215 lines
17 KiB
XML
215 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.166.2313" ID-GBIF-Dataset="9771bfcf-4c41-4034-9b13-12b5db29d5c8" ID-PMC="PMC3272635" ID-Pensoft-Pub="1313-2970-166-1" ID-PubMed="22328858" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-166-1" ModsDocOrigin="ZooKeys 166" ModsDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part II: sponge-dwellers" checkinTime="1451249369520" checkinUser="pensoft" docAuthor="White, Kristine N. & Reimer, James Davis" docDate="2012" docId="C706F5C53342085FB3A2E6F9204D91ED" docLanguage="en" docName="ZooKeys 166: 1-58" docOrigin="ZooKeys 166" docSource="http://dx.doi.org/10.3897/zookeys.166.2313" docTitle="Leucothoe ouraensis White & Reimer, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="26" masterDocId="D95AFFA0FFAB5A6B44536464373AFFAC" masterDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part II: sponge-dwellers" masterLastPageNumber="58" masterPageNumber="1" pageNumber="22" updateTime="1668153192096" 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 II: sponge-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>166</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>58</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.166.2313</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.166.2313</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-166-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152033122" LSID="urn:lsid:zoobank.org:act:6A8C5B7D-3111-4AEE-AEFB-0F3A26FE01A4" httpUri="http://treatment.plazi.org/id/C706F5C53342085FB3A2E6F9204D91ED" lastPageId="25" lastPageNumber="26" pageId="21" pageNumber="22">
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<subSubSection pageId="21" pageNumber="22" type="nomenclature">
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<paragraph pageId="21" pageNumber="22">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:6A8C5B7D-3111-4AEE-AEFB-0F3A26FE01A4" class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ouraensis" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="ouraensis">Leucothoe ouraensis</taxonomicName>
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<taxonomicNameLabel pageId="21" pageNumber="22">sp. n.</taxonomicNameLabel>
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Figures 1516
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="type material">
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<paragraph pageId="21" pageNumber="22">Type material.</paragraph>
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<paragraph lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
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Holotype male, 3.3 mm RUMF-ZC-1774,
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<normalizedToken originalValue="Kita–nakase">Kita-nakase</normalizedToken>
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,
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<normalizedToken originalValue="Oura–wan">Oura-wan</normalizedToken>
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Bay,
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, patch reef (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.544443">26°32'40"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="128.06">128°03'36"E</geoCoordinate>
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), among
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<pageBreakToken pageId="22" pageNumber="23" start="start">coral</pageBreakToken>
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rubble, 30 m, K.N. White and N.S. White, col., 3 March 2011 (KNWOkinawa35F). Paratype female, 3.0 mm RUMF-ZC-1775,
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<normalizedToken originalValue="Tettou–mae–oki">Tettou-mae-oki</normalizedToken>
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,
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<normalizedToken originalValue="Oura–wan">Oura-wan</normalizedToken>
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Bay,
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, patch reef (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.545277">26°32'43"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="128.04889">128°02'56"E</geoCoordinate>
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), among coral rubble, 28 m, K.N. White, col., 4 April 2011 (KNWOkinawa37G).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="type locality">
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<paragraph pageId="23" pageNumber="24">
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<pageBreakToken pageId="23" pageNumber="24" start="start">Type</pageBreakToken>
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locality.
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</paragraph>
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<paragraph pageId="23" pageNumber="24">
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<normalizedToken originalValue="Oura–wan">Oura-wan</normalizedToken>
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Bay,
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, Japan (26°32'40-43"N, 128°02'56"-03'36"E).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="additional material examined">
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<paragraph pageId="23" pageNumber="24">Additional material examined.</paragraph>
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<paragraph pageId="23" pageNumber="24">1 specimen, RUMF-ZC-1776, KNWOkinawa39H; 1 specimen, NSMT-Cr 21898, KNWOkinawa39L; 1 specimen, RUMF-ZC-1777, KNWOkinawa37C; 2 specimens, NSMT-Cr 21899, KNWOkinawa37N.</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="diagnosis (male)">
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<paragraph pageId="23" pageNumber="24">Diagnosis (male).</paragraph>
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<paragraph pageId="23" pageNumber="24">
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Head anterior margin truncate, anterodistal margin quadrate. Ventral cephalic keel anteroventral margin with anteriorly projecting cusp. Right mandible lacinia mobilis cleft. Upper lip distal margin with row of short setae. Maxilla 1 palp 1-articulate, proximal margin serrate. Maxilliped outer plate tuberculate. Gnathopod 1 basis posterior margin with 6 short setae; propodus palm serrate; dactylus reaching 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Gnathopod 2 carpus distally truncate; propodus with 2 mediofacial setal rows. Uropod 3 peduncle 1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length. Telson apex bidentate.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="25" lastPageNumber="26" pageId="23" pageNumber="24" type="description">
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<paragraph pageId="23" pageNumber="24">Description (male).</paragraph>
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<paragraph pageId="23" pageNumber="24">
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Head. Anterior margin truncate, anterodistal margin quadrate; ventral cephalic keel anterior margin oblique, anteroventral margin with anteriorly projecting cusp, ventral margin convex; eyes with more than 10 ommatidia, round. Antenna 1 0.3
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<normalizedToken originalValue="×">x</normalizedToken>
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body length, flagellum 8-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, subequal in length with antenna 1, flagellum 5-articulate. Mandibular palp ratio of articles 1-3 1.0: 2.4: 1.6, article 2 with 3 medium distal setae, article 3 with 2 distal setae, incisors weakly dentate; left mandible with 9 raker spines, lacinia mobilis large, strongly toothed; right mandible with 7 raker spines, lacinia mobilis small, strongly dentate, cleft. Upper lip asymmetrically lobate, anterior margin setose, distal margin with row of short setae. Lower lip inner lobes fused, setose; outer lobes with moderate gape, anterior margins setose. Maxilla 1 palp 1-articulate with 4 distal setae, proximal margin serrate; outer plate with 4 distal robust setae and 4 distal setae. Maxilla 2 inner plate with 3 robust distal setae and 4 slender marginal setae; outer plate with 2 robust and 2 slender distal setae and 6 slender distal marginal setae. Maxilliped inner plates distal margin with a v-shaped indentation, with short robust setae; outer plate inner margin tuberculate, reaching 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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palp article 1, with simple marginal setae, facial setae present; palp article 4 subequal in length with article 3, distally acute.
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</paragraph>
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<paragraph lastPageId="25" lastPageNumber="26" pageId="23" pageNumber="24">
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Pereon. Coxae 1-4 relative widths 1.0: 1.2: 0.9: 1.7. Gnathopod 1 coxa smooth, with tiny marginal setae, anterior margin produced, rounded, distal margin straight, posterior margin excavate, facial setae absent; basis distally expanded, anterior margin bare, posterior margin with 6 short setae; ischium bare; carpus linear, distal length 13.6
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<normalizedToken originalValue="×">x</normalizedToken>
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width, proximal margin smooth, distal margin bare; propodus straight, palm serrate with 9 distal setae; dactylus smooth, reaching 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Gnathopod 2 coxa as long as broad, subequal in size with coxa 3, smooth, with tiny marginal setae, anterior margin straight, anterodistally rounded, distal margin evenly rounded, posterior margin straight, facial setae absent; basis distally expanded, anterior margin with 9 setae, posterior margin with 4 setae; ischium with 1 posterodistal seta; carpus 0.4
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, curved, distally truncate, anterior margin dentate; propodus with 2 mediofacial setal rows, primary mediofacial setal row above midline, reaching 0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, secondary mediofacial setal row with 2 setae, with 1 row of submarginal
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<pageBreakToken pageId="24" pageNumber="25" start="start">setae</pageBreakToken>
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, posterior margin smooth, palm convex, dentate; dactylus curved, proximal margin smooth with 1 seta, anterior margin distally acute, reaching 0.6
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Pereopod 3 coxa length 1.4
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<normalizedToken originalValue="×">x</normalizedToken>
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width, anterodistal corner overriding distal face
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<pageBreakToken pageId="25" pageNumber="26" start="start">of</pageBreakToken>
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coxa 2 and extending below it, smooth, with tiny marginal setae, anterior margin straight, distal margin slightly convex, posterior margin straight, facial setae absent. Pereopod 4 coxa smooth, with tiny marginal setae, anterior margin produced, distal margin evenly rounded, posterior margin tapered, facial setae absent. Pereopods 5-7 coxae facial setae absent. Pereopods 5-7 bases width length ratios 1: 1.4, 1: 1.2, 1: 1.1; posterior margins smooth, setose.
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</paragraph>
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<paragraph pageId="25" pageNumber="26">
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Pleon. Epimera 1-2 with ventral setae, epimeron 3 bare; epimeron 3 posteroventral corner rounded. Uropods 1-3 relative lengths 1.0: 0.8: 1.1; outer rami lined with short marginal setae. Uropod 1 peduncle and outer ramus subequal in length with inner ramus; inner ramus with 2 robust setae; outer ramus without robust setae. Uropod 2 peduncle length 0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus, outer ramus length 0.6
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus; inner ramus with 4 robust setae; outer ramus with 3 robust setae. Uropod 3 peduncle length 1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus, outer ramus subequal in length with inner ramus; inner and outer rami lined with short marginal setae, each with 4 robust setae. Telson 2.7
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, apex bidentate.
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</paragraph>
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<paragraph pageId="25" pageNumber="26">Female (sexually dimorphic characters).</paragraph>
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<paragraph pageId="25" pageNumber="26">Gnathopod 2 ischium with posterior and posterodistal setae; carpus distally tapered, anterior margin smooth; propodus secondary mediofacial setal row with 4 setae.</paragraph>
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<caption pageId="25" pageNumber="26">
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<paragraph pageId="25" pageNumber="26">
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Figure 15.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ouraensis" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ouraensis">Leucothoe ouraensis</taxonomicName>
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sp. n., holotype male, 3.3 mm, RUMF-ZC-1774.
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</paragraph>
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</caption>
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<caption pageId="25" pageNumber="26">
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<paragraph pageId="25" pageNumber="26">
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Figure 16.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ouraensis" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ouraensis">Leucothoe ouraensis</taxonomicName>
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sp. n., holotype male, 3.3 mm, RUMF-ZC-1774; paratype female, 3.0 mm, RUMF-ZC-1775.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="25" pageNumber="26" type="etymology">
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<paragraph pageId="25" pageNumber="26">Etymology.</paragraph>
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<paragraph pageId="25" pageNumber="26">
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After the Japanese place name
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<normalizedToken originalValue="‘Oura’">'Oura'</normalizedToken>
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, meaning 'large
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<normalizedToken originalValue="inlet’">inlet'</normalizedToken>
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and referring to the type locality. (Pronounced oh-ooh-ra)
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</paragraph>
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<paragraph pageId="25" pageNumber="26">
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Ecology. In canals of brown-red chimney sponge,
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<taxonomicName class="Demospongiae" family="Mycalidae" genus="Mycale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mycale" order="Poecilosclerida" pageId="25" pageNumber="26" phylum="Porifera" rank="genus">Mycale</taxonomicName>
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of
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<bibRefCitation pageId="25" pageNumber="26">Gray 1867</bibRefCitation>
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, RUMF-ZP-8, KNWOkinawa37K (Figure 25B), brown-red holey sponge,
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<taxonomicName class="Demospongiae" family="Mycalidae" genus="Mycale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mycale (Zygomycale) parishii" order="Poecilosclerida" pageId="25" pageNumber="26" phylum="Porifera" rank="species" species="parishii" subGenus="Zygomycale">Mycale (Zygomycale) parishii</taxonomicName>
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(Bowerbank, 1875), RUMF-ZP-9, KNWOkinawa37N (Figure 25G), brown bivalve encrusting sponge,?
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<taxonomicName class="Demospongiae" family="Mycalidae" genus="Mycale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mycale" order="Poecilosclerida" pageId="25" pageNumber="26" phylum="Porifera" rank="genus">Mycale</taxonomicName>
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of Gray, 1867, RUMF-ZP-10, KNWOkinawa37M (Figure 25H); and among coral rubble.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="25" pageNumber="26" type="relationships">
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<paragraph pageId="25" pageNumber="26">Relationships.</paragraph>
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<paragraph pageId="25" pageNumber="26">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ouraensis" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ouraensis">Leucothoe ouraensis</taxonomicName>
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sp. n. is similar to
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ctenochasma" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ctenochasma">Leucothoe ctenochasma</taxonomicName>
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Moore, 1987 in having gnathopod 1 dactylus reaching less than 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length and a bidentate apex on the telson. This species differs from
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ctenochasma" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ctenochasma">Leucothoe ctenochasma</taxonomicName>
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in having a truncate anterior head margin, quadrate anterodistal head margin, 1-articulate maxilla 1 palp, setose posterior margin on gnathopod 1 basis, and pereopods 5-7 bases broadly expanded and posteriorly smooth.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="25" pageNumber="26" type="remarks">
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<paragraph pageId="25" pageNumber="26">Remarks.</paragraph>
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<paragraph pageId="25" pageNumber="26">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe ouraensis" order="Amphipoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="ouraensis">Leucothoe ouraensis</taxonomicName>
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sp. n. is yellow-orange in color (Figure 23E). This species is endemic to the eastern coast of
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="25" pageNumber="26" type="distribution">
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<paragraph pageId="25" pageNumber="26">Distribution.</paragraph>
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<paragraph pageId="25" pageNumber="26">
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East China Sea:
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<normalizedToken originalValue="Okinawa–jima">Okinawa-jima</normalizedToken>
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Island, Okinawa, Japan.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |