treatments-xml/data/FA/EC/63/FAEC63735F055457B39940AAEDB21B44.xml

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<document ID-CLB-Dataset="55727" ID-DOI="http://dx.doi.org/10.3897/zookeys.1099.82949" ID-GBIF-Dataset="ed50d5be-2d9e-460a-8d1b-8bbc38a6e116" ID-PMC="PMC9848770" ID-Pensoft-Pub="1313-2970-1099-139" ID-Pensoft-UUID="2549DF660FE051908B47E14858018077" ID-PubMed="36761437" ID-ZooBank="7F832E2C76D94CC9BD400E074B0D37BB" ModsDocID="1313-2970-1099-139" checkinTime="1651704564666" checkinUser="pensoft" docAuthor="Wongkamhaeng, Koraon, Dumrongrojwattana, Pongrat, Sumitrakij, Ratchaneewarn &amp; Keetapithchayakul, Tosaphol Saetung" docDate="2022" docId="FAEC63735F055457B39940AAEDB21B44" docLanguage="en" docName="ZooKeys 1099: 139-153" docOrigin="ZooKeys 1099" docPubDate="2022-05-04" docSource="http://dx.doi.org/10.3897/zookeys.1099.82949" docTitle="Thailandorchestia Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul 2022, gen. nov." docType="treatment" docUuid="9DDD49ED-997C-430E-B06A-2586B8DB34EE" docUuidSource="ZooBank" docVersion="6" id="2549DF660FE051908B47E14858018077" lastPageNumber="139" masterDocId="2549DF660FE051908B47E14858018077" masterDocTitle="Thailandorchestia rhizophila sp. nov., a new genus and species of driftwood hopper (Crustacea, Amphipoda, Protorchestiidae) from Thailand" masterLastPageNumber="153" masterPageNumber="139" pageNumber="139" updateTime="1732840684668" updateUser="ExternalLinkService">
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<mods:title id="2FA3ECBD8816ED5D92BF4D438EFFBAC6">Thailandorchestia rhizophila sp. nov., a new genus and species of driftwood hopper (Crustacea, Amphipoda, Protorchestiidae) from Thailand</mods:title>
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<mods:namePart id="E47CEBFC61B993DB2560192A177E34D8">Wongkamhaeng, Koraon</mods:namePart>
<mods:nameIdentifier id="FA5995225F41EEC4F15D4B8B5CCF3F1E" type="ORCID">https://orcid.org/0000-0001-7671-8869</mods:nameIdentifier>
<mods:affiliation id="B379E964F74FE28626C6BA1BC9F32E78">Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand</mods:affiliation>
<mods:nameIdentifier id="A90C68934739B934B8C1E72C3568B93E" type="email">koraon@gmail.com</mods:nameIdentifier>
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<mods:namePart id="1E14061FBF8B1B3B8911981830E3130B">Dumrongrojwattana, Pongrat</mods:namePart>
<mods:nameIdentifier id="174C54CCF6C79CDE815B5B3EB8152056" type="ORCID">https://orcid.org/0000-0002-2544-6979</mods:nameIdentifier>
<mods:affiliation id="CDF3AC08D8E04D0FA28496005E9124EB">Department of Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi, 20130, Thailand</mods:affiliation>
</mods:name>
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<mods:namePart id="E5C7C269FA2C304DC9A71B718FF77609">Sumitrakij, Ratchaneewarn</mods:namePart>
<mods:affiliation id="588A8A92FF71E8DE1134F03B4C519A5E">National science museum, Khlong Ha, Khlong Luang District, Pathum Thani, 12120, Thailand</mods:affiliation>
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<mods:namePart id="84765F3903545A28B408D4D993BF973A">Keetapithchayakul, Tosaphol Saetung</mods:namePart>
<mods:nameIdentifier id="65E92884A46B063B8F26CFBB014C3F52" type="ORCID">https://orcid.org/0000-0001-7565-4701</mods:nameIdentifier>
<mods:affiliation id="E635C0DB28F5D9D93D47EC4756537768">Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand</mods:affiliation>
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<mods:date id="A34B1011F49D23D20D957B84BD5D529A">2022</mods:date>
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<treatment id="FAEC63735F055457B39940AAEDB21B44" ID-GBIF-Taxon="195191689" LSID="urn:lsid:zoobank.org:act:9DDD49ED-997C-430E-B06A-2586B8DB34EE" httpUri="http://treatment.plazi.org/id/FAEC63735F055457B39940AAEDB21B44" lastPageNumber="139" pageId="0" pageNumber="139" scope_order="Amphipoda">
<subSubSection id="D62007C216EAE990665B39D2855C1A63" pageId="0" pageNumber="139" type="nomenclature">
<paragraph id="D6D6291F7F1D13B862FEC480EA7BD449" pageId="0" pageNumber="139">
Genus
<taxonomicName id="2A29E52AACCEBFC21933EA520F8ABFB9" ID-CoL="9BWR9" LSID="http://zoobank.org/9DDD49ED-997C-430E-B06A-2586B8DB34EE" authority="Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul, 2022" authorityName="Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul" authorityYear="2022" class="Malacostraca" family="Protorchestiidae" genus="Thailandorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thailandorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus" status="gen. nov.">Thailandorchestia</taxonomicName>
<taxonomicNameLabel id="C86DA4040CF0B6881A18CD7AFAE7355D" pageId="0" pageNumber="139">gen. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="2FDA90B8C5FD732E40E5FDDAD339D8A4" pageId="0" pageNumber="139" type="type species">
<paragraph id="81711F0CD2AC72568AEBB3C583796EF3" pageId="0" pageNumber="139">Type species.</paragraph>
<paragraph id="C019E29E5A8AD0A2295F3DC337FB0664" pageId="0" pageNumber="139">
<taxonomicName id="246A8D4C1B90178D94BE4C065A2143F3" authorityName="Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul" authorityYear="2022" class="Malacostraca" family="Protorchestiidae" genus="Thailandorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thailandorchestia rhizophila" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="species" species="rhizophila">
<emphasis id="030613A03B3B88811338698DC7B48D31" italics="true" pageId="0" pageNumber="139">Thailandorchestia rhizophila</emphasis>
</taxonomicName>
sp. nov., here designated.
</paragraph>
</subSubSection>
<subSubSection id="AFE318F5FDF7A6F7150D292E1FD828F6" pageId="0" pageNumber="139" type="diagnosis">
<paragraph id="F871F9C2D4781E4686C959943DEE8030" pageId="0" pageNumber="139">Diagnosis.</paragraph>
<paragraph id="CCFBD8B31F24BFBF9B29E6FE6711225B" pageId="0" pageNumber="139">
<taxonomicName id="5239C923695BDE9238B1648C62329D2B" authorityName="Myers &amp; Lowry" authorityYear="2020" class="Malacostraca" family="Protorchestiidae" kingdom="Animalia" lsidName="" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="family">Protorchestiidae</taxonomicName>
with
<emphasis id="02007DF3A18390C85EDD16BA89809966" bold="true" italics="true" pageId="0" pageNumber="139">maxilliped</emphasis>
palp article 2 distomedial lobe absent.
<emphasis id="18D4993FEE376AD2C512FB454B7C9172" bold="true" italics="true" pageId="0" pageNumber="139">Mandible</emphasis>
left lacinia mobilis 4-dentate.
<emphasis id="560435DAABFCEC0602C061A6EABE7B52" bold="true" italics="true" pageId="0" pageNumber="139">Gnathopod 2</emphasis>
coxal gill simple.
<emphasis id="97074CA14076AA252BD934DA55E44F0A" bold="true" italics="true" pageId="0" pageNumber="139">Pereopod 4</emphasis>
carpus significantly shorter than carpus of pereopod 3.
<emphasis id="5A03D9C59EEE90F4A9803FD5C68BA809" bold="true" italics="true" pageId="0" pageNumber="139">Pereopods 6-7</emphasis>
sexually dimorphic (male merus and carpus incrassate).
<emphasis id="1FDA2C2248928581D78AB83C634CE080" bold="true" italics="true" pageId="0" pageNumber="139">Pereopod 7</emphasis>
posterodistal lobe absent.
<emphasis id="BAD7E7891D709E0B43D0286289A3E797" bold="true" italics="true" pageId="0" pageNumber="139">Uropod 1</emphasis>
peduncle distolateral robust setae present, very large (1/3-1/2 length of outer ramus); inner ramus linear, not modified; outer ramus with marginal robust setae.
<emphasis id="D6E5831D93145F85AC5C1184A4CB5388" bold="true" italics="true" pageId="0" pageNumber="139">Uropod 2</emphasis>
outer ramus without marginal robust setae.
<emphasis id="48644CB025F0B1CD1961DF55B69170A0" bold="true" italics="true" pageId="0" pageNumber="139">Uropod 3</emphasis>
peduncle with 2 robust setae; ramus shorter than peduncle, linear (narrowing).
<emphasis id="EE893A1D1A617B76B01105C1F7174E20" bold="true" italics="true" pageId="0" pageNumber="139">Telson</emphasis>
apically incised, with 2 robust setae per lobe.
</paragraph>
</subSubSection>
<subSubSection id="365611B0E27D16451B3B61FB30900A05" pageId="0" pageNumber="139" type="etymology">
<paragraph id="BC31B8FC134D994729AAD10CF8852565" pageId="0" pageNumber="139">Etymology.</paragraph>
<paragraph id="8B29B28DBD840D44A6CD37CFBBEDDCB3" pageId="0" pageNumber="139">
The generic name,
<taxonomicName id="41D9861B6610D5886B186434437CA585" authorityName="Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul" authorityYear="2022" class="Malacostraca" family="Protorchestiidae" genus="Thailandorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thailandorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="CF0A9B7CF7330B4B50F85BFD95CD0729" italics="true" pageId="0" pageNumber="139">Thailandorchestia</emphasis>
</taxonomicName>
gen. nov., is derived from
<normalizedToken id="03237495EE8B9FA4D23B61FBA9F53883" originalValue="“Thailand”">&quot;Thailand&quot;</normalizedToken>
in combination with the
<taxonomicName id="442B9DB35AB006EC84D4C795E8CC9845" authorityName="Leach" authorityYear="1814" class="Malacostraca" family="Talitridae" genus="Orchestia" kingdom="Animalia" lsidName="Orchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="CB686371E3F6728D24F69E27B080F93D" italics="true" pageId="0" pageNumber="139">Orchestia</emphasis>
</taxonomicName>
stem.
</paragraph>
</subSubSection>
<subSubSection id="936810611C49974524CDDA2D920D28EE" pageId="0" pageNumber="139" type="type locality">
<paragraph id="755FB711CE6B149A960749B140DB4B66" pageId="0" pageNumber="139">Type locality.</paragraph>
<paragraph id="84E2BBA2502B7627F30166DA3F839C9D" pageId="0" pageNumber="139">
Mangrove forest near Ban Ao Prao Beach (
<geoCoordinate id="9527B7C7C9CC699642FF9F114A024974" degrees="11" direction="north" minutes="35" orientation="latitude" precision="1" seconds="40.2" value="11.5945">11°35'40.2&quot;N</geoCoordinate>
,
<geoCoordinate id="6047C636E795F56C84564DA18094E454" degrees="102" direction="east" minutes="33" orientation="longitude" precision="1" seconds="52.6" value="102.56461">102°33'52.6&quot;E</geoCoordinate>
), Trat Province, Thailand.
</paragraph>
</subSubSection>
<subSubSection id="35AD488DBE9D90686FFA498EDCAF65D2" pageId="0" pageNumber="139" type="ecological type">
<paragraph id="C8D7A9AD149A7368B86FFD96D854A1AE" pageId="0" pageNumber="139">Ecological type.</paragraph>
<paragraph id="31072F2325F86C5B512BA86BAC403D2F" pageId="0" pageNumber="139">Driftwood hoppers (virtually confined to rotting driftwood where they live in galleries, consuming rotting driftwood and reproducing with relatively small broods).</paragraph>
</subSubSection>
<subSubSection id="AC3F02417177044F40C545777BC0645D" pageId="0" pageNumber="139" type="remarks">
<paragraph id="9921F1B584407E1EE20355EAAB473834" pageId="0" pageNumber="139">Remarks.</paragraph>
<paragraph id="F687A933D008D9A30E6C1811AEEFA386" pageId="0" pageNumber="139">
The new genus clearly belongs to
<taxonomicName id="43F03CCE44F65E00064A5BD667E1405C" authorityName="Myers &amp; Lowry" authorityYear="2020" class="Malacostraca" family="Protorchestiidae" kingdom="Animalia" lsidName="" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="family">Protorchestiidae</taxonomicName>
due to the presence of: 1) maxilliped palp article 2 without distomedial lobe; 2) article 4 small, distinct; 3) gnathopod 2 subchelate; 4) pereopods 3-7 simplidactylate; 5) pereopod 4 dactylus basidactylate; and 6) telson with apical robust setae only or with apical and marginal robust setae, with 1-6 robust setae per lobe.
</paragraph>
<paragraph id="F91A149EC825B216DADD67FE104ECB9E" pageId="0" pageNumber="139">
The new genus is closely related to
<taxonomicName id="3DF078EDF794DBEC31B813AEBF83F74F" authorityName="Bousfield" authorityYear="1984" class="Malacostraca" family="Protorchestiidae" genus="Microrchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microrchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="BC4A35ECF3D039B0C3DF4C4393CD3C76" italics="true" pageId="0" pageNumber="139">Microrchestia</emphasis>
</taxonomicName>
in having: 1) left mandible larcinia mobilis 4-dentate; 2) carpus of pereopod 3 subequal to those of pereopod 4; and 3) pereopods 6 and 7 sexually dimorphic. However, the current genus differs from
<taxonomicName id="A658C42E5170B3A5892BAD0434924040" authorityName="Bousfield" authorityYear="1984" class="Malacostraca" family="Protorchestiidae" genus="Microrchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microrchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="5C862894DF39BB5E66523EF34C2F6671" italics="true" pageId="0" pageNumber="139">Microrchestia</emphasis>
</taxonomicName>
from Australia by having: 1) maxilliped palp article 2 distomedial lobe absent (vs. well developed); 2) pereopod 7 posterodistal lobe absent (vs. present), and 3) U1 outer ramus with marginal robust setae (vs. without marginal robust setae) (Table
<tableCitation id="6B935AFFA3BA2C49EB0D2929361C06F2" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of diagnostic characteristics in different protorchestiid genera." httpUri="http://table.plazi.org/id/75875F13CA8F4454E30D88B461D1C7FF" pageId="0" pageNumber="139" tableUuid="75875F13CA8F4454E30D88B461D1C7FF">1</tableCitation>
).
</paragraph>
<caption id="75875F13CA8F4454E30D88B461D1C7FF" ID-Table-UUID="75875F13CA8F4454E30D88B461D1C7FF" httpUri="http://table.plazi.org/id/75875F13CA8F4454E30D88B461D1C7FF" pageId="0" pageNumber="139" start="Table 1" startId="T1">
<paragraph id="96E819E042E97F211295ABEDD6720CCA" pageId="0" pageNumber="139">
<emphasis id="DD4D20D3EE80B04BC08B8D59B970FA5C" bold="true" pageId="0" pageNumber="139">Table 1.</emphasis>
Comparison of diagnostic characteristics in different protorchestiid genera.
</paragraph>
</caption>
<paragraph id="4D80B3561558D5EEB55FB8BBAB1269A1" pageId="0" pageNumber="139">
<table id="4E4F713CC8ADDA6E1BE27EA043E43C61" pageId="0" pageNumber="139">
<tr id="5784FE2664E1498B628CE3F84C20D51E" pageId="0" pageNumber="139">
<th id="6D9738FAE36C239B78A9BC2125A3D97B" colspan="1" pageId="0" pageNumber="139" rowspan="1">Genus</th>
<th id="864F1C3F66924CF86D1322E189C4416C" colspan="1" pageId="0" pageNumber="139" rowspan="1">MP palp article 2 distomedial lobe</th>
<th id="35EFF0164C8925CA9F6EF202D82E605F" colspan="1" pageId="0" pageNumber="139" rowspan="1">LMD lacinia mobilis</th>
<th id="187F9DE9FC1A6A329948C3BE81F14ABC" colspan="1" pageId="0" pageNumber="139" rowspan="1">G1 sexual dimorphism</th>
<th id="1939253ED83027A780B44ED854587581" colspan="1" pageId="0" pageNumber="139" rowspan="1">Carpi of P4:P3</th>
<th id="2FFF56D304C32CD7F53D6F351DEAA482" colspan="1" pageId="0" pageNumber="139" rowspan="1">P6-7 sexual dimorphism</th>
<th id="4DD7346B9FA724DE65D66E70AED66230" colspan="1" pageId="0" pageNumber="139" rowspan="1">P7 postero- distal lobe</th>
<th id="96A1F00C170A24C3679B4050712AF601" colspan="1" pageId="0" pageNumber="139" rowspan="1">U1 outer ramus</th>
<th id="D38A6989F6AB9086F6814F27387A90E9" colspan="1" pageId="0" pageNumber="139" rowspan="1">U2 outer ramus marginal setae</th>
<th id="3EF135A6DC15E34BD249246773F1317B" colspan="1" pageId="0" pageNumber="139" rowspan="1">U3 robust setae on peduncle</th>
<th id="67B3AE344162144D5B5DB212A0E09397" colspan="1" pageId="0" pageNumber="139" rowspan="1">U3 ramus</th>
<th id="EF2746D8755E08AA6C6241C4B74759CA" colspan="1" pageId="0" pageNumber="139" rowspan="1">Number of setae per telsonic lobe</th>
</tr>
<tr id="522E668066FEC051AE9D166D4CFF80BC" pageId="0" pageNumber="139">
<td id="C329519FE190B27FD08C9E1957661754" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="729FC2EB959BDC817C947DADB1AABD6C" authorityName="Lowry, Springthorpe &amp; Myers" authorityYear="2020" class="Liliopsida" family="Arecaceae" genus="Carpentaria" kingdom="Plantae" lsidName="Carpentaria" order="Arecales" pageId="0" pageNumber="139" phylum="Tracheophyta" rank="genus">
<emphasis id="57BC45BC76141C9ED74CA947C6BE2876" italics="true" pageId="0" pageNumber="139">Carpentaria</emphasis>
</taxonomicName>
</td>
<td id="881E144ABEF98448BF683455A2E9A110" colspan="1" pageId="0" pageNumber="139" rowspan="1">well developed</td>
<td id="951E1F386DFBBA1E7D60C7DDB74DF5D1" colspan="1" pageId="0" pageNumber="139" rowspan="1">4-dentate</td>
<td id="F664A01FE428A14A525F612F5342E212" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent, palm obtuse</td>
<td id="1ED08B841BE2EB3C5AEB8FD0E7D8DBB1" colspan="1" pageId="0" pageNumber="139" rowspan="1">subequal</td>
<td id="B8AC254FD85B41EB1ADCCE1FD460079B" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="A3368481B2098AE3C0AB9BEDB740DDF7" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="6B14E38337585EBCD13D6C131734111E" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear without marginal setae</td>
<td id="3D161FEAAEC6BE437932C51178ACD2B9" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="081478E1DE9334DB8A252509FE1DDCA8" colspan="1" pageId="0" pageNumber="139" rowspan="1">1-4</td>
<td id="9FCB8FBBBDA945C7DB6631A9E587F5A1" colspan="1" pageId="0" pageNumber="139" rowspan="1">bud-like</td>
<td id="380FEA4D187438785F147CD890890391" colspan="1" pageId="0" pageNumber="139" rowspan="1">3-6</td>
</tr>
<tr id="7CB4BB1003BF160ABDA9AF3747B42039" pageId="0" pageNumber="139">
<td id="DFF37F326ED8F07DB35739C295078E9A" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="DBEF59C859C44C58D24C8DC316D12266" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="76461710458D5A71BBD0C82BE4BCE215" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
</td>
<td id="133EF4E53F4844ECE3F679A99BC58560" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="37EF595FAB78BA556606574E818BF046" colspan="1" pageId="0" pageNumber="139" rowspan="1">4-dentate</td>
<td id="5202F04A799BD9A774EA62F20FD49FF9" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent, palm transverse</td>
<td id="07D384841783B0F5265B56F7EC9AD5E9" colspan="1" pageId="0" pageNumber="139" rowspan="1">longer</td>
<td id="9639D47D586CBAB70E8D1563AAE85859" colspan="1" pageId="0" pageNumber="139" rowspan="1">unknown</td>
<td id="1922EBEC1F034AB34ADF6679D61D64FA" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="BCC1B722526031699CA9A9715639EA66" colspan="1" pageId="0" pageNumber="139" rowspan="1">spoon-shape with marginal setae</td>
<td id="EAA0B708DEF7C35D253A9B56B4E687EA" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="BB74E8D5DBCA17A69D50086556189D38" colspan="1" pageId="0" pageNumber="139" rowspan="1">1</td>
<td id="93916914EB6C7F9D13C2B4746A8185E9" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="D551158F9797EF99581807473D30F6ED" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
</tr>
<tr id="01CE761DB5624F0E374011C68111564D" pageId="0" pageNumber="139">
<td id="75C3808BD7696C7999AD518D6E38CFE2" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="9FF544AD9FEDFD6FB0AF9C8CB11BE652" authorityName="Bousfield" authorityYear="1984" class="Malacostraca" family="Protorchestiidae" genus="Eorchestia" kingdom="Animalia" lsidName="Eorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="2D75600272609FF66385303DD218DBDF" italics="true" pageId="0" pageNumber="139">Eorchestia</emphasis>
</taxonomicName>
</td>
<td id="1F3BC275A65E2BADA8ECDCB1A094D354" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="65CF055953C232790C44C2D545FD2DDE" colspan="1" pageId="0" pageNumber="139" rowspan="1">4-dentate</td>
<td id="E58FA46BFC40DC9E01EB757AF53C8241" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent, palm transverse</td>
<td id="992AF3355A17067A608D0CFCE759F12E" colspan="1" pageId="0" pageNumber="139" rowspan="1">longer</td>
<td id="452723175E53C93F5DC79D33F30C8B81" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="459F24ED427513B23A3B6A12BC6FB542" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="F215717A5BACBB99E5686D7C7E5813B0" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear without marginal setae</td>
<td id="BEE4238CA49C59137E441665690FE9AB" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="F9067B0DCA1463685F03598E9D391037" colspan="1" pageId="0" pageNumber="139" rowspan="1">3</td>
<td id="161DD474062BB50A13A02477FD3D0AE2" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="180D5C413C90D2D533FC03466A6A123D" colspan="1" pageId="0" pageNumber="139" rowspan="1">1-2</td>
</tr>
<tr id="708F4A829A2410B79BB452CD86AC50CD" pageId="0" pageNumber="139">
<td id="26843E84711AF465E30DA7F0BE9DF902" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="790680CEEA9C8B069BCF9DE015442C98" authorityName="Bousfield" authorityYear="1984" class="Malacostraca" family="Protorchestiidae" genus="Microrchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microrchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="BBF567342A2804C34D802DFF332D4D2F" italics="true" pageId="0" pageNumber="139">Microrchestia</emphasis>
</taxonomicName>
</td>
<td id="6E7555A82C108D38008F9BC371C94209" colspan="1" pageId="0" pageNumber="139" rowspan="1">well developed</td>
<td id="378122BBD9117EF935930DF47A6AFF5C" colspan="1" pageId="0" pageNumber="139" rowspan="1">4-dentate</td>
<td id="93163FC749DCEC694B78C2BE4A4029DB" colspan="1" pageId="0" pageNumber="139" rowspan="1">present, palm transverse</td>
<td id="660F0C555B13AAD6669C4491D8821E27" colspan="1" pageId="0" pageNumber="139" rowspan="1">longer</td>
<td id="06CA1618C66119675411A447BC8949F6" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="CA01348A65B5E7AAB11EF5BEEBEB217B" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="134E7860EEBCD7003213BCCE92E623F5" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear without marginal setae</td>
<td id="24F3DDE54F89EC0C4190F6B376C336CC" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="1F94DD572CC02BC07A8C1C1FDD0B68D4" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
<td id="3FD968CF00D52DB2B0C4F0B5A5DB01A0" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="6D37A349031B83D6545E348E22989B06" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
</tr>
<tr id="9A5CA0DC4CB535C3FEE9550035CDE533" pageId="0" pageNumber="139">
<td id="4CF5CC3EA8B6541BE10809E5740F9FF0" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="B74C4EA0784BCF41B6D13918DF3AE1C4" authorityName="Friend" authorityYear="1987" class="Malacostraca" family="Protorchestiidae" genus="Neorchestia" kingdom="Animalia" lsidName="Neorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="DFC5220F1BF2F6D1996764F7510A4604" italics="true" pageId="0" pageNumber="139">Neorchestia</emphasis>
</taxonomicName>
</td>
<td id="761F236EA9267E1E693691BA0C08E2C2" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="7F1811DDF91154A922006533A350B028" colspan="1" pageId="0" pageNumber="139" rowspan="1">5-dentate</td>
<td id="4C767AE60623CC255CBB3A3A06DD62DC" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent, palm transverse</td>
<td id="B8121E63A262967ADD360271E43A3921" colspan="1" pageId="0" pageNumber="139" rowspan="1">longer</td>
<td id="C94DC0C397DBD8FA630897DD7D5178C5" colspan="1" pageId="0" pageNumber="139" rowspan="1">unknown</td>
<td id="3AF4328CE78A22C6267853845EF918F5" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="B28058EE77062032DC5A7384F26C3F55" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear without marginal setae</td>
<td id="F831AA438A05A450CDF3C0B8CD523BC2" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="34BD3DC43C11C8315B4C1434AF4EF861" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
<td id="568581DFADD28D99EF8255384F3325DD" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="4598E8D2C0EAA92D07F2485D7550C5EF" colspan="1" pageId="0" pageNumber="139" rowspan="1">1</td>
</tr>
<tr id="7AEF5F900C39D6537059111A6372189C" pageId="0" pageNumber="139">
<td id="E4A92F1A29FD5D573F4796EA36985ACB" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="28C4F9E16B68EB292BEE11135A1E4388" authorityName="Bousfield" authorityYear="1982" class="Malacostraca" family="Protorchestiidae" genus="Protorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Protorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="BE3AFCBCA042427F6F7717AEC1723701" italics="true" pageId="0" pageNumber="139">Protorchestia</emphasis>
</taxonomicName>
</td>
<td id="464204F9BF5EDAD4554D7DF6502BA8E2" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="AFFE5BDCE4E1C8C1F42C661EFBDD0E4E" colspan="1" pageId="0" pageNumber="139" rowspan="1">5-dentate</td>
<td id="FB5F0B94C2C3C7D361F3D8ED7C42AC7F" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent, palm transverse</td>
<td id="771759A5F061033A189F0554FA57920B" colspan="1" pageId="0" pageNumber="139" rowspan="1">subequal</td>
<td id="0FAC0C9A2CFCBFA68A5C5BB2B98CC11B" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="0875118064328397CDD1107030B9AFA5" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="D3928F8157EFFEAC78FF8D3EFEA69F12" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear without marginal setae</td>
<td id="6C57609C80CC6D4C8BD404F211C0DAA6" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="CCF212AB0D3BDC2294B80E6FE5F3B657" colspan="1" pageId="0" pageNumber="139" rowspan="1">3</td>
<td id="B5340824E6FBDD286AC7A30E6ECFF9F7" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="FDCC0C494DA1F64DF2811D751F5B3EC3" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
</tr>
<tr id="2054B2C2E4484FEF6311DDD8844AA7CC" pageId="0" pageNumber="139">
<td id="720626BF07A3EFB86B820901107947D0" colspan="1" pageId="0" pageNumber="139" rowspan="1">
<taxonomicName id="013FA18EF2554EAC94720C34284968B9" authorityName="Wongkamhaeng &amp; Dumrongrojwattana &amp; Sumitrakij &amp; Keetapithchayakul" authorityYear="2022" class="Malacostraca" family="Protorchestiidae" genus="Thailandorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thailandorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="CBFBA22AE10E1A90687E6FB40EDD796B" italics="true" pageId="0" pageNumber="139">Thailandorchestia</emphasis>
</taxonomicName>
gen. nov.
</td>
<td id="71BAFFC101664FB493524C58AB3EF1F4" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="C6F07A96691558DC194A67431DF7F27D" colspan="1" pageId="0" pageNumber="139" rowspan="1">4-dentate</td>
<td id="695A6CE22758BC5B1071F15BFCD3C121" colspan="1" pageId="0" pageNumber="139" rowspan="1">present, palm transverse</td>
<td id="1155982365E3744C84AF0DFD7E647479" colspan="1" pageId="0" pageNumber="139" rowspan="1">longer</td>
<td id="D9B681685AF016FEBFD2920CAB91184A" colspan="1" pageId="0" pageNumber="139" rowspan="1">present</td>
<td id="65D666B7DD5D3311FF40449444FA2624" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="D43F4FBA14D5ACCB3FDB6D1FC4841994" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear with marginal setae</td>
<td id="F572B4AA0B0CFDD15531A7E146C49335" colspan="1" pageId="0" pageNumber="139" rowspan="1">absent</td>
<td id="F378E2A5BA6B5EDF4A5B27F33323C851" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
<td id="B44D38DEB59D912EBC118847ACEE4EEF" colspan="1" pageId="0" pageNumber="139" rowspan="1">linear</td>
<td id="C6439662AADA338E74E70C1B32B7B073" colspan="1" pageId="0" pageNumber="139" rowspan="1">2</td>
</tr>
</table>
</paragraph>
<paragraph id="92EFD45ED4EE4D7F15B3B7FC54BB8F27" pageId="0" pageNumber="139">
Only one protochestiid amphipod had been previously reported from Thailand.
<bibRefCitation id="EA48F519E34E00C4FD89FCB016279566" author="Bussarawich, S" journalOrPublisher=") Fifth Seminar on Mangrove Ecosystems, Phuket, Thailand" pageId="0" pageNumber="139" refId="B4" refString="Bussarawich, S, 1985. Amphipod Mangroves Thailand. In: NRCT (Ed.) Fifth Seminar on Mangrove Ecosystems, Phuket, Thailand" title="Amphipod Mangroves Thailand. In: NRCT (Ed." year="1985">Bussarawich (1985)</bibRefCitation>
studied the diversity of amphipods in the mangrove forest and reported
<taxonomicName id="C263FFEC6F68C09860C09C61EB44C94E" genus="Microchestia" lsidName="Microchestia" pageId="0" pageNumber="139" rank="genus">
<emphasis id="B506C40E01C1202AF5E2C59A6076D72D" italics="true" pageId="0" pageNumber="139">Microchestia</emphasis>
</taxonomicName>
sp., a member of the family
<taxonomicName id="F6360D841AE460FAB5D95D48BE810DA5" authorityName="Myers &amp; Lowry" authorityYear="2020" class="Malacostraca" family="Protorchestiidae" kingdom="Animalia" lsidName="" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="family">Protorchestiidae</taxonomicName>
. Later,
<bibRefCitation id="27C0A72319771F840E9B738B84271E44" DOI="https://doi.org/10.11646/zootaxa.3985.2.1" author="Lowry, JK" journalOrPublisher="Zootaxa" pageId="0" pageNumber="139" pagination="151 - 202" refId="B9" refString="Lowry, JK, Springthorpe, RT, 2015. Coastal Talitridae (Amphipoda: Talitroidea) from north-western Australia to Darwin with a revision of the genus Cochinorchestia Lowry &amp; Peart, 2010. Zootaxa 3985 (2): 151 - 202, DOI: https://doi.org/10.11646/zootaxa.3985.2.1" title="Coastal Talitridae (Amphipoda: Talitroidea) from north-western Australia to Darwin with a revision of the genus Cochinorchestia Lowry &amp; Peart, 2010." url="https://doi.org/10.11646/zootaxa.3985.2.1" volume="3985" year="2015">Lowry and Springthorpe (2015)</bibRefCitation>
revised the genus
<taxonomicName id="8C130D3999D9C2775743E3B3EBF147C8" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="635925A9AC2DBE4E0CD0272EEF9FAFA4" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
Lowry &amp; Peart, 2010. Although the
<taxonomicName id="2FE1FDEBD268E013DD9A2A0A74CB0AD0" authorityName="Bousfield" authorityYear="1984" class="Malacostraca" family="Protorchestiidae" genus="Microrchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microrchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="54184C7E79073FD273D725D2A42BAA64" italics="true" pageId="0" pageNumber="139">Microrchestia</emphasis>
</taxonomicName>
sp. from Thailand was also mentioned as a
<taxonomicName id="8B4381122C21462B15142E18BE954D12" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="918B6E147A7A92DBE37357F98C81CC6B" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
sp. based on the illustration of the previous publication, some details such as the maxilliped and gnathopods 1 and 2 remain unclear. The specimens from the report of
<bibRefCitation id="9B7D2656159AA3E11F3E39010E490A14" author="Bussarawich, S" journalOrPublisher=") Fifth Seminar on Mangrove Ecosystems, Phuket, Thailand" pageId="0" pageNumber="139" refId="B4" refString="Bussarawich, S, 1985. Amphipod Mangroves Thailand. In: NRCT (Ed.) Fifth Seminar on Mangrove Ecosystems, Phuket, Thailand" title="Amphipod Mangroves Thailand. In: NRCT (Ed." year="1985">Bussarawich (1985)</bibRefCitation>
presumed lost, which makes the
<taxonomicName id="23A93281A0EA66A4404B0704EBCEC665" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="44A9E2DE473A6AD7C999E8F7221B12D6" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
sp. in this report still tentative.
</paragraph>
<paragraph id="243AE440F87172C87B8ACDB2076CC5C6" pageId="0" pageNumber="139">
The new genus is similar to
<taxonomicName id="77BF17F0E4A707FD5BEB35095F098C8D" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="B8908195663DFD7BF618118DEFE714E7" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
from China in having: 1) left mandible larcinia mobilis 4-dentate; 2) carpus of pereopod 3 longer than that of pereopod 4; and 3) uropod 1 outer ramus with marginal setae. However, the current genus differs from
<taxonomicName id="DE26A705B74465C787B2D9D49FCAC422" authorityName="Lowry &amp; Peart" authorityYear="2010" class="Malacostraca" family="Protorchestiidae" genus="Cochinorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cochinorchestia" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="genus">
<emphasis id="D839CC5E2CCC476B6A9A47F1196C7531" italics="true" pageId="0" pageNumber="139">Cochinorchestia</emphasis>
</taxonomicName>
in having: 1) pereopod 7 without a posterodistal lobe (vs. pereopod 7 with a posterodistal lobe); 2) uropod 1 outer ramus linear (vs. spoon-shaped) and uropod 3 peduncle with 2 robust setae (vs. with 3 robust setae); and 3) uropod 2 outer ramus without robust setae (vs. with marginal robust setae in 1 row).
</paragraph>
<paragraph id="C85BFF9F7AF879AC1A32EFF551F4947C" pageId="0" pageNumber="139">
The new genus is identifiable using the following key to genera of
<taxonomicName id="DAB68F8E1A46615CF8CC70012AC2956F" authorityName="Myers &amp; Lowry" authorityYear="2020" class="Malacostraca" family="Protorchestiidae" kingdom="Animalia" lsidName="" order="Amphipoda" pageId="0" pageNumber="139" phylum="Arthropoda" rank="family">Protorchestiidae</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>