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<document id="9BAE77F880A212447A6324828747A986" ID-CLB-Dataset="299601" ID-DOI="10.11646/zootaxa.5474.5.7" ID-GBIF-Dataset="0adc191b-8f3d-4270-8c14-c08f43b4619d" ID-ISSN="1175-5326" ID-Zenodo-Dep="12682122" ID-ZooBank="7DAFD532-8FE8-4755-B664-57A7102E7E00" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="tatiana" checkinTime="1720373948580" checkinUser="plazi" docAuthor="Thacker, Dimple, Myers, Alan A. &amp; Trivedi, Jigneshkumar N." docDate="2024" docId="423BD146407DEE6444C5FDFAFF542ACA" docLanguage="en" docName="zootaxa.5474.5.7.pdf" docOrigin="Zootaxa 5474 (5)" docSource="http://dx.doi.org/10.11646/zootaxa.5474.5.7" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Quadrimaera okha Thacker, Myers &amp; Trivedi, 2024, sp. nov." docType="treatment" docVersion="6" lastPageNumber="581" masterDocId="BE02A93E4072EE764452FF82FFA9296F" masterDocTitle="On a small collection of Maeridae Krapp-Schickel, 2008 (Crustacea: Amphipoda) from Gujarat, India" masterLastPageNumber="583" masterPageNumber="563" pageNumber="578" updateTime="1720769640003" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="6E92111F3E1D505A53D786275B8CE56C">On a small collection of Maeridae Krapp-Schickel, 2008 (Crustacea: Amphipoda) from Gujarat, India</mods:title>
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<mods:namePart id="31202DC1499278D351B3B51FF8F84B76">Thacker, Dimple</mods:namePart>
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<mods:affiliation id="DEDC2B7CEF67CC639AC30907EBC23232">Department of Life sciences, Hemchandracharya North Gujarat University, Patan- 384265, Gujarat, India.</mods:affiliation>
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<mods:namePart id="89ECE5D8C3ACAEA578E7AC4DE4A713A7">Myers, Alan A.</mods:namePart>
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<mods:affiliation id="CC5559B516943CDCECEA3E280B99EE77">School of Biological, Earth and Environmental Sciences, University College Cork, Cork Enterprise Centre, Distillery Fields, North Mall, Cork, Ireland.</mods:affiliation>
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<mods:namePart id="01D10C6ACDAC5E142823F7146751B2E7">Trivedi, Jigneshkumar N.</mods:namePart>
<mods:affiliation id="F5240BF17535DD5942B12A2F199F9783">Department of Life sciences, Hemchandracharya North Gujarat University, Patan- 384265, Gujarat, India.</mods:affiliation>
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<mods:date id="F8366D318045F7261E5E968EAB8CA8EB">2024</mods:date>
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<treatment id="423BD146407DEE6444C5FDFAFF542ACA" ID-DOI="http://doi.org/10.5281/zenodo.12682185" ID-GBIF-Taxon="234743421" ID-Zenodo-Dep="12682185" LSID="urn:lsid:plazi:treatment:423BD146407DEE6444C5FDFAFF542ACA" httpUri="http://treatment.plazi.org/id/423BD146407DEE6444C5FDFAFF542ACA" lastPageId="18" lastPageNumber="581" pageId="15" pageNumber="578">
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<paragraph id="CA2D6050407DEE7944C5FDFAFE4A2BFC" blockId="15.[151,483,632,695]" box="[151,483,632,659]" pageId="15" pageNumber="578">
<heading id="9165D73C407DEE7944C5FDFAFE4A2BFC" bold="true" box="[151,483,632,659]" fontSize="11" level="1" pageId="15" pageNumber="578" reason="1">
<emphasis id="F8E6BC42407DEE7944C5FDFAFE4A2BFC" bold="true" box="[151,483,632,659]" pageId="15" pageNumber="578">
<taxonomicName id="0D921BD3407DEE7944C5FDFAFED42BFC" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[151,381,632,659]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="15" pageNumber="578" phylum="Arthropoda" rank="species" species="okha" status="sp. nov.">
<emphasis id="F8E6BC42407DEE7944C5FDFAFED42BFC" bold="true" box="[151,381,632,659]" italics="true" pageId="15" pageNumber="578">Quadrimaera okha</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E3D50139407DEE7945D7FDFBFE4A2BFC" box="[389,483,633,659]" pageId="15" pageNumber="578" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
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<subSubSection id="828833DB407DEE7944C5FD1FFEFE2BD8" box="[151,343,669,695]" pageId="15" pageNumber="578" type="description">
<paragraph id="CA2D6050407DEE7944C5FD1FFEFE2BD8" blockId="15.[151,483,632,695]" box="[151,343,669,695]" pageId="15" pageNumber="578">
(
<figureCitation id="52A97CD5407DEE7944CDFD1FFF522BD8" box="[159,251,669,695]" captionStart="FIGURE 1" captionStartId="2.[151,250,1880,1904]" captionTargetBox="[331,1257,342,1854]" captionTargetId="figure-93@2.[331,1257,342,1854]" captionTargetPageId="2" captionText="FIGURE 1. (A) Ceradocus (Denticeradocus) alama Myers &amp; Nithyanandan, 2016 male, (LFSC.ZRC-214): 10 mm, Shivrajpur; (B) Ceradomaera plumosa Ledoyer, 1973, male (LFSC.ZRC-215): 10 mm, Zanzmer; (C) Maera gujaratensis sp. nov., male paratype, (LFSC.ZRC-210): 7 mm, Gopnath; (D) Quadrimaera okha sp. nov., male paratype, (LFSC.ZRC-213): 4.5 mm, Shivrajpur, Gujarat, India." figureDoi="http://doi.org/10.5281/zenodo.12682132" httpUri="https://zenodo.org/record/12682132/files/figure.png" pageId="15" pageNumber="578">Figs 1D</figureCitation>
,
<figureCitation id="52A97CD5407DEE79455AFD1FFEF92BD8" box="[264,336,669,695]" captionStart-0="FIGURE 12" captionStart-1="FIGURE 13" captionStart-2="FIGURE 14" captionStartId-0="15.[152,255,1970,1994]" captionStartId-1="16.[152,255,1943,1967]" captionStartId-2="17.[152,255,1080,1104]" captionTargetBox-0="[184,1411,834,1940]" captionTargetBox-1="[215,1373,188,1913]" captionTargetBox-2="[171,1416,188,1049]" captionTargetId-0="figure-183@15.[177,1411,827,1946]" captionTargetId-1="figure-22@16.[208,1379,181,1919]" captionTargetId-2="figure-19@17.[164,1423,181,1056]" captionTargetPageId-0="15" captionTargetPageId-1="16" captionTargetPageId-2="17" captionText-0="FIGURE 12. Quadrimaera okha sp. nov., female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India." captionText-1="FIGURE 13. Quadrimaera okha sp. nov., female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India." captionText-2="FIGURE 14. Quadrimaera okha sp. nov., female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India." figureDoi-0="http://doi.org/10.5281/zenodo.12682159" figureDoi-1="http://doi.org/10.5281/zenodo.12682161" figureDoi-2="http://doi.org/10.5281/zenodo.12682165" httpUri-0="https://zenodo.org/record/12682159/files/figure.png" httpUri-1="https://zenodo.org/record/12682161/files/figure.png" httpUri-2="https://zenodo.org/record/12682165/files/figure.png" pageId="15" pageNumber="578">1214</figureCitation>
)
</paragraph>
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<subSubSection id="828833DB407DEE7944C5FD67FBC52A4C" pageId="15" pageNumber="578" type="materials_examined">
<paragraph id="CA2D6050407DEE7944C5FD67FBC52A4C" blockId="15.[151,1436,740,803]" pageId="15" pageNumber="578">
<emphasis id="F8E6BC42407DEE7944C5FD67FEED2B91" bold="true" box="[151,324,740,767]" pageId="15" pageNumber="578">Type material.</emphasis>
<materialsCitation id="7AFA6A0D407DEE794518FD67FEC02A4C" ID-GBIF-Occurrence="4903570312" collectionCode="LFSC, R" latitude="22.3312" longLatPrecision="7" longitude="68.9496" pageId="15" pageNumber="578" specimenCount="1" typeStatus="holotype">
<typeStatus id="1529DEF2407DEE794518FD67FE1B2B90" box="[330,434,741,767]" pageId="15" pageNumber="578" type="holotype">Holotype</typeStatus>
female,
<quantity id="0D6ACDB5407DEE794640FD66FDC02B90" box="[530,617,740,767]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="15" pageNumber="578" unit="mm" value="4.5">4.5 mm</quantity>
, (
<collectionCode id="AC83F895407DEE79462EFD67FD6B2B90" box="[636,706,741,767]" pageId="15" pageNumber="578">LFSC</collectionCode>
.ZRC-212) Shivrajpur (
<geoCoordinate id="AFA60697407DEE794796FD67FB922B90" box="[964,1083,741,767]" degrees="22.3312" direction="north" orientation="latitude" pageId="15" pageNumber="578" precision="5" value="22.3312">22.3312 N</geoCoordinate>
<geoCoordinate id="AFA60697407DEE794010FD67FB1E2B90" box="[1090,1207,741,767]" degrees="68.9496" direction="east" orientation="longitude" pageId="15" pageNumber="578" precision="5" value="68.9496">68.9496 E</geoCoordinate>
), 27 February, 2022, coll. D.
<collectionCode id="AC83F895407DEE7944B8FC8BFEA92A4C" box="[234,256,777,803]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="15" pageNumber="578">R</collectionCode>
. Thacker
</materialsCitation>
.
<materialsCitation id="7AFA6A0D407DEE794521FC8BFBC12A4C" ID-GBIF-Occurrence="4903570301" box="[371,1128,777,803]" collectionCode="LFSC" latitude="22.3312" longLatPrecision="7" longitude="68.9496" pageId="15" pageNumber="578" specimenCount="1" specimenCount-female="1" typeStatus="paratype">
<typeStatus id="1529DEF2407DEE794521FC8BFE712A4C" box="[371,472,777,803]" pageId="15" pageNumber="578" type="paratype">Paratype</typeStatus>
,
<specimenCount id="DC94ABD9407DEE7945B1FC8BFDEE2A4C" box="[483,583,777,803]" count="1" pageId="15" pageNumber="578" type="female">1 female</specimenCount>
,
<quantity id="0D6ACDB5407DEE794600FC8BFD3C2A4C" box="[594,661,777,803]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="15" pageNumber="578" unit="mm" value="4.0">4 mm</quantity>
, (
<collectionCode id="AC83F895407DEE7946FAFC8BFD472A4C" box="[680,750,777,803]" pageId="15" pageNumber="578">LFSC</collectionCode>
.ZRC-213) same data as holotype
</materialsCitation>
.
</paragraph>
</subSubSection>
<caption id="9EED30D8407DEE7944CAF830FE822E81" ID-DOI="http://doi.org/10.5281/zenodo.12682159" ID-Zenodo-Dep="12682159" httpUri="https://zenodo.org/record/12682159/files/figure.png" pageId="15" pageNumber="578" startId="15.[152,255,1970,1994]" targetBox="[184,1411,834,1940]" targetPageId="15" targetType="figure">
<paragraph id="CA2D6050407DEE7944CAF830FE822E81" blockId="15.[151,1436,1970,2030]" pageId="15" pageNumber="578">
<emphasis id="F8E6BC42407DEE7944CAF830FE8E2EA5" bold="true" box="[152,295,1970,1994]" pageId="15" pageNumber="578">FIGURE 12.</emphasis>
<taxonomicName id="0D921BD3407DEE794562F830FE5A2EA5" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[304,499,1970,1994]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="15" pageNumber="578" phylum="Arthropoda" rank="species" species="okha" status="sp. nov.">
<emphasis id="F8E6BC42407DEE794562F830FE5A2EA5" box="[304,499,1970,1994]" italics="true" pageId="15" pageNumber="578">Quadrimaera okha</emphasis>
</taxonomicName>
<emphasis id="F8E6BC42407DEE7945A9F830FDFC2EA5" bold="true" box="[507,597,1970,1994]" pageId="15" pageNumber="578">
<taxonomicNameLabel id="E3D50139407DEE7945A9F830FDF92EA5" box="[507,592,1970,1994]" pageId="15" pageNumber="578" rank="species">sp. nov.</taxonomicNameLabel>
,
</emphasis>
female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India.
</paragraph>
</caption>
<caption id="9EED30D84062EE6644CAF815FE822EBC" ID-DOI="http://doi.org/10.5281/zenodo.12682161" ID-Zenodo-Dep="12682161" httpUri="https://zenodo.org/record/12682161/files/figure.png" pageId="16" pageNumber="579" startId="16.[152,255,1943,1967]" targetBox="[215,1373,188,1913]" targetPageId="16" targetType="figure">
<paragraph id="CA2D60504062EE6644CAF815FE822EBC" blockId="16.[151,1436,1943,2003]" pageId="16" pageNumber="579">
<emphasis id="F8E6BC424062EE6644CAF815FE8E2EC0" bold="true" box="[152,295,1943,1967]" pageId="16" pageNumber="579">FIGURE 13.</emphasis>
<taxonomicName id="0D921BD34062EE664562F815FE5A2EC0" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[304,499,1943,1967]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="16" pageNumber="579" phylum="Arthropoda" rank="species" species="okha" status="sp. nov.">
<emphasis id="F8E6BC424062EE664562F815FE5A2EC0" box="[304,499,1943,1967]" italics="true" pageId="16" pageNumber="579">Quadrimaera okha</emphasis>
</taxonomicName>
<emphasis id="F8E6BC424062EE6645A9F815FDFC2EC0" bold="true" box="[507,597,1943,1967]" pageId="16" pageNumber="579">
<taxonomicNameLabel id="E3D501394062EE6645A9F815FDF92EC0" box="[507,592,1943,1967]" pageId="16" pageNumber="579" rank="species">sp. nov.</taxonomicNameLabel>
,
</emphasis>
female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India.
</paragraph>
</caption>
<caption id="9EED30D84063EE6744CAFBBAFE822D1B" ID-DOI="http://doi.org/10.5281/zenodo.12682165" ID-Zenodo-Dep="12682165" httpUri="https://zenodo.org/record/12682165/files/figure.png" pageId="17" pageNumber="580" startId="17.[152,255,1080,1104]" targetBox="[171,1416,188,1049]" targetPageId="17" targetType="figure">
<paragraph id="CA2D60504063EE6744CAFBBAFE822D1B" blockId="17.[151,1436,1080,1140]" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE6744CAFBBAFE8E2D3F" bold="true" box="[152,295,1080,1104]" pageId="17" pageNumber="580">FIGURE 14.</emphasis>
<taxonomicName id="0D921BD34063EE674562FBBAFE5A2D3F" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[304,499,1080,1104]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="17" pageNumber="580" phylum="Arthropoda" rank="species" species="okha" status="sp. nov.">
<emphasis id="F8E6BC424063EE674562FBBAFE5A2D3F" box="[304,499,1080,1104]" italics="true" pageId="17" pageNumber="580">Quadrimaera okha</emphasis>
</taxonomicName>
<emphasis id="F8E6BC424063EE6745A9FBBBFDFC2D3E" bold="true" box="[507,597,1081,1105]" pageId="17" pageNumber="580">
<taxonomicNameLabel id="E3D501394063EE6745A9FBBBFDF92D3E" box="[507,592,1081,1105]" pageId="17" pageNumber="580" rank="species">sp. nov.</taxonomicNameLabel>
,
</emphasis>
female holotype (LFSC.ZRC-212): 4.5 mm, Shivrajpur, (22.3312 N 68.9496 E), Gujarat, India.
</paragraph>
</caption>
<subSubSection id="828833DB4063EE674495FB45FC332C6A" pageId="17" pageNumber="580" type="etymology">
<paragraph id="CA2D60504063EE674495FB45FC332C6A" blockId="17.[151,1437,1223,2041]" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE674495FB45FEE72D8E" bold="true" box="[199,334,1223,1249]" pageId="17" pageNumber="580">Etymology.</emphasis>
The specific epithet
<taxonomicName id="0D921BD34063EE674667FB45FDD32D8E" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[565,634,1223,1249]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="17" pageNumber="580" phylum="Arthropoda" rank="species" species="okha">“okha</taxonomicName>
” is derived from the “Okha Mandal”, a region where the
<typeStatus id="1529DEF24063EE6740A6FB45FA8D2D8E" box="[1268,1316,1223,1249]" pageId="17" pageNumber="580">type</typeStatus>
locality of the new species is located. The name is used as a noun in apposition.
</paragraph>
</subSubSection>
<subSubSection id="828833DB4063EE644495FA8CFA312A7A" lastPageId="18" lastPageNumber="581" pageId="17" pageNumber="580" type="description">
<paragraph id="CA2D60504063EE674495FA8CFD5C2C46" blockId="17.[151,1437,1223,2041]" box="[199,757,1294,1321]" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE674495FA8CFEF02C47" bold="true" box="[199,345,1294,1320]" pageId="17" pageNumber="580">Description.</emphasis>
Based on
<typeStatus id="1529DEF24063EE67459CFA8DFD9A2C46" box="[462,563,1295,1321]" pageId="17" pageNumber="580" type="holotype">holotype</typeStatus>
, female,
<quantity id="0D6ACDB54063EE6746CAFA8CFD582C46" box="[664,753,1294,1321]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="17" pageNumber="580" unit="mm" value="4.5">4.5 mm</quantity>
.
</paragraph>
<paragraph id="CA2D60504063EE674495FAB1FC6B2F4A" blockId="17.[151,1437,1223,2041]" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE674495FAB1FEA72C22" bold="true" box="[199,270,1331,1357]" pageId="17" pageNumber="580">Head.</emphasis>
<emphasis id="F8E6BC424063EE674547FAB1FEE32C23" box="[277,330,1331,1356]" italics="true" pageId="17" pageNumber="580">Eyes</emphasis>
large, ovate.
<emphasis id="F8E6BC424063EE6745B1FAB1FDFF2C22" box="[483,598,1331,1357]" italics="true" pageId="17" pageNumber="580">Antenna 1</emphasis>
longer than antenna 2; peduncular article 1 0.88 times as long as article 2, article 3 0.24 times as long as of article 2; accessory flagellum 7-articulate (fig. 12, A1).
<emphasis id="F8E6BC424063EE6740D9FAD5FB562C1E" box="[1163,1279,1367,1393]" italics="true" pageId="17" pageNumber="580">Antenna 2</emphasis>
0.56 times as long as antenna 1, peduncular article 4 1.25 times as long as article 5; flagellum 6-articulate (fig. 12, A2).
<emphasis id="F8E6BC424063EE674163FAF9FA352CFA" box="[1329,1436,1403,1429]" italics="true" pageId="17" pageNumber="580">Maxilla 1</emphasis>
inner plate bullet shaped with 1 small, 1 medium and 2 long distal setae; outer plate with 8 apical robust setae; palp article 2 distally setose (fig. 12, Mx1).
<emphasis id="F8E6BC424063EE674610FA41FD042CB2" box="[578,685,1475,1501]" italics="true" pageId="17" pageNumber="580">Maxilla 2</emphasis>
outer plate broader than inner plate (fig. 12, Mx2).
<emphasis id="F8E6BC424063EE6740B6FA41FAF42CB2" box="[1252,1373,1475,1501]" italics="true" pageId="17" pageNumber="580">Maxilliped</emphasis>
inner plate apically truncate with few apical and 4 marginal plumose setae; outer plate with several long to small robust setae on distal margin and inner margin; palp 4 articulate (fig. 12, Mxp).
</paragraph>
<paragraph id="CA2D60504063EE674495F9ADFD412EE2" blockId="17.[151,1437,1223,2041]" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE674495F9ADFE8B2F26" bold="true" box="[199,290,1583,1609]" pageId="17" pageNumber="580">Pereon.</emphasis>
<emphasis id="F8E6BC424063EE674578F9ADFE172F26" box="[298,446,1583,1609]" italics="true" pageId="17" pageNumber="580">Gnathopod 1</emphasis>
coxa anteroventral corner rounded with a row of simple setae on ventral margin; basis 1.18 times as long as carpus, anterior margin with two small setae; ischium posterodistal corner with a tuft of simple setae; merus subrectangular; carpus anterodistal corner with a single seta, posterior margin densely setose with posterodistal corner with a tuft of setae; propodus 0.83 times as long as carpus, suboval, anterior margin sparsely setose, posterior margin with 3 and posterodistal corner with 1 tuft of long setae; palm rounded with few small setae; dactylus longer than palm (fig. 13, G1).
<emphasis id="F8E6BC424063EE6746C5F961FC802F92" box="[663,809,1763,1789]" italics="true" pageId="17" pageNumber="580">Gnathopod 2</emphasis>
coxa subrectangular, longer than broad; basis 0.57 times as long as propodus, anterior margin few small setae, posterior margin with one long seta; ischium subquadrate; carpus compressed; propodus enlarged, subovoidal, palm oblique with 2 rounded shelves and a U-shaped excavation between the shelves, posterodistal corner defined by a small process; dactylus a little shorter than palm inner margin with few small setae and an excavation (fig. 13, G2).
</paragraph>
<paragraph id="CA2D60504063EE644495F815FB5C29BA" blockId="17.[151,1437,1223,2041]" lastBlockId="18.[151,1437,151,933]" lastPageId="18" lastPageNumber="581" pageId="17" pageNumber="580">
<emphasis id="F8E6BC424063EE674495F815FEEE2EDE" box="[199,327,1943,1969]" italics="true" pageId="17" pageNumber="580">Pereopod 3</emphasis>
longer than pereopod 4; coxa subquadrate, basis anterior margin with a row of small setae, posterior margin sparsely setose; merus subequal to carpus, sparsely setose on both margins; carpus anterior margin with a single small seta, posterior margin lined with robust seta; propodus subequal to carpus, anterior margin with a single seta, posterior margin with five pairs of robust setae, dactylus bifid, 0.39 times as long as propodus (fig. 13, P3).
<emphasis id="F8E6BC424060EE6444C5FF39FEB129BA" box="[151,280,187,213]" italics="true" pageId="18" pageNumber="581">Pereopod 4</emphasis>
almost similar to pereopod 3 except propodus 1.14 times as long as carpus (fig. 13, P4).
</paragraph>
<paragraph id="CA2D60504060EE644495FF5DFD2F2B76" blockId="18.[151,1437,151,933]" pageId="18" pageNumber="581">
<emphasis id="F8E6BC424060EE644495FF5DFEE12996" box="[199,328,223,249]" italics="true" pageId="18" pageNumber="581">Pereopod 5</emphasis>
basis subrectangular with posterodistal corner produced; merus 1.31 times as long as carpus with 3 robust setae on posterior margin and 2 tufts of setae on the anterior margin; carpus 0.66 times as long as propodus, 2 robust setae on anterior margin, posterior margin bare; propodus anterior margin with a row of robust setae, posterior margin bare; dactylus bifid, 0.40 times as long as propodus (fig. 13, P5).
<emphasis id="F8E6BC424060EE644079FEC9FB02280B" box="[1067,1195,330,357]" italics="true" pageId="18" pageNumber="581">Pereopod 6</emphasis>
basis subrectangular; merus 1.23 times longer than carpus, both margins setose; carpus 0.63 times as long as propodus, anterior margin with a tuft of long setae, posterior margin bare; propodus anterior margin with 3 tufts of long setae, posterior margin bare; dactylus bifid, 0.36 times as long as propodus (fig. 13, P6).
<emphasis id="F8E6BC424060EE6447CCFE35FB8B28BE" box="[926,1058,439,465]" italics="true" pageId="18" pageNumber="581">Pereopod 7</emphasis>
basis suboval; merus 1.64, both margins setose; carpus 0.61 times as long as propodus; propodus anterior margin with 3 tufts of long setae; dactylus 0.37 times as long as propodus (fig. 13, P7).
</paragraph>
<paragraph id="CA2D60504060EE644495FDA1FADC2B9E" blockId="18.[151,1437,151,933]" pageId="18" pageNumber="581">
<emphasis id="F8E6BC424060EE644495FDA1FEB82B52" bold="true" box="[199,273,547,573]" pageId="18" pageNumber="581">Pleon.</emphasis>
<emphasis id="F8E6BC424060EE64454EFDA1FE182B52" box="[284,433,547,573]" italics="true" pageId="18" pageNumber="581">Epimera 13</emphasis>
posteroventral corner rounded.
<emphasis id="F8E6BC424060EE64477AFDA1FC072B52" box="[808,942,547,573]" italics="true" pageId="18" pageNumber="581">Epimeron 1</emphasis>
ventral margin bare.
<emphasis id="F8E6BC424060EE6440FCFDA1FAED2B52" box="[1198,1348,547,573]" italics="true" pageId="18" pageNumber="581">Epimera 23</emphasis>
ventral margin with 3 and 4 setae respectively.
<emphasis id="F8E6BC424060EE644601FDC5FD172B0E" box="[595,702,583,609]" italics="true" pageId="18" pageNumber="581">Uropod 1</emphasis>
peduncle 1.17 times as long as outer ramus, with well-developed basofacial seta and long spur at distal margin; outer ramus 1.14 times longer than inner ramus; inner ramus without marginal setae (fig. 14, U1).
<emphasis id="F8E6BC424060EE64458DFD0DFDE22BC6" box="[479,587,655,681]" italics="true" pageId="18" pageNumber="581">Uropod 2</emphasis>
peduncle 0.84 times as long as outer ramus; inner ramus subequal to outer ramus (fig. 14, U2).
<emphasis id="F8E6BC424060EE64452CFD31FE402BA2" box="[382,489,691,717]" italics="true" pageId="18" pageNumber="581">Uropod 3</emphasis>
peduncle 0.61 times as long as outer ramus; inner ramus 0.79 times as long as outer ramus (fig. 13, U3). Telson deeply cleft, as long as broad with 6 setae on distal margin of each lobe (fig. 14, T).
</paragraph>
<paragraph id="CA2D60504060EE644495FD78FA312A7A" blockId="18.[151,1437,151,933]" box="[199,1432,762,789]" pageId="18" pageNumber="581">
<emphasis id="F8E6BC424060EE644495FD78FDAC2A7B" bold="true" box="[199,517,762,788]" pageId="18" pageNumber="581">Geographical distribution.</emphasis>
<materialsCitation id="7AFA6A0D4060EE64465EFD79FA3D2A7A" ID-GBIF-Occurrence="4903570307" box="[524,1428,763,789]" country="India" location="Shivrajpur" pageId="18" pageNumber="581" specimenCount="1" stateProvince="Gujarat">
The species is so far known only from its
<typeStatus id="1529DEF24060EE6447B2FD79FBB92A7A" box="[992,1040,763,789]" pageId="18" pageNumber="581">type</typeStatus>
locality,
<location id="CF4D368B4060EE64402AFD79FB472A7A" LSID="urn:lsid:plazi:treatment:423BD146407DEE6444C5FDFAFF542ACA:CF4D368B4060EE64402AFD79FB472A7A" box="[1144,1262,763,789]" country="India" name="Shivrajpur" pageId="18" pageNumber="581" stateProvince="Gujarat">Shivrajpur</location>
<collectingRegion id="0856AEB24060EE6440A7FD79FAE52A7A" box="[1269,1356,763,789]" country="India" name="Gujarat" pageId="18" pageNumber="581">Gujarat</collectingRegion>
,
<collectingCountry id="B28520C04060EE644105FD79FA3D2A7A" box="[1367,1428,763,789]" name="India" pageId="18" pageNumber="581">India</collectingCountry>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="828833DB4060EE644495FC9DFF542ACA" pageId="18" pageNumber="581" type="discussion">
<paragraph id="CA2D60504060EE644495FC9DFF542ACA" blockId="18.[151,1437,151,933]" pageId="18" pageNumber="581">
<emphasis id="F8E6BC424060EE644495FC9DFE922A56" bold="true" box="[199,315,799,825]" pageId="18" pageNumber="581">Remarks.</emphasis>
<taxonomicName id="0D921BD34060EE644517FC9DFDB42A56" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[325,541,799,825]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="18" pageNumber="581" phylum="Arthropoda" rank="species" species="okha" status="sp. nov.">
<emphasis id="F8E6BC424060EE644517FC9DFDB42A56" box="[325,541,799,825]" italics="true" pageId="18" pageNumber="581">Quadrimaera okha</emphasis>
</taxonomicName>
<emphasis id="F8E6BC424060EE644675FC9DFDD72A56" bold="true" box="[551,638,799,825]" pageId="18" pageNumber="581">
<taxonomicNameLabel id="E3D501394060EE644675FC9DFDD72A56" box="[551,638,799,825]" pageId="18" pageNumber="581" rank="species">sp. nov</taxonomicNameLabel>
</emphasis>
is very close to two congeners:
<taxonomicName id="0D921BD34060EE6447ABFC9DFAEC2A56" authority="Hughes, 2015" authorityName="Hughes" authorityYear="2015" box="[1017,1349,798,825]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="18" pageNumber="581" phylum="Arthropoda" rank="species" species="brownorum">
<emphasis id="F8E6BC424060EE6447ABFC9DFB092A56" box="[1017,1184,799,825]" italics="true" pageId="18" pageNumber="581">Q. brownorum</emphasis>
<bibRefCitation id="AE031DA14060EE6440F5FC9DFAEC2A56" author="Hughes, L. E." box="[1191,1349,798,825]" pageId="18" pageNumber="581" pagination="201 - 256" refId="ref7457" refString="Hughes, L. E. (2015) Maeridae from the Indo-Pacific: Elasmopus, Leeuwinella gen. nov., Maeropsis, Pseudelasmopus and Quadrimaera (Amphipoda: Crustacea). Zootaxa, 4059 (2), 201 - 256. https: // doi. org / 10.11646 / zootaxa. 4059.2.1" type="journal article" year="2015">Hughes, 2015</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="0D921BD34060EE6441D3FC9DFDEA2A32" authority="(Ruffo, Krapp &amp; Gable, 2000)" baseAuthorityName="Ruffo, Krapp &amp; Gable" baseAuthorityYear="2000" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="18" pageNumber="581" phylum="Arthropoda" rank="species" species="caliban">
<emphasis id="F8E6BC424060EE6441D3FC9DFF422A32" italics="true" pageId="18" pageNumber="581">Q. caliban</emphasis>
(
<bibRefCitation id="AE031DA14060EE6444A8FCC1FD922A32" author="Ruffo, S. &amp; Krapp, T. &amp; Gable, M. F." box="[250,571,835,861]" pageId="18" pageNumber="581" pagination="1 - 35" refId="ref8016" refString="Ruffo, S., Krapp, T. &amp; Gable, M. F. (2000) The genus Maera (Crustacea: Amphipoda: Melitidae) from Bermuda. Postilla, 221, 1 - 35." type="journal article" year="2000">Ruffo, Krapp &amp; Gable, 2000</bibRefCitation>
)
</taxonomicName>
in having an excavation on female G2 dactylus and telson lobes having more than 3 robust setae on the distal margin. But
<taxonomicName id="0D921BD34060EE6446DDFCE5FD412AEE" authorityName="Thacker &amp; Myers &amp; Trivedi" authorityYear="2024" box="[655,744,871,897]" class="Malacostraca" family="Maeridae" genus="Quadrimaera" kingdom="Animalia" order="Amphipoda" pageId="18" pageNumber="581" phylum="Arthropoda" rank="species" species="okha" status="sp. nov">
<emphasis id="F8E6BC424060EE6446DDFCE5FD412AEE" box="[655,744,871,897]" italics="true" pageId="18" pageNumber="581">Q. okha</emphasis>
</taxonomicName>
<emphasis id="F8E6BC424060EE6446A2FCE5FCEC2AEE" bold="true" box="[752,837,871,897]" pageId="18" pageNumber="581">
<taxonomicNameLabel id="E3D501394060EE6446A2FCE5FCEC2AEE" box="[752,837,871,897]" pageId="18" pageNumber="581" rank="species">sp. nov</taxonomicNameLabel>
</emphasis>
can be differentiated from these two close congeners (
<tableCitation id="871055EB4060EE6444CDFC09FF5D2ACA" box="[159,244,907,933]" captionStart="TABLE 2" captionStartId="18.[152,244,1016,1040]" captionTargetPageId="18" captionText="TABLE 2. Comparison of character states of Quadrimaera okha sp. nov., Quadrimaera brownorum Hughes, 2015 and Quadrimaera caliban (Ruffo, Krapp &amp; Gable, 2000)." httpUri="http://table.plazi.org/id/9EED30D84060EE6444CAFC7AFD782D5B" pageId="18" pageNumber="581" tableUuid="9EED30D84060EE6444CAFC7AFD782D5B">Table 2</tableCitation>
)
</paragraph>
</subSubSection>
</treatment>
</document>