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<document id="C5BCF5EF72A1BE87F1593C38F0C2FF06" ID-DOI="10.11646/zootaxa.3641.3.8" ID-GBIF-Dataset="b15a52db-204e-4f43-9555-c3503b01818e" ID-ISSN="1175-5326" ID-Zenodo-Dep="224243" ID-ZooBank="27F2E507-AAEB-4B80-AA54-C062DD430DAC" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460595600353" checkinUser="plazi" docAuthor="Just, Jean" docDate="2013" docId="03C78798FFCDFFB46F957956FDDFFEAC" docLanguage="en" docName="zt03641p295.pdf" docOrigin="Zootaxa 3641 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Metopa gigas Just, 2013, sp. nov." docType="treatment" docVersion="7" lastPageNumber="294" masterDocId="FFFEFFE0FFCDFFB16F027F04FFACFF93" masterDocTitle="Metopa gigas sp. nov. from southern Greenland, a giant among congeners (Crustacea, Amphipoda, Stenothoidae)" masterLastPageNumber="295" masterPageNumber="289" pageNumber="289" updateTime="1698326731454" updateUser="plazi">
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<mods:title id="47EAC20D7F51FF5403332312D583DC47">Metopa gigas sp. nov. from southern Greenland, a giant among congeners (Crustacea, Amphipoda, Stenothoidae)</mods:title>
</mods:titleInfo>
<mods:name id="13B8B8037F7BB162C35CDF0D8946BAEA" type="personal">
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<mods:namePart id="755E2D61DE1442CF9819F65F76631382">Just, Jean</mods:namePart>
</mods:name>
<mods:typeOfResource id="BB8E579EF48754B24FAE8628DAB90361">text</mods:typeOfResource>
<mods:relatedItem id="B3D91B8C90DB0CD075C6D36E9EA67487" type="host">
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<mods:title id="39AAC19EEEC35E5BA8EFC9C86442EC82">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="189D17076896AD4B5547FA9EC47EE878">
<mods:date id="0E9BDB99FC44D37F21AAA546D87AB24E">2013</mods:date>
<mods:detail id="DC368CF511AF2B2369F84832BFC030AA" type="volume">
<mods:number id="84DF197EC83F363D9BA482AA430BF2AD">3641</mods:number>
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<mods:number id="D399FCBBFCA08DB9EA1D8D4A610B10D4">3</mods:number>
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<mods:classification id="B772C78004A6EC2899076AD7D219F6A8">journal article</mods:classification>
<mods:identifier id="D279205FA318300638288757CB7EAB7C" type="DOI">10.11646/zootaxa.3641.3.8</mods:identifier>
<mods:identifier id="E7B4C38DC4024FC8C9091D4AF8C03DB2" type="GBIF-Dataset">b15a52db-204e-4f43-9555-c3503b01818e</mods:identifier>
<mods:identifier id="1819C8335DE0130631CC758AB4569E1D" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="4C8617B3A00FF009B63B97E8422F9A48" type="Zenodo-Dep">224243</mods:identifier>
<mods:identifier id="90D2032D207832DE0EA476015DE94512" type="ZooBank">27F2E507-AAEB-4B80-AA54-C062DD430DAC</mods:identifier>
</mods:mods>
<treatment id="03C78798FFCDFFB46F957956FDDFFEAC" ID-DOI="http://doi.org/10.5281/zenodo.6160469" ID-GBIF-Taxon="119566507" ID-Zenodo-Dep="6160469" LSID="urn:lsid:plazi:treatment:03C78798FFCDFFB46F957956FDDFFEAC" httpUri="http://treatment.plazi.org/id/03C78798FFCDFFB46F957956FDDFFEAC" lastPageId="5" lastPageNumber="294" pageId="0" pageNumber="289">
<subSubSection id="C3746505FFCDFFB16F957956FF54F91E" pageId="0" pageNumber="289" type="nomenclature">
<paragraph id="8BD1368EFFCDFFB16F957956FE32F9FF" blockId="0.[151,414,1618,1677]" box="[151,414,1618,1644]" pageId="0" pageNumber="289">
<heading id="D09981E2FFCDFFB16F957956FE32F9FF" bold="true" box="[151,414,1618,1644]" fontSize="11" level="1" pageId="0" pageNumber="289" reason="1">
<emphasis id="B91AEA9CFFCDFFB16F957956FE32F9FF" bold="true" box="[151,414,1618,1644]" pageId="0" pageNumber="289">
<taxonomicName id="4C6E4D0DFFCDFFB16F957956FE95F9FF" ID-CoL="8PMW7" box="[151,313,1618,1644]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="0" pageNumber="289" phylum="Arthropoda" rank="species" species="gigas" status="sp. nov.">
<emphasis id="B91AEA9CFFCDFFB16F957956FE95F9FF" bold="true" box="[151,313,1618,1644]" italics="true" pageId="0" pageNumber="289">Metopa gigas</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22957E7FFCDFFB16E427956FE32F9FF" box="[320,414,1618,1644]" pageId="0" pageNumber="289" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BD1368EFFCDFFB16F957971FF54F91E" blockId="0.[151,414,1618,1677]" box="[151,248,1653,1677]" pageId="0" pageNumber="289">
<figureCitation id="13552A0BFFCDFFB16F957971FF54F91E" box="[151,248,1653,1677]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="2.[151,250,1926,1949]" captionStartId-1="3.[151,250,1791,1814]" captionStartId-2="4.[151,250,1780,1803]" captionStartId-3="5.[151,250,1629,1652]" captionTargetBox-0="[182,1405,313,1887]" captionTargetBox-1="[181,1398,221,1744]" captionTargetBox-2="[179,1417,228,1743]" captionTargetBox-3="[187,1411,392,1589]" captionTargetId-0="figure@2.[170,1417,301,1905]" captionTargetId-1="figure@3.[170,1417,193,1770]" captionTargetId-2="figure@4.[170,1417,193,1749]" captionTargetId-3="figure@5.[170,1417,375,1607]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="FIGURE 1. Metopa gigas sp. nov. Holotype, Ƥ. c lv, head lateral view; gp 1, gnathopod 1; gp 2, gnathopod 2; l, left; lv, lateral view; mv, medial view. Habitus scale: 5 mm." captionText-1="FIGURE 2. Metopa gigas sp. nov. Holotype, Ƥ. l, left; md mv, mandible medial view; mx 1 and 2, maxilla 1 and 2; mxp, maxilliped (reduced size compared with other mouthparts)." captionText-2="FIGURE 3. Metopa gigas sp. nov. Holotype, Ƥ. p 3 p 7, pereopods 3 7." captionText-3="FIGURE 4. Metopa gigas sp. nov. Holotype, Ƥ. up 1 up 3, uropods 1 3; us, urosome; tel, telson." httpUri-0="https://zenodo.org/record/224244/files/figure.png" httpUri-1="https://zenodo.org/record/224245/files/figure.png" httpUri-2="https://zenodo.org/record/224246/files/figure.png" httpUri-3="https://zenodo.org/record/224247/files/figure.png" pageId="0" pageNumber="289">Figs 14</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFCDFFB16F9579B9FD3EF946" box="[151,658,1725,1750]" pageId="0" pageNumber="289" type="materials_examined">
<paragraph id="8BD1368EFFCDFFB16F9579B9FD3EF946" blockId="0.[151,1436,1725,2038]" box="[151,658,1725,1750]" pageId="0" pageNumber="289">
<emphasis id="B91AEA9CFFCDFFB16F9579B9FE98F945" bold="true" box="[151,308,1725,1750]" pageId="0" pageNumber="289">
<typeStatus id="54D5882CFFCDFFB16F9579B9FF7EF946" box="[151,210,1725,1749]" pageId="0" pageNumber="289">Type</typeStatus>
fixation
</emphasis>
.
<typeStatus id="54D5882CFFCDFFB16E4079B9FE01F946" box="[322,429,1725,1749]" pageId="0" pageNumber="289" type="holotype">Holotype</typeStatus>
, ♀, here designated.
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFCDFFB16FCB79E6FCA1F96A" box="[201,781,1761,1786]" pageId="0" pageNumber="289" type="etymology">
<paragraph id="8BD1368EFFCDFFB16FCB79E6FCA1F96A" blockId="0.[151,1436,1725,2038]" box="[201,781,1761,1786]" pageId="0" pageNumber="289">
<emphasis id="B91AEA9CFFCDFFB16FCB79E6FEE4F969" bold="true" box="[201,328,1762,1786]" pageId="0" pageNumber="289">Etymology</emphasis>
. The epithet is the Latin noun for Giant.
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFCDFFB06FCB7801FD89FE5C" lastPageId="1" lastPageNumber="290" pageId="0" pageNumber="289" type="materials_examined">
<paragraph id="8BD1368EFFCDFFB16FCB7801FC76F8D2" blockId="0.[151,1436,1725,2038]" pageId="0" pageNumber="289">
<emphasis id="B91AEA9CFFCDFFB16FCB7801FE00F88D" bold="true" box="[201,428,1797,1822]" pageId="0" pageNumber="289">Material examined</emphasis>
.
<emphasis id="B91AEA9CFFCDFFB16EB97801FD8DF88E" box="[443,545,1797,1821]" italics="true" pageId="0" pageNumber="289">
<typeStatus id="54D5882CFFCDFFB16EB97801FD8DF88E" box="[443,545,1797,1821]" pageId="0" pageNumber="289" type="holotype">Holotype</typeStatus>
</emphasis>
, ♀, 19.0 mm, West
<collectingCountry id="F379761EFFCDFFB16C047801FCD1F88E" box="[774,893,1797,1821]" name="Greenland" pageId="0" pageNumber="289">Greenland</collectingCountry>
, Godthaabsfjord [Kugssukfjord], approximately 64°N 52°W, ca.
<quantity id="4C969B6BFFCDFFB16E4F782DFE3AF8D2" box="[333,406,1833,1857]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="0" pageNumber="289" unit="m" value="300.0">300 m</quantity>
,
<emphasis id="B91AEA9CFFCDFFB16EA9782DFE59F8D2" box="[427,501,1833,1857]" italics="true" pageId="0" pageNumber="289">Tjalfe</emphasis>
stn 52,
<date id="FFD0104EFFCDFFB16D4C782DFDC6F8D2" box="[590,618,1833,1857]" pageId="0" pageNumber="289" value="1908-06-15">15</date>
June 1908, ZMUC CRU-20522.
</paragraph>
<paragraph id="8BD1368EFFCDFFB06FCB784AFD89FE5C" blockId="0.[151,1436,1725,2038]" lastBlockId="1.[151,1437,151,2013]" lastPageId="1" lastPageNumber="290" pageId="0" pageNumber="289">
<emphasis id="B91AEA9CFFCDFFB16FCB784AFE97F8F6" box="[201,315,1870,1893]" italics="true" pageId="0" pageNumber="289">
<typeStatus id="54D5882CFFCDFFB16FCB784AFE97F8F6" box="[201,315,1870,1893]" pageId="0" pageNumber="289" type="paratype">Paratypes</typeStatus>
</emphasis>
. Same data as
<typeStatus id="54D5882CFFCDFFB16D197849FD2CF8F6" box="[539,640,1869,1893]" pageId="0" pageNumber="289" type="holotype">holotype</typeStatus>
, ZMUC CRU-20523 (
<specimenCount id="9D68FD07FFCDFFB16CA47849FBE3F8F6" box="[934,1103,1869,1893]" pageId="0" pageNumber="289" type="generic">15 specimens</specimenCount>
, juveniles and immature).
<emphasis id="B91AEA9CFFCDFFB16F957875FE69F819" bold="true" box="[151,453,1905,1930]" pageId="0" pageNumber="289">
Southernmost
<collectingCountry id="F379761EFFCDFFB16E447875FE69F819" box="[326,453,1905,1930]" name="Greenland" pageId="0" pageNumber="289">Greenland</collectingCountry>
</emphasis>
: S of Akuliaruseq,
<geoCoordinate id="EE5A5049FFCDFFB16D9C7875FCB9F81A" box="[670,789,1905,1929]" direction="north" orientation="latitude" pageId="0" pageNumber="289" precision="92" value="60.143333">60°08.6N</geoCoordinate>
<geoCoordinate id="EE5A5049FFCDFFB16C197875FC3BF81A" box="[795,919,1905,1929]" direction="west" orientation="longitude" pageId="0" pageNumber="289" precision="92" value="-44.178333">44°10.7W</geoCoordinate>
, 400
<quantity id="4C969B6BFFCDFFB16CD97875FB8FF81A" box="[987,1059,1905,1929]" metricMagnitude="2" metricUnit="m" metricValue="2.5" pageId="0" pageNumber="289" unit="m" value="250.0">250 m</quantity>
, rectangular dredge on steep rock face with hydroids, Kap Farvel Expedition, stn 103,
<date id="FFD0104EFFCDFFB16DF97891FCBBF83E" box="[763,791,1941,1965]" pageId="0" pageNumber="289" value="1970-08-17">17</date>
August 1970, ZMUC CRU-20524 (1 ♀, 23 immature). Southernmost island in Toqulineq,
<geoCoordinate id="EE5A5049FFCDFFB16D1C78BDFD3FF842" box="[542,659,1977,2001]" direction="north" orientation="latitude" pageId="0" pageNumber="289" precision="92" value="60.075">60°04.5N</geoCoordinate>
<geoCoordinate id="EE5A5049FFCDFFB16D9878BDFCBAF842" box="[666,790,1977,2001]" direction="west" orientation="longitude" pageId="0" pageNumber="289" precision="92" value="-43.045">43°02.7W</geoCoordinate>
,
<quantity id="4C969B6BFFCDFFB16C2378BDFCC6F842" box="[801,874,1977,2001]" metricMagnitude="2" metricUnit="m" metricValue="2.4" pageId="0" pageNumber="289" unit="m" value="240.0">240 m</quantity>
, stones, gravel, clay, Bryozoa, rectangular dredge, Kap Farvel Expedition, stn 136,
<date id="FFD0104EFFCDFFB16D0878D9FD8AF866" box="[522,550,2013,2037]" pageId="0" pageNumber="289" value="1970-08-25">25</date>
August 1970, ZMUC CRU-20525 (1
<docIssue id="CF0D4961FFCDFFB16CDA78D9FC41F866" box="[984,1005,2013,2037]" pageId="0" pageNumber="289">3</docIssue>
, 19.1 mm). Off Sydprøven [Alluitsup Paa],
<geoCoordinate id="EE5A5049FFCCFFB06FDE7F93FE90FF3C" box="[220,316,151,175]" direction="north" orientation="latitude" pageId="1" pageNumber="290" precision="925" value="60.333332">60°20N</geoCoordinate>
<geoCoordinate id="EE5A5049FFCCFFB06E4B7F93FE1CFF3C" box="[329,432,151,175]" direction="west" orientation="longitude" pageId="1" pageNumber="290" precision="925" value="-47.45">47°27W</geoCoordinate>
,
<quantity id="4C969B6BFFCCFFB06EC37F93FDA3FF3C" box="[449,527,151,175]" metricMagnitude="2" metricUnit="m" metricValue="1.2" pageId="1" pageNumber="290" unit="m" value="120.0">120 m</quantity>
, on Hydroida, ottertrawl,
<emphasis id="B91AEA9CFFCCFFB06C4D7F9CFC64FF23" box="[847,968,152,176]" italics="true" pageId="1" pageNumber="290">Godthaab</emphasis>
Expedition, stn 188,
<date id="FFD0104EFFCCFFB06BCC7F93FB46FF3C" box="[1230,1258,151,175]" pageId="1" pageNumber="290" value="1928-10-10">10</date>
October 1928, ZMUC CRU-20526 (
<specimenCount id="9D68FD07FFCCFFB06E957FB8FD8FFF47" box="[407,547,188,212]" pageId="1" pageNumber="290" type="generic">1 specimen</specimenCount>
*).
<emphasis id="B91AEA9CFFCCFFB06D457FB8FCA5FF47" bold="true" box="[583,777,187,212]" pageId="1" pageNumber="290">
East
<collectingCountry id="F379761EFFCCFFB06D887FBFFCA5FF47" box="[650,777,187,212]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
</emphasis>
: Scoresby Sund, Stewart Land,
<geoCoordinate id="EE5A5049FFCCFFB06B917FB8FB5BFF47" box="[1171,1271,188,212]" direction="north" orientation="latitude" pageId="1" pageNumber="290" precision="925" value="70.5">70°30N</geoCoordinate>
,
<quantity id="4C969B6BFFCCFFB06A0B7FB8FAF5FF47" box="[1289,1369,188,212]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="1" pageNumber="290" unit="m" value="300.0">300 m</quantity>
, East
<collectingCountry id="F379761EFFCCFFB06F957FDBFEA0FF64" box="[151,268,223,247]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
Expedition 1900,
<date id="FFD0104EFFCCFFB06EDE7FDBFE54FF64" box="[476,504,223,247]" pageId="1" pageNumber="290" value="1900-07-29">29</date>
July 1900, ZMUC CRU-20527 (
<specimenCount id="9D68FD07FFCCFFB06C727FDBFC5AFF64" box="[880,1014,223,247]" pageId="1" pageNumber="290" type="generic">1 specimen</specimenCount>
*). Scoresby Sund, Kap (Cape) Tobin,
<geoCoordinate id="EE5A5049FFCCFFB06F957E00FF5BFE8F" box="[151,247,260,284]" direction="north" orientation="latitude" pageId="1" pageNumber="290" precision="925" value="70.36667">70°22N</geoCoordinate>
<geoCoordinate id="EE5A5049FFCCFFB06E037E00FEC4FE8F" box="[257,360,260,284]" direction="west" orientation="longitude" pageId="1" pageNumber="290" precision="925" value="-22.083334">22°05W</geoCoordinate>
,
<quantity id="4C969B6BFFCCFFB06E747E00FE6DFE8F" box="[374,449,260,284]" metricMagnitude="2" metricUnit="m" metricValue="1.08" pageId="1" pageNumber="290" unit="m" value="108.0">108 m</quantity>
, stones, East
<collectingCountry id="F379761EFFCCFFB06D5D7E00FD78FE8F" box="[607,724,260,284]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
Expedition 1900,
<date id="FFD0104EFFCCFFB06CA87E00FC6AFE8F" box="[938,966,260,284]" pageId="1" pageNumber="290" value="1900-08-21">21</date>
August 1900, ZMUC CRU-20528 (1 3, 19.2 mm, 3 immature*). East
<collectingCountry id="F379761EFFCCFFB06EEF7E23FDCDFEAC" box="[493,609,295,319]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
Expedition 1900, (no further data, but presumably Scoresby Sund area), ZMUC CRU-20529 (1 immature*). East
<collectingCountry id="F379761EFFCCFFB06D727E48FD49FEF7" box="[624,741,332,356]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
Expedition 1900, (no further data, but presumably Scoresby Sund area), ZMUC CRU-20530 (1 immature*).
<emphasis id="B91AEA9CFFCCFFB06DC37E74FC29FE1B" bold="true" box="[705,901,367,392]" pageId="1" pageNumber="290">
West
<collectingCountry id="F379761EFFCCFFB06C047E6BFC29FE1B" box="[774,901,367,392]" name="Greenland" pageId="1" pageNumber="290">Greenland</collectingCountry>
</emphasis>
: Nordre Strømfjord, ca.
<quantity id="4C969B6BFFCCFFB06BA07E6BFB47FE14" box="[1186,1259,367,391]" metricMagnitude="4" metricUnit="m" metricValue="3.0" pageId="1" pageNumber="290" unit="km" value="30.0">30 km</quantity>
from mouth of fjord, N of Holsteinsborg [Sisimiut], approximately
<geoCoordinate id="EE5A5049FFCCFFB06DE97E90FCE1FE3F" box="[747,845,404,428]" direction="north" orientation="latitude" pageId="1" pageNumber="290" precision="925" value="67.5">67°30N</geoCoordinate>
<geoCoordinate id="EE5A5049FFCCFFB06C577E90FC10FE3F" box="[853,956,404,428]" direction="west" orientation="longitude" pageId="1" pageNumber="290" precision="925" value="-53.5">53°30W</geoCoordinate>
,
<quantity id="4C969B6BFFCCFFB06CC87E90FBE1FE3F" box="[970,1101,404,428]" metricMagnitude="2" metricUnit="m" metricValue="2.2" metricValueMax="2.4" metricValueMin="2.0" pageId="1" pageNumber="290" unit="m" value="220.0" valueMax="240.0" valueMin="200.0">200240 m</quantity>
, V. Nordmann, 1911, stn 3C, ZMUC CRU-20531 (
<specimenCount id="9D68FD07FFCCFFB06E8B7EB3FDA3FE5C" box="[393,527,439,463]" pageId="1" pageNumber="290" type="generic">1 specimen</specimenCount>
*).
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFCCFFB56FCB7ED9FC81F801" lastPageId="4" lastPageNumber="293" pageId="1" pageNumber="290" type="description">
<paragraph id="8BD1368EFFCCFFB06FCB7ED9FE19FD84" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FCB7ED9FF52FE67" box="[201,254,477,500]" italics="true" pageId="1" pageNumber="290">Note</emphasis>
. Specimens in the ZMUC collections here marked * were reported as
<taxonomicName id="4C6E4D0DFFCCFFB06B6D7ED9FADDFE67" authority="(Kr)" baseAuthorityName="Kr" box="[1135,1393,476,500]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="1" pageNumber="290" phylum="Arthropoda" rank="species" species="clypeata">
<emphasis id="B91AEA9CFFCCFFB06B6D7ED9FA9EFE67" box="[1135,1330,476,500]" italics="true" pageId="1" pageNumber="290">Metopa clypeata</emphasis>
(Kr)
</taxonomicName>
by Stephensen (1931, 1944).
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FCB7D27FB0CFD34" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FCB7D27FEF8FDAF" bold="true" box="[201,340,547,572]" pageId="1" pageNumber="290">Description</emphasis>
. (Based on
<typeStatus id="54D5882CFFCCFFB06EE07D20FDE5FDAF" box="[482,585,548,572]" pageId="1" pageNumber="290" type="holotype">holotype</typeStatus>
).
<emphasis id="B91AEA9CFFCCFFB06D5C7D20FD37FDAF" box="[606,667,548,572]" italics="true" pageId="1" pageNumber="290">Head</emphasis>
length (tip of rostrum to pereonite 1) as pereonite 1 and half of 2 combined;
<emphasis id="B91AEA9CFFCCFFB06E167D4CFE4EFDF3" box="[276,482,584,608]" italics="true" pageId="1" pageNumber="290">interantennal lobe</emphasis>
strongly projecting, broadly rounded;
<emphasis id="B91AEA9CFFCCFFB06C937D4DFC6DFDF3" box="[913,961,585,608]" italics="true" pageId="1" pageNumber="290">eyes</emphasis>
small, round, occupying approximately 1/ 3 of head length level with eye;
<emphasis id="B91AEA9CFFCCFFB06D0D7D68FDE4FD17" box="[527,584,620,644]" italics="true" pageId="1" pageNumber="290">frons</emphasis>
projection below the rostrum in a right angled blunt triangle between eye lobes, widely separated from irregularly rounded
<emphasis id="B91AEA9CFFCCFFB06DC37D95FC88FD3B" box="[705,804,657,680]" italics="true" pageId="1" pageNumber="290">epistome</emphasis>
projecting well beyond upper lip.
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC57DB1FCA3FCA4" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC57DB1FE92FD5F" box="[199,318,693,716]" italics="true" pageId="1" pageNumber="290">Pereonites</emphasis>
dorsally with low, broad saddle in posterior half, weak in 1 and 2, increasingly more pronounced in more posterior pereonites; pleonites with similar saddle. Pereonites 14 increasing in length, 57 of equal length, all slightly shorter than 4. Pleonites 13 of subequal length, all about as long as pereonite 7;
<emphasis id="B91AEA9CFFCCFFB06A107DF8FF63FCAB" italics="true" pageId="1" pageNumber="290">pleonal side plate</emphasis>
1 ventrally rounded, 2 and 3 rectangularly pointed.
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC57C40FEDEFC37" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">Coxal plate 2 roundedly pointed apex, with weak concavity posterodistally; plate 3 evenly convex distally; plate 4 as long as pereonites 25 combined along their ventral margins, 1.8 longer than mid depth; plates 5 and 6 with posterior lobe.</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC57CB4FE41FBA7" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC57CB4FE95FC5B" box="[199,313,944,968]" italics="true" pageId="1" pageNumber="290">Antenna 1</emphasis>
as long as head, pereonites and pleonites 1 and 2 combined along dorsal curvature; peduncle articles 1 and 2 of equal length; flagellum of 36 articles, each with 2 short aesthetascs.
<emphasis id="B91AEA9CFFCCFFB06B5A7CD0FB63FC7F" box="[1112,1231,980,1004]" italics="true" pageId="1" pageNumber="290">Antenna 2</emphasis>
as long as head, pereonites 15 and half of 6 combined, peduncle articles 4 and 5 of equal length, flagellum 4/5 length of peduncle article 5, with about 11 article.
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC57B44FDD7FAA3" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC57B44FECEFBCB" box="[199,354,1088,1112]" italics="true" pageId="1" pageNumber="290">Left mandible</emphasis>
lacinia mobilis serrate, nearly as broad as equally serrate incisor; body medially with ridge and low hump; palp of 1 article (probably damaged; see Remarks below).
<emphasis id="B91AEA9CFFCCFFB06CCB7B60FBD5FBEF" box="[969,1145,1124,1148]" italics="true" pageId="1" pageNumber="290">Right mandible</emphasis>
incisor as in left; lacinia composed of 2 separate flattened setae; body medially with low hump carrying 5 short, stiff setae; palp of 2 articles, article 1 elongate with lateral row of simple setae; article 2 about 1/5 length of 1, with a few terminal setae.
<emphasis id="B91AEA9CFFCCFFB06F957BD4FEAFFB7B" box="[151,259,1232,1256]" italics="true" pageId="1" pageNumber="290">Maxilla 1</emphasis>
palp with row of 11 robust setae in distal half of medial margin and apically, distal surface with cover of small setae and setules; outer lobe with 7 smooth spine-setae.
<emphasis id="B91AEA9CFFCCFFB06C5D7BF0FC75FA9F" box="[863,985,1268,1292]" italics="true" pageId="1" pageNumber="290">Maxilliped</emphasis>
outer plate vestigial; inner plates fused with apical notch and small marginal setae.
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC57A38FAFCF9BF" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC57A38FECCFAC7" box="[199,352,1340,1364]" italics="true" pageId="1" pageNumber="290">Gnathopod 1</emphasis>
slender, merus projecting under carpus; carpus elongate, about twice as long as propodus, densely setose along posterior margin; propodus simple; dactylus short, with row of setae on posterior margin.
<emphasis id="B91AEA9CFFCCFFB06F957A80FE9CFA0F" box="[151,304,1412,1436]" italics="true" pageId="1" pageNumber="290">Gnathopod 2</emphasis>
merus in lateral view with acutely pointed projection covering entire carpus and about 1/5 of propodus, with transverse rows of small robust setae along posterior margin, in medial view with rounded dorsal lobe with a few small robust setae; carpus dorsal margin with row of stridulating knobs, in medial view with anterodorsal acute projection, posterior lobe with fringe of simple setae; propodus as long as basis, slightly widening distally, palm convexly transverse, crenulated, posteriorly defined by deep notch and strong tooth.
</paragraph>
<paragraph id="8BD1368EFFCCFFB06FC5793CFEB6F897" blockId="1.[151,1437,151,2013]" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC5793CFEE5F9C3" box="[199,329,1592,1616]" italics="true" pageId="1" pageNumber="290">Pereopod 3</emphasis>
thin, slightly longer than 4, with short simple setae only.
<emphasis id="B91AEA9CFFCCFFB06CDA793CFBF6F9C3" box="[984,1114,1592,1616]" italics="true" pageId="1" pageNumber="290">Pereopod 4</emphasis>
robust, posterior margins of merus, carpus and propodus with a few transverse rows of small robust setae.
<emphasis id="B91AEA9CFFCCFFB06CF87958FBD7F9E7" box="[1018,1147,1628,1652]" italics="true" pageId="1" pageNumber="290">Pereopod 5</emphasis>
basis rectilinear with row of long simple setae in proximal half of anterior margin; merus, carpus and propodus anterior margin with several transverse rows of small robust setae.
<emphasis id="B91AEA9CFFCCFFB06D3C79A0FD49F92F" box="[574,741,1700,1724]" italics="true" pageId="1" pageNumber="290">Pereopods 67</emphasis>
basis posteriorly broadly expanded, basis of 6 anterior margin with row of small robust setae, of 7 with a few simple setae; merus, carpus and propodus of both armed as in pereopod 5.
</paragraph>
<paragraph id="8BD1368EFFCCFFB36FC57814FF5DFF64" blockId="1.[151,1437,151,2013]" lastBlockId="2.[151,1436,151,247]" lastPageId="2" lastPageNumber="291" pageId="1" pageNumber="290">
<emphasis id="B91AEA9CFFCCFFB06FC57814FE96F8BB" box="[199,314,1808,1832]" italics="true" pageId="1" pageNumber="290">Uropod 1</emphasis>
peduncle slightly longer than urosomite 1, dorsolateral margin with about 21 robust setae, dorsomedial margin with 7 robust setae; outer ramus 0.8 length of peduncle, with 4 dorsal robust setae, inner ramus as long as outer, smooth, both up-curved distally.
<emphasis id="B91AEA9CFFCCFFB06DC6785CFC83F8E3" box="[708,815,1880,1904]" italics="true" pageId="1" pageNumber="290">Uropod 2</emphasis>
peduncle 0.8 length of uropod 1 peduncle, dorsolateral margin with 10 robust setae, dorsomedial margin with a few scattered robust setae; outer ramus 0.75 length of peduncle, slightly up-curved, dorsolaterally with 3 robust setae; inner ramus as long as peduncle, smooth, slightly up-curved distally.
<emphasis id="B91AEA9CFFCCFFB06E7678C0FE4EF84F" box="[372,482,1988,2012]" italics="true" pageId="1" pageNumber="290">Uropod 3</emphasis>
peduncle 2.8 times longer than greatest lateral width, dorsolaterally with 4 robust setae, subequal in length to uropod 2 peduncle, with dorsoapical projection; article 1 of ramus about 2/3 length of peduncle, with dorsoapical group of small robust setae; article 2 of ramus about 4/5 length of article 1, tapering, smooth.
</paragraph>
<caption id="DF116606FFCFFFB36F957882FDCCF828" httpUri="https://zenodo.org/record/224244/files/figure.png" pageId="2" pageNumber="291" targetBox="[182,1405,313,1887]" targetPageId="2">
<paragraph id="8BD1368EFFCFFFB36F957882FDCCF828" blockId="2.[151,1436,1926,1979]" pageId="2" pageNumber="291">
<emphasis id="B91AEA9CFFCFFFB36F957882FEA0F80F" bold="true" box="[151,268,1926,1949]" pageId="2" pageNumber="291">FIGURE 1</emphasis>
.
<taxonomicName id="4C6E4D0DFFCFFFB36E1B788CFE08F80E" box="[281,420,1928,1949]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="291" phylum="Arthropoda" rank="species" species="gigas" status="sp. nov.">
<emphasis id="B91AEA9CFFCFFFB36E1B788CFE08F80E" box="[281,420,1928,1949]" italics="true" pageId="2" pageNumber="291">Metopa gigas</emphasis>
</taxonomicName>
<emphasis id="B91AEA9CFFCFFFB36EA97883FE50F80F" bold="true" box="[427,508,1927,1948]" pageId="2" pageNumber="291">
<taxonomicNameLabel id="A22957E7FFCFFFB36EA97883FE50F80F" box="[427,508,1927,1948]" pageId="2" pageNumber="291" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, Ƥ.
<emphasis id="B91AEA9CFFCFFFB36D8C7883FD1EF80F" bold="true" box="[654,690,1927,1948]" pageId="2" pageNumber="291">c lv</emphasis>
, head lateral view;
<emphasis id="B91AEA9CFFCFFFB36C787883FC0DF80F" bold="true" box="[890,929,1927,1948]" pageId="2" pageNumber="291">gp1</emphasis>
, gnathopod 1;
<emphasis id="B91AEA9CFFCFFFB36B387883FBCDF80F" bold="true" box="[1082,1121,1927,1948]" pageId="2" pageNumber="291">gp2</emphasis>
, gnathopod 2;
<emphasis id="B91AEA9CFFCFFFB36BF87883FAADF80F" bold="true" box="[1274,1281,1927,1948]" pageId="2" pageNumber="291">l</emphasis>
, left;
<emphasis id="B91AEA9CFFCFFFB36A3F7883FAE3F80F" bold="true" box="[1341,1359,1927,1948]" pageId="2" pageNumber="291">lv</emphasis>
, lateral view;
<emphasis id="B91AEA9CFFCFFFB36FD778A2FF59F828" bold="true" box="[213,245,1958,1979]" pageId="2" pageNumber="291">mv</emphasis>
, medial view. Habitus scale: 5 mm.
</paragraph>
</caption>
<caption id="DF116606FFCEFFB26F9579FBFD43F8A7" httpUri="https://zenodo.org/record/224245/files/figure.png" pageId="3" pageNumber="292" targetBox="[181,1398,221,1744]" targetPageId="3">
<paragraph id="8BD1368EFFCEFFB26F9579FBFD43F8A7" blockId="3.[151,1435,1791,1844]" pageId="3" pageNumber="292">
<emphasis id="B91AEA9CFFCEFFB26F9579FBFEA2F886" bold="true" box="[151,270,1791,1814]" pageId="3" pageNumber="292">FIGURE 2</emphasis>
.
<taxonomicName id="4C6E4D0DFFCEFFB26E1F7805FE05F885" box="[285,425,1793,1814]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="292" phylum="Arthropoda" rank="species" species="gigas" status="sp. nov.">
<emphasis id="B91AEA9CFFCEFFB26E1F7805FE05F885" box="[285,425,1793,1814]" italics="true" pageId="3" pageNumber="292">Metopa gigas</emphasis>
</taxonomicName>
<emphasis id="B91AEA9CFFCEFFB26EB07804FDA8F886" bold="true" box="[434,516,1792,1813]" pageId="3" pageNumber="292">
<taxonomicNameLabel id="A22957E7FFCEFFB26EB07804FDA8F886" box="[434,516,1792,1813]" pageId="3" pageNumber="292" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, Ƥ.
<emphasis id="B91AEA9CFFCEFFB26D997804FD0EF886" bold="true" box="[667,674,1792,1813]" pageId="3" pageNumber="292">l</emphasis>
, left;
<emphasis id="B91AEA9CFFCEFFB26DE07804FC81F886" bold="true" box="[738,813,1792,1813]" pageId="3" pageNumber="292">md mv</emphasis>
, mandible medial view;
<emphasis id="B91AEA9CFFCEFFB26B337804FB09F886" bold="true" box="[1073,1189,1792,1813]" pageId="3" pageNumber="292">mx1 and 2</emphasis>
, maxilla 1 and 2;
<emphasis id="B91AEA9CFFCEFFB26A647804FA3AF886" bold="true" box="[1382,1430,1792,1813]" pageId="3" pageNumber="292">mxp</emphasis>
, maxilliped (reduced size compared with other mouthparts).
</paragraph>
</caption>
<caption id="DF116606FFC9FFB56F9579F0FCDEF899" box="[151,882,1780,1803]" httpUri="https://zenodo.org/record/224246/files/figure.png" pageId="4" pageNumber="293" targetBox="[179,1417,228,1743]" targetPageId="4">
<paragraph id="8BD1368EFFC9FFB56F9579F0FCDEF899" blockId="4.[151,882,1780,1803]" box="[151,882,1780,1803]" pageId="4" pageNumber="293">
<emphasis id="B91AEA9CFFC9FFB56F9579F0FEBEF899" bold="true" box="[151,274,1780,1803]" pageId="4" pageNumber="293">FIGURE 3.</emphasis>
<taxonomicName id="4C6E4D0DFFC9FFB56E1B79F2FE0FF898" box="[281,419,1782,1803]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="293" phylum="Arthropoda" rank="species" species="gigas" status="sp. nov.">
<emphasis id="B91AEA9CFFC9FFB56E1B79F2FE0FF898" box="[281,419,1782,1803]" italics="true" pageId="4" pageNumber="293">Metopa gigas</emphasis>
</taxonomicName>
<emphasis id="B91AEA9CFFC9FFB56EA879F1FE56F899" bold="true" box="[426,506,1781,1802]" pageId="4" pageNumber="293">
<taxonomicNameLabel id="A22957E7FFC9FFB56EA879F1FE56F899" box="[426,506,1781,1802]" pageId="4" pageNumber="293" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, Ƥ. p3p7, pereopods 37.
</paragraph>
</caption>
<paragraph id="8BD1368EFFC9FFB56FC57836FE67F8FD" blockId="4.[151,1436,1842,2010]" pageId="4" pageNumber="293">
<emphasis id="B91AEA9CFFC9FFB56FC57836FEA1F8D9" box="[199,269,1842,1866]" italics="true" pageId="4" pageNumber="293">Telson</emphasis>
oval, slightly broader in distal half, with 2 blunt robust setae each side in proximal half, single simple seta each side in distal half.
</paragraph>
<paragraph id="8BD1368EFFC9FFB56FC5787DFC81F801" blockId="4.[151,1436,1842,2010]" box="[199,813,1913,1939]" pageId="4" pageNumber="293">
<emphasis id="B91AEA9CFFC9FFB56FC5787DFF5BF801" bold="true" box="[199,247,1913,1938]" pageId="4" pageNumber="293">Size</emphasis>
. Largest male, 19.2 mm; largest female, 19.1 mm.
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFC9FFB56FC5789AFA39F825" box="[199,1429,1950,1975]" pageId="4" pageNumber="293" type="distribution">
<paragraph id="8BD1368EFFC9FFB56FC5789AFA39F825" blockId="4.[151,1436,1842,2010]" box="[199,1429,1950,1975]" pageId="4" pageNumber="293">
<emphasis id="B91AEA9CFFC9FFB56FC5789AFEF4F824" bold="true" box="[199,344,1950,1975]" pageId="4" pageNumber="293">Distribution</emphasis>
. Southern
<collectingCountry id="F379761EFFC9FFB56ED2789AFDEAF825" box="[464,582,1950,1974]" name="Greenland" pageId="4" pageNumber="293">Greenland</collectingCountry>
, south of approximately 70°N on the west- as well as east coast;
<quantity id="4C969B6BFFC9FFB56A13789AFA3EF825" box="[1297,1426,1950,1974]" metricMagnitude="2" metricUnit="m" metricValue="2.6" metricValueMax="4.0" metricValueMin="1.2" pageId="4" pageNumber="293" unit="m" value="260.0" valueMax="400.0" valueMin="120.0">
120
<specimenCount id="9D68FD07FFC9FFB56A45789AFA3EF825" box="[1351,1426,1950,1974]" pageId="4" pageNumber="293" type="generic">400 m</specimenCount>
</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C3746505FFC9FFB46FCB78C6FDDFFEAC" lastPageId="5" lastPageNumber="294" pageId="4" pageNumber="293" type="discussion">
<paragraph id="8BD1368EFFC9FFB46FCB78C6FC88FF47" blockId="4.[151,1436,1842,2010]" lastBlockId="5.[151,1436,151,319]" lastPageId="5" lastPageNumber="294" pageId="4" pageNumber="293">
<emphasis id="B91AEA9CFFC9FFB56FCB78C6FE91F849" bold="true" box="[201,317,1986,2010]" pageId="4" pageNumber="293">Remarks.</emphasis>
Males are similar to females. Immature specimens of about
<quantity id="4C969B6BFFC9FFB56B0778C6FBE6F849" box="[1029,1098,1986,2010]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="4" pageNumber="293" unit="mm" value="8.0">8 mm</quantity>
and juveniles of
<quantity id="4C969B6BFFC9FFB56A1A78C6FAF1F849" box="[1304,1373,1986,2010]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="4" pageNumber="293" unit="mm" value="5.0">5 mm</quantity>
have antenna 1 as long relative to the body as in adults. Immature specimens have small dorsal saddles, while juveniles have only a small rounded bump at the presumptive place.
</paragraph>
<paragraph id="8BD1368EFFC8FFB46FCB7FDBFDDFFEAC" blockId="5.[151,1436,151,319]" pageId="5" pageNumber="294">
The palp of the left mandible in the large male from Kap Tobin (CRU-20528) is similar to the right one in the
<typeStatus id="54D5882CFFC8FFB46F957E00FF55FE8F" box="[151,249,260,284]" pageId="5" pageNumber="294" type="holotype">holotype</typeStatus>
(
<figureCitation id="13552A0BFFC8FFB46E057E00FEE5FE8F" box="[263,329,260,284]" captionStart="FIGURE 2" captionStartId="3.[151,250,1791,1814]" captionTargetBox="[181,1398,221,1744]" captionTargetId="figure@3.[170,1417,193,1770]" captionTargetPageId="3" captionText="FIGURE 2. Metopa gigas sp. nov. Holotype, Ƥ. l, left; md mv, mandible medial view; mx 1 and 2, maxilla 1 and 2; mxp, maxilliped (reduced size compared with other mouthparts)." httpUri="https://zenodo.org/record/224245/files/figure.png" pageId="5" pageNumber="294">Fig. 2</figureCitation>
md mv r), and it has a setal row as in the right mandible. This indicates that the left mandible of the
<typeStatus id="54D5882CFFC8FFB46F957E23FF55FEAC" box="[151,249,295,319]" pageId="5" pageNumber="294" type="holotype">holotype</typeStatus>
has been damaged at some point.
</paragraph>
</subSubSection>
</treatment>
</document>