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<document id="3D052AEC99F8277577DD708E0AE89FB0" ID-CLB-Dataset="36914" ID-DOI="10.11646/zootaxa.3754.1.1" ID-GBIF-Dataset="ba5ecbcd-2257-462e-a7e5-312167e67797" ID-ISSN="1175-5326" ID-Zenodo-Dep="285405" ID-ZooBank="F25E1C18-DBFF-408C-9A95-A2C3025D5343" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460367367696" checkinUser="plazi" docAuthor="Myers, A. A." docDate="2014" docId="7E0E87B8E5151146FF7FFF677E6B45B2" docLanguage="en" docName="zt03754p031.pdf" docOrigin="Zootaxa 3754 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Quadrimaera frater Myers, 2014, sp. nov." docType="treatment" docVersion="7" lastPageNumber="8" masterDocId="8237FFC0E5121141FFE8FFF07D77412D" masterDocTitle="Amphipoda (Crustacea) from the Chagos Archipelago" masterLastPageNumber="31" masterPageNumber="1" pageNumber="8" updateTime="1698295338162" updateUser="ExternalLinkService">
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<mods:title id="6F50708B0D1594BF8614320DE0B8A384">Amphipoda (Crustacea) from the Chagos Archipelago</mods:title>
</mods:titleInfo>
<mods:name id="D4FD3281E96FD3194AE52A05D3DE352D" type="personal">
<mods:role id="F78B832F13D92A7968B34A6BB531751A">
<mods:roleTerm id="021C30E2B3BDAAAA164DF98ADD0AED8E">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="0EE3B2FF94866402DC82DF7A28B63842">Myers, A. A.</mods:namePart>
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<mods:typeOfResource id="EA047CD437C0024BF97FE696DADFAF06">text</mods:typeOfResource>
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<mods:title id="E7C5CAF0383252053D4A6D64C1C7766A">Zootaxa</mods:title>
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<mods:part id="C3B079F998BDE68921D3E72FEB782DE5">
<mods:date id="49870D9AE6D529290D2ABDD7B6065154">2014</mods:date>
<mods:detail id="2EDE0219FB99295108CE3040FE88C47B" type="volume">
<mods:number id="19F4FFDD921057DF4360FC369DE90D1A">3754</mods:number>
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<mods:classification id="2857855892864F2FF5D73D1602B0ADBB">journal article</mods:classification>
<mods:identifier id="18932E65FB10B52E5FC3D601734301DE" type="CLB-Dataset">36914</mods:identifier>
<mods:identifier id="A83387EC95C21AB27AFE3008FF5618DA" type="DOI">10.11646/zootaxa.3754.1.1</mods:identifier>
<mods:identifier id="6CFB9555E476E7E3765B7C569358860E" type="GBIF-Dataset">ba5ecbcd-2257-462e-a7e5-312167e67797</mods:identifier>
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<mods:identifier id="D50FEE1D909801CFA31D8B696BD27FF6" type="Zenodo-Dep">285405</mods:identifier>
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</mods:mods>
<treatment id="7E0E87B8E5151146FF7FFF677E6B45B2" ID-GBIF-Taxon="127666808" LSID="urn:lsid:plazi:treatment:7E0E87B8E5151146FF7FFF677E6B45B2" httpUri="http://treatment.plazi.org/id/7E0E87B8E5151146FF7FFF677E6B45B2" lastPageNumber="8" pageId="7" pageNumber="8">
<subSubSection id="BEBD6525E5151146FF7FFF677C7C41FE" pageId="7" pageNumber="8" type="nomenclature">
<paragraph id="F61836AEE5151146FF7FFF677C9D419F" blockId="7.[151,490,151,211]" box="[151,490,151,178]" pageId="7" pageNumber="8">
<heading id="AD5081C2E5151146FF7FFF677C9D419F" bold="true" box="[151,490,151,178]" fontSize="11" level="1" pageId="7" pageNumber="8" reason="1">
<emphasis id="C4D3EABCE5151146FF7FFF677C9D419F" bold="true" box="[151,490,151,178]" pageId="7" pageNumber="8">
<taxonomicName id="31A74D2DE5151146FF7FFF677CF2419C" box="[151,389,151,177]" class="Malacostraca" family="Melitidae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="frater" status="sp. nov.">
<emphasis id="C4D3EABCE5151146FF7FFF677CF2419C" bold="true" box="[151,389,151,177]" italics="true" pageId="7" pageNumber="8">Quadrimaera frater</emphasis>
</taxonomicName>
<taxonomicNameLabel id="DFE057C7E5151146FE64FF687C9D419F" box="[396,490,152,178]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="F61836AEE5151146FF7FFF4A7C7C41FE" blockId="7.[151,490,151,211]" box="[151,267,186,211]" pageId="7" pageNumber="8">
(
<figureCitation id="6E9C2A2BE5151146FF77FF4A7D9041FE" box="[159,231,186,211]" captionStart="FIGURE 6" captionStartId="8.[151,250,1996,2018]" captionTargetBox="[170,1415,193,1977]" captionTargetId="figure@8.[169,1423,193,1979]" captionTargetPageId="8" captionText="FIGURE 6. Quadrimaera frater sp. nov., female, holotype, 4.3 mm, Great Chagos Bank." httpUri="https://zenodo.org/record/285411/files/figure.png" pageId="7" pageNumber="8">Figs 6</figureCitation>
,
<figureCitation id="6E9C2A2BE5151146FF1BFF4B7C7541FE" box="[243,258,187,211]" captionStart="FIGURE 7" captionStartId="9.[151,250,1821,1843]" captionTargetBox="[160,1420,201,1804]" captionTargetId="figure@9.[151,1435,193,1818]" captionTargetPageId="9" captionText="FIGURE 7. Quadrimaera frater sp. nov., female, holotype, 4.3 mm, Great Chagos Bank." httpUri="https://zenodo.org/record/285412/files/figure.png" pageId="7" pageNumber="8">7</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="BEBD6525E5151146FF7FFEF27CAE404E" pageId="7" pageNumber="8" type="materials_examined">
<paragraph id="F61836AEE5151146FF7FFEF27CAE404E" blockId="7.[151,1437,258,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF7FFEF27C314036" bold="true" box="[151,326,258,283]" pageId="7" pageNumber="8">
<typeStatus id="291C880CE5151146FF7FFEF27DA54036" box="[151,210,258,283]" pageId="7" pageNumber="8">Type</typeStatus>
material.
</emphasis>
<typeStatus id="291C880CE5151146FEA5FEF27CC24036" box="[333,437,258,283]" pageId="7" pageNumber="8" type="holotype">Holotype</typeStatus>
female, Great Chagos Bank, Brothers Island, outer reef, dead branching coral heads,
<specimenCount id="E0A1FD27E5151146FA68FEF37DC34013" pageId="7" pageNumber="8" type="generic">
<quantity id="315F9B4BE5151146FA68FEF37DC74013" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="m" value="10.0">10 m</quantity>
.
</specimenCount>
C. Head and H. Koldewey,
<date id="8219106EE5151146FDE2FED77FFE4012" box="[522,649,295,319]" pageId="7" pageNumber="8" value="2012-02-27">27.02.2012</date>
(
<collectionCode id="90B6AE6BE5151146FD74FED67E7C4012" box="[668,779,294,319]" pageId="7" pageNumber="8">OUMNH</collectionCode>
.ZC.2013.06.013).
<typeStatus id="291C880CE5151146FC09FED779344012" box="[993,1091,295,319]" pageId="7" pageNumber="8" type="paratype">Paratype</typeStatus>
male, same data as
<typeStatus id="291C880CE5151146FAD2FED678EB4012" box="[1338,1436,294,319]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
(
<collectionCode id="90B6AE6BE5151146FF76FEBA7C7A404E" box="[158,269,330,355]" pageId="7" pageNumber="8">OUMNH</collectionCode>
.ZC.2013.06.014).
</paragraph>
</subSubSection>
<subSubSection id="BEBD6525E5151146FF2FFE9E7EFE40AA" box="[199,905,366,391]" pageId="7" pageNumber="8" type="etymology">
<paragraph id="F61836AEE5151146FF2FFE9E7EFE40AA" blockId="7.[151,1437,258,1183]" box="[199,905,366,391]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFE9E7C3940AA" bold="true" box="[199,334,366,391]" pageId="7" pageNumber="8">Etymology.</emphasis>
<taxonomicName id="31A74D2DE5151146FEBCFE9E7CE740AA" authority="Latin" authorityName="Latin" box="[340,400,366,391]" class="Malacostraca" family="Melitidae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="frater">frater</taxonomicName>
= Latin, brother, relating to the
<typeStatus id="291C880CE5151146FD10FE9F7E5F40AA" box="[760,808,367,391]" pageId="7" pageNumber="8">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection id="BEBD6525E5151146FF2FFE627FC042C7" pageId="7" pageNumber="8" type="description">
<paragraph id="F61836AEE5151146FF2FFE627F994087" blockId="7.[151,1437,258,1183]" box="[199,750,402,427]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFE627C2E4086" bold="true" box="[199,345,402,427]" pageId="7" pageNumber="8">Description.</emphasis>
Based on female
<typeStatus id="291C880CE5151146FDC8FE627FF24086" box="[544,645,402,427]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
,
<quantity id="315F9B4BE5151146FD78FE637F9D4087" box="[656,746,403,427]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="7" pageNumber="8" unit="mm" value="4.3">4.3 mm</quantity>
.
</paragraph>
<paragraph id="F61836AEE5151146FF2FFE4679E643AE" blockId="7.[151,1437,258,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFE467C7940E2" bold="true" box="[199,270,438,463]" pageId="7" pageNumber="8">Head.</emphasis>
<emphasis id="C4D3EABCE5151146FEFFFE467C2440E2" box="[279,339,438,463]" italics="true" pageId="7" pageNumber="8">Head</emphasis>
with eye lobes rounded; eye of moderated size, rounded.
<emphasis id="C4D3EABCE5151146FC07FE47791440E2" box="[1007,1123,439,463]" italics="true" pageId="7" pageNumber="8">Antenna 1</emphasis>
less than half body length; peduncular article 1 and 2 subequal in length; article 3 one quarter length of article 2; flagellum a little shorter than peduncle with 12 articles; accessory flagellum long, with 7 articles.
<emphasis id="C4D3EABCE5151146FC73FE0F7979433A" box="[923,1038,511,535]" italics="true" pageId="7" pageNumber="8">Antenna 2</emphasis>
subequal in length with antenna 1; peduncular article 5 slightly shorter than article 4; flagellum longer than peduncular article 5 with 9 articles.
<emphasis id="C4D3EABCE5151146FF7FFDB67C744372" box="[151,259,582,607]" italics="true" pageId="7" pageNumber="8">Mandible</emphasis>
palp with three articles; article 1 posterodistal margin with acute spine; article 2 longer than article 3; article 3 slender subovoid.
<emphasis id="C4D3EABCE5151146FE2DFD9A7F4643AE" box="[453,561,618,643]" italics="true" pageId="7" pageNumber="8">Maxilla 1</emphasis>
inner plate with long terminal setae; palp 2-articulate.
</paragraph>
<paragraph id="F61836AEE5151146FF2FFD7E7E334277" blockId="7.[151,1437,258,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFD7E7C55438A" bold="true" box="[199,290,654,679]" pageId="7" pageNumber="8">Pereon.</emphasis>
<emphasis id="C4D3EABCE5151146FEC5FD7E7CB3438A" box="[301,452,654,679]" italics="true" pageId="7" pageNumber="8">Gnathopod 1</emphasis>
coxa anterodistal margin produced, acute; carpus and propodus subequal in length; carpus anterior margin with shallow indentation; propodus palm evenly convex; dactylus fitting palm.
<emphasis id="C4D3EABCE5151146FAF6FD427DD243C2" italics="true" pageId="7" pageNumber="8">Gnathopod 2</emphasis>
coxa subquadrangular; basis stout about 3 × as long as broad. anterodistal margin with two robust setae; carpus very reduced, cup-shaped; propodus enormous, palm convex, evenly scalloped, defined by strong spine; dactylus fitting palm.
<emphasis id="C4D3EABCE5151146FEC6FCEE7CAE421A" box="[302,473,798,823]" italics="true" pageId="7" pageNumber="8">Pereopods 37</emphasis>
dactylus anterior margin with accessory spine.
<emphasis id="C4D3EABCE5151146FBEBFCEE79D9421A" box="[1027,1198,798,823]" italics="true" pageId="7" pageNumber="8">Pereopods 34</emphasis>
slender.
<emphasis id="C4D3EABCE5151146FAF0FCEE78EB421B" box="[1304,1436,798,823]" italics="true" pageId="7" pageNumber="8">Pereopod 5</emphasis>
basis slender.
<emphasis id="C4D3EABCE5151146FEDBFCB27CAD4276" box="[307,474,834,859]" italics="true" pageId="7" pageNumber="8">Pereopods 67</emphasis>
basis expanded, weakly serrate.
</paragraph>
<paragraph id="F61836AEE5151146FF2FFC967FC042C7" blockId="7.[151,1437,258,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFC967C664252" bold="true" box="[199,273,870,895]" pageId="7" pageNumber="8">Pleon.</emphasis>
<emphasis id="C4D3EABCE5151146FEF0FC977CDC4252" box="[280,427,871,895]" italics="true" pageId="7" pageNumber="8">Epimera 13</emphasis>
posterodistal margin with acute spine, increasing in size from epimeron 1 to epimeron 3.
<emphasis id="C4D3EABCE5151146FF7FFC7A7C76428E" box="[151,257,906,931]" italics="true" pageId="7" pageNumber="8">Uropod 1</emphasis>
with many robust setae; rami subequal and subequal in length with peduncle.
<emphasis id="C4D3EABCE5151146FB80FC7A79A5428E" box="[1128,1234,906,931]" italics="true" pageId="7" pageNumber="8">Uropod 2</emphasis>
with many robust setae; inner ramus longer than outer and longer than peduncle.
<emphasis id="C4D3EABCE5151146FC8CFC5E7EA642EA" box="[868,977,942,967]" italics="true" pageId="7" pageNumber="8">Uropod 3</emphasis>
missing.
<emphasis id="C4D3EABCE5151146FBD7FC5E79F042EA" box="[1087,1159,942,967]" italics="true" pageId="7" pageNumber="8">Telson</emphasis>
fully divided, each lobe with two distal spines and two long robust setae.
</paragraph>
</subSubSection>
<subSubSection id="BEBD6525E5151146FF2FFC067F074556" pageId="7" pageNumber="8" type="discussion">
<paragraph id="F61836AEE5151146FF2FFC067E99457A" blockId="7.[151,1437,258,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFC067C4C4522" bold="true" box="[199,315,1014,1039]" pageId="7" pageNumber="8">Remarks.</emphasis>
This species seems to be closest to
<taxonomicName id="31A74D2DE5151146FD3EFC0779454522" authority="Ruffo, 1938" authorityName="Ruffo" authorityYear="1938" box="[726,1074,1014,1039]" class="Malacostraca" family="Melitidae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="C4D3EABCE5151146FD3EFC077EF84522" box="[726,911,1014,1039]" italics="true" pageId="7" pageNumber="8">Q. schellenbergi</emphasis>
(Ruffo, 1938)
</taxonomicName>
from the Red Sea but differs in having antenna 1 and 2 subequal in length (antenna 1 much longer than antenna
<quantity id="315F9B4BE5151146FBA3FBEB790E451E" box="[1099,1145,1050,1075]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="7" pageNumber="8" unit="in" value="2.0">2 in</quantity>
<taxonomicName id="31A74D2DE5151146FB6BFBEB7848451E" box="[1155,1343,1050,1075]" class="Malacostraca" family="Melitidae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="8" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="C4D3EABCE5151146FB6BFBEB7848451E" box="[1155,1343,1050,1075]" italics="true" pageId="7" pageNumber="8">Q. schellenbergi</emphasis>
</taxonomicName>
), in the elongate article 2 of the mandible palp and by the acute spine on epimeron 2
</paragraph>
<paragraph id="F61836AEE5151146FF2FFB927F074556" blockId="7.[151,1437,258,1183]" box="[199,624,1122,1147]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFB927C5D4556" bold="true" box="[199,298,1122,1147]" pageId="7" pageNumber="8">Habitat.</emphasis>
Dead branching coral heads.
</paragraph>
</subSubSection>
<subSubSection id="BEBD6525E5151146FF2FFB767E6B45B2" box="[199,796,1158,1183]" pageId="7" pageNumber="8" type="distribution">
<paragraph id="F61836AEE5151146FF2FFB767E6B45B2" blockId="7.[151,1437,258,1183]" box="[199,796,1158,1183]" pageId="7" pageNumber="8">
<emphasis id="C4D3EABCE5151146FF2FFB767C1745B2" bold="true" box="[199,352,1158,1183]" pageId="7" pageNumber="8">Distribution.</emphasis>
Known only from Chagos archipelago.
</paragraph>
</subSubSection>
</treatment>
</document>