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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1166.101737" ID-Pensoft-Pub="1313-2970-1166-155" ID-Pensoft-UUID="ED9A0448107D51E09AB0C08637F51AED" ID-ZooBank="7BCF174DE33549B297994F7E99D01FB7" ModsDocID="1313-2970-1166-155" checkinTime="1686259407639" checkinUser="pensoft" docAuthor="Lu, Yuan-Biao, Zhang, Yi-Xuan &amp; Zou, Jie-Xin" docDate="2023" docId="67C45D865B9A5924A67F0302904ED4F6" docLanguage="en" docName="ZooKeys 1166: 155-173" docOrigin="ZooKeys 1166" docPubDate="2023-06-08" docSource="http://dx.doi.org/10.3897/zookeys.1166.101737" docTitle="Sinolapotamon anacoluthon" docType="treatment" docVersion="1" id="ED9A0448107D51E09AB0C08637F51AED" lastPageNumber="155" masterDocId="ED9A0448107D51E09AB0C08637F51AED" masterDocTitle="The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai &amp; Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China" masterLastPageNumber="173" masterPageNumber="155" pageNumber="155" updateTime="1686259407639" updateUser="pensoft">
<mods:mods id="C465A22575840FCD8EF540B3FD03C264" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="86DD7074519038EAAACCA436450252C3">
<mods:title id="C59165E959EF10E16B2235D4D56758B6">The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai &amp; Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China</mods:title>
</mods:titleInfo>
<mods:name id="96A6D12A95EC8932EBFB324034562387" type="personal">
<mods:role id="1F15F991335A5C08B7A6824E3EAC4283">
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</mods:role>
<mods:namePart id="EEA8AB8BEF2148B88E44E8F7147646EA">Lu, Yuan-Biao</mods:namePart>
<mods:affiliation id="21C33BA0E297A438564DFA0539DF7EFA">Research Laboratory of Freshwater Crustacean Decapoda &amp; Paragonimus, School of Basic Medical Sciences, Nanchang University, Nanchang City, Jiangxi Province, China</mods:affiliation>
</mods:name>
<mods:name id="FF8AF8AB0048FAC51A3FDE6020D72E4E" type="personal">
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</mods:role>
<mods:namePart id="C1DB339F67FC257EAD7C44FFDB8E30DF">Zhang, Yi-Xuan</mods:namePart>
<mods:affiliation id="28D2F7F613782EF72ADBDDD6F578D77C">Research Laboratory of Freshwater Crustacean Decapoda &amp; Paragonimus, School of Basic Medical Sciences, Nanchang University, Nanchang City, Jiangxi Province, China</mods:affiliation>
</mods:name>
<mods:name id="48A973A2062A9280730793481E93E336" type="personal">
<mods:role id="D34DD45E0C044D40D48C8F2E1BD240FB">
<mods:roleTerm id="03570CA3FBAC3F90D5C6239B66D0BD3D">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="1C8E69DE960826F07C54718F65C541ED">Zou, Jie-Xin</mods:namePart>
<mods:nameIdentifier id="120D1DE90C6D10487D4516C840935DCF" type="ORCID">https://orcid.org/0000-0002-5549-2167</mods:nameIdentifier>
<mods:affiliation id="E398446D81F11870354C3288402D38C5">Research Laboratory of Freshwater Crustacean Decapoda &amp; Paragonimus, School of Basic Medical Sciences, Nanchang University, Nanchang City, Jiangxi Province, China &amp; Jiangxi Provincial Key Laboratory of Experimental Animals, Nanchang City, Jiangxi Province, China</mods:affiliation>
<mods:nameIdentifier id="F215AC32E3E1D74144E5AE9960CC0884" type="email">jxzou@ncu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="91C51EB1DA7FB6BA2F0B064A060734FA">text</mods:typeOfResource>
<mods:relatedItem id="EC77A9E6A4B277D8226E5CD6D41ECC80" type="host">
<mods:titleInfo id="A8041F8E45FE1D2356B0D6D4289D0200">
<mods:title id="CABEA964962BB4AA4858848A017F2117">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="9DFC0F5AEBDFC002F97B729828FA98F5">
<mods:date id="5FD715EB6BEFACFA2C3A44E78E3D2078">2023</mods:date>
<mods:detail id="1BD7251333E1902C783251CC152CC6C0" type="pubDate">
<mods:number id="AB7142FF36A7D08595F50C92A77961A7">2023-06-08</mods:number>
</mods:detail>
<mods:detail id="97BFA7254E4C6888DEAD98C03A3D95E7" type="volume">
<mods:number id="B52BC149F9D5D6ABE17A8593B17DCB19">1166</mods:number>
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<mods:start id="FCF0E994E440FC75A9120183D2F5EB76">155</mods:start>
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<mods:location id="01C43948C34FAC99B0A3E67C00B86F0C">
<mods:url id="E87227A696BD0934335DC6331BD61FBE">http://dx.doi.org/10.3897/zookeys.1166.101737</mods:url>
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<mods:classification id="F75859515DDCAECA01657A95FFCBA81E">journal article</mods:classification>
<mods:identifier id="4BA750BCD834C1726DA1F6C6C30098FC" type="DOI">http://dx.doi.org/10.3897/zookeys.1166.101737</mods:identifier>
<mods:identifier id="0677378C2E569D1E0FFAA68C40B87926" type="Pensoft-Pub">1313-2970-1166-155</mods:identifier>
<mods:identifier id="4EFD655826DADC4AE7156B0761BE3A56" type="ZooBank">7BCF174DE33549B297994F7E99D01FB7</mods:identifier>
<mods:identifier id="3CE5B7D4172470ADC88C25DC8CA10A60" type="Pensoft-UUID">ED9A0448107D51E09AB0C08637F51AED</mods:identifier>
</mods:mods>
<treatment id="67C45D865B9A5924A67F0302904ED4F6" LSID="urn:lsid:plazi:treatment:67C45D865B9A5924A67F0302904ED4F6" httpUri="http://treatment.plazi.org/id/67C45D865B9A5924A67F0302904ED4F6" lastPageNumber="155" pageId="0" pageNumber="155">
<subSubSection id="DE8492A2E74708730B2B097C49C35A1B" pageId="0" pageNumber="155" type="nomenclature">
<paragraph id="1C47CB5E3CC19DDBA02408F45023AA31" pageId="0" pageNumber="155">
<taxonomicName id="82729BD1199092320E27C22FE4497354" LSID="67C45D86-5B9A-5924-A67F-0302904ED4F6" authority="(Kemp, 1918)" baseAuthorityName="Kemp" baseAuthorityYear="1918" class="Malacostraca" family="Potamidae" genus="Sinolapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinolapotamon anacoluthon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="anacoluthon">Sinolapotamon anacoluthon (Kemp, 1918)</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C27009EAD2279DA6A19B3F98E905E683" pageId="0" pageNumber="155" type="description">
<paragraph id="AD71F3E99CD5942F0B3E40EE347073A8" pageId="0" pageNumber="155">
<figureCitation id="B8D97D167F4D5603A90471B758EC9AA8" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">Figs 2</figureCitation>
<figureCitation id="A87A3FB16E7DF26757BB07DEDF6F5A36" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Left G 1 s (ventral view) of known species of Sinolapotamon A Sinolapotamon cirratum sp. nov., holotype (NCU MCP 434201) B S. patellifer (Yangshuo, NCU MCP 407301) C S. anacoluthon (Shenzhen, NCU MCP 434001) D S. auriculatum (Shanglin, NCU MCP 72301) E S. palmatum (Liuzhou, NCU MCP 415301)." figureDoi="10.3897/zookeys.1166.101737.figure7" httpUri="https://binary.pensoft.net/fig/861602" pageId="0" pageNumber="155">, 7C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="1563EA44F7A01CE616D038ED16F26523" pageId="0" pageNumber="155" type="reference_group">
<paragraph id="200AAC8ADFD929D1109863FC07C090AD" pageId="0" pageNumber="155">
<taxonomicName id="7854A0795031717C676102C98B8D09FF" authorityName="Kemp" authorityYear="1918" class="Malacostraca" family="Potamidae" genus="Potamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamon (Potamon) anacoluthon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="anacoluthon" subGenus="Potamon">Potamon (Potamon) anacoluthon</taxonomicName>
Kemp, 1918: 243, fig. 5.
</paragraph>
<paragraph id="83B23FB12997BF03775323FF2EF3CCFC" pageId="0" pageNumber="155">
<taxonomicName id="9706533B61635435ADECDC357E79A96D" baseAuthorityName="Kemp" baseAuthorityYear="1918" class="Malacostraca" family="Potamidae" genus="Cryptopotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopotamon anacoluthon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="anacoluthon">Cryptopotamon anacoluthon</taxonomicName>
Ng &amp; Dudgeon, 1992: 741, figs 3B, 4, 5. -
<bibRefCitation id="242BD6EDA109B4A0ED73E43CAFA2A15E" author="Ng, PKL" journalOrPublisher="Invertebrate Systematics" pageId="0" pageNumber="155" refId="B16" refString="Ng, PKL, Guinot, D, Davie, PJF, 2008. Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. The Raffles Bulletin of Zoology 17 (Supplement): 1-286." title="Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. The Raffles Bulletin of Zoology 17 (Supplement): 1 - 286." year="2008">Ng et al. 2008</bibRefCitation>
: 161 (list).
</paragraph>
<paragraph id="31E4D8CE7924BF719678515314042C1E" pageId="0" pageNumber="155">
<taxonomicName id="3FBE1397009AB68675C9B7820F607977" baseAuthorityName="Kemp" baseAuthorityYear="1918" class="Malacostraca" family="Potamidae" genus="Sinolapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinolapotamon anacoluthon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="anacoluthon">Sinolapotamon anacoluthon</taxonomicName>
Dai, 1999: 150, fig. 79.
</paragraph>
</subSubSection>
<subSubSection id="038D7B7229709D7F7746694320604807" pageId="0" pageNumber="155" type="materials_examined">
<paragraph id="45D154D866309D1217AFB533BFAA5473" pageId="0" pageNumber="155">Material examined.</paragraph>
<paragraph id="E10FF7086137D9FEDBFF3BEAA772ED4F" pageId="0" pageNumber="155">
<materialsCitation id="79BE78280EB900C744A93FD075D8213A" collectingDate="2022-07" collectorName="Sheng Yu" country="China" county="Yangtaishan Forest Park" latitude="22.6587" location="Shenzhen" longLatPrecision="7" longitude="113.9837" municipality="Yangtaishan Forest" specimenCount="4" specimenCount-male="4" stateProvince="Guangdong Province">
<collectingCountry id="C3B0C3543DCD02682F7E1510FCDAF555" name="China">China</collectingCountry>
•
<specimenCount id="B3F81E501CC6A10EB5CBBD32D0347C6F" type="male">4 ♂♂</specimenCount>
(18.40
<normalizedToken id="E781B5D24BC99C2815E6F2FDB57ED5C5" originalValue="×">x</normalizedToken>
<quantity id="08465E11E00920FF90C9BFA0679FCA88" metricMagnitude="-2" metricUnit="m" metricValue="1.634" unit="mm" value="16.34">16.34 mm</quantity>
, 20.26
<normalizedToken id="4E3A8C38A1107B9D20886EAEF2475458" originalValue="×">x</normalizedToken>
<quantity id="A9957963016F7F1454EB6E1B15F0F707" metricMagnitude="-2" metricUnit="m" metricValue="1.8399999999999999" unit="mm" value="18.4">18.40 mm</quantity>
, 21.64
<normalizedToken id="6BF5583321A0B4C3AB1EA1204ADAB3E5" originalValue="×">x</normalizedToken>
<quantity id="8AC179F244AAB5B89477D3DA4942EB6B" metricMagnitude="-2" metricUnit="m" metricValue="1.86" unit="mm" value="18.6">18.60 mm</quantity>
, 19.26
<normalizedToken id="3EE11ADDD72E7A79B8CDBE2F0E57ADC2" originalValue="×">x</normalizedToken>
<quantity id="3F0BEA2A55ED24487D03148761015F53" metricMagnitude="-2" metricUnit="m" metricValue="1.704" unit="mm" value="17.04">17.04 mm</quantity>
);
<collectingCounty id="81FC0A50453115C3611F678FC12CF316">
<collectingMunicipality id="968E3369FF4133AFC36324110A6CB008">Yangtaishan Forest</collectingMunicipality>
Park
</collectingCounty>
,
<location id="AAC93154F3748AE2DDF8C6F3B5740116" LSID="urn:lsid:plazi:treatment:67C45D865B9A5924A67F0302904ED4F6:AAC93154F3748AE2DDF8C6F3B5740116" country="China" county="Yangtaishan Forest Park" latitude="22.6587" longLatPrecision="7" longitude="113.9837" municipality="Yangtaishan Forest" name="Shenzhen" stateProvince="Guangdong Province">Shenzhen</location>
,
<collectingRegion id="F81C9BEC89A3BA110DDDCAC9FCBF2FDD" country="China" name="Guangdong">Guangdong Province</collectingRegion>
;
<geoCoordinate id="6E270ECBE468FE6E2DC856B14E2E85B8" degrees="22.6587" direction="north" orientation="latitude" precision="5" value="22.6587">22.6587°N</geoCoordinate>
,
<geoCoordinate id="7AC516C38C32B6C017683DB9E0E48F4B" degrees="113.9837" direction="east" orientation="longitude" precision="5" value="113.9837">113.9837°E</geoCoordinate>
;
<collectingDate id="24921FF8156C96AA660C3E30671B17C8" value="2022-07">July 2022</collectingDate>
;
<collectorName id="F82A82EE7FCA3DFD14D209D34F5E538D">Sheng Yu</collectorName>
leg.; NCU MCP 434001-434004
</materialsCitation>
•
<materialsCitation id="B35C010C4318A1FDF3D9AE85166457F2" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" collectorName="Sheng Yu" country="China" county="Yangtaishan Forest Park" latitude="22.6587" location="Shenzhen" longLatPrecision="7" longitude="113.9837" municipality="Yangtaishan Forest" specimenCount="1" specimenCount-male="1" stateProvince="Guangdong">
<specimenCount id="2E6592C932E3865208DC4C713DF7909F" type="male">1 ♂</specimenCount>
(25.84
<normalizedToken id="87DFD567FD0D1A6EE17700C73E6B2ED8" originalValue="×">x</normalizedToken>
<quantity id="BF2DC42573BE815F83C7BCD991037056" metricMagnitude="-2" metricUnit="m" metricValue="2.276" unit="mm" value="22.76">22.76 mm</quantity>
); same collection data as above; NCU MCP 434101
</materialsCitation>
•
<materialsCitation id="8BD966E5DD9A613EBD73BEB1A2876FC0" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" collectorName="Sheng Yu" country="China" county="Yangtaishan Forest Park" latitude="22.6587" location="Shenzhen" longLatPrecision="7" longitude="113.9837" municipality="Yangtaishan Forest" specimenCount="3" specimenCount-female="3" stateProvince="Guangdong">
<specimenCount id="4FD311DF191B7B1E655A8FAB6BB197B4" type="female">3 ♀♀</specimenCount>
(26.34
<normalizedToken id="A14946215DD0167F7DEC631B6A6EC796" originalValue="×">x</normalizedToken>
<quantity id="02DFC41529779C2F1CE43A6DCA674993" metricMagnitude="-2" metricUnit="m" metricValue="2.3579999999999997" unit="mm" value="23.58">23.58 mm</quantity>
, 28.84
<normalizedToken id="F0EADAD28B998905B0C9EF33A67F2FAF" originalValue="×">x</normalizedToken>
<quantity id="B1E457AA2AD9A02CBCF58BFF7A2DA8B3" metricMagnitude="-2" metricUnit="m" metricValue="2.4379999999999997" unit="mm" value="24.38">24.38 mm</quantity>
, 24.31
<normalizedToken id="7E2193489239EF113211C97EAFFA5058" originalValue="×">x</normalizedToken>
<quantity id="2C139A0ECA73FE91A965C8333151C390" metricMagnitude="-2" metricUnit="m" metricValue="2.0949999999999998" unit="mm" value="20.95">20.95 mm</quantity>
); same collection data as above; NCU MCP 434102-434104
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="E564AC8A3920F8500802CCF622CD2032" pageId="0" pageNumber="155" type="diagnosis">
<paragraph id="4F3CDE9786452ED7A536AAADB0EBBAFA" pageId="0" pageNumber="155">Diagnosis.</paragraph>
<paragraph id="399C0475D2A73FD8EF24962068BEBF10" pageId="0" pageNumber="155">
Carapace gently convex, regions indistinct. Cervical groove shallow, indistinct; H-shaped groove depressed and distinct (Fig.
<figureCitation id="01F4A35E995087A5A44F4A45A554EC0C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
). Epigastric cristae weak, postorbital cristae flat, indistinct. External orbital angle triangular, with about 5 small granules. Epibranchial tooth sharp, distinctly separated with external orbital angle by V-shaped gap. Anterolateral margin of carapace cristate, with about 12 granules (Fig.
<figureCitation id="814FEAD385EE47A3B0B3CB44F39D9A5C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
). Maxilliped 3 exopod reaching nearly 1/3 of merus length, with long flagellum (Fig.
<figureCitation id="B776838A0077E0ED46F51F70C439258E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2C</figureCitation>
). Chelipeds (pereiopod 1) strongly unequal (Fig.
<figureCitation id="DC659C976834A2BC842482EEDBD79BAF" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A, B, D</figureCitation>
). G1 slender, subterminal segment about 1.1 times as long as terminal segment; 2 lobes of terminal segment strongly unequal, dorsal lobe longitudinally extended, oval shaped, ventral lobe sharp and short, reaching 3/7 of terminal segment (Figs
<figureCitation id="74B4DA8C37223E7113E1EC750950C72A" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2E</figureCitation>
,
<figureCitation id="29E6BBABA4F79460730B5CDCAADA1DF3" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Left G 1 s (ventral view) of known species of Sinolapotamon A Sinolapotamon cirratum sp. nov., holotype (NCU MCP 434201) B S. patellifer (Yangshuo, NCU MCP 407301) C S. anacoluthon (Shenzhen, NCU MCP 434001) D S. auriculatum (Shanglin, NCU MCP 72301) E S. palmatum (Liuzhou, NCU MCP 415301)." figureDoi="10.3897/zookeys.1166.101737.figure7" httpUri="https://binary.pensoft.net/fig/861602" pageId="0" pageNumber="155">7C</figureCitation>
).
</paragraph>
<caption id="D4C1BEAB9AB068F9B9540B7507EDE39F" doi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155" start="Figure 2" startId="F2">
<paragraph id="93D89B62474E15B35F2D3E5395F2FDE5" pageId="0" pageNumber="155">
<emphasis id="E56CBA1056885846A310919C5F3DF64A" bold="true" pageId="0" pageNumber="155">Figure 2.</emphasis>
<taxonomicName id="C11928559800E66BBC5989B0EF9C2824" baseAuthorityName="Kemp" baseAuthorityYear="1918" class="Malacostraca" family="Potamidae" genus="Sinolapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinolapotamon anacoluthon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="anacoluthon">
<emphasis id="B3A8115EEC3E50F5E4BC652E7FE3580D" italics="true" pageId="0" pageNumber="155">Sinolapotamon anacoluthon</emphasis>
</taxonomicName>
, male (25.84
<normalizedToken id="A1662686A8C0FD0DB3CFE2545AE8250A" originalValue="×">x</normalizedToken>
22.76 mm) (NCU MCP 434101)
<emphasis id="CF2B9E6E652E66ACBAC5B05222138463" bold="true" pageId="0" pageNumber="155">A</emphasis>
overall dorsal habitus
<emphasis id="91BB89AFFB34C1D17CC1EC8CD2C7B11A" bold="true" pageId="0" pageNumber="155">B</emphasis>
overall ventral habitus
<emphasis id="3090AC17B9D2386A5F1AB308339F0A55" bold="true" pageId="0" pageNumber="155">C</emphasis>
frontal view of cephalothorax
<emphasis id="7D1F27C9E65AB92693B277DE563D43C2" bold="true" pageId="0" pageNumber="155">D</emphasis>
outer view of chelipeds
<emphasis id="645195DE281AF80665CA2DF40A5EBB4B" bold="true" pageId="0" pageNumber="155">E</emphasis>
sternopleonal cavity with G1. Scale bars: 1 cm.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="9D7F3B51CEC15FBB230AA8C29CED2179" pageId="0" pageNumber="155" type="ecology">
<paragraph id="08D05EC60640CA774A4AE56755CF3484" pageId="0" pageNumber="155">Ecology.</paragraph>
<paragraph id="5DB716EAD527E7FFB9D7057A1F81B78C" pageId="0" pageNumber="155">The species is usually inhabiting the clear hill streams at an altitude below 50 m. Stones could serve as shelter and leaf mould could serve as food (Dai, 1999).</paragraph>
</subSubSection>
<subSubSection id="6E74587AA0C058173F61E93F45F9C4B1" pageId="0" pageNumber="155" type="distribution">
<paragraph id="31D52247587489AB5BCCA230C45AF610" pageId="0" pageNumber="155">Distribution.</paragraph>
<paragraph id="F8A064AA58306045458369FB2B67A6CD" pageId="0" pageNumber="155">China: Shenzhen of Guangdong Province (present record) and Hong Kong.</paragraph>
</subSubSection>
<subSubSection id="B066A94887CE7AB0341D6566C4DABAB1" pageId="0" pageNumber="155" type="remarks">
<paragraph id="D99F8F233BCDB6DDC8683DC439F7F013" pageId="0" pageNumber="155">Remarks.</paragraph>
<paragraph id="E350E646E1CF3870F41F86DBAE07BD06" pageId="0" pageNumber="155">
The specimens from Shenzhen, with gently convex dorsal surface of carapace, indistinct postorbital cristae, sharp epibranchial tooth, unequal lobes of the terminal segment of the G1 (Fig.
<figureCitation id="F2A3959891A4C87B1CF3FA6FEF981E03" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2</figureCitation>
), and other characteristics, agree well with the descriptions and illustrations in
<bibRefCitation id="B92A7C9731E4DE5656A6CDDE1D9F8989" DOI="https://doi.org/10.1071/IT9920741" author="Ng, PKL" journalOrPublisher="Invertebrate Systematics" pageId="0" pageNumber="155" pagination="741 - 768" refId="B15" refString="Ng, PKL, Dudgeon, D, 1992. The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong. Invertebrate Systematics 6 (3): 741 - 768, DOI: https://doi.org/10.1071/IT9920741" title="The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong." url="https://doi.org/10.1071/IT9920741" volume="6" year="1992">Ng and Dudgeon (1992)</bibRefCitation>
and
<bibRefCitation id="E0BB3219FD5D029D7852C967DFEB7179" author="Dai, AY" journalOrPublisher="Science Press, Beijing" pageId="0" pageNumber="155" refId="B7" refString="Dai, AY, 1999. Fauna Sinica (Arthropoda. Crustacea. Malacostraca. Decapoda. Parathelphusicae. Potamidae). Science Press, Beijing" title="Fauna Sinica (Arthropoda. Crustacea. Malacostraca. Decapoda. Parathelphusicae. Potamidae)." year="1999">Dai (1999)</bibRefCitation>
. The ratio of the subterminal segment to the terminal segment of G1 calculated in this study is 1.1 (Fig.
<figureCitation id="C019D842DCCB86BB8130541D1C815814" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Left G 1 s (ventral view) of known species of Sinolapotamon A Sinolapotamon cirratum sp. nov., holotype (NCU MCP 434201) B S. patellifer (Yangshuo, NCU MCP 407301) C S. anacoluthon (Shenzhen, NCU MCP 434001) D S. auriculatum (Shanglin, NCU MCP 72301) E S. palmatum (Liuzhou, NCU MCP 415301)." figureDoi="10.3897/zookeys.1166.101737.figure7" httpUri="https://binary.pensoft.net/fig/861602" pageId="0" pageNumber="155">7C</figureCitation>
), which is equal to that in
<bibRefCitation id="7FD63D4B36B1BC92396A5A99E5C383E1" author="Dai, AY" journalOrPublisher="Science Press, Beijing" pageId="0" pageNumber="155" refId="B7" refString="Dai, AY, 1999. Fauna Sinica (Arthropoda. Crustacea. Malacostraca. Decapoda. Parathelphusicae. Potamidae). Science Press, Beijing" title="Fauna Sinica (Arthropoda. Crustacea. Malacostraca. Decapoda. Parathelphusicae. Potamidae)." year="1999">Dai (1999)</bibRefCitation>
and slightly smaller than that in
<bibRefCitation id="933027E98D39F3203BCFD1E5378ACAFB" DOI="https://doi.org/10.1071/IT9920741" author="Ng, PKL" journalOrPublisher="Invertebrate Systematics" pageId="0" pageNumber="155" pagination="741 - 768" refId="B15" refString="Ng, PKL, Dudgeon, D, 1992. The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong. Invertebrate Systematics 6 (3): 741 - 768, DOI: https://doi.org/10.1071/IT9920741" title="The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong." url="https://doi.org/10.1071/IT9920741" volume="6" year="1992">Ng and Dudgeon (1992)</bibRefCitation>
(1.17). Although the specimens are not from Hong Kong, they could still be determined as
<taxonomicName id="A35BE5EC919DF8BD38D4B8D0B7C8E3BB" lsidName="S. anacoluthon" pageId="0" pageNumber="155" rank="species" species="anacoluthon">
<emphasis id="6CC4FD45807D7E3C9D7F9B47FB8EC371" italics="true" pageId="0" pageNumber="155">S. anacoluthon</emphasis>
</taxonomicName>
based on morphological examination and the proximity of their collection site to Hong Kong (Fig.
<figureCitation id="F4F8D181DFAD8C96CE891FA9C95E8E05" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Map showing collection sites of Sinolapotamon used in this study and the known collection sites of Cryptopotamon anacoluthon. Part of the studied region (Shenzhen and Hong Kong) is enlarged." figureDoi="10.3897/zookeys.1166.101737.figure1" httpUri="https://binary.pensoft.net/fig/861596" pageId="0" pageNumber="155">1</figureCitation>
).
</paragraph>
<paragraph id="29BE1A46D57598BD7B18D4742E32C386" pageId="0" pageNumber="155">
<bibRefCitation id="86A2311B7F447E7D59BB399AA45A62E7" DOI="https://doi.org/10.1071/IT9920741" author="Ng, PKL" journalOrPublisher="Invertebrate Systematics" pageId="0" pageNumber="155" pagination="741 - 768" refId="B15" refString="Ng, PKL, Dudgeon, D, 1992. The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong. Invertebrate Systematics 6 (3): 741 - 768, DOI: https://doi.org/10.1071/IT9920741" title="The Potamidae and Parathelphusidae (Crustacea: Decapoda: Brachyura) of Hong Kong." url="https://doi.org/10.1071/IT9920741" volume="6" year="1992">Ng and Dudgeon (1992)</bibRefCitation>
listed the differences between
<taxonomicName id="600C82E3066330DE6C9A48E1A64092BB" authorityName="P. K. L. Ng &amp; Dudgeon" authorityYear="1992" class="Malacostraca" family="Potamidae" genus="Cryptopotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopotamon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="B43F8AE9F47F51C54E1EE99D68F6B569" italics="true" pageId="0" pageNumber="155">Cryptopotamon</emphasis>
</taxonomicName>
and
<taxonomicName id="FE060AEAB47DF73BEDD7CA3FD04DB184" authorityName="Tai &amp; Sung" authorityYear="1975" class="Malacostraca" family="Potamidae" genus="Sinolapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinolapotamon" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="genus">
<emphasis id="5432AA38A657060B32BC8C952CB86157" italics="true" pageId="0" pageNumber="155">Sinolapotamon</emphasis>
</taxonomicName>
, including carapace, epigastric cristae, postorbital cristae, epibranchial tooth, and the ratio of the subterminal segment to the terminal segment of the G1. We, however, noticed that those differences are interspecific, while two or more species sharing the same character state with the remaining species is not. For instance,
<taxonomicName id="41410AAFD51F97A041B4C361C83CDAF3" lsidName="S. anacoluthon" pageId="0" pageNumber="155" rank="species" species="anacoluthon">
<emphasis id="7B8093CBA768A8EF0337E7D979C5BD1D" italics="true" pageId="0" pageNumber="155">S. anacoluthon</emphasis>
</taxonomicName>
has a gently convex carapace similar to that of
<taxonomicName id="C5F67784CA215396C6E631C91743F124" lsidName="S. cirratum" pageId="0" pageNumber="155" rank="species" species="cirratum">
<emphasis id="AD86BC528BA173926069205E513C7520" italics="true" pageId="0" pageNumber="155">S. cirratum</emphasis>
</taxonomicName>
sp. nov. but different from the remaining congeners (Figs
<figureCitation id="9FDEAE55579D2D4E61099AB27935D926" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
,
<figureCitation id="9DFCCD56A4FD653A7321793BE6277817" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Sinolapotamon cirratum sp. nov., holotype male (17.90 x 15.50 mm) (NCU MCP 434201) A overall dorsal habitus B frontal view of cephalothorax. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure3" httpUri="https://binary.pensoft.net/fig/861598" pageId="0" pageNumber="155">3A</figureCitation>
). The weak epigastric cristae of
<taxonomicName id="C34AA334ABAC403285A69814C006C77A" lsidName="S. anacoluthon" pageId="0" pageNumber="155" rank="species" species="anacoluthon">
<emphasis id="E7DD37D88B766FBC28AAF22AC3229BCF" italics="true" pageId="0" pageNumber="155">S. anacoluthon</emphasis>
</taxonomicName>
are consistent with those of
<taxonomicName id="701E63340D021C06A811B6932C2CBD81" lsidName="S. auriculatum" pageId="0" pageNumber="155" rank="species" species="auriculatum">
<emphasis id="E6E1EC2112E5C86AAB855510325EDDF0" italics="true" pageId="0" pageNumber="155">S. auriculatum</emphasis>
</taxonomicName>
and
<taxonomicName id="4DA8B30A6133F179FC0D205DB6B6A260" lsidName="S. cirratum" pageId="0" pageNumber="155" rank="species" species="cirratum">
<emphasis id="BE5520DBEAF63840D70D11A486702F12" italics="true" pageId="0" pageNumber="155">S. cirratum</emphasis>
</taxonomicName>
sp. nov. (Fig.
<figureCitation id="13876D284313C19885F3F3DF73CBA2CF" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
; see
<bibRefCitation id="444E618EA8A293DE419DEFCEA9155D41" DOI="https://doi.org/10.1163/001121609X12603430877199" author="Zhu, C" journalOrPublisher="Crustaceana" pageId="0" pageNumber="155" pagination="245 - 256" refId="B39" refString="Zhu, C, Naruse, T, Zhou, XM, 2010. Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China. Crustaceana 83 (2): 245 - 256, DOI: https://doi.org/10.1163/001121609X12603430877199" title="Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China." url="https://doi.org/10.1163/001121609X12603430877199" volume="83" year="2010">Zhu et al. 2010</bibRefCitation>
: figs 1a, 6a). The indistinct postorbital cristae of
<taxonomicName id="FEA56E28F6CE70A877DB767A9ED8965B" lsidName="S. anacoluthon" pageId="0" pageNumber="155" rank="species" species="anacoluthon">
<emphasis id="94C6EA5B781EFDD48E1936AEE547A327" italics="true" pageId="0" pageNumber="155">S. anacoluthon</emphasis>
</taxonomicName>
are comparable with those of
<taxonomicName id="D811586F04C23E430C2344D2BB9395D0" lsidName="S. auriculatum" pageId="0" pageNumber="155" rank="species" species="auriculatum">
<emphasis id="A26132793AFB18BF20EC94140EA9E4C8" italics="true" pageId="0" pageNumber="155">S. auriculatum</emphasis>
</taxonomicName>
and
<taxonomicName id="79A3A1C29417088B0BD3C0539BA891D1" lsidName="S. palmatum" pageId="0" pageNumber="155" rank="species" species="palmatum">
<emphasis id="BF64A06E5C9012FDA5781EAFD44978E1" italics="true" pageId="0" pageNumber="155">S. palmatum</emphasis>
</taxonomicName>
(Fig.
<figureCitation id="3C05AB206CE38F9501DC7C0F1276CD27" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
; see
<bibRefCitation id="0F1D7A353C6C3F2BD28EC176DB21DF3D" DOI="https://doi.org/10.1163/001121609X12603430877199" author="Zhu, C" journalOrPublisher="Crustaceana" pageId="0" pageNumber="155" pagination="245 - 256" refId="B39" refString="Zhu, C, Naruse, T, Zhou, XM, 2010. Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China. Crustaceana 83 (2): 245 - 256, DOI: https://doi.org/10.1163/001121609X12603430877199" title="Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China." url="https://doi.org/10.1163/001121609X12603430877199" volume="83" year="2010">Zhu et al. 2010</bibRefCitation>
: figs 1a, 6a). The sharp epibranchial tooth is consistent with that of
<taxonomicName id="F6C5B563E5FDE68E63BB9468F59314A5" lsidName="S. auriculatum" pageId="0" pageNumber="155" rank="species" species="auriculatum">
<emphasis id="8EB29CF6D790FC0180A84AA2C8615DC7" italics="true" pageId="0" pageNumber="155">S. auriculatum</emphasis>
</taxonomicName>
(Fig.
<figureCitation id="CC489CEAC00F0E8B61523DE317A9B8B4" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sinolapotamon anacoluthon, male (25.84 x 22.76 mm) (NCU MCP 434101) A overall dorsal habitus B overall ventral habitus C frontal view of cephalothorax D outer view of chelipeds E sternopleonal cavity with G 1. Scale bars: 1 cm." figureDoi="10.3897/zookeys.1166.101737.figure2" httpUri="https://binary.pensoft.net/fig/861597" pageId="0" pageNumber="155">2A</figureCitation>
; see
<bibRefCitation id="9A82FE286BFD31A9A9AEE3784B5F8D32" DOI="https://doi.org/10.1163/001121609X12603430877199" author="Zhu, C" journalOrPublisher="Crustaceana" pageId="0" pageNumber="155" pagination="245 - 256" refId="B39" refString="Zhu, C, Naruse, T, Zhou, XM, 2010. Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China. Crustaceana 83 (2): 245 - 256, DOI: https://doi.org/10.1163/001121609X12603430877199" title="Two new species of freshwater crabs of the genus Sinolapotamon Tai &amp; Sung, 1975 (Decapoda, Brachyura, Potamidae) from Guangxi Zhuang Autonomous Region, China." url="https://doi.org/10.1163/001121609X12603430877199" volume="83" year="2010">Zhu et al. 2010</bibRefCitation>
: fig. 1a). The different ratios of the subterminal segment to the terminal segment of the G1 could only be regarded as interspecific differences. Most importantly, all five species have accordant fundamental types of G1 (Fig.
<figureCitation id="8E771CA69201DA0D988CECA1BA367909" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Left G 1 s (ventral view) of known species of Sinolapotamon A Sinolapotamon cirratum sp. nov., holotype (NCU MCP 434201) B S. patellifer (Yangshuo, NCU MCP 407301) C S. anacoluthon (Shenzhen, NCU MCP 434001) D S. auriculatum (Shanglin, NCU MCP 72301) E S. palmatum (Liuzhou, NCU MCP 415301)." figureDoi="10.3897/zookeys.1166.101737.figure7" httpUri="https://binary.pensoft.net/fig/861602" pageId="0" pageNumber="155">7</figureCitation>
).
</paragraph>
<caption id="16BEB97DD2E2B5F8E0CF47D584C61282" doi="10.3897/zookeys.1166.101737.figure3" httpUri="https://binary.pensoft.net/fig/861598" pageId="0" pageNumber="155" start="Figure 3" startId="F3">
<paragraph id="A3F83B4C3A767BA1FA1472AF35D2F930" pageId="0" pageNumber="155">
<emphasis id="D309F1434FC725DBC7F3312619A916E7" bold="true" pageId="0" pageNumber="155">Figure 3.</emphasis>
<taxonomicName id="741185EFD24FF5EB4DFEC71E0FF1BB41" authorityName="Lu &amp; Zhang &amp; Zou" authorityYear="2023" class="Malacostraca" family="Potamidae" genus="Sinolapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinolapotamon cirratum" order="Decapoda" pageId="0" pageNumber="155" phylum="Arthropoda" rank="species" species="cirratum">
<emphasis id="838A2541CB4549EF21AF37BCF79424AD" italics="true" pageId="0" pageNumber="155">Sinolapotamon cirratum</emphasis>
</taxonomicName>
sp. nov., holotype male (17.90
<normalizedToken id="7695FC08D62593456E5F2E97764B07EE" originalValue="×">x</normalizedToken>
15.50 mm) (NCU MCP 434201)
<emphasis id="BCA4883B2EBC5A63C07C4CBD6BD90206" bold="true" pageId="0" pageNumber="155">A</emphasis>
overall dorsal habitus
<emphasis id="D7E74C49467432234FD387B27284BDC5" bold="true" pageId="0" pageNumber="155">B</emphasis>
frontal view of cephalothorax. Scale bars: 1 cm.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>
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