243 lines
33 KiB
XML
243 lines
33 KiB
XML
<document id="4DE1C9E7A32CE1C03A37758F77F7096B" ID-DOI="10.11646/zootaxa.3737.1.3" ID-GBIF-Dataset="d8c057a6-5061-44ea-9d54-61eee7700e1b" ID-ISSN="1175-5326" ID-Zenodo-Dep="285215" ID-ZooBank="CE23AED0-EBA7-422D-AB3C-47DC2D3FB4D" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460699631104" checkinUser="plazi" docAuthor="Ota, Yuzo" docDate="2013" docId="412987E8FFB13310FF3CF9EABE162C8A" docLanguage="en" docName="zt03737p056.pdf" docOrigin="Zootaxa 3737 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Gnathia sanrikuensis Nunomura 1998" docType="treatment" docVersion="6" lastPageNumber="48" masterDocId="BD10FF90FFBF331FFFABFFF9BC292B57" masterDocTitle="Redescription of five gnathiid species from Japan (Crustacea: Isopoda)" masterLastPageNumber="56" masterPageNumber="33" pageNumber="47" updateTime="1698354195244" updateUser="plazi">
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<mods:title id="590E7D8E366567F8B4C49AC0D555375D">Redescription of five gnathiid species from Japan (Crustacea: Isopoda)</mods:title>
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<mods:name id="43D2F40B4B19279F8AEB14EA4E3A71E7" type="personal">
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<mods:namePart id="C8B555BEB8E23A045A4E78CF413435D5">Ota, Yuzo</mods:namePart>
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<mods:title id="690723C74F7607EC4BAFA39AE6D3F4A8">Zootaxa</mods:title>
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<mods:part id="08BD14893BC72B1DE7B8547C6586F90D">
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<mods:date id="DF43D61BA666632A8B32F07CEF62CF47">2013</mods:date>
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<mods:number id="251E3E613446431D730584D23A081F0B">3737</mods:number>
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<mods:detail id="9F0F086E82FB0BFD3C349C07E1B11C08" type="issue">
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<mods:number id="6F51A7279383D2A127B2421E514963F8">1</mods:number>
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<mods:identifier id="11C2CBC96BFCC1C05BA466C7DED94CCC" type="DOI">10.11646/zootaxa.3737.1.3</mods:identifier>
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<treatment id="412987E8FFB13310FF3CF9EABE162C8A" ID-DOI="http://doi.org/10.5281/zenodo.6160803" ID-GBIF-Taxon="127666417" ID-Zenodo-Dep="6160803" LSID="urn:lsid:plazi:treatment:412987E8FFB13310FF3CF9EABE162C8A" httpUri="http://treatment.plazi.org/id/412987E8FFB13310FF3CF9EABE162C8A" lastPageId="15" lastPageNumber="48" pageId="14" pageNumber="47">
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<subSubSection id="819A6575FFB13311FF3CF9EABD352DA1" pageId="14" pageNumber="47" type="nomenclature">
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<paragraph id="C93F36FEFFB13311FF3CF9EABE5D2D79" blockId="14.[151,628,1555,1651]" box="[151,628,1555,1582]" pageId="14" pageNumber="47">
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<heading id="92778192FFB13311FF3CF9EABE5D2D79" bold="true" box="[151,628,1555,1582]" fontSize="11" level="1" pageId="14" pageNumber="47" reason="1">
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<taxonomicName id="0E804D7DFFB13311FF3CF9EABE5D2D79" ID-CoL="6KNBR" authority="Nunomura, 1998" authorityName="Nunomura" authorityYear="1998" box="[151,628,1555,1582]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="14" pageNumber="47" phylum="Arthropoda" rank="species" species="sanrikuensis">
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<emphasis id="FBF4EAECFFB13311FF3CF9EABE5D2D79" bold="true" box="[151,628,1555,1582]" pageId="14" pageNumber="47">
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<emphasis id="FBF4EAECFFB13311FF3CF9EABDB32D7A" bold="true" box="[151,410,1555,1581]" italics="true" pageId="14" pageNumber="47">Gnathia sanrikuensis</emphasis>
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Nunomura, 1998
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="C93F36FEFFB13311FF3CF9CEBD232D24" blockId="14.[151,628,1555,1651]" pageId="14" pageNumber="47">
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(Japanese name: Sanriku-umi-kuwagata) (
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<figureCitation id="51BB2A7BFFB13311FF34F9A3BD2B2D24" box="[159,258,1626,1651]" captionStart-0="FIGURE 8" captionStart-1="FIGURE 9" captionStartId-0="16.[151,250,1946,1968]" captionStartId-1="17.[151,250,1953,1975]" captionTargetBox-0="[207,1380,193,1928]" captionTargetBox-1="[197,1393,193,1931]" captionTargetId-0="figure@16.[207,1380,193,1934]" captionTargetId-1="figure@17.[193,1394,193,1932]" captionTargetPageId-0="16" captionTargetPageId-1="17" captionText-0="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." captionText-1="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri-0="https://zenodo.org/record/285223/files/figure.png" httpUri-1="https://zenodo.org/record/285224/files/figure.png" pageId="14" pageNumber="47">Figs 8–9</figureCitation>
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)
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</paragraph>
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<paragraph id="C93F36FEFFB13311FF3CF95BBD352DA1" blockId="14.[151,1436,1698,1782]" pageId="14" pageNumber="47">
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<taxonomicName id="0E804D7DFFB13311FF3CF95BBE622DEF" authority="Nunomura, 1998: 55" authorityName="Nunomura" authorityPageNumber="55" authorityYear="1998" box="[151,587,1698,1720]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="14" pageNumber="47" phylum="Arthropoda" rank="species" species="sanrikuensis">
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<emphasis id="FBF4EAECFFB13311FF3CF95BBD592DEF" box="[151,368,1698,1720]" italics="true" pageId="14" pageNumber="47">Gnathia sanrikuensis</emphasis>
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Nunomura, 1998: 55
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</taxonomicName>
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–69, figs. 1–3.—Saito
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<emphasis id="FBF4EAECFFB13311FC9FF95ABF4B2DEF" box="[820,866,1698,1720]" italics="true" pageId="14" pageNumber="47">et al</emphasis>
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. 2000: 18.—Tanaka 2004: 59.—Nunomura, 2004: 354. Smit & Davies 2004: 300, table 1.—Nunomura & Shimomura 2013a: 142, 144.—Nunomura & Shimomura 2013b: 295, fig. 137.
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</paragraph>
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</subSubSection>
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<subSubSection id="819A6575FFB13311FF3CF8DBBF802CB8" pageId="14" pageNumber="47" type="materials_examined">
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<paragraph id="C93F36FEFFB13311FF3CF8DBBD292CF0" blockId="14.[151,1436,1826,2031]" pageId="14" pageNumber="47">
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<emphasis id="FBF4EAECFFB13311FF3CF8DBBE012C6C" bold="true" box="[151,552,1826,1851]" pageId="14" pageNumber="47">
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Material examined of
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<typeStatus id="163B885CFFB13311FE09F8DBBDFF2C6C" box="[418,470,1826,1851]" pageId="14" pageNumber="47">type</typeStatus>
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series.
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</emphasis>
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Male adult,
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<typeStatus id="163B885CFFB13311FD12F8DBBF372C6C" box="[697,798,1826,1851]" pageId="14" pageNumber="47" type="holotype">holotype</typeStatus>
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, TOYA Cr-12473,
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<quantity id="0E789B1BFFB13311FC5CF8DAB8792C6D" box="[1015,1104,1827,1851]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" pageId="14" pageNumber="47" unit="mm" value="2.8">2.8 mm</quantity>
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, from
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<quantity id="0E789B1BFFB13311FB37F8DAB8FF2C6D" box="[1180,1238,1827,1851]" metricMagnitude="1" metricUnit="m" metricValue="4.2" pageId="14" pageNumber="47" unit="m" value="42.0">42 m</quantity>
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depth of Otsuchi Bay, Iwate Pref., northern
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<collectingCountry id="B197766EFFB13311FE60F8BEBE222C09" box="[459,523,1863,1886]" name="Japan" pageId="14" pageNumber="47">Japan</collectingCountry>
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(39°20′–21′N, 141°53′–58′E),
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<date id="BD3E103EFFB13311FCC4F8BEB82A2C08" box="[879,1027,1863,1887]" pageId="14" pageNumber="47" value="1993-08-02">2 Aug. 1993</date>
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, coll Shin’ichi Ishimaru. Two male adults,
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<typeStatus id="163B885CFFB13311FF45F892BD752CD4" box="[238,348,1899,1923]" pageId="14" pageNumber="47" type="paratype">paratypes</typeStatus>
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, TOYA Cr-12474, 3.0 mm, TOYA Cr-12475, 3.0 mm, from the same locality and date of
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<typeStatus id="163B885CFFB13311FF3CF877BCD42CF0" box="[151,253,1934,1959]" pageId="14" pageNumber="47" type="holotype">holotype</typeStatus>
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.
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</paragraph>
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<paragraph id="C93F36FEFFB13311FF6CF84BBF802CB8" blockId="14.[151,1436,1826,2031]" pageId="14" pageNumber="47">
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<emphasis id="FBF4EAECFFB13311FF6CF84BBD582C9C" bold="true" box="[199,369,1970,1995]" pageId="14" pageNumber="47">New material.</emphasis>
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One male adult, KMNH IvR-500,719,
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<quantity id="0E789B1BFFB13311FC9DF84ABFB92C9D" box="[822,912,1971,1995]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" pageId="14" pageNumber="47" unit="mm" value="2.8">2.8 mm</quantity>
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, from
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<quantity id="0E789B1BFFB13311FC76F84BB8072C9D" box="[989,1070,1970,1995]" metricMagnitude="1" metricUnit="m" metricValue="4.65" pageId="14" pageNumber="47" unit="m" value="46.5">46.5 m</quantity>
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depth, sandy sediment, Otsuchi Bay, Smith-McIntyre grab,
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<date id="BD3E103EFFB13311FE60F82FBE4A2CB8" box="[459,611,2006,2031]" pageId="14" pageNumber="47" value="1998-05-25">25 May 1998</date>
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, coll. Michitaka Shimomura.
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</paragraph>
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</subSubSection>
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<subSubSection id="819A6575FFB03310FF6CFF6EB8BC2BAF" pageId="15" pageNumber="48" type="distribution">
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<paragraph id="C93F36FEFFB03310FF6CFF6EB8172BE7" blockId="15.[151,1437,151,2013]" box="[199,1086,151,176]" pageId="15" pageNumber="48">
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<emphasis id="FBF4EAECFFB03310FF6CFF6EBD702BE7" bold="true" box="[199,345,151,176]" pageId="15" pageNumber="48">Distribution</emphasis>
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(
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<figureCitation id="51BB2A7BFFB03310FEC3FF6EBD822BE7" box="[360,427,151,176]" captionStart="FIGURE 1" captionStartId="1.[151,250,1758,1780]" captionTargetBox="[155,1430,763,1707]" captionTargetId="figure@1.[151,1436,756,1716]" captionTargetPageId="1" captionText="FIGURE 1. Sampling sites of holotype materials and new materials: k, Elaphognathia kikuchii; n, Gnathia nasuta; s, Gnathia sanrikuensis; m, Gnathia mutsuensis; b, Gnathia bungoensis. The numbers correspond to the specimen numbers in Table 1." httpUri="https://zenodo.org/record/285216/files/figure.png" pageId="15" pageNumber="48">Fig. 1</figureCitation>
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,
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<tableCitation id="84020345FFB03310FE12FF6EBE232BE7" box="[441,522,151,176]" captionStart="TABLE 1" captionStartId="3.[151,235,152,174]" captionText="TABLE 1. Sample data of five gnathiid species. Female and larval specimens were collected but they were not able to identified due to mixture of sediment samples." pageId="15" pageNumber="48">Table 1</tableCitation>
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). Otsuchi Bay, northern
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<collectingCountry id="B197766EFFB03310FC8BFF61BF492BF8" box="[800,864,152,175]" name="Japan" pageId="15" pageNumber="48">Japan</collectingCountry>
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(
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<quantity id="0E789B1BFFB03310FCC5FF6EBFC12BF8" box="[878,1000,151,176]" metricMagnitude="1" metricUnit="m" metricValue="4.425" metricValueMax="4.65" metricValueMin="4.2" pageId="15" pageNumber="48" unit="m" value="44.25" valueMax="46.5" valueMin="42.0">42–46.5 m</quantity>
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depth).
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</paragraph>
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<paragraph id="C93F36FEFFB03310FF6CFF45B8BC2BAF" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
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<emphasis id="FBF4EAECFFB03310FF6CFF45BD442B82" bold="true" box="[199,365,188,213]" pageId="15" pageNumber="48">Redescription</emphasis>
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(
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<figureCitation id="51BB2A7BFFB03310FED5FF45BDE12B83" box="[382,456,188,213]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Figs 8</figureCitation>
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,
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<figureCitation id="51BB2A7BFFB03310FE7DFF45BDCF2B83" box="[470,486,188,212]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">9</figureCitation>
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).
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<emphasis id="FBF4EAECFFB03310FE55FF45BE112B83" box="[510,568,188,212]" italics="true" pageId="15" pageNumber="48">Body</emphasis>
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<quantity id="0E789B1BFFB03310FDEBFF45BEE02B83" box="[576,713,188,212]" metricMagnitude="-3" metricUnit="m" metricValue="3.0999999999999996" metricValueMax="3.4" metricValueMin="2.8" pageId="15" pageNumber="48" unit="mm" value="3.0999999999999996" valueMax="3.4" valueMin="2.8">2.8–3.4 mm</quantity>
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(mean ± SD; 3.0 ±
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<quantity id="0E789B1BFFB03310FC1AFF45B8222B83" box="[945,1035,188,212]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="48" unit="mm" value="0.2">0.2 mm</quantity>
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, n = 4) without tubercles. Color of fixed specimens white or light brown; digestive organs brown due to congealed host blood.
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</paragraph>
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</subSubSection>
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<subSubSection id="819A6575FFB03310FF6CFEFDBF0C2D07" pageId="15" pageNumber="48" type="description">
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<paragraph id="C93F36FEFFB03310FF6CFEFDB89B2AFA" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
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<emphasis id="FBF4EAECFFB03310FF6CFEFDBD492A4B" box="[199,352,260,284]" italics="true" pageId="15" pageNumber="48">Cephalosome</emphasis>
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(
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<figureCitation id="51BB2A7BFFB03310FEC4FEFDBD992A4B" box="[367,432,260,285]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
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A–D) almost square with posterior margin slightly concave, sparsely covered with setae. Frontal border of dorsal part convex with many setae and 2 pairs of small processes. Two projection with several setae slightly visible near frontal border. Frontal border of ventral part slightly extend beyond that of dorsal part. Dorsal sulcus wide and shallow V-shape. Oval-shaped translucent region visible anteromedianly on dorsal sulcus. Eyes composed with 39 ocelli. Paraocular ornamentation and supraocular lobe not prominent.
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</paragraph>
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<paragraph id="C93F36FEFFB03310FF6CFE41BD21296B" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
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<emphasis id="FBF4EAECFFB03310FF6CFE41BD612A87" box="[199,328,440,464]" italics="true" pageId="15" pageNumber="48">Pereonite I</emphasis>
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(
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<figureCitation id="51BB2A7BFFB03310FEF7FE4EBD8B2A87" box="[348,418,439,464]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
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A) short, not fused with cephalosome but anterior margin slightly visible. Widths and lengths of pereonites II, III, and IV almost same. Pereonite II anteriorly concave. Pereonite III and IV with anterolateral lobes.
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<taxonomicName id="0E804D7DFFB03310FED1FDF9BD94294F" box="[378,445,512,536]" class="Liliopsida" family="Araceae" higherTaxonomySource="GBIF" kingdom="Plantae" order="Alismatales" pageId="15" pageNumber="48" phylum="Magnoliophyta" rank="tribe" tribe="Areae">Areae</taxonomicName>
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laterales slightly visible on pereonite V. Pereonite VII short and narrow, overlapping pleonite I.
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</paragraph>
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<paragraph id="C93F36FEFFB03310FF6CFDB1BE2729D2" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
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<emphasis id="FBF4EAECFFB03310FF6CFDB1BD7F2937" box="[199,342,584,608]" italics="true" pageId="15" pageNumber="48">Pleonite I–V</emphasis>
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(
|
||
<figureCitation id="51BB2A7BFFB03310FEC2FDBEBD872937" box="[361,430,583,608]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
A) almost equal length and narrower posteriorly, with 1 seta on lateral margin of each segment. Epimera not prominent.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFD69BE8C299B" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFD69BD1429FF" box="[199,317,656,680]" italics="true" pageId="15" pageNumber="48">Pleotelson</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEE6FD76BDB929FF" box="[333,400,655,680]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
E) almost triangular with acute apex and covered with pectinate scales. One pair of seta on dorsal surface and 1 pair of seta on distal apex.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFD21BEDD286F" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFD21BD1A29A7" box="[199,307,728,752]" italics="true" pageId="15" pageNumber="48">Mandible</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEE8FD2EBDAE29A7" box="[323,391,727,752]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
A, B, D) nipper-like shape, seems as triangular in dorsal view, half length of cephalosome. Dentate blade occupies over half length of mandible. One mandibular seta present near armed carina on mid-dorsal surface. Basal neck prominent. Erisma not prominent.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFCBDBF6D28F3" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFCBDBD10280B" box="[199,313,836,860]" italics="true" pageId="15" pageNumber="48">Antennule</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEECFCBDBDA1280B" box="[327,392,836,861]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
F) composed with 3 peduncle and 5 flagellar articles. One feather-like bristle on distal margin of peduncle article III. One feather-like bristle on flagellar article I. One aesthetasc on flagellar articles III and IV, and V, respectively. Flagellar article V terminating in 3 setae.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFC49BCC22F58" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFC49BD0C2890" box="[199,293,944,967]" italics="true" pageId="15" pageNumber="48">Antenna</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FE9EFC56BD51289F" box="[309,376,943,968]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
G) composed with 4 peduncle and 6 or 7 flagellar articles. Two and 3 feather-like bristles on peduncle III and IV, respectively. 1–3 setae on distal margins of flagellar article I, III–VI. Article VII terminates in 4 setae.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFBE5BD982F2B" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFBE5BD692F63" box="[199,320,1052,1076]" italics="true" pageId="15" pageNumber="48">Maxilliped</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEF9FBE5BDBF2F63" box="[338,406,1052,1077]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">Fig. 9</figureCitation>
|
||
A) composed with basis and 4 palps. Endite of basis reaching distal part of palp article I. Three, 7, 5, and 7 plumose setae on external margins of palp articles I–IV, respectively. Five setae on internal margin of palp article IV.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFB71BE522FBF" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFB71BD0D2FF7" box="[199,292,1160,1184]" italics="true" pageId="15" pageNumber="48">Pylopod</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FE9EFB7EBD512FF7" box="[309,376,1159,1184]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">Fig. 9</figureCitation>
|
||
B) 3-articled. Article I semicircular with posterior corner; 3 areolae visible, 27 plumose setae on internal margin, 7 setae on external margin, 6 setae on distal margin, and fine setae cover ventral surface. Article II elliptical with 4 setae. Article III minute.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFB0DBDA72E2F" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFB0DBD672E5B" box="[199,334,1268,1292]" italics="true" pageId="15" pageNumber="48">Pereopod II</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEF5FB0DBD882E5B" box="[350,417,1268,1293]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">Fig. 9</figureCitation>
|
||
C) sparsely covered with setae. Basis oblong. Ischium shorter than basis, becoming larger distally. Merus slightly shorter than ischium. Carpus slightly larger than merus with 1 projection on inner margin. Propodus rectangular, bearing 2 denticulate compound spines on inner-mid and inner-distal margins. Dactylus terminating in unguis.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFA7DBEB42EB2" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFA7DBD162ECB" box="[199,319,1412,1436]" italics="true" pageId="15" pageNumber="48">Pleopod II</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEE4FA7DBDBA2ECB" box="[335,403,1412,1437]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">Fig. 9</figureCitation>
|
||
D) with one seta on outer distal corner and coupling hook on inner margin. Both rami oval and equal in length. Appendix masculina of pleopod II extending half-length of endopod. 7–9 plumose setae on exopods. Six or 7 plumose setae on endopods.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CFA09B80A2D7A" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CFA09BD342D5F" box="[199,285,1520,1544]" italics="true" pageId="15" pageNumber="48">Uropod</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FE86FA16BD592D5F" box="[301,368,1519,1544]" captionStart="FIGURE 8" captionStartId="16.[151,250,1946,1968]" captionTargetBox="[207,1380,193,1928]" captionTargetId="figure@16.[207,1380,193,1934]" captionTargetPageId="16" captionText="FIGURE 8. Gnathia sanrikuensis Nunomura, 1998, (A, C, E; TOYA Cr- 12474), holotype (B, D, F; TOYA Cr- 12473): A, body, dorsal view; B, cephalosome, dorsal view; C, frontal process; D, cephalosome, lateral view; E, pleotelson, dorsal view; F, right antennule; G, right antenna." httpUri="https://zenodo.org/record/285223/files/figure.png" pageId="15" pageNumber="48">Fig. 8</figureCitation>
|
||
E) not extend beyond apex of pleotelson. Exopod with 5 or 6 simple and 3 or 4 plumose setae and endopod with 3 simple and 6 plumose setae, and several feather-like bristles.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CF9C0BF0C2D07" blockId="15.[151,1437,151,2013]" box="[199,805,1591,1616]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CF9C0BD232D07" box="[199,266,1593,1616]" italics="true" pageId="15" pageNumber="48">Penes</emphasis>
|
||
(
|
||
<figureCitation id="51BB2A7BFFB03310FEB2F9CEBD722D07" box="[281,347,1591,1616]" captionStart="FIGURE 9" captionStartId="17.[151,250,1953,1975]" captionTargetBox="[197,1393,193,1931]" captionTargetId="figure@17.[193,1394,193,1932]" captionTargetPageId="17" captionText="FIGURE 9. Gnathia sanrikuensis Nunomura, 1998 holotype (TOYA Cr- 12473): A, right or left maxilliped; B left pylopod, ventral view; C, right or left pereopod II, lateral view; D, left pleopod II; E, penes." httpUri="https://zenodo.org/record/285224/files/figure.png" pageId="15" pageNumber="48">Fig. 9</figureCitation>
|
||
E) composed with 2 contiguous papillae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="819A6575FFB03310FF6CF9A5BE162C8A" pageId="15" pageNumber="48" type="discussion">
|
||
<paragraph id="C93F36FEFFB03310FF6CF9A5BCDE2C7F" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
<emphasis id="FBF4EAECFFB03310FF6CF9A5BD122D22" bold="true" box="[199,315,1628,1653]" pageId="15" pageNumber="48">Remarks.</emphasis>
|
||
<taxonomicName id="0E804D7DFFB03310FEE9F9A5BE1B2D23" box="[322,562,1628,1652]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="species" species="sanrikuensis">
|
||
<emphasis id="FBF4EAECFFB03310FEE9F9A5BE1B2D23" box="[322,562,1628,1652]" italics="true" pageId="15" pageNumber="48">Gnathia sanrikuensis</emphasis>
|
||
</taxonomicName>
|
||
was originally described by Nunomura (1998). This redescription based on a
|
||
<typeStatus id="163B885CFFB03310FF3CF978BCEE2DCE" box="[151,199,1665,1689]" pageId="15" pageNumber="48">type</typeStatus>
|
||
series determined the following differences from the original description: (1) pereonite I was not described in the original description but was present in this study; (2) a smooth frontal border without setae was drawn but frontal processes with several setae were actually present; (3) the endite of the maxilliped and article III of the pylopod were not described; (4) penes were described as “relatively stout” but they were actually two contiguous papillae.
|
||
</paragraph>
|
||
<paragraph id="C93F36FEFFB03310FF6CF8CDBE162C8A" blockId="15.[151,1437,151,2013]" pageId="15" pageNumber="48">
|
||
Among all the
|
||
<taxonomicName id="0E804D7DFFB03310FEDFF8CDBDF92C1B" box="[372,464,1844,1868]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="FBF4EAECFFB03310FEDFF8CDBDF92C1B" box="[372,464,1844,1868]" italics="true" pageId="15" pageNumber="48">Gnathia</emphasis>
|
||
</taxonomicName>
|
||
species, the morphological characteristics of
|
||
<taxonomicName id="0E804D7DFFB03310FC71F8CDB8AE2C1B" box="[986,1159,1844,1868]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="species" species="sanrikuensis">
|
||
<emphasis id="FBF4EAECFFB03310FC71F8CDB8AE2C1B" box="[986,1159,1844,1868]" italics="true" pageId="15" pageNumber="48">G. sanrikuensis</emphasis>
|
||
</taxonomicName>
|
||
were most similar to
|
||
<taxonomicName id="0E804D7DFFB03310FA2FF8CDBCCB2C27" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="species" species="nasuta">
|
||
<emphasis id="FBF4EAECFFB03310FA2FF8CDBCCB2C27" italics="true" pageId="15" pageNumber="48">G. nasuta</emphasis>
|
||
</taxonomicName>
|
||
because of the nipper-shaped mandibles, three frontal processes on the central frontal border, acute apex of the pleotelson, and the pylopod was sparsely covered with fine setae. These species were separated because the paraocular ornamentation of
|
||
<taxonomicName id="0E804D7DFFB03310FE4FF858BEB82CEF" box="[484,657,1952,1976]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="species" species="sanrikuensis">
|
||
<emphasis id="FBF4EAECFFB03310FE4FF858BEB82CEF" box="[484,657,1952,1976]" italics="true" pageId="15" pageNumber="48">G. sanrikuensis</emphasis>
|
||
</taxonomicName>
|
||
was not as remarkable as that of
|
||
<taxonomicName id="0E804D7DFFB03310FBB5F858B8A22CEF" box="[1054,1163,1953,1976]" class="Malacostraca" family="Gnathiidae" genus="Gnathia" kingdom="Animalia" order="Isopoda" pageId="15" pageNumber="48" phylum="Arthropoda" rank="species" species="nasuta">
|
||
<emphasis id="FBF4EAECFFB03310FBB5F858B8A22CEF" box="[1054,1163,1953,1976]" italics="true" pageId="15" pageNumber="48">G. nasuta</emphasis>
|
||
</taxonomicName>
|
||
and the pleotelson was covered with distinct pectinate scales.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |