391 lines
61 KiB
XML
391 lines
61 KiB
XML
<document id="9354F44B8C6F90BCAD7DE8C4D93C07EB" ID-DOI="10.26107/RBZ-2022-0032" ID-ISSN="2345-7600" ID-Zenodo-Dep="13256881" ID-ZooBank="EEB11131-3D0E-49BB-B630-44DF04B9A23E" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1723049961894" checkinUser="felipe" docAuthor="Tan, Zhi Wan, , Jose Christopher E. Mendoza, Yeo, & Darren C. J." docDate="2022" docId="03CE8781D1285A6B8C5654C590994FC9" docLanguage="en" docName="RafflesBZool.70.572-579.pdf" docOrigin="Raffles Bulletin of Zoology 70" docStyle="DocumentStyle:AF09A0581917EACD12E7F0991C3E7C26.5:RafflesBZool.2019-.journal_article" docStyleId="AF09A0581917EACD12E7F0991C3E7C26" docStyleName="RafflesBZool.2019-.journal_article" docStyleVersion="5" docTitle="Setosamon sakon Tan, , Yeo & J., 2022, new species" docType="treatment" docUuid="CA5FDC88-10BA-40D1-8675-D90690DF032A" docUuidSource="ZooBank" docVersion="3" lastPageNumber="578" masterDocId="FFF7FFF9D1295A6D8D4A515F926A491C" masterDocTitle="Description of a new species of Setosamon Yeo & Ng, 2007 (Decapoda: Brachyura: Potamidae) from Sakon Nakhon Province, northeastern Thailand" masterLastPageNumber="579" masterPageNumber="572" pageNumber="573" updateTime="1723053933829" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="E50C959A0BEECD19E7BC90EAAD93B668">
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<mods:title id="7B7A57B3B31A10204C50F32B321DF775">Description of a new species of Setosamon Yeo & Ng, 2007 (Decapoda: Brachyura: Potamidae) from Sakon Nakhon Province, northeastern Thailand</mods:title>
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<mods:name id="2481731F2B589DD694C3A0134379B2E4" type="personal">
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<mods:role id="A6DBF5F69E1BFCF51BE1105468445BCC">
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<mods:roleTerm id="28996E73A1E752BD2C02D6A98886AB7B">Author</mods:roleTerm>
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<mods:namePart id="C72FE7BFCA27DEB6958ECCCD6608DC9A">Tan, Zhi Wan</mods:namePart>
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<mods:roleTerm id="8C28C87667565A2D883057151652A1E3">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="7A1C4C0172ECA8F5DE139D16153E4B02">, Jose Christopher E. Mendoza</mods:namePart>
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</mods:name>
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<mods:name id="3A408F30F4B888F9524BA3074CB560DE" type="personal">
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<mods:roleTerm id="EEB26AB633ED74F1775C4195EB7426DE">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="AC909DFDA82623BABAAB49FDD41F4CD5">Yeo,</mods:namePart>
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</mods:name>
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<mods:name id="408EA03CC72F65FE0A46D34C2E559AB3" type="personal">
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<mods:role id="B8E7E0958676722AE7D7ECEEA957C321">
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<mods:roleTerm id="2810FA55049060D1212B18DD810D8361">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="F6238C79E9414CDA9D64F4A722B74992">Darren C. J.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="A08A9D825F2BC525E5238306707534D7">text</mods:typeOfResource>
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<mods:title id="6605C2694800C521C105A4E67277C5A5">Raffles Bulletin of Zoology</mods:title>
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</mods:titleInfo>
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<mods:part id="F4C5A52726837F0E682EB5FAAB074C4A">
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<mods:date id="E08AAAF1C4E33717229F435BAB20885D">2022</mods:date>
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<mods:number id="0C550AD2EF1AAF49B57C81CD34FFF701">2022-12-19</mods:number>
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<mods:detail id="20BB76ED039225C9E91E9655B24148FE" type="volume">
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<mods:number id="318006764673E6E267FD8788BCD5C781">70</mods:number>
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<mods:start id="946CB1BDA1DD93F30D52173473DBAEBC">572</mods:start>
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<mods:classification id="32822F582005EBD51BB204B65501917A">journal article</mods:classification>
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<mods:identifier id="7498FA71C0987141F25CEBD7B4B7AD56" type="DOI">10.26107/RBZ-2022-0032</mods:identifier>
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<mods:identifier id="7036A21BB4D3CAA6AC1B2845714917AA" type="ISSN">2345-7600</mods:identifier>
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</mods:mods>
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<treatment id="03CE8781D1285A6B8C5654C590994FC9" ID-Zenodo-Dep="13257010" LSID="urn:lsid:zoobank.org:act:CA5FDC88-10BA-40D1-8675-D90690DF032A" httpUri="http://treatment.plazi.org/id/03CE8781D1285A6B8C5654C590994FC9" lastPageId="6" lastPageNumber="578" pageId="1" pageNumber="573">
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<subSubSection id="C37D651CD1285A6C8C5654C590194CAD" box="[284,627,1433,1458]" pageId="1" pageNumber="573" type="nomenclature">
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<paragraph id="8BD83697D1285A6C8C5654C590194CAD" blockId="1.[284,627,1433,1490]" box="[284,627,1433,1458]" pageId="1" pageNumber="573">
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<heading id="D09081FBD1285A6C8C5654C590194CAD" bold="true" box="[284,627,1433,1458]" centered="true" fontSize="10" level="2" pageId="1" pageNumber="573" reason="2">
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<emphasis id="B913EA85D1285A6C8C5654C590194CAD" bold="true" box="[284,627,1433,1458]" pageId="1" pageNumber="573">
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<taxonomicName id="4C674D14D1285A6C8C5654C593B44CAD" ID-CoL="BCHFY" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[284,478,1433,1458]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="573" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
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<emphasis id="B913EA85D1285A6C8C5654C593B44CAD" bold="true" box="[284,478,1433,1458]" italics="true" pageId="1" pageNumber="573">Setosamon sakon</emphasis>
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||
</taxonomicName>
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||
,
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||
<taxonomicNameLabel id="A22057FED1285A6C8CA754C590194CAD" box="[493,627,1433,1458]" pageId="1" pageNumber="573" rank="species">new species</taxonomicNameLabel>
|
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</emphasis>
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||
</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37D651CD1285A6C8CC654E590684CCE" box="[396,514,1466,1490]" pageId="1" pageNumber="573" type="description">
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<paragraph id="8BD83697D1285A6C8CC654E590684CCE" blockId="1.[284,627,1433,1490]" box="[396,514,1466,1490]" pageId="1" pageNumber="573">
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(
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||
<figureCitation id="135C2A12D1285A6C8CD954E593904CCE" box="[403,506,1466,1490]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStartId-0="2.[113,148,1592,1614]" captionStartId-1="3.[136,171,2093,2115]" captionStartId-2="4.[113,148,1279,1301]" captionStartId-3="5.[136,171,1522,1544]" captionTargetBox-0="[116,1453,189,1578]" captionTargetBox-1="[153,1456,189,2078]" captionTargetBox-2="[113,1451,189,1264]" captionTargetBox-3="[136,1474,189,1507]" captionTargetId-0="figure-12@2.[97,1464,171,1589]" captionTargetId-1="figure-8@3.[153,1456,189,2078]" captionTargetId-2="figure-11@4.[113,1451,189,1264]" captionTargetId-3="figure-8@5.[136,1474,189,1507]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionText-0="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." captionText-1="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." captionText-2="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." captionText-3="Fig. 4. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, sternopleonal cavity showing detached G1s placed in approximate natural in situ position; B, thoracic sternum and pleon; C, close-up of pleon; D, posterior view of pleon, including somites 1 and 2." pageId="1" pageNumber="573">Figs. 1–4</figureCitation>
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)
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37D651CD1285A6C8DC254A6933B4E8E" pageId="1" pageNumber="573" type="materials_examined">
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||
<paragraph id="8BD83697D1285A6C8DC254A693B34F6E" blockId="1.[136,774,1529,1650]" pageId="1" pageNumber="573">
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||
<emphasis id="B913EA85D1285A6C8DC254A693194F0D" bold="true" box="[136,371,1529,1553]" pageId="1" pageNumber="573">Material examined.</emphasis>
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||
<materialsCitation id="3B0F3CCAD1285A6C8C3454A593B34F6E" collectingDate="1997-08-23" collectionCode="ZRC" collectorName="Naluimon Sangpradaub" country="Thailand" location="Sakon Nakhon District" pageId="1" pageNumber="573" specimenCode="ZRC 2022.0930" specimenCount="1" stateProvince="Sakon Nakhon" typeStatus="holotype">
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||
<typeStatus id="54DC8835D1285A6C8C3454A593824F0E" box="[382,488,1530,1554]" pageId="1" pageNumber="573" type="holotype">Holotype</typeStatus>
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||
, male (59.6 × 47.5 mm) (
|
||
<specimenCode id="DBC19EECD1285A6C8DC55745932F4F2E" box="[143,325,1562,1586]" collectionCode="ZRC" country="Singapore" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="1" pageNumber="573">ZRC 2022.0930</specimenCode>
|
||
), Phu Phan Park, Muang
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||
<collectingRegion id="49A3F875D1285A6C8F2F574592B14F4E" country="Thailand" name="Sakon Nakhon" pageId="1" pageNumber="573">Sakon Nakhon District</collectingRegion>
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||
,
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||
<collectingRegion id="49A3F875D1285A6C8DAC576593844F4E" box="[230,494,1594,1618]" country="Thailand" name="Sakon Nakhon" pageId="1" pageNumber="573">Sakon Nakhon Province</collectingRegion>
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||
,
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||
<collectingCountry id="F3707607D1285A6C8CB3576590314F4E" box="[505,603,1594,1618]" name="Thailand" pageId="1" pageNumber="573">Thailand</collectingCountry>
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||
, coll.
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||
<collectorName id="26925341D1285A6C8FD15765937D4F6E" pageId="1" pageNumber="573">Naluimon Sangpradaub</collectorName>
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||
,
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||
<date id="FFD91057D1285A6C8C69570593BF4F6E" box="[291,469,1626,1650]" pageId="1" pageNumber="573" value="1997-08-23">
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||
<collectingDate id="EF9DE9BFD1285A6C8C69570593BF4F6E" box="[291,469,1626,1650]" pageId="1" pageNumber="573" value="1997-08-23">23 August 1997</collectingDate>
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||
</date>
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||
.
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||
</materialsCitation>
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||
</paragraph>
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||
<paragraph id="8BD83697D1285A6C8DC257C6933B4E8E" blockId="1.[135,774,1689,1938]" pageId="1" pageNumber="573">
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||
<emphasis id="B913EA85D1285A6C8DC257C693E64FAD" bold="true" box="[136,396,1689,1713]" pageId="1" pageNumber="573">Comparative material.</emphasis>
|
||
<taxonomicName id="4C674D14D1285A6C8CD957C592A04FCE" authority="(Ng & Naiyanetr, 1993)" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="573" phylum="Arthropoda" rank="species" species="ubon">
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||
<emphasis id="B913EA85D1285A6C8CD957C590284FAE" box="[403,578,1690,1714]" italics="true" pageId="1" pageNumber="573">Setosamon ubon</emphasis>
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||
(
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||
<bibRefCitation id="EFF64B66D1285A6C8F1B57C592A84FCE" author="Ng PKL & Naiyanetr P" pageId="1" pageNumber="573" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
)
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||
</taxonomicName>
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||
:
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||
<materialsCitation id="3B0F3CCAD1285A6C8D9F57E590E84E0E" collectingDate="1985-10-06" collectionCode="RMNH" collectorName="P. Naiyanetr" country="Thailand" location="Senangkhanikhom District" pageId="1" pageNumber="573" specimenCode="D 42349" specimenCount="1" stateProvince="Ubon Ratchathani" typeStatus="holotype">
|
||
<typeStatus id="54DC8835D1285A6C8D9F57E5935F4FCE" box="[213,309,1722,1746]" pageId="1" pageNumber="573" type="holotype">holotype</typeStatus>
|
||
, male (49.0 × 39.0 mm) (
|
||
<collectionCode id="ED76AE52D1285A6C8F0857E590FE4FCE" box="[578,660,1722,1746]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="1" pageNumber="573" type="Museum">RMNH</collectionCode>
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||
<specimenCode id="DBC19EECD1285A6C8FD057E590914FCE" box="[666,763,1722,1746]" collectionCode="RMNH" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="1" pageNumber="573" type="Museum">D 42349</specimenCode>
|
||
),
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||
<location id="8EB8604CD1285A6C8DC2578593DC4FEE" LSID="urn:lsid:plazi:treatment:03CE8781D1285A6B8C5654C590994FC9:8EB8604CD1285A6C8DC2578593DC4FEE" box="[136,438,1754,1778]" country="Thailand" name="Senangkhanikhom District" pageId="1" pageNumber="573" stateProvince="Ubon Ratchathani">Senangkhanikhom District</location>
|
||
,
|
||
<collectingRegion id="49A3F875D1285A6C8C8C5785916B4FEE" box="[454,769,1754,1778]" country="Thailand" name="Ubon Ratchathani" pageId="1" pageNumber="573">
|
||
<taxonomicName id="4C674D14D1285A6C8C8C578590FB4FEE" authority="Ratchathani" authorityName="Ratchathani" box="[454,657,1754,1778]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="573" phylum="Arthropoda" rank="species" species="ubon">Ubon Ratchathani</taxonomicName>
|
||
Province
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||
</collectingRegion>
|
||
,
|
||
<collectingCountry id="F3707607D1285A6C8DC257A592814E0E" box="[136,235,1786,1810]" name="Thailand" pageId="1" pageNumber="573">Thailand</collectingCountry>
|
||
, coll.
|
||
<collectorName id="26925341D1285A6C8C7E57A593A84E0E" box="[308,450,1786,1810]" pageId="1" pageNumber="573">P. Naiyanetr</collectorName>
|
||
,
|
||
<date id="FFD91057D1285A6C8C9A57A590E84E0E" box="[464,642,1786,1810]" pageId="1" pageNumber="573" value="1985-10-06">
|
||
<collectingDate id="EF9DE9BFD1285A6C8C9A57A590E84E0E" box="[464,642,1786,1810]" pageId="1" pageNumber="573" value="1985-10-06">6 October 1985</collectingDate>
|
||
</date>
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="3B0F3CCAD1285A6C8FDB57A593274E8E" collectingDate="1975-12-06" collectionCode="RMNH" collectorName="Tangphulphon Somchai" country="Thailand" location="Si Songkhram District" pageId="1" pageNumber="573" specimenCode="D 42350" specimenCount="1" stateProvince="Nakhon Phanom" typeStatus="holotype">
|
||
<taxonomicName id="4C674D14D1285A6C8FDB57A593944E2E" authority="(Ng & Naiyanetr, 1993)" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="573" phylum="Arthropoda" rank="species" species="somchaii">
|
||
<emphasis id="B913EA85D1285A6C8FDB57A592824E2E" italics="true" pageId="1" pageNumber="573">Setosamon somchaii</emphasis>
|
||
(
|
||
<bibRefCitation id="EFF64B66D1285A6C8DB35645939C4E2E" author="Ng PKL & Naiyanetr P" box="[249,502,1818,1842]" pageId="1" pageNumber="573" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
:
|
||
<typeStatus id="54DC8835D1285A6C8F41564590014E2E" box="[523,619,1818,1842]" pageId="1" pageNumber="573" type="holotype">holotype</typeStatus>
|
||
, male (46.8 × 37.5 mm) (
|
||
<collectionCode id="ED76AE52D1285A6C8DB3566593204E4E" box="[249,330,1850,1874]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="1" pageNumber="573" type="Museum">RMNH</collectionCode>
|
||
<specimenCode id="DBC19EECD1285A6C8C1A566593C44E4E" box="[336,430,1850,1874]" collectionCode="RMNH" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="1" pageNumber="573" type="Museum">D 42350</specimenCode>
|
||
),
|
||
<location id="8EB8604CD1285A6C8CF4566590C04E4E" LSID="urn:lsid:plazi:treatment:03CE8781D1285A6B8C5654C590994FC9:8EB8604CD1285A6C8CF4566590C04E4E" box="[446,682,1850,1874]" country="Thailand" name="Si Songkhram District" pageId="1" pageNumber="573" stateProvince="Nakhon Phanom">Si Songkhram District</location>
|
||
,
|
||
<collectingRegion id="49A3F875D1285A6C8FF8566593234E6E" country="Thailand" name="Nakhon Phanom" pageId="1" pageNumber="573">Nakhon Phanom Province</collectingRegion>
|
||
,
|
||
<collectingCountry id="F3707607D1285A6C8C1C560593D24E6E" box="[342,440,1882,1906]" name="Thailand" pageId="1" pageNumber="573">Thailand</collectingCountry>
|
||
, coll.
|
||
<collectorName id="26925341D1285A6C8CB65605916B4E6E" box="[508,769,1882,1906]" pageId="1" pageNumber="573">Tangphulphon Somchai</collectorName>
|
||
,
|
||
<date id="FFD91057D1285A6C8DC2562593274E8E" box="[136,333,1914,1938]" pageId="1" pageNumber="573" value="1975-12-06">
|
||
<collectingDate id="EF9DE9BFD1285A6C8DC2562593274E8E" box="[136,333,1914,1938]" pageId="1" pageNumber="573" value="1975-12-06">6 December 1975</collectingDate>
|
||
</date>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37D651CD1285A6C8DC256E6976E4A8A" pageId="1" pageNumber="573" type="diagnosis">
|
||
<paragraph id="8BD83697D1285A6C8DC256E6976E4A8A" blockId="1.[136,774,1977,2066]" lastBlockId="1.[834,1475,189,918]" pageId="1" pageNumber="573">
|
||
<emphasis id="B913EA85D1285A6C8DC256E6936A4ECD" bold="true" box="[136,256,1977,2001]" pageId="1" pageNumber="573">Diagnosis.</emphasis>
|
||
Carapace transversely ovate, slightly broader than long, relatively low, flat, branchial regions very gently inflated, gently convex longitudinally; epigastric cristae distinct, almost confluent with, slightly anterior to postorbital cristae, separated by short, indistinct groove; postorbital cristae sharp, confluent with epibranchial tooth; frontal margin sinuous; regions behind the epigastric, postorbital cristae smooth; external orbital tooth well developed; epibranchial tooth distinct; anterolateral margin convex, cristate; anterolateral, branchial regions sparsely covered with rugae or granules; cervical grooves broad, shallow; epistome posterior margin with distinct median tooth. Third maxilliped presumed to be densely setose (as indicated by numerous deep pits for setae); with flagellum longer than width of merus. Ambulatory legs not elongate; margins of carpus, propodus, dactylus of ambulatory legs with coarse setae. Suture between anterior thoracic sternites 2, 3 complete, distinct, straight; suture between anterior thoracic sternites 3, 4 not discernible; male sternopleonal cavity barely reaching imaginary line joining posterior edge of cheliped coxae. Male pleon broadly triangular. G1 terminal segment relatively short, stout, subcylindrical, with groove for G2 on dorsal (sternal) surface, with distal part not tapered, tip rounded, with dorsal flap swollen, low, broad, extending for almost entire length, with apex on median part. G2 distal segment longer than half length of basal segment.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37D651CD1285A688E0952E2916D4E4C" lastPageId="5" lastPageNumber="577" pageId="1" pageNumber="573" type="description">
|
||
<paragraph id="8BD83697D1285A6C8E0952E296D34E09" blockId="1.[834,1475,957,1813]" pageId="1" pageNumber="573">
|
||
<emphasis id="B913EA85D1285A6C8E0952E291BD4AC9" bold="true" box="[835,983,957,981]" pageId="1" pageNumber="573">Description.</emphasis>
|
||
Carapace (
|
||
<figureCitation id="135C2A12D1285A6C891552E296D14AC9" box="[1119,1211,957,981]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="1" pageNumber="573">Fig. 2A</figureCitation>
|
||
) slightly broader than long, width to length ratio 1.25, relatively low, dorsal surface relatively flat except for gently inflated branchial regions, glabrous. Frontal regions with low granules, front gently deflexed ventrally, orbital regions narrow, smooth; anterolateral regions weakly rugose; branchial, mesogastric, urogastric, cardiac, intestinal regions smooth; suborbital region granulose; pterygostomial regions smooth, subhepatic, sub-branchial regions rugose. Epigastric cristae distinct, rugose, not cristate, separated by broad, median Y-shaped furrow; epigastric cristae just anterior to postorbital cristae, weakly separated by short furrow; postorbital cristae distinct, sharp to weakly rugose, prominently raised, subparallel to frontal margin, outer edge confluent with anterolateral margins. Cervical grooves distinct, not reaching lateral margins, connected to well-defined H-shaped gastric groove. Frontal margin gently sinuous in dorsal view, almost straight in frontal view; barely divided into two low lobes, separated by broad, very shallow concavity; margin of each lobe gently convex. External orbital tooth distinct, acutely triangular, outer margin slightly greater than length of inner margin, margins cristate, demarcated from rest of anterolateral margin by deep V-shaped cleft; epibranchial tooth small, distinct, broadly triangular. Anterolateral margins convex, cristate, lined with low, sharp granules, appears weakly serrated. Posterolateral margin straight, converging towards slightly convex posterior carapace margin.
|
||
</paragraph>
|
||
<paragraph id="8BD83697D1285A6C8E09566296554109" blockId="1.[834,1475,1853,2069]" pageId="1" pageNumber="573">
|
||
Orbits (
|
||
<figureCitation id="135C2A12D1285A6C8ED8566291864E49" box="[914,1004,1853,1877]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="1" pageNumber="573">Figs. 2B</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D1285A6C8EBF5662967C4E49" box="[1013,1046,1853,1877]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="1" pageNumber="573">3A</figureCitation>
|
||
) subovate; eye filling entire space; ocular peduncle relatively short; cornea large, ovate, pigmented. Supraorbital, suborbital margins straight, cristate. Antennules short, folding transversely into broad, subrectangular fossa; antennae very short, tip not reaching cornea of eyes. Posterior margin of epistome with distinct median triangle, lateral margin almost straight.
|
||
</paragraph>
|
||
<caption id="DF18661FD12B5A6F8D3B576796264F94" pageId="2" pageNumber="574" startId="2.[113,148,1592,1614]" targetBox="[116,1453,189,1578]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8BD83697D12B5A6F8D3B576796264F94" blockId="2.[113,1451,1592,1672]" pageId="2" pageNumber="574">
|
||
Fig. 1.
|
||
<taxonomicName id="4C674D14D12B5A6F8DFD576693374F51" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[183,349,1592,1614]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="574" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12B5A6F8DFD576693374F51" box="[183,349,1592,1614]" italics="true" pageId="2" pageNumber="574">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12B5A6F8C205766938B4F52" box="[362,481,1592,1614]" pageId="2" pageNumber="574" rank="species">new species</taxonomicNameLabel>
|
||
, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD83697D12B5A6F8D3B57E090364ECB" blockId="2.[113,753,1727,2007]" pageId="2" pageNumber="574">
|
||
Third maxilliped (
|
||
<figureCitation id="135C2A12D12B5A6F8C7C57E093FA4FCB" box="[310,400,1727,1751]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="2" pageNumber="574">Figs. 1F</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12B5A6F8CD757E093B74FCB" box="[413,477,1727,1751]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="2" pageNumber="574">3A, E</figureCitation>
|
||
) covering most of buccal cavity when closed, with numerous deep pits for setae (setae detached in
|
||
<typeStatus id="54DC8835D12B5A6F8DB157A093354E0B" box="[251,351,1791,1815]" pageId="2" pageNumber="574" type="holotype">holotype</typeStatus>
|
||
); ischium broadly rectangular, with distinct longitudinal median sulcus; merus subquadrate, slightly wider than long, subequal to half of ischium length, with concave outer surface, margins almost smooth, weakly granulated; exopod slender, long, reaching to about half length of merus, inner distal angle angular, produced, with elongate flagellum, longer than merus width.
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12B5A698D3B56A0930D4FE2" blockId="2.[113,753,2047,2103]" lastBlockId="4.[112,754,1414,1790]" lastPageId="4" lastPageNumber="576" pageId="2" pageNumber="574">
|
||
Chelipeds (
|
||
<figureCitation id="135C2A12D12B5A6F8DA156A09320410B" box="[235,330,2047,2071]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="2" pageNumber="574">Figs. 2B</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12B5A6F8C1C56A093FD410B" box="[342,407,2047,2071]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="2" pageNumber="574">3C, D</figureCitation>
|
||
) slightly subequal, left cheliped slightly larger in
|
||
<typeStatus id="54DC8835D12B5A6F8C6C594093ED412B" box="[294,391,2079,2103]" pageId="2" pageNumber="574" type="holotype">holotype</typeStatus>
|
||
. Anterior margin of basis-ischium lined with small granules, margin of merus lined with sharp granules, appearing serrated. Outer surface of merus and carpus rugose, inner distal angle with large sharp tooth and basal tooth. Outer surface of chelae gently rugose, major chela fingers appears more elongate than minor chela. Pollex of major chela longer than palm (dactylus broken), outer surface with rows of pits, tips hooked and overlapping in minor chela; cutting edges of both fingers with variously sized sharp teeth and denticles; dorsal margin of dactylus more prominent with tubercles; fingers form slight gape when closed. Fingers of minor chela short, subequal to palm. Ambulatory legs (
|
||
<figureCitation id="135C2A12D12D5A698C7A54D993E44C82" box="[304,398,1414,1438]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="4" pageNumber="576">Figs. 2A</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12D5A698CD354D993D24C82" box="[409,440,1414,1438]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="4" pageNumber="576">3B</figureCitation>
|
||
) not elongate, carpi, propodi, dactyli lined with few coarse setae but with numerous pits for setae (setae detached in
|
||
<typeStatus id="54DC8835D12D5A698CEE5499906C4CC2" box="[420,518,1478,1502]" pageId="4" pageNumber="576" type="holotype">holotype</typeStatus>
|
||
), second pair longest, pereopod length (from merus to dactylus) to carapace width ratio 1.46, last pair shortest. Merus length to width ratio 3.38, outer surface very weakly rugose, dorsal margin distinctly smooth, without subdistal spine or tooth; carpus gently rugose, dorsal margin almost smooth, outer surface with distinct sub-median crista; dorsal margin of propodus with crista, outer surface with very weak sub-median groove; dactylus elongate, relatively straight, margins with short, sharp pectinate spines.
|
||
</paragraph>
|
||
<caption id="DF18661FD12A5A6E8DC2597297A9415F" box="[136,1475,2092,2115]" pageId="3" pageNumber="575" startId="3.[136,171,2093,2115]" targetBox="[153,1456,189,2078]" targetPageId="3" targetType="figure">
|
||
<paragraph id="8BD83697D12A5A6E8DC2597297A9415F" blockId="3.[136,1475,2092,2115]" box="[136,1475,2092,2115]" pageId="3" pageNumber="575">
|
||
Fig. 2.
|
||
<taxonomicName id="4C674D14D12A5A6E8D815972931B415E" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[203,369,2093,2114]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="575" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12A5A6E8D815972931B415E" box="[203,369,2093,2114]" italics="true" pageId="3" pageNumber="575">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12A5A6E8C3759729399415F" box="[381,499,2093,2115]" pageId="3" pageNumber="575" rank="species">new species</taxonomicNameLabel>
|
||
, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF18661FD12D5A698D3B55A092844C53" pageId="4" pageNumber="576" startId="4.[113,148,1279,1301]" targetBox="[113,1451,189,1264]" targetPageId="4" targetType="figure">
|
||
<paragraph id="8BD83697D12D5A698D3B55A092844C53" blockId="4.[113,1451,1279,1359]" pageId="4" pageNumber="576">
|
||
Fig. 3.
|
||
<taxonomicName id="4C674D14D12D5A698DF155A0930F4C08" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[187,357,1279,1300]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="576" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12D5A698DF155A0930F4C08" box="[187,357,1279,1300]" italics="true" pageId="4" pageNumber="576">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12D5A698C3F55A093844C09" box="[373,494,1279,1301]" pageId="4" pageNumber="576" rank="species">new species</taxonomicNameLabel>
|
||
, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD83697D12D5A698D3B567996454CA1" blockId="4.[113,753,1830,2078]" lastBlockId="4.[813,1451,1414,1470]" pageId="4" pageNumber="576">
|
||
Thoracic sternum (
|
||
<figureCitation id="135C2A12D12D5A698C00567993C44E22" box="[330,430,1830,1854]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="4" pageNumber="576">Figs. 2C</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12D5A698CF75679938A4E22" box="[445,480,1830,1854]" captionStart="Fig" captionStartId="5.[136,171,1522,1544]" captionTargetBox="[136,1474,189,1507]" captionTargetId="figure-8@5.[136,1474,189,1507]" captionTargetPageId="5" captionText="Fig. 4. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, sternopleonal cavity showing detached G1s placed in approximate natural in situ position; B, thoracic sternum and pleon; C, close-up of pleon; D, posterior view of pleon, including somites 1 and 2." pageId="4" pageNumber="576">4B</figureCitation>
|
||
), notably sternites 3, 4, relatively broad, surface pitted. Sternites 1, 2 completely fused to form broadly triangular plate; separated from sternite 3 by straight suture; sternites 3, 4 completely fused, with shallow groove demarcating suture, no lateral notches on either side of sternites; sutures 4/5, 5/6, 6/7, 7/8 medially interrupted; median longitudinal groove limited to posterior end of sternite 4 to sternite 8. Male sternopleonal cavity shallow, barely reaching imaginary line joining posterior edge of cheliped coxae.
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12D5A698E6754B996E54FC2" blockId="4.[812,1452,1510,1758]" pageId="4" pageNumber="576">
|
||
Male pleon (
|
||
<figureCitation id="135C2A12D12D5A698EF454B9967F4CE2" box="[958,1045,1510,1534]" captionStart="Fig" captionStartId="5.[136,171,1522,1544]" captionTargetBox="[136,1474,189,1507]" captionTargetId="figure-8@5.[136,1474,189,1507]" captionTargetPageId="5" captionText="Fig. 4. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, sternopleonal cavity showing detached G1s placed in approximate natural in situ position; B, thoracic sternum and pleon; C, close-up of pleon; D, posterior view of pleon, including somites 1 and 2." pageId="4" pageNumber="576">Fig. 4C</figureCitation>
|
||
) broadly triangular; all somites and telson free; telson broadly triangular, height to base ratio 0.73, lateral margins gently concave; somite 6 trapezoidal, much wider than long, lateral margins almost straight; somites 3–5 trapezoidal, gradually decreasing in width, increasing in length; somites 1, 2 subrectangular, very wide, reaching to bases of coxae of fourth ambulatory legs, thoracic sternite 8 not visible when pleon closed.
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12D5A688E675659916D4E4C" blockId="4.[811,1452,1798,2078]" lastBlockId="5.[134,776,1657,1873]" lastPageId="5" lastPageNumber="577" pageId="4" pageNumber="576">
|
||
G1 (
|
||
<figureCitation id="135C2A12D12D5A698E11565991A54E02" box="[859,975,1798,1822]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="4" pageNumber="576">Fig. 1A–D</figureCitation>
|
||
) relatively broad, stout, straight; subterminal segment broad proximally, tapering distally, without cleft on outer margin, lateral margin convex, mesial margin relatively straight, distal end slightly curving laterally; terminal segment clearly separated from subterminal segment by weak dilation, relatively short, about 0.36 times length of subterminal segment, gently bent laterally, relatively stout, subcylindrical, tip appearing rounded, with distinct dorsal subdistal opening, groove for G2 positioned on dorsal (sternal) surface, without longitudinal torsion, without swelling on inner margin, dorsal flap low, broad, extending almost entire length of terminal segment, swollen, convex, with broadly convex apex in median portion, gradually tapered proximally and distally, without subdistal notch. G2 (
|
||
<figureCitation id="135C2A12D12C5A688CFB57A693944E0D" box="[433,510,1785,1809]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="5" pageNumber="577">Fig. 1E</figureCitation>
|
||
) distal segment distinctly longer than half of basal segment, slender, tapering, without distal projection; basal segment outer margin gently convex.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF18661FD12C5A688DC254AD93434F5D" pageId="5" pageNumber="577" startId="5.[136,171,1522,1544]" targetBox="[136,1474,189,1507]" targetPageId="5" targetType="figure">
|
||
<paragraph id="8BD83697D12C5A688DC254AD93434F5D" blockId="5.[136,1474,1522,1602]" pageId="5" pageNumber="577">
|
||
Fig. 4.
|
||
<taxonomicName id="4C674D14D12C5A688D8454AD93194F1B" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[206,371,1522,1543]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="577" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12C5A688D8454AD93194F1B" box="[206,371,1522,1543]" italics="true" pageId="5" pageNumber="577">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12C5A688CCA54AD939D4F14" box="[384,503,1522,1544]" pageId="5" pageNumber="577" rank="species">new species</taxonomicNameLabel>
|
||
, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, sternopleonal cavity showing detached G1s placed in approximate natural in situ position; B, thoracic sternum and pleon; C, close-up of pleon; D, posterior view of pleon, including somites 1 and 2.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C37D651CD12C5A688DC2562690B74ECD" pageId="5" pageNumber="577" type="etymology">
|
||
<paragraph id="8BD83697D12C5A688DC2562690B74ECD" blockId="5.[136,774,1913,2001]" pageId="5" pageNumber="577">
|
||
<emphasis id="B913EA85D12C5A688DC2562693654E8C" bold="true" box="[136,271,1913,1937]" pageId="5" pageNumber="577">Etymology.</emphasis>
|
||
This species is named after
|
||
<collectingRegion id="49A3F875D12C5A688F2A562692B24EAD" country="Thailand" name="Sakon Nakhon" pageId="5" pageNumber="577">Sakon Nakhon District</collectingRegion>
|
||
in
|
||
<collectingCountry id="F3707607D12C5A688DB656C693344EAD" box="[252,350,1945,1969]" name="Thailand" pageId="5" pageNumber="577">Thailand</collectingCountry>
|
||
, where the
|
||
<typeStatus id="54DC8835D12C5A688C9356C6905C4EAD" box="[473,566,1945,1969]" pageId="5" pageNumber="577" type="holotype">holotype</typeStatus>
|
||
was collected. The species epithet,
|
||
<taxonomicName id="4C674D14D12C5A688C7256E6931E4ECD" box="[312,372,1977,2001]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="577" phylum="Arthropoda" rank="species" species="sakon">
|
||
<emphasis id="B913EA85D12C5A688C7256E6931E4ECD" box="[312,372,1977,2001]" italics="true" pageId="5" pageNumber="577">sakon</emphasis>
|
||
</taxonomicName>
|
||
, is used as a noun in apposition.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37D651CD12C5A6B8DC256A690994FC9" lastPageId="6" lastPageNumber="578" pageId="5" pageNumber="577" type="discussion">
|
||
<paragraph id="8BD83697D12C5A6B8DC256A690274869" blockId="5.[136,775,2041,2097]" lastBlockId="6.[113,753,189,373]" lastPageId="6" lastPageNumber="578" pageId="5" pageNumber="577">
|
||
<emphasis id="B913EA85D12C5A688DC256A6929D410D" bold="true" box="[136,247,2041,2065]" pageId="5" pageNumber="577">Remarks.</emphasis>
|
||
In the sole specimen of
|
||
<taxonomicName id="4C674D14D12C5A688F4456A690A0410D" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" box="[526,714,2041,2065]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="577" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12C5A688F4456A690A0410D" box="[526,714,2041,2065]" italics="true" pageId="5" pageNumber="577">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12C5A688F9056A692B2412D" pageId="5" pageNumber="577" rank="species">new species</taxonomicNameLabel>
|
||
, the third maxilliped apparently lacks the distinctive long and coarse setae found in other
|
||
<taxonomicName id="4C674D14D12C5A6889A6572697A84F8D" box="[1260,1474,1657,1681]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="577" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B913EA85D12C5A6889A6572697084F8C" box="[1260,1378,1657,1680]" italics="true" pageId="5" pageNumber="577">Setosamon</emphasis>
|
||
species.
|
||
</taxonomicName>
|
||
Nonetheless, numerous large, deep pits that mark the attachment points of these coarse setae are scattered across the surfaces of ischium, merus, and exopod (
|
||
<figureCitation id="135C2A12D12C5A688810578697DF4FED" box="[1370,1461,1753,1777]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="5" pageNumber="577">Fig. 3E</figureCitation>
|
||
), suggesting the presence of setae in the intact specimen in life. We presume that the setae were artificially detached at some point post-mortem, perhaps due to old age or improper preservation and/or handling. Furthermore,
|
||
<taxonomicName id="4C674D14D12C5A688802560691E94E8D" authorityName="Tan & & Yeo & Darren C. J." authorityYear="2022" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="577" phylum="Arthropoda" rank="species" species="sakon" status="sp. nov.">
|
||
<emphasis id="B913EA85D12C5A688802560691E94E8D" italics="true" pageId="5" pageNumber="577">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A22057FED12C5A688EDF5626964A4E8D" box="[917,1056,1913,1937]" pageId="5" pageNumber="577" rank="species">new species</taxonomicNameLabel>
|
||
, also displays these other characters that warrant its inclusion in the genus, namely, the almost confluent epigastric cristae and postorbital cristae; smooth dorsal carapace surface except for the slightly rugose branchial region; long third maxilliped exopod flagellum, exceeding width of merus; broadly triangular male pleon barely reaching imaginary line joining posterior edge of cheliped coxa; ambulatory legs carpi, propodi, and dactyli lined with coarse setae; and relatively short, subcylindrical G1 terminal segment, with distinct dorsal groove for the G2, broad, rounded tip, with well developed, swollen, broad dorsal flap (
|
||
<figureCitation id="135C2A12D12F5A6B8DB9500293F94869" box="[243,403,349,373]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="6" pageNumber="578">Figs. 1A–D, F</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8CEA500293A94869" box="[416,451,349,373]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="6" pageNumber="578">2A</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8C9A500290784869" box="[464,530,349,373]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="6" pageNumber="578">3B, E</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8F545002902B4869" box="[542,577,349,373]" captionStart="Fig" captionStartId="5.[136,171,1522,1544]" captionTargetBox="[136,1474,189,1507]" captionTargetId="figure-8@5.[136,1474,189,1507]" captionTargetPageId="5" captionText="Fig. 4. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, sternopleonal cavity showing detached G1s placed in approximate natural in situ position; B, thoracic sternum and pleon; C, close-up of pleon; D, posterior view of pleon, including somites 1 and 2." pageId="6" pageNumber="578">4B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12F5A6B8D3B50C193DF4A69" blockId="6.[112,755,413,885]" pageId="6" pageNumber="578">
|
||
<taxonomicName id="4C674D14D12F5A6B8D3B50C1935A48A9" box="[113,304,413,437]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="sakon">
|
||
<emphasis id="B913EA85D12F5A6B8D3B50C1935A48A9" box="[113,304,413,437]" italics="true" pageId="6" pageNumber="578">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
most closely resembles
|
||
<taxonomicName id="4C674D14D12F5A6B8F0250C1934948C9" authority="(Ng & Naiyanetr, 1993)" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="ubon">
|
||
<emphasis id="B913EA85D12F5A6B8F0250C190F748A9" box="[584,669,413,437]" italics="true" pageId="6" pageNumber="578">S. ubon</emphasis>
|
||
(
|
||
<bibRefCitation id="EFF64B66D12F5A6B8FE550C2937148C9" author="Ng PKL & Naiyanetr P" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
in its slightly serrated carapace anterolateral margins, slightly inflated branchial regions, and the dorsal and subdistal position of the opening of the G1 terminal segment (
|
||
<figureCitation id="135C2A12D12F5A6B8D965342930A4B29" box="[220,352,541,565]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="6" pageNumber="578">Figs. 1A–D</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8C24534293DE4B29" box="[366,436,541,565]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="6" pageNumber="578">2A, B</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFF64B66D12F5A6B8C89534190D54B29" author="Ng PKL & Naiyanetr P" box="[451,703,541,566]" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
: fig. 40D). There are, however, some significant differences in the G1 structure that separate the two species, namely, the G1 terminal segment is less strongly bent outwards (versus more strongly bent outwards in
|
||
<taxonomicName id="4C674D14D12F5A6B8CF653C190604BA9" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" box="[444,522,669,693]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="ubon">
|
||
<emphasis id="B913EA85D12F5A6B8CF653C190604BA9" box="[444,522,669,693]" italics="true" pageId="6" pageNumber="578">S. ubon</emphasis>
|
||
</taxonomicName>
|
||
); and the G1 terminal segment dorsal flap extends along the entire length of the terminal segment, with the flap’s apex in the median portion (versus dorsal flap extending distal two-thirds length of terminal segment, with flap apex skewed towards distal portion, at the distal third in
|
||
<taxonomicName id="4C674D14D12F5A6B8CF3526190674A49" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" box="[441,525,829,853]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="ubon">
|
||
<emphasis id="B913EA85D12F5A6B8CF3526190674A49" box="[441,525,829,853]" italics="true" pageId="6" pageNumber="578">S. ubon</emphasis>
|
||
</taxonomicName>
|
||
) (
|
||
<figureCitation id="135C2A12D12F5A6B8F62526290CB4A49" box="[552,673,829,853]" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="6" pageNumber="578">Fig. 1A–D</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFF64B66D12F5A6B8FFA526193494A69" author="Ng PKL & Naiyanetr P" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
: fig. 40B–E).
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12F5A6B8D3B52C1909B4DA9" blockId="6.[113,753,925,1206]" pageId="6" pageNumber="578">
|
||
<taxonomicName id="4C674D14D12F5A6B8D3B52C1934F4AA9" box="[113,293,925,949]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="sakon">
|
||
<emphasis id="B913EA85D12F5A6B8D3B52C1934F4AA9" box="[113,293,925,949]" italics="true" pageId="6" pageNumber="578">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
can be easily distinguished from
|
||
<taxonomicName id="4C674D14D12F5A6B8F3252C193154AC9" authority="(Ng & Naiyanetr, 1993)" baseAuthorityName="Ng & Naiyanetr" baseAuthorityYear="1993" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="somchaii">
|
||
<emphasis id="B913EA85D12F5A6B8F3252C190844AA9" box="[632,750,925,949]" italics="true" pageId="6" pageNumber="578">S. somchaii</emphasis>
|
||
(
|
||
<bibRefCitation id="EFF64B66D12F5A6B8D3352E2931D4AC9" author="Ng PKL & Naiyanetr P" box="[121,375,957,981]" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
by the weakly serrated carapace anterolateral margin (versus carapace anterolateral margin almost entire); G1 more stout, less sinuous (versus G1 appearing more slender, sinuous); and G1 terminal segment with dorsal subdistal opening, dorsal flap with broadly convex apex (versus G1 terminal segment lacking dorsal subdistal opening, dorsal flap with broad bluntly angular apex) (
|
||
<figureCitation id="135C2A12D12F5A6B8FF1552292DF4DA9" captionStart="Fig" captionStartId="2.[113,148,1592,1614]" captionTargetBox="[116,1453,189,1578]" captionTargetId="figure-12@2.[97,1464,171,1589]" captionTargetPageId="2" captionText="Fig. 1. Setosamon sakon, new species, holotype male (59.6 × 47.5 mm) (ZRC 2022.0930). A, right G1, dorsal (sternal) view; B, right G1, ventral (pleonal) view; C, terminal segment of right G1, dorsal (sternal) view; D, terminal segment of right G1, ventral (pleonal) view; E, right G2, dorsal (sternal) view; F, left third maxilliped (setae reconstructed). Scale bar = 2.0 mm." pageId="6" pageNumber="578">Figs. 1A–D</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8D8A55C2928B4DA9" box="[192,225,1181,1205]" captionStart="Fig" captionStartId="3.[136,171,2093,2115]" captionTargetBox="[153,1456,189,2078]" captionTargetId="figure-8@3.[153,1456,189,2078]" captionTargetPageId="3" captionText="Fig. 2. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, dorsal view; B, frontal view; C, ventral view." pageId="6" pageNumber="578">2B</figureCitation>
|
||
,
|
||
<figureCitation id="135C2A12D12F5A6B8DA655C2937A4DA9" box="[236,272,1181,1205]" captionStart="Fig" captionStartId="4.[113,148,1279,1301]" captionTargetBox="[113,1451,189,1264]" captionTargetId="figure-11@4.[113,1451,189,1264]" captionTargetPageId="4" captionText="Fig. 3. Setosamon sakon, new species, holotype, male (59.6 × 47.5 mm) (ZRC 2022.0930). A, frontal view of cephalothorax; B, left second ambulatory leg; C, lateral view of right minor chela; D, medial view of right minor chela; E, left third maxilliped (setae detached in holotype)." pageId="6" pageNumber="578">3A</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFF64B66D12F5A6B8C5055C190664DA9" author="Ng PKL & Naiyanetr P" box="[282,524,1181,1206]" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
: figs. 7A, B, 41B–E).
|
||
</paragraph>
|
||
<paragraph id="8BD83697D12F5A6B8D3B558290994FC9" blockId="6.[112,755,1245,1749]" pageId="6" pageNumber="578">
|
||
<emphasis id="B913EA85D12F5A6B8D3B558292A54DE9" bold="true" box="[113,207,1245,1269]" pageId="6" pageNumber="578">Habitat.</emphasis>
|
||
Habitat notes were not available with the specimen; however, the sole specimen of
|
||
<taxonomicName id="4C674D14D12F5A6B8CA755A190D34C09" box="[493,697,1277,1301]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="sakon">
|
||
<emphasis id="B913EA85D12F5A6B8CA755A190D34C09" box="[493,697,1277,1301]" italics="true" pageId="6" pageNumber="578">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
was obtained from Phu Phan National Park in
|
||
<collectingRegion id="49A3F875D12F5A6B8F04544292BF4C49" country="Thailand" name="Sakon Nakhon" pageId="6" pageNumber="578">Sakon Nakhon Province</collectingRegion>
|
||
, northeastern
|
||
<collectingCountry id="F3707607D12F5A6B8C3D546293B14C49" box="[375,475,1341,1365]" name="Thailand" pageId="6" pageNumber="578">Thailand</collectingCountry>
|
||
, and Phu Phan National Park is dominated by a limestone mountain range, dry evergreen forests, and is the source of numerous streams and waterfalls (
|
||
<bibRefCitation id="EFF64B66D12F5A6B8C5654C290D84CA9" author="Department of National Parks" box="[284,690,1437,1461]" pageId="6" pageNumber="578" refId="ref4264" refString="Department of National Parks (2015) National Parks in Thailand: Phu Phan National Park. pp. 148 - 149. Retrieved 13 May 2022." type="book" year="2015">Department of National Parks, 2015</bibRefCitation>
|
||
). The general morphology of
|
||
<taxonomicName id="4C674D14D12F5A6B8CC954E190224CC9" box="[387,584,1469,1493]" class="Malacostraca" family="Potamidae" genus="Setosamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="578" phylum="Arthropoda" rank="species" species="sakon">
|
||
<emphasis id="B913EA85D12F5A6B8CC954E190224CC9" box="[387,584,1469,1493]" italics="true" pageId="6" pageNumber="578">Setosamon sakon</emphasis>
|
||
</taxonomicName>
|
||
, including the relatively low carapace, relatively stout ambulatory legs, and third maxilliped with elongated flagellum, is often associated with species with generally aquatic habits (as opposed to terrestrial or semi-terrestrial) that occur in fast-flowing hill/ montane streams (
|
||
<bibRefCitation id="EFF64B66D12F5A6B8C7D570290444F69" author="Ng PKL & Naiyanetr P" box="[311,558,1629,1653]" pageId="6" pageNumber="578" pagination="1 - 117" refId="ref4705" refString="Ng PKL & Naiyanetr P (1993) New and recently described freshwater crabs (Crustacea: Decapoda: Brachyura: Potamidae, Gecarcinucidae and Parathelphusidae) from Thailand. Zoologische Verhandelingen, 284: 1 - 117." type="journal article" year="1993">Ng & Naiyanetr, 1993</bibRefCitation>
|
||
; Yeo et al., 1999;
|
||
<bibRefCitation id="EFF64B66D12F5A6B8D3B572192814F89" author="Yeo DCJ" box="[113,235,1661,1685]" pageId="6" pageNumber="578" refId="ref4835" refString="Yeo DCJ (2000) Revision of the freshwater crabs (Crustacea: Decapoda: Brachyura: Potamoidea and Gecarcinucoidea) of Indochina. Unpublished PhD thesis. National University of Singapore, Singapore, 790 pp." type="book" year="2000">Yeo, 2000</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFF64B66D12F5A6B8DB0572193B14F89" author="Naruse T & Nguyen XQ & Yeo DCJ" box="[250,475,1661,1685]" pageId="6" pageNumber="578" pagination="33 - 48" refId="ref4532" refString="Naruse T, Nguyen XQ & Yeo DCJ (2011) Three new species of Indochinamon Yeo & Ng, 2007 (Crustacea: Brachyura: Potamoidea: Potamidae) from Vietnam, with a redescription of Ranguna (Ranguna) kimboiensis Dang, 1975. Zootaxa, 2732: 33 - 48." type="journal article" year="2011">Naruse et al., 2011</bibRefCitation>
|
||
). Future expeditions are needed, however, to verify these potential associations and better understand the ecology and distribution of this crab.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |