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<document id="F98535981B891559FEB9EED21AB38927" ID-DOI="10.26107/RBZ-2022-0031" ID-ISSN="2345-7600" ID-Zenodo-Dep="13256876" ID-ZooBank="633217F0-3D8F-478B-B300-5AABADEB3066" 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="1723049921621" checkinUser="felipe" docAuthor="Ng, Peter K. L., , Martyn E. Y. Low, Clark, &amp; Paul F." docDate="2022" docId="03C35504FF9CFFD455BBFA670A29FCAA" docLanguage="en" docName="RafflesBZool.70.550-571.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="Isolapotamon feeae Ng, , Clark &amp; F., 2022, new species" docType="treatment" docUuid="2E3D627A-2329-427B-8FA4-6B68F0474C40" docUuidSource="ZooBank" docVersion="2" lastPageNumber="560" masterDocId="FFFA2D7CFF9AFFDE5541FFB90B00FFBF" masterDocTitle="Historical notes on various collectors of unidentified freshwater crabs (Crustacea: Decapoda: Brachyura) from the Malay Peninsula and Borneo, with descriptions of two new species of Isolapotamon Bott, 1968 Potamidae)" masterLastPageNumber="571" masterPageNumber="550" pageNumber="556" updateTime="1723053399752" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="2F2E4876F39308364B70AFF281FAD3CC">Historical notes on various collectors of unidentified freshwater crabs (Crustacea: Decapoda: Brachyura) from the Malay Peninsula and Borneo, with descriptions of two new species of Isolapotamon Bott, 1968 Potamidae)</mods:title>
</mods:titleInfo>
<mods:name id="62DAA2C9DE8842F656E11D782826ACF6" type="personal">
<mods:role id="5F51EFBF738DC52A87713184417EEE8A">
<mods:roleTerm id="F2DA0BF7E7B8C7E1F475EE626C8D6D27">Author</mods:roleTerm>
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<mods:namePart id="C87138A3B5CAD61F5BB72D4F66C2BA74">Ng, Peter K. L.</mods:namePart>
</mods:name>
<mods:name id="DFB8FE1F2134AD8E252F560BB76A0198" type="personal">
<mods:role id="8BC1703B05D00E7033589147CD88E858">
<mods:roleTerm id="7F2C4C5FDA42680C9DB406B7B2A0BBC6">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="EC7C84F4E510FC03B79246D5F29B7094">, Martyn E. Y. Low</mods:namePart>
</mods:name>
<mods:name id="09AC10B2C6DE2853512B37A65F622863" type="personal">
<mods:role id="565D3FD4A6710504F5A1BAF8E4DFFEB5">
<mods:roleTerm id="DC276C447D5367A80479CBFBB86DD947">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="40E595323E40AC3CE99C0128CCFCD8FF">Clark,</mods:namePart>
</mods:name>
<mods:name id="EB0D59CBD0BD581862FC36D29B64D1BD" type="personal">
<mods:role id="A861D1E1277CC8EDB756A5E1FCAFE0B4">
<mods:roleTerm id="3F96F6CA096AA706FDCCD1850A59D217">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="15B5A9CC7F90BF4E1A3C85EAB6C58840">Paul F.</mods:namePart>
</mods:name>
<mods:typeOfResource id="9852E8C93C233ECCDE8699341673FFA3">text</mods:typeOfResource>
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<mods:title id="027DE87988F4899C2BD1110B0EC2FBF4">Raffles Bulletin of Zoology</mods:title>
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<mods:part id="9D6795050D204E75F3DF02167E080E41">
<mods:date id="9B80B68AE800AF08ACAB3E649C1E9F98">2022</mods:date>
<mods:detail id="982FFCCC694FD1A9C464028EDB1CAAC8" type="pubDate">
<mods:number id="746805E555801620D7EB4B0BBF2C8722">2022-12-12</mods:number>
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<mods:classification id="23A78F9C2F19AFD492646CC31924D951">journal article</mods:classification>
<mods:identifier id="1C7B0E3BFB55C7948E91D93648A8355D" type="DOI">10.26107/RBZ-2022-0031</mods:identifier>
<mods:identifier id="B3BABF75733F5624CFF8A556FB5FD842" type="ISSN">2345-7600</mods:identifier>
<mods:identifier id="0640ACD48AAF9337DBD2349E715F61A4" type="Zenodo-Dep">13256876</mods:identifier>
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<treatment id="03C35504FF9CFFD455BBFA670A29FCAA" LSID="urn:lsid:zoobank.org:act:2E3D627A-2329-427B-8FA4-6B68F0474C40" httpUri="http://treatment.plazi.org/id/03C35504FF9CFFD455BBFA670A29FCAA" lastPageId="10" lastPageNumber="560" pageId="6" pageNumber="556">
<subSubSection id="C370B799FF9CFFD855BBFA670968FA49" box="[250,616,1502,1526]" pageId="6" pageNumber="556" type="nomenclature">
<paragraph id="8BD5E412FF9CFFD855BBFA670968FA49" blockId="6.[250,616,1502,1558]" box="[250,616,1502,1526]" pageId="6" pageNumber="556">
<heading id="D09D537EFF9CFFD855BBFA670968FA49" bold="true" box="[250,616,1502,1526]" centered="true" fontSize="10" level="2" pageId="6" pageNumber="556" reason="2">
<emphasis id="B91E3800FF9CFFD855BBFA670968FA49" bold="true" box="[250,616,1502,1526]" pageId="6" pageNumber="556">
<taxonomicName id="4C6A9F91FF9CFFD855BBFA670AD4FA49" ID-CoL="BBXKP" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[250,468,1502,1526]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="556" phylum="Arthropoda" rank="species" species="feeae" status="sp. nov.">
<emphasis id="B91E3800FF9CFFD855BBFA670AD4FA49" bold="true" box="[250,468,1502,1526]" italics="true" pageId="6" pageNumber="556">Isolapotamon feeae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF9CFFD854A2FA670968FA49" box="[483,616,1502,1526]" pageId="6" pageNumber="556" rank="species">new species</taxonomicNameLabel>
</emphasis>
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</paragraph>
</subSubSection>
<subSubSection id="C370B799FF9CFFD8540DFA470915F9A9" box="[332,533,1534,1558]" pageId="6" pageNumber="556" type="description">
<paragraph id="8BD5E412FF9CFFD8540DFA470915F9A9" blockId="6.[250,616,1502,1558]" box="[332,533,1534,1558]" pageId="6" pageNumber="556">
(
<figureCitation id="1351F897FF9CFFD85415FA470AA1F9A9" box="[340,417,1534,1558]" captionStart="Fig" captionStartId="7.[136,171,1946,1968]" captionTargetBox="[136,1474,276,1931]" captionTargetId="figure-8@7.[136,1474,276,1931]" captionTargetPageId="7" captionText="Fig. 2. Isolapotamon feeae, new species, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="6" pageNumber="556">Figs. 2</figureCitation>
,
<figureCitation id="1351F897FF9CFFD854EEFA470ABEF9A9" box="[431,446,1534,1558]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="6" pageNumber="556">3</figureCitation>
,
<figureCitation id="1351F897FF9CFFD8548AFA47090EF9A9" box="[459,526,1534,1558]" captionStart="Fig" captionStartId="12.[113,148,1930,1952]" captionTargetBox="[106,1451,296,1917]" captionTargetId="figure-15@12.[95,1475,273,1932]" captionTargetPageId="12" captionText="Fig. 6. AD, Isolapotamon feeae, new species. AD, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; EH, I. buntyae, new species, holotype male (43.6 × 32.7 mm) (NHM 2022.170), Ulu Dusun. A, E, left G1 (ventral view); B, F, distal part of left G1 (ventral view); C, G, distal part of left G1 (ventral view); D, H, left G2. Scales = 1.0 mm." pageId="6" pageNumber="556">6AD</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C370B799FF9CFFD85530F9870F67F928" pageId="6" pageNumber="556" type="materials_examined">
<paragraph id="8BD5E412FF9CFFD85530F98709E5F949" blockId="6.[113,753,1598,1783]" pageId="6" pageNumber="556">
<emphasis id="B91E3800FF9CFFD85530F9870A4FF9E9" bold="true" box="[113,335,1598,1622]" pageId="6" pageNumber="556">Material examined.</emphasis>
<collectingCountry id="F37DA482FF9CFFD85415F9870AB3F9E9" box="[340,435,1598,1622]" name="Malaysia" pageId="6" pageNumber="556">Sarawak</collectingCountry>
, Borneo,
<materialsCitation id="3B02EE4FFF9CFFD85756F9870AC9F928" collectionCode="NHM" collectorName="C. Hose." country="Malaysia" location="Baram River" pageId="6" pageNumber="556" specimenCount="2" typeStatus="holotype">
<collectingCountry id="F37DA482FF9CFFD85756F987097CF9E9" box="[535,636,1598,1622]" name="Malaysia" pageId="6" pageNumber="556">Malaysia</collectingCountry>
.
<typeStatus id="54D15AB0FF9CFFD857C4F98709ECF9E9" box="[645,748,1598,1622]" pageId="6" pageNumber="556" type="holotype">Holotype</typeStatus>
: male (45.0 ×
<quantity id="4C9249F7FF9CFFD85455F9E70A7EF9C9" box="[276,382,1630,1654]" metricMagnitude="-2" metricUnit="m" metricValue="3.42" pageId="6" pageNumber="556" unit="mm" value="34.2">34.2 mm</quantity>
) (
<collectionCode id="ED7B7CD7FF9CFFD854D9F9E70ADAF9C9" box="[408,474,1630,1654]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:14908" name="University of Nottingham" pageId="6" pageNumber="556" type="Herbarium">NHM</collectionCode>
1898.10.25.15),
<location id="8EB5B2C9FF9CFFD857E7F9E60BB0F929" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD857E7F9E60BB0F929" country="Malaysia" name="Baram River" pageId="6" pageNumber="556">Baram River</location>
, coll.
<collectorName id="269F81C4FF9CFFD855B4F9C70A54F929" box="[245,340,1662,1686]" pageId="6" pageNumber="556">C. Hose.</collectorName>
<typeStatus id="54D15AB0FF9CFFD8541CF9C60AC9F928" box="[349,457,1663,1687]" pageId="6" pageNumber="556" type="paratype">Paratypes</typeStatus>
</materialsCitation>
:
<specimenCount id="9D6C2F9BFF9CFFD85494F9C7091FF929" box="[469,543,1662,1686]" count="1" pageId="6" pageNumber="556" type="male">1 male</specimenCount>
(36.2 ×
<quantity id="4C9249F7FF9CFFD857C1F9C709E5F929" box="[640,741,1662,1686]" metricMagnitude="-2" metricUnit="m" metricValue="2.59" pageId="6" pageNumber="556" unit="mm" value="25.9">25.9 mm</quantity>
),
<materialsCitation id="3B02EE4FFF9CFFD85530F92709A6F969" collectingDate="1898-10-25" collectionCode="NHM" collectorName="C. Hose." country="Malaysia" location="Baram River" pageId="6" pageNumber="556" specimenCount="3" specimenCount-female="3" typeStatus="holotype">
<specimenCount id="9D6C2F9BFF9CFFD85530F9270BDBF909" box="[113,219,1694,1718]" count="3" pageId="6" pageNumber="556" type="female">3 females</specimenCount>
(49.3 ×
<quantity id="4C9249F7FF9CFFD8547FF9270AA2F909" box="[318,418,1694,1718]" metricMagnitude="-2" metricUnit="m" metricValue="3.67" pageId="6" pageNumber="556" unit="mm" value="36.7">36.7 mm</quantity>
, 44.3 ×
<quantity id="4C9249F7FF9CFFD85741F9270964F909" box="[512,612,1694,1718]" metricMagnitude="-2" metricUnit="m" metricValue="3.42" pageId="6" pageNumber="556" unit="mm" value="34.2">34.2 mm</quantity>
, 38.2 ×
<quantity id="4C9249F7FF9CFFD85780F9270B9CF969" metricMagnitude="-2" metricUnit="m" metricValue="2.87" pageId="6" pageNumber="556" unit="mm" value="28.7">28.7 mm</quantity>
) (
<collectionCode id="ED7B7CD7FF9CFFD855F2F9070BF3F969" box="[179,243,1726,1750]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:14908" name="University of Nottingham" pageId="6" pageNumber="556" type="Herbarium">NHM</collectionCode>
<date id="FFD4C2D2FF9CFFD855BAF9070A76F969" box="[251,374,1726,1750]" pageId="6" pageNumber="556" value="1898-10-25">
<collectingDate id="EF903B3AFF9CFFD855BAF9070A76F969" box="[251,374,1726,1750]" pageId="6" pageNumber="556" value="1898-10-25">1898.10.25</collectingDate>
</date>
. 16), same data as holotype
</materialsCitation>
;
<materialsCitation id="3B02EE4FFF9CFFD857F3F90709E2F949" collectingDate="1895-01" collectionCode="NHM" collectorName="C. Hose" country="Malaysia" location="Baram" pageId="6" pageNumber="556" specimenCount="1" typeStatus="holotype">
<specimenCount id="9D6C2F9BFF9CFFD857F3F90709F1F969" box="[690,753,1726,1750]" count="1" pageId="6" pageNumber="556" type="generic">1 juv.</specimenCount>
(
<collectionCode id="ED7B7CD7FF9CFFD85538F9670BB9F949" box="[121,185,1758,1782]" country="United Kingdom" lsid="urn:lsid:biocol.org:col:14908" name="University of Nottingham" pageId="6" pageNumber="556" type="Herbarium">NHM</collectionCode>
1895.7.2.34),
<location id="8EB5B2C9FF9CFFD85419F9660AA2F949" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD85419F9660AA2F949" box="[344,418,1759,1782]" country="Malaysia" name="Baram" pageId="6" pageNumber="556">Baram</location>
, coll.
<collectorName id="269F81C4FF9CFFD854A7F9670940F949" box="[486,576,1758,1782]" pageId="6" pageNumber="556">C. Hose</collectorName>
,
<date id="FFD4C2D2FF9CFFD8570CF96609E2F949" box="[589,738,1758,1783]" pageId="6" pageNumber="556" value="1895-01">
<collectingDate id="EF903B3AFF9CFFD8570CF96609E2F949" box="[589,738,1758,1783]" pageId="6" pageNumber="556" value="1895-01">January 1895</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
<paragraph id="8BD5E412FF9CFFD85530F8A70F67F928" blockId="6.[113,753,1822,2102]" lastBlockId="6.[812,1452,1501,1687]" pageId="6" pageNumber="556">
<emphasis id="B91E3800FF9CFFD85530F8A70A81F889" bold="true" box="[113,385,1822,1846]" pageId="6" pageNumber="556">Comparative material.</emphasis>
<taxonomicName id="4C6A9F91FF9CFFD854CAF8A70BC8F8E9" authority="Holthuis, 1979: 2" authorityName="Holthuis" authorityPageNumber="2" authorityYear="1979" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="556" phylum="Arthropoda" rank="species" species="collinsi">
<emphasis id="B91E3800FF9CFFD854CAF8A70980F889" box="[395,640,1822,1846]" italics="true" pageId="6" pageNumber="556">Isolapotamon collinsi</emphasis>
<materialsCitation id="3B02EE4FFF9CFFD857CBF8A70BC8F8E9" collectingDate="1991-02-08" collectingDateMax="1991-02-09" collectingDateMin="1991-02-08" collectionCode="ZRC" collectorName="S. Choy" country="Brunei" location="Kuala Belalong Field Centre" pageId="6" pageNumber="556" specimenCode="ZRC 1997.0792" specimenCount="3" specimenCount-female="1" specimenCount-male="2">
<bibRefCitation id="EFFB99E3FF9CFFD857CBF8A70BC8F8E9" author="Holthuis LB" pageId="6" pageNumber="556" pagination="3 - 47" refId="ref16129" refString="Holthuis LB (1979) Cavernicolous and terrestrial decapod crustacea from Northern Sarawak, Borneo. Zoologische Verhandelingen, 171: 3 - 47, pls. 1 - 8." type="journal article" year="1979">
Holthuis, 1979:
<specimenCount id="9D6C2F9BFF9CFFD855FAF8870BC8F8E9" box="[187,200,1854,1878]" count="2" pageId="6" pageNumber="556" type="male">2</specimenCount>
</bibRefCitation>
</materialsCitation>
</taxonomicName>
males (larger 44.4 ×
<quantity id="4C9249F7FF9CFFD85487F887092EF8E9" box="[454,558,1854,1878]" metricMagnitude="-2" metricUnit="m" metricValue="3.4799999999999995" pageId="6" pageNumber="556" unit="mm" value="34.8">34.8 mm</quantity>
),
<specimenCount id="9D6C2F9BFF9CFFD85704F88709A7F8E9" box="[581,679,1854,1878]" count="1" pageId="6" pageNumber="556" type="female">1 female</specimenCount>
(
<specimenCode id="DBCC4C69FF9CFFD857FBF8870BE8F8C9" collectionCode="ZRC" country="Singapore" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="6" pageNumber="556">ZRC 1997.0792</specimenCode>
), around
<location id="8EB5B2C9FF9CFFD85413F8E70993F8C9" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD85413F8E70993F8C9" box="[338,659,1886,1910]" country="Brunei" name="Kuala Belalong Field Centre" pageId="6" pageNumber="556">Kuala Belalong Field Centre</location>
,
<collectingCountry id="F37DA482FF9CFFD857E0F8E709EDF8C9" box="[673,749,1886,1910]" name="Brunei" pageId="6" pageNumber="556">Brunei</collectingCountry>
, coll.
<collectorName id="269F81C4FF9CFFD855E6F8C70BFFF829" box="[167,255,1918,1942]" pageId="6" pageNumber="556">S. Choy</collectorName>
,
<date id="FFD4C2D2FF9CFFD8544BF8C70AD8F829" box="[266,472,1918,1942]" pageId="6" pageNumber="556" value="1991-02-08" valueMax="1991-02-09" valueMin="1991-02-08">
<collectingDate id="EF903B3AFF9CFFD8544BF8C70AD8F829" box="[266,472,1918,1942]" pageId="6" pageNumber="556" value="1991-02-08" valueMax="1991-02-09" valueMin="1991-02-08">89 February 1991</collectingDate>
</date>
;
<materialsCitation id="3B02EE4FFF9CFFD854A2F8C709D8F869" collectingDate="1995-06-14" collectingDateMax="1995-06-17" collectingDateMin="1995-06-14" collectionCode="ZRC" collectorName="K. Lim" country="Brunei" location="Sungai Belalong" municipality="Kuala Belalong Field Centre" pageId="6" pageNumber="556" specimenCode="ZRC 1997.0793" specimenCount="4" specimenCount-juvenile="3" specimenCount-male="1" stateProvince="Temburong">
<specimenCount id="9D6C2F9BFF9CFFD854A2F8C7092DF829" box="[483,557,1918,1942]" count="1" pageId="6" pageNumber="556" type="male">1 male</specimenCount>
,
<specimenCount id="9D6C2F9BFF9CFFD85779F8C709ACF829" box="[568,684,1918,1942]" count="3" pageId="6" pageNumber="556" type="juvenile">3 juveniles</specimenCount>
(
<specimenCode id="DBCC4C69FF9CFFD857FAF8C70BE6F809" collectionCode="ZRC" country="Singapore" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="6" pageNumber="556">ZRC 1997.0793</specimenCode>
),
<collectingRegion id="49AE2AF0FF9CFFD855BAF8270A7AF809" box="[251,378,1950,1974]" country="Brunei" name="Temburong" pageId="6" pageNumber="556">Temburong</collectingRegion>
,
<location id="8EB5B2C9FF9CFFD854C7F827093CF809" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD854C7F827093CF809" box="[390,572,1950,1974]" country="Brunei" municipality="Kuala Belalong Field Centre" name="Sungai Belalong" pageId="6" pageNumber="556" stateProvince="Temburong">Sungai Belalong</location>
,
<collectingMunicipality id="6BB17E68FF9CFFD85709F8270BF8F869" pageId="6" pageNumber="556">Kuala Belalong Field Centre</collectingMunicipality>
,
<collectingCountry id="F37DA482FF9CFFD85443F8070A4DF869" box="[258,333,1982,2006]" name="Brunei" pageId="6" pageNumber="556">Brunei</collectingCountry>
, coll.
<collectorName id="269F81C4FF9CFFD854CCF8060AD9F869" box="[397,473,1982,2006]" pageId="6" pageNumber="556">K. Lim</collectorName>
et al.,
<date id="FFD4C2D2FF9CFFD85761F80709D8F869" box="[544,728,1982,2006]" pageId="6" pageNumber="556" value="1995-06-14" valueMax="1995-06-17" valueMin="1995-06-14">
<collectingDate id="EF903B3AFF9CFFD85761F80709D8F869" box="[544,728,1982,2006]" pageId="6" pageNumber="556" value="1995-06-14" valueMax="1995-06-17" valueMin="1995-06-14">1417 June 1995</collectingDate>
</date>
</materialsCitation>
;
<materialsCitation id="3B02EE4FFF9CFFD857A2F8070865F9A8" collectingDate="2001-10-06" collectingDateMax="2001-10-09" collectingDateMin="2001-10-06" collectionCode="ZRC" collectorName="H. H. Tan" country="Brunei" county="Belalong Basin" latitude="4.5473332" location="Kuala Belalong Field Centre" longLatPrecision="1" longitude="115.15767" municipality="Sungai Mata Ikan" pageId="6" pageNumber="556" specimenCode="ZRC 2008.0539" specimenCount="8" specimenCount-female="2" specimenCount-male="6" stateProvince="Temburong">
<specimenCount id="9D6C2F9BFF9CFFD857A2F8070BAFF849" count="6" pageId="6" pageNumber="556" type="male">6 males</specimenCount>
(largest 51.1 ×
<quantity id="4C9249F7FF9CFFD85410F8670AB2F849" box="[337,434,2014,2038]" metricMagnitude="-2" metricUnit="m" metricValue="3.92" pageId="6" pageNumber="556" unit="mm" value="39.2">39.2 mm</quantity>
),
<specimenCount id="9D6C2F9BFF9CFFD85482F8670929F849" box="[451,553,2014,2038]" count="2" pageId="6" pageNumber="556" type="female">2 females</specimenCount>
(
<specimenCode id="DBCC4C69FF9CFFD85774F86709E5F849" box="[565,741,2014,2038]" collectionCode="ZRC" country="Singapore" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="6" pageNumber="556">ZRC 2008.0539</specimenCode>
), just downstream of
<location id="8EB5B2C9FF9CFFD85413F8470997F7A9" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD85413F8470997F7A9" box="[338,663,2046,2070]" country="Brunei" county="Belalong Basin" latitude="4.5473332" longLatPrecision="1" longitude="115.15767" municipality="Sungai Mata Ikan" name="Kuala Belalong Field Centre" pageId="6" pageNumber="556" stateProvince="Temburong">Kuala Belalong Field Centre</location>
,
<collectingMunicipality id="6BB17E68FF9CFFD857E4F8470BE8F789" pageId="6" pageNumber="556">Sungai Mata Ikan</collectingMunicipality>
,
<collectingCounty id="62B49C9EFF9CFFD855B6F7A70AA6F789" box="[247,422,2078,2102]" pageId="6" pageNumber="556">Belalong Basin</collectingCounty>
,
<collectingRegion id="49AE2AF0FF9CFFD854F4F7A7098FF789" box="[437,655,2078,2102]" country="Brunei" name="Temburong" pageId="6" pageNumber="556">Temburong district</collectingRegion>
,
<collectingCountry id="F37DA482FF9CFFD857DFF7A709EBF789" box="[670,747,2078,2102]" name="Brunei" pageId="6" pageNumber="556">Brunei</collectingCountry>
,
<geoCoordinate id="EE5E82D5FF9CFFD8566CFA6408B1FA49" box="[813,945,1501,1526]" degrees="4" direction="north" minutes="32" orientation="latitude" pageId="6" pageNumber="556" precision="1" seconds="50.4" value="4.5473332">4º3250.4″N</geoCoordinate>
<geoCoordinate id="EE5E82D5FF9CFFD856FAFA640F59FA49" box="[955,1113,1501,1526]" degrees="115" direction="east" minutes="09" orientation="longitude" pageId="6" pageNumber="556" precision="1" seconds="27.6" value="115.15767">115º0927.6″E</geoCoordinate>
, coll.
<collectorName id="269F81C4FF9CFFD851E1FA660E15FA49" box="[1184,1301,1503,1526]" pageId="6" pageNumber="556">H. H. Tan</collectorName>
,
<date id="FFD4C2D2FF9CFFD85062FA670865F9A8" pageId="6" pageNumber="556" value="2001-10-06" valueMax="2001-10-09" valueMin="2001-10-06">
<collectingDate id="EF903B3AFF9CFFD85062FA670865F9A8" pageId="6" pageNumber="556" value="2001-10-06" valueMax="2001-10-09" valueMin="2001-10-06">69 October 2001</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B02EE4FFF9CFFD8562CFA470F63F928" collectingDate="2002-06-17" collectionCode="ZRC" collectorName="H. H. Tan &amp; I. Das" country="Malaysia" county="Baram Basin" elevation="1110" latitude="3.7589166" location="Arur Dalan" longLatPrecision="1" longitude="115.44111" municipality="Bario Plateau" pageId="6" pageNumber="556" specimenCode="ZRC 2022.0781" specimenCount="10" specimenCount-juvenile="4" specimenCount-male="6">
<taxonomicName id="4C6A9F91FF9CFFD8562CFA470E61F9A9" authority="Ng &amp; SH Tan, 1998: 6" authorityName="Ng &amp; SH Tan" authorityPageNumber="6" authorityYear="1998" box="[877,1377,1534,1559]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="556" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF9CFFD8562CFA470F71F9A9" box="[877,1137,1534,1558]" italics="true" pageId="6" pageNumber="556">Isolapotamon borneense</emphasis>
<bibRefCitation id="EFFB99E3FF9CFFD85136FA460E61F9A9" author="Tan SH &amp; Ng PKL" box="[1143,1377,1534,1559]" pageId="6" pageNumber="556" pagination="808 - 822" refId="ref20326" refString="Tan SH &amp; Ng PKL (1998) Revision of the genus Thelphusula (Decapoda: Brachyura: Gecarcinucidae) with description of a new genus and three new species. Journal of Crustacean Biology, 18 (4): 808 - 822." type="journal article" year="1998">
Ng &amp; SH Tan, 1998:
<specimenCount id="9D6C2F9BFF9CFFD85015FA470E61F9A9" box="[1364,1377,1534,1558]" count="6" pageId="6" pageNumber="556" type="male">6</specimenCount>
</bibRefCitation>
</taxonomicName>
males,
<specimenCount id="9D6C2F9BFF9CFFD8566CF9A6089DF989" box="[813,925,1566,1591]" count="4" pageId="6" pageNumber="556" type="juvenile">4 juveniles</specimenCount>
(
<specimenCode id="DBCC4C69FF9CFFD856E8F9A60F56F988" box="[937,1110,1567,1591]" collectionCode="ZRC" country="Singapore" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="6" pageNumber="556">ZRC 2022.0781</specimenCode>
), station THH02-33,
<location id="8EB5B2C9FF9CFFD8506EF9A60EA7F989" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD8506EF9A60EA7F989" box="[1327,1447,1566,1591]" country="Malaysia" county="Baram Basin" latitude="3.7589166" longLatPrecision="1" longitude="115.44111" municipality="Bario Plateau" name="Arur Dalan" pageId="6" pageNumber="556">Arur Dalan</location>
,
<location id="8EB5B2C9FF9CFFD8566DF98708FDF9E9" LSID="urn:lsid:plazi:treatment:03C35504FF9CFFD455BBFA670A29FCAA:8EB5B2C9FF9CFFD8566DF98708FDF9E9" box="[812,1021,1598,1623]" country="Malaysia" county="Baram Basin" latitude="3.7589166" longLatPrecision="1" longitude="115.44111" municipality="Bario Plateau" name="Sungai Arur Dalan" pageId="6" pageNumber="556">Sungai Arur Dalan</location>
,
<collectingMunicipality id="6BB17E68FF9CFFD8514BF9870F9FF9E9" box="[1034,1183,1598,1622]" pageId="6" pageNumber="556">Bario Plateau</collectingMunicipality>
,
<collectingCounty id="62B49C9EFF9CFFD851EDF9860E3BF9E9" box="[1196,1339,1598,1622]" pageId="6" pageNumber="556">Baram Basin</collectingCounty>
, Sarawak,
<geoCoordinate id="EE5E82D5FF9CFFD8566CF9E408BDF9C9" box="[813,957,1629,1654]" degrees="03" direction="north" minutes="45" orientation="latitude" pageId="6" pageNumber="556" precision="1" seconds="32.1" value="3.7589166">03º4532.1″N</geoCoordinate>
<geoCoordinate id="EE5E82D5FF9CFFD85685F9E40F62F9C9" box="[964,1122,1629,1654]" degrees="115" direction="east" minutes="26" orientation="longitude" pageId="6" pageNumber="556" precision="1" seconds="28.0" value="115.44111">115º2628.0″E</geoCoordinate>
,
<collectingCountry id="F37DA482FF9CFFD8512CF9E70FD1F9C9" box="[1133,1233,1630,1654]" name="Malaysia" pageId="6" pageNumber="556">Malaysia</collectingCountry>
,
<quantity id="4C9249F7FF9CFFD8519DF9E60E2FF9C9" box="[1244,1327,1631,1655]" metricMagnitude="3" metricUnit="m" metricValue="1.1099999999999999" pageId="6" pageNumber="556" unit="m" value="1110.0">
<elevation id="00470321FF9CFFD8519DF9E60E2FF9C9" box="[1244,1327,1631,1655]" metricMagnitude="3" metricUnit="m" metricValue="1.1099999999999999" pageId="6" pageNumber="556" unit="m" value="1110.0">1110 m</elevation>
</quantity>
, coll.
<collectorName id="269F81C4FF9CFFD85031F9E60856F929" pageId="6" pageNumber="556">H. H. Tan</collectorName>
&amp;
<collectorName id="269F81C4FF9CFFD8563DF9C608C0F929" box="[892,960,1663,1686]" pageId="6" pageNumber="556">I. Das</collectorName>
,
<date id="FFD4C2D2FF9CFFD8568CF9C60F63F928" box="[973,1123,1663,1687]" pageId="6" pageNumber="556" value="2002-06-17">
<collectingDate id="EF903B3AFF9CFFD8568CF9C60F63F928" box="[973,1123,1663,1687]" pageId="6" pageNumber="556" value="2002-06-17">17 June 2002</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C370B799FF9CFFD6566CF9070F97F7BF" lastPageId="8" lastPageNumber="558" pageId="6" pageNumber="556" type="diagnosis">
<paragraph id="8BD5E412FF9CFFD6566CF90709A9F83F" blockId="6.[812,1452,1726,2103]" lastBlockId="8.[113,753,1831,1921]" lastPageId="8" lastPageNumber="558" pageId="6" pageNumber="556">
<emphasis id="B91E3800FF9CFFD8566CF90708A1F969" bold="true" box="[813,929,1726,1750]" pageId="6" pageNumber="556">Diagnosis.</emphasis>
Carapace wider than long, relatively low, dorsal surface of carapace gently convex to almost flat; epigastric cristae sharp, just anterior of postorbital cristae; postorbital cristae sharp, subparallel to front; median lobe of posterior margin of epistome acutely triangular (
<figureCitation id="1351F897FF9CFFD851AFF8870E6BF8E8" box="[1262,1387,1854,1879]" captionStart="Fig" captionStartId="7.[136,171,1946,1968]" captionTargetBox="[136,1474,276,1931]" captionTargetId="figure-8@7.[136,1474,276,1931]" captionTargetPageId="7" captionText="Fig. 2. Isolapotamon feeae, new species, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="6" pageNumber="556">Fig. 2AC</figureCitation>
). P2 P5 merus relatively long, dactylus of P5 long (
<figureCitation id="1351F897FF9CFFD85002F8E70EA6F8C8" box="[1347,1446,1886,1911]" captionStart="Fig" captionStartId="7.[136,171,1946,1968]" captionTargetBox="[136,1474,276,1931]" captionTargetId="figure-8@7.[136,1474,276,1931]" captionTargetPageId="7" captionText="Fig. 2. Isolapotamon feeae, new species, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="6" pageNumber="556">Figs. 2A</figureCitation>
,
<figureCitation id="1351F897FF9CFFD8566CF8C60848F828" box="[813,840,1919,1943]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="6" pageNumber="556">3I</figureCitation>
). Press-button of male pleonal locking mechanism on submedian part of sternite 5 (
<figureCitation id="1351F897FF9CFFD851F2F8270E11F808" box="[1203,1297,1950,1975]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="6" pageNumber="556">Fig. 3A</figureCitation>
). Male pleon subtriangular (
<figureCitation id="1351F897FF9CFFD85689F8070F39F868" box="[968,1081,1982,2007]" captionStart="Fig" captionStartId="7.[136,171,1946,1968]" captionTargetBox="[136,1474,276,1931]" captionTargetId="figure-8@7.[136,1474,276,1931]" captionTargetPageId="7" captionText="Fig. 2. Isolapotamon feeae, new species, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="6" pageNumber="556">Fig. 2F, G</figureCitation>
). G1 sinuous; subterminal segment relatively long, with basal part broad, forming subrectangular structure, distal part slender; terminal segment strongly sinuous, curved, terminal segment strongly curved, sinuous, distal part relatively elongate, lobiform, curved about 90
<emphasis id="B91E3800FF92FFD657A4F89E09F0F8FF" bold="true" box="[741,752,1831,1856]" pageId="8" pageNumber="558">°</emphasis>
from immediately preceding subdistal part, with distal margin distinctly sinuous, tip rounded (
<figureCitation id="1351F897FF92FFD6548AF8D0094DF83E" box="[459,589,1897,1921]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="8" pageNumber="558">Figs. 3DG</figureCitation>
,
<figureCitation id="1351F897FF92FFD65718F8D1099DF83F" box="[601,669,1896,1920]" captionStart="Fig" captionStartId="12.[113,148,1930,1952]" captionTargetBox="[106,1451,296,1917]" captionTargetId="figure-15@12.[95,1475,273,1932]" captionTargetPageId="12" captionText="Fig. 6. AD, Isolapotamon feeae, new species. AD, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; EH, I. buntyae, new species, holotype male (43.6 × 32.7 mm) (NHM 2022.170), Ulu Dusun. A, E, left G1 (ventral view); B, F, distal part of left G1 (ventral view); C, G, distal part of left G1 (ventral view); D, H, left G2. Scales = 1.0 mm." pageId="8" pageNumber="558">6AC</figureCitation>
).
</paragraph>
<caption id="DF15B49AFF9DFFD955C9F8230BEFF855" pageId="7" pageNumber="557" startId="7.[136,171,1946,1968]" targetBox="[136,1474,276,1931]" targetPageId="7" targetType="figure">
<paragraph id="8BD5E412FF9DFFD955C9F8230BEFF855" blockId="7.[136,1474,1946,2026]" pageId="7" pageNumber="557">
Fig. 2.
<taxonomicName id="4C6A9F91FF9DFFD9558EF8230A8EF810" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[207,398,1946,1967]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="557" phylum="Arthropoda" rank="species" species="feeae" status="sp. nov.">
<emphasis id="B91E3800FF9DFFD9558EF8230A8EF810" box="[207,398,1946,1967]" italics="true" pageId="7" pageNumber="557">Isolapotamon feeae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF9DFFD954DDF8220914F80F" box="[412,532,1946,1968]" pageId="7" pageNumber="557" rank="species">new species</taxonomicNameLabel>
, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon.
</paragraph>
</caption>
<caption id="DF15B49AFF92FFD65530F93C08B8F94E" pageId="8" pageNumber="558" startId="8.[113,148,1669,1691]" targetBox="[113,1451,189,1654]" targetPageId="8" targetType="figure">
<paragraph id="8BD5E412FF92FFD65530F93C08B8F94E" blockId="8.[113,1451,1669,1777]" pageId="8" pageNumber="558">
Fig. 3.
<taxonomicName id="4C6A9F91FF92FFD655F9F93C0A77F925" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[184,375,1669,1690]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="558" phylum="Arthropoda" rank="species" species="feeae" status="sp. nov.">
<emphasis id="B91E3800FF92FFD655F9F93C0A77F925" box="[184,375,1669,1690]" italics="true" pageId="8" pageNumber="558">Isolapotamon feeae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF92FFD654C4F93C0AFCF924" box="[389,508,1669,1691]" pageId="8" pageNumber="558" rank="species">new species</taxonomicNameLabel>
. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale.
</paragraph>
</caption>
<paragraph id="8BD5E412FF92FFD65530F8100F97F7BF" blockId="8.[113,752,1960,2081]" lastBlockId="8.[813,1452,1832,2048]" pageId="8" pageNumber="558">
<emphasis id="B91E3800FF92FFD65530F8100A7AF87F" bold="true" box="[113,378,1960,1985]" pageId="8" pageNumber="558">Females and variation.</emphasis>
The smaller males of this species in which the gonopods are developed are almost identical to the
<typeStatus id="54D15AB0FF92FFD655FFF8500A1FF7BE" box="[190,287,2025,2049]" pageId="8" pageNumber="558" type="holotype">holotype</typeStatus>
male, with the G1 structure agreeing in structure. The females agree with the males in all nonsexual characters except that their chelipeds are relatively more slender. The female pleon is ovate and covers most of the thoracic sternum and the telson is almost semicircular (
<figureCitation id="1351F897FF92FFD65674F831088BF81F" box="[821,907,1928,1952]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="8" pageNumber="558">Fig. 3B</figureCitation>
). The vulvae are large, occupying more than half width of sternite 6, with the anterior margin pushing into the suture between sternites 5 and 6, and the posterior margin possessing a low ridge (
<figureCitation id="1351F897FF92FFD65175F8510F8AF7BF" box="[1076,1162,2024,2048]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="8" pageNumber="558">Fig. 3C</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF15B49AFF93FFD755C9F92E0EC3F975" pageId="9" pageNumber="559" startId="9.[136,171,1687,1709]" targetBox="[136,1474,189,1672]" targetPageId="9" targetType="figure">
<paragraph id="8BD5E412FF93FFD755C9F92E0EC3F975" blockId="9.[136,1475,1687,1738]" pageId="9" pageNumber="559">
Fig. 4.
<taxonomicName id="4C6A9F91FF93FFD7558AF92E0AA1F913" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[203,417,1687,1708]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="559" phylum="Arthropoda" rank="species" species="buntyae" status="sp. nov.">
<emphasis id="B91E3800FF93FFD7558AF92E0AA1F913" box="[203,417,1687,1708]" italics="true" pageId="9" pageNumber="559">Isolapotamon buntyae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF93FFD754EDF9210922F912" box="[428,546,1687,1709]" pageId="9" pageNumber="559" rank="species">new species</taxonomicNameLabel>
, holotype male (43.6 × 32.7 mm) (NHM 2022.170), Ulu Dusun. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon.
</paragraph>
</caption>
<subSubSection id="C370B799FF93FFD755C9F8B80808F8E6" pageId="9" pageNumber="559" type="etymology">
<paragraph id="8BD5E412FF93FFD755C9F8B80808F8E6" blockId="9.[136,776,1793,1881]" pageId="9" pageNumber="559">
<emphasis id="B91E3800FF93FFD755C9F8B80A09F8A6" bold="true" box="[136,265,1793,1817]" pageId="9" pageNumber="559">Etymology.</emphasis>
This new species is named for Félice “Fee” Vera Slade whose “enthusiasm, energy and keen eyesight during fieldwork” is recognised here (see information on collectors).
</paragraph>
</subSubSection>
<subSubSection id="C370B799FF93FFD455C9F8380A29FCAA" lastPageId="10" lastPageNumber="560" pageId="9" pageNumber="559" type="discussion">
<paragraph id="8BD5E412FF93FFD755C9F8380F6EF7A6" blockId="9.[136,775,1921,2073]" lastBlockId="9.[835,1474,1793,2073]" pageId="9" pageNumber="559">
<emphasis id="B91E3800FF93FFD755C9F8380BF7F826" bold="true" box="[136,247,1921,1945]" pageId="9" pageNumber="559">Remarks.</emphasis>
Two
<taxonomicName id="4C6A9F91FF93FFD75478F8380921F826" box="[313,545,1921,1945]" pageId="9" pageNumber="559">
<emphasis id="B91E3800FF93FFD75478F8380ACCF826" box="[313,460,1921,1945]" italics="true" pageId="9" pageNumber="559">Isolapotamon</emphasis>
species
</taxonomicName>
are known from and around Baram;
<taxonomicName id="4C6A9F91FF93FFD75468F81B092DF806" authority="Holthuis, 1979" authorityName="Holthuis" authorityYear="1979" box="[297,557,1953,1977]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="559" phylum="Arthropoda" rank="species" species="collinsi">
<emphasis id="B91E3800FF93FFD75468F81B0A8CF806" box="[297,396,1953,1977]" italics="true" pageId="9" pageNumber="559">I. collinsi</emphasis>
<bibRefCitation id="EFFB99E3FF93FFD754D0F818092DF806" author="Holthuis LB" box="[401,557,1953,1977]" pageId="9" pageNumber="559" pagination="3 - 47" refId="ref16129" refString="Holthuis LB (1979) Cavernicolous and terrestrial decapod crustacea from Northern Sarawak, Borneo. Zoologische Verhandelingen, 171: 3 - 47, pls. 1 - 8." type="journal article" year="1979">Holthuis, 1979</bibRefCitation>
</taxonomicName>
(from Gunung Mulu National Park and
<collectingCountry id="F37DA482FF93FFD75412F8780A9DF866" box="[339,413,1985,2009]" name="Brunei" pageId="9" pageNumber="559">Brunei</collectingCountry>
) and
<taxonomicName id="4C6A9F91FF93FFD7549AF87B0BBDF846" authority="Ng &amp; SH Tan, 1998" authorityName="Ng &amp; SH Tan" authorityYear="1998" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="559" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF93FFD7549AF87B0960F866" box="[475,608,1985,2009]" italics="true" pageId="9" pageNumber="559">I. borneense</emphasis>
<bibRefCitation id="EFFB99E3FF93FFD75729F87B0BBDF846" author="Tan SH &amp; Ng PKL" pageId="9" pageNumber="559" pagination="808 - 822" refId="ref20326" refString="Tan SH &amp; Ng PKL (1998) Revision of the genus Thelphusula (Decapoda: Brachyura: Gecarcinucidae) with description of a new genus and three new species. Journal of Crustacean Biology, 18 (4): 808 - 822." type="journal article" year="1998">Ng &amp; SH Tan, 1998</bibRefCitation>
</taxonomicName>
(from upper Baram) (cf.
<bibRefCitation id="EFFB99E3FF93FFD75487F8580966F846" author="Holthuis LB" box="[454,614,2017,2041]" pageId="9" pageNumber="559" pagination="3 - 47" refId="ref16129" refString="Holthuis LB (1979) Cavernicolous and terrestrial decapod crustacea from Northern Sarawak, Borneo. Zoologische Verhandelingen, 171: 3 - 47, pls. 1 - 8." type="journal article" year="1979">Holthuis, 1979</bibRefCitation>
;
<bibRefCitation id="EFFB99E3FF93FFD75731F85B0BC1F7A6" author="Tan SH &amp; Ng PKL" pageId="9" pageNumber="559" pagination="808 - 822" refId="ref20326" refString="Tan SH &amp; Ng PKL (1998) Revision of the genus Thelphusula (Decapoda: Brachyura: Gecarcinucidae) with description of a new genus and three new species. Journal of Crustacean Biology, 18 (4): 808 - 822." type="journal article" year="1998">Ng &amp; SH Tan, 1998</bibRefCitation>
; Grinang et al., 2014).
<taxonomicName id="4C6A9F91FF93FFD75489F7B809D3F7A6" authorityName="Ng &amp; SH Tan" authorityYear="1998" box="[456,723,2049,2073]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="559" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF93FFD75489F7B809D3F7A6" box="[456,723,2049,2073]" italics="true" pageId="9" pageNumber="559">Isolapotamon borneense</emphasis>
</taxonomicName>
was described from an unknown site in
<collectingCountry id="F37DA482FF93FFD751FFF8B80E1DF8A6" box="[1214,1309,1793,1817]" name="Malaysia" pageId="9" pageNumber="559">Sarawak</collectingCountry>
, but Grinang et al. (2014) confirmed that the species was from the Pulong Tai National Park area on the eastern drainage of the Baram River. The locality data for the new species,
<taxonomicName id="4C6A9F91FF93FFD75074F8DB0E85F8C6" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[1333,1413,1889,1913]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="559" phylum="Arthropoda" rank="species" species="feeae" status="new species">
<emphasis id="B91E3800FF93FFD75074F8DB0E85F8C6" box="[1333,1413,1889,1913]" italics="true" pageId="9" pageNumber="559">I. feeae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF93FFD750D7F8DB0893F826" pageId="9" pageNumber="559" rank="species">new species</taxonomicNameLabel>
, is not detailed, but as it is a different species, it was likely to have been collected from the western catchment of the Baram River which drains from a different mountain range. More collections in that area will need to be made to confirm this supposition.
</paragraph>
<paragraph id="8BD5E412FF90FFD45530FF070A38FD2A" blockId="10.[113,753,189,661]" pageId="10" pageNumber="560">
Not unexpectedly, the species closest to
<taxonomicName id="4C6A9F91FF90FFD45755FF070960FF6A" authorityName="Ng &amp; &amp; Clark &amp; Paul F." authorityYear="2022" box="[532,608,189,213]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="feeae" status="new species">
<emphasis id="B91E3800FF90FFD45755FF070960FF6A" box="[532,608,189,213]" italics="true" pageId="10" pageNumber="560">I. feeae</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A22D857BFF90FFD4572DFF0709ECFF6A" box="[620,748,189,213]" pageId="10" pageNumber="560" rank="species">new species</taxonomicNameLabel>
, is
<taxonomicName id="4C6A9F91FF90FFD455C9FF670A08FF4A" authorityName="Ng &amp; SH Tan" authorityYear="1998" box="[136,264,221,245]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF90FFD455C9FF670A08FF4A" box="[136,264,221,245]" italics="true" pageId="10" pageNumber="560">I. borneense</emphasis>
</taxonomicName>
, which occurs in the eastern drainage of Baram River (Grinang et al., 2014). The G1 of
<taxonomicName id="4C6A9F91FF90FFD4576CFF47097EFEAA" box="[557,638,253,277]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="feeae">
<emphasis id="B91E3800FF90FFD4576CFF47097EFEAA" box="[557,638,253,277]" italics="true" pageId="10" pageNumber="560">I. feeae</emphasis>
</taxonomicName>
, however, differs markedly from that of
<taxonomicName id="4C6A9F91FF90FFD454F0FEA70936FE8A" authorityName="Ng &amp; SH Tan" authorityYear="1998" box="[433,566,285,309]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF90FFD454F0FEA70936FE8A" box="[433,566,285,309]" italics="true" pageId="10" pageNumber="560">I. borneense</emphasis>
</taxonomicName>
in having the G1 subterminal segment proportionately longer, the terminal segment more strongly curved and sinuous, and the distal part of the terminal segment more elongate with the distal margin distinctly sinuous (
<figureCitation id="1351F897FF90FFD454DAFE240920FE0A" box="[411,544,413,437]" captionStart="Fig" captionStartId="8.[113,148,1669,1691]" captionTargetBox="[113,1451,189,1654]" captionTargetId="figure-15@8.[113,1451,189,1654]" captionTargetPageId="8" captionText="Fig. 3. Isolapotamon feeae, new species. A, DI, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; B, C, paratype female (49.3 × 36.7 mm) (NHM 98.10.25.15/10), Baram River. A, sternopleonal cavity and gonopods in situ; B, female pleon; C, female sternopleonal cavity and vulvae; D, left G1 (ventral view); E, left G1 (dorsal view); F, distal part of left G1 (ventral view); G, distal part of left G1 (ventral view); H, left G2; I, right P5 merus. D, E, H; F, G, to same scale." pageId="10" pageNumber="560">Figs. 3DG</figureCitation>
,
<figureCitation id="1351F897FF90FFD4576FFE240970FE0A" box="[558,624,413,437]" captionStart="Fig" captionStartId="12.[113,148,1930,1952]" captionTargetBox="[106,1451,296,1917]" captionTargetId="figure-15@12.[95,1475,273,1932]" captionTargetPageId="12" captionText="Fig. 6. AD, Isolapotamon feeae, new species. AD, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River; EH, I. buntyae, new species, holotype male (43.6 × 32.7 mm) (NHM 2022.170), Ulu Dusun. A, E, left G1 (ventral view); B, F, distal part of left G1 (ventral view); C, G, distal part of left G1 (ventral view); D, H, left G2. Scales = 1.0 mm." pageId="10" pageNumber="560">6AC</figureCitation>
) (cf.
<bibRefCitation id="EFFB99E3FF90FFD457F0FE270A0BFE6A" author="Tan SH &amp; Ng PKL" pageId="10" pageNumber="560" pagination="808 - 822" refId="ref20326" refString="Tan SH &amp; Ng PKL (1998) Revision of the genus Thelphusula (Decapoda: Brachyura: Gecarcinucidae) with description of a new genus and three new species. Journal of Crustacean Biology, 18 (4): 808 - 822." type="journal article" year="1998">Ng &amp; SH Tan, 1998</bibRefCitation>
: fig. 1MP; Grinang et al., 2014: figs. 3AD, E, GI, J, LM). Noteworthy is that the carapace of
<taxonomicName id="4C6A9F91FF90FFD457E0FE6709F0FE4A" box="[673,752,477,501]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="feeae">
<emphasis id="B91E3800FF90FFD457E0FE6709F0FE4A" box="[673,752,477,501]" italics="true" pageId="10" pageNumber="560">I. feeae</emphasis>
</taxonomicName>
is distinctly wider proportionately;
<figureCitation id="1351F897FF90FFD454ADFE44095EFDAA" box="[492,606,509,533]" captionStart="Fig" captionStartId="7.[136,171,1946,1968]" captionTargetBox="[136,1474,276,1931]" captionTargetId="figure-8@7.[136,1474,276,1931]" captionTargetPageId="7" captionText="Fig. 2. Isolapotamon feeae, new species, holotype male (45.0 × 34.2 mm) (NHM 98.10.25.15/10), Baram River. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="10" pageNumber="560">Fig. 2A, B</figureCitation>
(vs. carapace more quadrate in
<taxonomicName id="4C6A9F91FF90FFD4547AFDA70AC6FD8A" authorityName="Ng &amp; SH Tan" authorityYear="1998" box="[315,454,541,565]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF90FFD4547AFDA70AC6FD8A" box="[315,454,541,565]" italics="true" pageId="10" pageNumber="560">I. borneense</emphasis>
</taxonomicName>
; Grinang et al., 2014: fig. 2AC), and the P2P5 meri are distinctly longer;
<figureCitation id="1351F897FF90FFD457E4FD8409F1FDEA" box="[677,753,573,597]" captionStart="Fig" captionStartId="9.[136,171,1687,1709]" captionTargetBox="[136,1474,189,1672]" captionTargetId="figure-7@9.[136,1474,189,1672]" captionTargetPageId="9" captionText="Fig. 4. Isolapotamon buntyae, new species, holotype male (43.6 × 32.7 mm) (NHM 2022.170), Ulu Dusun. A, overall dorsal view; B, dorsal view of carapace; C, frontal view of cephalothorax; D, chelae; E, left third maxilliped; F, pleon; G, anterior thoracic sternum and pleon." pageId="10" pageNumber="560">Fig. 4I</figureCitation>
(vs. meri are distinctly shorter in
<taxonomicName id="4C6A9F91FF90FFD454A4FDE7096CFDCA" authorityName="Ng &amp; SH Tan" authorityYear="1998" box="[485,620,605,629]" class="Malacostraca" family="Potamidae" genus="Isolapotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="560" phylum="Arthropoda" rank="species" species="borneense">
<emphasis id="B91E3800FF90FFD454A4FDE7096CFDCA" box="[485,620,605,629]" italics="true" pageId="10" pageNumber="560">I. borneense</emphasis>
</taxonomicName>
; Grinang et al., 2014: fig. 2F).
</paragraph>
<paragraph id="8BD5E412FF90FFD45530FD040A29FCAA" blockId="10.[113,752,701,790]" pageId="10" pageNumber="560">
One small juvenile specimen (NHM 1895.7.2.34) from Baram is referred to this species only because it was collected from the
<typeStatus id="54D15AB0FF90FFD455DAFD470BC9FCA9" box="[155,201,766,790]" pageId="10" pageNumber="560">type</typeStatus>
locality.
</paragraph>
</subSubSection>
</treatment>
</document>