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<document id="1A8643FE41038078888665BF0EA69257" ID-CLB-Dataset="50832" ID-DOI="10.5281/zenodo.170292" ID-GBIF-Dataset="52e54f67-4213-41f5-a04e-d9a33311a0cf" ID-ISSN="1175­5326" ID-Zenodo-Dep="170292" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459753288503" checkinUser="plazi" docAuthor="Bruce, Niel L." docDate="2005" docId="038287E67067FFBBFEF9054D90A2FB24" docLanguage="en" docName="zt01070p042.pdf" docOrigin="Zootaxa 1070" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Syscenus karu Bruce, 2005, sp. nov." docType="treatment" docVersion="8" lastPageNumber="41" masterDocId="FFBBFF9E7060FFB1FFF10751942FFFEA" masterDocTitle="Two new species of the mesopelagic isopod genus Syscenus Harger, 1880 (Crustacea: Isopoda: Aegidae) from the southwestern Pacific" masterLastPageNumber="42" masterPageNumber="31" pageNumber="38" updateTime="1698216664239" updateUser="ExternalLinkService">
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<mods:title id="7BD19A220CA0CA4A29F5E2CC2190BBDA">Two new species of the mesopelagic isopod genus Syscenus Harger, 1880 (Crustacea: Isopoda: Aegidae) from the southwestern Pacific</mods:title>
</mods:titleInfo>
<mods:name id="E0E3050F1C6CD6FB6BAEEDEBA106325E" type="personal">
<mods:role id="28E927500CF37D325A0501487C509950">
<mods:roleTerm id="51A1AEBA3B153CEA61040C6038A4025E">Author</mods:roleTerm>
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<mods:namePart id="0185F1DFF710B4B903176B9DB9F1AFD1">Bruce, Niel L.</mods:namePart>
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<mods:typeOfResource id="2E939FEF53847EBBC63FC0423ACE907A">text</mods:typeOfResource>
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<mods:title id="3C27242D60C110445685F34750E27B9A">Zootaxa</mods:title>
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<mods:part id="0BD7D0E8F6A378672B3F3F22E0082529">
<mods:date id="C9FDE9B8EADC5DEB9468A57B7F8AA3D1">2005</mods:date>
<mods:detail id="880F79F93B5DA50397BFF57BF7460DB8" type="volume">
<mods:number id="69CEE6F061AA4F05B4EBAE2E24EF30FF">1070</mods:number>
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<mods:classification id="2BCEF43DADCDFAEE8FF999665B176B1E">journal article</mods:classification>
<mods:identifier id="81074B7185EA3C49EAE0535B565215B7" type="CLB-Dataset">50832</mods:identifier>
<mods:identifier id="B05BC4C1327E81F0A3E301F415E6DFCF" type="DOI">10.5281/zenodo.170292</mods:identifier>
<mods:identifier id="40CC455409DEAB12DA67FD5EB858AB33" type="GBIF-Dataset">52e54f67-4213-41f5-a04e-d9a33311a0cf</mods:identifier>
<mods:identifier id="F91496A9001D7771385B3A1EEE524824" type="ISSN">1175­5326</mods:identifier>
<mods:identifier id="552C1E65F6D6698FB58125F093336219" type="Zenodo-Dep">170292</mods:identifier>
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<treatment id="038287E67067FFBBFEF9054D90A2FB24" ID-DOI="http://doi.org/10.5281/zenodo.6265207" ID-GBIF-Taxon="119338267" ID-Zenodo-Dep="6265207" LSID="urn:lsid:plazi:treatment:038287E67067FFBBFEF9054D90A2FB24" httpUri="http://treatment.plazi.org/id/038287E67067FFBBFEF9054D90A2FB24" lastPageId="10" lastPageNumber="41" pageId="7" pageNumber="38">
<subSubSection id="C331657B7067FFB6FEF9054D96B0FDDF" box="[264,671,539,566]" pageId="7" pageNumber="38" type="nomenclature">
<paragraph id="8B9436F07067FFB6FEF9054D96B0FDDF" blockId="7.[264,671,539,566]" box="[264,671,539,566]" pageId="7" pageNumber="38">
<heading id="D0DC819C7067FFB6FEF9054D96B0FDDF" bold="true" box="[264,671,539,566]" fontSize="11" level="1" pageId="7" pageNumber="38" reason="1">
<emphasis id="B95FEAE27067FFB6FEF9054D96B0FDDF" bold="true" box="[264,671,539,566]" pageId="7" pageNumber="38">
<taxonomicName id="4C2B4D737067FFB6FEF9054D9598FDDC" ID-CoL="5445Y" box="[264,439,540,566]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="7" pageNumber="38" phylum="Arthropoda" rank="species" species="karu" status="sp. nov.">
<emphasis id="B95FEAE27067FFB6FEF9054D9598FDDC" bold="true" box="[264,439,540,566]" italics="true" pageId="7" pageNumber="38">Syscenus karu</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26C57997067FFB6FE4F054A9633FDDF" box="[446,540,539,565]" pageId="7" pageNumber="38" rank="species">sp. nov.</taxonomicNameLabel>
(
<figureCitation id="13102A757067FFB6FDDD054A9656FDDF" box="[556,633,539,565]" captionStart="FIGURE 5" captionStartId="8.[264,367,1786,1810]" captionTargetBox="[279,1285,344,1746]" captionTargetId="figure@8.[264,1323,326,1762]" captionTargetPageId="8" captionText="FIGURE 5. Syscenus karu sp. nov. A, dorsal view; B, lateral view; C, head, dorsal view; D, frons; E, maxillule; F, maxillule apex; G, maxilla; H, maxilla apex; I, maxilliped; J, maxilliped palp article 2." httpUri="https://zenodo.org/record/170297/files/figure.png" pageId="7" pageNumber="38">Figs 5</figureCitation>
,
<figureCitation id="13102A757067FFB6FD76054A96B9FDDF" box="[647,662,539,565]" captionStart="FIGURE 6" captionStartId="9.[264,367,1683,1707]" captionTargetBox="[280,1298,317,1638]" captionTargetId="figure@9.[264,1323,296,1657]" captionTargetPageId="9" captionText="FIGURE 6. Syscenus karu sp. nov. A C, pereopods 1, 2, 7 respectively; D F, pleopods 1 3 respectively; G, uropod." httpUri="https://zenodo.org/record/170298/files/figure.png" pageId="7" pageNumber="38">6</figureCitation>
)
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C331657B7067FFB6FEF90508955FFD28" pageId="7" pageNumber="38" type="materials_examined">
<paragraph id="8B9436F07067FFB6FEF90508955FFD28" blockId="7.[264,1325,601,1851]" pageId="7" pageNumber="38">
<emphasis id="B95FEAE27067FFB6FEF9050895C6FD98" box="[264,489,601,626]" italics="true" pageId="7" pageNumber="38">Material examined</emphasis>
:
<typeStatus id="549088527067FFB6FE0A05089642FD99" box="[507,621,601,627]" pageId="7" pageNumber="38" type="holotype">Holotype</typeStatus>
: Ψ (
<quantity id="4CD39B157067FFB6FD510508973DFD99" box="[672,786,601,627]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" pageId="7" pageNumber="38" unit="mm" value="22.5">22.5 mm</quantity>
),
<collectingCountry id="F33C76607067FFB6FCD9050897A4FD99" box="[808,907,601,627]" name="Vanuatu" pageId="7" pageNumber="38">Vanuatu</collectingCountry>
,
<geoCoordinate id="EE1F50377067FFB6FC6B0508900EFD99" box="[922,1057,601,627]" direction="south" orientation="latitude" pageId="7" pageNumber="38" precision="9" value="-19.327">19°19.62S</geoCoordinate>
,
<geoCoordinate id="EE1F50377067FFB6FBC1050890E7FD99" box="[1072,1224,601,627]" direction="east" orientation="longitude" pageId="7" pageNumber="38" precision="9" value="169.4405">169°26.43E</geoCoordinate>
,
<date id="FF9510307067FFB6FB260508956AFD71" pageId="7" pageNumber="38" value="1994-09-23">23 Sep 1994</date>
, MUSORSTOM 8, stn. CP984, 480
<quantity id="4CD39B157067FFB6FCE905D09745FD71" box="[792,874,641,667]" metricMagnitude="2" metricUnit="m" metricValue="4.55" pageId="7" pageNumber="38" unit="m" value="455.0">455 m</quantity>
, coll. B. Richer de Forges (
<collectionCode id="ED3AAE357067FFB6FB3E05D09105FD71" LSID="urn:lsid:biocol.org:col:34988" box="[1231,1322,641,667]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="7" pageNumber="38">MNHN</collectionCode>
Is.5847).
</paragraph>
</subSubSection>
<subSubSection id="C331657B7067FFBBFEC905819674FD9C" lastPageId="10" lastPageNumber="41" pageId="7" pageNumber="38" type="description">
<paragraph id="8B9436F07067FFB6FEC905819029FBA7" blockId="7.[264,1325,601,1851]" pageId="7" pageNumber="38">
<emphasis id="B95FEAE27067FFB6FEC9058195EDFD03" box="[312,450,720,745]" italics="true" pageId="7" pageNumber="38">Description</emphasis>
:
<emphasis id="B95FEAE27067FFB6FE270581963DFD03" box="[470,530,720,745]" italics="true" pageId="7" pageNumber="38">Body</emphasis>
3.4 times as long as greatest width, lateral margins subparallel.
<emphasis id="B95FEAE27067FFB6FEF905A99544FCFB" box="[264,363,760,785]" italics="true" pageId="7" pageNumber="38">Rostrum</emphasis>
simple, anteriorly narrow.
<emphasis id="B95FEAE27067FFB6FD5705A996F2FCFB" box="[678,733,760,785]" italics="true" pageId="7" pageNumber="38">Eyes</emphasis>
not medially united (lateral in position), separated by about 70% width of head; each eye made up of ~6 transverse rows of ommatidia, each row with ~6 ommatidia; eye colour pale brown.
<emphasis id="B95FEAE27067FFB6FCCF041797A6FCB5" box="[830,905,838,863]" italics="true" pageId="7" pageNumber="38">Coxae</emphasis>
23 each with posteroventral angle rounded; 57 with entire oblique carina.
<emphasis id="B95FEAE27067FFB6FCF5043F9766FC6D" box="[772,841,878,903]" italics="true" pageId="7" pageNumber="38">Pleon</emphasis>
with pleonite 1 visible in dorsal view.
<emphasis id="B95FEAE27067FFB6FEF904C495ABFC44" box="[264,388,917,942]" italics="true" pageId="7" pageNumber="38">Pleotelson</emphasis>
1 times as long as anterior width, anterior dorsal surface with 2 sub­median depressions, posterior margin sub­truncate (with shallow median indentation), without RS.
<emphasis id="B95FEAE27067FFB6FEF904B59550FC17" box="[264,383,996,1021]" italics="true" pageId="7" pageNumber="38">Antennule</emphasis>
peduncle article 3 similar to other of the genus; flagellum with 8 articles, extending to anterior posterior margin of head.
<emphasis id="B95FEAE27067FFB6FCDE035D97BEFBCF" box="[815,913,1036,1061]" italics="true" pageId="7" pageNumber="38">Antenna</emphasis>
peduncle article 3 similar to others of the genus; flagellum with 32 articles, extending to pereonite 6.
</paragraph>
<paragraph id="8B9436F07067FFB6FEC9030A96A1FB01" blockId="7.[264,1325,601,1851]" pageId="7" pageNumber="38">
<emphasis id="B95FEAE27067FFB6FEC9030A95C6FB9E" box="[312,489,1115,1140]" italics="true" pageId="7" pageNumber="38">Frontal lamina</emphasis>
as wide as long, anteriorly acute.
<emphasis id="B95FEAE27067FFB6FC8D030A97C2FB9E" box="[892,1005,1115,1140]" italics="true" pageId="7" pageNumber="38">Mandible</emphasis>
palp article 3 with 2 setae.
<emphasis id="B95FEAE27067FFB6FEF903D39557FB71" box="[264,376,1154,1179]" italics="true" pageId="7" pageNumber="38">Maxillule</emphasis>
with 5 RS.
<emphasis id="B95FEAE27067FFB6FDFF03D39646FB71" box="[526,617,1154,1179]" italics="true" pageId="7" pageNumber="38">Maxilla</emphasis>
mesial lobe with 2 hooked RS (small); lateral lobe with 1 hooked RS (small).
<emphasis id="B95FEAE27067FFB6FE0003F8965FFB28" box="[497,624,1193,1218]" italics="true" pageId="7" pageNumber="38">Maxilliped</emphasis>
palp article 1 distomesial angle without RS; article 2 with 2 hooked RS; article 3 with absent.
</paragraph>
<paragraph id="8B9436F07067FFB6FEC903A8907FF8D1" blockId="7.[264,1325,601,1851]" pageId="7" pageNumber="38">
<emphasis id="B95FEAE27067FFB6FEC903A89626FAF8" box="[312,521,1273,1298]" italics="true" pageId="7" pageNumber="38">Pereopod 1 basis</emphasis>
2.2 times as long as greatest width;
<emphasis id="B95FEAE27067FFB6FC2103A89004FAF8" box="[976,1067,1273,1298]" italics="true" pageId="7" pageNumber="38">ischium</emphasis>
0.4 times as long as basis, inferior margin without RS, superior distal margin without setae;
<emphasis id="B95FEAE27067FFB6FB8E027190E8FAD3" box="[1151,1223,1312,1337]" italics="true" pageId="7" pageNumber="38">merus</emphasis>
inferior margin without RS, superior distal angle with 1 seta (acute RS); inferior margin without RS;
<emphasis id="B95FEAE27067FFB6FECC023E9584FA62" box="[317,427,1391,1416]" italics="true" pageId="7" pageNumber="38">propodus</emphasis>
2 times as long as proximal width, propodal palm simple, without blade or process, without setae, inferior margin without RS;
<emphasis id="B95FEAE27067FFB6FC9202C797EBFA45" box="[867,964,1430,1455]" italics="true" pageId="7" pageNumber="38">dactylus</emphasis>
0.9 times as long as propodus.
<emphasis id="B95FEAE27067FFB6FEF902EF95C6FA3D" box="[264,489,1470,1495]" italics="true" pageId="7" pageNumber="38">Pereopods 2 and 3</emphasis>
similar to pereopod 1.
<emphasis id="B95FEAE27067FFB6FCF002EF97A5FA3D" box="[769,906,1470,1495]" italics="true" pageId="7" pageNumber="38">Pereopod 6</emphasis>
similar to pereopod 7.
<emphasis id="B95FEAE27067FFB6FB5302EF9104FA3D" box="[1186,1323,1470,1495]" italics="true" pageId="7" pageNumber="38">Pereopod 7</emphasis>
basis 1.8 times as long as greatest width, inferior margins without palmate setae;
<emphasis id="B95FEAE27067FFB6FB3E02B49105FA14" box="[1231,1322,1509,1534]" italics="true" pageId="7" pageNumber="38">ischium</emphasis>
0.8 as long as basis, inferior margin without RS, superior distal angle with 4 RS, inferior distal angle with 1 robust seta;
<emphasis id="B95FEAE27067FFB6FD72016596E4F9A7" box="[643,715,1588,1613]" italics="true" pageId="7" pageNumber="38">merus</emphasis>
0.5 times as long as ischium, 1.4 times as long as wide, inferior margin without RS, superior distal angle with 3 RS, inferior distal angle with 2 RS;
<emphasis id="B95FEAE27067FFB6FE6301D295CDF976" box="[402,482,1667,1692]" italics="true" pageId="7" pageNumber="38">carpus</emphasis>
0.6 times as long as ischium, 2 times as long as wide, inferior margin without RS, superior distal angle with 11 RS, inferior distal angle with 1 robust seta;
<emphasis id="B95FEAE27067FFB6FEF901839559F901" box="[264,374,1746,1771]" italics="true" pageId="7" pageNumber="38">propodus</emphasis>
0.6 as long as ischium, 2.8 times as long as wide, inferior margin without RS, superior distal angle with 2 slender setae, inferior distal angle with 1 RS. Pereopods distal margins of ischium to carpus without setae; with strong carina on basis.
</paragraph>
<caption id="DF5466787068FFB9FEF901AB9533F8B4" httpUri="https://zenodo.org/record/170297/files/figure.png" pageId="8" pageNumber="39" targetBox="[279,1285,344,1746]" targetPageId="8">
<paragraph id="8B9436F07068FFB9FEF901AB9533F8B4" blockId="8.[264,1323,1786,1886]" pageId="8" pageNumber="39">
<emphasis id="B95FEAE27068FFB9FEF901AB95ACF8F8" bold="true" box="[264,387,1786,1810]" pageId="8" pageNumber="39">FIGURE 5</emphasis>
.
<taxonomicName id="4C2B4D737068FFB9FE6001AA9605F8F8" box="[401,554,1787,1810]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="8" pageNumber="39" phylum="Arthropoda" rank="species" species="karu" status="sp. nov.">
<emphasis id="B95FEAE27068FFB9FE6001AA9605F8F8" box="[401,554,1787,1810]" italics="true" pageId="8" pageNumber="39">Syscenus karu</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26C57997068FFB9FDC001AA96ABF8F8" box="[561,644,1787,1810]" pageId="8" pageNumber="39" rank="species">sp. nov.</taxonomicNameLabel>
A, dorsal view; B, lateral view; C, head, dorsal view; D, frons; E, maxillule; F, maxillule apex; G, maxilla; H, maxilla apex; I, maxilliped; J, maxilliped palp article 2.
</paragraph>
</caption>
<caption id="DF5466787069FFB8FEF901C29628F927" httpUri="https://zenodo.org/record/170298/files/figure.png" pageId="9" pageNumber="40" targetBox="[280,1298,317,1638]" targetPageId="9">
<paragraph id="8B9436F07069FFB8FEF901C29628F927" blockId="9.[264,1322,1681,1741]" pageId="9" pageNumber="40">
<emphasis id="B95FEAE27069FFB8FEF901C295A7F941" bold="true" box="[264,392,1683,1707]" pageId="9" pageNumber="40">FIGURE 6</emphasis>
.
<taxonomicName id="4C2B4D737069FFB8FE6A01C29617F940" box="[411,568,1683,1706]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="9" pageNumber="40" phylum="Arthropoda" rank="species" species="karu" status="sp. nov.">
<emphasis id="B95FEAE27069FFB8FE6A01C29617F940" box="[411,568,1683,1706]" italics="true" pageId="9" pageNumber="40">Syscenus karu</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26C57997069FFB8FDB501C296B3F940" box="[580,668,1683,1706]" pageId="9" pageNumber="40" rank="species">sp. nov.</taxonomicNameLabel>
AC, pereopods 1, 2, 7 respectively; DF, pleopods 13 respectively; G, uropod.
</paragraph>
</caption>
<paragraph id="8B9436F07069FFBBFEC9007896D6FEB4" blockId="9.[264,1321,1833,1899]" lastBlockId="10.[264,1325,284,1230]" lastPageId="10" lastPageNumber="41" pageId="9" pageNumber="40">
<emphasis id="B95FEAE27069FFB8FEC90078959CF8A8" box="[312,435,1833,1858]" italics="true" pageId="9" pageNumber="40">Pleopod 1</emphasis>
exopod 1.3 times as long as wide, lateral margin straight, mesial margin strongly convex, with PMS on central one­third; endopod 2 times as long as wide, lateral margin straight; peduncle mesial margin with 9 coupling hooks. Pleopods 25 peduncle distolateral margin each without acute RS.
</paragraph>
<paragraph id="8B9436F0706AFFBBFEC9063D963FFDA4" blockId="10.[264,1325,284,1230]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC9063D9629FE6F" box="[312,518,364,389]" italics="true" pageId="10" pageNumber="41">Uropod peduncle</emphasis>
ventrolateral margin without RS, posterior lobe about one­third as long as endopod. Uropod rami with endopod and exopod co­planar, rami extending to pleotelson apex.
<emphasis id="B95FEAE2706AFFBBFE3C06ED9618FE3F" box="[461,567,444,469]" italics="true" pageId="10" pageNumber="41">Endopod</emphasis>
lateral margin convex, lateral margin without RS, mesial margin weakly convex, without RS.
<emphasis id="B95FEAE2706AFFBBFDAB06B5969BFE17" box="[602,692,484,509]" italics="true" pageId="10" pageNumber="41">Exopod</emphasis>
not extending to end of endopod, 2.8 times as long as greatest width; lateral margin convex, without RS; mesial margin straight, without RS; distal margin rounded.
</paragraph>
<paragraph id="8B9436F0706AFFBBFEC9050D9674FD9C" blockId="10.[264,1325,284,1230]" box="[312,603,604,630]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC9050D9548FD9F" box="[312,359,604,629]" italics="true" pageId="10" pageNumber="41">Size</emphasis>
:
<typeStatus id="54908852706AFFBBFE87050D95CCFD9C" box="[374,483,604,630]" pageId="10" pageNumber="41" type="holotype">Holotype</typeStatus>
<quantity id="4CD39B15706AFFBBFE1A050D9678FD9C" box="[491,599,604,630]" metricMagnitude="-2" metricUnit="m" metricValue="2.25" pageId="10" pageNumber="41" unit="mm" value="22.5">22.5 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C331657B706AFFBBFEC905D59627FB94" pageId="10" pageNumber="41" type="discussion">
<paragraph id="8B9436F0706AFFBBFEC905D5978EFBBC" blockId="10.[264,1325,284,1230]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC905D5964FFD77" box="[312,608,644,669]" italics="true" pageId="10" pageNumber="41">
Remarks:
<taxonomicName id="4C2B4D73706AFFBBFE4505D5964FFD77" box="[436,608,644,669]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="karu" status="sp. nov.">Syscenus karu</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A26C5799706AFFBBFD9D05D596E4FD74" box="[620,715,644,670]" pageId="10" pageNumber="41" rank="species">sp. nov.</taxonomicNameLabel>
can be distinguished from all but one species of
<taxonomicName id="4C2B4D73706AFFBBFEF905FD955DFD2F" box="[264,370,684,709]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="genus">
<emphasis id="B95FEAE2706AFFBBFEF905FD955DFD2F" box="[264,370,684,709]" italics="true" pageId="10" pageNumber="41">Syscenus</emphasis>
</taxonomicName>
by the presence of conspicuous, faceted eyes.
<taxonomicName id="4C2B4D73706AFFBBFC4605FD9588FD04" authority="Menzies &amp; George, 1972" authorityName="Menzies &amp; George" authorityYear="1972" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="peruanus">
<emphasis id="B95FEAE2706AFFBBFC4605FD90B6FD2F" box="[951,1177,684,709]" italics="true" pageId="10" pageNumber="41">Syscenus peruanus</emphasis>
<bibRefCitation id="EFBA4B01706AFFBBFB5405FD9588FD04" author="Menzies" pageId="10" pageNumber="42" refString="Menzies, R. J. &amp; George, R. Y. (1972) Isopod Crustacea of the Peru - Chile Trench. Anton Bruun Report. Scientific Results of the Southeast Pacific Expedition, Texas A &amp; M Press: College Station Texas, 9, 1 - 124." type="journal article" year="1972">Menzies &amp; George, 1972</bibRefCitation>
</taxonomicName>
is described as having eyes degenerate, lacking pigment but bearing ocelli. The eyes of
<taxonomicName id="4C2B4D73706AFFBBFE6805AD95C3FCFF" box="[409,492,764,789]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="karu">
<emphasis id="B95FEAE2706AFFBBFE6805AD95C3FCFF" box="[409,492,764,789]" italics="true" pageId="10" pageNumber="41">S. karu</emphasis>
</taxonomicName>
are conspicuous, pale brown in colour, and the ommatidia are distinct.
<taxonomicName id="4C2B4D73706AFFBBFEF904759574FCD7" box="[264,347,804,829]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="karu">
<emphasis id="B95FEAE2706AFFBBFEF904759574FCD7" box="[264,347,804,829]" italics="true" pageId="10" pageNumber="41">S. karu</emphasis>
</taxonomicName>
is further distinguished by the shape of anterior margin of the head which has the median portion strongly produced, the basis of pereopods 47 each bearing a strong mesial blade, and the relatively stout pereopods (proportional measurements are provided in the descriptions; in
<taxonomicName id="4C2B4D73706AFFBBFE3804CD9631FC5F" box="[457,542,924,949]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="karu">
<emphasis id="B95FEAE2706AFFBBFE3804CD9631FC5F" box="[457,542,924,949]" italics="true" pageId="10" pageNumber="41">S. karu</emphasis>
</taxonomicName>
pereopod 7 is 6.1 times as long as the width of the basis, for
<taxonomicName id="4C2B4D73706AFFBBFAE504CD9577FC37" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="moana">
<emphasis id="B95FEAE2706AFFBBFAE504CD9577FC37" italics="true" pageId="10" pageNumber="41">S. moana</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2B4D73706AFFBBFE620495967FFC37" box="[403,592,964,989]" class="Malacostraca" family="Aegidae" genus="Syscenus" kingdom="Animalia" order="Isopoda" pageId="10" pageNumber="41" phylum="Arthropoda" rank="species" species="springthorpei">
<emphasis id="B95FEAE2706AFFBBFE620495967FFC37" box="[403,592,964,989]" italics="true" pageId="10" pageNumber="41">S. springthorpei</emphasis>
</taxonomicName>
that proportion is 13.7 and 12.2 respectively). This species is unusual within the genus in having pleopod 5 peduncle provided with coupling hooks, and also in pleopods 13 exopods having marginal setae only on the distomesial margin. and the endopods of pleopods 15 all lacking marginal setae.
</paragraph>
<paragraph id="8B9436F0706AFFBBFEC903359627FB94" blockId="10.[264,1325,284,1230]" box="[312,520,1124,1150]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC903359541FB97" box="[312,366,1124,1149]" italics="true" pageId="10" pageNumber="41">Prey</emphasis>
: Not known.
</paragraph>
</subSubSection>
<subSubSection id="C331657B706AFFBBFEC903DD902BFB4C" box="[312,1028,1164,1190]" pageId="10" pageNumber="41" type="distribution">
<paragraph id="8B9436F0706AFFBBFEC903DD902BFB4C" blockId="10.[264,1325,284,1230]" box="[312,1028,1164,1190]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC903DD95E8FB4F" box="[312,455,1164,1189]" italics="true" pageId="10" pageNumber="41">Distribution</emphasis>
: Known only from the
<typeStatus id="54908852706AFFBBFD2B03DD9723FB4C" box="[730,780,1164,1190]" pageId="10" pageNumber="41">type</typeStatus>
locality off
<collectingCountry id="F33C7660706AFFBBFC6D03DD902FFB4C" box="[924,1024,1164,1190]" name="Vanuatu" pageId="10" pageNumber="41">Vanuatu</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C331657B706AFFBBFEC903E590A2FB24" box="[312,1165,1204,1230]" pageId="10" pageNumber="41" type="etymology">
<paragraph id="8B9436F0706AFFBBFEC903E590A2FB24" blockId="10.[264,1325,284,1230]" box="[312,1165,1204,1230]" pageId="10" pageNumber="41">
<emphasis id="B95FEAE2706AFFBBFEC903E5959AFB27" box="[312,437,1204,1229]" italics="true" pageId="10" pageNumber="41">Etymology</emphasis>
: The epithet is a Polynesian word for eye; noun in apposition.
</paragraph>
</subSubSection>
</treatment>
</document>