190 lines
24 KiB
XML
190 lines
24 KiB
XML
<document id="8B9CFD145DB5060F346CD49433C23149" ID-CLB-Dataset="25273" ID-DOI="10.11646/zootaxa.4683.3.7" ID-GBIF-Dataset="5585bd88-5225-4b01-937a-7545143bece2" ID-ISSN="1175-5326" ID-Zenodo-Dep="3479039" ID-ZooBank="2C99CBCD-3760-4DD6-B342-A1C623487254" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1570616022238" checkinUser="plazi" docAuthor="Shimomura, Michitaka & Bruce, Niel L." docDate="2019" docId="1B1587E8FFCA3F601AAAF8B466CBF83D" docLanguage="en" docName="zootaxa.4683.3.7.pdf" docOrigin="Zootaxa 4683 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Xenuraega bythionekta Shimomura & Bruce 2019, sp. nov." docType="treatment" docVersion="8" lastPageNumber="433" masterDocId="E72CFF90FFCB3F621A3DFFC76439FFE3" masterDocTitle="A new species of the mesopelagic isopod genus Xenuraega Tattersall, 1909 (Crustacea: Isopoda: Aegidae) from Japan, the second species in the genus" masterLastPageNumber="438" masterPageNumber="431" pageNumber="432" updateTime="1698759504391" updateUser="ExternalLinkService">
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<mods:mods id="6F02BB78E91B1F6C1A2D7B5286A59A49" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="84C807544BAF95EA4CDAE2137B40DC7F">
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<mods:title id="6D3733F5CC55254ED7E388E25260D537">A new species of the mesopelagic isopod genus Xenuraega Tattersall, 1909 (Crustacea: Isopoda: Aegidae) from Japan, the second species in the genus</mods:title>
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</mods:titleInfo>
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<mods:name id="AAFA9E7C154BE791BB05AA1D562784FB" type="personal">
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<mods:role id="6226F76F72CBA5DD1C036991BE3B35F6">
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<mods:roleTerm id="E4CBFA3168E09731DA9DC765A1F5134D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="9DD81B3E8DCBDED90B4F5ACD128C43A9">Shimomura, Michitaka</mods:namePart>
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</mods:name>
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<mods:name id="6C793E3B19A67F1A3285A4A9EE88DF89" type="personal">
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<mods:role id="EB48D52A472EDEADD745DE941F0DEA04">
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<mods:roleTerm id="6FDEE25474E371EF298A8700B6C8C910">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="C8AD36BFF0DE92F005C08F64D980988B">Bruce, Niel L.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="E03BEF3B7D1015B2942CFDA36A97197F">text</mods:typeOfResource>
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<mods:titleInfo id="0EDBEA106FE9E0BA887C2043FEE143C6">
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<mods:title id="171AF32F9A7A94B0D73F5B1CD4741D36">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="F38986EC3C7B7984250C44D9F8F4D05E">
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<mods:date id="6594909436AB8516E8770AED449B879F">2019</mods:date>
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<mods:detail id="39D57BC6CE20FA7637FA160529FB07A4" type="pubDate">
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<mods:number id="B0B7E6B31AEBE77651E7488916422BB5">2019-10-09</mods:number>
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</mods:detail>
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<mods:detail id="72350C94516DDA7AF30332EB8FB92B5C" type="volume">
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<mods:number id="2735FC8E39465A43A1CD05376A19EB21">4683</mods:number>
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</mods:detail>
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<mods:detail id="03F329B7D81C7B7E19B5C18F0F705055" type="issue">
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<mods:number id="A86E20EC3186CA426EA537912BAACE43">3</mods:number>
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</mods:detail>
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<mods:extent id="BCF039A400E39FE256B19CC20002292E" unit="page">
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<mods:classification id="7E95EC092D539C1996EBDD9D9C9F47D0">journal article</mods:classification>
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<mods:identifier id="B4A48B0BE745B712FA7707FF9679F6C0" type="CLB-Dataset">25273</mods:identifier>
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<mods:identifier id="4B4A1E3104CF60F57D78BE8E1E32B259" type="DOI">10.11646/zootaxa.4683.3.7</mods:identifier>
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<mods:identifier id="43A410A66534A5DAA044E7E23624CAD1" type="GBIF-Dataset">5585bd88-5225-4b01-937a-7545143bece2</mods:identifier>
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<mods:identifier id="B8067EDDEAB8996A536F46CDDA91057F" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="5ACE63834146DB05E66E606DC8DDCEFE" type="Zenodo-Dep">3479039</mods:identifier>
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<mods:identifier id="0877984203314EEB7C2544661C7F04F9" type="ZooBank">2C99CBCD-3760-4DD6-B342-A1C623487254</mods:identifier>
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</mods:mods>
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<treatment id="1B1587E8FFCA3F601AAAF8B466CBF83D" ID-DOI="http://doi.org/10.5281/zenodo.5931704" ID-GBIF-Taxon="159673629" ID-Zenodo-Dep="5931704" LSID="urn:lsid:plazi:treatment:1B1587E8FFCA3F601AAAF8B466CBF83D" httpUri="http://treatment.plazi.org/id/1B1587E8FFCA3F601AAAF8B466CBF83D" lastPageId="2" lastPageNumber="433" pageId="1" pageNumber="432">
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<subSubSection id="DBA66575FFCA3F631AAAF8B4662EF86E" box="[151,535,1906,1933]" pageId="1" pageNumber="432" type="nomenclature">
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<paragraph id="930336FEFFCA3F631AAAF8B4662EF86E" blockId="1.[151,535,1906,1968]" box="[151,535,1906,1933]" pageId="1" pageNumber="432">
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<heading id="C84B8192FFCA3F631AAAF8B4662EF86E" bold="true" box="[151,535,1906,1933]" fontSize="11" level="1" pageId="1" pageNumber="432" reason="1">
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<emphasis id="A1C8EAECFFCA3F631AAAF8B4662EF86E" bold="true" box="[151,535,1906,1933]" pageId="1" pageNumber="432">
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<taxonomicName id="54BC4D7DFFCA3F631AAAF8B4658BF86E" ID-CoL="84F4T" authority="Shimomura & Bruce, 2019" authorityName="Shimomura & Bruce" authorityYear="2019" box="[151,434,1906,1933]" class="Malacostraca" family="Aegidae" genus="Xenuraega" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="432" phylum="Arthropoda" rank="species" species="bythionekta" status="sp. nov.">
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<emphasis id="A1C8EAECFFCA3F631AAAF8B4658BF86E" bold="true" box="[151,434,1906,1933]" italics="true" pageId="1" pageNumber="432">Xenuraega bythionekta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="BAFB5797FFCA3F631B84F8B4662EF86E" box="[441,535,1907,1933]" pageId="1" pageNumber="432" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="DBA66575FFCA3F631AAAF85164C0F853" box="[151,249,1942,1968]" pageId="1" pageNumber="432" type="description">
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<paragraph id="930336FEFFCA3F631AAAF85164C0F853" blockId="1.[151,535,1906,1968]" box="[151,249,1942,1968]" pageId="1" pageNumber="432">
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<figureCitation id="0B872A7BFFCA3F631AAAF85164C0F853" box="[151,249,1942,1968]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="3.[151,250,1969,1994]" captionStartId-1="4.[151,250,1891,1916]" captionStartId-2="5.[151,250,1924,1949]" captionStartId-3="6.[151,250,1960,1985]" captionTargetBox-0="[173,1417,173,1941]" captionTargetBox-1="[189,1394,177,1863]" captionTargetBox-2="[165,1423,224,1835]" captionTargetBox-3="[159,1436,189,1926]" captionTargetId-0="figure@3.[161,1427,166,1950]" captionTargetId-1="figure@4.[179,1408,166,1871]" captionTargetId-2="figure@5.[151,1436,211,1852]" captionTargetId-3="figure@6.[151,1436,174,1929]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="FIGURE 1. Xenuraega bythionekta sp. nov. A, habitus, dorsal; B, habitus, lateral; C, cephalon, dorsal; D, pleotelson and right uropod, dorsal; E, lateral part of pereonites 2 and 3, dorsal; F, seta on pleotelson; G, seta on uropod. Scales = 300 μm." captionText-1="FIGURE 2. Xenuraega bythionekta sp. nov. A, left antennula, ventral; B, left antenna, ventral; C, cephalon, ventral; D, left mandible, dorsal; E, right mandible, dorsal; F, seta on third article of right mandibular palp; G, right maxillula, dorsal; H, apex of right maxillula, dorsal; I, right maxilla, dorsal; J, apex of right maxilla, dorsal; K, left maxilliped, ventral; L, third article of left maxilliped, ventral. Scales = 100 μm." captionText-2="FIGURE 3. Xenuraega bythionekta sp. nov. A, right pereopod 1, lateral; B, right pereopod 2, lateral; C, right pereopod 3, lateral; D, seta on merus of pereopod 3, lateral; E, right pereopod 4, medial; F, right pereopod 5, medial; G, right pereopod 6, medial. Scales = 100 μm." captionText-3="FIGURE 4. Xenuraega bythionekta sp. nov. A, right pleopod 1, ventral; B, right pleopod 2, ventral; C, right pleopod 3, ventral; D, right pleopod 4, ventral; E, right pleopod 5, ventral; F, seta on protopod of right pleopod 1, ventral. Scales = 100 μm." figureDoi-0="http://doi.org/10.5281/zenodo.3479041" figureDoi-1="http://doi.org/10.5281/zenodo.3479043" figureDoi-2="http://doi.org/10.5281/zenodo.3479045" figureDoi-3="http://doi.org/10.5281/zenodo.3479047" httpUri-0="https://zenodo.org/record/3479041/files/figure.png" httpUri-1="https://zenodo.org/record/3479043/files/figure.png" httpUri-2="https://zenodo.org/record/3479045/files/figure.png" httpUri-3="https://zenodo.org/record/3479047/files/figure.png" pageId="1" pageNumber="432">Figs 1–4</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="DBA66575FFCA3F601AAAF8186680FF34" lastPageId="2" lastPageNumber="433" pageId="1" pageNumber="432" type="materials_examined">
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<paragraph id="930336FEFFCA3F601AAAF8186680FF34" blockId="1.[151,1436,2015,2042]" lastBlockId="2.[151,1437,153,2015]" lastPageId="2" lastPageNumber="433" pageId="1" pageNumber="432">
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<emphasis id="A1C8EAECFFCA3F631AAAF81865B9F819" bold="true" box="[151,384,2015,2042]" pageId="1" pageNumber="432">Material examined.</emphasis>
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<materialsCitation id="23D43CA3FFCA3F601BBBF8186482FF57" ID-GBIF-Occurrence="4432901301" lastPageId="2" lastPageNumber="433" location="Okinoerabujima Island" pageId="1" pageNumber="432" specimenCount="1" stateProvince="Kagoshima" typeStatus="holotype">
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<emphasis id="A1C8EAECFFCA3F631BBBF81865D7F819" bold="true" box="[390,494,2015,2042]" italics="true" pageId="1" pageNumber="432">
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<typeStatus id="4C07885CFFCA3F631BBBF81865D7F819" box="[390,494,2015,2042]" pageId="1" pageNumber="432" type="holotype">Holotype</typeStatus>
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</emphasis>
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, manca (2.0 mm), off northwest of
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<location id="96636025FFCA3F631940F82760B8F819" LSID="urn:lsid:plazi:treatment:1B1587E8FFCA3F601AAAF8B466CBF83D:96636025FFCA3F631940F82760B8F819" box="[893,1153,2016,2042]" name="Okinoerabujima Island" pageId="1" pageNumber="432" stateProvince="Kagoshima">Okinoerabujima Island</location>
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,
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<collectingRegion id="5178F81CFFCA3F631EB1F8276175F819" box="[1164,1356,2016,2042]" country="Japan" name="Kagoshima" pageId="1" pageNumber="432">Kagoshima Pref.</collectingRegion>
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, southern
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</materialsCitation>
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<collectingCountry id="EBAB766EFFC93F601AFCFF5D6538FF57" box="[193,257,154,180]" name="Japan" pageId="2" pageNumber="433">Japan</collectingCountry>
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<geoCoordinate id="F6885039FFC93F601B3BFF5D65B5FF57" box="[262,396,153,180]" degrees="27" direction="north" minutes="22.90" orientation="latitude" pageId="2" pageNumber="433" precision="9" value="27.381666">27°22.90´N</geoCoordinate>
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,
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<geoCoordinate id="F6885039FFC93F601BAAFF5D660CFF57" box="[407,565,154,180]" degrees="128" direction="east" minutes="23.70" orientation="longitude" pageId="2" pageNumber="433" precision="9" value="128.395">128°23.70´E–</geoCoordinate>
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<geoCoordinate id="F6885039FFC93F60180BFF5D6683FF57" box="[566,698,154,180]" degrees="27" direction="north" minutes="24.74" orientation="latitude" pageId="2" pageNumber="433" precision="9" value="27.412333">27°24.74´N</geoCoordinate>
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,
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<geoCoordinate id="F6885039FFC93F6018F9FF5D676CFF57" box="[708,853,154,180]" degrees="128" direction="east" minutes="21.98" orientation="longitude" pageId="2" pageNumber="433" precision="9" value="128.36633">128°21.98´E</geoCoordinate>
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,
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<date id="E702103EFFC93F60195DFF5D67CCFF50" box="[864,1013,153,180]" pageId="2" pageNumber="433" value="2000-05-26">26 May 2000</date>
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, depth
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<quantity id="54449B1BFFC93F601E7EFF5E60E4FF50" box="[1091,1245,153,179]" metricMagnitude="3" metricUnit="m" metricValue="1.1785" metricValueMax="1.179" metricValueMin="1.178" pageId="2" pageNumber="433" unit="m" value="1178.5" valueMax="1179.0" valueMin="1178.0">1178–1179 m</quantity>
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, stn. 11,
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<collectionCode id="F5ADAE3BFFC93F601F00FF5E6154FF50" box="[1341,1389,153,179]" country="South Africa" httpUri="http://grbio.org/cool/z2jx-p0kp" name="Ocean Research Institute" pageId="2" pageNumber="433">ORI</collectionCode>
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net, coll. TRV
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<emphasis id="A1C8EAECFFC93F601B36FF7B658EFF35" box="[267,439,188,214]" italics="true" pageId="2" pageNumber="433">Toyoshio-Maru</emphasis>
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(KMNH IvR 500922).
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</paragraph>
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</subSubSection>
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<subSubSection id="DBA66575FFC93F601AFAFF2767C1F8E4" pageId="2" pageNumber="433" type="description">
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<paragraph id="930336FEFFC93F601AFAFF2767E4FDF9" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
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<emphasis id="A1C8EAECFFC93F601AFAFF276560FF18" bold="true" box="[199,345,224,251]" pageId="2" pageNumber="433">Description.</emphasis>
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<emphasis id="A1C8EAECFFC93F601B5DFF2765A3FF19" box="[352,410,224,250]" italics="true" pageId="2" pageNumber="433">Body</emphasis>
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3.5 times as long as greatest width, dorsal surfaces sparsely punctate, widest at pereonite 4, lateral margins weakly ovate.
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<emphasis id="A1C8EAECFFC93F601BDAFEC2667FFEFD" box="[487,582,261,286]" italics="true" pageId="2" pageNumber="433">Rostrum</emphasis>
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simple, anteriorly subtruncate.
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<emphasis id="A1C8EAECFFC93F601995FEC267E4FEFD" box="[936,989,261,286]" italics="true" pageId="2" pageNumber="433">Eyes</emphasis>
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not medially united, separated by about 83% width of head; each eye made up of ~4 transverse rows of ommatidia, each row with ~8 ommatidia; eye colour pale orange.
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<emphasis id="A1C8EAECFFC93F601B15FE8A6549FE84" box="[296,368,333,359]" italics="true" pageId="2" pageNumber="433">Coxae</emphasis>
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all wholly (2 and 3) or anteriorly (4–6) fused to pereonite; coxae 2–3 each with posteroventral angle rounded; coxae 4–6 without oblique carina.
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<emphasis id="A1C8EAECFFC93F6018E7FEB76722FE69" box="[730,795,368,394]" italics="true" pageId="2" pageNumber="433">Pleon</emphasis>
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with pleonite 4 posterolateral margins not extending to posterior margin of pleonite 5; pleonite 5 with posterolateral angles quadrate.
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<emphasis id="A1C8EAECFFC93F601E3FFE536041FE4D" box="[1026,1144,404,430]" italics="true" pageId="2" pageNumber="433">Pleotelson</emphasis>
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2.1 times as long as anterior width, anterior dorsal surface without 2 sub-median depressions, dorsal surface smooth; lateral margins sinuate, posterior two-thirds strongly narrowed and weakly concave; posterior margin narrowly rounded, without RS, with 26 long plumose setae; longest setae 4 times longer than pleotelson length.
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</paragraph>
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<paragraph id="930336FEFFC93F601AFAFDE367C6FD2D" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
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<emphasis id="A1C8EAECFFC93F601AFAFDE36503FDDD" box="[199,314,548,574]" italics="true" pageId="2" pageNumber="433">Antennula</emphasis>
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peduncle article 3 1.1 times as long as combined lengths of articles 1 and 2, 2.5 times as long as wide; flagellum with 4 articles, extending to posterior of pereonite 1.
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<emphasis id="A1C8EAECFFC93F601957FD8E67FEFD80" box="[874,967,585,611]" italics="true" pageId="2" pageNumber="433">Antenna</emphasis>
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peduncle articles 1 and 2 fused; article 4 2.1 times as long as article 3, 2.6 times as long as wide, inferior margin without setae; article 5 1.3 times as long as article 4, 3.8 times as long as wide, inferior margin without setae, anterodistal angle with cluster of 3 short simple setae; antenna flagellum with 16 articles, extending to posterior of pleotelson.
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</paragraph>
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<paragraph id="930336FEFFC93F601AFAFD1F6743FCD8" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
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<emphasis id="A1C8EAECFFC93F601AFAFD1F650BFD11" box="[199,306,728,754]" italics="true" pageId="2" pageNumber="433">Mandible</emphasis>
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molar process absent; palp article 2 without marginal setae; palp article 3 with 1 terminal elongate seta.
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<emphasis id="A1C8EAECFFC93F601AECFD3B6507FCF5" box="[209,318,764,790]" italics="true" pageId="2" pageNumber="433">Maxillula</emphasis>
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with 5 terminal RS.
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<emphasis id="A1C8EAECFFC93F601815FD3B6646FCF5" box="[552,639,764,790]" italics="true" pageId="2" pageNumber="433">Maxilla</emphasis>
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mesial lobe absent; lateral lobe with 3 hooked RS.
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<emphasis id="A1C8EAECFFC93F601EFCFD3B6103FCF5" box="[1217,1338,764,790]" italics="true" pageId="2" pageNumber="433">Maxilliped</emphasis>
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article 2 with 2 hooked RS; article 3 without hooked RS, fused to article 2.
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</paragraph>
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<paragraph id="930336FEFFC93F601AFAFC83660CFAED" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
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<emphasis id="A1C8EAECFFC93F601AFAFC8365BEFCBD" box="[199,391,836,863]" italics="true" pageId="2" pageNumber="433">Pereopod 1 basis</emphasis>
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1.8 times as long as greatest width; inferior margin without RS, superior distal margin without setae; merus inferior margin with 1 small RS, set as single row, superior distal angle with 1 RS; carpus 0.9 times as long as merus, inferior margin without RS; propodus 2.1 times as long as proximal width, propodal palm simple, without blade or process, without setae, inferior margin without RS; dactylus 1.1 times as long as propodus.
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<emphasis id="A1C8EAECFFC93F601F6CFC766510FC0C" italics="true" pageId="2" pageNumber="433">Pereopods 2 and 3</emphasis>
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similar to pereopod 1.
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<emphasis id="A1C8EAECFFC93F601812FC136689FC0C" box="[559,688,980,1007]" italics="true" pageId="2" pageNumber="433">Pereopod 4</emphasis>
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basis 1.4 times as long as greatest width, inferior margins without palmate setae; ischium 0.9 as long as basis, inferior margin with 1 RS, superior distal angle with 2 RS, inferior distal angle with 4 RS; merus 0.9 times as long as ischium, 3.2 times as long as wide, inferior margin without RS, superior distal angle with 3 RS, inferior distal angle with 3 RS; carpus 1.7 times as long as ischium, 8.2 times as long as wide, inferior margin without RS, superior distal angle with 1 RS, inferior distal angle with 5 RS; propodus 2.7 as long as ischium, 11.9 times as long as wide, inferior margin with 0 RS, superior distal angle without slender setae, inferior distal angle with 2 RS.
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<emphasis id="A1C8EAECFFC93F601BCBFB6B664EFB24" box="[502,631,1196,1223]" italics="true" pageId="2" pageNumber="433">Pereopod 5</emphasis>
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similar to pereopod 4, but carpus and propodus less elongate.
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<emphasis id="A1C8EAECFFC93F601F0DFB6B649CFB09" italics="true" pageId="2" pageNumber="433">Pereopod 6</emphasis>
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similar to 5 but carpus and propodus less elongate. Pereopods distal margins of ischium to carpus without slender setae; without strong carina on basis.
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||
</paragraph>
|
||
<paragraph id="930336FEFFC93F601AFAFADF6766F9E9" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
|
||
<emphasis id="A1C8EAECFFC93F601AFAFADF6503FAD0" box="[199,314,1304,1331]" italics="true" pageId="2" pageNumber="433">Pleopod 1</emphasis>
|
||
exopod 3.3 times as long as wide, lateral margin weakly convex, mesial margin straight, with PMS on distal margin only, with ~20 PMS; endopod 3.3 times as long as wide, 1.0 as long and 0.7 as wide as exopod, with ~9 PMS, lateral margin weakly sinuate, with PMS on distal margin only, mesial margin with PMS on distal half; peduncle mesial margin with 4 coupling hooks.
|
||
<emphasis id="A1C8EAECFFC93F60188CFA43671AFA7C" box="[689,803,1412,1439]" italics="true" pageId="2" pageNumber="433">Pleopod 2</emphasis>
|
||
exopod with ~27 PMS, endopod with ~9 PMS.
|
||
<emphasis id="A1C8EAECFFC93F601F02FA43649CFA20" italics="true" pageId="2" pageNumber="433">Pleopod 3</emphasis>
|
||
exopod with ~24 PMS, endopod without PMS.
|
||
<emphasis id="A1C8EAECFFC93F601884FA6F6712FA20" box="[697,811,1448,1475]" italics="true" pageId="2" pageNumber="433">Pleopod 4</emphasis>
|
||
exopod with ~25 PMS, endopod without PMS.
|
||
<emphasis id="A1C8EAECFFC93F601F02FA6F649CFA04" italics="true" pageId="2" pageNumber="433">Pleopod 5</emphasis>
|
||
exopod with ~22 PMS. Pleopods 2–5 peduncle distolateral margin each without acute RS; pleopods 3–5 endopods smaller (0.7–0.8 length; 0.7–0.8 width) than respective exopod.
|
||
</paragraph>
|
||
<paragraph id="930336FEFFC93F601AFAF9D3613CF900" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
|
||
<emphasis id="A1C8EAECFFC93F601AFAF9D36524F9CD" box="[199,285,1556,1582]" italics="true" pageId="2" pageNumber="433">Uropod</emphasis>
|
||
peduncle ventrolateral margin without RS, posterior lobe about absent. Uropod rami with endopod and exopod co-planar, rami extending beyond pleotelson.
|
||
<emphasis id="A1C8EAECFFC93F6018C8F9FF6772F9B1" box="[757,843,1592,1618]" italics="true" pageId="2" pageNumber="433">Exopod</emphasis>
|
||
1.1 times as long as pleotelson, endopod 1.2 as long as pleotelson; 1.1 as long as exopod, marginal setae in single tier; lateral margin distally straight, with 3 slender setae, mesial margin straight, with 3 lateral and 3 terminal plumose setae.
|
||
<emphasis id="A1C8EAECFFC93F6019D8F9476073F979" box="[997,1098,1664,1690]" italics="true" pageId="2" pageNumber="433">Endopod</emphasis>
|
||
extending to just beyond end of endopod, 7.0 times as long as greatest width; lateral margin straight, without RS (3 simple setae); mesial margin straight, with 2 terminal plumose setae; distal margin truncate. Uropod rami both terminally truncate.
|
||
</paragraph>
|
||
<paragraph id="930336FEFFC93F601AFAF92B67C1F8E4" blockId="2.[151,1437,153,2015]" box="[199,1016,1772,1799]" pageId="2" pageNumber="433">
|
||
<emphasis id="A1C8EAECFFC93F601AFAF92B6564F8E4" bold="true" box="[199,349,1772,1799]" pageId="2" pageNumber="433">Color in life.</emphasis>
|
||
Body and appendages transparent white. Eyes pale orange.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="DBA66575FFC93F601AFAF8D66028F874" pageId="2" pageNumber="433" type="discussion">
|
||
<paragraph id="930336FEFFC93F601AFAF8D66028F874" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
|
||
<emphasis id="A1C8EAECFFC93F601AFAF8D6650DF8C8" bold="true" box="[199,308,1809,1835]" pageId="2" pageNumber="433">Remarks</emphasis>
|
||
. This species can be recognized and identified by both uropodal rami being elongate (seven times as long as proximal width) with elongate plumose setae (
|
||
<figureCitation id="0B872A7BFFC93F601920F8F3674DF8AC" box="[797,884,1844,1871]" captionStart="FIGURE 1" captionStartId="3.[151,250,1969,1994]" captionTargetBox="[173,1417,173,1941]" captionTargetId="figure@3.[161,1427,166,1950]" captionTargetPageId="3" captionText="FIGURE 1. Xenuraega bythionekta sp. nov. A, habitus, dorsal; B, habitus, lateral; C, cephalon, dorsal; D, pleotelson and right uropod, dorsal; E, lateral part of pereonites 2 and 3, dorsal; F, seta on pleotelson; G, seta on uropod. Scales = 300 μm." figureDoi="http://doi.org/10.5281/zenodo.3479041" httpUri="https://zenodo.org/record/3479041/files/figure.png" pageId="2" pageNumber="433">Fig. 1A</figureCitation>
|
||
) together with the posteriorly narrowed rounded pleotelson also provided with long plumose setae.
|
||
<taxonomicName id="54BC4D7DFFC93F601882F89E606AF890" authority="Tattersall, 1909" authorityName="Tattersall" authorityYear="1909" box="[703,1107,1880,1907]" class="Malacostraca" family="Aegidae" genus="Xenuraega" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="433" phylum="Arthropoda" rank="species" species="ptilocera">
|
||
<emphasis id="A1C8EAECFFC93F601882F89E679AF891" box="[703,931,1880,1906]" italics="true" pageId="2" pageNumber="433">Xenuraega ptilocera</emphasis>
|
||
<bibRefCitation id="F72D4B0FFFC93F601995F89F606AF890" author="Tattersall, W. M." box="[936,1107,1880,1907]" pageId="2" pageNumber="433" pagination="210 - 219" refId="ref3341" refString="Tattersall, W. M. (1909) II. Amphipoda and Isopoda, with descriptions of two new species. Memoirs of the Challenger Society, 1, 210 - 219." type="journal article" year="1909">Tattersall, 1909</bibRefCitation>
|
||
</taxonomicName>
|
||
differs in having the uropodal exopod reduced to a stub and the pleotelson broadly rounded and lacking setae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="DBA66575FFC93F601AFAF86666CBF83D" pageId="2" pageNumber="433" type="etymology">
|
||
<paragraph id="930336FEFFC93F601AFAF86666CBF83D" blockId="2.[151,1437,153,2015]" pageId="2" pageNumber="433">
|
||
<emphasis id="A1C8EAECFFC93F601AFAF8666576F858" bold="true" box="[199,335,1953,1979]" pageId="2" pageNumber="433">Etymology.</emphasis>
|
||
The epithet derived from the Greek words
|
||
<emphasis id="A1C8EAECFFC93F601909F86767BCF859" box="[820,901,1952,1978]" italics="true" pageId="2" pageNumber="433">bythios</emphasis>
|
||
(of the deep) with
|
||
<emphasis id="A1C8EAECFFC93F601E66F867609AF859" box="[1115,1187,1952,1978]" italics="true" pageId="2" pageNumber="433">nektos</emphasis>
|
||
(swimming), alluding to the presumed bentho-pelagic habitat of the species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |