,644]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bidentatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FEAEFDF89584FD2E" box="[298,453,620,644]" italics="true" pageId="10" pageNumber="369">D. bidentatus</emphasis>
|
||
</taxonomicName>
|
||
and the shape of the ventral cirri is much more abruptly tapering. In contrast to
|
||
<emphasis id="B94B3B51BF4FFFA3FA05FDF895AAFD02" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA05FDF89570FD02" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="macroculatus">D. macroculatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEBAFD0495AAFD02" box="[318,491,656,680]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">D. ovalisetosus</taxonomicName>
|
||
</emphasis>
|
||
has ventral cirri that taper far more abruptly and there are also far more noto- and neurochaetae present (for similar-sized animals) with fewer denticles present on the notochaetae. The remaining species,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FF7EFD4C9537FD5A" box="[250,374,728,752]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bricklei">
|
||
<emphasis id="B94B3B51BF4FFFA3FF7EFD4C9537FD5A" box="[250,374,728,752]" italics="true" pageId="10" pageNumber="369">D. bricklei</emphasis>
|
||
</taxonomicName>
|
||
, also has oval notochaetae, however, as documented in the description for
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB76FD4C912FFD5A" box="[1266,1390,728,752]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bricklei">
|
||
<emphasis id="B94B3B51BF4FFFA3FB76FD4C912FFD5A" box="[1266,1390,728,752]" italics="true" pageId="10" pageNumber="369">D. bricklei</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA05FD4C9561FCBE" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FA05FD4C9561FCBE" italics="true" pageId="10" pageNumber="369">D. ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
differs in the number of noto- and neurochaetae and the shape of the ventral cirri and neurochaetae.
|
||
<bibRefCitation id="EFAE9AB2BF4FFFA3FF13FC8A95F5FC92" author="Dahlgren" box="[151,436,799,824]" pageId="10" pageNumber="369" refString="Dahlgren, T. G. (1996) Two new species of Dysponetus (Polychaeta: Chrysopetalidae) from Italy and Papua New Guinea. Proceedings of the Biological Society of Washington, 109 (3), 575 - 585. Available from: http: // www. biodiversitylibrary. org / part / 46301 # / summary (Accessed 9 Nov. 2015)" type="journal article" year="1996">
|
||
Dahlgren (1996;
|
||
<figureCitation id="1304FBC6BF4FFFA3FED1FC8A95D6FC92" box="[341,407,799,824]" captionStart="FIGURE 2" captionStartId="4.[151,250,649,671]" captionTargetBox="[151,1436,193,627]" captionTargetId="figure@4.[151,1436,193,628]" captionTargetPageId="4" captionText="FIGURE 2. Dysponetus bulbosus Hartmann-Schröder, 1982: unaccessioned specimen A. anterior end, dorsal view; B. notochaetal fascicle, dorsal view. [d = dorsal (cirrus / cirrophore), la = lateral antenna, m = mouth appendage, p = palp, v = ventral (cirrus / cirrophore); segment number indicated by numerals]. Images: F. Pleijel." httpUri="https://zenodo.org/record/241447/files/figure.png" pageId="10" pageNumber="369">Fig. 2</figureCitation>
|
||
A)
|
||
</bibRefCitation>
|
||
was the first to specifically describe the cross-sectional shape of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB09FCB49151FC92" box="[1165,1296,801,824]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="genus">
|
||
<emphasis id="B94B3B51BF4FFFA3FB09FCB49151FC92" box="[1165,1296,801,824]" italics="true" pageId="10" pageNumber="369">Dysponetus</emphasis>
|
||
</taxonomicName>
|
||
notochaetae with his description of D-shaped notochaetae in
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FD3EFCD09722FCF6" box="[698,867,836,860]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bipapillatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FD3EFCD09722FCF6" box="[698,867,836,860]" italics="true" pageId="10" pageNumber="369">D. bipapillatus</emphasis>
|
||
</taxonomicName>
|
||
. In the same paper, however, he also described
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA05FCD0956FFC2A" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="macroculatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FA05FCD0956FFC2A" italics="true" pageId="10" pageNumber="369">D. macroculatus</emphasis>
|
||
</taxonomicName>
|
||
but did not state whether the notochaetae for that species also had the same appearance. In 2009, Böggemann noted D-shaped notochaetae for
|
||
<emphasis id="B94B3B51BF4FFFA3FD24FC1897FCFC0E" box="[672,957,908,932]" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FD24FC189755FC0E" box="[672,788,909,932]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="caecus">D. caecus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FCA6FC1897FCFC0E" box="[802,957,908,932]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="hesionides">D. hesionides</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FC7EFC1890CEFC0E" box="[1018,1167,908,932]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="profundus">
|
||
<emphasis id="B94B3B51BF4FFFA3FC7EFC1890CEFC0E" box="[1018,1167,908,932]" italics="true" pageId="10" pageNumber="369">D. profundus</emphasis>
|
||
</taxonomicName>
|
||
and both
|
||
<bibRefCitation id="EFAE9AB2BF4FFFA3FA83FC1994A0FC62" pageId="10" pageNumber="369" refString="Olivier, F., Lana, P., Oliveira, V & Worsfold, T. (2012) Dysponetus joeli sp. nov. (Polychaeta: Chrysopetalidae) from the northeast Atlantic, with a cladistic analysis of the genus and a key to species. Journal of the Marine Biological Association of the UK, 92, 989 - 996. http: // dx. doi. org / 10.1017 / S 0025315412000562" type="journal article">
|
||
Olivier
|
||
<emphasis id="B94B3B51BF4FFFA3FAE5FC1891DDFC0E" box="[1377,1436,908,932]" italics="true" pageId="10" pageNumber="369">et al.</emphasis>
|
||
(2012)
|
||
</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="EFAE9AB2BF4FFFA3FE9EFC3A960FFC62" author="Darbyshire" box="[282,590,943,968]" pageId="10" pageNumber="369" refString="Darbyshire, T. (2012) Re-description of Dysponetus joeli Olivier et al., 2012 (Polychaeta, Chrysopetalidae), with a new key to species of the genus. European Journal of Taxonomy, 27, 1 - 9. http: // dx. doi. org / 10.5852 / ejt. 2012.27" type="journal article" year="2012">
|
||
Darbyshire (2012;
|
||
<figureCitation id="1304FBC6BF4FFFA3FE74FC3A9673FC62" box="[496,562,943,968]" captionStart="FIGURE 2" captionStartId="4.[151,250,649,671]" captionTargetBox="[151,1436,193,627]" captionTargetId="figure@4.[151,1436,193,628]" captionTargetPageId="4" captionText="FIGURE 2. Dysponetus bulbosus Hartmann-Schröder, 1982: unaccessioned specimen A. anterior end, dorsal view; B. notochaetal fascicle, dorsal view. [d = dorsal (cirrus / cirrophore), la = lateral antenna, m = mouth appendage, p = palp, v = ventral (cirrus / cirrophore); segment number indicated by numerals]. Images: F. Pleijel." httpUri="https://zenodo.org/record/241447/files/figure.png" pageId="10" pageNumber="369">Fig. 2</figureCitation>
|
||
C)
|
||
</bibRefCitation>
|
||
figured the same for
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FCC0FC2497DBFC62" box="[836,922,944,968]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="joeli">
|
||
<emphasis id="B94B3B51BF4FFFA3FCC0FC2497DBFC62" box="[836,922,944,968]" italics="true" pageId="10" pageNumber="369">D. joeli</emphasis>
|
||
</taxonomicName>
|
||
in 2012. No mention is made of shape in the description for
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEC9FC409656FC46" box="[333,535,980,1004]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="populonectens">
|
||
<emphasis id="B94B3B51BF4FFFA3FEC9FC409656FC46" box="[333,535,980,1004]" italics="true" pageId="10" pageNumber="369">D. populonectens</emphasis>
|
||
</taxonomicName>
|
||
however it can be determined from the published SEM images. Additional unpublished SEM’s of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE27FC6C966DFBBA" box="[419,556,1016,1040]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bulbosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FE27FC6C966DFBBA" box="[419,556,1016,1040]" italics="true" pageId="10" pageNumber="369">D. bulbosus</emphasis>
|
||
</taxonomicName>
|
||
, made during research for the same paper and figured earlier in this paper, confirm the D-shape for that species also. Cross-sectional shape is still unknown for
|
||
<emphasis id="B94B3B51BF4FFFA3FBE0FB8895B4FBF2" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FBE0FB8890BEFB9E" box="[1124,1279,1052,1076]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bidentatus">D. bidentatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA89FB889132FB9E" box="[1293,1395,1052,1076]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="hebes">D. hebes</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA05FB889570FBF2" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="macroculatus">D. macroculatus</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEC5FBD495B4FBF2" box="[321,501,1088,1112]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="paleophorus">D. paleophorus</taxonomicName>
|
||
</emphasis>
|
||
(which also has 1 or 2 flattened paleae in parapodia from segment 6) and
|
||
<emphasis id="B94B3B51BF4FFFA3FA05FBD495BBFBD6" italics="true" pageId="10" pageNumber="369">
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FA05FBD4954AFBD6" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="pygmaeus">D. pygmaeus</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE9CFBF095BBFBD6" box="[280,506,1124,1148]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="gracilis">Dysponetus gracilis</taxonomicName>
|
||
</emphasis>
|
||
has notochaetae and paleae that are ‘broadly expanded instead of spinelike and curved’ (
|
||
<bibRefCitation id="EFAE9AB2BF4FFFA3FF78FB1D95E5FB0A" author="Hartman" box="[252,420,1159,1184]" pageId="10" pageNumber="369" refString="Hartman, O. (1965) Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Occasional Papers of the Allan Hancock Foundation, 28, 1 - 378." type="journal article" year="1965">Hartman 1965</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE3DFB1C968CFB0A" box="[441,717,1160,1184]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FE3DFB1C968CFB0A" box="[441,717,1160,1184]" italics="true" pageId="10" pageNumber="369">Dysponetus ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
was the first species on which oval notochaetae were observed although this character was later noted for both
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FD30FB38976CFB6E" box="[692,813,1196,1220]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bricklei">
|
||
<emphasis id="B94B3B51BF4FFFA3FD30FB38976CFB6E" box="[692,813,1196,1220]" italics="true" pageId="10" pageNumber="369">D. bricklei</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FCE0FB389045FB6E" box="[868,1028,1197,1220]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B94B3B51BF4FFFA3FCE0FB389045FB6E" box="[868,1028,1197,1220]" italics="true" pageId="10" pageNumber="369">D. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
also. Further research is required to determine if these are the only
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE70FB449636FB42" box="[500,631,1233,1256]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="genus">
|
||
<emphasis id="B94B3B51BF4FFFA3FE70FB449636FB42" box="[500,631,1233,1256]" italics="true" pageId="10" pageNumber="369">Dysponetus</emphasis>
|
||
</taxonomicName>
|
||
species with this character or if any of the remaining species for which the character is unknown also exhibit it.
|
||
</paragraph>
|
||
<paragraph id="8B80E743BF4FFFA3FF43FA829549F9A2" blockId="10.[151,1436,151,1544]" pageId="10" pageNumber="369">
|
||
The additional pair of ventral digitiform appendages observed on chaetiger 8 of some specimens, were first described for
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FEB5FAA896E1FAFF" authority="Dahlgren, 1996" authorityName="Dahlgren" authorityYear="1996" box="[305,672,1340,1365]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bipapillatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FEB5FAA89598FAFE" box="[305,473,1340,1364]" italics="true" pageId="10" pageNumber="369">D. bipapillatus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAE9AB2BF4FFFA3FE63FAA996D9FAFF" author="Dahlgren" box="[487,664,1340,1365]" pageId="10" pageNumber="369" refString="Dahlgren, T. G. (1996) Two new species of Dysponetus (Polychaeta: Chrysopetalidae) from Italy and Papua New Guinea. Proceedings of the Biological Society of Washington, 109 (3), 575 - 585. Available from: http: // www. biodiversitylibrary. org / part / 46301 # / summary (Accessed 9 Nov. 2015)" type="journal article" year="1996">Dahlgren, 1996</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
but have not been reported from any other
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB03FAA8914BFAFE" box="[1159,1290,1341,1364]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="genus">
|
||
<emphasis id="B94B3B51BF4FFFA3FB03FAA8914BFAFE" box="[1159,1290,1341,1364]" italics="true" pageId="10" pageNumber="369">Dysponetus</emphasis>
|
||
</taxonomicName>
|
||
species until now. Dahlgren proposed that the appendages could be external genital organs, but no additional research has been done on their possible purpose. The appendages are not present on every specimen, being found on only 3 out of the
|
||
<specimenCount id="9D392CCABF4FFFA3FF45FA3D951BFA6A" box="[193,346,1447,1472]" pageId="10" pageNumber="369" type="generic">10 specimens</specimenCount>
|
||
of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FE04FA3C9668FA6A" box="[384,553,1448,1472]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="bipapillatus">
|
||
<emphasis id="B94B3B51BF4FFFA3FE04FA3C9668FA6A" box="[384,553,1448,1472]" italics="true" pageId="10" pageNumber="369">D. bipapillatus</emphasis>
|
||
</taxonomicName>
|
||
examined and 7 out of the
|
||
<specimenCount id="9D392CCABF4FFFA3FCE4FA3D97B8FA6A" box="[864,1017,1447,1472]" pageId="10" pageNumber="369" type="generic">21 specimens</specimenCount>
|
||
of
|
||
<taxonomicName id="4C3F9CC0BF4FFFA3FB9BFA3C908AFA6A" box="[1055,1227,1448,1472]" class="Polychaeta" family="Chrysopetalidae" genus="Dysponetus" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="369" phylum="Annelida" rank="species" species="ovalisetosus">
|
||
<emphasis id="B94B3B51BF4FFFA3FB9BFA3C908AFA6A" box="[1055,1227,1448,1472]" italics="true" pageId="10" pageNumber="369">D. ovalisetosus</emphasis>
|
||
</taxonomicName>
|
||
, roughly the same ratio in each species. In neither case were gametes found at the same time that would indicate the sex of the specimen.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |