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<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. &amp; Reimer, James Davis" docDate="2012" docId="8645FF58BBBB7B48A67917458C985EDC" docLanguage="en" docName="ZooKeys 166: 1-58" docOrigin="ZooKeys 166" docSource="http://dx.doi.org/10.3897/zookeys.166.2313" docTitle="Leucothoe nurunuru White &amp; Reimer, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="22" masterDocId="D95AFFA0FFAB5A6B44536464373AFFAC" masterDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part II: sponge-dwellers" masterLastPageNumber="58" masterPageNumber="1" pageNumber="19" updateTime="1668153192096" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part II: sponge-dwellers</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>White, Kristine N.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Reimer, James Davis</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2012</mods:date>
<mods:detail type="volume">
<mods:number>166</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>58</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.166.2313</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.166.2313</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-166-1</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152033126" LSID="urn:lsid:zoobank.org:act:02C845F0-D0F4-4E56-AED4-0970D1310F53" httpUri="http://treatment.plazi.org/id/8645FF58BBBB7B48A67917458C985EDC" lastPageId="21" lastPageNumber="22" pageId="18" pageNumber="19">
<subSubSection pageId="18" pageNumber="19" type="nomenclature">
<paragraph pageId="18" pageNumber="19">
<taxonomicName LSID="urn:lsid:zoobank.org:act:02C845F0-D0F4-4E56-AED4-0970D1310F53" class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="18" pageNumber="19" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
<taxonomicNameLabel pageId="18" pageNumber="19">sp. n.</taxonomicNameLabel>
Figures 1314
</paragraph>
</subSubSection>
<subSubSection pageId="18" pageNumber="19" type="type material">
<paragraph pageId="18" pageNumber="19">Type material.</paragraph>
<paragraph pageId="18" pageNumber="19">
Holotype male, 5.8 mm RUMF-ZC-1771, Channel between
<normalizedToken originalValue="Iriomotejima">Iriomote-jima</normalizedToken>
Island and
<normalizedToken originalValue="Hatomajima">Hatoma-jima</normalizedToken>
Island, Okinawa, patch reef (
<geoCoordinate direction="north" orientation="latitude" precision="15" value="24.442778">24°26'34&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="123.82166">123°49'18&quot;E</geoCoordinate>
), in canals of slimy black-purple sponge,
<taxonomicName family="Iotrochotidae" lsidName="" pageId="18" pageNumber="19" rank="family">Iotrochotidae</taxonomicName>
of
<bibRefCitation pageId="18" pageNumber="19">Dendy 1922</bibRefCitation>
(probably
<taxonomicName class="Demospongiae" family="Iotrochotidae" genus="Iotrochota" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Iotrochota" order="Poecilosclerida" pageId="18" pageNumber="19" phylum="Porifera" rank="genus">Iotrochota</taxonomicName>
of
<bibRefCitation pageId="18" pageNumber="19">Ridley 1884</bibRefCitation>
), 10 m, K.N. White and N.S. White, col., 22 April 2011 (KNWIriomote2F). Paratype female, 6.5 mm RUMF-ZC-1772, same station data as holotype.
</paragraph>
</subSubSection>
<subSubSection pageId="18" pageNumber="19" type="type locality">
<paragraph pageId="18" pageNumber="19">Type locality.</paragraph>
<paragraph pageId="18" pageNumber="19">
Iriomote Channel between
<normalizedToken originalValue="Iriomotejima">Iriomote-jima</normalizedToken>
and
<normalizedToken originalValue="Hatomajima">Hatoma-jima</normalizedToken>
Islands (
<geoCoordinate direction="north" orientation="latitude" precision="15" value="24.442778">24°26'34&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="123.82166">123°49'18&quot;E</geoCoordinate>
).
</paragraph>
</subSubSection>
<subSubSection pageId="18" pageNumber="19" type="additional material examined">
<paragraph pageId="18" pageNumber="19">Additional material examined.</paragraph>
<paragraph pageId="18" pageNumber="19">4 specimens, RUMF-ZC-1773, KNWIriomote2F; 4 specimens, NSMT-Cr 21897, KNWIriomote2F.</paragraph>
</subSubSection>
<subSubSection pageId="19" pageNumber="20" type="diagnosis (male)">
<paragraph pageId="19" pageNumber="20">
<pageBreakToken pageId="19" pageNumber="20" start="start">Diagnosis</pageBreakToken>
(male).
</paragraph>
<paragraph pageId="19" pageNumber="20">Antenna 1 accessory flagellum 1-articulate. Maxilla 1 palp 1-articulate, margins constricted. Maxilliped outer plate with setulate-serrate marginal setae. Gnathopod 1 coxa with 2 mediofacial setae; propodus palm with square-shaped denticles. Gnathopod 2 carpus distally truncate; propodus with long submarginal setae. Pereopod 5 coxa with 2 facial setae. Telson apex with strongly rounded point. Female gnathopod 1 basis anterior margin with 16 short setae, posterior margin with 14 short setae; gnathopod 2 basis anterior margin with 14 short and 2 long curved setae.</paragraph>
</subSubSection>
<subSubSection lastPageId="21" lastPageNumber="22" pageId="19" pageNumber="20" type="description">
<paragraph pageId="19" pageNumber="20">Description (male).</paragraph>
<paragraph pageId="19" pageNumber="20">
Head, anterior margin rounded, anterodistal margin evenly rounded; ventral cephalic keel anterior margin excavate, anteroventral margin subquadrate, ventral margin oblique; eyes with more than 10 ommatidia, round. Antenna 1 0.3
<normalizedToken originalValue="×">x</normalizedToken>
body length, flagellum 11-articulate, peduncle article 1 width less than 2
<normalizedToken originalValue="×">x</normalizedToken>
article 2, accessory flagellum 1-articulate. Antenna 2 0.3
<normalizedToken originalValue="×">x</normalizedToken>
body length, subequal in length with antenna 1, flagellum 7-articulate. Mandibular palp ratio of articles 1-3 1.0: 2.6: 1.1, article 2 with 6-8 long distal setae, article 3 with 2 distal setae, incisors strongly dentate; left mandible with 12 raker spines, lacinia mobilis large, strongly toothed; right mandible with 13 raker spines, lacinia mobilis small, strongly dentate. Upper lip asymmetrically lobate, anterior margin setose. Lower lip inner lobes fused, setose; outer lobes with moderate gape, anterior margins setose. Maxilla 1 palp 1-articulate, margins constricted and with 3 distal setae; outer plate with 7 distal robust setae. Maxilla 2 inner plate with 6 robust distal setae and several slender facial setae; outer plate with 4 robust distal setae and 5 slender distal setae. Maxilliped inner plates distal margin with a v-shaped indentation, with short robust setae; outer plate inner margin smooth, reaching 0.2
<normalizedToken originalValue="×">x</normalizedToken>
palp article 1, with simple and setulate-serrate marginal setae, facial setae absent; palp article 4 subequal in length with article 3, distally acute.
</paragraph>
<paragraph lastPageId="21" lastPageNumber="22" pageId="19" pageNumber="20">
Pereon. Coxae 1-4 relative widths 1.0: 1.0: 0.8: 1.4. Gnathopod 1 coxa smooth, with tiny marginal setae, anterodistal margin produced, subquadrate, distal margin straight, posterior margin excavate, 2 mediofacial setae present; basis proximally widened, anterior margin with 7 short setae, posterior margin with 6 short setae; ischium bare; carpus linear, distal length 13.1
<normalizedToken originalValue="×">x</normalizedToken>
width, proximal margin smooth, distal margin bare; propodus straight, palm with square-shaped denticles with 6 large and 20 small proximal setae; dactylus smooth, with 2 distal setae, reaching 0.5
<normalizedToken originalValue="×">x</normalizedToken>
propodus length. Gnathopod 2 coxa as long as broad, subequal in size with coxa 3, smooth, with tiny marginal setae, anterior margin expanded anteriorly, anterodistally rounded, distal and posterior margins rounded, facial setae absent; basis slightly posteriorly expanded, anterior margin with 7 short and 2 long curved setae, posterior margin with 1 posterodistal seta, distal margin with 2 setae; ischium with 3 short posterior, 2 long distal, and 5 short posterodistal setae; carpus 0.4
<normalizedToken originalValue="×">x</normalizedToken>
propodus length, curved, distally truncate, anterior margin smooth; propodus with 1 mediofacial setal row displaced to midline, reaching 0.8
<normalizedToken originalValue="×">x</normalizedToken>
propodus length, with 1 row of short and long submarginal setae, posterior margin smooth, palmar corner pronounced, palm convex with small tubercles; dactylus curved, proximal margin smooth with 2 setae, anterior margin distally acute, reaching 0.6
<normalizedToken originalValue="×">x</normalizedToken>
propodus length. Pereopod 3 coxa length 1.4
<normalizedToken originalValue="×">x</normalizedToken>
width, anterodistal corner overriding distal face of coxa 2 and extending below it, smooth, with
<pageBreakToken pageId="20" pageNumber="21" start="start">tiny</pageBreakToken>
marginal setae, anterior margin expanded, distal margin slightly convex, posterior margin tapered, facial setae absent. Pereopod 4 coxa smooth, with tiny marginal setae, anterior margin produced, distal margin evenly rounded, posterior margin excavate,
<pageBreakToken pageId="21" pageNumber="22" start="start">facial</pageBreakToken>
setae absent. Pereopod 5 coxa with 2 facial setae. Pereopods 6-7 coxae facial setae absent. Pereopods 5-7 bases width length ratios 1: 1.2, 1: 1.2, 1: 1.0, posterior margins smooth, setose.
</paragraph>
<paragraph pageId="21" pageNumber="22">
Pleon. Epimera 1-2 with ventral setae, epimeron 3 bare; epimeron 3 posteroventral corner subquadrate. Uropods 1-3 relative lengths 1.0: 0.7: 1.0. Uropod 1 peduncle 0.8
<normalizedToken originalValue="×">x</normalizedToken>
inner ramus length, outer ramus 0.9
<normalizedToken originalValue="×">x</normalizedToken>
inner ramus length; inner ramus with 4 robust setae and outer ramus with 6 robust setae. Uropod 2 peduncle subequal in length with inner ramus, outer ramus 0.8
<normalizedToken originalValue="×">x</normalizedToken>
inner ramus length; inner ramus with 5 robust setae and outer ramus with 3 robust setae. Uropod 3 peduncle 1.2
<normalizedToken originalValue="×">x</normalizedToken>
inner ramus length, outer ramus 0.8
<normalizedToken originalValue="×">x</normalizedToken>
inner ramus length; inner and outer rami lined with short marginal setae; inner ramus with 4 robust setae and outer ramus with 5 robust setae. Telson 2.3
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide, apex with strongly rounded point.
</paragraph>
<paragraph pageId="21" pageNumber="22">Female (sexually dimorphic characters).</paragraph>
<paragraph pageId="21" pageNumber="22">Gnathopod 1 basis anterior margin with 16 short setae, posterior margin with 14 short setae; ischium with 3 short posterior setae. Gnathopod 2 basis anterior margin with 14 short and 2 long curved setae; ischium with 3 distal and 6 posterodistal setae; carpus slightly less truncate than in the male.</paragraph>
<caption pageId="21" pageNumber="22">
<paragraph pageId="21" pageNumber="22">
Figure 13.
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n., holotype male, 5.8 mm, RUMF-ZC-1771.
</paragraph>
</caption>
<caption pageId="21" pageNumber="22">
<paragraph pageId="21" pageNumber="22">
Figure 14.
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n., holotype male, 5.8 mm, RUMF-ZC-1771; paratype female, 6.5 mm, RUMF-ZC-1772.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="21" pageNumber="22" type="etymology">
<paragraph pageId="21" pageNumber="22">Etymology.</paragraph>
<paragraph pageId="21" pageNumber="22">
After the Japanese word
<normalizedToken originalValue="nurunuru">'nurunuru'</normalizedToken>
, meaning
<normalizedToken originalValue="slimy">'slimy'</normalizedToken>
and referring to the host sponge. (Pronounced new-rue-new-rue)
</paragraph>
</subSubSection>
<subSubSection pageId="21" pageNumber="22" type="ecology">
<paragraph pageId="21" pageNumber="22">Ecology.</paragraph>
<paragraph pageId="21" pageNumber="22">
In canals of
<taxonomicName family="Iotrochotidae" lsidName="" pageId="21" pageNumber="22" rank="family">Iotrochotidae</taxonomicName>
(probably
<taxonomicName class="Demospongiae" family="Iotrochotidae" genus="Iotrochota" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Iotrochota" order="Poecilosclerida" pageId="21" pageNumber="22" phylum="Porifera" rank="genus">Iotrochota</taxonomicName>
sp.), RUMF-ZP-7, KNWIriomote2G (Figure 25A).
</paragraph>
</subSubSection>
<subSubSection pageId="21" pageNumber="22" type="relationships">
<paragraph pageId="21" pageNumber="22">Relationships.</paragraph>
<paragraph pageId="21" pageNumber="22">
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n.is similar to
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe commensalis" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="commensalis">Leucothoe commensalis</taxonomicName>
(Haswell, 1879),
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe procera" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="procera">Leucothoe procera</taxonomicName>
(Bate, 1857),
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe makromattos" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="makromattos">Leucothoe makromattos</taxonomicName>
White &amp; Thomas, 2009,
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe daisukei" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="daisukei">Leucothoe daisukei</taxonomicName>
sp. n., and
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe akaoni" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="akaoni">Leucothoe akaoni</taxonomicName>
sp. n. in having a round anterior head margin and long gnathopod 1 dactylus. The pointed apex of the telson is similar to
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe commensalis" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="commensalis">Leucothoe commensalis</taxonomicName>
and
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe procera" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="procera">Leucothoe procera</taxonomicName>
, although the point is much stronger in
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n.
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n. differs from these two species in having maxilla 1 palp 1-articulate, margins constricted, wider pereopod 5-7 bases, and epimeron 3 posteroventral corner subquadrate.
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n. also shares wide pereopod 5-7 bases and a setose posterior margin of gnathopod 1 basis with
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe makromattos" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="makromattos">Leucothoe makromattos</taxonomicName>
,
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe daisukei" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="daisukei">Leucothoe daisukei</taxonomicName>
sp. n., and
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe akaoni" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="akaoni">Leucothoe akaoni</taxonomicName>
sp. n., but differs in having maxilla 1 palp 1-articulate, margins constricted and square-shaped denticles on gnathopod 1 propodus palm.
</paragraph>
</subSubSection>
<subSubSection pageId="21" pageNumber="22" type="remarks">
<paragraph pageId="21" pageNumber="22">Remarks.</paragraph>
<paragraph pageId="21" pageNumber="22">
<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe nurunuru" order="Amphipoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="nurunuru">Leucothoe nurunuru</taxonomicName>
sp. n. is deep orange in color (Figure 23D). This species is endemic to
<normalizedToken originalValue="Iriomotejima">Iriomote-jima</normalizedToken>
Island.
</paragraph>
</subSubSection>
<subSubSection pageId="21" pageNumber="22" type="distribution">
<paragraph pageId="21" pageNumber="22">Distribution.</paragraph>
<paragraph pageId="21" pageNumber="22">
East China Sea:
<normalizedToken originalValue="Iriomotejima">Iriomote-jima</normalizedToken>
Island, Okinawa, Japan.
</paragraph>
</subSubSection>
</treatment>
</document>