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treatments-xml/data/11/31/F8/1131F815E97EFFA2A04DFEE26728C7C1.xml
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<document id="0003EA7A4BADA3EA66B3B3B7D94FABCB" ID-DOI="10.1080/00222933.2021.1936677" ID-ISSN="1464-5262" ID-Zenodo-Dep="5465801" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630919771865" checkinUser="plazi" docAuthor="Park, Jong-Geun" docDate="2021" docId="1131F815E97EFFA2A04DFEE26728C7C1" docLanguage="en" docName="JNATHIST.55.17-18.1075-1111.pdf" docOrigin="Journal of Natural History 55 (17 - 18)" docSource="http://dx.doi.org/10.1080/00222933.2021.1936677" docStyle="DocumentStyle:3C762F9783B768A90048B82ACD135A62.3:JNatHist.2017-.journal_article.0cover" docStyleId="3C762F9783B768A90048B82ACD135A62" docStyleName="JNatHist.2017-.journal_article.0cover" docStyleVersion="3" docTitle="Mekongbathynella jayavarthoni Park 2021, sp. n." docType="treatment" docVersion="4" lastPageNumber="1100" masterDocId="ED08806DE968FFBBA104FFD0666EC21C" masterDocTitle="Four new species of Parabathynellidae (Bathynellacea, Syncarida) from the interstitial environment of the Mekong River" masterLastPageNumber="1111" masterPageNumber="1075" pageNumber="1097" updateTime="1699282343832" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="C01F8E1BEBB0E5922231B465EA036A7B" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="9E60FE62072670350CA03F7E71AFD40A">
<mods:title id="85333EA36B9B835EF0BD8EDB109A2A3C">Four new species of Parabathynellidae (Bathynellacea, Syncarida) from the interstitial environment of the Mekong River</mods:title>
</mods:titleInfo>
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<mods:role id="0620B327C9D96C7F460FC848F81EBB85">
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<mods:namePart id="21AABB0B43659D1DB095B4710A6D1868">Park, Jong-Geun</mods:namePart>
</mods:name>
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<mods:title id="D7E3E717CE46C68AB4783FFC4A5D3735">Journal of Natural History</mods:title>
</mods:titleInfo>
<mods:part id="CCCCD1C7D4332C1E7D2ED11C2F70E769">
<mods:date id="5A73C56DE09A4241AA2D4C9053D3A0DC">2021</mods:date>
<mods:detail id="2DF2627A2BA0AFD02C52636566C70E25" type="pubDate">
<mods:number id="2078ADD2E2BA2F00CFF6D80DA530465E">2021-07-21</mods:number>
</mods:detail>
<mods:detail id="934AFBF9F3D121DDE309A080804977FB" type="volume">
<mods:number id="204B4C04422EC8B69C602B4532C521B0">55</mods:number>
</mods:detail>
<mods:detail id="08E965EF39A9688C48167AABB02BA024" type="issue">
<mods:number id="834D2928F5098AF4171036925E4E2693">17 - 18</mods:number>
</mods:detail>
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<mods:start id="69EC219731DA96E09B40E3C27538126B">1075</mods:start>
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<mods:url id="ACC231E90F88CD3E270121DB84F0D0C6">http://dx.doi.org/10.1080/00222933.2021.1936677</mods:url>
</mods:location>
<mods:classification id="BF306EE51BEDED27F18164CF1B32C7AF">journal article</mods:classification>
<mods:identifier id="907E0E09E8D7E37E72C2FFA1D537D507" type="DOI">10.1080/00222933.2021.1936677</mods:identifier>
<mods:identifier id="CA3EE15AE0CB199FDDA7DEEA9459A681" type="ISSN">1464-5262</mods:identifier>
<mods:identifier id="9616630B1230AFF0AAC894CC10425084" type="Zenodo-Dep">5465801</mods:identifier>
</mods:mods>
<treatment id="1131F815E97EFFA2A04DFEE26728C7C1" ID-DOI="http://doi.org/10.5281/zenodo.5496923" ID-Zenodo-Dep="5496923" LSID="urn:lsid:plazi:treatment:1131F815E97EFFA2A04DFEE26728C7C1" httpUri="http://treatment.plazi.org/id/1131F815E97EFFA2A04DFEE26728C7C1" lastPageId="25" lastPageNumber="1100" pageId="22" pageNumber="1097">
<subSubSection id="D1821A88E97EFFADA04DFEE265B4C350" box="[329,986,306,332]" pageId="22" pageNumber="1097" type="nomenclature">
<paragraph id="99274903E97EFFADA04DFEE265B4C350" blockId="22.[329,986,306,332]" box="[329,986,306,332]" pageId="22" pageNumber="1097">
<heading id="C26FFE6FE97EFFADA04DFEE265B4C350" box="[329,986,306,332]" centered="true" fontSize="11" level="2" pageId="22" pageNumber="1097" reason="5">
<taxonomicName id="5E983280E97EFFADA04DFEE264BDC350" authority="Park, 2021" authorityName="Park" authorityYear="2021" box="[329,723,306,332]" class="Malacostraca" family="Parabathynellidae" genus="Mekongbathynella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Bathynellacea" pageId="22" pageNumber="1097" phylum="Arthropoda" rank="species" species="jayavarthoni" status="sp. nov.">Mekongbathynella jayavarthoni</taxonomicName>
<taxonomicNameLabel id="B0DF286AE97EFFADA3DFFEE26570C350" box="[731,798,306,332]" pageId="22" pageNumber="1097" rank="species">
<emphasis id="ABEC9511E97EFFADA3DFFEE26579C350" bold="true" box="[731,791,306,332]" pageId="22" pageNumber="1097">sp. n</emphasis>
.
</taxonomicNameLabel>
(
<figureCitation id="01A35586E97EFFADA229FEE265BCC350" box="[813,978,306,332]" captionStart-0="Figure 16" captionStart-1="Figure 17" captionStart-2="Figure 18" captionStart-3="Figure 19" captionStart-4="Figure 20" captionStartId-0="23.[160,225,1450,1473]" captionStartId-1="24.[160,225,1408,1431]" captionStartId-2="26.[160,225,1474,1497]" captionStartId-3="27.[160,225,1458,1481]" captionStartId-4="28.[160,225,1441,1464]" captionTargetBox-0="[163,1152,142,1417]" captionTargetBox-1="[163,1153,142,1376]" captionTargetBox-2="[163,1153,142,1442]" captionTargetBox-3="[163,1152,142,1425]" captionTargetBox-4="[163,1153,142,1410]" captionTargetId-0="figure-26@23.[163,1153,142,1418]" captionTargetId-1="figure-56@24.[163,1153,142,1376]" captionTargetId-2="figure-19@26.[163,1153,142,1442]" captionTargetId-3="figure-34@27.[163,1153,142,1426]" captionTargetId-4="figure-31@28.[163,1153,142,1410]" captionTargetPageId-0="23" captionTargetPageId-1="24" captionTargetPageId-2="26" captionTargetPageId-3="27" captionTargetPageId-4="28" captionText-0="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." captionText-1="Figure 17. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm." captionText-2="Figure 18. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), thoracopod III ♂ (frontal); (b), thoracopod IV ♂ (frontal); (c), thoracopod V ♂ (frontal); (d), thoracopod VI ♂ (frontal); (e), protopod of thoracopod VI ♀ (frontal). Scale bar = 0.05 mm." captionText-3="Figure 19. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), thoracopod VII ♂ (frontal); (b), thoracopod VIII ♀ (ventral); (c), thoracopod VIII ♀ (lateral); (d), thoracopod VIII ♂ (inner lateral); (e), right and left thoracopods VIII ♂ (ventral). Scale bars = 0.05 mm." captionText-4="Figure 20. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), uropod (dorsal); (b), pleotelson and furcal rami (dorsal); (c), pleotelson, uropod and furcal ramus (lateral). Scale bars = 0.05 mm." figureDoi-0="http://doi.org/10.5281/zenodo.5465862" figureDoi-1="http://doi.org/10.5281/zenodo.5465868" figureDoi-2="http://doi.org/10.5281/zenodo.5465872" figureDoi-3="http://doi.org/10.5281/zenodo.5465876" figureDoi-4="http://doi.org/10.5281/zenodo.5465880" httpUri-0="https://zenodo.org/record/5465862/files/figure.png" httpUri-1="https://zenodo.org/record/5465868/files/figure.png" httpUri-2="https://zenodo.org/record/5465872/files/figure.png" httpUri-3="https://zenodo.org/record/5465876/files/figure.png" httpUri-4="https://zenodo.org/record/5465880/files/figure.png" pageId="22" pageNumber="1097">Figures 16–20</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="D1821A88E97EFFADA1A4FE426215C3ED" pageId="22" pageNumber="1097" type="etymology">
<paragraph id="99274903E97EFFADA1A4FE426773C3B0" blockId="22.[160,1155,402,497]" box="[160,285,402,428]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1A4FE426773C3B0" bold="true" box="[160,285,402,428]" italics="true" pageId="22" pageNumber="1097">Etymology</emphasis>
</paragraph>
<paragraph id="99274903E97EFFADA1A4FE656215C3ED" blockId="22.[160,1155,402,497]" pageId="22" pageNumber="1097">The specific epithet is derived from Jayavarthon, the civil-name of Jayavarman VII, who is generally recognised as the most powerful king of the Khmer Empire. Gender feminine.</paragraph>
</subSubSection>
<subSubSection id="D1821A88E97EFFADA1A4FDF56744C186" pageId="22" pageNumber="1097" type="materials_examined">
<paragraph id="99274903E97EFFADA1A4FDF5672AC023" blockId="22.[160,1156,549,922]" box="[160,324,549,575]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1A4FDF5672AC023" bold="true" box="[160,324,549,575]" italics="true" pageId="22" pageNumber="1097">Type material</emphasis>
</paragraph>
<paragraph id="99274903E97EFFADA1A4FD996722C0D6" blockId="22.[160,1156,549,922]" pageId="22" pageNumber="1097">
<materialsCitation id="29F0435EE97EFFADA1A4FD996722C0D6" collectingDate="2012-04-25" collectionCode="NIBR" collectorName="Collector &amp; J. - L. Cho" country="Cambodia" county="Adult" elevation="20" location="Pien Island" municipality="Tbong Kmom District" pageId="22" pageNumber="1097" specimenCode="IV0000266909" specimenCount="1" stateProvince="Kampong Cham" typeStatus="holotype">
<emphasis id="ABEC9511E97EFFADA1A4FD99676FC07E" box="[160,257,585,610]" italics="true" pageId="22" pageNumber="1097">
<typeStatus id="4623F7A1E97EFFADA1A4FD99676FC07E" box="[160,257,585,610]" pageId="22" pageNumber="1097" type="holotype">Holotype</typeStatus>
</emphasis>
.
<collectingCounty id="7046318FE97EFFADA015FD996720C07E" box="[273,334,585,610]" pageId="22" pageNumber="1097">Adult</collectingCounty>
female, dissected on five slides.
<collectingCountry id="E18F0993E97EFFADA3D1FD996524C07E" box="[725,842,585,610]" name="Cambodia" pageId="22" pageNumber="1097">Cambodia</collectingCountry>
,
<collectingRegion id="5B5C87E1E97EFFADA25CFD9962EEC07E" box="[856,1152,585,610]" country="Cambodia" name="Kampong Cham" pageId="22" pageNumber="1097">Kampong Cham Province</collectingRegion>
,
<collectingMunicipality id="7943D379E97EFFADA1A4FDBC67FCC099" box="[160,402,620,645]" pageId="22" pageNumber="1097">Tbong Kmom District</collectingMunicipality>
,
<location id="9C471FD8E97EFFADA09FFDBC6479C099" LSID="urn:lsid:plazi:treatment:1131F815E97EFFA2A04DFEE26728C7C1:9C471FD8E97EFFADA09FFDBC6479C099" box="[411,535,620,645]" country="Cambodia" county="Adult" municipality="Tbong Kmom District" name="Pien Island" pageId="22" pageNumber="1097" stateProvince="Kampong Cham">Pien Island</location>
,
<location id="9C471FD8E97EFFADA324FDBC64FEC099" LSID="urn:lsid:plazi:treatment:1131F815E97EFFA2A04DFEE26728C7C1:9C471FD8E97EFFADA324FDBC64FEC099" box="[544,656,620,645]" country="Cambodia" county="Adult" municipality="Tbong Kmom District" name="Interstitial" pageId="22" pageNumber="1097" stateProvince="Kampong Cham">Interstitial</location>
in sand bank of
<location id="9C471FD8E97EFFADA24EFDBC6588C099" LSID="urn:lsid:plazi:treatment:1131F815E97EFFA2A04DFEE26728C7C1:9C471FD8E97EFFADA24EFDBC6588C099" box="[842,998,620,645]" country="Cambodia" county="Adult" municipality="Tbong Kmom District" name="Mekong River" pageId="22" pageNumber="1097" stateProvince="Kampong Cham">Mekong River</location>
, depth
<quantity id="5E60E4E6E97EFFADA53DFDBC62EEC099" box="[1081,1152,620,645]" metricMagnitude="-1" metricUnit="m" metricValue="7.0" pageId="22" pageNumber="1097" unit="cm" value="70.0">70 cm</quantity>
,
<quantity id="5E60E4E6E97EFFADA1A4FD5E66B6C0BB" box="[160,216,654,679]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="1097" unit="m" value="20.0">
<elevation id="12B5AE30E97EFFADA1A4FD5E66B6C0BB" box="[160,216,654,679]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="22" pageNumber="1097" unit="m" value="20.0">20 m</elevation>
</quantity>
from shore, Site 3 (11°56’29.4”, 105°27’40”),
<date id="ED266FC3E97EFFADA3C0FD5E6530C0BB" box="[708,862,654,679]" pageId="22" pageNumber="1097" value="2012-04-25">
<collectingDate id="FD62962BE97EFFADA3C0FD5E6530C0BB" box="[708,862,654,679]" pageId="22" pageNumber="1097" value="2012-04-25">25. April 2012</collectingDate>
</date>
(
<collectorName id="346D2CD5E97EFFADA26EFD5E65BCC0BB" box="[874,978,654,679]" pageId="22" pageNumber="1097">Collector</collectorName>
:
<collectorName id="346D2CD5E97EFFADA2D8FD5E6255C0BB" box="[988,1083,654,679]" pageId="22" pageNumber="1097">J.-L. Cho</collectorName>
) (
<collectionCode id="FF89D1C6E97EFFADA548FD5E62EDC0BB" box="[1100,1155,654,679]" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">NIBR</collectionCode>
<specimenCode id="C93EE178E97EFFADA1A4FD61672DC0D6" box="[160,323,689,714]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV0000266909</specimenCode>
).
</materialsCitation>
</paragraph>
<paragraph id="99274903E97EFFADA1C4FD046734C113" blockId="22.[160,1156,549,922]" pageId="22" pageNumber="1097">
<materialsCitation id="29F0435EE97EFFADA1C4FD046734C113" collectingDate="2012-04-25" collectionCode="NIBR" collectorName="Collector &amp; J. - L. Cho" country="Cambodia" county="Adult" elevation="20" location="Pien Island" municipality="Tbong Kmom District" pageId="22" pageNumber="1097" specimenCode="IV00002668910" specimenCount="1" stateProvince="Kampong Cham" typeStatus="allotype">
<emphasis id="ABEC9511E97EFFADA1C4FD046779C0F1" box="[192,279,724,749]" italics="true" pageId="22" pageNumber="1097">
<typeStatus id="4623F7A1E97EFFADA1C4FD046779C0F1" box="[192,279,724,749]" pageId="22" pageNumber="1097" type="allotype">Allotype</typeStatus>
</emphasis>
. Adult male dissected on six slides, same data as holotype (
<collectionCode id="FF89D1C6E97EFFADA548FD0462EDC0F1" box="[1100,1155,724,749]" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">NIBR</collectionCode>
<specimenCode id="C93EE178E97EFFADA1A4FD26673FC113" box="[160,337,758,783]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV00002668910</specimenCode>
).
</materialsCitation>
</paragraph>
<paragraph id="99274903E97EFFADA1C4FCC96744C186" blockId="22.[160,1156,549,922]" pageId="22" pageNumber="1097">
<materialsCitation id="29F0435EE97EFFADA1C4FCC96748C186" collectingDate="2012-04-25" collectionCode="NIBR" collectorName="Collector &amp; J. - L. Cho" country="Cambodia" county="Adult" elevation="20" location="Pien Island" municipality="Tbong Kmom District" pageId="22" pageNumber="1097" specimenCode="IV0000266900, IV0000266901, IV0000266911, IV0000266924" specimenCount="3" specimenCount-adult="1" specimenCount-female="1" specimenCount-male="1" stateProvince="Kampong Cham" typeStatus="paratype">
<emphasis id="ABEC9511E97EFFADA1C4FCC96744C12E" box="[192,298,793,818]" italics="true" pageId="22" pageNumber="1097">
<typeStatus id="4623F7A1E97EFFADA1C4FCC96744C12E" box="[192,298,793,818]" pageId="22" pageNumber="1097" type="paratype">Paratypes</typeStatus>
</emphasis>
. One adult female dissected on four slides (
<collectionCode id="FF89D1C6E97EFFADA226FCC96537C12E" box="[802,857,793,818]" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">NIBR</collectionCode>
<specimenCode id="C93EE178E97EFFADA266FCC9626BC12E" box="[866,1029,793,818]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV0000266900</specimenCode>
),
<specimenCount id="8F9E828AE97EFFADA512FCC962EDC12E" box="[1046,1155,793,818]" pageId="22" pageNumber="1097" type="adult">one adult</specimenCount>
male dissected on five slides (
<collectionCode id="FF89D1C6E97EFFADA0E8FCEC644DC149" box="[492,547,828,853]" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">NIBR</collectionCode>
<specimenCode id="C93EE178E97EFFADA32EFCEC64A3C149" box="[554,717,828,853]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV0000266901</specimenCode>
),
<specimenCount id="8F9E828AE97EFFADA3D8FCEC650FC149" box="[732,865,828,853]" pageId="22" pageNumber="1097" type="female">five females</specimenCount>
and
<specimenCount id="8F9E828AE97EFFADA29FFCEC6260C149" box="[923,1038,828,853]" pageId="22" pageNumber="1097" type="male">two males</specimenCount>
each kept as a whole specimen on separate slides (
<collectionCode id="FF89D1C6E97EFFADA362FC8E64F3C16B" box="[614,669,862,887]" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">NIBR</collectionCode>
<specimenCode id="C93EE178E97EFFADA3A0FC8E652CC16B" box="[676,834,862,887]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV0000266911</specimenCode>
–
<specimenCode id="C93EE178E97EFFADA259FC8E626EC16B" box="[861,1024,862,887]" collectionCode="NIBR" country="South Korea" httpUri="http://grbio.org/cool/r4iq-k5jx" name="National Institute of Biological Resources" pageId="22" pageNumber="1097">IV0000266924</specimenCode>
), same data as holotype
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="D1821A88E97EFFA2A1A4FC1E6728C7C1" lastPageId="25" lastPageNumber="1100" pageId="22" pageNumber="1097" type="description">
<paragraph id="99274903E97EFFADA1A4FC1E640AC1F4" blockId="22.[160,1156,974,1728]" box="[160,612,974,1000]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1A4FC1E640AC1F4" bold="true" box="[160,612,974,1000]" italics="true" pageId="22" pageNumber="1097">
Description of adult female (
<typeStatus id="4623F7A1E97EFFADA0F1FC1E6435C1F4" box="[501,603,974,1000]" pageId="22" pageNumber="1097" type="holotype">holotype</typeStatus>
)
</emphasis>
</paragraph>
<paragraph id="99274903E97EFFADA1A4FC22622FC632" blockId="22.[160,1156,974,1728]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1A4FC2266B8C617" box="[160,214,1010,1035]" italics="true" pageId="22" pageNumber="1097">Body</emphasis>
. Length
<quantity id="5E60E4E6E97EFFADA03DFC2267F5C617" box="[313,411,1010,1035]" metricMagnitude="-3" metricUnit="m" metricValue="1.04" pageId="22" pageNumber="1097" unit="mm" value="1.04">1.04 mm</quantity>
(average of other females: 1.03, n = 8), approximately 15 times as long as wide. Head slightly longer than anterior two thoracic segments combined.
</paragraph>
<paragraph id="99274903E97EFFADA1C4FBE7668CC77A" blockId="22.[160,1156,974,1728]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1C4FBE76741C64C" box="[192,303,1079,1104]" italics="true" pageId="22" pageNumber="1097">Antennule</emphasis>
(
<figureCitation id="01A35586E97EFFADA045FBE767DFC64C" box="[321,433,1079,1104]" captionStart="Figure 16" captionStartId="23.[160,225,1450,1473]" captionTargetBox="[163,1152,142,1417]" captionTargetId="figure-26@23.[163,1153,142,1418]" captionTargetPageId="23" captionText="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="22" pageNumber="1097">Figure 16</figureCitation>
(b)) 6-segmented. First segment with one seta on inner distal margin, one simple dorsal seta, and one dorsal, two lateral plumose setae. Second segment with one group of four plumose setae and one simple seta on inner distal margin. Third segment with two lateral setae (inner one tiny) and one inner ventral seta. Inner flagellum with three simple setae. Fourth segment with one stub seta and one plumose seta on dorsal margin, and two plumose setae on outer distal apophysis. Fifth segment with three setae on inner margin, two aesthetascs, one simple seta and one aesthetasc dorsally. Sixth segment with three subterminal aesthetascs and four simple setae.
</paragraph>
<paragraph id="99274903E97EFFADA1C4FABF64EBC7B7" blockId="22.[160,1156,974,1728]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1C4FABF6772C794" box="[192,284,1391,1416]" italics="true" pageId="22" pageNumber="1097">Antenna</emphasis>
(
<figureCitation id="01A35586E97EFFADA035FABF67CFC794" box="[305,417,1391,1416]" captionStart="Figure 16" captionStartId="23.[160,225,1450,1473]" captionTargetBox="[163,1152,142,1417]" captionTargetId="figure-26@23.[163,1153,142,1418]" captionTargetPageId="23" captionText="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="22" pageNumber="1097">Figure 16</figureCitation>
(e)) six-segmented, as long as antennular segments 1–4. Setal formula: 0 + 0/0 + 0/1 + 0/1 + 1/0 + 0/4(1).
</paragraph>
<paragraph id="99274903E97EFFADA1C4FA6564A1C42A" blockId="22.[160,1156,974,1728]" pageId="22" pageNumber="1097">
<emphasis id="ABEC9511E97EFFADA1C4FA65677AC7D2" box="[192,276,1461,1486]" italics="true" pageId="22" pageNumber="1097">Labrum</emphasis>
(
<figureCitation id="01A35586E97EFFADA025FA6567E4C7D2" box="[289,394,1461,1486]" captionStart="Figure 16" captionStartId="23.[160,225,1450,1473]" captionTargetBox="[163,1152,142,1417]" captionTargetId="figure-26@23.[163,1153,142,1418]" captionTargetPageId="23" captionText="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="22" pageNumber="1097">Figure 16</figureCitation>
(f)) flat with eight median teeth flanked by two bulges carrying three spinules (inner) and one spinule (outer), respectively; median teeth decreasing in size medially. Inner surface with six rows of spinules in distal one third area, with one pair of long rows of spinules in proximal two thirds area.
</paragraph>
<paragraph id="99274903E97EFFADA1C4F9EF645AC4DC" blockId="22.[160,1156,974,1728]" pageId="22" pageNumber="1097">
Mandible (
<figureCitation id="01A35586E97EFFADA033F9EF67F1C444" box="[311,415,1599,1624]" captionStart="Figure 17" captionStartId="24.[160,225,1408,1431]" captionTargetBox="[163,1153,142,1376]" captionTargetId="figure-56@24.[163,1153,142,1376]" captionTargetPageId="24" captionText="Figure 17. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465868" httpUri="https://zenodo.org/record/5465868/files/figure.png" pageId="22" pageNumber="1097">Figure 17</figureCitation>
(a, b)) with incisor process of four teeth. Tooth of ventral edge long and seta-like. Spine row consisting of six spines. Most distal spine distally wide and serrated. Palp of one segments and three times longer than wide, with one apical seta exceeding incisor process in length.
</paragraph>
<caption id="CDE7198BE97FFFACA1A4FA7A6690C405" ID-DOI="http://doi.org/10.5281/zenodo.5465862" ID-Zenodo-Dep="5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="23" pageNumber="1098" startId="23.[160,225,1450,1473]" targetBox="[163,1152,142,1417]" targetPageId="23">
<paragraph id="99274903E97FFFACA1A4FA7A6690C405" blockId="23.[160,1155,1450,1561]" pageId="23" pageNumber="1098">
<emphasis id="ABEC9511E97FFFACA1A4FA7A6767C7DD" bold="true" box="[160,265,1450,1473]" pageId="23" pageNumber="1098">Figure 16.</emphasis>
<taxonomicName id="5E983280E97FFFACA017FA7A642BC7DD" authority="Park, 2021" authorityName="Park" authorityYear="2021" box="[275,581,1450,1473]" class="Malacostraca" family="Parabathynellidae" genus="Mekongbathynella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Bathynellacea" pageId="23" pageNumber="1098" phylum="Arthropoda" rank="species" species="jayavarthoni" status="sp. nov.">
<emphasis id="ABEC9511E97FFFACA017FA7A642BC7DD" box="[275,581,1450,1473]" italics="true" pageId="23" pageNumber="1098">Mekongbathynella jayavarthoni</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B0DF286AE97FFFACA34AFA7A64EBC7DD" box="[590,645,1450,1473]" pageId="23" pageNumber="1098" rank="species">sp. n.</taxonomicNameLabel>
(Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified.
</paragraph>
</caption>
<paragraph id="99274903E97FFFA3A1C4F983623AC454" blockId="23.[160,1155,1619,1679]" lastBlockId="24.[160,1156,1548,1712]" lastPageId="24" lastPageNumber="1099" pageId="23" pageNumber="1098">
<emphasis id="ABEC9511E97FFFACA1C4F983674FC470" box="[192,289,1619,1644]" italics="true" pageId="23" pageNumber="1098">Maxillule</emphasis>
(
<figureCitation id="01A35586E97FFFACA035F98367F2C470" box="[305,412,1619,1644]" captionStart="Figure 17" captionStartId="24.[160,225,1408,1431]" captionTargetBox="[163,1153,142,1376]" captionTargetId="figure-56@24.[163,1153,142,1376]" captionTargetPageId="24" captionText="Figure 17. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465868" httpUri="https://zenodo.org/record/5465868/files/figure.png" pageId="23" pageNumber="1098">Figure 17</figureCitation>
(c)) 2-segmented. Proximal segment with four claw-like setae and two subterminal spinules on inner distal margin. Distal segment distally with two spiculated spines, three spines and one flat round proximal projection on inner margin, and three simple setae on outer distal margin. All spines of inner margin spiculated.
</paragraph>
<caption id="CDE7198BE970FFA3A1A4FA5067B7C7CE" ID-DOI="http://doi.org/10.5281/zenodo.5465868" ID-Zenodo-Dep="5465868" httpUri="https://zenodo.org/record/5465868/files/figure.png" pageId="24" pageNumber="1099" startId="24.[160,225,1408,1431]" targetBox="[163,1153,142,1376]" targetPageId="24">
<paragraph id="99274903E970FFA3A1A4FA5067B7C7CE" blockId="24.[160,1156,1408,1490]" pageId="24" pageNumber="1099">
<emphasis id="ABEC9511E970FFA3A1A4FA506766C78B" bold="true" box="[160,264,1408,1431]" pageId="24" pageNumber="1099">Figure 17.</emphasis>
<taxonomicName id="5E983280E970FFA3A014FA50642FC78B" authority="Park, 2021" authorityName="Park" authorityYear="2021" box="[272,577,1408,1431]" class="Malacostraca" family="Parabathynellidae" genus="Mekongbathynella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Bathynellacea" pageId="24" pageNumber="1099" phylum="Arthropoda" rank="species" species="jayavarthoni" status="sp. nov.">
<emphasis id="ABEC9511E970FFA3A014FA50642FC78B" box="[272,577,1408,1431]" italics="true" pageId="24" pageNumber="1099">Mekongbathynella jayavarthoni</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B0DF286AE970FFA3A34EFA5064EEC78B" box="[586,640,1408,1431]" pageId="24" pageNumber="1099" rank="species">sp. n.</taxonomicNameLabel>
(Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm.
</paragraph>
</caption>
<paragraph id="99274903E970FFA3A1C4F9816767C4AC" blockId="24.[160,1156,1548,1712]" pageId="24" pageNumber="1099">
<emphasis id="ABEC9511E970FFA3A1C4F9816761C476" box="[192,271,1617,1642]" italics="true" pageId="24" pageNumber="1099">Maxilla</emphasis>
(
<figureCitation id="01A35586E970FFA3A025F98167E1C476" box="[289,399,1617,1642]" captionStart="Figure 17" captionStartId="24.[160,225,1408,1431]" captionTargetBox="[163,1153,142,1376]" captionTargetId="figure-56@24.[163,1153,142,1376]" captionTargetPageId="24" captionText="Figure 17. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465868" httpUri="https://zenodo.org/record/5465868/files/figure.png" pageId="24" pageNumber="1099">Figure 17</figureCitation>
(d)) 4-segmented, setal formula 1-3-8-6. Second segment without medial seta. Distal seta of third segment claw-like, as large as claw-like seta of fourth segment.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FF5E6588C36B" blockId="25.[160,1156,142,826]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FF5E67ECC2BB" box="[192,386,142,167]" italics="true" pageId="25" pageNumber="1100">Thoracopods I–VII</emphasis>
(
<figureCitation id="01A35586E971FFA2A096FF5E6464C2BB" box="[402,522,142,167]" captionStart="Figure 17" captionStartId="24.[160,225,1408,1431]" captionTargetBox="[163,1153,142,1376]" captionTargetId="figure-56@24.[163,1153,142,1376]" captionTargetPageId="24" captionText="Figure 17. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), mandible (dorsal); (b), mandible (inner lateral); (c), maxillule (dorsal); (d). maxilla (dorsal); (e), thoracopod I (frontal); (f), thoracopod II (frontal). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465868" httpUri="https://zenodo.org/record/5465868/files/figure.png" pageId="25" pageNumber="1100">Figures 17</figureCitation>
(e, f), 18(a–d), and 19(a)). Thoracopods I–IV increasing in size posteriorly. Thoracopods IV–VII similar in size. Thoracopods III–VII each bearing one epipod on protopod. Protopod of thoracopod VI with protruded inner margin. Thoracopods I–VII each with one basipodal seta. Exopod two-segmented throughout. Ventral seta of proximal segment shorter than length of distal segment, dorsal seta tiny. Dorsal seta of distal segment shorter than basis of ventral seta. Endopod four-segmented, setal formulae: Th I: 1 + 0/0 + 1/1 + 0/3(1); Th II–VII: 0 + 0/0 + 1/0 + 0/3(1).
</paragraph>
<paragraph id="99274903E971FFA2A1C4FE5162EAC386" blockId="25.[160,1156,142,826]" box="[192,1156,385,410]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FE516704C386" box="[192,362,385,410]" italics="true" pageId="25" pageNumber="1100">Thoracopod VIII</emphasis>
(
<figureCitation id="01A35586E971FFA2A07DFE51678AC386" box="[377,484,385,410]" captionStart="Figure 12" captionStartId="18.[160,225,1464,1487]" captionTargetBox="[163,1153,142,1432]" captionTargetId="figure-46@18.[163,1153,142,1432]" captionTargetPageId="18" captionText="Figure 12. Mekongbathynella jayavarmani sp. n. (Holotype: ♀). (a), maxillule (dorsal); (b). maxilla (dorsal); (c), thoracopod I (frontal); (d), thoracopod II (frontal); (e), thoracopod III (frontal). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465847" httpUri="https://zenodo.org/record/5465847/files/figure.png" pageId="25" pageNumber="1100">Figure 12</figureCitation>
(d)) in form of flat and round projection being basally fused.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FE74640AC3A1" blockId="25.[160,1156,142,826]" box="[192,612,420,445]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FE746723C3A1" box="[192,333,420,445]" italics="true" pageId="25" pageNumber="1100">First pleopod</emphasis>
(cf.
<figureCitation id="01A35586E971FFA2A079FE74678DC3A1" box="[381,483,420,445]" captionStart="Figure 11" captionStartId="17.[160,225,1475,1498]" captionTargetBox="[163,1153,142,1443]" captionTargetId="figure-36@17.[163,1153,142,1443]" captionTargetPageId="17" captionText="Figure 11. Mekongbathynella jayavarmani sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), second antennular segment ♂ (lateral); (d), second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral); (g), mandible ♀ (dorsal); (h), mandible ♀ (inner lateral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465844" httpUri="https://zenodo.org/record/5465844/files/figure.png" pageId="25" pageNumber="1100">Figure 11</figureCitation>
(a)) absent.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FE166698C076" blockId="25.[160,1156,142,826]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FE16677FC3C3" box="[192,273,454,479]" italics="true" pageId="25" pageNumber="1100">Uropod</emphasis>
(
<figureCitation id="01A35586E971FFA2A01AFE1667E9C3C3" box="[286,391,454,479]" captionStart="Figure 20" captionStartId="28.[160,225,1441,1464]" captionTargetBox="[163,1153,142,1410]" captionTargetId="figure-31@28.[163,1153,142,1410]" captionTargetPageId="28" captionText="Figure 20. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), uropod (dorsal); (b), pleotelson and furcal rami (dorsal); (c), pleotelson, uropod and furcal ramus (lateral). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465880" httpUri="https://zenodo.org/record/5465880/files/figure.png" pageId="25" pageNumber="1100">Figure 20</figureCitation>
(a)) with two subterminal spines of equal size in oblique row on inner margin of sympod. Endopod 54% as long as sympod, with one distal spine, two dorsal plumose setae, and two terminal setae. Distal outer margin slightly protruded. Exopod 53% as long as sympod, with one basi-ventral seta and three setae on outer and terminal margin.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FDA462EAC091" blockId="25.[160,1156,142,826]" box="[192,1156,628,653]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FDA46740C091" box="[192,302,628,653]" italics="true" pageId="25" pageNumber="1100">Pleotelson</emphasis>
(
<figureCitation id="01A35586E971FFA2A039FDA467C7C091" box="[317,425,628,653]" captionStart="Figure 20" captionStartId="28.[160,225,1441,1464]" captionTargetBox="[163,1153,142,1410]" captionTargetId="figure-31@28.[163,1153,142,1410]" captionTargetPageId="28" captionText="Figure 20. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), uropod (dorsal); (b), pleotelson and furcal rami (dorsal); (c), pleotelson, uropod and furcal ramus (lateral). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465880" httpUri="https://zenodo.org/record/5465880/files/figure.png" pageId="25" pageNumber="1100">Figure 20</figureCitation>
(b, c)) with one lateral seta near base of furcal rami on both sides.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FD466715C0CE" blockId="25.[160,1156,142,826]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FD466704C0B3" box="[192,362,662,687]" italics="true" pageId="25" pageNumber="1100">Anal operculum</emphasis>
(
<figureCitation id="01A35586E971FFA2A07CFD46678FC0B3" box="[376,481,662,687]" captionStart="Figure 15" captionStartId="21.[160,225,1477,1500]" captionTargetBox="[163,1153,142,1445]" captionTargetId="figure-59@21.[163,1153,142,1445]" captionTargetPageId="21" captionText="Figure 15. Mekongbathynella jayavarmani sp. n. (Holotype: ♀). (a), uropod (dorsal); (b), pleotelson and furcal rami (dorsal); (c), pleotelson, uropod and furcal ramus (lateral). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465857" httpUri="https://zenodo.org/record/5465857/files/figure.png" pageId="25" pageNumber="1100">Figure 15</figureCitation>
(b, c)) slightly protruded with round margin barely exceeding basis of furcal rami.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FD0C6690C126" blockId="25.[160,1156,142,826]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FD0C6755C0E9" box="[192,315,732,757]" italics="true" pageId="25" pageNumber="1100">Furcal rami</emphasis>
(
<figureCitation id="01A35586E971FFA2A04EFD0C67D8C0E9" box="[330,438,732,757]" captionStart="Figure 20" captionStartId="28.[160,225,1441,1464]" captionTargetBox="[163,1153,142,1410]" captionTargetId="figure-31@28.[163,1153,142,1410]" captionTargetPageId="28" captionText="Figure 20. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀). (a), uropod (dorsal); (b), pleotelson and furcal rami (dorsal); (c), pleotelson, uropod and furcal ramus (lateral). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465880" httpUri="https://zenodo.org/record/5465880/files/figure.png" pageId="25" pageNumber="1100">Figure 20</figureCitation>
(b, c)) 1.2 times as long as wide, with two large distal spines and one smaller spine on inner margin and with one simple seta and one plumose setae dorsally.
</paragraph>
<paragraph id="99274903E971FFA2A1A4FCA56428C193" blockId="25.[160,1156,885,1501]" box="[160,582,885,911]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1A4FCA56428C193" bold="true" box="[160,582,885,911]" italics="true" pageId="25" pageNumber="1100">
Description of adult male (
<typeStatus id="4623F7A1E971FFA2A0DBFCA56453C193" box="[479,573,885,911]" pageId="25" pageNumber="1100" type="allotype">allotype</typeStatus>
)
</emphasis>
</paragraph>
<paragraph id="99274903E971FFA2A1A4FC4964A2C1EB" blockId="25.[160,1156,885,1501]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1A4FC4966B8C1AE" box="[160,214,921,946]" italics="true" pageId="25" pageNumber="1100">Body</emphasis>
(
<figureCitation id="01A35586E971FFA2A1E1FC49673EC1AE" box="[229,336,921,946]" captionStart="Figure 16" captionStartId="23.[160,225,1450,1473]" captionTargetBox="[163,1152,142,1417]" captionTargetId="figure-26@23.[163,1153,142,1418]" captionTargetPageId="23" captionText="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="25" pageNumber="1100">Figure 16</figureCitation>
(a)). length
<quantity id="5E60E4E6E971FFA2A0D5FC49645AC1AE" box="[465,564,921,946]" metricMagnitude="-4" metricUnit="m" metricValue="9.9" pageId="25" pageNumber="1100" unit="mm" value="0.99">0.99 mm</quantity>
(average of other males: 0.99, n = 7). Differing from the female in second antennular segment, flat inner margin of thoracopod VI and thoracopod VIII as well as slightly in body length.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FBD164ADC643" blockId="25.[160,1156,885,1501]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FBD16780C606" box="[192,494,1025,1050]" italics="true" pageId="25" pageNumber="1100">Second antennular segment</emphasis>
(
<figureCitation id="01A35586E971FFA2A0F8FBD1640BC606" box="[508,613,1025,1050]" captionStart="Figure 16" captionStartId="23.[160,225,1450,1473]" captionTargetBox="[163,1152,142,1417]" captionTargetId="figure-26@23.[163,1153,142,1418]" captionTargetPageId="23" captionText="Figure 16. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), general habitus ♂ (lateral); (b), antennule ♀ (dorsal); (c), antennule ♂ (dorsal); (d). second antennular segment ♂ (ventral); (e), antenna ♀ (dorsal); (f), labrum ♀ (ventral). Scale bars = 0.05 mm, unless otherwise specified." figureDoi="http://doi.org/10.5281/zenodo.5465862" httpUri="https://zenodo.org/record/5465862/files/figure.png" pageId="25" pageNumber="1100">Figure 16</figureCitation>
(c, d)) bearing a prominent protrusion formed by two lobes. Ventral lobe nearly half as wide as dorsal lobe. Other setal ornamentation similar to second antennular segment of female.
</paragraph>
<paragraph id="99274903E971FFA2A1C4FBB96728C7C1" blockId="25.[160,1156,885,1501]" pageId="25" pageNumber="1100">
<emphasis id="ABEC9511E971FFA2A1C4FBB9671FC69E" box="[192,369,1129,1154]" italics="true" pageId="25" pageNumber="1100">Thoracopod VIII</emphasis>
(
<figureCitation id="01A35586E971FFA2A081FBB96799C69E" box="[389,503,1129,1154]" captionStart="Figure 19" captionStartId="27.[160,225,1458,1481]" captionTargetBox="[163,1152,142,1425]" captionTargetId="figure-34@27.[163,1153,142,1426]" captionTargetPageId="27" captionText="Figure 19. Mekongbathynella jayavarthoni sp. n. (Holotype: ♀; allotype: ♂). (a), thoracopod VII ♂ (frontal); (b), thoracopod VIII ♀ (ventral); (c), thoracopod VIII ♀ (lateral); (d), thoracopod VIII ♂ (inner lateral); (e), right and left thoracopods VIII ♂ (ventral). Scale bars = 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.5465876" httpUri="https://zenodo.org/record/5465876/files/figure.png" pageId="25" pageNumber="1100">Figure 19</figureCitation>
(b, c)) massive in relation to body size, as long as 8th thoracomer, 1.3 times longer than wide in lateral view. Protopod dominating anterior part, massive and globular in lateral view, not exceeding height of exopod in lateral view, with dentate lobe carrying 11
<emphasis id="ABEC9511E971FFA2A0ECFB01679BC6F6" box="[488,501,1233,1258]" italics="true" pageId="25" pageNumber="1100">–</emphasis>
12 dentils. Epipod flat and round. Basipod inserting behind penial lobe, having almost same size of protopod in lateral view, main axis parallel to that of 8th thoracomere, without setae, disto-middle part of inner margin of basipod with one spiculated lobe. Exopod as large as half size of basipod, semicircular in general form, inserted widely along the basipod; distal margin with one smooth lobe, one lobe carrying three distal setae and one medial seta and one group of three teeth being serrated distally. Endopod pointing backwards, having one fifth of the basipod length, with two terminal setae.
</paragraph>
</subSubSection>
</treatment>
</document>
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