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<document id="F10AAD7DACF8E452F3C08A91AA88DA19" ID-DOI="10.5281/zenodo.181052" ID-GBIF-Dataset="03c88cd4-5df6-4d9e-b84c-4df6e81d33ee" ID-ISSN="1175-5326" ID-Zenodo-Dep="181052" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459826650106" checkinUser="plazi" docAuthor="Shimomura, Michitaka" docDate="2008" docId="BF7E878A3722FF9C33B434A82698A2E4" docLanguage="en" docName="zt01719p068.pdf" docOrigin="Zootaxa 1719" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Symmius yamaguchiensis Shimomura, 2008, sp. nov." docType="treatment" docVersion="7" lastPageNumber="67" masterDocId="4347FFF23720FF9A33233244250BA42E" masterDocTitle="A new species of Symmius Richardson (Crustacea: Isopoda: Chaetiliidae) from Japan" masterLastPageNumber="68" masterPageNumber="61" pageNumber="63" updateTime="1698222329110" updateUser="plazi">
<mods:mods id="ABBC0A405B1D4FF2CDC1C88AC3363F9D" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="37B3B862ECCCCE1244DFE4CF97CED0BB">
<mods:title id="B90C22704EFE30A1CC1594949CA32624">A new species of Symmius Richardson (Crustacea: Isopoda: Chaetiliidae) from Japan</mods:title>
</mods:titleInfo>
<mods:name id="6F0852D2752423D9CAA2C34496168C74" type="personal">
<mods:role id="5EEF720EFA1027A7922E25587BC143A8">
<mods:roleTerm id="F2EC7D39E8ABBE46DC1FB5C29CB9E788">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="829BBE8106EF8B3A079732E75C010C62">Shimomura, Michitaka</mods:namePart>
</mods:name>
<mods:typeOfResource id="DC7D39BF20BC9FFC46D09C53F366817B">text</mods:typeOfResource>
<mods:relatedItem id="F0A3AF841B85BE0547DBE6976A5F9906" type="host">
<mods:titleInfo id="AE2C111F0EF4E819A9ED970F55B54BA9">
<mods:title id="FE64407939F236EBBDC8BD7303F40BC3">Zootaxa</mods:title>
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<mods:part id="89B8BECA6EBD878AA4DECD7071FDA2FF">
<mods:date id="9BBE7D8E7BF5442EE04D2EB3C23F82F4">2008</mods:date>
<mods:detail id="0CF75D3E2BCC3A48C5C2F627F85387D4" type="volume">
<mods:number id="922C059CADC22B001DEB1F396A214A6A">1719</mods:number>
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<mods:extent id="326FABB4A29385756508C880AEBCC4EC" unit="page">
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<mods:classification id="CFEAC40DB307F8C8ECF30DEC17F7830F">journal article</mods:classification>
<mods:identifier id="A416E7C643094673BD2EDD12B765A307" type="DOI">10.5281/zenodo.181052</mods:identifier>
<mods:identifier id="206E9D2C6917BA36C839B3B9B1512BE9" type="GBIF-Dataset">03c88cd4-5df6-4d9e-b84c-4df6e81d33ee</mods:identifier>
<mods:identifier id="D3E613E42C99BBEC0DFF465EE63954A4" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="E7DF7BDDF5FA5FF9BF3BBA213BF63D7A" type="Zenodo-Dep">181052</mods:identifier>
</mods:mods>
<treatment id="BF7E878A3722FF9C33B434A82698A2E4" ID-DOI="http://doi.org/10.5281/zenodo.6234391" ID-GBIF-Taxon="119356911" ID-Zenodo-Dep="6234391" LSID="urn:lsid:plazi:treatment:BF7E878A3722FF9C33B434A82698A2E4" httpUri="http://treatment.plazi.org/id/BF7E878A3722FF9C33B434A82698A2E4" lastPageId="6" lastPageNumber="67" pageId="2" pageNumber="63">
<subSubSection id="7FCD65173722FF9833B434A825F7A307" pageId="2" pageNumber="63" type="nomenclature">
<paragraph id="3768369C3722FF9833B434A82738A328" blockId="2.[151,563,1772,1833]" box="[151,563,1772,1798]" pageId="2" pageNumber="63">
<heading id="6C2081F03722FF9833B434A82738A328" bold="true" box="[151,563,1772,1798]" fontSize="11" level="1" pageId="2" pageNumber="63" reason="1">
<emphasis id="05A3EA8E3722FF9833B434A82738A328" bold="true" box="[151,563,1772,1798]" pageId="2" pageNumber="63">
<taxonomicName id="F0D74D1F3722FF9833B434A824C4A328" ID-CoL="7B6SY" box="[151,463,1772,1798]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="63" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3722FF9833B434A824C4A328" bold="true" box="[151,463,1772,1798]" italics="true" pageId="2" pageNumber="63">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53722FF9832F534A82738A328" box="[470,563,1772,1798]" pageId="2" pageNumber="63" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="3768369C3722FF9833B4354B25F7A307" blockId="2.[151,563,1772,1833]" box="[151,252,1807,1833]" pageId="2" pageNumber="63">
<figureCitation id="AFEC2A193722FF9833B4354B25F7A307" box="[151,252,1807,1833]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStart-3="FIGURE 5" captionStartId-0="2.[151,255,1622,1646]" captionStartId-1="3.[151,255,1663,1687]" captionStartId-2="4.[151,255,1661,1685]" captionStartId-3="5.[151,255,1942,1966]" captionTargetBox-0="[278,1314,202,1597]" captionTargetBox-1="[279,1305,187,1622]" captionTargetBox-2="[280,1309,285,1622]" captionTargetBox-3="[271,1305,469,1907]" captionTargetId-0="figure@2.[264,1323,194,1610]" captionTargetId-1="figure@3.[264,1323,180,1632]" captionTargetId-2="figure@4.[264,1323,274,1637]" captionTargetId-3="figure@5.[264,1323,450,1918]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="FIGURE 2. Symmius yamaguchiensis sp. nov. A – D, holotype female (KMNH IvR 500,229): A, habitus, dorsal; B, habitus, lateral; C, left antenna 1, dorsal; D, left antenna 2, dorsal. Scales = 500 µm." captionText-1="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." captionText-2="FIGURE 4. Symmius yamaguchiensis sp. nov. A – C, holotype female (KMNH IvR 500,229): A, left pereopod 3, mesial; B, left pereopod 4, mesial; C, left pereopod 5, mesial. Scale = 500 µm." captionText-3="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri-0="https://zenodo.org/record/181054/files/figure.png" httpUri-1="https://zenodo.org/record/181055/files/figure.png" httpUri-2="https://zenodo.org/record/181056/files/figure.png" httpUri-3="https://zenodo.org/record/181057/files/figure.png" pageId="2" pageNumber="63">Figs 2–5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="7FCD65173722FF9833B4351A21BEA3DF" pageId="2" pageNumber="63" type="materials_examined">
<paragraph id="3768369C3722FF9833B4351A21BEA3DF" blockId="2.[151,1436,1886,2033]" pageId="2" pageNumber="63">
<emphasis id="05A3EA8E3722FF9833B4351A270DA356" bold="true" box="[151,518,1886,1912]" pageId="2" pageNumber="63">
Material examined.
<typeStatus id="E86C883E3722FF9832B7351A270DA356" box="[404,518,1886,1912]" pageId="2" pageNumber="63" type="holotype">Holotype</typeStatus>
</emphasis>
. Ovigorous female,
<quantity id="F02F9B793722FF9831DB351B267BA357" box="[760,880,1887,1913]" metricMagnitude="-2" metricUnit="m" metricValue="1.129" pageId="2" pageNumber="63" unit="mm" value="11.29">11.29 mm</quantity>
(
<collectionCode id="51C6AE593722FF98305C351B26D1A357" box="[895,986,1887,1913]" pageId="2" pageNumber="63">KMNH</collectionCode>
IvR 500,229), dissected and mounted on glass slides, St.11, off Yamaguchi Prefecture,
<geoCoordinate id="52E3505B3722FF9831CA35C3268EA38F" box="[745,901,1927,1953]" direction="north" orientation="latitude" pageId="2" pageNumber="63" precision="1" value="34.60438">34°36.263’N</geoCoordinate>
,
<geoCoordinate id="52E3505B3722FF9830B735C32133A38F" box="[916,1080,1927,1953]" direction="east" orientation="longitude" pageId="2" pageNumber="63" precision="1" value="130.54187">130°32.512’E</geoCoordinate>
–
<geoCoordinate id="52E3505B3722FF98376B35C321E9A38F" box="[1096,1250,1927,1953]" direction="north" orientation="latitude" pageId="2" pageNumber="63" precision="1" value="34.6022">34°36.132’N</geoCoordinate>
,
<geoCoordinate id="52E3505B3722FF9837D235C3209CA38F" box="[1265,1431,1927,1953]" direction="east" orientation="longitude" pageId="2" pageNumber="63" precision="1" value="130.54956">130°32.974’E</geoCoordinate>
,
<quantity id="F02F9B793722FF9833B435EB25ECA3E7" box="[151,231,1967,1993]" metricMagnitude="2" metricUnit="m" metricValue="1.26" pageId="2" pageNumber="63" unit="m" value="126.0">126 m</quantity>
, sand, sledge net, TRV
<emphasis id="05A3EA8E3722FF98312B35EB27B3A3E6" box="[520,696,1967,1992]" italics="true" pageId="2" pageNumber="63">Toyoshio-maru</emphasis>
,
<date id="4369105C3722FF9831E935EB2665A3E7" box="[714,878,1967,1993]" pageId="2" pageNumber="63" value="1918-11">18 November</date>
, 1999.
<typeStatus id="E86C883E3722FF9830EA35EA2130A3E6" box="[969,1083,1966,1992]" pageId="2" pageNumber="63" type="paratype">
<emphasis id="05A3EA8E3722FF9830EA35EA2130A3E6" bold="true" box="[969,1083,1966,1992]" pageId="2" pageNumber="63">Paratype</emphasis>
</typeStatus>
. Non-ovigorous female,
<quantity id="F02F9B793722FF98364A35EB25CEA3DF" metricMagnitude="-3" metricUnit="m" metricValue="8.29" pageId="2" pageNumber="63" unit="mm" value="8.29">8.29 mm</quantity>
(
<collectionCode id="51C6AE593722FF9833F735932424A3DF" box="[212,303,2007,2033]" pageId="2" pageNumber="63">KMNH</collectionCode>
IvR 500,230), dissected and mounted on glass slides, same data as
<typeStatus id="E86C883E3722FF983765359321BAA3DF" box="[1094,1201,2007,2033]" pageId="2" pageNumber="63" type="holotype">holotype</typeStatus>
.
</paragraph>
</subSubSection>
<caption id="63A866143723FF9933B4343B27D4A2F8" httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="3" pageNumber="64" targetBox="[279,1305,187,1622]" targetPageId="3">
<paragraph id="3768369C3723FF9933B4343B27D4A2F8" blockId="3.[151,1436,1663,1750]" pageId="3" pageNumber="64">
<emphasis id="05A3EA8E3723FF9933B4343B2411A2B9" bold="true" box="[151,282,1663,1687]" pageId="3" pageNumber="64">FIGURE 3.</emphasis>
<taxonomicName id="F0D74D1F3723FF993201343B2738A2B8" box="[290,563,1663,1686]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="3" pageNumber="64" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3723FF993201343B2738A2B8" box="[290,563,1663,1686]" italics="true" pageId="3" pageNumber="64">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53723FF993118343B2784A2B8" box="[571,655,1663,1686]" pageId="3" pageNumber="64" rank="species">sp. nov.</taxonomicNameLabel>
A–G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm.
</paragraph>
</caption>
<subSubSection id="7FCD65173723FF9C33E53560279BA0EC" lastPageId="6" lastPageNumber="67" pageId="3" pageNumber="64" type="description">
<paragraph id="3768369C3723FF9E33E535602763A4F4" blockId="3.[151,1436,1828,2014]" lastBlockId="4.[151,1437,152,218]" lastPageId="4" lastPageNumber="65" pageId="3" pageNumber="64">
<emphasis id="05A3EA8E3723FF9933E535602455A310" bold="true" box="[198,350,1828,1854]" pageId="3" pageNumber="64">Description.</emphasis>
<emphasis id="05A3EA8E3723FF993244356124A8A310" box="[359,419,1829,1854]" italics="true" pageId="3" pageNumber="64">Body</emphasis>
(
<figureCitation id="AFEC2A193723FF993296356024F6A310" box="[437,509,1828,1854]" captionStart="FIGURE 2" captionStartId="2.[151,255,1622,1646]" captionTargetBox="[278,1314,202,1597]" captionTargetId="figure@2.[264,1323,194,1610]" captionTargetPageId="2" captionText="FIGURE 2. Symmius yamaguchiensis sp. nov. A – D, holotype female (KMNH IvR 500,229): A, habitus, dorsal; B, habitus, lateral; C, left antenna 1, dorsal; D, left antenna 2, dorsal. Scales = 500 µm." httpUri="https://zenodo.org/record/181054/files/figure.png" pageId="3" pageNumber="64">Fig. 2</figureCitation>
A, B) 2.5 times as long as wide, dorsoventrally flattened. Integument smooth.
<emphasis id="05A3EA8E3723FF9933B4350925DCA348" box="[151,215,1869,1894]" italics="true" pageId="3" pageNumber="64">Head</emphasis>
(
<figureCitation id="AFEC2A193723FF9933C535082420A348" box="[230,299,1868,1894]" captionStart="FIGURE 2" captionStartId="2.[151,255,1622,1646]" captionTargetBox="[278,1314,202,1597]" captionTargetId="figure@2.[264,1323,194,1610]" captionTargetPageId="2" captionText="FIGURE 2. Symmius yamaguchiensis sp. nov. A – D, holotype female (KMNH IvR 500,229): A, habitus, dorsal; B, habitus, lateral; C, left antenna 1, dorsal; D, left antenna 2, dorsal. Scales = 500 µm." httpUri="https://zenodo.org/record/181054/files/figure.png" pageId="3" pageNumber="64">Fig. 2</figureCitation>
A) 0.46 times as long as wide, with nearly straight frontal margin, with well-defined ocular lobes having yellow rudimentary eye pigment dorsally: ocular lobes not projecting anteriorly. Pereonites each with mid-dorsal projections; pleonite 2 with small mid-dorsal projection. Coxal plates of pereonites 5 and 6 slightly curved posteriorly, with blunt apex. Pereonite 7 and pleonite 1 subequal in width. Pleon 0.45 of total length; pleonite 1 without mid-dorsal projection; pleonite 2 wider than pleonite 1; pleotelson about twice as long as wide, tapering to sharply rounded apex.
</paragraph>
<caption id="63A866143724FF9E33B434392682A299" httpUri="https://zenodo.org/record/181056/files/figure.png" pageId="4" pageNumber="65" targetBox="[280,1309,285,1622]" targetPageId="4">
<paragraph id="3768369C3724FF9E33B434392682A299" blockId="4.[151,1436,1661,1719]" pageId="4" pageNumber="65">
<emphasis id="05A3EA8E3724FF9E33B434392412A2BB" bold="true" box="[151,281,1661,1685]" pageId="4" pageNumber="65">FIGURE 4.</emphasis>
<taxonomicName id="F0D74D1F3724FF9E320334392724A2BA" box="[288,559,1661,1684]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="4" pageNumber="65" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3724FF9E320334392724A2BA" box="[288,559,1661,1684]" italics="true" pageId="4" pageNumber="65">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53724FF9E311534392782A2BA" box="[566,649,1661,1684]" pageId="4" pageNumber="65" rank="species">sp. nov.</taxonomicNameLabel>
A–C, holotype female (KMNH IvR 500,229): A, left pereopod 3, mesial; B, left pereopod 4, mesial; C, left pereopod 5, mesial. Scale = 500 µm.
</paragraph>
</caption>
<paragraph id="3768369C3724FF9E33E5354A27ADA3E9" blockId="4.[151,1436,1805,1991]" pageId="4" pageNumber="65">
<emphasis id="05A3EA8E3724FF9E33E5354A2436A309" box="[198,317,1806,1831]" italics="true" pageId="4" pageNumber="65">Antennule</emphasis>
(
<figureCitation id="AFEC2A193724FF9E326E3549249FA309" box="[333,404,1805,1831]" captionStart="FIGURE 2" captionStartId="2.[151,255,1622,1646]" captionTargetBox="[278,1314,202,1597]" captionTargetId="figure@2.[264,1323,194,1610]" captionTargetPageId="2" captionText="FIGURE 2. Symmius yamaguchiensis sp. nov. A – D, holotype female (KMNH IvR 500,229): A, habitus, dorsal; B, habitus, lateral; C, left antenna 1, dorsal; D, left antenna 2, dorsal. Scales = 500 µm." httpUri="https://zenodo.org/record/181054/files/figure.png" pageId="4" pageNumber="65">Fig. 2</figureCitation>
C): peduncular articles 1–3 with many fine setae marginally; article 2 about 1.2 times as long as article 1; article 3 trapezoidal, 0.76 times as long as article 2; flagellum consisting of 1 large and 2 minute articles; article 1 about 1.68 times as long as peduncular article 3, 6.5 times as long as wide, with many fine setae laterally, 1 simple seta and 2 aesthetascs distally; article 2 with 1 simple seta and 1 aesthetasc mesially; article 3 with 5 simple apical setae.
</paragraph>
<paragraph id="3768369C3725FF9F33E632DC21A3A4F4" blockId="5.[151,1437,152,418]" pageId="5" pageNumber="66">
<emphasis id="05A3EA8E3725FF9F33E632DC242CA49F" box="[197,295,152,177]" italics="true" pageId="5" pageNumber="66">Antenna</emphasis>
(
<figureCitation id="AFEC2A193725FF9F321432DC2476A49C" box="[311,381,152,178]" captionStart="FIGURE 2" captionStartId="2.[151,255,1622,1646]" captionTargetBox="[278,1314,202,1597]" captionTargetId="figure@2.[264,1323,194,1610]" captionTargetPageId="2" captionText="FIGURE 2. Symmius yamaguchiensis sp. nov. A – D, holotype female (KMNH IvR 500,229): A, habitus, dorsal; B, habitus, lateral; C, left antenna 1, dorsal; D, left antenna 2, dorsal. Scales = 500 µm." httpUri="https://zenodo.org/record/181054/files/figure.png" pageId="5" pageNumber="66">Fig. 2</figureCitation>
D) with many fine setae and some bifid, multibranched, plumose and simple setae: peduncular article 3 longest of all articles; flagellum 1.16 times as long as peduncular article 5.
</paragraph>
<paragraph id="3768369C3725FF9F33E632AC2622A57C" blockId="5.[151,1437,152,418]" pageId="5" pageNumber="66">
<emphasis id="05A3EA8E3725FF9F33E632AC2462A52F" box="[197,361,232,257]" italics="true" pageId="5" pageNumber="66">Left mandible</emphasis>
(
<figureCitation id="AFEC2A193725FF9F325832AC24C9A52C" box="[379,450,232,258]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="5" pageNumber="66">Fig. 3</figureCitation>
A): lacinia mobilis with 3 cusps; incisor with 4 cusps; spine row of 6 spines and 2 pectinate setae.
<emphasis id="05A3EA8E3725FF9F327633542701A507" box="[341,522,272,297]" italics="true" pageId="5" pageNumber="66">Right mandible</emphasis>
(
<figureCitation id="AFEC2A193725FF9F313E3354276FA504" box="[541,612,272,298]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="5" pageNumber="66">Fig. 3</figureCitation>
B): lacinia mobilis with many small teeth on anterior margin; incisor with 4 cusps; spine row of 9 spine and 2 pectinate setae.
</paragraph>
<paragraph id="3768369C3725FF9F33E6332427D3A58C" blockId="5.[151,1437,152,418]" pageId="5" pageNumber="66">
<emphasis id="05A3EA8E3725FF9F33E63324243EA557" box="[197,309,352,377]" italics="true" pageId="5" pageNumber="66">Maxillule</emphasis>
(
<figureCitation id="AFEC2A193725FF9F326533242486A554" box="[326,397,352,378]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="5" pageNumber="66">Fig. 3</figureCitation>
C): mesial lobe with 2 plumose apical setae; lateral lobe with 6 simple and 4 denticulate setae apically, and with many fine setae mesially.
</paragraph>
<caption id="63A866143725FF9F33B435D2210FA3DD" httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="5" pageNumber="66" targetBox="[271,1305,469,1907]" targetPageId="5">
<paragraph id="3768369C3725FF9F33B435D2210FA3DD" blockId="5.[151,1436,1942,2035]" pageId="5" pageNumber="66">
<emphasis id="05A3EA8E3725FF9F33B435D22411A380" bold="true" box="[151,282,1942,1966]" pageId="5" pageNumber="66">FIGURE 5.</emphasis>
<taxonomicName id="F0D74D1F3725FF9F320235D32739A380" box="[289,562,1943,1966]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="5" pageNumber="66" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3725FF9F320235D32739A380" box="[289,562,1943,1966]" italics="true" pageId="5" pageNumber="66">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53725FF9F311A35D22787A383" box="[569,652,1942,1965]" pageId="5" pageNumber="66" rank="species">sp. nov.</taxonomicNameLabel>
A–I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm.
</paragraph>
</caption>
<paragraph id="3768369C3726FF9C33E632DC26C6A4F4" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E632DC242BA49F" box="[197,288,152,177]" italics="true" pageId="6" pageNumber="67">Maxilla</emphasis>
(
<figureCitation id="AFEC2A193726FF9C321332DC247EA49C" box="[304,373,152,178]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
D): mesial lobe with 5 plumose apical setae and many fine mesial setae; middle lobe with 3 pectinate and 1 fine seta; lateral lobe with 2 pectinate and 3 fine setae.
</paragraph>
<paragraph id="3768369C3726FF9C33E632AC245CA554" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E632AC244FA52F" box="[197,324,232,257]" italics="true" pageId="6" pageNumber="67">Maxilliped</emphasis>
(
<figureCitation id="AFEC2A193726FF9C327632AC2493A52C" box="[341,408,232,258]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
E) covered with many fine setae ventrally: endite reaching halfway along palp article 2, with 6 plumose setae distally; palp article 1 with 1 bifid mesial seta; article 2 with 10 simple and 3 bifid setae; article 3 with 8 simple mesial and 2 simple lateral setae; article 4 with 7 simple apical setae; epipod about 0.73 length of endite.
</paragraph>
<paragraph id="3768369C3726FF9C33E633CC27AEA724" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E633CC2446A58F" box="[197,333,392,417]" italics="true" pageId="6" pageNumber="67">Pereopod 1</emphasis>
(
<figureCitation id="AFEC2A193726FF9C327E33CC24AAA58C" box="[349,417,392,418]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
F) with dense cover of fine setae: ischium 0.58 length of basis; merus 0.45 of ischium, with 2 slender, simple dorsal setae, and 5 slender, simple and 1 robust, plumose ventral setae; carpus with 4 slender, simple mesial and 5 robust, plumose ventral setae; propodus as long as ischium, merus and carpus combined, with 2 slender, bifid, 6 slener, simple and 1 robust, plumose setae dorsally, and with 5 slender, simple and 11 robust, plumose setae ventrally; dactylus with 3 slender, simple distal, 2 subdistal and 4 ventral setae.
<emphasis id="05A3EA8E3726FF9C33C330142484A647" box="[224,399,592,617]" italics="true" pageId="6" pageNumber="67">Pereopods 2–7</emphasis>
(
<figureCitation id="AFEC2A193726FF9C32BC301424E5A644" box="[415,494,592,618]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="6" pageNumber="67">Figs. 3</figureCitation>
G, 4A–C, 5A, B) with dense cover of fine setae: ischia and meri of pereopods 2– 7 with 4–7 long, robust plumose setae dorsally; propodi of pereopods 2–4 broader than those of pereopods 5 and 6. Pereopod 2 (
<figureCitation id="AFEC2A193726FF9C325D30E424CFA694" box="[382,452,672,698]" captionStart="FIGURE 3" captionStartId="3.[151,255,1663,1687]" captionTargetBox="[279,1305,187,1622]" captionTargetId="figure@3.[264,1323,180,1632]" captionTargetPageId="3" captionText="FIGURE 3. Symmius yamaguchiensis sp. nov. A – G, holotype female (KMNH IvR 500,229): A, left mandible, ventral; B, right mandible, dorsal; C, left maxilla 1, ventral; D, left maxilla 2, dorsal; E, left maxilliped, ventral; F, left pereopod 1, mesial; G, left pereopod 2, mesial. Scales = 500 µm." httpUri="https://zenodo.org/record/181055/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
G): ischium produced ventrally near at middle.
<emphasis id="05A3EA8E3726FF9C30D430E42174A697" box="[1015,1151,672,697]" italics="true" pageId="6" pageNumber="67">Pereopod 7</emphasis>
(Fig, 5B): ischium 0.68 length of basis; merus 0.74 length of ischium; carpus trapezoidal, 0.43 length of merus; propodus 1.67 times as long as carpus; dactylus as long as carpus.
</paragraph>
<paragraph id="3768369C3726FF9C33E6315C2608A7D4" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E6315C244BA71F" box="[197,320,792,817]" italics="true" pageId="6" pageNumber="67">Pleopod 1</emphasis>
(
<figureCitation id="AFEC2A193726FF9C3270315C2490A71C" box="[339,411,792,818]" captionStart="FIGURE 5" captionStartId="5.[151,255,1942,1966]" captionTargetBox="[271,1305,469,1907]" captionTargetId="figure@5.[264,1323,450,1918]" captionTargetPageId="5" captionText="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="6" pageNumber="67">Fig. 5</figureCitation>
C): peduncle with 1 plumose seta mesially and 4 stout hooks laterally; endopod 0.91 length of exopod, with 28 long plumose setae marginally; exopod with 31 long plumose setae.
<emphasis id="05A3EA8E3726FF9C37C531042056A777" box="[1254,1373,832,857]" italics="true" pageId="6" pageNumber="67">Pleopod 2</emphasis>
(
<figureCitation id="AFEC2A193726FF9C364F310425ADA7AC" captionStart="FIGURE 5" captionStartId="5.[151,255,1942,1966]" captionTargetBox="[271,1305,469,1907]" captionTargetId="figure@5.[264,1323,450,1918]" captionTargetPageId="5" captionText="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="6" pageNumber="67">Fig. 5</figureCitation>
D): peduncle with 2 plumose setae mesially and 3 short hooks laterally; endopod 0.87 length of exopod, with 34 long plumose setae; exopod with 21 long plumose setae.
<emphasis id="05A3EA8E3726FF9C305831D426FDA787" box="[891,1014,912,937]" italics="true" pageId="6" pageNumber="67">Pleopod 3</emphasis>
(
<figureCitation id="AFEC2A193726FF9C372A31D42159A784" box="[1033,1106,912,938]" captionStart="FIGURE 5" captionStartId="5.[151,255,1942,1966]" captionTargetBox="[271,1305,469,1907]" captionTargetId="figure@5.[264,1323,450,1918]" captionTargetPageId="5" captionText="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="6" pageNumber="67">Fig. 5</figureCitation>
E): peduncle with 1 simple mesial seta; endopod 0.92 length of exopod, with 5 short plumose setae.
<emphasis id="05A3EA8E3726FF9C30CF31FC21B2A7FF" box="[1004,1209,952,977]" italics="true" pageId="6" pageNumber="67">Pleopods 4 and 5</emphasis>
(
<figureCitation id="AFEC2A193726FF9C37EB31FC2007A7FC" box="[1224,1292,952,978]" captionStart="FIGURE 5" captionStartId="5.[151,255,1942,1966]" captionTargetBox="[271,1305,469,1907]" captionTargetId="figure@5.[264,1323,450,1918]" captionTargetPageId="5" captionText="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="6" pageNumber="67">Fig. 5</figureCitation>
F, G): endopods with short plumose setae mesially, respectively.
</paragraph>
<paragraph id="3768369C3726FF9C33E6364C21BBA0B4" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E6364C2414A00F" box="[197,287,1032,1057]" italics="true" pageId="6" pageNumber="67">Uropod</emphasis>
(
<figureCitation id="AFEC2A193726FF9C3213364C247DA00C" box="[304,374,1032,1058]" captionStart="FIGURE 5" captionStartId="5.[151,255,1942,1966]" captionTargetBox="[271,1305,469,1907]" captionTargetId="figure@5.[264,1323,450,1918]" captionTargetPageId="5" captionText="FIGURE 5. Symmius yamaguchiensis sp. nov. A – I, holotype female (KMNH IvR 500,229): A, left pereopod 6, mesial; B, right pereopod 7, mesial; C, left pleopod 1, ventral; D, left pleopod 2, ventral; E, left pleopod 3, ventral; F, left pleopod 4, ventral; G, left pleopod 5, ventral; H, left uropod, ventral. Scales = 500 µm." httpUri="https://zenodo.org/record/181057/files/figure.png" pageId="6" pageNumber="67">Fig. 5</figureCitation>
H): peduncle about 3 times as long as wide, with many long multibranched setae; endopod with many multibranched setae and simple scales ventrally, and with 6 long plumose apical setae; exopod 0.76 length of peduncle, with 7 long plumose lateral setae and 3 plumose apical setae, and with 15 short simple, 2 short plumose and many fine setae mesially; multibranched seta with many setules.
</paragraph>
<paragraph id="3768369C3726FF9C33E636E3279BA0EC" blockId="6.[151,1437,152,1738]" box="[197,656,1191,1218]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E636E32429A0EF" bold="true" box="[197,290,1191,1217]" pageId="6" pageNumber="67">Colour.</emphasis>
Colour in life yellowish white.
</paragraph>
</subSubSection>
<subSubSection id="7FCD65173726FF9C33E6368B27D3A14C" pageId="6" pageNumber="67" type="discussion">
<paragraph id="3768369C3726FF9C33E6368B27D3A14C" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E6368B2435A0C7" bold="true" box="[197,318,1231,1257]" pageId="6" pageNumber="67">Remarks.</emphasis>
<taxonomicName id="F0D74D1F3726FF9C326436942778A0C7" box="[327,627,1232,1257]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3726FF9C326436942778A0C7" box="[327,627,1232,1257]" italics="true" pageId="6" pageNumber="67">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53726FF9C315F369427D3A0C4" box="[636,728,1232,1258]" pageId="6" pageNumber="67" rank="species">sp. nov.</taxonomicNameLabel>
is readily distinguished from the other species of the genus except
<taxonomicName id="F0D74D1F3726FF9C33CF36BC247EA13F" box="[236,373,1272,1297]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="caudatus">
<emphasis id="05A3EA8E3726FF9C33CF36BC247EA13F" box="[236,373,1272,1297]" italics="true" pageId="6" pageNumber="67">S. caudatus</emphasis>
</taxonomicName>
, by a combination of nearly straight frontal margin of the head, the rudimentary eye pigment, 11 plumose setae on the palm of propodus of pereopod 1, the ambulatory pereopod 7, and pereonites 1– 7 and pleonite 2 each with mid-dorsal projection.
</paragraph>
</subSubSection>
<subSubSection id="7FCD65173726FF9C33E637342720A28C" pageId="6" pageNumber="67" type="reference_group">
<paragraph id="3768369C3726FF9C33E637342720A28C" blockId="6.[151,1437,152,1738]" pageId="6" pageNumber="67">
<taxonomicName id="F0D74D1F3726FF9C33E6373424F9A1A7" ID-CoL="7B6SY" box="[197,498,1392,1417]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="yamaguchiensis" status="sp. nov.">
<emphasis id="05A3EA8E3726FF9C33E6373424F9A1A7" box="[197,498,1392,1417]" italics="true" pageId="6" pageNumber="67">Symmius yamaguchiensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1E9057F53726FF9C32DE37342751A1A4" box="[509,602,1392,1418]" pageId="6" pageNumber="67" rank="species">sp. nov.</taxonomicNameLabel>
is similar to
<taxonomicName id="F0D74D1F3726FF9C31DF373421BDA1A4" ID-CoL="7B6T3" authority="Richardson, 1904" authorityName="Richardson" authorityYear="1904" box="[764,1206,1392,1418]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="caudatus">
<emphasis id="05A3EA8E3726FF9C31DF373426D2A1A7" box="[764,985,1392,1417]" italics="true" pageId="6" pageNumber="67">Symmius caudatus</emphasis>
<bibRefCitation id="53464B6D3726FF9C30C1373421BDA1A4" author="Richardson" box="[994,1206,1392,1418]" pageId="6" pageNumber="68" refString="Richardson, H. (1904) Contributions to the natural history of the Isopoda. Proceedings of the United States National Museum, 27, 1 - 89." type="journal article" year="1904">Richardson, 1904</bibRefCitation>
</taxonomicName>
, known from
<quantity id="F02F9B793726FF9C3642373425E9A19C" metricMagnitude="2" metricUnit="m" metricValue="1.18" metricValueMax="1.27" metricValueMin="1.09" pageId="6" pageNumber="67" unit="m" value="118.0" valueMax="127.0" valueMin="109.0">109– 127 m</quantity>
depth off Osezaki, Izu Peninsula,
<collectingCountry id="4FC0760C3726FF9C315837DC27CAA19C" box="[635,705,1432,1458]" name="Japan" pageId="6" pageNumber="67">Japan</collectingCountry>
, in having the ambulatory pereopod 7. The two species, however, differ from one another by the following characters (those of
<taxonomicName id="F0D74D1F3726FF9C308137842122A1F7" ID-CoL="7B6T3" box="[930,1065,1472,1497]" class="Malacostraca" family="Chaetiliidae" genus="Symmius" kingdom="Animalia" order="Isopoda" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="caudatus">
<emphasis id="05A3EA8E3726FF9C308137842122A1F7" box="[930,1065,1472,1497]" italics="true" pageId="6" pageNumber="67">S. caudatus</emphasis>
</taxonomicName>
in parentheses): body 2.5 times as long as wide (3.1 times as long as wide); pereonites 1–7 and pleonite 2 each with mid-dorsal projection (without mid-dorsal projection); anterior angle of ocular lobe not projecting (strongly projecting anteriorly); peduncular article 3 of antennule 0.76 times as long as article 2 (as long as article 2); coxal plates of pereonites 5 and 6 slightly curved posteriorly, with blunt apex (strongly curved posteriorly, with acute apex); and very setose pereopods (scattered setae).
</paragraph>
</subSubSection>
<subSubSection id="7FCD65173726FF9C33E634EB2698A2E4" box="[197,915,1711,1738]" pageId="6" pageNumber="67" type="etymology">
<paragraph id="3768369C3726FF9C33E634EB2698A2E4" blockId="6.[151,1437,152,1738]" box="[197,915,1711,1738]" pageId="6" pageNumber="67">
<emphasis id="05A3EA8E3726FF9C33E634EB2459A2E7" bold="true" box="[197,338,1711,1737]" pageId="6" pageNumber="67">Etymology.</emphasis>
The new species is named after the
<typeStatus id="E86C883E3726FF9C31D834F42626A2E4" box="[763,813,1712,1738]" pageId="6" pageNumber="67">type</typeStatus>
locality.
</paragraph>
</subSubSection>
</treatment>
</document>
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