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<document id="909867BDF0A52C419FEFBC1F1C2F65CF" ID-CLB-Dataset="26729" ID-DOI="10.11646/zootaxa.4609.1.2" ID-GBIF-Dataset="a349f585-a56b-4aee-b082-58d671a15523" ID-ISSN="1175-5326" ID-Zenodo-Dep="3150433" ID-ZooBank="68F78949-4006-424B-8CA4-432CD2955264" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1558533871343" checkinUser="plazi" docAuthor="Svavarsson, Jörundur &amp; Bruce, Niel L." docDate="2019" docId="0397FC60FFD944799B83F891FA19F87F" docLanguage="en" docName="zootaxa.4609.1.2.pdf" docOrigin="Zootaxa 4609 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Gnathia glaucostega Svavarsson &amp; Bruce 2019, sp. nov." docType="treatment" docVersion="11" lastPageNumber="61" masterDocId="FFAE8418FFC344679B14FFC0FF85FF8A" masterDocTitle="New gnathiid isopod crustaceans (Cymothoida) from Heron Island and Wistari Reef, southern Great Barrier Reef" masterLastPageNumber="67" masterPageNumber="31" pageNumber="57" updateTime="1698731532807" updateUser="ExternalLinkService">
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<mods:title id="C4C11AFC564645A1E33988669C5A3914">New gnathiid isopod crustaceans (Cymothoida) from Heron Island and Wistari Reef, southern Great Barrier Reef</mods:title>
</mods:titleInfo>
<mods:name id="E2E96C8E0B6F395833D18FD1081AB7B7" type="personal">
<mods:role id="F3E07CFFB510AF376B02F4DD8F24EA28">
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<mods:namePart id="F8B077D22D2A2B537CAADF68B85496DE">Svavarsson, Jörundur</mods:namePart>
</mods:name>
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<mods:namePart id="7E6AE93C0971D68E1E697D4C70924708">Bruce, Niel L.</mods:namePart>
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<mods:title id="E421741388CAFC15D51998F7BABA2C4C">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="D0247805BA6C18EA09D43F0B86A64556">
<mods:date id="D2D8A039C0F69D5E23F4F82B57BD658D">2019</mods:date>
<mods:detail id="705C69AA4810766FF2B21391B13A5B27" type="pubDate">
<mods:number id="BD215DC4104F16D429ACDC7F0EBBE0F7">2019-05-22</mods:number>
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<mods:number id="2ECE171C9BE12449EDD1799AF0641A1E">4609</mods:number>
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<mods:identifier id="4D6E0E512A1BF99A576445A14D076030" type="DOI">10.11646/zootaxa.4609.1.2</mods:identifier>
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<treatment id="0397FC60FFD944799B83F891FA19F87F" ID-GBIF-Taxon="157239518" LSID="urn:lsid:plazi:treatment:0397FC60FFD944799B83F891FA19F87F" httpUri="http://treatment.plazi.org/id/0397FC60FFD944799B83F891FA19F87F" lastPageId="30" lastPageNumber="61" pageId="26" pageNumber="57">
<subSubSection id="C3241EFDFFD9447D9B83F891FEA2F805" pageId="26" pageNumber="57" type="nomenclature">
<paragraph id="8B814D76FFD9447D9B83F891FE73F8E1" blockId="26.[151,502,1873,1935]" box="[151,502,1873,1900]" pageId="26" pageNumber="57">
<heading id="D0C9FA1AFFD9447D9B83F891FE73F8E1" bold="true" box="[151,502,1873,1900]" fontSize="11" level="1" pageId="26" pageNumber="57" reason="1">
<emphasis id="B94A9164FFD9447D9B83F891FE73F8E1" bold="true" box="[151,502,1873,1900]" pageId="26" pageNumber="57">
<taxonomicName id="4C3E36F5FFD9447D9B83F891FE14F8E6" ID-CoL="848YF" authority="Svavarsson &amp; Bruce, 2019" authorityName="Svavarsson &amp; Bruce" authorityYear="2019" box="[151,401,1873,1900]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="26" pageNumber="57" phylum="Arthropoda" rank="species" species="glaucostega" status="sp. nov.">
<emphasis id="B94A9164FFD9447D9B83F891FE14F8E6" bold="true" box="[151,401,1873,1900]" italics="true" pageId="26" pageNumber="57">Gnathia glaucostega</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2792C1FFFD9447D9A8DF891FE73F8E1" box="[409,502,1873,1899]" pageId="26" pageNumber="57" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8B814D76FFD9447D9B83F8B5FEA2F805" blockId="26.[151,502,1873,1935]" box="[151,295,1908,1935]" pageId="26" pageNumber="57">(Figs 2225)</paragraph>
</subSubSection>
<subSubSection id="C3241EFDFFD9447D9B83F87CFC3EF871" pageId="26" pageNumber="57" type="materials_examined">
<paragraph id="8B814D76FFD9447D9B83F87CFC3EF871" blockId="26.[151,1436,1980,2043]" pageId="26" pageNumber="57">
<emphasis id="B94A9164FFD9447D9B83F87CFE7FF85D" bold="true" box="[151,506,1980,2007]" pageId="26" pageNumber="57">
Material examined.
<materialsCitation id="3B56472BFFD9447D9A86F87CFE7FF85D" ID-GBIF-Occurrence="2243136285" box="[402,506,1980,2007]" collectingDate="1979-11-30" collectionCode="MTQ" collectorName="Heron Island-Wistari Reef &amp; N. L. Bruce" elevation="20" latitude="-23.452" longLatPrecision="7" longitude="151.9078" pageId="26" pageNumber="57" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
<emphasis id="B94A9164FFD9447D9A86F87CFE7FF85D" bold="true" box="[402,506,1980,2007]" italics="true" pageId="26" pageNumber="57">
<typeStatus id="5485F3D4FFD9447D9A86F87CFE7FF85D" box="[402,506,1980,2007]" pageId="26" pageNumber="57" type="holotype">Holotype</typeStatus>
</emphasis>
</materialsCitation>
</emphasis>
.
<specimenCount id="9D3886FFFFD9447D991AF87DFDA6F85D" box="[526,547,1981,2007]" pageId="26" pageNumber="57" type="male"></specimenCount>
(
<quantity id="4CC6E093FFD9447D9923F87CFD1DF85D" box="[567,664,1980,2007]" metricMagnitude="-3" metricUnit="m" metricValue="5.3" pageId="26" pageNumber="57" unit="mm" value="5.3">5.3 mm</quantity>
),
<collectorName id="26CB28A0FFD9447D99A4F87DFC6DF85D" box="[688,1000,1981,2007]" pageId="26" pageNumber="57">Heron IslandWistari Reef</collectorName>
channel,
<geoCoordinate id="EE0A2BB1FFD9447D9F4AF87CFB52F85D" box="[1118,1239,1980,2007]" direction="south" orientation="latitude" pageId="26" pageNumber="57" precision="5" value="-23.452">23.4520°S</geoCoordinate>
,
<geoCoordinate id="EE0A2BB1FFD9447D9FFCF87CFAF5F85D" box="[1256,1392,1980,2007]" direction="east" orientation="longitude" pageId="26" pageNumber="57" precision="5" value="151.9078">151.9078°E</geoCoordinate>
,
<date id="FF806BB6FFD9447D9E94F87DFECAF871" pageId="26" pageNumber="57" value="1979-11-30">
<collectingDate id="EFC4925EFFD9447D9E94F87DFECAF871" pageId="26" pageNumber="57" value="1979-11-30">30 November 1979</collectingDate>
</date>
, in dead coral,
<quantity id="4CC6E093FFD9447D9AEDF821FDB1F871" box="[505,564,2017,2043]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="26" pageNumber="57" unit="m" value="20.0">
<elevation id="0013AA45FFD9447D9AEDF821FDB1F871" box="[505,564,2017,2043]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="26" pageNumber="57" unit="m" value="20.0">20 m</elevation>
</quantity>
, coll.
<collectorName id="26CB28A0FFD9447D996CF821FD70F871" box="[632,757,2017,2043]" pageId="26" pageNumber="57">N.L. Bruce</collectorName>
(MTQ W10695).
</paragraph>
</subSubSection>
<subSubSection id="C3241EFDFFDF44799BD3FF62FC5DFF5D" lastPageId="30" lastPageNumber="61" pageId="28" pageNumber="59" type="description">
<paragraph id="8B814D76FFDF447B9BD3FF62FDE6FD8B" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FF62FEDCFF37" bold="true" box="[199,345,162,189]" pageId="28" pageNumber="59">Description.</emphasis>
<emphasis id="B94A9164FFDF447B9A4AFF63FE1DFF37" box="[350,408,163,189]" italics="true" pageId="28" pageNumber="59">Body</emphasis>
(Fig. 22A) 2.7 times as long as greatest width, widest at pereonite 5; dorsal surfaces punctate, densely setose.
<emphasis id="B94A9164FFDF447B9A5CFF07FE65FF6B" box="[328,480,199,225]" italics="true" pageId="28" pageNumber="59">Cephalosome</emphasis>
(Fig. 22BE) semi-pentagonal, 0.9 times as long as wide, lateral margins narrowing posteriorly; dorsal surface with numerous granules; dorsal sulcus narrow, deep, extended; translucent region present; elliptical; paraocular ornamentation well developed, posteromedian tubercle present.
<emphasis id="B94A9164FFDF447B9F84FECFFA19FEA3" box="[1168,1436,271,297]" italics="true" pageId="28" pageNumber="59">Frontolateral processes</emphasis>
present.
<emphasis id="B94A9164FFDF447B9BECFEF3FE20FEC7" box="[248,421,307,333]" italics="true" pageId="28" pageNumber="59">Frontal margin</emphasis>
produced, triangular, median point with process.
<emphasis id="B94A9164FFDF447B98CFFEF3FB25FEC7" box="[987,1184,307,333]" italics="true" pageId="28" pageNumber="59">External scissura</emphasis>
present, narrow, shallow.
<emphasis id="B94A9164FFDF447B9BDBFE97FE3AFEFB" box="[207,447,343,369]" italics="true" pageId="28" pageNumber="59">Mediofrontal process</emphasis>
present, strong, acute, without ventral notch, without fine setae.
<emphasis id="B94A9164FFDF447B9FB5FE97FAE0FEFB" box="[1185,1381,343,369]" italics="true" pageId="28" pageNumber="59">Supraocular lobe</emphasis>
pronounced, wide; accessory supraocular lobe not pronounced.
<emphasis id="B94A9164FFDF447B9855FEBBFB13FE1F" box="[833,1174,379,405]" italics="true" pageId="28" pageNumber="59">Superior frontolateral process</emphasis>
present, single, strong, unequally apically bifid, with few long simple setae.
<emphasis id="B94A9164FFDF447B9814FE5FFBC8FE33" box="[768,1101,415,441]" italics="true" pageId="28" pageNumber="59">Inferior frontolateral process</emphasis>
absent.
<emphasis id="B94A9164FFDF447B9FBBFE5FFA19FE33" box="[1199,1436,415,441]" italics="true" pageId="28" pageNumber="59">Mesioventral margin</emphasis>
straight.
<emphasis id="B94A9164FFDF447B9BEDFE04FEABFE57" box="[249,302,452,477]" italics="true" pageId="28" pageNumber="59">Eyes</emphasis>
present, elongate, 0.2 times as long as cephalosome length, contiguous with head surface, ommatidia arranged in rows, eye colour pale brown.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3FDCCFACAFDE7" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FDCCFE92FDAF" box="[199,279,524,549]" italics="true" pageId="28" pageNumber="59">Pereon</emphasis>
(Fig. 22A) lateral margins subparallel, with many setae; anteriorly with numerous fine granules.
<emphasis id="B94A9164FFDF447B9E61FDCCFF7EFDC3" italics="true" pageId="28" pageNumber="59">Pereonite 1</emphasis>
not fused dorsally with cephalosome; dorsolateral margins not obscured by cephalosome;
<emphasis id="B94A9164FFDF447B9FE8FDF0FAF8FDC3" box="[1276,1405,559,585]" italics="true" pageId="28" pageNumber="59">Pereonite 2</emphasis>
as wide as pereonite 1;
<emphasis id="B94A9164FFDF447B9A6BFD94FDA2FDE7" box="[383,551,595,621]" italics="true" pageId="28" pageNumber="59">areae laterales</emphasis>
present on pereonite 5;
<emphasis id="B94A9164FFDF447B9820FD94FC30FDE7" box="[820,949,595,621]" italics="true" pageId="28" pageNumber="59">Pereonite 6</emphasis>
without lobi laterales; lobuii absent.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3FDB7FF75FCAB" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FDB7FEBFFD1B" box="[199,314,631,657]" italics="true" pageId="28" pageNumber="59">Antennula</emphasis>
(
<figureCitation id="130551F3FFDF447B9A5EFDB7FE37FD1B" box="[330,434,631,657]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23A</figureCitation>
) article 3 2.5 times as long as article 2, 5.1 times as long as wide; flagellum 1.0 times as long as article 3, with 5 articles.
<emphasis id="B94A9164FFDF447B9911FD5BFDE7FD3F" box="[517,610,667,693]" italics="true" pageId="28" pageNumber="59">Antenna</emphasis>
(
<figureCitation id="130551F3FFDF447B9966FD5BFD52FD3F" box="[626,727,667,693]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23B</figureCitation>
) peduncle article 4 3.1 times as long as wide, 1.9 times as long as article 3, with 2 penicillate setae, and 6 simple setae; article 5 1.3 times as long as article 4, 4.2 times as long as wide, inferior margin with 4 penicillate setae, with 8 simple setae; flagellum 1.2 times as long as article 5, with 6 articles.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3FCEBFEB9FC5F" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FCEBFEA3FCCF" box="[199,294,811,837]" italics="true" pageId="28" pageNumber="59">Mandibl</emphasis>
e (Fig. 22BE) 0.6 times as long as width of cephalosome, mandible triangular, strongly curved distally; mandible apex 10 % total length; mandibular seta present.
<taxonomicName id="4C3E36F5FFDF447B9871FC8FFC31FCE3" box="[869,948,847,873]" class="Aves" family="Anatidae" genus="Carina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anseriformes" pageId="28" pageNumber="59" phylum="Chordata" rank="genus">
<emphasis id="B94A9164FFDF447B9871FC8FFC31FCE3" box="[869,948,847,873]" italics="true" pageId="28" pageNumber="59">Carina</emphasis>
</taxonomicName>
present, finely dentate along proximal half.
<emphasis id="B94A9164FFDF447B9B83FCB4FF63FC07" box="[151,230,884,909]" italics="true" pageId="28" pageNumber="59">Incisor</emphasis>
knob-like, distal denticulation absent.
<emphasis id="B94A9164FFDF447B9988FCB3FD58FC07" box="[668,733,883,909]" italics="true" pageId="28" pageNumber="59">Blade</emphasis>
present, dentate, with distinct angle, convex, dentate along 60 % of distal margin.
<emphasis id="B94A9164FFDF447B9A64FC57FD84FC3B" box="[368,513,919,945]" italics="true" pageId="28" pageNumber="59">Pseudoblade</emphasis>
absent;
<emphasis id="B94A9164FFDF447B994FFC57FD5CFC3B" box="[603,729,919,945]" italics="true" pageId="28" pageNumber="59">dorsal lobe</emphasis>
absent; basal neck short;
<emphasis id="B94A9164FFDF447B98E0FC58FBC5FC3B" box="[1012,1088,920,945]" italics="true" pageId="28" pageNumber="59">erisma</emphasis>
present;
<emphasis id="B94A9164FFDF447B9FB0FC57FAC9FC3B" box="[1188,1356,919,945]" italics="true" pageId="28" pageNumber="59">lamina dentata</emphasis>
visible in dorsal view.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3FC1FFECCFB5B" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FC1FFEC5FC73" box="[199,320,991,1017]" italics="true" pageId="28" pageNumber="59">Maxilliped</emphasis>
(
<figureCitation id="130551F3FFDF447B9A45FC1FFE33FC73" box="[337,438,991,1017]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23C</figureCitation>
) 5-articled.
<emphasis id="B94A9164FFDF447B9955FC1FFD3FFC73" box="[577,698,991,1017]" italics="true" pageId="28" pageNumber="59">Maxilliped</emphasis>
article 1 lateral margin with continuous marginal scale-setae; article 2 lateral margin with 5 plumose setae; article 3 lateral margin with 7 plumose setae; article 4 lateral margin with 5 plumose setae; article 5 with 5 plumose setae; endite extending to distal margin of article 2; without coupling setae.
<emphasis id="B94A9164FFDF447B9BC9FB8BFEBFFBEF" box="[221,314,1099,1125]" italics="true" pageId="28" pageNumber="59">Pylopod</emphasis>
(
<figureCitation id="130551F3FFDF447B9A5CFB8BFE2BFBEF" box="[328,430,1099,1125]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23D</figureCitation>
) article 1 1.5 times as long as wide, without distolateral lobe; posterior and lateral margins forming rounded curve; lateral margin with 36 large PMS; mesial margin with continuous scale-setae, distal margin with 4 simple setae; article 2 (
<figureCitation id="130551F3FFDF447B9AFEFB53FDC8FB27" box="[490,589,1171,1197]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23E</figureCitation>
) 1.1 times as long as wide, with 5 setae; article 3 (
<figureCitation id="130551F3FFDF447B9F92FB53FB6CFB27" box="[1158,1257,1171,1197]" captionStart="FIGURE 23" captionStartId="29.[151,250,1815,1840]" captionTargetBox="[159,1425,182,1792]" captionTargetId="figure@29.[151,1436,170,1803]" captionTargetPageId="29" captionText="FIGURE 23. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod." httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="28" pageNumber="59">Fig. 23E</figureCitation>
) minute, with 6 scale-like setae.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3FB1BFAC4F89B" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3FB1BFEEBFB7F" box="[199,366,1243,1269]" italics="true" pageId="28" pageNumber="59">Pereopods 26</emphasis>
with long simple setae; propodus distal RS slightly longer than proximal RS; lateral and inferior margins with weak tubercles, pereopod 2 with tubercles on basis to carpus.
<emphasis id="B94A9164FFDF447B98F8FB3FFBEBFA93" box="[1004,1134,1279,1305]" italics="true" pageId="28" pageNumber="59">Pereopod 2</emphasis>
(
<figureCitation id="130551F3FFDF447B9F6AFB3FFB61FA93" box="[1150,1252,1279,1305]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24A</figureCitation>
)
<emphasis id="B94A9164FFDF447B9FE0FB3FFAABFA93" box="[1268,1326,1279,1305]" italics="true" pageId="28" pageNumber="59">basis</emphasis>
2.5 times as long as greatest width, superior margin with 14 setae, inferior margin with 7 setae;
<emphasis id="B94A9164FFDF447B9F74FAE3FB32FAB7" box="[1120,1207,1315,1341]" italics="true" pageId="28" pageNumber="59">ischium</emphasis>
0.8 times as long as basis, 2.6 times as long as wide, superior margin with 5 setae, inferior margin with 5 setae;
<emphasis id="B94A9164FFDF447B9F80FA88FB5DFAEB" box="[1172,1240,1352,1377]" italics="true" pageId="28" pageNumber="59">merus</emphasis>
0.4 times as long as ischium, 1.3 times as long as wide, superior margin with 3 setae, inferior margin with 8 setae;
<emphasis id="B94A9164FFDF447B9FC0FAACFAA5FA0F" box="[1236,1312,1388,1413]" italics="true" pageId="28" pageNumber="59">carpus</emphasis>
(
<figureCitation id="130551F3FFDF447B9E24FAABFA11FA0F" box="[1328,1428,1387,1413]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24B</figureCitation>
) 0.6 times as long as ischium, 2.2 times as long as wide, superior margin with 1 seta, inferior margin with 6 setae (one biserrate);
<emphasis id="B94A9164FFDF447B9A53FA73FE35FA47" box="[327,432,1459,1485]" italics="true" pageId="28" pageNumber="59">propodus</emphasis>
(
<figureCitation id="130551F3FFDF447B9AAAFA73FDA7FA47" box="[446,546,1459,1485]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24B</figureCitation>
) 0.8 times as long as ischium, 3.8 times as long as wide, superior margin 4 setae (one penicillate), inferior margin with 1 simple setae and 2 RS;
<emphasis id="B94A9164FFDF447B9872FA17FC46FA7B" box="[870,963,1495,1521]" italics="true" pageId="28" pageNumber="59">dactylus</emphasis>
(
<figureCitation id="130551F3FFDF447B98C7FA17FBBDFA7B" box="[979,1080,1495,1521]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24B</figureCitation>
) 0.5 times as long as propodus.
<emphasis id="B94A9164FFDF447B9B83FA3BFEE0F99F" box="[151,357,1531,1557]" italics="true" pageId="28" pageNumber="59">Pereopods 3 and 4</emphasis>
similar to pereopod 2.
<emphasis id="B94A9164FFDF447B9977FA3BFD67F99F" box="[611,738,1531,1557]" italics="true" pageId="28" pageNumber="59">Pereopod 5</emphasis>
similar to pereopod 6.
<emphasis id="B94A9164FFDF447B98CBFA3BFBDAF99F" box="[991,1119,1531,1557]" italics="true" pageId="28" pageNumber="59">Pereopod 6</emphasis>
(
<figureCitation id="130551F3FFDF447B9F79FA3BFB55F99F" box="[1133,1232,1531,1557]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24C</figureCitation>
) with tubercles on basis to carpus,
<emphasis id="B94A9164FFDF447B9A53F9DFFE04F9B3" box="[327,385,1567,1593]" italics="true" pageId="28" pageNumber="59">basis</emphasis>
2.6 times as long as greatest width, superior margin with 5 setae, and 1 penicillate seta, inferior margin with 8 setae;
<emphasis id="B94A9164FFDF447B9A97F983FE5FF9D7" box="[387,474,1603,1629]" italics="true" pageId="28" pageNumber="59">ischium</emphasis>
0.8 times as long as basis, 2.3 times as long as greatest width, superior margin with 8 setae, inferior margin with 6 setae;
<emphasis id="B94A9164FFDF447B9932F9A8FDEFF90B" box="[550,618,1640,1665]" italics="true" pageId="28" pageNumber="59">merus</emphasis>
0.5 times as long as ischium, 1.3 times as long as wide, superior margin with 5 setae, inferior margin with 7 setae, with dense patch of scale-setae;
<emphasis id="B94A9164FFDF447B98CFF94CFBA2F92F" box="[987,1063,1676,1701]" italics="true" pageId="28" pageNumber="59">carpus</emphasis>
0.5 times as long as ischium, 2.1 times as long as wide, superior margin with 2 setae, inferior margin with 6 setae, with dense patch of scale-setae;
<emphasis id="B94A9164FFDF447B9B83F913FE85F967" box="[151,256,1747,1773]" italics="true" pageId="28" pageNumber="59">propodus</emphasis>
(
<figureCitation id="130551F3FFDF447B9A1AF913FEF1F967" box="[270,372,1747,1773]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24D</figureCitation>
) 0.7 times as long as ischium, 3.8 times as long as wide, superior margin with 4 setae (one penicillate), inferior margin with 12 simple setae, and 2 RS;
<emphasis id="B94A9164FFDF447B9819F937FCEFF89B" box="[781,874,1783,1809]" italics="true" pageId="28" pageNumber="59">dactylus</emphasis>
(
<figureCitation id="130551F3FFDF447B986DF937FC65F89B" box="[889,992,1783,1809]" captionStart="FIGURE 24" captionStartId="30.[151,250,1818,1843]" captionTargetBox="[161,1422,243,1793]" captionTargetId="figure@30.[151,1436,233,1806]" captionTargetPageId="30" captionText="FIGURE 24. Gnathia glaucostega sp. nov., ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6." httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="28" pageNumber="59">Fig. 24D</figureCitation>
) 0.5 times as long as propodus.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3F8DBFBD4F8F7" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3F8DBFEB8F8BF" box="[199,317,1819,1845]" italics="true" pageId="28" pageNumber="59">Pleotelson</emphasis>
(Fig. 25C) 1.3 times as long as anterior width, lateral margins finely serrate, anterolateral margins concave, posterolateral margin straight; mid-dorsal surface with 2 sub-median setae, anterolateral margin with 4 submarginal setae, posterolateral margin with 2 submarginal setae, apex with 2 setae.
</paragraph>
<paragraph id="8B814D76FFDF447B9BD3F847FED4F863" blockId="28.[151,1437,162,2025]" pageId="28" pageNumber="59">
<emphasis id="B94A9164FFDF447B9BD3F847FEBFF82B" box="[199,314,1927,1953]" italics="true" pageId="28" pageNumber="59">Pleopod 2</emphasis>
(Fig. 25A)
<emphasis id="B94A9164FFDF447B9AABF847FD95F82B" box="[447,528,1927,1953]" italics="true" pageId="28" pageNumber="59">exopod</emphasis>
2 times as long as wide, with 9 PMS;
<emphasis id="B94A9164FFDF447B98D7F847FBA6F82B" box="[963,1059,1927,1953]" italics="true" pageId="28" pageNumber="59">endopod</emphasis>
2.5 times as long as wide, with 7 PMS. Pleopod 2
<emphasis id="B94A9164FFDF447B9A42F86BFDB2F84F" box="[342,567,1963,1989]" italics="true" pageId="28" pageNumber="59">appendix masculina</emphasis>
present, curved, with parallel margins, 0.6 times as long as endopod, distally bluntly rounded.
</paragraph>
<caption id="DF411DFEFFDE447A9B83F8D7FDF9F8DA" httpUri="https://zenodo.org/record/3150535/files/figure.png" pageId="29" pageNumber="60" startId="29.[151,250,1815,1840]" targetBox="[159,1425,182,1792]" targetPageId="29">
<paragraph id="8B814D76FFDE447A9B83F8D7FDF9F8DA" blockId="29.[151,1436,1815,1872]" pageId="29" pageNumber="60">
<emphasis id="B94A9164FFDE447A9B83F8D7FE9CF8BA" bold="true" box="[151,281,1815,1840]" pageId="29" pageNumber="60">FIGURE 23</emphasis>
.
<taxonomicName id="4C3E36F5FFDE447A9A32F8D7FE7CF8A5" authority="Svavarsson &amp; Bruce, 2019" authorityName="Svavarsson &amp; Bruce" authorityYear="2019" box="[294,505,1815,1839]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="29" pageNumber="60" phylum="Arthropoda" rank="species" species="glaucostega" status="sp. nov.">
<emphasis id="B94A9164FFDE447A9A32F8D7FE7CF8A5" box="[294,505,1815,1839]" italics="true" pageId="29" pageNumber="60">Gnathia glaucostega</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2792C1FFFDE447A9914F8D8FDD7F8A5" box="[512,594,1816,1840]" pageId="29" pageNumber="60" rank="species">
<emphasis id="B94A9164FFDE447A9914F8D8FDCEF8BA" bold="true" box="[512,587,1816,1840]" pageId="29" pageNumber="60">sp. nov</emphasis>
.
</taxonomicNameLabel>
, ♂, paratype, 3.8 mm (MTQ W24860). A, antennula. B, antenna. C, maxilliped. D, pylopod. E, second and third article of pylopod.
</paragraph>
</caption>
<paragraph id="8B814D76FFDE447A9BD3F851FA19F878" blockId="29.[151,1437,1936,2035]" pageId="29" pageNumber="60">
<emphasis id="B94A9164FFDE447A9BD3F851FE98F821" box="[199,285,1937,1963]" italics="true" pageId="29" pageNumber="60">Uropod</emphasis>
(Fig. 25B, C) rami extending beyond pleotelson, apices broadly rounded.
<emphasis id="B94A9164FFDE447A9F74F851FB4DF821" box="[1120,1224,1937,1963]" italics="true" pageId="29" pageNumber="60">Peduncle</emphasis>
with 1 dorsal seta.
<emphasis id="B94A9164FFDE447A9B83F875FF79F845" box="[151,252,1973,1999]" italics="true" pageId="29" pageNumber="60">Endopod</emphasis>
2.8 times as long as greatest width, dorsally with 4 sensory setae; lateral margin proximally straight, lateral margin with 5 simple setae; mesial margin strongly convex distally, with 4 long plumose setae.
<emphasis id="B94A9164FFDE447A9FD5F819FA92F879" box="[1217,1303,2009,2035]" italics="true" pageId="29" pageNumber="60">Exopod</emphasis>
not extend-
</paragraph>
<paragraph id="8B814D76FFDD44799B83FF59FC5DFF5D" blockId="30.[151,1436,152,215]" pageId="30" pageNumber="61">ing to end of endopod, 4.5 times as long as greatest width; lateral margin straight, with 7 simple setae; proximomesial margin straight, distally convex, mesiodistal margin with 4 long PMS.</paragraph>
</subSubSection>
<caption id="DF411DFEFFDD44799B83F8DAFC46F8D9" httpUri="https://zenodo.org/record/3150541/files/figure.png" pageId="30" pageNumber="61" startId="30.[151,250,1818,1843]" targetBox="[161,1422,243,1793]" targetPageId="30">
<paragraph id="8B814D76FFDD44799B83F8DAFC46F8D9" blockId="30.[151,1437,1818,1875]" pageId="30" pageNumber="61">
<emphasis id="B94A9164FFDD44799B83F8DAFE9EF8B9" bold="true" box="[151,283,1818,1843]" pageId="30" pageNumber="61">FIGURE 24</emphasis>
.
<taxonomicName id="4C3E36F5FFDD44799A3EF8DAFE7AF8B8" authority="Svavarsson &amp; Bruce, 2019" authorityName="Svavarsson &amp; Bruce" authorityYear="2019" box="[298,511,1818,1842]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="glaucostega" status="sp. nov.">
<emphasis id="B94A9164FFDD44799A3EF8DAFE7AF8B8" box="[298,511,1818,1842]" italics="true" pageId="30" pageNumber="61">Gnathia glaucostega</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2792C1FFFDD4479991CF8DAFDD9F8B8" box="[520,604,1818,1842]" pageId="30" pageNumber="61" rank="species">
<emphasis id="B94A9164FFDD4479991CF8DAFDD0F8B8" bold="true" box="[520,597,1818,1842]" pageId="30" pageNumber="61">sp. nov</emphasis>
.
</taxonomicNameLabel>
, ♂, paratype, 3.8 mm (MTQ W24860). A, pereopod 2. B, carpus, propodus and dactylus of pereopod 2. C, pereopod 6. D, propodus and dactylus of pereopod 6.
</paragraph>
</caption>
<subSubSection id="C3241EFDFFDD44799BD3F854FA19F87F" pageId="30" pageNumber="61" type="discussion">
<paragraph id="8B814D76FFDD44799BD3F854FA19F87F" blockId="30.[151,1437,1939,2038]" pageId="30" pageNumber="61">
<emphasis id="B94A9164FFDD44799BD3F854FEBEF824" bold="true" box="[199,315,1940,1966]" pageId="30" pageNumber="61">Remarks.</emphasis>
<taxonomicName id="4C3E36F5FFDD44799A50F853FDB5F827" authority="Svavarsson &amp; Bruce, 2019" authorityName="Svavarsson &amp; Bruce" authorityYear="2019" box="[324,560,1939,1965]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="glaucostega" status="sp. nov.">
<emphasis id="B94A9164FFDD44799A50F853FDB5F827" box="[324,560,1939,1965]" italics="true" pageId="30" pageNumber="61">Gnathia glaucostega</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2792C1FFFDD4479992DF854FD13F824" box="[569,662,1940,1966]" pageId="30" pageNumber="61" rank="species">
<emphasis id="B94A9164FFDD4479992DF854FD15F824" bold="true" box="[569,656,1940,1966]" pageId="30" pageNumber="61">sp. nov</emphasis>
.
</taxonomicNameLabel>
is most closely related to
<taxonomicName id="4C3E36F5FFDD447998D3F853FA8CF827" authority="Ota, 2012" authorityName="Ota" authorityYear="2012" box="[967,1289,1939,1965]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="excavata">
<emphasis id="B94A9164FFDD447998D3F853FB15F827" box="[967,1168,1939,1965]" italics="true" pageId="30" pageNumber="61">Gnathia excavata</emphasis>
Ota, 2012
</taxonomicName>
from Southwestern
<collectingCountry id="F3290DE6FFDD44799BE1F878FEBDF858" box="[245,312,1976,2002]" name="Japan" pageId="30" pageNumber="61">Japan</collectingCountry>
, but differs in having the mediofrontal margin evenly rounded distally (bifid apex in
<taxonomicName id="4C3E36F5FFDD44799FFEF878FAEAF85B" authorityName="Ota" authorityYear="2012" box="[1258,1391,1976,2002]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="excavata">
<emphasis id="B94A9164FFDD44799FFEF878FAEAF85B" box="[1258,1391,1976,2002]" italics="true" pageId="30" pageNumber="61">G. excavata</emphasis>
</taxonomicName>
), in the shape of the frontolateral processes (rounded in
<taxonomicName id="4C3E36F5FFDD447999F6F81CFCEFF87F" authorityName="Ota" authorityYear="2012" box="[738,874,2012,2038]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="excavata">
<emphasis id="B94A9164FFDD447999F6F81CFCEFF87F" box="[738,874,2012,2038]" italics="true" pageId="30" pageNumber="61">G. excavata</emphasis>
</taxonomicName>
; slightly bifid in
<taxonomicName id="4C3E36F5FFDD44799F3BF81BFA9FF87F" authorityName="Svavarsson &amp; Bruce" authorityYear="2019" box="[1071,1306,2011,2037]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="30" pageNumber="61" phylum="Arthropoda" rank="species" species="glaucostega">
<emphasis id="B94A9164FFDD44799F3BF81BFA9FF87F" box="[1071,1306,2011,2037]" italics="true" pageId="30" pageNumber="61">Gnathia glaucostega</emphasis>
</taxonomicName>
), in having
</paragraph>
</subSubSection>
</treatment>
</document>