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<document id="DFCEAAE0DBC0C7CB65B98A4150ECA724" ID-CLB-Dataset="27568" ID-DOI="10.11646/zootaxa.4554.2.6" ID-GBIF-Dataset="dede68a0-5291-4c06-b3f7-4f41cf1295e0" ID-ISSN="1175-5326" ID-Zenodo-Dep="2623831" ID-ZooBank="13B319F8-915A-4FE5-8E56-C8C61ECCF369" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1554271583234" checkinUser="plazi" docAuthor="Ariyama, Hiroyuki" docDate="2019" docId="894F3B29FFED31197596FF6A262EF81A" docLanguage="en" docName="zootaxa.4554.2.6.pdf" docOrigin="Zootaxa 4554 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Quadrimaera gotoensis Ariyama 2019, sp. nov." docType="treatment" docUuid="460736F1-0AB4-4708-BA57-6321E335334C" docUuidSource="ZooBank" docVersion="16" lastPageNumber="473" masterDocId="75764351FFE431147501FFFD222EFFAF" masterDocTitle="Species of the Maera - clade collected from Japan. Part 2: genera Austromaera Lowry &amp; Springthorpe, 2005 and Quadrimaera Krapp-Schickel &amp; Ruffo, 2000 (Crustacea: Amphipoda: Maeridae)" masterLastPageNumber="496" masterPageNumber="460" pageNumber="469" updateTime="1698716287362" updateUser="ExternalLinkService">
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<mods:title id="D10280CD827DCAEDF5A77E6E1C539C3F">Species of the Maera - clade collected from Japan. Part 2: genera Austromaera Lowry &amp; Springthorpe, 2005 and Quadrimaera Krapp-Schickel &amp; Ruffo, 2000 (Crustacea: Amphipoda: Maeridae)</mods:title>
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<mods:namePart id="7494EA52DF0CF8F7D6E09A935FE8CDBF">Ariyama, Hiroyuki</mods:namePart>
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<mods:part id="548FB81006FAED461C0D264823664F6C">
<mods:date id="2DE600BD7324C8C956D1CF1AE84F949A">2019</mods:date>
<mods:detail id="773604A7D93C26AF77D0D8CA04D53177" type="pubDate">
<mods:number id="6BCF91C0750086E54802F871802343DC">2019-02-11</mods:number>
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<mods:number id="887ECD2955511FC1ABD46820A37AD09C">4554</mods:number>
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<mods:classification id="7EF1F29D8781B13D3554357F27F0C31E">journal article</mods:classification>
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<mods:identifier id="DD4249552F222D096877A3E19E83BB14" type="DOI">10.11646/zootaxa.4554.2.6</mods:identifier>
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<treatment id="894F3B29FFED31197596FF6A262EF81A" ID-DOI="http://doi.org/10.5281/zenodo.5316964" ID-GBIF-Taxon="154532531" ID-Zenodo-Dep="5316964" LSID="urn:lsid:zoobank.org:act:460736F1-0AB4-4708-BA57-6321E335334C" httpUri="http://treatment.plazi.org/id/894F3B29FFED31197596FF6A262EF81A" lastPageId="13" lastPageNumber="473" pageId="9" pageNumber="469">
<subSubSection id="49FCD9B4FFED311D7596FF6A20A5FF7D" pageId="9" pageNumber="469" type="nomenclature">
<paragraph id="01598A3FFFED311D7596FF6A2038FF1D" blockId="9.[151,651,151,247]" box="[151,534,151,178]" pageId="9" pageNumber="469">
<heading id="5A113D53FFED311D7596FF6A2038FF1D" bold="true" box="[151,534,151,178]" fontSize="11" level="1" pageId="9" pageNumber="469" reason="1">
<emphasis id="3392562DFFED311D7596FF6A2038FF1D" bold="true" box="[151,534,151,178]" pageId="9" pageNumber="469">
<taxonomicName id="C6E6F1BCFFED311D7596FF6A239FFF1E" ID-CoL="7ZL36" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[151,433,151,177]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="469" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFED311D7596FF6A239FFF1E" bold="true" box="[151,433,151,177]" italics="true" pageId="9" pageNumber="469">Quadrimaera gotoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="28A1EB56FFED311D74B8FF652038FF1D" box="[441,534,152,178]" pageId="9" pageNumber="469" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="01598A3FFFED311D7596FF4620A5FF7D" blockId="9.[151,651,151,247]" box="[151,651,186,211]" pageId="9" pageNumber="469">[Japanese name: Gotō-sunnariyokoebi, new]</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFED311D7596FF232324FF58" box="[151,266,222,247]" pageId="9" pageNumber="469" type="description">
<paragraph id="01598A3FFFED311D7596FF232324FF58" blockId="9.[151,651,151,247]" box="[151,266,222,247]" pageId="9" pageNumber="469">
(
<figureCitation id="99DD96BAFFED311D759EFF23232DFF58" box="[159,259,222,247]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStart-2="FIGURE 8" captionStart-3="FIGURE 9" captionStartId-0="9.[151,250,1734,1756]" captionStartId-1="10.[151,250,2002,2024]" captionStartId-2="12.[151,250,1998,2020]" captionStartId-3="13.[151,250,1591,1613]" captionTargetBox-0="[308,1256,878,1669]" captionTargetBox-1="[201,1373,239,1826]" captionTargetBox-2="[209,1384,234,1937]" captionTargetBox-3="[209,1396,237,1477]" captionTargetId-0="figure@9.[151,1436,804,1712]" captionTargetId-1="figure@10.[163,1425,195,1979]" captionTargetId-2="figure@12.[163,1425,193,1977]" captionTargetId-3="figure@13.[151,1436,193,1570]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionTargetPageId-2="12" captionTargetPageId-3="13" captionText-0="FIGURE 6. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Habitus." captionText-1="FIGURE 7. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.1 mm." captionText-2="FIGURE 8. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.2 mm." captionText-3="FIGURE 9. Quadrimaera gotoensis sp. nov. All except for M, holotype, male, 11.6 mm (OMNH-Ar-10597); M, paratype, male, 11.2 mm (OMNH-Ar-10598). Scales: 0.2 mm." httpUri-0="https://zenodo.org/record/2623846/files/figure.png" httpUri-1="https://zenodo.org/record/2623848/files/figure.png" httpUri-2="https://zenodo.org/record/2623850/files/figure.png" httpUri-3="https://zenodo.org/record/2623852/files/figure.png" pageId="9" pageNumber="469">Figs 69</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFED311D7596FEDB26EAFE05" pageId="9" pageNumber="469" type="materials_examined">
<paragraph id="01598A3FFFED311D7596FEDB263FFE28" blockId="9.[151,1437,294,751]" pageId="9" pageNumber="469">
<emphasis id="3392562DFFED311D7596FEDB2365FE90" bold="true" box="[151,331,294,319]" pageId="9" pageNumber="469">Type material.</emphasis>
<materialsCitation id="B18E8062FFED311D7459FEDB232CFE28" ID-GBIF-Occurrence="2234214808" collectingDate="1 I" collectorName="T. Shiraiwa." county="Nagasaki Prefecture" latitude="33.024445" location="Nama Bay" longLatPrecision="20" longitude="129.0875" municipality="Nakadori Island in Goto Islands" pageId="9" pageNumber="469" specimenCount="1" typeStatus="holotype">
<typeStatus id="DE5D349DFFED311D7459FEDB23EBFE90" box="[344,453,294,319]" pageId="9" pageNumber="469" type="holotype">Holotype</typeStatus>
: male,
<quantity id="C61E27DAFFED311D771EFEDB20A7FE91" box="[543,649,294,319]" metricMagnitude="-2" metricUnit="m" metricValue="1.16" pageId="9" pageNumber="469" unit="mm" value="11.6">11.6 mm</quantity>
(OMNH-Ar-10597),
<location id="0439DCE4FFED311D7686FEDA262BFE90" LSID="urn:lsid:plazi:treatment:894F3B29FFED31197596FF6A262EF81A:0439DCE4FFED311D7686FEDA262BFE90" box="[903,1029,295,319]" county="Nagasaki Prefecture" latitude="33.024445" longLatPrecision="20" longitude="129.0875" municipality="Nakadori Island in Goto Islands" name="Nama Bay" pageId="9" pageNumber="469">Nama Bay</location>
,
<collectingMunicipality id="E13D1045FFED311D7116FEDB27B6FE90" box="[1047,1432,294,319]" pageId="9" pageNumber="469">Nakadōri Island in Gotō Islands</collectingMunicipality>
,
<collectingCounty id="E838F2B3FFED311D7596FEB723AEFECC" box="[151,384,330,355]" pageId="9" pageNumber="469">Nagasaki Prefecture</collectingCounty>
,
<geoCoordinate id="64D2ECF8FFED311D748FFEB6203DFECC" box="[398,531,331,355]" direction="north" orientation="latitude" pageId="9" pageNumber="469" precision="15" value="33.024445">33°01'28&quot;N</geoCoordinate>
<geoCoordinate id="64D2ECF8FFED311D771CFEB72085FECC" box="[541,683,330,355]" direction="east" orientation="longitude" pageId="9" pageNumber="469" precision="15" value="129.0875">129°05'15&quot;E</geoCoordinate>
(
<figureCitation id="99DD96BAFFED311D77BEFEB72120FECC" box="[703,782,330,355]" captionStart="FIGURE 1" captionStartId="1.[151,250,1839,1861]" captionTargetBox="[186,1409,325,1754]" captionTargetId="figure@1.[151,1436,297,1782]" captionTargetPageId="1" captionText="FIGURE 1. Map showing collecting sites of the examined specimens. A, Otsuchi Town in Iwate Prefecture; B, Miura City in Kanagawa Prefecture; C, Maizuru City in Kyoto Prefecture; D, Misaki Town in Osaka Prefecture and Wakayama City in Wakayama Prefecture; E, Kushimoto Town in Wakayama Prefecture; FH, Ariake Sea; I, Nakadōri Island in the Gotō Islands, Nagasaki Prefecture; J, south of Yakushima Island in Kagoshima Prefecture." httpUri="https://zenodo.org/record/2623833/files/figure.png" pageId="9" pageNumber="469">
Fig.
<date id="7558ACFFFFED311D77F6FEB62120FECC" box="[759,782,331,355]" pageId="9" pageNumber="469">
<collectingDate id="651C5517FFED311D77F6FEB62120FECC" box="[759,782,331,355]" pageId="9" pageNumber="469">1I</collectingDate>
</date>
</figureCitation>
), intertidal, under stones, 2007 (date unknown), coll.
<collectorName id="AC13EFE9FFED311D7087FEB6232CFE28" pageId="9" pageNumber="469">T. Shiraiwa.</collectorName>
</materialsCitation>
<typeStatus id="DE5D349DFFED311D7409FE922340FE28" box="[264,366,367,391]" pageId="9" pageNumber="469" type="paratype">Paratype</typeStatus>
: male,
<quantity id="C61E27DAFFED311D74BFFE92200FFE29" box="[446,545,367,391]" metricMagnitude="-2" metricUnit="m" metricValue="1.1199999999999999" pageId="9" pageNumber="469" unit="mm" value="11.2">11.2 mm</quantity>
(OMNH-Ar-10598), same data as holotype.
</paragraph>
<paragraph id="01598A3FFFED311D75C6FE6F26EAFE05" blockId="9.[151,1437,294,751]" box="[199,1220,402,427]" pageId="9" pageNumber="469">
<materialsCitation id="B18E8062FFED311D75C6FE6F2691FE05" ID-GBIF-Occurrence="2234214911" box="[199,1215,402,427]" country="Japan" county="Goto Islands" location="Nama Bay" municipality="Nakadori Island" pageId="9" pageNumber="469" specimenCount="1" stateProvince="Nagasaki" typeStatus="holotype">
<emphasis id="3392562DFFED311D75C6FE6F234BFE04" bold="true" box="[199,357,402,427]" pageId="9" pageNumber="469">
<typeStatus id="DE5D349DFFED311D75C6FE6F232CFE04" box="[199,258,402,427]" pageId="9" pageNumber="469">Type</typeStatus>
locality.
</emphasis>
<location id="0439DCE4FFED311D746DFE6E23CAFE04" LSID="urn:lsid:plazi:treatment:894F3B29FFED31197596FF6A262EF81A:0439DCE4FFED311D746DFE6E23CAFE04" box="[364,484,403,427]" country="Japan" county="Goto Islands" municipality="Nakadori Island" name="Nama Bay" pageId="9" pageNumber="469" stateProvince="Nagasaki">Nama Bay</location>
,
<collectingMunicipality id="E13D1045FFED311D74EEFE6F208DFE04" box="[495,675,402,427]" pageId="9" pageNumber="469">Nakadōri Island</collectingMunicipality>
in the
<collectingCounty id="E838F2B3FFED311D77F1FE6E21AFFE04" box="[752,897,402,427]" pageId="9" pageNumber="469">Gotō Islands</collectingCounty>
,
<collectingRegion id="C32244DDFFED311D768DFE6F265FFE04" box="[908,1137,402,427]" country="Japan" name="Nagasaki" pageId="9" pageNumber="469">Nagasaki Prefecture</collectingRegion>
,
<collectingCountry id="79F1CAAFFFED311D717DFE6E2691FE05" box="[1148,1215,403,426]" name="Japan" pageId="9" pageNumber="469">Japan</collectingCountry>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFED311D75C6FE4B20B0FE60" box="[199,670,438,463]" pageId="9" pageNumber="469" type="etymology">
<paragraph id="01598A3FFFED311D75C6FE4B20B0FE60" blockId="9.[151,1437,294,751]" box="[199,670,438,463]" pageId="9" pageNumber="469">
<emphasis id="3392562DFFED311D75C6FE4B2360FE60" bold="true" box="[199,334,438,463]" pageId="9" pageNumber="469">Etymology.</emphasis>
Referring to the
<typeStatus id="DE5D349DFFED311D770DFE4A2012FE60" box="[524,572,439,463]" pageId="9" pageNumber="469">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFED311D75C6FE2721B7FD08" pageId="9" pageNumber="469" type="diagnosis">
<paragraph id="01598A3FFFED311D75C6FE2721B7FD08" blockId="9.[151,1437,294,751]" pageId="9" pageNumber="469">
<emphasis id="3392562DFFED311D75C6FE27236FFE5C" bold="true" box="[199,321,474,499]" pageId="9" pageNumber="469">Diagnosis.</emphasis>
<emphasis id="3392562DFFED311D7449FE2723F2FE5C" box="[328,476,474,499]" italics="true" pageId="9" pageNumber="469">Gnathopod 1</emphasis>
, coxa anteroventral corner rounded.
<emphasis id="3392562DFFED311D767AFE272667FE5C" box="[891,1097,474,499]" italics="true" pageId="9" pageNumber="469">Male gnathopod 2</emphasis>
, anterior margin of basis with several robust setae, anterodistal corners of basis and ischium lobate on lateral and medial surfaces, propodus subrectangular, palm transverse, defined by large tooth, palmar margin with small quadrate excavation in middle, posterior excavation absent.
<emphasis id="3392562DFFED311D74D7FDBB2053FDF1" box="[470,637,582,607]" italics="true" pageId="9" pageNumber="469">Pereopods 57</emphasis>
, bases subovate, gradually wider in order, posterior margins not setose.
<emphasis id="3392562DFFED311D7596FD97232CFD2C" box="[151,258,618,643]" italics="true" pageId="9" pageNumber="469">Uropod 3</emphasis>
, rami subequal, about twice length of peduncle.
<emphasis id="3392562DFFED311D7627FD972142FD2C" box="[806,876,618,643]" italics="true" pageId="9" pageNumber="469">Telson</emphasis>
longer than wide, tips of both lobes incised, each with 34 robust setae, longest robust seta about half length of telson.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFED311F75C6FD4F23E2F8DF" lastPageId="11" lastPageNumber="471" pageId="9" pageNumber="469" type="description">
<paragraph id="01598A3FFFED311D75C6FD4F203DFD40" blockId="9.[151,1437,294,751]" pageId="9" pageNumber="469">
<emphasis id="3392562DFFED311D75C6FD4F2377FD64" bold="true" box="[199,345,690,715]" pageId="9" pageNumber="469">Description.</emphasis>
Based on
<typeStatus id="DE5D349DFFED311D74D2FD4F2016FD64" box="[467,568,690,715]" pageId="9" pageNumber="469" type="holotype">holotype</typeStatus>
, male,
<quantity id="C61E27DAFFED311D778AFD4F20DEFD65" box="[651,752,690,715]" metricMagnitude="-2" metricUnit="m" metricValue="1.16" pageId="9" pageNumber="469" unit="mm" value="11.6">11.6 mm</quantity>
(OMNH-Ar-10597) and
<typeStatus id="DE5D349DFFED311D7111FD4E265DFD64" box="[1040,1139,691,715]" pageId="9" pageNumber="469" type="paratype">paratype</typeStatus>
, male,
<quantity id="C61E27DAFFED311D71C6FD4E2702FD65" box="[1223,1324,691,715]" metricMagnitude="-2" metricUnit="m" metricValue="1.1199999999999999" pageId="9" pageNumber="469" unit="mm" value="11.2">11.2 mm</quantity>
(OMNH- Ar-10598) for uropod 1 peduncle.
</paragraph>
<caption id="5599DAB7FFED311D7596F93B26B7F973" box="[151,1177,1734,1756]" httpUri="https://zenodo.org/record/2623846/files/figure.png" pageId="9" pageNumber="469" startId="9.[151,250,1734,1756]" targetBox="[308,1256,878,1669]" targetPageId="9">
<paragraph id="01598A3FFFED311D7596F93B26B7F973" blockId="9.[151,1177,1734,1756]" box="[151,1177,1734,1756]" pageId="9" pageNumber="469">
<emphasis id="3392562DFFED311D7596F93B233CF974" bold="true" box="[151,274,1734,1756]" pageId="9" pageNumber="469">FIGURE 6.</emphasis>
<taxonomicName id="C6E6F1BCFFED311D7418F93B2027F973" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[281,521,1734,1756]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="469" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFED311D7418F93B2027F973" box="[281,521,1734,1756]" italics="true" pageId="9" pageNumber="469">Quadrimaera gotoensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFED311D770EF93B2071F974" bold="true" box="[527,607,1734,1755]" pageId="9" pageNumber="469">
<taxonomicNameLabel id="28A1EB56FFED311D770EF93B2071F974" box="[527,607,1734,1755]" pageId="9" pageNumber="469" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, male, 11.6 mm (OMNH-Ar-10597). Habitus.
</paragraph>
</caption>
<caption id="5599DAB7FFEE311E7596F82F26C8F847" box="[151,1254,2002,2024]" httpUri="https://zenodo.org/record/2623848/files/figure.png" pageId="10" pageNumber="470" startId="10.[151,250,2002,2024]" targetBox="[201,1373,239,1826]" targetPageId="10">
<paragraph id="01598A3FFFEE311E7596F82F26C8F847" blockId="10.[151,1254,2002,2024]" box="[151,1254,2002,2024]" pageId="10" pageNumber="470">
<emphasis id="3392562DFFEE311E7596F82F233CF848" bold="true" box="[151,274,2002,2024]" pageId="10" pageNumber="470">FIGURE 7.</emphasis>
<taxonomicName id="C6E6F1BCFFEE311E7418F82F2027F847" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[281,521,2002,2024]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="470" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFEE311E7418F82F2027F847" box="[281,521,2002,2024]" italics="true" pageId="10" pageNumber="470">Quadrimaera gotoensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFEE311E770EF82F2071F848" bold="true" box="[527,607,2002,2023]" pageId="10" pageNumber="470">
<taxonomicNameLabel id="28A1EB56FFEE311E770EF82F2071F848" box="[527,607,2002,2023]" pageId="10" pageNumber="470" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.1 mm.
</paragraph>
</caption>
<paragraph id="01598A3FFFEF311F75C6FF6A23F6FD08" blockId="11.[151,1437,151,1904]" pageId="11" pageNumber="471">
<emphasis id="3392562DFFEF311F75C6FF6A2329FF1F" bold="true" box="[199,263,151,176]" pageId="11" pageNumber="471">Head</emphasis>
(
<figureCitation id="99DD96BAFFEF311F7416FF6A2350FF1F" box="[279,382,151,176]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStartId-0="9.[151,250,1734,1756]" captionStartId-1="10.[151,250,2002,2024]" captionTargetBox-0="[308,1256,878,1669]" captionTargetBox-1="[201,1373,239,1826]" captionTargetId-0="figure@9.[151,1436,804,1712]" captionTargetId-1="figure@10.[163,1425,195,1979]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="FIGURE 6. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Habitus." captionText-1="FIGURE 7. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.1 mm." httpUri-0="https://zenodo.org/record/2623846/files/figure.png" httpUri-1="https://zenodo.org/record/2623848/files/figure.png" pageId="11" pageNumber="471">Figs 67</figureCitation>
). Anteroventral corner produced acutely, eyes subrounded, about 0.2 times as long as head.
<emphasis id="3392562DFFEF311F7596FF412325FF7B" box="[151,267,188,212]" italics="true" pageId="11" pageNumber="471">Antenna 1</emphasis>
about 0.4 times body length, setose; peduncle with ratio of lengths of articles 13 1:1.2:0.3, article 1 with 4 (2 lost) robust setae posteromedially, anterodistal corner with bundle of setae; accessory flagellum with 9 articles, terminal article minute, length about half of primary flagellum; primary flagellum with 18 articles.
<emphasis id="3392562DFFEF311F7596FED52322FEEF" box="[151,268,296,320]" italics="true" pageId="11" pageNumber="471">Antenna 2</emphasis>
about 0.8 times length of antenna 1, setose; peduncle with ratio of lengths of articles 35 1:3.5:2.8; flagellum with 13 articles, terminal article short.
<emphasis id="3392562DFFEF311F77CAFEB02114FECA" box="[715,826,332,357]" italics="true" pageId="11" pageNumber="471">Upper lip</emphasis>
, ventral margin rounded, with short setae.
<emphasis id="3392562DFFEF311F702BFEB127BBFECA" box="[1322,1429,332,357]" italics="true" pageId="11" pageNumber="471">Mandible</emphasis>
, incisor bearing 3 and 6? cusps in left and right, respectively, left lacinia mobilis 4-dentate, right lacinia mobilis 3- dentate, number of accessory setae 8 on left side and 7 on right side; palp article length ratio in right 1:2.0:1.8, articles 2
<emphasis id="3392562DFFEF311F7401FE442320FE7F" box="[256,270,441,464]" italics="true" pageId="11" pageNumber="471"></emphasis>
3 heavily setose.
<emphasis id="3392562DFFEF311F74DBFE442064FE7F" box="[474,586,439,464]" italics="true" pageId="11" pageNumber="471">Lower lip</emphasis>
with inner lobes, distal margins of inner and outer lobes densely setose, mandibular processes small.
<emphasis id="3392562DFFEF311F74D9FE21206AFE5B" box="[472,580,476,501]" italics="true" pageId="11" pageNumber="471">Maxilla 1</emphasis>
, inner plate bullet-shaped, with 3 long and 1 tiny apical setae, medial margin with several short feeble setae; distal margin of outer plate with 9 robust setae; palp article 1 bearing 3 short setae distolaterally, article 2 with many apical setae.
<emphasis id="3392562DFFEF311F77A3FDD92120FD93" box="[674,782,548,573]" italics="true" pageId="11" pageNumber="471">Maxilla 2</emphasis>
, outer plate larger than inner plate; medial margin of inner plate with several distal setae and many feeble setae.
<emphasis id="3392562DFFEF311F77FCFDBA2158FDCF" box="[765,886,583,608]" italics="true" pageId="11" pageNumber="471">Maxilliped</emphasis>
, distomedial corner of inner plate with 2 robust setae ventrally; outer plate with 25 long-to-short robust setae on distomedial margin; palp with 4 articles, article 4 with large apical robust seta.
</paragraph>
<paragraph id="01598A3FFFEF311F75C6FD49267FFC42" blockId="11.[151,1437,151,1904]" pageId="11" pageNumber="471">
<emphasis id="3392562DFFEF311F75C6FD492335FD62" bold="true" box="[199,283,692,717]" pageId="11" pageNumber="471">Pereon</emphasis>
(
<figureCitation id="99DD96BAFFEF311F742DFD49235EFD63" box="[300,368,692,717]" captionStart="FIGURE 8" captionStartId="12.[151,250,1998,2020]" captionTargetBox="[209,1384,234,1937]" captionTargetId="figure@12.[163,1425,193,1977]" captionTargetPageId="12" captionText="FIGURE 8. Quadrimaera gotoensis sp. nov. Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.2 mm." httpUri="https://zenodo.org/record/2623850/files/figure.png" pageId="11" pageNumber="471">Fig. 8</figureCitation>
).
<emphasis id="3392562DFFEF311F7488FD492030FD63" box="[393,542,692,717]" italics="true" pageId="11" pageNumber="471">Gnathopod 1</emphasis>
, coxa roundish trapezoidal, anteroventral corner rounded; basis with posterior margin bearing many long setae, medioproximal surface with several setae; carpus with shallow excavation on anterior margin; propodus palm defined by short robust seta.
<emphasis id="3392562DFFEF311F7675FD012623FCBB" box="[884,1037,764,789]" italics="true" pageId="11" pageNumber="471">Gnathopod 2</emphasis>
, coxa subtrapezoidal; basis short, anterodistal corners on lateral and medial surfaces lobate, anterior margin with 6 robust setae, posterior margin bearing several long setae; ischium, anterodistal corners on lateral and medial surfaces lobate; merus with acute posterodistal spine; propodus subrectangular, slightly widened distally, length about 1.3 times width; palm transverse, defined by large tooth with robust seta, margin with small quadrate excavation in middle, posterior excavation absent, anterior lobe slightly hollowed in middle, with 3 lateral and 3 medial robust setae, posterior lobe bearing 7 lateral and 6 medial robust setae; dactylus, inner margin swollen in middle.
</paragraph>
<paragraph id="01598A3FFFEF311F75C6FC0A2012FAA3" blockId="11.[151,1437,151,1904]" pageId="11" pageNumber="471">
<emphasis id="3392562DFFEF311F75C6FC0A235EFBBF" box="[199,368,1015,1040]" italics="true" pageId="11" pageNumber="471">Pereopods 34</emphasis>
subequal in shape, pereopod 3 about 105% length of pereopod 4; coxae subrectangular; bases with posterior margins bearing several long setae.
<emphasis id="3392562DFFEF311F77DEFBE1214DFB9B" box="[735,867,1052,1077]" italics="true" pageId="11" pageNumber="471">Pereopod 5</emphasis>
about 1.3 times length of pereopod 4; coxa with posterior lobe bearing robust seta; basis subovate, length about 1.8 times width, anterior margin with 7 short robust setae.
<emphasis id="3392562DFFEF311F75DEFB99234DFBD2" box="[223,355,1124,1149]" italics="true" pageId="11" pageNumber="471">Pereopod 6</emphasis>
about 1.2 times length of pereopod 5; coxa with 2 and 1 ventral robust setae on anterior and posterior lobes, respectively; basis subovate, length about 1.7 times width, anterior margin with 11 short robust setae, posterior margin minutely serrate.
<emphasis id="3392562DFFEF311F7782FB512125FB6B" box="[643,779,1196,1221]" italics="true" pageId="11" pageNumber="471">Pereopod 7</emphasis>
slightly shorter than pereopod 6; coxa subtrapezoidal, anteroventral corner with robust seta; basis subovate, length about 1.5 times width, anterior margin with 7 short robust setae, posterior margin serrate.
</paragraph>
<paragraph id="01598A3FFFEF311F75C6FAEA273DF8E3" blockId="11.[151,1437,151,1904]" pageId="11" pageNumber="471">
<emphasis id="3392562DFFEF311F75C6FAEA2324FA9F" bold="true" box="[199,266,1303,1328]" pageId="11" pageNumber="471">Pleon</emphasis>
(
<figureCitation id="99DD96BAFFEF311F7419FAEA2374FA9F" box="[280,346,1303,1328]" captionStart="FIGURE 9" captionStartId="13.[151,250,1591,1613]" captionTargetBox="[209,1396,237,1477]" captionTargetId="figure@13.[151,1436,193,1570]" captionTargetPageId="13" captionText="FIGURE 9. Quadrimaera gotoensis sp. nov. All except for M, holotype, male, 11.6 mm (OMNH-Ar-10597); M, paratype, male, 11.2 mm (OMNH-Ar-10598). Scales: 0.2 mm." httpUri="https://zenodo.org/record/2623852/files/figure.png" pageId="11" pageNumber="471">Fig. 9</figureCitation>
).
<emphasis id="3392562DFFEF311F7470FAE4202FFA9F" box="[369,513,1304,1328]" italics="true" pageId="11" pageNumber="471">Epimera 13</emphasis>
slightly projected posteroventrally, with minute seta posteriorly; epimera 12 each with oblique lateral ridge, ventral margins of epimera 13 with 1, 3, 4 robust setae, respectively.
<emphasis id="3392562DFFEF311F71F8FAC127BBFAFB" box="[1273,1429,1340,1365]" italics="true" pageId="11" pageNumber="471">Pleopods 13</emphasis>
, inner rami longer than outer rami, inner rami with 18, 18, 15 articles and outer rami with 17, 18, 17 articles respectively; pleopod 3 shortest, peduncle bearing short seta.
<emphasis id="3392562DFFEF311F7685FA7921D9FA33" box="[900,1015,1412,1437]" italics="true" pageId="11" pageNumber="471">Uropod 1</emphasis>
, peduncle with 1 basofacial, 9
<emphasis id="3392562DFFEF311F7073FA7827AEFA33" box="[1394,1408,1413,1436]" italics="true" pageId="11" pageNumber="471"></emphasis>
10 dorsolateral, 5 dorsomedial and 1 distolateral robust setae; outer ramus slightly shorter than inner ramus, about 85% length of peduncle, with 4 lateral, 5 medial and 5 terminal robust setae; inner ramus with 4 lateral, 4 medial and 5 terminal robust setae.
<emphasis id="3392562DFFEF311F74DAFA122066F9A7" box="[475,584,1519,1544]" italics="true" pageId="11" pageNumber="471">Uropod 2</emphasis>
about 0.7 times length of uropod 1; peduncle bearing 5 dorsolateral and 2 dorsomedial robust setae; outer ramus about 75% length of inner ramus, about 105% length of peduncle, with 4 lateral, 3 medial and 5 terminal robust setae; inner ramus with 3 lateral, 4 medial and 5 terminal robust setae.
<emphasis id="3392562DFFEF311F7596F9A1232FF9DB" box="[151,257,1628,1653]" italics="true" pageId="11" pageNumber="471">Uropod 3</emphasis>
about 85% length of uropod 2; distolateral and distomedial corners of peduncle with 3 and 4 robust setae, respectively; rami subequal, about 1.9 times length of peduncle; outer ramus with single and 2 groups of robust setae laterally and 5 robust setae medially, distal margin with minute second article and 9 setae, longest distal seta about 0.3 times length of rami; inner ramus with 1+1+2 robust setae laterally and 4 robust setae medially, distal margin with 9 setae.
<emphasis id="3392562DFFEF311F7483F91123E9F8AA" box="[386,455,1772,1797]" italics="true" pageId="11" pageNumber="471">Telson</emphasis>
longer than wide, each lateral margin with robust seta (lost in left) and 2 sensory setae subdistally; distal margins of lobes each with 2 processes and 23 robust setae between processes, longest robust seta about half length of telson, inner processes wider than outer, each outer process with sensory seta.
</paragraph>
<paragraph id="01598A3FFFEF311F75C6F8AA23E2F8DF" blockId="11.[151,1437,151,1904]" box="[199,460,1879,1904]" pageId="11" pageNumber="471">
<emphasis id="3392562DFFEF311F75C6F8AA2361F8DF" bold="true" box="[199,335,1879,1904]" pageId="11" pageNumber="471">Coloration.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<caption id="5599DAB7FFE831187596F83326C8F84B" box="[151,1254,1998,2020]" httpUri="https://zenodo.org/record/2623850/files/figure.png" pageId="12" pageNumber="472" startId="12.[151,250,1998,2020]" targetBox="[209,1384,234,1937]" targetPageId="12">
<paragraph id="01598A3FFFE831187596F83326C8F84B" blockId="12.[151,1254,1998,2020]" box="[151,1254,1998,2020]" pageId="12" pageNumber="472">
<emphasis id="3392562DFFE831187596F833233CF84C" bold="true" box="[151,274,1998,2020]" pageId="12" pageNumber="472">FIGURE 8.</emphasis>
<taxonomicName id="C6E6F1BCFFE831187418F8332027F84B" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[281,521,1998,2020]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="12" pageNumber="472" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFE831187418F8332027F84B" box="[281,521,1998,2020]" italics="true" pageId="12" pageNumber="472">Quadrimaera gotoensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFE83118770EF8322071F84B" bold="true" box="[527,607,1999,2020]" pageId="12" pageNumber="472">
<taxonomicNameLabel id="28A1EB56FFE83118770EF8322071F84B" box="[527,607,1999,2020]" pageId="12" pageNumber="472" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Holotype, male, 11.6 mm (OMNH-Ar-10597). Scales: 0.2 mm.
</paragraph>
</caption>
<caption id="5599DAB7FFE931197596F9CA2082F9DF" httpUri="https://zenodo.org/record/2623852/files/figure.png" pageId="13" pageNumber="473" startId="13.[151,250,1591,1613]" targetBox="[209,1396,237,1477]" targetPageId="13">
<paragraph id="01598A3FFFE931197596F9CA2082F9DF" blockId="13.[151,1436,1591,1648]" pageId="13" pageNumber="473">
<emphasis id="3392562DFFE931197596F9CA233BF9E3" bold="true" box="[151,277,1591,1613]" pageId="13" pageNumber="473">FIGURE 9.</emphasis>
<taxonomicName id="C6E6F1BCFFE93119741FF9CA203EF9E2" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[286,528,1591,1613]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFE93119741FF9CA203EF9E2" box="[286,528,1591,1613]" italics="true" pageId="13" pageNumber="473">Quadrimaera gotoensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFE931197718F9CA2045F9E3" bold="true" box="[537,619,1591,1612]" pageId="13" pageNumber="473">
<taxonomicNameLabel id="28A1EB56FFE931197718F9CA2045F9E3" box="[537,619,1591,1612]" pageId="13" pageNumber="473" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
All except for M, holotype, male, 11.6 mm (OMNH-Ar-10597); M, paratype, male, 11.2 mm (OMNH-Ar-10598). Scales: 0.2 mm.
</paragraph>
</caption>
<subSubSection id="49FCD9B4FFE9311975C6F95D2011F83E" pageId="13" pageNumber="473" type="discussion">
<paragraph id="01598A3FFFE9311975C6F95D20D3F8C2" blockId="13.[151,1437,1696,1973]" pageId="13" pageNumber="473">
<emphasis id="3392562DFFE9311975C6F95D2315F916" bold="true" box="[199,315,1696,1721]" pageId="13" pageNumber="473">Remarks.</emphasis>
The small quadrate excavation on the middle palmar margin of the male gnathopod 2 is a distinctive character in the genus. Only one species,
<taxonomicName id="C6E6F1BCFFE931197764F938212CF972" authorityName="Appadoo, Myers &amp; Fagoonee" authorityYear="2002" box="[613,770,1732,1757]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="species" species="mirandella">
<emphasis id="3392562DFFE931197764F938212CF972" box="[613,770,1732,1757]" italics="true" pageId="13" pageNumber="473">Q. mirandella</emphasis>
</taxonomicName>
from
<collectingCountry id="79F1CAAFFFE931197644F939219BF972" box="[837,949,1732,1757]" name="Mauritius" pageId="13" pageNumber="473">Mauritius</collectingCountry>
, has such an excavation other than this new species. But
<taxonomicName id="C6E6F1BCFFE931197424F914239CF8AF" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[293,434,1769,1792]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="species" species="gotoensis" status="sp. nov.">
<emphasis id="3392562DFFE931197424F914239CF8AF" box="[293,434,1769,1792]" italics="true" pageId="13" pageNumber="473">Q. gotoensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFE9311974B8F915203CF8AE" bold="true" box="[441,530,1768,1793]" pageId="13" pageNumber="473">
<taxonomicNameLabel id="28A1EB56FFE9311974B8F915203CF8AE" box="[441,530,1768,1793]" pageId="13" pageNumber="473" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
can be distinguished from
<taxonomicName id="C6E6F1BCFFE931197642F91421CEF8AE" authorityName="Appadoo, Myers &amp; Fagoonee" authorityYear="2002" box="[835,992,1768,1793]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="species" species="mirandella">
<emphasis id="3392562DFFE931197642F91421CEF8AE" box="[835,992,1768,1793]" italics="true" pageId="13" pageNumber="473">Q. mirandella</emphasis>
</taxonomicName>
by the longer article 2 of the mandible, the larger posterodistal tooth of the male gnathopod 2 propodus, the wider bases of the pereopods 57, and the distally incised lobes of the telson each bearing a few robust setae. In addition, this is one of the large species in the genus
<taxonomicName id="C6E6F1BCFFE9311975DEF8A92356F8C2" authorityName="Krapp-Schickel &amp; Ruffo" authorityYear="2000" box="[223,376,1876,1901]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE9311975DEF8A92356F8C2" box="[223,376,1876,1901]" italics="true" pageId="13" pageNumber="473">Quadrimaera</emphasis>
</taxonomicName>
together with
<taxonomicName id="C6E6F1BCFFE93119771BF8A820B3F8C2" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[538,669,1876,1901]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="13" pageNumber="473" phylum="Arthropoda" rank="species" species="setibasis" status="sp. nov.">
<emphasis id="3392562DFFE93119771BF8A820B3F8C2" box="[538,669,1876,1901]" italics="true" pageId="13" pageNumber="473">Q. setibasis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFE9311977A5F8A920D3F8C2" bold="true" box="[676,765,1876,1901]" pageId="13" pageNumber="473">
<taxonomicNameLabel id="28A1EB56FFE9311977A5F8A920D3F8C2" box="[676,765,1876,1901]" pageId="13" pageNumber="473" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</paragraph>
<paragraph id="01598A3FFFE9311975C6F8852011F83E" blockId="13.[151,1437,1696,1973]" box="[199,575,1912,1937]" pageId="13" pageNumber="473">
<emphasis id="3392562DFFE9311975C6F8852304F83E" bold="true" box="[199,298,1912,1937]" pageId="13" pageNumber="473">Habitat.</emphasis>
Under stones, intertidal.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE9311975C6F861262EF81A" box="[199,1024,1948,1973]" pageId="13" pageNumber="473" type="distribution">
<paragraph id="01598A3FFFE9311975C6F861262EF81A" blockId="13.[151,1437,1696,1973]" box="[199,1024,1948,1973]" pageId="13" pageNumber="473">
<emphasis id="3392562DFFE9311975C6F861234EF81A" bold="true" box="[199,352,1948,1973]" pageId="13" pageNumber="473">Distribution.</emphasis>
<collectingCountry id="79F1CAAFFFE931197466F8602385F81B" box="[359,427,1949,1972]" name="Japan" pageId="13" pageNumber="473">Japan</collectingCountry>
: Goto Islands in
<collectingRegion id="C32244DDFFE931197769F8612164F81A" box="[616,842,1948,1973]" country="Japan" name="Nagasaki" pageId="13" pageNumber="473">Nagasaki Prefecture</collectingRegion>
(present study).
</paragraph>
</subSubSection>
</treatment>
</document>