209 lines
17 KiB
XML
209 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.173.2498" ID-GBIF-Dataset="5b93df74-43b1-40e4-aeba-3aa975e2af67" ID-PMC="PMC3307359" ID-Pensoft-Pub="1313-2970-173-11" ID-PubMed="22448118" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-173-11" ModsDocOrigin="ZooKeys 173" ModsDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part III: coral rubble-dwellers" checkinTime="1451249315473" checkinUser="pensoft" docAuthor="White, Kristine N. & Reimer, James Davis" docDate="2012" docId="2D2C82A82E21AE3A557BD8C294DB2027" docLanguage="en" docName="ZooKeys 173: 11-50" docOrigin="ZooKeys 173" docSource="http://dx.doi.org/10.3897/zookeys.173.2498" docTitle="Leucothoe kebukai White & Reimer, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="34" masterDocId="4439C6096222FFF01756FF84FFB8C564" masterDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part III: coral rubble-dwellers" masterLastPageNumber="50" masterPageNumber="11" pageNumber="31" updateTime="1668153282892" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part III: coral rubble-dwellers</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>White, Kristine N.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Reimer, James Davis</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>173</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>50</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.173.2498</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.173.2498</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-173-11</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152033444" LSID="urn:lsid:zoobank.org:act:67D3C0E3-1116-4C18-BB11-BB8536620BD3" httpUri="http://treatment.plazi.org/id/2D2C82A82E21AE3A557BD8C294DB2027" lastPageId="23" lastPageNumber="34" pageId="20" pageNumber="31">
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<subSubSection pageId="20" pageNumber="31" type="nomenclature">
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<paragraph pageId="20" pageNumber="31">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:67D3C0E3-1116-4C18-BB11-BB8536620BD3" class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="20" pageNumber="31" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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<taxonomicNameLabel pageId="20" pageNumber="31">sp. n.</taxonomicNameLabel>
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Figures 11 12
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="31" type="type material">
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<paragraph pageId="20" pageNumber="31">Type material.</paragraph>
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<paragraph pageId="20" pageNumber="31">
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Holotype male, 2.2 mm RUMF-ZC-1865, Yona, Kunigami,
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, reef wall (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.765556">26°45'56"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="128.1961">128°11'46"E</geoCoordinate>
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), among coral rubble, 9 m, K.N. White and N.S. White, col., 23 October 2010 (KNWOkinawa15H). Paratype female, 2.6 mm, RUMF-ZC-1866, Kaminomine, Tokunoshima Island, Kagoshima, patch reef (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="27.769722">27°46'11"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="129.03862">129°02'19"E</geoCoordinate>
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), among coral rubble, 1 m, K.N. White and N.S. White, col., 20 September 2010 (KNWTokuno1A).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="32" type="type locality">
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<paragraph pageId="21" pageNumber="32">
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<pageBreakToken pageId="21" pageNumber="32" start="start">Type</pageBreakToken>
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locality.
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</paragraph>
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<paragraph pageId="21" pageNumber="32">
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Yonna, Kunigami,
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.765556">26°45'56"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="128.1961">128°11'46"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="22" lastPageNumber="33" pageId="21" pageNumber="32" type="additional material examined">
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<paragraph pageId="21" pageNumber="32">Additional material examined.</paragraph>
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<paragraph lastPageId="22" lastPageNumber="33" pageId="21" pageNumber="32">
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1 specimen, NSMT-Cr 22002, KNWOkinawa14D; 1 specimen, RUMF-ZC-1867, KNWOkinawa15H; 3 specimens, NSMT-Cr 22003, KNWOkinawa15H; 1 specimen, NSMT-Cr 22004, KNWOkinawa19B;1
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<pageBreakToken pageId="22" pageNumber="33" start="start">specimen</pageBreakToken>
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, RUMF-ZC-1868, KNWOkinawa19C; 1 specimen, RUMF-ZC-1869, KNWOkinawa31C; 1 specimen, NSMT-Cr 22005, KNWOkinawa33F; 3 specimens, RUMF-ZC-1870, KNWOkinawa34L; 7 specimens, NSMT-Cr 22006, KNWOkinawa53E; 1 specimen, RUMF-ZC-1871, KNWOkinawa60A; 1 specimen, NSMT-Cr 22007, KNWTokuno3C; 3 specimens, RUMF-ZC-1872, KNWTokuno3E; 2 specimens, NSMT-Cr 22008, KNWTokuno4G; 1 specimen, RUMF-ZC-1873, KNWYaku1E; 1 specimen, NSMT-Cr 22009, KNWYaku2D.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="22" pageNumber="33" type="diagnosis (male)">
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<paragraph pageId="22" pageNumber="33">Diagnosis (male).</paragraph>
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<paragraph pageId="22" pageNumber="33">
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Head anterior margin truncate, distal margin oblique, convex. Right mandible lacinia mobilis represented by a small ridge. Maxilla 1 palp 1-articulate, margins constricted. Gnathopod 1 carpus and propodus curved; dactylus reaching 0.2
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Gnathopod 2 basis anterior margin with 7 long setae; carpus distally truncate, spoon-like. Pereopods 5-6 coxae with facial setae; bases broadly expanded.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="23" lastPageNumber="34" pageId="22" pageNumber="33" type="description">
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<paragraph pageId="22" pageNumber="33">Description (male).</paragraph>
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<paragraph pageId="22" pageNumber="33">
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Head. Anterior margin truncate, anterodistal margin subquadrate, distal margin oblique, convex; ventral cephalic keel anterior margin transverse, anteroventral margin subquadrate, ventral margin straight; eyes present with more than 10 ommatidia, round. Antenna 1 0.4
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<normalizedToken originalValue="×">x</normalizedToken>
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body length, flagellum 7-articulate, peduncle article 1 width less than 2
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<normalizedToken originalValue="×">x</normalizedToken>
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article 2, accessory flagellum absent. Antenna 2 0.3
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<normalizedToken originalValue="×">x</normalizedToken>
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body length, shorter than antenna 1, flagellum 7-articulate. Mandibular palp ratio of articles 1-3 1.0: 3.0: 0.6, article 2 with 2-3 distal setae, article 3 with 1distal seta, incisors weakly dentate; left mandible with 9 raker spines, lacinia mobilis large, strongly toothed; right mandible with 7 raker spines, lacinia mobilis represented by a small ridge. Upper lip asymmetrically lobate, anterior margin setose. Lower lip inner lobes fused, bare; outer lobes with moderate gape, anterior margins setose. Maxilla 1 palp 1-articulate, margins constricted, with 3 distal slender setae; outer plate with 6 distal robust setae. Maxilla 2 inner plate with 3 slender distal, 3 marginal, and 1 facial seta; outer plate with 4 distal slender setae and 4 marginal slender setae. Maxilliped inner plates distal margin with v-shaped indentation, with short simple robust setae; outer plate inner margin smooth, reaching 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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palp article 1, facial setae absent; palp article 4 subequal in length with article 3, distally acute.
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</paragraph>
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<paragraph lastPageId="23" lastPageNumber="34" pageId="22" pageNumber="33">
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Pereon. Coxae 1-4 relative widths 1.0: 1.1: 1.1: 1.2. Gnathopod 1 coxa smooth, with tiny marginal setae, anterodistal margin produced, rounded, distal margin rounded, posterior margin slightly excavate, facial setae absent; basis distally expanded, anterior margin with 1 medium seta, posterior margin bare; ischium bare; carpus curved, distal length 7.4
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<normalizedToken originalValue="×">x</normalizedToken>
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width, proximal margin smooth, distal margin with 1 seta; propodus curved, palm smooth with 12 distal setae; dactylus smooth, reaching 0.2
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Gnathopod 2 coxa longer than broad, slightly larger than coxa 3, smooth, with tiny marginal setae; anterior margin rounded, anterodistally rounded, distal margin rounded, posterior margin straight, facial setae absent; basis distally expanded, anterior margin with 7 long setae, posterior margin bare; ischium with 3 posterodistal setae; carpus 0.2
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, curved, distally truncate, spoon-like, anterior margin smooth; propodus with 1 mediofacial setal row above midline, reaching 0.6
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, with 1 row of submarginal setae, posterior margin smooth, palm convex, with 3 small tubercles; dactylus curved, proximal margin smooth, bare, anterior margin distally acute, reaching 0.5
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Pereopod 3 coxa length 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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width, anterodistal corner overriding distal face of coxa 2, not extending
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<pageBreakToken pageId="23" pageNumber="34" start="start">below</pageBreakToken>
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it, smooth, with tiny marginal setae, anterior margin rounded, distal and posterior margins straight, facial setae absent. Pereopod 4 coxa smooth, with tiny marginal setae, anterior and distal margins rounded, posterior margin tapered, facial setae absent. Pereopods 5-6 coxae facial setae present, pereopod 7 coxa facial setae absent. Pereopods 5-7 bases width length ratios 1: 1.5, 1: 1.5, 1: 1.6, posterior margins smooth, setose.
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</paragraph>
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<paragraph pageId="23" pageNumber="34">
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Pleon. Epimera 1-2 with ventral setae, epimeron 3 bare, posteroventral corner subquadrate, produced. Uropods 1-2 relative lengths 1.0: 0.9. Uropod 1 peduncle 1.0
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length, outer ramus 0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; inner and outer rami each with 2 robust setae. Uropod 2 peduncle 1.1
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length, outer ramus 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; inner ramus with 3 robust setae, outer ramus with 2 robust setae. Uropods 1-2 inner and outer rami with robust setae. Uropod 3 missing. Telson 1.8
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, apex tridentate.
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</paragraph>
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<caption pageId="23" pageNumber="34">
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<paragraph pageId="23" pageNumber="34">
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Figure 11.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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sp. n., holotype male, 2.2 mm, RUMF-ZC-1865; paratype female, 2.6 mm, RUMF-ZC-1866.
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</paragraph>
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</caption>
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<caption pageId="23" pageNumber="34">
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<paragraph pageId="23" pageNumber="34">
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Figure 12.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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sp. n., holotype male, 2.2 mm, RUMF-ZC-1865; paratype female, 2.6 mm, RUMF-ZC-1866.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="female (sexually dimorphic characters)">
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<paragraph pageId="23" pageNumber="34">Female (sexually dimorphic characters).</paragraph>
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<paragraph pageId="23" pageNumber="34">
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Gnathopod 1 basis distally expanded, anterior margin with 4 short setae; carpus distal margin bare; propodus palm with 13 distal setae. Gnathopod 2 basis anterior margin with 6 long setae, posterior margin with 1 posterodistal seta; ischium with 2 distal and 4 posterodistal setae; carpus distally tapered. Uropod 3 peduncle 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length, outer ramus subequal in length with inner ramus; inner ramus with 4 robust setae, outer ramus with 3 robust setae.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="etymology">
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<paragraph pageId="23" pageNumber="34">Etymology.</paragraph>
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<paragraph pageId="23" pageNumber="34">
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After the Japanese word
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<normalizedToken originalValue="‘kebukai’">'kebukai'</normalizedToken>
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, meaning
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<normalizedToken originalValue="‘hairy’">'hairy'</normalizedToken>
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and referring to the long setae on gnathopod 2 basis anterior margin (pronounced kay-boo-kigh).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="ecology">
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<paragraph pageId="23" pageNumber="34">Ecology.</paragraph>
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<paragraph pageId="23" pageNumber="34">Host unknown, presumably in sponges in coral rubble.</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="relationships">
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<paragraph pageId="23" pageNumber="34">Relationships.</paragraph>
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<paragraph pageId="23" pageNumber="34">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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sp. n. shares a distinctly curved and inflated gnathopod 1 propodus and a short gnathopod 1 dactylus with
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe alata" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="alata">Leucothoe alata</taxonomicName>
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Barnard, 1959,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nagatai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="nagatai">Leucothoe nagatai</taxonomicName>
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Ishimaru, 1985,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe obuchii" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="obuchii">Leucothoe obuchii</taxonomicName>
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White & Reimer, 2012a, and
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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sp. n. differs from all of these species in the following: maxilla 1 palp with an unclear articulation; gnathopod 2 basis anterior margin with seven long setae, ischium with posterodistal setae, propodus slender, and dactylus short.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="remarks">
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<paragraph pageId="23" pageNumber="34">Remarks.</paragraph>
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<paragraph pageId="23" pageNumber="34">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe kebukai" order="Amphipoda" pageId="23" pageNumber="34" phylum="Arthropoda" rank="species" species="kebukai">Leucothoe kebukai</taxonomicName>
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sp. n. is translucent yellow in color with faint pink stripes along pereonite edges (Figure 15E). This species is endemic to the central and northern Ryukyu Islands.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="34" type="distribution">
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<paragraph pageId="23" pageNumber="34">Distribution.</paragraph>
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<paragraph pageId="23" pageNumber="34">
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East China Sea:
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island (Okinawa), Tokunoshima Island, Yakushima Island (both Kagoshima), Japan.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |