190 lines
24 KiB
XML
190 lines
24 KiB
XML
<document id="96FD4CF77BBD028DEAE1B9E9591074A6" ID-DOI="10.1080/00222930600956809" ID-ISSN="1464-5262" ID-Zenodo-Dep="5228418" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629445819554" checkinUser="felipe" docAuthor="Bellan-Santini, Denise" docDate="2006" docId="03AB0746155B5251FE402827FDD7FA41" docLanguage="en" docName="JNatHist.40.23-24.1407-1424.pdf" docOrigin="Journal of Natural History 40 (23 - 24)" docSource="http://dx.doi.org/10.1080/00222930600956809" docStyle="DocumentStyle:7E99CF6C63B49250F2A87C3AEDC82D8C.2:JNatHist.2005-2007.journal_article.2cover" docStyleId="7E99CF6C63B49250F2A87C3AEDC82D8C" docStyleName="JNatHist.2005-2007.journal_article.2cover" docStyleVersion="2" docTitle="Rhachotropis licornia Bellan-Santini 2006, n. sp." docType="treatment" docVersion="3" lastPageNumber="1416" masterDocId="FF927F3E155C525AFF96292DFF87FFDE" masterDocTitle="Rhachotropis species (Crustacea: Amphipoda: Eusiridae) of hydrothermal vents and surroundings on the Mid- Atlantic Ridge, Azores Triple Junction zone" masterLastPageNumber="1424" masterPageNumber="1407" pageNumber="1412" updateTime="1699073356226" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:titleInfo id="3D519CA31015702209A0686CA15609C5">
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<mods:title id="BF3E4CD5DBF31FF85F2B580A2C34A1B7">Rhachotropis species (Crustacea: Amphipoda: Eusiridae) of hydrothermal vents and surroundings on the Mid- Atlantic Ridge, Azores Triple Junction zone</mods:title>
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<mods:name id="E22A351EA32B27308266E85038B93BC5" type="personal">
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<mods:role id="84A7812ABE6761F2A72A5CC6B45A9E01">
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<mods:roleTerm id="C65007B9A3AB333309D1C0EB7D9AA47B">Author</mods:roleTerm>
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<mods:namePart id="5FFFB3670E14A76DBA65FF006F7F00C7">Bellan-Santini, Denise</mods:namePart>
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<mods:typeOfResource id="6758C4DDCEB6AF38BA2977FEB5FC1637">text</mods:typeOfResource>
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<mods:titleInfo id="0027573882ABB5D2B294AAD8E79B8134">
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<mods:title id="6EA322CD989FF1FDB188199F02E76BA2">Journal of Natural History</mods:title>
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</mods:titleInfo>
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<mods:part id="4DA0974AFB5269585BECF673BBD43556">
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<mods:date id="5335E7BBAE959EBE2B49C934626DC6A8">2006</mods:date>
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<mods:detail id="0DFC358E29D4CD6CDF985C73689C4563" type="pubDate">
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<mods:number id="743E0AB8FF2EC7A362D94EE570AC8EC5">2006-10-18</mods:number>
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</mods:detail>
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<mods:detail id="4FDDCC53C58F4AC3354C260A0B9174C6" type="volume">
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<mods:number id="81A069B306A2C1A1FFC6241CDB6E32A1">40</mods:number>
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</mods:detail>
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<mods:detail id="E6124A2F72BCF6316CC285BA241A58D7" type="issue">
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<mods:number id="1D20C22A061383DA141235DD90918512">23 - 24</mods:number>
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<mods:extent id="951026161BE3F3F9186D7908199E96A1" unit="page">
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<mods:start id="0098E875A5514E7411328ACA8723B487">1407</mods:start>
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<mods:end id="CF1C0E1DDB2D9063FE13AB04FACC6633">1424</mods:end>
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<mods:url id="142C01D91081E694726858C2E2FBC46C">http://dx.doi.org/10.1080/00222930600956809</mods:url>
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<mods:classification id="F1D96CFBE7B380B11F76AF547B9121E9">journal article</mods:classification>
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<mods:identifier id="4A7D0967817A2EAB049478ACB299FC58" type="DOI">10.1080/00222930600956809</mods:identifier>
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<mods:identifier id="7259D9D3324D31C5D2770B911FB8EBBE" type="ISSN">1464-5262</mods:identifier>
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<mods:identifier id="A4DAFA13A0330C205EB1A5BF07B57105" type="Zenodo-Dep">5228418</mods:identifier>
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<treatment id="03AB0746155B5251FE402827FDD7FA41" LSID="urn:lsid:plazi:treatment:03AB0746155B5251FE402827FDD7FA41" httpUri="http://treatment.plazi.org/id/03AB0746155B5251FE402827FDD7FA41" lastPageId="11" lastPageNumber="1416" pageId="7" pageNumber="1412">
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<subSubSection id="C318E5DB155B525DFE402827FCBCFEFC" box="[470,827,266,290]" pageId="7" pageNumber="1412" type="nomenclature">
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<paragraph id="8BBDB650155B525DFE402827FCBCFEFC" blockId="7.[470,827,266,323]" box="[470,827,266,290]" pageId="7" pageNumber="1412">
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<heading id="D0F5013C155B525DFE402827FCBCFEFC" box="[470,827,266,290]" centered="true" fontSize="10" level="2" pageId="7" pageNumber="1412" reason="2">
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<taxonomicName id="4C02CDD3155B525DFE402827FD75FEFC" ID-CoL="4RWXV" authority="Bellan-Santini, 2006" authorityName="Bellan-Santini" authorityYear="2006" box="[470,754,266,290]" class="Malacostraca" family="Eusiridae" genus="Rhachotropis" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="1412" phylum="Arthropoda" rank="species" species="licornia" status="sp. nov.">
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<emphasis id="B9766A42155B525DFE402827FD75FEFC" bold="true" box="[470,754,266,290]" italics="true" pageId="7" pageNumber="1412">Rhachotropis licornia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A245D739155B525DFD6C2827FCBCFEFC" box="[762,827,266,290]" pageId="7" pageNumber="1412" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C318E5DB155B5251FDAA2806FDD7FA41" lastPageId="11" lastPageNumber="1416" pageId="7" pageNumber="1412" type="description">
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<paragraph id="8BBDB650155B525DFDAA2806FD51FE9D" blockId="7.[470,827,266,323]" box="[572,726,299,323]" pageId="7" pageNumber="1412">
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(
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<figureCitation id="1339AAD5155B525DFDD22806FD4AFE9D" box="[580,717,299,323]" captionStart-0="Figure 3" captionStart-1="Figure 4" captionStart-2="Figure 5" captionStartId-0="8.[138,198,1637,1656]" captionStartId-1="9.[125,185,1611,1630]" captionStartId-2="10.[138,198,1550,1569]" captionTargetBox-0="[151,1172,137,1599]" captionTargetBox-1="[148,1149,135,1576]" captionTargetBox-2="[247,1077,154,1511]" captionTargetId-0="figure-0@8.[146,1176,133,1601]" captionTargetId-1="figure-1@9.[145,1153,133,1576]" captionTargetId-2="figure-0@10.[247,1077,154,1514]" captionTargetPageId-0="8" captionTargetPageId-1="9" captionTargetPageId-2="10" captionText-0="Figure 3. Rhachotropis licornia, FLAME 2, PPS3-H20, holotype, 10 mm. (1) Habitus; (2) antenna 1; (3) antenna 2; (4) mandible; (5) maxilla 2; (6) maxilliped; (7) gnathopod 1; (8) gnathopod 2. Scale bars: 100 mm." captionText-1="Figure 4. Rhachotropis licornia, FLAME 2, PPS3-H20, holotype, 10 mm. (1) Labium; (2) maxilla 1; (3) pereopod 3; (4) pereopod 4; (5) pereopod 5; (6) pereopod 6; (7) pereopod 7; (8) uropod 1; (9) uropod 2; (10) uropod 3; (11) telson. Scale bars: 100 mm." captionText-2="Figure 5. Rhachotropis licornia, FLAME 2, PPS3-H20, holotype, 10 mm. (1) Antenna 1, spine of the infero distal corner, article 1 of the peduncle; (2) antenna 1, article 1, shaft of the spine; (3) antenna 1, article 1, scales hookshaped in the half distal part of the spine; (4) antenna 1, calceoli of article 2; (5) antenna 2, setae tufts of the anterior margin of article 4; (6) antenna 2, calceolus of article 5. Scale bars: 100 mm (a); 20 mm (b); 10 mm (c)." figureDoi-0="http://doi.org/10.5281/zenodo.5228426" figureDoi-1="http://doi.org/10.5281/zenodo.5228428" figureDoi-2="http://doi.org/10.5281/zenodo.5228430" httpUri-0="https://zenodo.org/record/5228426/files/figure.png" httpUri-1="https://zenodo.org/record/5228428/files/figure.png" httpUri-2="https://zenodo.org/record/5228430/files/figure.png" pageId="7" pageNumber="1412">Figures 3–5</figureCitation>
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)
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2850FE8FFE4A" blockId="7.[125,264,380,404]" box="[125,264,380,404]" pageId="7" pageNumber="1412">
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<emphasis id="B9766A42155B525DFFEB2850FE8FFE4A" box="[125,264,380,404]" italics="true" pageId="7" pageNumber="1412">Type locality</emphasis>
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2880FF6AFE3B" blockId="7.[125,1172,429,485]" pageId="7" pageNumber="1412">
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Mid-Atlantic Ridge,
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<geoCoordinate id="EE36D097155B525DFE152880FD88FE1B" box="[387,527,429,453]" degrees="36" direction="north" minutes="13.459" orientation="latitude" pageId="7" pageNumber="1412" precision="1" value="36.224316">
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36
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<emphasis id="B9766A42155B525DFE362880FE2DFE1B" bold="true" box="[416,426,429,453]" italics="true" pageId="7" pageNumber="1412">°</emphasis>
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13.459N
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</geoCoordinate>
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,
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<geoCoordinate id="EE36D097155B525DFDB02880FD30FE1B" box="[550,695,429,453]" degrees="33" direction="west" minutes="52.819" orientation="longitude" pageId="7" pageNumber="1412" precision="1" value="-33.880318">
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33
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<emphasis id="B9766A42155B525DFDD52880FDCAFE1B" bold="true" box="[579,589,429,453]" italics="true" pageId="7" pageNumber="1412">°</emphasis>
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52.819W
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</geoCoordinate>
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,
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<quantity id="4CFA1BB5155B525DFD5B2880FCA1FE1B" box="[717,806,429,453]" metricMagnitude="3" metricUnit="m" metricValue="1.9369999999999998" pageId="7" pageNumber="1412" unit="m" value="1937.0">1937 m</quantity>
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, at
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<quantity id="4CFA1BB5155B525DFCF52880FC3DFE1B" box="[867,954,429,453]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="7" pageNumber="1412" unit="m" value="2000.0">2000 m</quantity>
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to the vent site Rainbow.
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2B39FECBFDF2" blockId="7.[125,332,532,556]" box="[125,332,532,556]" pageId="7" pageNumber="1412">
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<emphasis id="B9766A42155B525DFFEB2B39FECBFDF2" box="[125,332,532,556]" italics="true" pageId="7" pageNumber="1412">Material examined</emphasis>
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2B69FC96FDA3" blockId="7.[125,1172,580,637]" pageId="7" pageNumber="1412">
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<materialsCitation id="3B6ABC0D155B525DFFEB2B69FC96FDA3" collectingDate="1997-05-20" collectionCode="FLAME" elevation="20300" pageId="7" pageNumber="1412" specimenCode="FLAME 2" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54B908F2155B525DFFEB2B69FF6BFD82" box="[125,236,580,604]" pageId="7" pageNumber="1412" type="holotype">Holotype</typeStatus>
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,
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<quantity id="4CFA1BB5155B525DFF6F2B69FECEFD82" box="[249,329,580,604]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="1412" unit="mm" value="10.0">10 mm</quantity>
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length.
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<specimenCode id="DBA41E2B155B525DFE3F2B69FDA3FD82" box="[425,548,580,604]" collectionCode="FLAME" pageId="7" pageNumber="1412">FLAME 2</specimenCode>
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Cruise,
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<date id="FFBC9090155B525DFD1E2B69FCAFFD82" box="[648,808,580,604]" pageId="7" pageNumber="1412" value="1997-05-20">
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<collectingDate id="EFF86978155B525DFD1E2B69FCAFFD82" box="[648,808,580,604]" pageId="7" pageNumber="1412" value="1997-05-20">20 May 1997</collectingDate>
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</date>
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,
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<collectingMethod id="5243CE47155B525DFCA32B69FB13FD82" box="[821,1172,580,604]" pageId="7" pageNumber="1412">collected by the sediment trap</collectingMethod>
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PPS3-H
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<quantity id="4CFA1BB5155B525DFF492B48FED3FDA3" box="[223,340,613,637]" metricMagnitude="4" metricUnit="m" metricValue="2.03" pageId="7" pageNumber="1412" unit="m" value="20300.0">
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<elevation id="002F5163155B525DFF492B48FED3FDA3" box="[223,340,613,637]" metricMagnitude="4" metricUnit="m" metricValue="2.03" pageId="7" pageNumber="1412" unit="m" value="20300.0">20, 300 m</elevation>
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</quantity>
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above the bottom, MNHN-Am7454.
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</materialsCitation>
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2B86FF61FD1D" blockId="7.[125,230,683,707]" box="[125,230,683,707]" pageId="7" pageNumber="1412">
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<emphasis id="B9766A42155B525DFFEB2B86FF61FD1D" box="[125,230,683,707]" italics="true" pageId="7" pageNumber="1412">Diagnosis</emphasis>
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2BF1FF30FC8B" blockId="7.[125,1172,732,853]" pageId="7" pageNumber="1412">Body smooth. Eyes absent. Antenna 1 longer than antenna 2, article 1 robust, twice as long as head; bearing at the infero-distal corner a long curved spine covered with hook-shaped scales, no accessory flagellum. Gnathopods subchelate. Telson long and tapered, deeply cleft.</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2AAEFF72FC45" blockId="7.[125,245,899,923]" box="[125,245,899,923]" pageId="7" pageNumber="1412">
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<emphasis id="B9766A42155B525DFFEB2AAEFF72FC45" box="[125,245,899,923]" italics="true" pageId="7" pageNumber="1412">Description</emphasis>
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</paragraph>
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<paragraph id="8BBDB650155B525DFFEB2A99FEB6FC12" blockId="7.[125,1173,948,1685]" box="[125,305,948,972]" pageId="7" pageNumber="1412">
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Length
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<quantity id="4CFA1BB5155B525DFF4F2A99FEAAFC12" box="[217,301,948,972]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="1412" unit="mm" value="10.0">10 mm</quantity>
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.
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</paragraph>
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<paragraph id="8BBDB650155B525DFF0E2AF8FC29FA6F" blockId="7.[125,1173,948,1685]" pageId="7" pageNumber="1412">Head shorter than the first segment of the pereon. Body smooth. Eyes absent. Rostrum short, lateral lobe rounded. Antenna 1 longer than antenna 2, article 1 robust, twice as long as head; bearing at the infero-distal corner a long curved spine covered with hook-shaped scales in the distal half; the inferior edge fringed with five tufts of setae; article 2 1.5 times as long as article 1, bearing at the inferior edge two rows of calceoli. The calceoli with attachment stalks in the central line and the distal element orientated toward the exterior. Accessory flagellum absent; flagellum with 80 articles each bearing a calceolus at the posterior edge and a seta at the anterior edge. Antenna 2 shorter than antenna 1, peduncle article 4 a little shorter than 5, bearing 14 tufts of setae on the anterior margin and more at the posterior margin; article 5 fringed anteriorly with calceoli and bearing distally three long plumose setae; flagellum 34-articulate, the 21 proximal articles each bear a calceolus. Maxilla 1 palp biarticulate, inner plate rounded with two setae on the inner edge, outer plate with seven dentate spines. Maxilla 2 inner plate broader than outer, both fringed with numerous setae. Maxilliped inner plate short, outer plate large, both hardly setose, palp four-articulate, articles 2 and 3 ovate, densely setose, article 4 falcate.</paragraph>
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<paragraph id="8BBDB650155B525DFF0E2C97FC3AF9ED" blockId="7.[125,1173,948,1685]" pageId="7" pageNumber="1412">Coxa 1 quadrate, distal edge rounded, distal posterior corner notched. Coxa 2 subrectangular, distal posterior corner notched, posterior edge with a spine in the middle. Coxa 3 subrectangular, distal posterior corner notched, posterior edge with a spine in the middle. Coxa 4 anteriorly rounded, the posterior edge weakly concave.</paragraph>
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<paragraph id="8BBDB650155B5251FF0E2F11FE7DFEDE" blockId="7.[125,1173,948,1685]" lastBlockId="11.[125,1172,136,607]" lastPageId="11" lastPageNumber="1416" pageId="7" pageNumber="1412">Gnathopods subchelate. Gnathopod 1 anterior edge of basis fringed by numerous setae, ischium and merus short, carpus lobate, propodus enlarged, length/breadth ratio 3.5:2.5, palm fringed with numerous short setae, delimited by a tuft of spines, dactylus as long as palm. Gnathopod 2 basis weakly setose on the anterodistal part, ischium and merus short, carpus lobate posteriorly, lobe extended, propodus less wide than gnathopod 1, length/ breadth ratio 2:1, palm fringed with numerous short setae, palm delimited by a tuft of spines, dactylus as long as palm.</paragraph>
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<caption id="DF7DE6D815545252FF1C2F48FBC4F94D" ID-DOI="http://doi.org/10.5281/zenodo.5228426" ID-Zenodo-Dep="5228426" httpUri="https://zenodo.org/record/5228426/files/figure.png" pageId="8" pageNumber="1413" startId="8.[138,198,1637,1656]" targetBox="[151,1172,137,1599]" targetPageId="8">
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<paragraph id="8BBDB65015545252FF1C2F48FBC4F94D" blockId="8.[138,1185,1637,1683]" pageId="8" pageNumber="1413">
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Figure 3.
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<taxonomicName id="4C02CDD315545252FF7F2F48FE7DF9A6" authority=", FLAME" authorityName="FLAME" box="[233,506,1637,1656]" class="Malacostraca" family="Eusiridae" genus="Rhachotropis" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="1413" phylum="Arthropoda" rank="species" species="licornia">
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<emphasis id="B9766A4215545252FF7F2F48FE18F9A6" box="[233,415,1637,1656]" italics="true" pageId="8" pageNumber="1413">Rhachotropis licornia</emphasis>
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, FLAME
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</taxonomicName>
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2, PPS3-H20, holotype, 10 mm. (1) Habitus; (2) antenna 1; (3) antenna 2; (4) mandible; (5) maxilla 2; (6) maxilliped; (7) gnathopod 1; (8) gnathopod 2. Scale bars: 100 mm.
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</paragraph>
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</caption>
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<caption id="DF7DE6D815555253FFEB2F66FE20F94A" ID-DOI="http://doi.org/10.5281/zenodo.5228428" ID-Zenodo-Dep="5228428" httpUri="https://zenodo.org/record/5228428/files/figure.png" pageId="9" pageNumber="1414" startId="9.[125,185,1611,1630]" targetBox="[148,1149,135,1576]" targetPageId="9">
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<paragraph id="8BBDB65015555253FFEB2F66FE20F94A" blockId="9.[125,1172,1611,1684]" pageId="9" pageNumber="1414">
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Figure 4.
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<taxonomicName id="4C02CDD315555253FF4A2F66FE6AF980" authority=", FLAME" authorityName="FLAME" box="[220,493,1611,1630]" class="Malacostraca" family="Eusiridae" genus="Rhachotropis" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="1414" phylum="Arthropoda" rank="species" species="licornia">
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<emphasis id="B9766A4215555253FF4A2F66FE15F980" box="[220,402,1611,1630]" italics="true" pageId="9" pageNumber="1414">Rhachotropis licornia</emphasis>
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, FLAME
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</taxonomicName>
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2, PPS3-H20, holotype, 10 mm. (1) Labium; (2) maxilla 1; (3) pereopod 3; (4) pereopod 4; (5) pereopod 5; (6) pereopod 6; (7) pereopod 7; (8) uropod 1; (9) uropod 2; (10) uropod 3; (11) telson. Scale bars: 100 mm.
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</paragraph>
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</caption>
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<caption id="DF7DE6D815565250FF1C2F23FB10F9AF" ID-DOI="http://doi.org/10.5281/zenodo.5228430" ID-Zenodo-Dep="5228430" httpUri="https://zenodo.org/record/5228430/files/figure.png" pageId="10" pageNumber="1415" startId="10.[138,198,1550,1569]" targetBox="[247,1077,154,1511]" targetPageId="10">
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<paragraph id="8BBDB65015565250FF1C2F23FB10F9AF" blockId="10.[138,1185,1550,1649]" pageId="10" pageNumber="1415">
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Figure 5.
|
||
<taxonomicName id="4C02CDD315565250FF7F2F23FE7DF9FF" authority=", FLAME" authorityName="FLAME" box="[233,506,1550,1569]" class="Malacostraca" family="Eusiridae" genus="Rhachotropis" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="1415" phylum="Arthropoda" rank="species" species="licornia">
|
||
<emphasis id="B9766A4215565250FF7F2F23FE18F9FF" box="[233,415,1550,1569]" italics="true" pageId="10" pageNumber="1415">Rhachotropis licornia</emphasis>
|
||
, FLAME
|
||
</taxonomicName>
|
||
2, PPS3-H20, holotype, 10 mm. (1) Antenna 1, spine of the infero distal corner, article 1 of the peduncle; (2) antenna 1, article 1, shaft of the spine; (3) antenna 1, article 1, scales hookshaped in the half distal part of the spine; (4) antenna 1, calceoli of article 2; (5) antenna 2, setae tufts of the anterior margin of article 4; (6) antenna 2, calceolus of article 5. Scale bars: 100 mm (a); 20 mm (b); 10 mm (c).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BBDB65015575251FF0E2825FCF5FE61" blockId="11.[125,1172,136,607]" pageId="11" pageNumber="1416">Pereopods 3–4 slender and elongate, each article except ischium long and slender. Pereopod 5 basis lobate, anterior edge rounded and fringed with small spines, ischium short, carpus, propodus, and dactylus elongate. Pereopod 6 basis distally lobate, lobe reaching merus, ischium short, merus, carpus, propodus, and dactylus slender and elongate. Pereopod 7 basis distally lobate, lobe triangular, reaching anterior third of the merus, ischium short, merus, carpus elongate, propodus broken.</paragraph>
|
||
<paragraph id="8BBDB65015575251FF0E28E5FD39FD81" blockId="11.[125,1172,136,607]" pageId="11" pageNumber="1416">Epimeral plates rounded. Uropod 1 peduncle long and spinose, rami short, outer ramus/ inner ramus ratio 1:2, inner ramus fringed with small spines, outer ramus with one small spine. Uropod 2 peduncle slightly shorter than inner ramus, outer ramus shorter than inner ramus, peduncle and rami bear short spines. Uropod 3 peduncle short, rami subequal and foliaceous. Telson long and tapered, deeply cleft.</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2BAAFF5BFD41" blockId="11.[125,220,647,671]" box="[125,220,647,671]" pageId="11" pageNumber="1416">
|
||
<emphasis id="B9766A4215575251FFEB2BAAFF5BFD41" box="[125,220,647,671]" italics="true" pageId="11" pageNumber="1416">Remarks</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2B9AFDA4FCF1" blockId="11.[125,1172,695,943]" pageId="11" pageNumber="1416">This species is characterized by the long spine at the inferodistal corner of article 1 of antenna 1. This long curved spine is fluted on the proximal surface and is scaly and hooked on the distal part. Article 2 of antenna 1 bears two rows of calceoli on the inferior edge in front of the spine of the first article.</paragraph>
|
||
<paragraph id="8BBDB65015575251FF0E2A1AFC34FC71" blockId="11.[125,1172,695,943]" pageId="11" pageNumber="1416">
|
||
The hypothesis of sonar or sound receptor function for the calceoli put forward by
|
||
<bibRefCitation id="EF93CBA115575251FFEB2A7AFE4DFCB1" author="Lincoln RJ & Hurley DE" box="[125,458,855,879]" pageId="11" pageNumber="1416" pagination="103 - 116" refId="ref6652" refString="Lincoln RJ, Hurley DE. 1981. The calceolus, a sensory structure of gammaridean amphipods (Amphipoda: Gammaridea). Bulletin of the British Museum (Natural History), Zoology Series 40: 103 - 116." type="book chapter" year="1981">Lincoln and Hurley (1981)</bibRefCitation>
|
||
, based on the radar reflector form of the calceoli, may be reinforced by the presence in
|
||
<taxonomicName id="4C02CDD315575251FE772A5AFD3DFC51" authorityName="Bellan-Santini" authorityYear="2006" box="[481,698,887,911]" class="Malacostraca" family="Eusiridae" genus="Rachotropis" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="1416" phylum="Arthropoda" rank="species" species="licornia">
|
||
<emphasis id="B9766A4215575251FE772A5AFD3DFC51" box="[481,698,887,911]" italics="true" pageId="11" pageNumber="1416">Rachotropis licornia</emphasis>
|
||
</taxonomicName>
|
||
of the spine-bearing scales, similar to a vibrator positioned in front of the double rows of calceoli on article 2.
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2AFAFF69FC31" blockId="11.[125,238,983,1007]" box="[125,238,983,1007]" pageId="11" pageNumber="1416">
|
||
<emphasis id="B9766A4215575251FFEB2AFAFF69FC31" box="[125,238,983,1007]" italics="true" pageId="11" pageNumber="1416">Etymology</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2D2AFD8EFBE1" blockId="11.[125,1172,1031,1087]" pageId="11" pageNumber="1416">The name is suggested by the spine of antenna 1, with a strange morphology resembling the horn of the mythological Licorne.</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2D4AFE85FBA1" blockId="11.[125,258,1127,1151]" box="[125,258,1127,1151]" pageId="11" pageNumber="1416">
|
||
<emphasis id="B9766A4215575251FFEB2D4AFE85FBA1" box="[125,258,1127,1151]" italics="true" pageId="11" pageNumber="1416">Relationship</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2DBAFD0BFB31" blockId="11.[125,1172,1175,1263]" pageId="11" pageNumber="1416">
|
||
A similar antenna 1 has not been described before. This species, with a smooth body, lacking a rostrum, with a long deeply cleft telson, is assigned to the complex
|
||
<taxonomicName id="4C02CDD315575251FB9E2D9AFB13FB11" authorityName="S. I. Smith" authorityYear="1883" box="[1032,1172,1207,1231]" class="Malacostraca" family="Eusiridae" genus="Rhachotropis" kingdom="Animalia" order="Amphipoda" pageId="11" pageNumber="1416" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9766A4215575251FB9E2D9AFB13FB11" box="[1032,1172,1207,1231]" italics="true" pageId="11" pageNumber="1416">Rhachotropis</emphasis>
|
||
</taxonomicName>
|
||
genus but it perhaps represents a new genus.
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2C3AFE01FAF1" blockId="11.[125,390,1303,1327]" box="[125,390,1303,1327]" pageId="11" pageNumber="1416">
|
||
<emphasis id="B9766A4215575251FFEB2C3AFE01FAF1" box="[125,390,1303,1327]" italics="true" pageId="11" pageNumber="1416">Distribution and habitat</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BBDB65015575251FFEB2C6AFDD7FA41" blockId="11.[125,1172,1351,1439]" pageId="11" pageNumber="1416">
|
||
Mid-Atlantic Ridge, Central Atlantic Ocean. This species was sampled in a sediment trap deployed
|
||
<quantity id="4CFA1BB515575251FF632C4AFECCFAA1" box="[245,331,1383,1407]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="11" pageNumber="1416" unit="m" value="2000.0">2000 m</quantity>
|
||
of the vent site Rainbow, at
|
||
<quantity id="4CFA1BB515575251FD5C2C4AFC96FAA1" box="[714,785,1383,1407]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="11" pageNumber="1416" unit="m" value="300.0">300 m</quantity>
|
||
above the bottom. Thus, it is considered to be a bathypelagic species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |