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<document id="0578FD9626C0AFDC5E59028810071204" ID-DOI="10.5281/zenodo.281003" ID-GBIF-Dataset="af5621a6-c0b5-4ea2-8863-e4052d21ad6a" ID-ISSN="1175-5326" ID-Zenodo-Dep="281003" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460480650436" checkinUser="plazi" docAuthor="DAcoz, Cedric DUdekem &amp; Havermans, Charlotte" docDate="2012" docId="03E687B2FFF6FFF2FF56FD60DE7CFC1D" docLanguage="en" docName="zt03310p050.pdf" docOrigin="Zootaxa 3310" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Pseudorchomene lophorachis DAcoz &amp; Havermans, 2012, sp. n." docType="treatment" docVersion="7" lastPageNumber="36" masterDocId="FFDFFFCAFFEDFFD1FFC1FFEFDF77FFB7" masterDocTitle="Two new Pseudorchomene species from the Southern Ocean, with phylogenetic remarks on the genus and related species (Crustacea: Amphipoda: Lysianassoidea: Lysianassidae: Tryphosinae)" masterLastPageNumber="50" masterPageNumber="1" pageNumber="28" updateTime="1698307640287" updateUser="plazi">
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<mods:title id="B4F28C96438BE71049B8B6E9981BE746">Two new Pseudorchomene species from the Southern Ocean, with phylogenetic remarks on the genus and related species (Crustacea: Amphipoda: Lysianassoidea: Lysianassidae: Tryphosinae)</mods:title>
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<mods:namePart id="1FF13D3DDB642D22301696D8AAF54DAC">DAcoz, Cedric DUdekem</mods:namePart>
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<mods:namePart id="C844960E611A4A8A229C6D1E992141C2">Havermans, Charlotte</mods:namePart>
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<mods:date id="67F44182D54183964BC21540459EF797">2012</mods:date>
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<treatment id="03E687B2FFF6FFF2FF56FD60DE7CFC1D" ID-DOI="http://doi.org/10.5281/zenodo.6176550" ID-GBIF-Taxon="119517112" ID-Zenodo-Dep="6176550" LSID="urn:lsid:plazi:treatment:03E687B2FFF6FFF2FF56FD60DE7CFC1D" httpUri="http://treatment.plazi.org/id/03E687B2FFF6FFF2FF56FD60DE7CFC1D" lastPageId="35" lastPageNumber="36" pageId="27" pageNumber="28">
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<paragraph id="8BF036A4FFF6FFCAFF56FD60DD30FD1E" blockId="27.[151,583,655,714]" box="[151,583,655,681]" pageId="27" pageNumber="28">
<heading id="D0B881C8FFF6FFCAFF56FD60DD30FD1E" bold="true" box="[151,583,655,681]" fontSize="11" level="1" pageId="27" pageNumber="28" reason="1">
<emphasis id="B93BEAB6FFF6FFCAFF56FD60DD30FD1E" bold="true" box="[151,583,655,681]" pageId="27" pageNumber="28">
<taxonomicName id="4C4F4D27FFF6FFCAFF56FD60DE8AFD1E" box="[151,509,655,681]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFF6FFCAFF56FD60DE8AFD1E" bold="true" box="[151,509,655,681]" italics="true" pageId="27" pageNumber="28">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20857CDFFF6FFCAFDC4FD60DD30FD1E" box="[517,583,655,681]" pageId="27" pageNumber="28" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BF036A4FFF6FFCAFF56FD5DDE50FD7D" blockId="27.[151,583,655,714]" box="[151,295,690,714]" pageId="27" pageNumber="28">
(
<figureCitation id="13742A21FFF6FFCAFF5EFD5DDE68FD7D" box="[159,287,690,714]" captionStart-0="FIGURE 17" captionStart-1="FIGURE 18" captionStart-2="FIGURE 19" captionStart-3="FIGURE 20" captionStart-4="FIGURE 21" captionStart-5="FIGURE 22" captionStartId-0="28.[151,250,1974,1997]" captionStartId-1="29.[151,250,1949,1972]" captionStartId-2="30.[151,250,1408,1431]" captionStartId-3="32.[151,250,1958,1981]" captionStartId-4="33.[151,250,1916,1939]" captionStartId-5="34.[151,250,1976,1999]" captionTargetBox-0="[163,1433,1009,1961]" captionTargetBox-1="[172,1414,185,1924]" captionTargetBox-2="[151,1436,155,1386]" captionTargetBox-3="[171,1413,193,1943]" captionTargetBox-4="[190,1394,193,1893]" captionTargetBox-5="[171,1414,193,1961]" captionTargetId-0="figure@28.[163,1433,1009,1962]" captionTargetId-1="figure@29.[172,1416,185,1925]" captionTargetId-2="figure@30.[151,1436,155,1386]" captionTargetId-3="figure@32.[171,1415,193,1943]" captionTargetId-4="figure@33.[190,1395,193,1894]" captionTargetId-5="figure@34.[171,1415,193,1962]" captionTargetPageId-0="28" captionTargetPageId-1="29" captionTargetPageId-2="30" captionTargetPageId-3="32" captionTargetPageId-4="33" captionTargetPageId-5="34" captionText-0="FIGURE 17. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, habitus, ANT XXII / 3, sta. 150, S of South Orkney Islands." captionText-1="FIGURE 18. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, ANT XXII / 3, sta. 150, S of South Orkney Islands. A, head with appendages; B, left antenna in medial view; C, right Md; D, tip of right Md; E, tip of left Md; F, lacinia mobilis; G, left Mx 1; H, tip of left Mx 1; I, tip of right Mx 1; J, right Mx 2; K, tip of right Mx 2." captionText-2="FIGURE 19. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, ANT XXII / 3, sta. 150, S of South Orkney Islands. A, Mxp (left inner plate not shown); B, left outer plate; C, right inner plate." captionText-3="FIGURE 20. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, ANT XXII / 3, sta. 150, S of South Orkney Islands. A, left Gn 1; B, left Gn 2; C, right P 3; D, right P 4; E, left P 5; F, left P 6; G, left P 7." captionText-4="FIGURE 21. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, ANT XXII / 3, sta. 150, S of South Orkney Islands. A, tip of chela of left Gn 1; B, tip of chela of left Gn 2; C, propodus and dactylus of right P 3; D, distal spines of propodus of right P 3; E, distal half of left P 5; F, penultimate pair of spines of propodus of left P 5; G, distal half of left P 6; H, penultimate pair of spines of propodus of left P 6; I, distal half of left P 7; J, distal spines of left P 7." captionText-5="FIGURE 22. Pseudorchomene lophorachis sp. n., paratype, female, 18 mm, ANT XXII / 3, sta. 150, S of South Orkney Islands. A, pleon; B, left U 1; C, right U 2; D, left U 3; E, telson." httpUri-0="https://zenodo.org/record/281019/files/figure.png" httpUri-1="https://zenodo.org/record/281020/files/figure.png" httpUri-2="https://zenodo.org/record/281021/files/figure.png" httpUri-3="https://zenodo.org/record/281022/files/figure.png" httpUri-4="https://zenodo.org/record/281023/files/figure.png" httpUri-5="https://zenodo.org/record/281024/files/figure.png" pageId="27" pageNumber="28">Figs 1722</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFF6FFCAFF56FD14DB71FABD" pageId="27" pageNumber="28" type="materials_examined">
<paragraph id="8BF036A4FFF6FFCAFF56FD14DB01FB51" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF56FD14DE30FCA4" bold="true" box="[151,327,762,787]" pageId="27" pageNumber="28">
<typeStatus id="54F48806FFF6FFCAFF56FD14DFA5FCA4" box="[151,210,763,787]" pageId="27" pageNumber="28">Type</typeStatus>
material.
</emphasis>
R/V “Polarstern” cruise ANT XXI2 (BENDEX), Eastern Weddell Sea, sta. 2881,
<geoCoordinate id="EE7B5063FFF6FFCAFADDFD15DAECFCA5" box="[1308,1435,762,786]" direction="south" orientation="latitude" pageId="27" pageNumber="28" precision="9" value="-72.793">72°47.58S</geoCoordinate>
<geoCoordinate id="EE7B5063FFF6FFCAFF56FCF1DE56FC81" box="[151,289,798,822]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="9" value="-19.497667">19°29.86W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFEEDFCF1DE03FC81" box="[300,372,798,822]" metricMagnitude="2" metricUnit="m" metricValue="8.47" pageId="27" pageNumber="28" unit="m" value="847.0">847 m</quantity>
, Fish Trap,
<date id="FFF11064FFF6FFCAFE36FCF1DD00FC81" box="[503,631,798,822]" pageId="27" pageNumber="28" value="2003-12-31">31.xii.2003</date>
<date id="FFF11064FFF6FFCAFD49FCF1DD84FC81" box="[648,755,798,822]" pageId="27" pageNumber="28" value="2004-01-03">03.i.2004</date>
: 1
<typeStatus id="54F48806FFF6FFCAFCD0FCF1DCD2FC81" box="[785,933,798,822]" pageId="27" pageNumber="28" type="holotype">HOLOTYPE</typeStatus>
[sex undetermined (sex detemination impossible without full dissection); no oostegites observed,
<quantity id="4CB79B41FFF6FFCAFD3BFCADDC16FCED" box="[762,865,834,858]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" pageId="27" pageNumber="28" unit="mm" value="14.5">14.5 mm</quantity>
, right gnathopod 1 and left uropod 1 dissected but not mounted] stored in 96% ethanol,
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,
<collectionCode id="ED5EAE61FFF6FFCAFD5FFC88DDA7FCC9" box="[670,720,871,894]" pageId="27" pageNumber="28">INV</collectionCode>
.
<date id="FFF11064FFF6FFCAFD1AFC89DC45FCC9" box="[731,818,870,894]" pageId="27" pageNumber="28" value="54-10-09">100954</date>
, Specimen (
<typeStatus id="54F48806FFF6FFCAFC7DFC89DB23FCC9" box="[956,1108,870,894]" pageId="27" pageNumber="28" type="holotype">HOLOTYPE</typeStatus>
) Id with corresponding Gen- Bank Accession number: PnWS847 (
<accessionNumber id="941CAB47FFF6FFCAFD8CFC65DDBBFC15" box="[589,716,906,930]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/GU109238" pageId="27" pageNumber="28">GU109238</accessionNumber>
) — R/V “Polarstern” cruise ANT XXI2 (BENDEX), Eastern Weddell Sea, sta. 2881,
<geoCoordinate id="EE7B5063FFF6FFCAFE7CFC41DD4BFC71" box="[445,572,942,966]" direction="south" orientation="latitude" pageId="27" pageNumber="28" precision="9" value="-72.793">72°47.58S</geoCoordinate>
<geoCoordinate id="EE7B5063FFF6FFCAFD87FC41DDA7FC71" box="[582,720,942,966]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="9" value="-19.497667">19°29.86W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFD1FFC41DC5DFC71" box="[734,810,942,966]" metricMagnitude="2" metricUnit="m" metricValue="8.47" pageId="27" pageNumber="28" unit="m" value="847.0">847 m</quantity>
, Fish Trap,
<date id="FFF11064FFF6FFCAFC79FC41DB4FFC71" box="[952,1080,942,966]" pageId="27" pageNumber="28" value="2003-12-31">31.xii.2003</date>
<date id="FFF11064FFF6FFCAFB89FC41DBC3FC71" box="[1096,1204,942,966]" pageId="27" pageNumber="28" value="2004-01-03">03.i.2004</date>
: 1
<typeStatus id="54F48806FFF6FFCAFB19FC40DA14FC70" box="[1240,1379,943,967]" pageId="27" pageNumber="28" type="paratype">PARATYPE</typeStatus>
[sex undetermined (sex detemination impossible without full dissection); no oostegites observed, stored in 96% ethanol,
<collectionCode id="ED5EAE61FFF6FFCAFF56FC19DF9BFBB9" LSID="urn:lsid:biocol.org:col:35271" box="[151,236,1014,1038]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35271" name="Royal Belgian Institute of Natural Sciences" pageId="27" pageNumber="28">RBINS</collectionCode>
,
<collectionCode id="ED5EAE61FFF6FFCAFF36FC18DE5EFBB9" box="[247,297,1015,1038]" pageId="27" pageNumber="28">INV</collectionCode>
. 10954. — R/V “Polarstern” cruise ANTXXII/3 (ANDEEP III), South of South
<collectingCountry id="F3587634FFF6FFCAFB7CFC19DA1DFBB9" box="[1213,1386,1014,1038]" name="United Kingdom" pageId="27" pageNumber="28">Orkney Islands</collectingCountry>
, sta. 1507,
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<geoCoordinate id="EE7B5063FFF6FFCAFE91FBF5DEC0FB85" box="[336,439,1050,1074]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="925" value="-47.45">47°27W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFE05FBF5DD6BFB85" box="[452,540,1050,1074]" metricMagnitude="3" metricUnit="m" metricValue="1.943" pageId="27" pageNumber="28" unit="m" value="1943.0">1943 m</quantity>
, Agassiz trawl,
<date id="FFF11064FFF6FFCAFD13FBF5DC27FB85" box="[722,848,1050,1074]" pageId="27" pageNumber="28" value="2005-03-20">20.iii.2005</date>
:
<specimenCount id="9D49FD2DFFF6FFCAFC9AFBF5DCCAFB85" box="[859,957,1050,1074]" pageId="27" pageNumber="28" type="female">1 female</specimenCount>
<typeStatus id="54F48806FFF6FFCAFC07FBF4DB23FB84" box="[966,1108,1051,1075]" pageId="27" pageNumber="28" type="paratype">PARATYPE</typeStatus>
,
<quantity id="4CB79B41FFF6FFCAFBA1FBF5DBC5FB85" box="[1120,1202,1050,1074]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="27" pageNumber="28" unit="mm" value="18.0">18 mm</quantity>
, stored in 96% ethanol., Specimen Id with corresponding GenBank accession number: Pn0304072 (
<accessionNumber id="941CAB47FFF6FFCAFBFBFBD1DBC8FBE1" box="[1082,1215,1086,1110]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HM054054" pageId="27" pageNumber="28">HM054054</accessionNumber>
) [ZMH-43141]. — R/V “Polarstern” cruise ANTXXII/3 (ANDEEP III), South of South
<collectingCountry id="F3587634FFF6FFCAFC28FB8DDBE9FBCD" box="[1001,1182,1122,1146]" name="United Kingdom" pageId="27" pageNumber="28">Orkney Islands</collectingCountry>
, sta. 1507,
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<geoCoordinate id="EE7B5063FFF6FFCAFF56FB69DF89FB29" box="[151,254,1158,1182]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="925" value="-47.45">47°27W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFECBFB69DE14FB29" box="[266,355,1158,1182]" metricMagnitude="3" metricUnit="m" metricValue="1.943" pageId="27" pageNumber="28" unit="m" value="1943.0">1943 m</quantity>
, Agassiz trawl,
<date id="FFF11064FFF6FFCAFDD8FB69DDE0FB29" box="[537,663,1158,1182]" pageId="27" pageNumber="28" value="2005-03-20">20.iii.2005</date>
: 4
<typeStatus id="54F48806FFF6FFCAFD78FB69DC24FB29" box="[697,851,1158,1182]" pageId="27" pageNumber="28" type="paratype">PARATYPES</typeStatus>
stored in 96% ethanol and 1
<typeStatus id="54F48806FFF6FFCAFB63FB68DA5AFB28" box="[1186,1325,1159,1183]" pageId="27" pageNumber="28" type="paratype">PARATYPE</typeStatus>
dissected and mounted on 15 slides in Euparal [ZMH-43142], 10
<typeStatus id="54F48806FFF6FFCAFCCBFB45DCDFFB75" box="[778,936,1194,1218]" pageId="27" pageNumber="28" type="paratype">PARATYPES</typeStatus>
, Specimen Ids with corresponding GenBank accession numbers: Pn0510077 (
<accessionNumber id="941CAB47FFF6FFCAFDD5FB21DDEBFB51" box="[532,668,1230,1254]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HM054055" pageId="27" pageNumber="28">HM054055</accessionNumber>
), PnSS1943 (
<accessionNumber id="941CAB47FFF6FFCAFC81FB21DCC8FB51" box="[832,959,1230,1254]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/GU109253" pageId="27" pageNumber="28">GU109253</accessionNumber>
) [ZMH-43143].
</paragraph>
<paragraph id="8BF036A4FFF6FFCAFF08FB1CDB71FABD" blockId="27.[151,1437,762,2011]" box="[201,1030,1266,1291]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08FB1CDE12FABC" bold="true" box="[201,357,1266,1291]" pageId="27" pageNumber="28">
<typeStatus id="54F48806FFF6FFCAFF08FB1CDE75FABC" box="[201,258,1267,1291]" pageId="27" pageNumber="28">Type</typeStatus>
locality.
</emphasis>
South of South
<collectingCountry id="F3587634FFF6FFCAFDDDFB1DDDBEFABD" box="[540,713,1266,1290]" name="United Kingdom" pageId="27" pageNumber="28">Orkney Islands</collectingCountry>
,
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<geoCoordinate id="EE7B5063FFF6FFCAFCF9FB1DDCE8FABD" box="[824,927,1266,1290]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="925" value="-47.45">47°27W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFC6BFB1DDB75FABD" box="[938,1026,1266,1290]" metricMagnitude="3" metricUnit="m" metricValue="1.943" pageId="27" pageNumber="28" unit="m" value="1943.0">1943 m</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFF6FFCAFF08FAF8DBF6FAE4" pageId="27" pageNumber="28" type="etymology">
<paragraph id="8BF036A4FFF6FFCAFF08FAF8DBF6FAE4" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08FAF8DE27FA98" bold="true" box="[201,336,1303,1327]" pageId="27" pageNumber="28">Etymology.</emphasis>
<taxonomicName id="4C4F4D27FFF6FFCAFE97FAF9DE93FA99" box="[342,484,1302,1326]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="27" pageNumber="46" phylum="Arthropoda" rank="species" species="lophorachis">
<emphasis id="B93BEAB6FFF6FFCAFE97FAF9DE93FA99" box="[342,484,1302,1326]" italics="true" pageId="27" pageNumber="28">Lophorachis</emphasis>
</taxonomicName>
is a noun in apposition formed by combining the Greek nouns λόφος, hill, and ραχɩς, backspine. The name refers to the low posterodorsal protuberances of the body segments.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFF6FFCAFF08FAB1DC72F969" pageId="27" pageNumber="28" type="diagnosis">
<paragraph id="8BF036A4FFF6FFCAFF08FAB1DC72F969" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08FAB1DE34FAC0" bold="true" box="[201,323,1374,1399]" pageId="27" pageNumber="28">Diagnosis.</emphasis>
<emphasis id="B93BEAB6FFF6FFCAFE8BFAB0DED6FAC1" box="[330,417,1375,1398]" italics="true" pageId="27" pageNumber="28">Somites</emphasis>
of pereon and pleosome with small posterior humps.
<emphasis id="B93BEAB6FFF6FFCAFC3AFAB1DBCDFAC1" box="[1019,1210,1374,1398]" italics="true" pageId="27" pageNumber="28">Mandibular palp</emphasis>
inserted well proximal to molar process.
<emphasis id="B93BEAB6FFF6FFCAFE4FFA6CDD58FA2C" box="[398,559,1411,1435]" italics="true" pageId="27" pageNumber="28">Molar process</emphasis>
broad.
<emphasis id="B93BEAB6FFF6FFCAFD45FA6CDC60FA2C" box="[644,791,1411,1435]" italics="true" pageId="27" pageNumber="28">Gnathopod 1</emphasis>
: basis anterior margin convex, palm oblique, basis 3.5 x, ischium
<date id="FFF11064FFF6FFCAFF36FA49DE6AFA09" box="[247,285,1446,1470]" pageId="27" pageNumber="28">9 x</date>
, merus
<date id="FFF11064FFF6FFCAFEB6FA48DEEAFA09" box="[375,413,1447,1470]" pageId="27" pageNumber="28">7 x</date>
, carpus 7.5 x, propodus 8.5 x as long as wide.
<emphasis id="B93BEAB6FFF6FFCAFC70FA49DB32FA09" box="[945,1093,1446,1470]" italics="true" pageId="27" pageNumber="28">Gnathopod 2</emphasis>
: carpus 2.3 x as long as wide.
<emphasis id="B93BEAB6FFF6FFCAFF56FA24DE6EFA54" box="[151,281,1483,1507]" italics="true" pageId="27" pageNumber="28">Pereopod 3</emphasis>
: propodus with about 11 spines or pairs of spines (which are well developed).
<emphasis id="B93BEAB6FFF6FFCAFB5AFA24DA4EFA54" box="[1179,1337,1483,1507]" italics="true" pageId="27" pageNumber="28">Pereopod 37</emphasis>
: on propodus, broadest spine of each pair or triplet acute.
<emphasis id="B93BEAB6FFF6FFCAFD0BFA00DC6DF9B1" box="[714,794,1518,1542]" italics="true" pageId="27" pageNumber="28">Coxa 4</emphasis>
rounded posteroventrally.
<emphasis id="B93BEAB6FFF6FFCAFB85FA01DBB2F9B1" box="[1092,1221,1518,1542]" italics="true" pageId="27" pageNumber="28">Pereopod 5</emphasis>
: coxa very slightly longer than broad; basis strongly expanded; merus with setae posteriorly and one fairly slender posterodistal spine. Ratio length/width of merus of
<emphasis id="B93BEAB6FFF6FFCAFE37F9D9DDE7F9F9" box="[502,656,1590,1614]" italics="true" pageId="27" pageNumber="28">pereopod 57</emphasis>
: 1.3; 1.8; 1.9. Ratio length/width of carpus of
<emphasis id="B93BEAB6FFF6FFCAFB56F9D9DA46F9F9" box="[1175,1329,1590,1614]" italics="true" pageId="27" pageNumber="28">pereopod 57</emphasis>
: 1.8; 2.4; 2.3. Posterodistal angle of carpus of
<emphasis id="B93BEAB6FFF6FFCAFDECF9B4DDB1F9C5" box="[557,710,1627,1651]" italics="true" pageId="27" pageNumber="28">pereopod 57</emphasis>
with spines of normal length and stoutness.
<emphasis id="B93BEAB6FFF6FFCAFB77F9B4DA41F9C5" box="[1206,1334,1627,1651]" italics="true" pageId="27" pageNumber="28">Pereopod 7</emphasis>
: anterior margin of carpus normally spinose, posterior margin of carpus and propodus with posterodistal spines only.
<emphasis id="B93BEAB6FFF6FFCAFF56F94BDE6DF90C" box="[151,282,1699,1723]" italics="true" pageId="27" pageNumber="28">Epimeron 3</emphasis>
posteriorly regularly rounded.
<emphasis id="B93BEAB6FFF6FFCAFDBDF94CDD9FF90C" box="[636,744,1699,1723]" italics="true" pageId="27" pageNumber="28">Uropod 3</emphasis>
with medial margin of both rami with many long setae, with inner ramus not reaching tip of article 1 of outer ramus.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFF6FFF2FF08F905DE2AFD9A" lastPageId="35" lastPageNumber="36" pageId="27" pageNumber="28" type="description">
<paragraph id="8BF036A4FFF6FFCAFF08F905DC3DF891" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08F905DE2DF8B4" bold="true" box="[201,346,1770,1795]" pageId="27" pageNumber="28">Description.</emphasis>
Based on
<typeStatus id="54F48806FFF6FFCAFE1AF905DD02F8B5" box="[475,629,1770,1794]" pageId="27" pageNumber="28" type="paratype">PARATYPES</typeStatus>
from R/V “Polarstern” cruise ANTXXII/3 (ANDEEP III), South of South
<collectingCountry id="F3587634FFF6FFCAFF1EF8E1DEFBF891" box="[223,396,1806,1830]" name="United Kingdom" pageId="27" pageNumber="28">Orkney Islands</collectingCountry>
, sta. 1507,
<geoCoordinate id="EE7B5063FFF6FFCAFDD8F8E1DD03F891" box="[537,628,1806,1830]" direction="south" orientation="latitude" pageId="27" pageNumber="28" precision="925" value="-61.8">61°48S</geoCoordinate>
<geoCoordinate id="EE7B5063FFF6FFCAFDBAF8E1DD94F891" box="[635,739,1806,1830]" direction="west" orientation="longitude" pageId="27" pageNumber="28" precision="925" value="-47.45">47°27W</geoCoordinate>
,
<quantity id="4CB79B41FFF6FFCAFD2FF8E1DC31F891" box="[750,838,1806,1830]" metricMagnitude="3" metricUnit="m" metricValue="1.943" pageId="27" pageNumber="28" unit="m" value="1943.0">1943 m</quantity>
.
</paragraph>
<paragraph id="8BF036A4FFF6FFCAFF08F8DCDE8AF8D9" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08F8DCDE74F8FC" box="[201,259,1843,1867]" italics="true" pageId="27" pageNumber="28">Body</emphasis>
without dorsal carina; somites of pereon and pleosome with small posterior humps.
<emphasis id="B93BEAB6FFF6FFCAFB15F8DCDA66F8FC" box="[1236,1297,1843,1867]" italics="true" pageId="27" pageNumber="28">Head</emphasis>
with lateral cephalic lobes broadly rounded.
</paragraph>
<paragraph id="8BF036A4FFF6FFCAFF08F893DB80F801" blockId="27.[151,1437,762,2011]" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08F893DF89F824" box="[201,254,1916,1939]" italics="true" pageId="27" pageNumber="28">Eyes</emphasis>
occupying the most of anterior part of head, much longer than broad, lower part much broader than upper part, distinctly concave anteriorly, nearly straight posteriorly, dark, with fully developed ommatidia.
</paragraph>
<paragraph id="8BF036A4FFF6FFCDFF08F82CDE7AFF63" blockId="27.[151,1437,762,2011]" lastBlockId="28.[151,1437,151,967]" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28">
<emphasis id="B93BEAB6FFF6FFCAFF08F82CDE4DF86C" box="[201,314,1987,2011]" italics="true" pageId="27" pageNumber="28">Antenna 1</emphasis>
slightly shorter than antenna 2; major flagellum 13-articulate, with first article 0.4 x as long as entire flagellum; accessory flagellum 5-articulate, with article 1 elongate, slightly longer than sum of 4 distal articles combined.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FF0FDE9FFEAB" blockId="28.[151,1437,151,967]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FF0FDE4BFF4F" box="[201,316,224,248]" italics="true" pageId="28" pageNumber="29">Antenna 2</emphasis>
about 0.1 x as long as body; peduncular articles 3 to 5 not enlarged, with brush of setae; flagellum 27-articlulate; calceoli absent.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FEC7DC5EFED3" blockId="28.[151,1437,151,967]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FEC7DE3BFEF7" box="[201,332,296,320]" italics="true" pageId="28" pageNumber="29">Mouthparts</emphasis>
forming a quadrate bundle. Epistome carinate, scarcely produced, terminating in small blunt tooth; upper lip broadly rounded. slightly overreaching epistome.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FE9FDBE2FD33" blockId="28.[151,1437,151,967]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FE9FDE42FE3F" box="[201,309,368,392]" italics="true" pageId="28" pageNumber="29">Mandible</emphasis>
: incisor process, cutting edge smooth except for small blunt denticle on each side, lateral and medial borders parallel; lacinia mobilis present on left side only, narrowly cylindrical (finger-like), slightly curved, slightly dilated distally with 3 dentiform processes (1 strong and 2 weak); 3 small raker spines and a elongate patch of short setules present between incisor and molar processes; molar process broad, elliptic to subovate, transversally ridged and triturative; lateral setigerous crest arising from proximal 0.3 of molar process; palp 3-articulate, attached midway, well proximal to molar process; article 1 without setae, article 2 longest with row of 12 strong distal and subdistal A2-setae, article 3 of palp 0.65 x as long as article 2, 4.2 x as long as wide, with 2 proximal A3-setae, a row of 22 D3-setae on distal 0.6 (these setae are shorter than width of article 3), and 2 E3-setae.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FD7FDB3EFD58" blockId="28.[151,1437,151,967]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FD7FDE42FD1F" box="[201,309,656,680]" italics="true" pageId="28" pageNumber="29">Maxilla 1</emphasis>
: inner plate very elongate, very narrow distally, with 2 stout setae in truly distal position; outer plate with 11 blade-shaped spines (in 7/4 arrangement), which are denticulate on one side; palp 2-articulate, broad with distal row of 9 cuspidate spines anteriorly followed by a stout antero-distal flag seta.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FD13DA38FCA3" blockId="28.[151,1437,151,967]" box="[201,1359,764,789]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FD13DE42FCA3" box="[201,309,764,788]" italics="true" pageId="28" pageNumber="29">Maxilla 2</emphasis>
: plates very narrow, tapering; inner plate much shorter and slightly narrower than outer plate.
</paragraph>
<paragraph id="8BF036A4FFF1FFCDFF08FCCFDFA2FC70" blockId="28.[151,1437,151,967]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF08FCCFDE35FC8F" box="[201,322,800,824]" italics="true" pageId="28" pageNumber="29">Maxilliped</emphasis>
: inner and outer plates well developed; inner plate narrow, about half the length of outer plate, with well-developed posteromedial row of strong setae, with 3 apical nodular spines and 1 anterodistal stout seta; outer plate reaching tip of article 2 of palp, with lateral double row of medium setae, 2 distal large stout blunt spines, a medial row of 19 much smaller low nodular spines, and 8 small slender isolated facial spines; dactylus well developed.
</paragraph>
<caption id="DF30662CFFF1FFCDFF56F859DE66F85C" httpUri="https://zenodo.org/record/281019/files/figure.png" pageId="28" pageNumber="29" targetBox="[163,1433,1009,1961]" targetPageId="28">
<paragraph id="8BF036A4FFF1FFCDFF56F859DE66F85C" blockId="28.[151,1436,1974,2027]" pageId="28" pageNumber="29">
<emphasis id="B93BEAB6FFF1FFCDFF56F859DE57F87C" bold="true" box="[151,288,1974,1997]" pageId="28" pageNumber="29">FIGURE 17.</emphasis>
<taxonomicName id="4C4F4D27FFF1FFCDFEE6F859DD22F87B" box="[295,597,1974,1996]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFF1FFCDFEE6F859DD22F87B" box="[295,597,1974,1996]" italics="true" pageId="28" pageNumber="29">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFF1FFCDFD9AF858DDE2F87B" bold="true" box="[603,661,1975,1996]" pageId="28" pageNumber="29">
<taxonomicNameLabel id="A20857CDFFF1FFCDFD9AF858DDE2F87B" box="[603,661,1975,1996]" pageId="28" pageNumber="29" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, habitus, ANTXXII/3, sta. 150, S of South Orkney Islands.
</paragraph>
</caption>
<caption id="DF30662CFFF0FFCCFF56F872DB3DF846" httpUri="https://zenodo.org/record/281020/files/figure.png" pageId="29" pageNumber="30" targetBox="[172,1414,185,1924]" targetPageId="29">
<paragraph id="8BF036A4FFF0FFCCFF56F872DB3DF846" blockId="29.[151,1436,1949,2033]" pageId="29" pageNumber="30">
<emphasis id="B93BEAB6FFF0FFCCFF56F872DE53F804" bold="true" box="[151,292,1949,1972]" pageId="29" pageNumber="30">FIGURE 18.</emphasis>
<taxonomicName id="4C4F4D27FFF0FFCCFEEFF871DD28F803" box="[302,607,1950,1972]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFF0FFCCFEEFF871DD28F803" box="[302,607,1950,1972]" italics="true" pageId="29" pageNumber="30">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFF0FFCCFDABF871DDD0F804" bold="true" box="[618,679,1950,1971]" pageId="29" pageNumber="30">
<taxonomicNameLabel id="A20857CDFFF0FFCCFDABF871DDD0F804" box="[618,679,1950,1971]" pageId="29" pageNumber="30" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, ANTXXII/3, sta. 150, S of South Orkney Islands. A, head with appendages; B, left antenna in medial view; C, right Md; D, tip of right Md; E, tip of left Md; F, lacinia mobilis; G, left Mx1; H, tip of left Mx1; I, tip of right Mx1; J, right Mx2; K, tip of right Mx2.
</paragraph>
</caption>
<caption id="DF30662CFFF3FFCFFF56FA6FDC91FA02" httpUri="https://zenodo.org/record/281021/files/figure.png" pageId="30" pageNumber="31" targetBox="[151,1436,155,1386]" targetPageId="30">
<paragraph id="8BF036A4FFF3FFCFFF56FA6FDC91FA02" blockId="30.[151,1436,1408,1461]" pageId="30" pageNumber="31">
<emphasis id="B93BEAB6FFF3FFCFFF56FA6FDE53FA22" bold="true" box="[151,292,1408,1431]" pageId="30" pageNumber="31">FIGURE 19.</emphasis>
<taxonomicName id="4C4F4D27FFF3FFCFFEEFFA6FDD28FA21" box="[302,607,1408,1430]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFF3FFCFFEEFFA6FDD28FA21" box="[302,607,1408,1430]" italics="true" pageId="30" pageNumber="31">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFF3FFCFFDABFA6EDDD0FA21" bold="true" box="[618,679,1409,1430]" pageId="30" pageNumber="31">
<taxonomicNameLabel id="A20857CDFFF3FFCFFDABFA6EDDD0FA21" box="[618,679,1409,1430]" pageId="30" pageNumber="31" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, ANTXXII/3, sta. 150, S of South Orkney Islands. A, Mxp (left inner plate not shown); B, left outer plate; C, right inner plate.
</paragraph>
</caption>
<paragraph id="8BF036A4FFF3FFCFFF08FA0DDF84F9AA" blockId="30.[151,1436,1505,2034]" pageId="30" pageNumber="31">
<emphasis id="B93BEAB6FFF3FFCFFF08FA0DDF88FA4D" box="[201,255,1506,1530]" italics="true" pageId="30" pageNumber="31">Gills</emphasis>
: long accessory process on gill of pereopods 56; gill of pereopod 7 well developed and posteriorly pointed.
</paragraph>
<paragraph id="8BF036A4FFF3FFCFFF08F9C5DC7DF9F6" blockId="30.[151,1436,1505,2034]" box="[201,778,1577,1601]" pageId="30" pageNumber="31">
<emphasis id="B93BEAB6FFF3FFCFFF08F9C5DE48F9F6" box="[201,319,1578,1601]" italics="true" pageId="30" pageNumber="31">Oostegites</emphasis>
: linear, from gnathopod 2 to pereopod 5.
</paragraph>
<paragraph id="8BF036A4FFF3FFCFFF08F9A1DE65F88A" blockId="30.[151,1436,1505,2034]" pageId="30" pageNumber="31">
<emphasis id="B93BEAB6FFF3FFCFFF08F9A1DE2AF9D1" box="[201,349,1614,1638]" italics="true" pageId="30" pageNumber="31">Gnathopod 1</emphasis>
: subchelate; coxa large but slightly shorter than coxa 2, externally visible, triangular, with anterior and posterior margins weakly concave and strongly divergent, ventral border broad and weakly convex; all articles except dactylus extremely elongate; basis anteriorly strongly convex and posteriorly straight, with many long setae along anterior margin, about 3.5 x as long as wide; ischium linear,
<date id="FFF11064FFF3FFCFFC3AF956DB69F966" box="[1019,1054,1721,1745]" pageId="30" pageNumber="31">9 x</date>
as long as wide; merus linear,
<date id="FFF11064FFF3FFCFFAB8F955DAEBF966" box="[1401,1436,1722,1745]" pageId="30" pageNumber="31">7 x</date>
as long as wide, slightly shorter than ischium and as long as carpus; carpus linear, 7.5 x as long as wide; propodus linear, 8.5 x as long as wide and slightly shorter than carpus, palm oblique and minutely denticulate; dactylus well developed.
</paragraph>
<paragraph id="8BF036A4FFF3FFCFFF08F8A5DDC5F846" blockId="30.[151,1436,1505,2034]" pageId="30" pageNumber="31">
<emphasis id="B93BEAB6FFF3FFCFFF08F8A5DE29F8D5" box="[201,350,1866,1890]" italics="true" pageId="30" pageNumber="31">Gnathopod 2</emphasis>
: minutely chelate coxa large but slightly shorter than coxa 3, subrectangular; ischium 3.7 x as long as wide; carpus 2.3 x as long as wide, 2.2 x as long as propodus, anterior margin with dense row of very short setae beyond midlength, and many long setae distally; propodus strongly convex anteriorly with many long setae, straight posteriorly with many very short setae, palm with a cavity and an extended inner dentate basket; dactylus very short, denticulate, reaching corner of palm.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08FF77DBEDFE88" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08FF77DE3CFF07" box="[201,331,152,176]" italics="true" pageId="31" pageNumber="32">Pereopod 3</emphasis>
: coxa large, about as long as coxa 4, subrectangular, posterior margin slightly concave; ischium, merus and carpus with many long setae posteriorly; merus slightly expanded anteriorly, 2.6 x as long as wide; carpus 2.6 x as long as wide and 0.67 x as long as merus; propodus 4.9 x as long as wide, 1.4 x as long as carpus, with 11 well-developed spines (or pairs of spines) posteriorly, the largest spines of each group acute and with accessory branch; dactylus normally developed, curved, with long unguis, 0.41 x as long as propodus.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08FEA3DEE6FDA0" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08FEA3DE3DFED3" box="[201,330,332,356]" italics="true" pageId="31" pageNumber="32">Pereopod 4</emphasis>
: coxa deeper than wide, posteroventral lobe large, posteroventral corner of lobe regularly rounded (without angular discontinuity); ischium, merus and carpus with many long setae posteriorly; merus slightly expanded anteriorly, 2.4 x as long as wide; carpus 2.0 x as long as wide and 0.56 x as long as merus; propodus 4.6 x as long as wide, 1.4 x as long as carpus, with 11 well-developed spines (or pairs of spines) posteriorly, the largest spines of each group acute and with accessory branch; dactylus normally developed, curved, with long unguis, 0.39 x as long as propodus.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08FDCBDD2CFCEB" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08FDCBDE3DFD8B" box="[201,330,548,572]" italics="true" pageId="31" pageNumber="32">Pereopod 5</emphasis>
: coxa very slightly longer than broad, weakly bilobate, posterior lobe slightly produced ventrally, 1.5 x as long as basis; basis strongly expanded posteriorly, about as long as broad, with 10 short spines or groups of short spines anteriorly, 6 very weak crenellations posteriorly, each associated with tiny setule, posteroventral lobe well developed and broadly rounded; ischium with 3 anterior groups of short spines, the distal one associated with long seta; merus expanded, 1.3 x as long as broad, anterior margin straight, posterior margin rounded, bearing 5 long setae and 1 distal medium-sized spine; carpus 1.8 x as long as broad, with 2 posterodistal spines of normal length and stoutness; propodus 4.2 x as long as broad, 1.4 x as long as carpus, with 6 pairs of acute spines anteriorly, each spine with an accessory branch (except those of distal pair); dactylus normally developed, curved, with long unguis, 0.42 x as long as propodus.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08FC87DE29FB5F" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08FC87DE3AFC37" box="[201,333,872,896]" italics="true" pageId="31" pageNumber="32">Pereopod 6</emphasis>
: coxa anterior margin slightly concave, posterior margin convex, weakly bilobed, shorter than coxa 5, 1.6 x as long as broad, 0.9 x as long as basis; basis longer than basis of pereopod 5, expanded posteriorly, 1.4 x as long as broad, with 9 short spines or groups of short spines anteriorly, 8 very weak crenellations posteriorly, each associated with tiny setule, posteroventral lobe well-developed, broadly rounded; ischiumdactylus combined slightly longer than in pereopod 5 and as long as in pereopod 7; ischium with 4 anterior groups of articulated structures including a short spine and/or a long seta; merus weakly expanded, 1.8 x as long as broad, anterior margin straight, posterior margin weakly curved, bearing 6 isolated small spines of normal stoutness; carpus 2.4 x as long as broad, with 1 short seta and 2 spines of normal length and stoutness on posterodistal corner; propodus 4.8 x as long as broad, 1.4 x as long as carpus, with 9 acute spines (or pairs of spines) anteriorly, each spine with an accessory branch (except those of distal pair); dactylus normally developed, curved, with long unguis, 0.39 x as long as propodus.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08FB1BDD55F9E7" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08FB1BDE3DFABB" box="[201,330,1268,1292]" italics="true" pageId="31" pageNumber="32">Pereopod 7</emphasis>
: coxa regularly rounded, shorter than coxa 6, as long as broad, 0.5 x as long as basis; basis longer than basis of pereopod 6, expanded posteriorly, 1.4 x as long as broad, with 14 short spines or groups of short spines anteriorly, 10 very weak crenellations posteriorly, most associated with tiny setule, posteroventral lobe low and broadly rounded; ischium with 4 groups of 1 or 2 short spines on anterior margin, without long setae; merus weakly expanded, 1.9 x as long as broad, anterior margin straight, posterior margin weakly convex bearing 7 isolated small spines of normal stoutness; carpus 2.3 x as long as broad, with number and strength of anterior spines normal, with 3 posterodistal spines of normal length and stoutness and no other posterior spines; propodus 4.6 x as long as broad, 1.4 x as long as carpus, with 9 acute spines (or pairs of spines) anteriorly, each spine with an accessory branch (except those of distal pair), without posterior spines; dactylus normally developed, curved, with long unguis, 0.36 x as long as propodus.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08F9B2DC6FF92F" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08F9B2DE27F9C3" box="[201,336,1628,1652]" italics="true" pageId="31" pageNumber="32">Epimeron 1</emphasis>
: anteroventral corner subquadrate, slightly produced; posteroventral corner regularly rounded; ventral margin straight; posterior margin slightly convex.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08F94ADDB9F957" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08F94ADE27F90B" box="[201,336,1700,1724]" italics="true" pageId="31" pageNumber="32">Epimeron 2</emphasis>
: anteroventral corner very broadly angular, posteroventral corner bluntly subquadrate; ventral margin slightly concave; posterior margin straight.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08F902DA5EF8B3" blockId="31.[151,1437,151,1976]" box="[201,1321,1772,1796]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08F902DE3CF8B3" box="[201,331,1772,1796]" italics="true" pageId="31" pageNumber="32">Epimeron 3</emphasis>
: posteroventral corner regularly rounded; ventral and posterior margins slightly convex.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08F8FEDE8FF8FB" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08F8FEDE24F89F" box="[201,339,1808,1832]" italics="true" pageId="31" pageNumber="32">Urosomite 1</emphasis>
with a deep dorsal depression flanked on each side by lateral carina and followed by a prominent regularly rounded dorsal hump.
</paragraph>
<paragraph id="8BF036A4FFF2FFCEFF08F8B7DB63F80F" blockId="31.[151,1437,151,1976]" pageId="31" pageNumber="32">
<emphasis id="B93BEAB6FFF2FFCEFF08F8B7DE43F8C7" box="[201,308,1880,1904]" italics="true" pageId="31" pageNumber="32">Uropod 1</emphasis>
: peduncle 1.5 x as long as inner ramus, with 12 small stout lateral spines and 16 medium-sized slen- der spines; outer ramus almost as long as inner ramus, with 7 stout and medium-sized lateral spines and no medial spines; inner ramus with 3 lateral spines and 9 medial spines, all medium-sized.
</paragraph>
<caption id="DF30662CFFCDFFF1FF56F849DB69F86C" httpUri="https://zenodo.org/record/281022/files/figure.png" pageId="32" pageNumber="33" targetBox="[171,1413,193,1943]" targetPageId="32">
<paragraph id="8BF036A4FFCDFFF1FF56F849DB69F86C" blockId="32.[151,1436,1958,2011]" pageId="32" pageNumber="33">
<emphasis id="B93BEAB6FFCDFFF1FF56F849DE53F80B" bold="true" box="[151,292,1958,1981]" pageId="32" pageNumber="33">FIGURE 20.</emphasis>
<taxonomicName id="4C4F4D27FFCDFFF1FEEFF848DD28F80A" box="[302,607,1959,1981]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFCDFFF1FEEFF848DD28F80A" box="[302,607,1959,1981]" italics="true" pageId="32" pageNumber="33">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFCDFFF1FDABF848DDD0F80B" bold="true" box="[618,679,1959,1980]" pageId="32" pageNumber="33">
<taxonomicNameLabel id="A20857CDFFCDFFF1FDABF848DDD0F80B" box="[618,679,1959,1980]" pageId="32" pageNumber="33" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, ANTXXII/3, sta. 150, S of South Orkney Islands. A, left Gn1; B, left Gn2; C, right P3; D, right P4; E, left P5; F, left P6; G, left P7.
</paragraph>
</caption>
<caption id="DF30662CFFCCFFF0FF56F893DB44F858" httpUri="https://zenodo.org/record/281023/files/figure.png" pageId="33" pageNumber="34" targetBox="[190,1394,193,1893]" targetPageId="33">
<paragraph id="8BF036A4FFCCFFF0FF56F893DB44F858" blockId="33.[151,1436,1916,2031]" pageId="33" pageNumber="34">
<emphasis id="B93BEAB6FFCCFFF0FF56F893DE53F825" bold="true" box="[151,292,1916,1939]" pageId="33" pageNumber="34">FIGURE 21.</emphasis>
<taxonomicName id="4C4F4D27FFCCFFF0FEEFF892DD28F824" box="[302,607,1917,1939]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFCCFFF0FEEFF892DD28F824" box="[302,607,1917,1939]" italics="true" pageId="33" pageNumber="34">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFCCFFF0FDABF892DDD0F825" bold="true" box="[618,679,1917,1938]" pageId="33" pageNumber="34">
<taxonomicNameLabel id="A20857CDFFCCFFF0FDABF892DDD0F825" box="[618,679,1917,1938]" pageId="33" pageNumber="34" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, ANTXXII/3, sta. 150, S of South Orkney Islands. A, tip of chela of left Gn1; B, tip of chela of left Gn2; C, propodus and dactylus of right P3; D, distal spines of propodus of right P3; E, distal half of left P5; F, penultimate pair of spines of propodus of left P5; G, distal half of left P6; H, penultimate pair of spines of propodus of left P6; I, distal half of left P7; J, distal spines of left P7.
</paragraph>
</caption>
<caption id="DF30662CFFCFFFF3FF56F857DC62F85A" httpUri="https://zenodo.org/record/281024/files/figure.png" pageId="34" pageNumber="35" targetBox="[171,1414,193,1961]" targetPageId="34">
<paragraph id="8BF036A4FFCFFFF3FF56F857DC62F85A" blockId="34.[151,1436,1976,2029]" pageId="34" pageNumber="35">
<emphasis id="B93BEAB6FFCFFFF3FF56F857DE53F879" bold="true" box="[151,292,1976,1999]" pageId="34" pageNumber="35">FIGURE 22.</emphasis>
<taxonomicName id="4C4F4D27FFCFFFF3FEEFF857DD28F879" box="[302,607,1976,1998]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="lophorachis" status="sp. nov.">
<emphasis id="B93BEAB6FFCFFFF3FEEFF857DD28F879" box="[302,607,1976,1998]" italics="true" pageId="34" pageNumber="35">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
<emphasis id="B93BEAB6FFCFFFF3FDABF856DDD0F879" bold="true" box="[618,679,1977,1998]" pageId="34" pageNumber="35">
<taxonomicNameLabel id="A20857CDFFCFFFF3FDABF856DDD0F879" box="[618,679,1977,1998]" pageId="34" pageNumber="35" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, paratype, female, 18 mm, ANTXXII/3, sta. 150, S of South Orkney Islands. A, pleon; B, left U1; C, right U2; D, left U3; E,
<taxonomicName id="4C4F4D27FFCFFFF3FD10F838DC66F85A" box="[721,785,2007,2029]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="34" pageNumber="36" phylum="Arthropoda" rank="genus">telson</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BF036A4FFCEFFF2FF08FF77DE4AFEA0" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FF77DE44FF07" box="[201,307,152,176]" italics="true" pageId="35" pageNumber="36">Uropod 2</emphasis>
: peduncle 1.2 x as long as inner ramus, with 7 small to very small stout lateral spines and 6 mediumsized slender spines (all spines on distal 0.3); outer ramus 0.9 x as long as inner ramus, with 10 stout and mediumsized lateral spines and no medial spines; inner ramus without notch, with 5 lateral spines and 10 medial spines, all medium-sized.
</paragraph>
<paragraph id="8BF036A4FFCEFFF2FF08FECCDFA1FE15" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FECCDE43FE8C" box="[201,308,291,315]" italics="true" pageId="35" pageNumber="36">Uropod 3</emphasis>
: peduncle ordinary, 0.78 x as long as outer ramus; outer ramus with article 1 with 6 lateral spines, 9 medial long plumose setae and distomedial spine, with article 2 0.13 x as long as article 1; inner ramus reaching 0.85 of article 1 of outer ramus, with 5 lateral spines, long plumose setae all along medial margin and 2 apical setae.
</paragraph>
<paragraph id="8BF036A4FFCEFFF2FF08FE42DF93FE50" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
<taxonomicName id="4C4F4D27FFCEFFF2FF08FE42DE78FE72" box="[201,271,429,453]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="35" pageNumber="36" phylum="Arthropoda" rank="genus">
<emphasis id="B93BEAB6FFCEFFF2FF08FE42DE78FE72" box="[201,271,429,453]" italics="true" pageId="35" pageNumber="36">Telson</emphasis>
</taxonomicName>
: elongate, cleft for 0.57 of its length, each lobe with 1 apical spine paired with 1 small seta, dorsolateral spines.
</paragraph>
<paragraph id="8BF036A4FFCEFFF2FF08FE1DDD77FDBD" blockId="35.[151,1436,151,938]" box="[201,512,498,523]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FE1DDEF3FDBC" bold="true" box="[201,388,498,523]" pageId="35" pageNumber="36">Colour pattern.</emphasis>
Unknown.
</paragraph>
<paragraph id="8BF036A4FFCEFFF2FF08FDFADE2AFD9A" blockId="35.[151,1436,151,938]" box="[201,349,533,558]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FDFADE77FD99" bold="true" box="[201,256,533,558]" pageId="35" pageNumber="36">Size.</emphasis>
<quantity id="4CB79B41FFCEFFF2FEC6FDFADE2EFD9A" box="[263,345,533,557]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="35" pageNumber="36" unit="mm" value="18.0">18 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFCEFFF2FF08FDD8DB79FDE7" box="[201,1038,567,592]" pageId="35" pageNumber="36" type="distribution">
<paragraph id="8BF036A4FFCEFFF2FF08FDD8DB79FDE7" blockId="35.[151,1436,151,938]" box="[201,1038,567,592]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FDD8DD5AFDE7" bold="true" box="[201,557,567,592]" pageId="35" pageNumber="36">Distribution and depth range.</emphasis>
<collectingCountry id="F3587634FFCEFFF2FDF5FDD8DD0DFDF8" box="[564,634,567,591]" name="United Kingdom" pageId="35" pageNumber="36">Scotia</collectingCountry>
Sea and Weddell Sea,
<quantity id="4CB79B41FFCEFFF2FCBBFDD8DB7DFDE7" box="[890,1034,567,592]" metricMagnitude="3" metricUnit="m" metricValue="1.395" metricValueMax="1.943" metricValueMin="0.847" pageId="35" pageNumber="36" unit="m" value="1395.0" valueMax="1943.0" valueMin="847.0">8471943 m</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFCEFFF2FF08FDB5DA6BFD00" pageId="35" pageNumber="36" type="biology_ecology">
<paragraph id="8BF036A4FFCEFFF2FF08FDB5DA6BFD00" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FDB5DE5EFDC4" bold="true" box="[201,297,602,627]" pageId="35" pageNumber="36">Biology.</emphasis>
Carrion is part of the diet of the species since specimens were captured occasionally by means of fish traps, but it is not known if it is an obligatory or a facultative scavenger. The remarkably elongated gnathopod 1 (even more elongated than in
<taxonomicName id="4C4F4D27FFCEFFF2FE25FD4EDD35FD0F" box="[484,578,673,696]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="coatsi">
<emphasis id="B93BEAB6FFCEFFF2FE25FD4EDD35FD0F" box="[484,578,673,696]" italics="true" pageId="35" pageNumber="36">P. coatsi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4F4D27FFCEFFF2FDB8FD4EDC77FD0F" box="[633,768,672,696]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="debroyeri">
<emphasis id="B93BEAB6FFCEFFF2FDB8FD4EDC77FD0F" box="[633,768,672,696]" italics="true" pageId="35" pageNumber="36">P. debroyeri</emphasis>
</taxonomicName>
) might suggest a specialized feeding behaviour.
</paragraph>
</subSubSection>
<subSubSection id="C355652FFFCEFFF2FF08FD2CDE7CFC1D" pageId="35" pageNumber="36" type="discussion">
<paragraph id="8BF036A4FFCEFFF2FF08FD2CDE7DFCF5" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
<emphasis id="B93BEAB6FFCEFFF2FF08FD2CDE4AFD6C" bold="true" box="[201,317,707,731]" pageId="35" pageNumber="36">Remarks.</emphasis>
<taxonomicName id="4C4F4D27FFCEFFF2FE87FD2CDDE1FD6C" box="[326,662,707,731]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="lophorachis">
<emphasis id="B93BEAB6FFCEFFF2FE87FD2CDDE1FD6C" box="[326,662,707,731]" italics="true" pageId="35" pageNumber="36">Pseudorchomene lophorachis</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C4F4D27FFCEFFF2FCF5FD2BDCE2FD6C" box="[820,917,708,731]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="coatsi">
<emphasis id="B93BEAB6FFCEFFF2FCF5FD2BDCE2FD6C" box="[820,917,708,731]" italics="true" pageId="35" pageNumber="36">P. coatsi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4F4D27FFCEFFF2FC10FD2BDB2CFD6C" box="[977,1115,707,731]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="debroyeri">
<emphasis id="B93BEAB6FFCEFFF2FC10FD2BDB2CFD6C" box="[977,1115,707,731]" italics="true" pageId="35" pageNumber="36">P. debroyeri</emphasis>
</taxonomicName>
but has the first gnathopod characterized by an elongated and slender ischium, merus and carpus, while only the ischium and carpus are elongate in the two other species.
<taxonomicName id="4C4F4D27FFCEFFF2FE37FCE6DDECFC97" box="[502,667,776,800]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="lophorachis">
<emphasis id="B93BEAB6FFCEFFF2FE37FCE6DDECFC97" box="[502,667,776,800]" italics="true" pageId="35" pageNumber="36">P. lophorachis</emphasis>
</taxonomicName>
bears rounded dorsal humps, which are absent in
<taxonomicName id="4C4F4D27FFCEFFF2FB28FCE6DA3DFC97" box="[1257,1354,777,800]" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="coatsi">
<emphasis id="B93BEAB6FFCEFFF2FB28FCE6DA3DFC97" box="[1257,1354,777,800]" italics="true" pageId="35" pageNumber="36">P. coatsi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4F4D27FFCEFFF2FA46FCE6DE74FCF4" class="Malacostraca" family="Lysianassidae" genus="Pseudorchomene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="debroyeri">
<emphasis id="B93BEAB6FFCEFFF2FA46FCE6DE74FCF4" italics="true" pageId="35" pageNumber="36">P. debroyeri</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BF036A4FFCEFFF2FF08FCA2DE7CFC1D" blockId="35.[151,1436,151,938]" pageId="35" pageNumber="36">
The
<typeStatus id="54F48806FFCEFFF2FF3DFCA2DE29FCD2" box="[252,350,845,869]" pageId="35" pageNumber="36" type="holotype">holotype</typeStatus>
deposited at the Royal Belgian Institute of Natural Sciences is identical to the illustrated specimens: it has small posterodorsal humps on body segments, coxa 1 is adz-shaped, and gnathopod 1 is immensely elongated.
</paragraph>
</subSubSection>
</treatment>
</document>