treatments-xml/data/9E/73/DB/9E73DB34FFA5A064EED806D6AC0DF8CA.xml

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<mods:title id="4DE905904D6CDB565CD7859637274594">Two new freshwater crab species of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Potamidae) from Huizhou, Guangdong Province, southern China</mods:title>
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<mods:namePart id="CBDC19B81FC1FD28EDA0949F3F2BBFE5">Huang, Chao</mods:namePart>
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<mods:namePart id="CAAE574A1FBE8329AF02119B5B64F6B3">Mao, Siying</mods:namePart>
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<mods:namePart id="0C2D91BE7AA18A4162C5877A709052A6">Shih, Hsi-Te</mods:namePart>
<mods:affiliation id="A4C63C7892C9D4CD9F98555A0BEBA2DC">Department of Life Science and Research Center for Global Change, National Chung Hsing University, 250, Kuo Kuang Road, Taichung 402, Taiwan.</mods:affiliation>
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<taxonomicName id="D1DA11A1FFA5A068EED806D6AC7EFA18" ID-CoL="8NFM4" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[151,576,1469,1496]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="228" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA5A068EED806D6AC7EFA18" bold="true" box="[151,576,1469,1496]" italics="true" pageId="7" pageNumber="228">Nanhaipotamon aureomarginatum</emphasis>
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<paragraph id="16656A22FFA5A068EED8068AAFAEFA34" blockId="7.[151,959,1469,1568]" box="[151,400,1505,1532]" pageId="7" pageNumber="228">
(
<figureCitation id="8EE176A7FFA5A068EED0068AAF35FA34" box="[159,267,1505,1531]" captionStart-0="FIGURE 4" captionStart-1="FIGURE 5" captionStart-2="FIGURE 6" captionStartId-0="8.[151,250,1904,1928]" captionStartId-1="9.[151,250,1676,1700]" captionStartId-2="10.[151,250,1895,1919]" captionTargetBox-0="[157,1431,181,1880]" captionTargetBox-1="[157,1429,381,1653]" captionTargetBox-2="[171,1417,489,1872]" captionTargetId-0="figure-23@8.[157,1431,181,1880]" captionTargetId-1="figure-111@9.[157,1429,381,1653]" captionTargetId-2="figure-156@10.[171,1417,489,1872]" captionTargetPageId-0="8" captionTargetPageId-1="9" captionTargetPageId-2="10" captionText-0="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." captionText-1="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." captionText-2="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi-0="http://doi.org/10.5281/zenodo.5271454" figureDoi-1="http://doi.org/10.5281/zenodo.5271456" figureDoi-2="http://doi.org/10.5281/zenodo.5271460" httpUri-0="https://zenodo.org/record/5271454/files/figure.png" httpUri-1="https://zenodo.org/record/5271456/files/figure.png" httpUri-2="https://zenodo.org/record/5271460/files/figure.png" pageId="7" pageNumber="228">Figs. 4–6</figureCitation>
, 
<figureCitation id="8EE176A7FFA5A068EF580689AF64FA33" box="[279,346,1506,1532]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="7" pageNumber="228">7K, L</figureCitation>
, 
<figureCitation id="8EE176A7FFA5A068EF29068AAFB9FA34" box="[358,391,1505,1531]" captionStart="FIGURE 8" captionStartId="14.[151,250,1582,1606]" captionTargetBox="[154,1434,705,1559]" captionTargetId="figure-300@14.[154,1434,705,1559]" captionTargetPageId="14" captionText="FIGURE 8. Colour in life. (A) Nanhaipotamon incendium n. sp., male, from type locality, specimen not collected; (B) Nanhaipotamon aff. aculatum Dai, 1997, male, from type locality of Nanhaipotamon incendium n. sp., specimen not collected; (C) Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807, from type locality; (D) Nanhaipotamon aff. hongkongense (Shen, 1940), male, from type locality of Nanhaipotamon aureomarginatum n. sp., specimen not collected." figureDoi="http://doi.org/10.5281/zenodo.5271466" httpUri="https://zenodo.org/record/5271466/files/figure.png" pageId="7" pageNumber="228">8C</figureCitation>
)
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<emphasis id="24AEB630FFA5A068EED80526AF7DF9A8" bold="true" box="[151,323,1613,1639]" pageId="7" pageNumber="228">Type material.</emphasis>
<materialsCitation id="A6B2607FFFA5A068EF080526AEE9F960" ID-GBIF-Occurrence="3338830314" collectingDate="2018-11" collectionCode="SYSBM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCode="SYSBM 001807" specimenCount="1" stateProvince="Guangdong" typeStatus="holotype">
<typeStatus id="C961D480FFA5A068EF080526AF8AF9A8" box="[327,436,1613,1639]" pageId="7" pageNumber="228" type="holotype">Holotype</typeStatus>
: 
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, male (37.7 × 
<quantity id="D122C7C7FFA5A068ED410526AD4AF9A7" box="[782,884,1613,1640]" metricMagnitude="-2" metricUnit="m" metricValue="3.07" pageId="7" pageNumber="228" unit="mm" value="30.7">30.7 mm</quantity>
), 
<collectingCounty id="FF0412AEFFA5A068EDCB0526AA03F9A8" box="[900,1085,1613,1639]" pageId="7" pageNumber="228">Huidong County</collectingCounty>
[ca. 
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, 
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], 
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, 
<collectingRegion id="D41EA4C0FFA5A068EE98051AAFF7F944" box="[215,457,1649,1675]" country="China" name="Guangdong" pageId="7" pageNumber="228">Guangdong Province</collectingRegion>
, 
<collectingCountry id="6ECD2AB2FFA5A068EF97051AAC20F944" box="[472,542,1649,1675]" name="China" pageId="7" pageNumber="228">China</collectingCountry>
, burrow in soft mud near hillstream, 
<elevation id="9DF78D11FFA5A068ED9D051AAA62F944" box="[978,1116,1649,1676]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="228" unit="m" value="100.0">
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a.s.l.
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, coll. 
<collectorName id="BB2F0FF4FFA5A068EAE8051AAB29F943" box="[1191,1303,1649,1676]" pageId="7" pageNumber="228">C. Huang</collectorName>
, 
<date id="62644CE2FFA5A068EB69051AAEEDF960" pageId="7" pageNumber="228" value="2018-11">
<collectingDate id="7220B50AFFA5A068EB69051AAEEDF960" pageId="7" pageNumber="228" value="2018-11">November 2018</collectingDate>
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.
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<materialsCitation id="A6B2607FFFA5A068EE8805D1AFECF938" ID-GBIF-Occurrence="3338830303" collectingDate="2018-11" collectionCode="SYSBM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCode="SYSBM 001809-001812" specimenCount="4" specimenCount-male="4" stateProvince="Guangdong" typeStatus="paratype">
<typeStatus id="C961D480FFA5A068EE8805D1AF06F91B" box="[199,312,1722,1748]" pageId="7" pageNumber="228" type="paratype">Paratypes</typeStatus>
: 
<specimenCode id="467CC259FFA5A068EF0C05D2AC5CF91C" box="[323,610,1721,1747]" collectionCode="SYSBM" pageId="7" pageNumber="228">SYSBM 001809–001812</specimenCode>
, 
<specimenCount id="00DCA1ABFFA5A068EC2105D2ACFAF91C" box="[622,708,1721,1747]" pageId="7" pageNumber="228" type="male">4 males</specimenCount>
(30.9 × 
<quantity id="D122C7C7FFA5A068ED6A05D2ADB2F91B" box="[805,908,1721,1748]" metricMagnitude="-2" metricUnit="m" metricValue="2.53" pageId="7" pageNumber="228" unit="mm" value="25.3">25.3 mm</quantity>
, 29.1 × 
<quantity id="D122C7C7FFA5A068EDA805D2AA70F91B" box="[999,1102,1721,1748]" metricMagnitude="-2" metricUnit="m" metricValue="2.32" pageId="7" pageNumber="228" unit="mm" value="23.2">23.2 mm</quantity>
, 27.4 × 
<quantity id="D122C7C7FFA5A068EAE605D2AB2EF91B" box="[1193,1296,1721,1748]" metricMagnitude="-2" metricUnit="m" metricValue="2.23" pageId="7" pageNumber="228" unit="mm" value="22.3">22.3 mm</quantity>
, 24.7 × 
<quantity id="D122C7C7FFA5A068EB2405D2AEF9F937" metricMagnitude="-2" metricUnit="m" metricValue="2.05" pageId="7" pageNumber="228" unit="mm" value="20.5">20.5 mm</quantity>
), same data as holotype
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; 
<materialsCitation id="A6B2607FFFA5A068EF9305B6ACCFF8D4" ID-GBIF-Occurrence="3338830308" collectingDate="2018-11" collectionCode="SYSBM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCode="SYSBM 001808, 001813-001815" specimenCount="4" specimenCount-female="4" stateProvince="Guangdong" typeStatus="paratype">
<specimenCode id="467CC259FFA5A068EF9305B6ACA7F938" box="[476,665,1757,1783]" collectionCode="SYSBM" pageId="7" pageNumber="228">SYSBM 001808</specimenCode>
, 
<specimenCode id="467CC259FFA5A068ECEC05B6AD62F937" box="[675,860,1757,1784]" collectionCode="SYSBM" pageId="7" pageNumber="228">001813–001815</specimenCode>
, 
<specimenCount id="00DCA1ABFFA5A068ED2905B6ADECF938" box="[870,978,1757,1783]" pageId="7" pageNumber="228" type="female">4 females</specimenCount>
(33.9 × 
<quantity id="D122C7C7FFA5A068EA6005B6AAAAF937" box="[1071,1172,1757,1784]" metricMagnitude="-2" metricUnit="m" metricValue="2.84" pageId="7" pageNumber="228" unit="mm" value="28.4">28.4 mm</quantity>
, 29.6 × 
<quantity id="D122C7C7FFA5A068EAA205B6AB6CF937" box="[1261,1362,1757,1784]" metricMagnitude="-2" metricUnit="m" metricValue="2.4899999999999998" pageId="7" pageNumber="228" unit="mm" value="24.9">24.9 mm</quantity>
, 19.24 × 
<quantity id="D122C7C7FFA5A068EEE0046AAF29F8D3" box="[175,279,1793,1820]" metricMagnitude="-2" metricUnit="m" metricValue="1.61" pageId="7" pageNumber="228" unit="mm" value="16.1">16.1 mm</quantity>
, 13.5 × 
<quantity id="D122C7C7FFA5A068EF39046AAFE0F8D3" box="[374,478,1793,1820]" metricMagnitude="-2" metricUnit="m" metricValue="1.1099999999999999" pageId="7" pageNumber="228" unit="mm" value="11.1">11.1 mm</quantity>
), same data as holotype
</materialsCitation>
; 
<materialsCitation id="A6B2607FFFA5A068ECB2046AAEC3F8F0" ID-GBIF-Occurrence="3338830310" collectingDate="2018-11" collectionCode="SYSBM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCount="1" stateProvince="Guangdong" typeStatus="paratype">
NCHUZOOL 17035, male (26.5 × 
<quantity id="D122C7C7FFA5A068EAC1046AAAC6F8D3" box="[1166,1272,1793,1820]" metricMagnitude="-2" metricUnit="m" metricValue="2.15" pageId="7" pageNumber="228" unit="mm" value="21.5">21.5 mm</quantity>
), same data as holotype
</materialsCitation>
; 
<materialsCitation id="A6B2607FFFA5A068EF47044EAA1FF8F0" ID-GBIF-Occurrence="3338830311" box="[264,1057,1829,1856]" collectingDate="2018-11" collectionCode="SYSBM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCount="1" stateProvince="Guangdong" typeStatus="paratype">
NCHUZOOL 17036, female (25.5 × 
<quantity id="D122C7C7FFA5A068ECE6044EAD2CF88F" box="[681,786,1829,1856]" metricMagnitude="-2" metricUnit="m" metricValue="2.08" pageId="7" pageNumber="228" unit="mm" value="20.8">20.8 mm</quantity>
), same data as holotype
</materialsCitation>
; 
<materialsCitation id="A6B2607FFFA5A068EA65044DAFEBF8AC" ID-GBIF-Occurrence="3338830315" collectingDate="2018-11" collectionCode="AM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCount="1" stateProvince="Guangdong" typeStatus="paratype">
<collectionCode id="70CBF2E7FFA5A068EA65044DAA69F88F" box="[1066,1111,1830,1856]" country="Australia" name="Australian Museum" pageId="7" pageNumber="228" type="Museum">AM</collectionCode>
P.105615, male (28.9 × 
<quantity id="D122C7C7FFA5A068EB24044EAEF9F8AB" metricMagnitude="-2" metricUnit="m" metricValue="2.32" pageId="7" pageNumber="228" unit="mm" value="23.2">23.2 mm</quantity>
), same data as holotype
</materialsCitation>
; 
<materialsCitation id="A6B2607FFFA5A068EF910421AA96F8AC" ID-GBIF-Occurrence="3338830306" box="[478,1192,1865,1892]" collectingDate="2018-11" collectionCode="AM" collectorName="C. Huang" country="China" county="Huidong County" elevation="100" latitude="23.0" location="Huizhou City" longLatPrecision="7550" longitude="114.7" pageId="7" pageNumber="228" specimenCount="1" stateProvince="Guangdong" typeStatus="paratype">
<collectionCode id="70CBF2E7FFA5A068EF910421AC35F8AB" box="[478,523,1866,1892]" country="Australia" name="Australian Museum" pageId="7" pageNumber="228" type="Museum">AM</collectionCode>
P.105615, female (17.9 × 15.0 mm), same data as holotype
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="5EC039A9FFA5A066EE880406AD64FEA9" lastPageId="9" lastPageNumber="230" pageId="7" pageNumber="228" type="diagnosis">
<paragraph id="16656A22FFA5A066EE880406AD64FEA9" blockId="7.[151,1436,1613,2036]" lastBlockId="9.[151,1437,150,358]" lastPageId="9" lastPageNumber="230" pageId="7" pageNumber="228">
<emphasis id="24AEB630FFA5A068EE880406AF7CF848" bold="true" box="[199,322,1901,1927]" pageId="7" pageNumber="228">Diagnosis.</emphasis>
Carapace broader than long, regions indistinct (
<figureCitation id="8EE176A7FFA5A068ED3E0406AD87F848" box="[881,953,1901,1927]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="7" pageNumber="228">Fig. 4</figureCitation>
). Dorsal surface generally smooth, pitted, convex, slightly rugose on anterolateral regions in smaller specimens (
<figureCitation id="8EE176A7FFA5A068EDF704FAADC1F864" box="[952,1023,1937,1963]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="7" pageNumber="228">Fig. 4</figureCitation>
). Anterolateral margins cristate with fused granules, bent inward posteriorly (
<figureCitation id="8EE176A7FFA5A068EC0404DEACB3F800" box="[587,653,1973,1999]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="7" pageNumber="228">Fig.4</figureCitation>
). Posterolateral surfaces with low,oblique striae converging posteriorly; granules scattered among striae, some merged together (
<figureCitation id="8EE176A7FFA5A068ED5A04B2AD62F83C" box="[789,860,2009,2035]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="7" pageNumber="228">Fig. 4</figureCitation>
). Sub-orbital, pterygostomial regions covered with large round granules; sub-hepatic region with lines of fused smaller granules (
<figureCitation id="8EE176A7FFABA066EA6703FCAAB8FF7E" box="[1064,1158,150,177]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="9" pageNumber="230">Fig. 5A</figureCitation>
). Maxilliped III exopod reaching to proximal one-third of merus, with flagellum (
<figureCitation id="8EE176A7FFABA066ED6203D0ADB7FF19" box="[813,905,187,214]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="9" pageNumber="230">Fig. 6A</figureCitation>
). G1 slender, reaching beyond suture between sternites IV/V 
<emphasis id="24AEB630FFABA066EF7703B4AF42FF37" box="[312,380,223,248]" italics="true" pageId="9" pageNumber="230">in situ</emphasis>
(
<figureCitation id="8EE176A7FFABA066EFC503B4AFDCFF36" box="[394,482,222,249]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="9" pageNumber="230">Fig. 5D</figureCitation>
). G1 subterminal segment 2.1–2.2 × as long as terminal segment. G1 terminal segment large, duck head-shaped; mesial margin strongly convex; outer margin strongly concave; anterior margin almost straight, oblique to longitudinal axis of G1; apex pointing outwards (
<figureCitation id="8EE176A7FFABA066EDEF024CAA1CFE8E" box="[928,1058,295,321]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="9" pageNumber="230">Figs. 6C–E</figureCitation>
, 
<figureCitation id="8EE176A7FFABA066EA60024CAA4BFE8E" box="[1071,1141,295,321]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="9" pageNumber="230">7K, L</figureCitation>
). G2 subterminal segment 1.7–1.8 × as long as flagellum-like terminal segment (
<figureCitation id="8EE176A7FFABA066ECBA0220AD70FEA9" box="[757,846,331,358]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="9" pageNumber="230">Fig. 6B</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="42A53AAAFFAAA067EED8041BACE9F863" ID-DOI="http://doi.org/10.5281/zenodo.5271454" ID-Zenodo-Dep="5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="8" pageNumber="229" startId="8.[151,250,1904,1928]" targetBox="[157,1431,181,1880]" targetPageId="8">
<paragraph id="16656A22FFAAA067EED8041BACE9F863" blockId="8.[151,1436,1904,1965]" pageId="8" pageNumber="229">
<emphasis id="24AEB630FFAAA067EED8041BAF2CF847" bold="true" box="[151,274,1904,1928]" pageId="8" pageNumber="229">FIGURE 4.</emphasis>
Dorsal habitus of 
<taxonomicName id="D1DA11A1FFAAA067EF84041BAD17F847" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[459,809,1904,1928]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="229" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFAAA067EF84041BAD17F847" box="[459,809,1904,1928]" italics="true" pageId="8" pageNumber="229">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFAAA067ED61041BAD59F847" bold="true" box="[814,871,1904,1928]" pageId="8" pageNumber="229">
<taxonomicNameLabel id="3F9D0B4BFFAAA067ED61041BAD59F847" box="[814,871,1904,1928]" pageId="8" pageNumber="229" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
: (
<emphasis id="24AEB630FFAAA067ED33041BADB0F847" bold="true" box="[892,910,1904,1928]" pageId="8" pageNumber="229">A</emphasis>
) male holotype (37.7 × 30.7 mm), SYSBM 001807; (
<emphasis id="24AEB630FFAAA067EEEF04FFAE8FF863" bold="true" box="[160,177,1940,1964]" pageId="8" pageNumber="229">B</emphasis>
) female paratype (33.9 × 28.4 mm), SYSBM 001808.
</paragraph>
</caption>
<caption id="42A53AAAFFABA066EED805E7AF83F8DE" ID-DOI="http://doi.org/10.5281/zenodo.5271456" ID-Zenodo-Dep="5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="9" pageNumber="230" startId="9.[151,250,1676,1700]" targetBox="[157,1429,381,1653]" targetPageId="9">
<paragraph id="16656A22FFABA066EED805E7AF83F8DE" blockId="9.[151,1437,1676,1809]" pageId="9" pageNumber="230">
<emphasis id="24AEB630FFABA066EED805E7AF29F96A" bold="true" box="[151,279,1676,1701]" pageId="9" pageNumber="230">FIGURE 5.</emphasis>
<taxonomicName id="D1DA11A1FFABA066EF6D05E6ACBBF96B" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[290,645,1677,1701]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="230" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFABA066EF6D05E6ACBBF96B" box="[290,645,1677,1701]" italics="true" pageId="9" pageNumber="230">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFABA066ECC005E6ACF3F96A" bold="true" box="[655,717,1677,1701]" pageId="9" pageNumber="230">
<taxonomicNameLabel id="3F9D0B4BFFABA066ECC005E6ACF3F96A" box="[655,717,1677,1701]" pageId="9" pageNumber="230" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
: male holotype (37.7 × 30.7 mm), SYSBM 001807 (
<emphasis id="24AEB630FFABA066EB4305E7AB03F96A" bold="true" box="[1292,1341,1676,1701]" pageId="9" pageNumber="230">A–D</emphasis>
); female paratype (33.9 × 28.4 mm), SYSBM 001808 (
<emphasis id="24AEB630FFABA066EC2A05DAAC48F906" bold="true" box="[613,630,1713,1737]" pageId="9" pageNumber="230">E</emphasis>
, 
<emphasis id="24AEB630FFABA066ECCD05DAACAFF906" bold="true" box="[642,657,1713,1737]" pageId="9" pageNumber="230">F</emphasis>
). (
<emphasis id="24AEB630FFABA066ECE105DBACFEF907" bold="true" box="[686,704,1712,1736]" pageId="9" pageNumber="230">A</emphasis>
) cephalothorax, frontal view; (
<emphasis id="24AEB630FFABA066EDB605DAAA34F906" bold="true" box="[1017,1034,1713,1737]" pageId="9" pageNumber="230">B</emphasis>
) anterior thoracic sternum; (
<emphasis id="24AEB630FFABA066EB6505DBAB02F907" bold="true" box="[1322,1340,1712,1736]" pageId="9" pageNumber="230">C</emphasis>
) thoracic sternum, pleonites III–VI and telson; (
<emphasis id="24AEB630FFABA066EC6D05BEAC0AF922" bold="true" box="[546,564,1749,1773]" pageId="9" pageNumber="230">D</emphasis>
) sterno-pleonal cavity with G1 
<emphasis id="24AEB630FFABA066ED3205BEAD83F923" box="[893,957,1749,1772]" italics="true" pageId="9" pageNumber="230">in situ</emphasis>
, ventral view; (
<emphasis id="24AEB630FFABA066EA2F05BEAA4FF922" bold="true" box="[1120,1137,1749,1773]" pageId="9" pageNumber="230">E</emphasis>
) pleonites III–VI and telson; (
<emphasis id="24AEB630FFABA066EEEF0592AE91F8DE" bold="true" box="[160,175,1785,1809]" pageId="9" pageNumber="230">F</emphasis>
) sternum showing vulvae.
</paragraph>
</caption>
<subSubSection id="5EC039A9FFABA064EE880454AF1DFC21" lastPageId="11" lastPageNumber="232" pageId="9" pageNumber="230" type="description">
<paragraph id="16656A22FFABA065EE880454ABBEFEAA" blockId="9.[151,1437,1855,2025]" lastBlockId="10.[151,1437,151,466]" lastPageId="10" lastPageNumber="231" pageId="9" pageNumber="230">
<emphasis id="24AEB630FFABA066EE880454AF67F896" bold="true" box="[199,345,1855,1881]" pageId="9" pageNumber="230">Description.</emphasis>
Carapace broader than long, width 1.2–1.3 × length (n = 13), regions indistinct (
<figureCitation id="8EE176A7FFABA066EABA0454AB06F896" box="[1269,1336,1855,1881]" captionStart="FIGURE 1" captionStartId="4.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@4.[157,1431,181,1880]" captionTargetPageId="4" captionText="FIGURE 1. Dorsal habitus of Nanhaipotamon incendium n. sp. (A) male holotype (31.3 × 25.0 mm), SYSBM 001799; (B) female paratype (32.0 × 25.0 mm), SYSBM 001800." figureDoi="http://doi.org/10.5281/zenodo.5271444" httpUri="https://zenodo.org/record/5271444/files/figure.png" pageId="9" pageNumber="230">Fig. 1</figureCitation>
). Dorsal surface generally smooth, pitted, convex, slightly rugose on anterolateral regions in smaller specimens (
<figureCitation id="8EE176A7FFABA066EB080408ABB1F8B2" box="[1351,1423,1891,1917]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="9" pageNumber="230">Fig. 4</figureCitation>
). Front deflexed, margin slightly ridged in dorsal view (
<figureCitation id="8EE176A7FFABA066ED4604ECAD6FF86E" box="[777,849,1927,1953]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="9" pageNumber="230">Fig. 4</figureCitation>
). Epigastric cristae low, separated by a narrow gap (
<figureCitation id="8EE176A7FFABA066EEEF04C0AEDAF80A" box="[160,228,1963,1989]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="9" pageNumber="230">Fig. 4</figureCitation>
). Postorbital cristae prominent, laterally extended, almost fused with epigastric cristae and epibranchial teeth (
<figureCitation id="8EE176A7FFABA066EEEF04A4AEDBF826" box="[160,229,1999,2025]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="9" pageNumber="230">Fig. 4</figureCitation>
). Branchial regions inflated; cervical grooves shallow; mesogastric region convex (
<figureCitation id="8EE176A7FFABA066EADD04A4AAE6F826" box="[1170,1240,1999,2025]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="9" pageNumber="230">Fig. 4</figureCitation>
). External orbital teeth blunt, triangular with gently convex outer margins, each separated from anterolateral margin by small gap (
<figureCitation id="8EE176A7FFA8A065EED003D0AECEFF1A" box="[159,240,187,213]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="10" pageNumber="231">Figs. 4</figureCitation>
, 
<figureCitation id="8EE176A7FFA8A065EEB203D1AF1DFF1A" box="[253,291,186,213]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="10" pageNumber="231">5A</figureCitation>
). Epibranchial teeth small, granular (
<figureCitation id="8EE176A7FFA8A065EC8603D0AD27FF1A" box="[713,793,187,213]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="10" pageNumber="231">Figs. 4</figureCitation>
, 
<figureCitation id="8EE176A7FFA8A065ED6803D1AD73FF1A" box="[807,845,186,213]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="10" pageNumber="231">5A</figureCitation>
). Anterolateral margins cristate with fused granules, bent inward posteriorly (
<figureCitation id="8EE176A7FFA8A065EFFD03B4AFC7FF36" box="[434,505,223,249]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="10" pageNumber="231">Fig. 4</figureCitation>
). Posterolateral surfaces with low, oblique striae converging posteriorly; granules scattered among striae, some merged together (
<figureCitation id="8EE176A7FFA8A065ECFF0268ACC9FED2" box="[688,759,259,285]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="10" pageNumber="231">Fig. 4</figureCitation>
). Orbits large; supraorbital and infraorbital margins cristate (
<figureCitation id="8EE176A7FFA8A065EED0024CAED1FE8E" box="[159,239,295,321]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="10" pageNumber="231">Figs. 4</figureCitation>
, 
<figureCitation id="8EE176A7FFA8A065EEB4024DAF1FFE8E" box="[251,289,294,321]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="10" pageNumber="231">5A</figureCitation>
). Sub-orbital, pterygostomial regions covered with large round granules; sub-hepatic region with lines of fused smaller granules (
<figureCitation id="8EE176A7FFA8A065EF8E0220AC25FEAA" box="[449,539,330,357]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="10" pageNumber="231">Fig. 5A</figureCitation>
). Epistome median lobe broadly triangular, lateral margins sinuous (
<figureCitation id="8EE176A7FFA8A065EB560220AB4DFEAA" box="[1305,1395,330,357]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="10" pageNumber="231">Fig. 5A</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA8A065EE880204ADBEFE1D" blockId="10.[151,1437,151,466]" pageId="10" pageNumber="231">
Maxilliped III with merus subtrapezoidal, about as wide as long, median depression distinct; ischium; ischium subtrapezoidal, width about 0.7 × length with distinct median sulcus, with anterior mesial margin rounded; exopod reaching to proximal one-third of merus, with flagellum (
<figureCitation id="8EE176A7FFA8A065ED5602DCAD4DFE1D" box="[793,883,439,466]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="10" pageNumber="231">Fig. 6A</figureCitation>
).
</paragraph>
<caption id="42A53AAAFFA8A065EED8040CAD16F824" ID-DOI="http://doi.org/10.5281/zenodo.5271460" ID-Zenodo-Dep="5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="10" pageNumber="231" startId="10.[151,250,1895,1919]" targetBox="[171,1417,489,1872]" targetPageId="10">
<paragraph id="16656A22FFA8A065EED8040CAD16F824" blockId="10.[151,1437,1895,2028]" pageId="10" pageNumber="231">
<emphasis id="24AEB630FFA8A065EED8040CAF2AF8B0" bold="true" box="[151,276,1895,1919]" pageId="10" pageNumber="231">FIGURE 6.</emphasis>
<taxonomicName id="D1DA11A1FFA8A065EF53040CAC42F8B0" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[284,636,1895,1919]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="231" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA8A065EF53040CAC42F8B0" box="[284,636,1895,1919]" italics="true" pageId="10" pageNumber="231">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA8A065ECCB0403AC80F84F" bold="true" box="[644,702,1896,1920]" pageId="10" pageNumber="231">
<taxonomicNameLabel id="3F9D0B4BFFA8A065ECCB0403AC80F84F" box="[644,702,1896,1920]" pageId="10" pageNumber="231" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
: male holotype (37.7 × 30.7 mm), SYSBM 001807 (
<emphasis id="24AEB630FFA8A065EAAB040CAB2AF8B0" bold="true" box="[1252,1300,1895,1919]" pageId="10" pageNumber="231">A–C</emphasis>
, 
<emphasis id="24AEB630FFA8A065EB6C0403AB0CF84F" bold="true" box="[1315,1330,1896,1920]" pageId="10" pageNumber="231">F</emphasis>
, 
<emphasis id="24AEB630FFA8A065EB0F040CAB6AF8B0" bold="true" box="[1344,1364,1895,1919]" pageId="10" pageNumber="231">G</emphasis>
); male paratype (30.9 × 25.3), SYSBM 001809 (
<emphasis id="24AEB630FFA8A065EC0704E7AC64F86B" bold="true" box="[584,602,1932,1956]" pageId="10" pageNumber="231">D</emphasis>
); male paratype (28.9 × 23.2 mm), AM (
<emphasis id="24AEB630FFA8A065EA4604E7AA24F86B" bold="true" box="[1033,1050,1932,1956]" pageId="10" pageNumber="231">E</emphasis>
); female paratype (33.9 × 28.4 mm), SYSBM 001808 (
<emphasis id="24AEB630FFA8A065EF1F04DBAF5AF807" bold="true" box="[336,356,1968,1992]" pageId="10" pageNumber="231">H</emphasis>
, 
<emphasis id="24AEB630FFA8A065EF3E04DBAF45F807" bold="true" box="[369,379,1968,1992]" pageId="10" pageNumber="231">I</emphasis>
). (
<emphasis id="24AEB630FFA8A065EFD604C4AF95F808" bold="true" box="[409,427,1967,1991]" pageId="10" pageNumber="231">A</emphasis>
) left maxilliped III; (
<emphasis id="24AEB630FFA8A065ECC804DBACA6F807" bold="true" box="[647,664,1968,1992]" pageId="10" pageNumber="231">B</emphasis>
) left G2, ventral view; (
<emphasis id="24AEB630FFA8A065EDDC04C4ADFDF807" bold="true" box="[915,963,1967,1992]" pageId="10" pageNumber="231">C–E</emphasis>
) left G1, ventral view; (
<emphasis id="24AEB630FFA8A065EAF204DBAAF2F807" bold="true" box="[1213,1228,1968,1992]" pageId="10" pageNumber="231">F</emphasis>
, 
<emphasis id="24AEB630FFA8A065EA9504DBAAD0F807" bold="true" box="[1242,1262,1968,1992]" pageId="10" pageNumber="231">H</emphasis>
) major cheliped; (
<emphasis id="24AEB630FFA8A065EEEF04B8AE8AF824" bold="true" box="[160,180,2003,2027]" pageId="10" pageNumber="231">G</emphasis>
, 
<emphasis id="24AEB630FFA8A065EE8F04BFAEF4F823" bold="true" box="[192,202,2004,2028]" pageId="10" pageNumber="231">I</emphasis>
) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm.
</paragraph>
</caption>
<paragraph id="16656A22FFA9A064EE8803FCAA0EFEA9" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
Chelipeds (pereiopod I) unequal, relatively less inflated in females (
<figureCitation id="8EE176A7FFA9A064ED9103FCAA0EFF7E" box="[990,1072,151,177]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="11" pageNumber="232">Figs. 4</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EA0F03FCAA47FF7D" box="[1088,1145,151,178]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">6F–I</figureCitation>
). Merus trigonal in cross section, margins lined with granules, outer-dorsal surface rugose (
<figureCitation id="8EE176A7FFA9A064EDC203D0ADE0FF1A" box="[909,990,187,213]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="11" pageNumber="232">Figs. 4</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EDA203D1AA2DFF1A" box="[1005,1043,186,213]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">5A</figureCitation>
). Carpus with long, acute spine at inner-distal angle, spinule at base, dorsal surface rugose (
<figureCitation id="8EE176A7FFA9A064ED5E03B4AD6BFF36" box="[785,853,223,249]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="11" pageNumber="232">Fig. 4</figureCitation>
). Major cheliped palm length about 1.3–1.4 × height in males (n = 6), 1.4 × in females (n = 3); dactylus about 1.0–1.1 × palm length in both males (n = 6) and females (n = 3) (
<figureCitation id="8EE176A7FFA9A064EE9A024CAF7AFE8D" box="[213,324,295,322]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Fig. 6F–I</figureCitation>
). Palm surface pitted, dorsal surface rugose. Dactylus as long as pollex. Occlusal margin of fingers lined with irregular blunt teeth, slight gape when finger tips in contact (
<figureCitation id="8EE176A7FFA9A064EDF90220AA1AFEA9" box="[950,1060,331,358]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Fig. 6F–I</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA9A064EE880204AC50FE1E" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
Ambulatory legs (pereiopods II–V) slender, with short and sparse setae. Pereiopods III merus 0.7 × carapace length in males (n = 6), 0.6–0.7 × in females (n = 3). Pereiopods V propodus 2.0–2.4 × as long as broad in males (n = 6), 2.2–2.3 × in females (n = 3) (
<figureCitation id="8EE176A7FFA9A064EC5302DCAC5FFE1E" box="[540,609,439,465]" captionStart="FIGURE 4" captionStartId="8.[151,250,1904,1928]" captionTargetBox="[157,1431,181,1880]" captionTargetId="figure-23@8.[157,1431,181,1880]" captionTargetPageId="8" captionText="FIGURE 4. Dorsal habitus of Nanhaipotamon aureomarginatum n. sp.: (A) male holotype (37.7 × 30.7 mm), SYSBM 001807; (B) female paratype (33.9 × 28.4 mm), SYSBM 001808." figureDoi="http://doi.org/10.5281/zenodo.5271454" httpUri="https://zenodo.org/record/5271454/files/figure.png" pageId="11" pageNumber="232">Fig. 4</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA9A064EE8802B0ADF3FD02" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
Male thoracic sternum generally smooth, pitted; sternites I–IV relatively narrow, width 1.4 × as length (
<figureCitation id="8EE176A7FFA9A064EB0E02B0AE93FDD6" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5B, C</figureCitation>
). Sternites I, II fused, appearing broadly triangular; sternites II, III separated by shallow transverse sulcus, reaching edge of sternum; sternites III, IV fused, with barely visible demarcation (
<figureCitation id="8EE176A7FFA9A064ED940148AA69FDF2" box="[987,1111,546,573]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5B, C</figureCitation>
). Male sterno-pleonal cavity reaching anteriorly to level of mid-length of cheliped coxa (
<figureCitation id="8EE176A7FFA9A064ED00012CADF3FDAE" box="[847,973,582,609]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5B–D</figureCitation>
); median longitudinal groove separating sternites VII, VIII deep (
<figureCitation id="8EE176A7FFA9A064EFE50100AC3AFD4A" box="[426,516,618,645]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5D</figureCitation>
). Male pleonal locking tubercles positioned at mid-length of sternites V (
<figureCitation id="8EE176A7FFA9A064EB7A0100ABB1FD4A" box="[1333,1423,618,645]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5D</figureCitation>
). Adult female vulvae ovate, relatively large but not reaching sternites V or VII; positioned closely to one another, orientation oblique to longitudinal axis of sterno-pleonal cavity (
<figureCitation id="8EE176A7FFA9A064ED2401D8ADFFFD02" box="[875,961,690,717]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5F</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA9A064EE8801BCAC61FCF6" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
Pleon and telson triangular in males (
<figureCitation id="8EE176A7FFA9A064EC3C01BCACF4FD3E" box="[627,714,726,753]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5C</figureCitation>
) and broadly ovate in females (
<figureCitation id="8EE176A7FFA9A064EA7801BCAAB1FD3E" box="[1079,1167,726,753]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5E</figureCitation>
). Male pleonites III–VI progressively narrower, lateral margins nearly straight; pleonite VI 1.9 × as broad as long. Male telson 1.2 × as broad as long, with blunt apex (
<figureCitation id="8EE176A7FFA9A064EFB50074AC6CFCF6" box="[506,594,798,825]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5C</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA9A064EE880028AF1DFC21" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
G1 slender, reaching beyond suture between sternites IV/V 
<emphasis id="24AEB630FFA9A064ED120028AD9FFC93" box="[861,929,835,860]" italics="true" pageId="11" pageNumber="232">in situ</emphasis>
(
<figureCitation id="8EE176A7FFA9A064EDFF0028AA36FC92" box="[944,1032,834,861]" captionStart="FIGURE 5" captionStartId="9.[151,250,1676,1700]" captionTargetBox="[157,1429,381,1653]" captionTargetId="figure-111@9.[157,1429,381,1653]" captionTargetPageId="9" captionText="FIGURE 5. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–D); female paratype (33.9 × 28.4 mm), SYSBM 001808 (E, F). (A) cephalothorax, frontal view; (B) anterior thoracic sternum; (C) thoracic sternum, pleonites III–VI and telson; (D) sterno-pleonal cavity with G1 in situ, ventral view; (E) pleonites III–VI and telson; (F) sternum showing vulvae." figureDoi="http://doi.org/10.5281/zenodo.5271456" httpUri="https://zenodo.org/record/5271456/files/figure.png" pageId="11" pageNumber="232">Fig. 5D</figureCitation>
). G1 subterminal segment 2.1–2.2 × as long as terminal segment (n = 3). G1 terminal segment large, duck head-shaped; mesial margin strongly convex; outer margin strongly concave; anterior margin almost straight, oblique to longitudinal axis of G1; apex pointing outwards (
<figureCitation id="8EE176A7FFA9A064EF4100C4AFAEFC06" box="[270,400,943,969]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Figs. 6C–E</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EFD200C4AFDDFC06" box="[413,483,943,969]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="11" pageNumber="232">7K, L</figureCitation>
). G2 subterminal segment 1.7–1.8 × as long as flagellum-like terminal segment (n = 3) (
<figureCitation id="8EE176A7FFA9A064EEF100B8AF29FC21" box="[190,279,979,1006]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Fig. 6B</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="5EC039A9FFA9A064EE88009CAD2BFA9A" pageId="11" pageNumber="232" type="etymology">
<paragraph id="16656A22FFA9A064EE88009CAB3CFBFA" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
<emphasis id="24AEB630FFA9A064EE88009CAF70FBDE" bold="true" box="[199,334,1015,1041]" pageId="11" pageNumber="232">Etymology.</emphasis>
The specific name “ 
<taxonomicName id="D1DA11A1FFA9A064EC74009CAD3DFBDF" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[571,771,1015,1040]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum">
<emphasis id="24AEB630FFA9A064EC74009CAD3DFBDF" box="[571,771,1015,1040]" italics="true" pageId="11" pageNumber="232">aureomarginatum</emphasis>
</taxonomicName>
” alludes to the new species’ golden-coloured anterolateral margins of the carapace. The name thus is to be conceived as an adjective in the nominative singular.
</paragraph>
<paragraph id="16656A22FFA9A064EE880755AAE2FB6E" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
<emphasis id="24AEB630FFA9A064EE880755AF57FB97" bold="true" box="[199,361,1086,1112]" pageId="11" pageNumber="232">Colour in life.</emphasis>
Colour variable. Carapace generally brown to dark purple; anterolateral margins, orbital margins, and granules and striae on frontal and lateral regions of carapace golden to bright orange. Ambulatory legs olive yellow to dark purple. Chelipeds light bluish grey to orange. Juveniles usually completely brown.
</paragraph>
<paragraph id="16656A22FFA9A064EE8807C1AD2BFA9A" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
<emphasis id="24AEB630FFA9A064EE8807C1AF14FB0B" bold="true" box="[199,298,1194,1220]" pageId="11" pageNumber="232">Habitat.</emphasis>
<taxonomicName id="D1DA11A1FFA9A064EF7E07C0AC8BFB0B" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[305,693,1195,1221]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064EF7E07C0AC8BFB0B" box="[305,693,1195,1221]" italics="true" pageId="11" pageNumber="232">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064ECF207C0ACC2FB0A" bold="true" box="[701,764,1195,1221]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064ECF207C0ACC2FB0A" box="[701,764,1195,1221]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is a lowland semi-terrestrial species found at around 
<quantity id="D122C7C7FFA9A064EB1A07C0ABA2FB0A" box="[1365,1436,1195,1221]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="232" unit="m" value="100.0">100 m</quantity>
a.s.l. While it is sympatric with 
<taxonomicName id="D1DA11A1FFA9A064EC4F07A4ADB7FB26" baseAuthorityName="Shen" baseAuthorityYear="1940" box="[512,905,1231,1257]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="hongkongense">
<emphasis id="24AEB630FFA9A064EC4F07A4AC8AFB26" box="[512,692,1231,1257]" italics="true" pageId="11" pageNumber="232">Nanhaipotamon</emphasis>
aff. 
<emphasis id="24AEB630FFA9A064ECA607A4ADB7FB26" box="[745,905,1231,1257]" italics="true" pageId="11" pageNumber="232">hongkongense</emphasis>
</taxonomicName>
at the 
<typeStatus id="C961D480FFA9A064ED9907A4AA38FB26" box="[982,1030,1231,1257]" pageId="11" pageNumber="232">type</typeStatus>
locality, the two species seem to be ecologically distinct. The smaller sized 
<taxonomicName id="D1DA11A1FFA9A064EC1E0798AD03FAC2" baseAuthorityName="Shen" baseAuthorityYear="1940" box="[593,829,1267,1293]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="hongkongense">
<emphasis id="24AEB630FFA9A064EC1E0798AC55FAC3" box="[593,619,1267,1292]" italics="true" pageId="11" pageNumber="232">N.</emphasis>
aff. 
<emphasis id="24AEB630FFA9A064ECD20798AD03FAC2" box="[669,829,1267,1293]" italics="true" pageId="11" pageNumber="232">hongkongense</emphasis>
</taxonomicName>
digs in the gravelly soil at the water’s edge next to the larger and fast flowing streams, whereas 
<taxonomicName id="D1DA11A1FFA9A064EC2F067CAD76FAFF" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[608,840,1303,1328]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064EC2F067CAD76FAFF" box="[608,840,1303,1328]" italics="true" pageId="11" pageNumber="232">N. aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064ED01067CADB3FAFE" bold="true" box="[846,909,1303,1329]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064ED01067CADB3FAFE" box="[846,909,1303,1329]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is more terrestrial and prefers to burrow in soft mud near the smaller branches of the hillstream or seeps.
</paragraph>
</subSubSection>
<subSubSection id="5EC039A9FFA9A064EE880634AC0DF8CA" pageId="11" pageNumber="232" type="discussion">
<paragraph id="16656A22FFA9A064EE880634AAF7F956" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
<emphasis id="24AEB630FFA9A064EE880634AF05FAB6" bold="true" box="[199,315,1375,1401]" pageId="11" pageNumber="232">Remarks.</emphasis>
The overall intraspecific morphological variation is low. The general shape of the G 
<quantity id="D122C7C7FFA9A064EB080634AB4BFAB6" box="[1351,1397,1375,1401]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="11" pageNumber="232" unit="in" value="1.0">1 in</quantity>
<taxonomicName id="D1DA11A1FFA9A064EBCC0634AF61FA53" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064EBCC0634AF61FA53" italics="true" pageId="11" pageNumber="232">N. aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064EF2506E8AF93FA52" bold="true" box="[362,429,1411,1437]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064EF2506E8AF93FA52" box="[362,429,1411,1437]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
seems to be quite stable (
<figureCitation id="8EE176A7FFA9A064ECA806E8AD5AFA51" box="[743,868,1411,1438]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Fig. 6C–E</figureCitation>
). While externally a typical 
<taxonomicName id="D1DA11A1FFA9A064EAFC06E8AB59FA52" authorityName="Bott" authorityYear="1968" box="[1203,1383,1411,1437]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="genus">
<emphasis id="24AEB630FFA9A064EAFC06E8AB59FA52" box="[1203,1383,1411,1437]" italics="true" pageId="11" pageNumber="232">Nanhaipotamon</emphasis>
</taxonomicName>
, the proportionately large G1 terminal segment of 
<taxonomicName id="D1DA11A1FFA9A064ECEC06CCADB0FA0F" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[675,910,1447,1472]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064ECEC06CCADB0FA0F" box="[675,910,1447,1472]" italics="true" pageId="11" pageNumber="232">N. aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064EDD906CCADE9FA0E" bold="true" box="[918,983,1447,1473]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064EDD906CCADE9FA0E" box="[918,983,1447,1473]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="8EE176A7FFA9A064EDA706CCAA55FA0E" box="[1000,1131,1447,1473]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Figs. 6C–E</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EA3706CCAA82FA0E" box="[1144,1212,1447,1473]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="11" pageNumber="232">7K, L</figureCitation>
) is unique amongst all congeners, with only the exceptions of 
<taxonomicName id="D1DA11A1FFA9A064EC3106A0ACD5FA2B" authorityName="Huang, Wong &amp; Ahyong" authorityYear="2018" box="[638,747,1483,1508]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="macau">
<emphasis id="24AEB630FFA9A064EC3106A0ACD5FA2B" box="[638,747,1483,1508]" italics="true" pageId="11" pageNumber="232">N. macau</emphasis>
</taxonomicName>
and 
<taxonomicName id="D1DA11A1FFA9A064ED6A06A0ADF5FA2B" authorityName="Cheng, Yang, Zhong &amp; Li" authorityYear="2003" box="[805,971,1483,1508]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="wupingense">
<emphasis id="24AEB630FFA9A064ED6A06A0ADF5FA2B" box="[805,971,1483,1508]" italics="true" pageId="11" pageNumber="232">N. wupingense</emphasis>
</taxonomicName>
(
<figureCitation id="8EE176A7FFA9A064ED9206A0AA5FFA2A" box="[989,1121,1483,1509]" captionStart="FIGURE 3" captionStartId="6.[151,250,1866,1890]" captionTargetBox="[154,1434,453,1842]" captionTargetId="figure-148@6.[154,1434,453,1842]" captionTargetPageId="6" captionText="FIGURE 3. Nanhaipotamon incendium n. sp.: male holotype (31.3 × 25.0 mm), SYSBM 001799 (A–C, F, G); male paratype (27.0 × 21.6 mm), SYSBM 001801 (D); male paratype (25.4 × 20.5 mm), SYSBM 001803 (E); female paratype (32.0 × 25.0 mm), SYSBM 001800 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271450" httpUri="https://zenodo.org/record/5271450/files/figure.png" pageId="11" pageNumber="232">Figs. 3C–E</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EA2206A0AA9FFA2A" box="[1133,1185,1483,1509]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="11" pageNumber="232">7I, J</figureCitation>
; 
<bibRefCitation id="724B17D3FFA9A064EAFF06A0ABBCFA29" author="Huang" box="[1200,1410,1483,1510]" etAl="et al." firstAuthor="Huang" pageId="11" pageNumber="232" pagination="614 - 624" refId="ref9613" refString="Huang, C., Shih, H. - T. &amp; Ahyong, S. T. (2018 a) Two new genera and two new species of narrow-range freshwater crabs from Guangdong, China (Decapoda: Brachyura: Potamidae). Journal of Crustacean Biology, 38, 614 - 624. https: // doi. org / 10.1093 / jcbiol / ruy 050" type="journal article" year="2018">
Huang 
<emphasis id="24AEB630FFA9A064EB4C06A0AB08FA2A" box="[1283,1334,1483,1509]" italics="true" pageId="11" pageNumber="232">et al</emphasis>
. 2018
</bibRefCitation>
b). 
<taxonomicName id="D1DA11A1FFA9A064EED80684AC24F9C7" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[151,538,1519,1545]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064EED80684AC24F9C7" box="[151,538,1519,1545]" italics="true" pageId="11" pageNumber="232">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064EC6F0684AC60F9C6" bold="true" box="[544,606,1519,1545]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064EC6F0684AC60F9C6" box="[544,606,1519,1545]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be nevertheless differentiated from the latter two species by the higher and rounded inner distal margin of the G1 terminal segment (
<figureCitation id="8EE176A7FFA9A064ED730578AD8CF9E2" box="[828,946,1555,1581]" captionStart="FIGURE 6" captionStartId="10.[151,250,1895,1919]" captionTargetBox="[171,1417,489,1872]" captionTargetId="figure-156@10.[171,1417,489,1872]" captionTargetPageId="10" captionText="FIGURE 6. Nanhaipotamon aureomarginatum n. sp.: male holotype (37.7 × 30.7 mm), SYSBM 001807 (A–C, F, G); male paratype (30.9 × 25.3), SYSBM 001809 (D); male paratype (28.9 × 23.2 mm), AM (E); female paratype (33.9 × 28.4 mm), SYSBM 001808 (H, I). (A) left maxilliped III; (B) left G2, ventral view; (C–E) left G1, ventral view; (F, H) major cheliped; (G, I) minor cheliped. Scale bars: A–E = 1.0 mm; F–I = 5.0 mm." figureDoi="http://doi.org/10.5281/zenodo.5271460" httpUri="https://zenodo.org/record/5271460/files/figure.png" pageId="11" pageNumber="232">Fig. 6C–E</figureCitation>
, 
<figureCitation id="8EE176A7FFA9A064EDF30578ADC0F9E2" box="[956,1022,1555,1581]" captionStart="FIGURE 7" captionStartId="12.[151,250,1658,1682]" captionTargetBox="[151,1436,453,1587]" captionTargetId="figure-123@12.[151,1436,453,1635]" captionTargetPageId="12" captionText="FIGURE 7. G1s of species of Nanhaipotamon compared in this study: Nanhaipotamon aculatum Dai, 1997, male (34.9 × 28.3 mm), SYSBM 001176, Bao’an, Shenzhen (A); Nanhaipotamon aculatum, male (40.4 × 31.5 mm), SYSBM 001179, Bao’an, Shenzhen (B); Nanhaipotamon aculatum, male (37.5 × 30.0 mm), SYSBM 001179, Shenzhen (C); Nanhaipotamon aff. aculatum, male (39.7 × 31.9 mm), SYSBM 001776, Boluo, Huizhou (D); Nanhaipotamon cf. hongkongense (Shen, 1940), male (32.0 × 25.4 mm), SYSBM 001780, Yantian, Shenzhen (E); Nanhaipotamon cf. hongkongense, male (31.0 × 25.4 mm), SYSBM 001781, Yantian, Shenzhen (F); Nanhaipotamon cf. hongkongense, male (28.0 × 22.5 mm), SYSBM 001782, Yantian, Shenzhen (G); Nanhaipotamon aff. hongkongense, male (20.5 × 16.2 mm), SYSBM, Huidong, Huizhou (H); Nanhaipotamon incendium n. sp., male holotype (31.3 × 25.0 mm), SYSBM 001799 (I, J); Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807 (K, L). (A–H) left G1, ventral view; (I, K) left G1 terminal segment, ventral view; (J, L) left G1 terminal segment, dorsal view. Scale bars: A–H = 1.0 mm; I–L = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5271462" httpUri="https://zenodo.org/record/5271462/files/figure.png" pageId="11" pageNumber="232">7K, L</figureCitation>
) [vs. G1 terminal segment with inner distal margin lower and sinuous in 
<taxonomicName id="D1DA11A1FFA9A064EC51055CACB4F99F" authorityName="Huang, Wong &amp; Ahyong" authorityYear="2018" box="[542,650,1591,1616]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="macau">
<emphasis id="24AEB630FFA9A064EC51055CACB4F99F" box="[542,650,1591,1616]" italics="true" pageId="11" pageNumber="232">N. macau</emphasis>
</taxonomicName>
(
<bibRefCitation id="724B17D3FFA9A064ECD7055CAD5BF99E" author="Huang" box="[664,869,1591,1617]" etAl="et al." firstAuthor="Huang" pageId="11" pageNumber="232" pagination="614 - 624" refId="ref9613" refString="Huang, C., Shih, H. - T. &amp; Ahyong, S. T. (2018 a) Two new genera and two new species of narrow-range freshwater crabs from Guangdong, China (Decapoda: Brachyura: Potamidae). Journal of Crustacean Biology, 38, 614 - 624. https: // doi. org / 10.1093 / jcbiol / ruy 050" type="journal article" year="2018">
Huang 
<emphasis id="24AEB630FFA9A064ECA4055CAD22F99E" box="[747,796,1591,1617]" italics="true" pageId="11" pageNumber="232">et al</emphasis>
. 2018
</bibRefCitation>
b: fig. 6C) and 
<taxonomicName id="D1DA11A1FFA9A064EA45055CAA91F99F" authorityName="Cheng, Yang, Zhong &amp; Li" authorityYear="2003" box="[1034,1199,1591,1616]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="wupingense">
<emphasis id="24AEB630FFA9A064EA45055CAA91F99F" box="[1034,1199,1591,1616]" italics="true" pageId="11" pageNumber="232">N. wupingense</emphasis>
</taxonomicName>
(
<bibRefCitation id="724B17D3FFA9A064EAF2055CABB4F99E" author="Huang" box="[1213,1418,1591,1617]" etAl="et al." firstAuthor="Huang" pageId="11" pageNumber="232" pagination="614 - 624" refId="ref9613" refString="Huang, C., Shih, H. - T. &amp; Ahyong, S. T. (2018 a) Two new genera and two new species of narrow-range freshwater crabs from Guangdong, China (Decapoda: Brachyura: Potamidae). Journal of Crustacean Biology, 38, 614 - 624. https: // doi. org / 10.1093 / jcbiol / ruy 050" type="journal article" year="2018">
Huang 
<emphasis id="24AEB630FFA9A064EB5F055CAB7FF99E" box="[1296,1345,1591,1617]" italics="true" pageId="11" pageNumber="232">et al</emphasis>
. 2018
</bibRefCitation>
b: fig. 6D)]. In the field, the new species can easily be separated with the sympatric 
<taxonomicName id="D1DA11A1FFA9A064EA600530AB23F9BA" baseAuthorityName="Shen" baseAuthorityYear="1940" box="[1071,1309,1627,1653]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="hongkongense">
<emphasis id="24AEB630FFA9A064EA600530AA77F9BB" box="[1071,1097,1627,1652]" italics="true" pageId="11" pageNumber="232">N.</emphasis>
aff. 
<emphasis id="24AEB630FFA9A064EA320530AB23F9BA" box="[1149,1309,1627,1653]" italics="true" pageId="11" pageNumber="232">hongkongense</emphasis>
</taxonomicName>
by the live colouration (see “colour in life”; 
<figureCitation id="8EE176A7FFA9A064EC450514AC61F956" box="[522,607,1663,1689]" captionStart="FIGURE 8" captionStartId="14.[151,250,1582,1606]" captionTargetBox="[154,1434,705,1559]" captionTargetId="figure-300@14.[154,1434,705,1559]" captionTargetPageId="14" captionText="FIGURE 8. Colour in life. (A) Nanhaipotamon incendium n. sp., male, from type locality, specimen not collected; (B) Nanhaipotamon aff. aculatum Dai, 1997, male, from type locality of Nanhaipotamon incendium n. sp., specimen not collected; (C) Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807, from type locality; (D) Nanhaipotamon aff. hongkongense (Shen, 1940), male, from type locality of Nanhaipotamon aureomarginatum n. sp., specimen not collected." figureDoi="http://doi.org/10.5281/zenodo.5271466" httpUri="https://zenodo.org/record/5271466/files/figure.png" pageId="11" pageNumber="232">Fig. 8C</figureCitation>
) (vs. dark red to red in 
<taxonomicName id="D1DA11A1FFA9A064ED290514AA6AF956" baseAuthorityName="Shen" baseAuthorityYear="1940" box="[870,1108,1663,1689]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="hongkongense">
<emphasis id="24AEB630FFA9A064ED290514ADBFF957" box="[870,897,1663,1688]" italics="true" pageId="11" pageNumber="232">N.</emphasis>
aff. 
<emphasis id="24AEB630FFA9A064EDFB0514AA6AF956" box="[948,1108,1663,1689]" italics="true" pageId="11" pageNumber="232">hongkongense</emphasis>
</taxonomicName>
; 
<figureCitation id="8EE176A7FFA9A064EA2C0514AA82F956" box="[1123,1212,1663,1689]" captionStart="FIGURE 8" captionStartId="14.[151,250,1582,1606]" captionTargetBox="[154,1434,705,1559]" captionTargetId="figure-300@14.[154,1434,705,1559]" captionTargetPageId="14" captionText="FIGURE 8. Colour in life. (A) Nanhaipotamon incendium n. sp., male, from type locality, specimen not collected; (B) Nanhaipotamon aff. aculatum Dai, 1997, male, from type locality of Nanhaipotamon incendium n. sp., specimen not collected; (C) Nanhaipotamon aureomarginatum n. sp., male holotype (37.7 × 30.7 mm), SYSBM 001807, from type locality; (D) Nanhaipotamon aff. hongkongense (Shen, 1940), male, from type locality of Nanhaipotamon aureomarginatum n. sp., specimen not collected." figureDoi="http://doi.org/10.5281/zenodo.5271466" httpUri="https://zenodo.org/record/5271466/files/figure.png" pageId="11" pageNumber="232">Fig. 8D</figureCitation>
).
</paragraph>
<paragraph id="16656A22FFA9A064EE8805C9AC0DF8CA" blockId="11.[151,1437,151,1797]" pageId="11" pageNumber="232">
<emphasis id="24AEB630FFA9A064EE8805C9AF81F972" bold="true" box="[199,447,1698,1725]" pageId="11" pageNumber="232">Conservation status.</emphasis>
<taxonomicName id="D1DA11A1FFA9A064EF8505C8AD6FF973" authority="Huang &amp; Mao &amp; Shih, 2021" authorityName="Huang &amp; Mao &amp; Shih" authorityYear="2021" box="[458,849,1699,1725]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="232" phylum="Arthropoda" rank="species" species="aureomarginatum" status="sp. nov.">
<emphasis id="24AEB630FFA9A064EF8505C8AD6FF973" box="[458,849,1699,1725]" italics="true" pageId="11" pageNumber="232">Nanhaipotamon aureomarginatum</emphasis>
</taxonomicName>
<emphasis id="24AEB630FFA9A064ED1305C8ADA1F972" bold="true" box="[860,927,1699,1725]" pageId="11" pageNumber="232">
<taxonomicNameLabel id="3F9D0B4BFFA9A064ED1305C8ADA1F972" box="[860,927,1699,1725]" pageId="11" pageNumber="232" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is likely highly endemic. Its bright colours make it a prime target for collection for the pet trade. With this consideration, we choose to remain discreet about the exact locality of the new species.
</paragraph>
</subSubSection>
</treatment>
</document>