treatments-xml/data/03/D6/87/03D6878CFFB9FFB2FF78F82BFEDBFD7E.xml

<document id="CA1666F112260ED5FD13A416BFAF7C5F" ID-CLB-Dataset="46465" ID-DOI="10.11646/zootaxa.3764.4.5" ID-GBIF-Dataset="deb858bb-0465-43ad-836b-2fac71c262d1" ID-ISSN="1175-5326" ID-Zenodo-Dep="231168" ID-ZooBank="31041F56-F6EF-47CD-B0CC-C694F636EF57" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460382912253" checkinUser="plazi" docAuthor="Huang, Chao, Mao, Si Ying &amp; Huang, Jian Rong" docDate="2014" docId="03D6878CFFB9FFB2FF78F82BFEDBFD7E" docLanguage="en" docName="zt03764p466.pdf" docOrigin="Zootaxa 3764 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Potamidae Ortmann 1896, new genus" docType="treatment" docVersion="11" lastPageNumber="461" masterDocId="FFEFFFF4FFB9FFB4FFEFFFFDFF80FF91" masterDocTitle="Two new potamid crabs, Yuexipotamon arcophallus new genus, new species and Minutomon shanweiense new genus, new species, (Crustacea: Decapoda: Brachyura: Potamidae) from southern China" masterLastPageNumber="466" masterPageNumber="455" pageNumber="455" updateTime="1698297063811" updateUser="ExternalLinkService">
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<mods:title id="59A05BD02C61C628A04ED5736DB084D5">Two new potamid crabs, Yuexipotamon arcophallus new genus, new species and Minutomon shanweiense new genus, new species, (Crustacea: Decapoda: Brachyura: Potamidae) from southern China</mods:title>
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<mods:namePart id="D63056B91C4B950EE3C672215B1A5C7C">Huang, Chao</mods:namePart>
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<treatment id="03D6878CFFB9FFB2FF78F82BFEDBFD7E" ID-DOI="http://doi.org/10.5281/zenodo.5630229" ID-GBIF-Taxon="119414605" ID-Zenodo-Dep="5630229" LSID="urn:lsid:plazi:treatment:03D6878CFFB9FFB2FF78F82BFEDBFD7E" httpUri="http://treatment.plazi.org/id/03D6878CFFB9FFB2FF78F82BFEDBFD7E" lastPageId="6" lastPageNumber="461" pageId="0" pageNumber="455">
<subSubSection id="C3656511FFB9FFB5FF78F82BFE46FF21" lastPageId="1" lastPageNumber="456" pageId="0" pageNumber="455" type="nomenclature">
<paragraph id="8BC0369AFFB9FFB4FF78F82BFDAEF87E" blockId="0.[151,558,2006,2031]" box="[151,558,2006,2031]" pageId="0" pageNumber="455">
<heading id="D08881F6FFB9FFB4FF78F82BFDAEF87E" bold="true" box="[151,558,2006,2031]" fontSize="10" level="2" pageId="0" pageNumber="455" reason="2">
<emphasis id="B90BEA88FFB9FFB4FF78F82BFDAEF87E" bold="true" box="[151,558,2006,2031]" pageId="0" pageNumber="455">
Family 
<taxonomicName id="4C7F4D19FFB9FFB4FF1DF82BFDAEF87E" ID-CoL="7NKM5" authority="Ortmann, 1896" authorityName="Ortmann" authorityYear="1896" box="[242,558,2006,2031]" class="Malacostraca" family="Potamidae" kingdom="Animalia" order="Decapoda" pageId="0" pageNumber="455" phylum="Arthropoda" rank="family">Potamidae Ortmann, 1896</taxonomicName>
</emphasis>
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<paragraph id="8BC0369AFFB8FFB5FF78FF65FE46FF21" blockId="1.[151,454,151,176]" box="[151,454,151,176]" pageId="1" pageNumber="456">
<taxonomicName id="4C7F4D19FFB8FFB5FF78FF65FEBCFF21" box="[151,316,152,176]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B90BEA88FFB8FFB5FF78FF65FEBCFF21" bold="true" box="[151,316,152,176]" italics="true" pageId="1" pageNumber="456">Yuexipotamon</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FEA5FF6AFE46FF21" bold="true" box="[330,454,151,176]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FEA5FF6AFE46FF21" box="[330,454,151,176]" pageId="1" pageNumber="456" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C3656511FFB8FFB5FF78FF22FC8AFE41" pageId="1" pageNumber="456" type="diagnosis">
<paragraph id="8BC0369AFFB8FFB5FF78FF22FC8AFE41" blockId="1.[151,1436,223,608]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF78FF22FE8AFF69" bold="true" box="[151,266,223,248]" pageId="1" pageNumber="456">Diagnosis</emphasis>
. Carapace subquadrate, with dorsal surface slightly convex, surface pitted, rugose on anterolateral regions (
<figureCitation id="13442A1FFFB8FFB5FF15FEF9FEBEFE8D" box="[250,318,260,285]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
A); postorbital and epigastric cristae distinct, not confluent (
<figureCitation id="13442A1FFFB8FFB5FC08FEF9FBABFE8D" box="[999,1067,260,285]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
A); external orbital tooth bluntly triangular, separated from anterolateral margin by a narrow gap (
<figureCitation id="13442A1FFFB8FFB5FC91FEDAFC44FED1" box="[894,964,295,320]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
A,B); median lobe of posterior margin of epistome broadly triangular (
<figureCitation id="13442A1FFFB8FFB5FE0FFEB1FDA6FEF5" box="[480,550,332,357]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
B); third maxilliped with relatively broad ischium, exopod of third maxilliped reaches beyond anterior edge of ischium, with short flagellum (
<figureCitation id="13442A1FFFB8FFB5FC96FE92FC3FFE19" box="[889,959,367,392]" captionStart="FIGURE 3" captionStartId="4.[151,250,1722,1744]" captionTargetBox="[313,1274,179,1703]" captionTargetId="figure@4.[313,1274,179,1703]" captionTargetPageId="4" captionText="FIGURE 3. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G 2; B, left G 1 (ventral view); C, G 1 terminal segment (ventral view); D, left third maxilliped. (white bar = 1.0 mm)." httpUri="https://zenodo.org/record/231171/files/figure.png" pageId="1" pageNumber="456">Fig. 3</figureCitation>
D); male abdomen triangular, telson with concave lateral margins, rounded tip (
<figureCitation id="13442A1FFFB8FFB5FDACFE69FD08FE3D" box="[579,648,404,429]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
C); G1 generally slender, straight with bifurcated distal segment (
<figureCitation id="13442A1FFFB8FFB5FA81FE69FF26FE41" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="1" pageNumber="456">Fig. 2</figureCitation>
D, 3B, C); basal segment of G2 subquadrate (
<figureCitation id="13442A1FFFB8FFB5FD4BFE4AFD66FE41" box="[676,742,439,464]" captionStart="FIGURE 3" captionStartId="4.[151,250,1722,1744]" captionTargetBox="[313,1274,179,1703]" captionTargetId="figure@4.[313,1274,179,1703]" captionTargetPageId="4" captionText="FIGURE 3. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G 2; B, left G 1 (ventral view); C, G 1 terminal segment (ventral view); D, left third maxilliped. (white bar = 1.0 mm)." httpUri="https://zenodo.org/record/231171/files/figure.png" pageId="1" pageNumber="456">Fig. 3</figureCitation>
A).
</paragraph>
</subSubSection>
<subSubSection id="C3656511FFB8FFB5FF28FE21FAFFFD86" pageId="1" pageNumber="456" type="etymology">
<paragraph id="8BC0369AFFB8FFB5FF28FE21FAFFFD86" blockId="1.[151,1436,223,608]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF28FE21FEC6FE64" bold="true" box="[199,326,476,501]" pageId="1" pageNumber="456">Etymology</emphasis>
. The genus name is derived from the Chinese word for West Canton, 
<emphasis id="B90BEA88FFB8FFB5FB95FE20FB41FE65" box="[1146,1217,477,500]" italics="true" pageId="1" pageNumber="456">Yue Xi</emphasis>
, which is the 
<typeStatus id="54C48838FFB8FFB5FA83FE20FA1CFE64" box="[1388,1436,477,501]" pageId="1" pageNumber="456">type</typeStatus>
locality. The suffix 
<taxonomicName id="4C7F4D19FFB8FFB5FE9EFDFCFE53FD89" box="[369,467,513,536]" class="Malacostraca" family="Potamidae" genus="Potamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="461" phylum="Arthropoda" rank="genus">
<emphasis id="B90BEA88FFB8FFB5FE9EFDFCFE53FD89" box="[369,467,513,536]" italics="true" pageId="1" pageNumber="456">potamon</emphasis>
</taxonomicName>
refers to the 
<typeStatus id="54C48838FFB8FFB5FD88FDFDFD17FD89" box="[615,663,512,536]" pageId="1" pageNumber="456">type</typeStatus>
genus of the 
<taxonomicName id="4C7F4D19FFB8FFB5FCC1FE02FC24FD89" box="[814,932,511,536]" class="Malacostraca" family="Potamidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="family">Potamidae</taxonomicName>
family, 
<taxonomicName id="4C7F4D19FFB8FFB5FBEFFDFCFBE5FD89" box="[1024,1125,513,536]" class="Malacostraca" family="Potamidae" genus="Potamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus">
<emphasis id="B90BEA88FFB8FFB5FBEFFDFCFBE5FD89" box="[1024,1125,513,536]" italics="true" pageId="1" pageNumber="456">Potamon</emphasis>
</taxonomicName>
. Gender of genus neuter.
</paragraph>
</subSubSection>
<subSubSection id="C3656511FFB8FFB5FF28FDD9FBE6FDF1" pageId="1" pageNumber="456" type="discussion">
<paragraph id="8BC0369AFFB8FFB5FF28FDD9FBE6FDF1" blockId="1.[151,1436,223,608]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF28FDD9FEB4FDAC" bold="true" box="[199,308,548,573]" pageId="1" pageNumber="456">Remarks</emphasis>
. Although 
<taxonomicName id="4C7F4D19FFB8FFB5FE5BFDD8FDF1FDAD" box="[436,625,549,572]" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus">
<emphasis id="B90BEA88FFB8FFB5FE5BFDD8FDF1FDAD" box="[436,625,549,572]" italics="true" pageId="1" pageNumber="456">Huananpotamon</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C7F4D19FFB8FFB5FD48FDD8FCC4FDAD" box="[679,836,549,572]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B90BEA88FFB8FFB5FD48FDD8FCC4FDAD" box="[679,836,549,572]" italics="true" pageId="1" pageNumber="456">Yuexipotamon</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FCBBFDD9FC50FDAC" bold="true" box="[852,976,548,573]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FCBBFDD9FC50FDAC" box="[852,976,548,573]" pageId="1" pageNumber="456" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
, are superficially similar, 
<taxonomicName id="4C7F4D19FFB8FFB5FB18FDD8FA14FDAD" box="[1271,1428,549,572]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B90BEA88FFB8FFB5FB18FDD8FA14FDAD" box="[1271,1428,549,572]" italics="true" pageId="1" pageNumber="456">Yuexipotamon</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FF78FDBAFE92FDF1" bold="true" box="[151,274,583,608]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FF78FDBAFE92FDF1" box="[151,274,583,608]" pageId="1" pageNumber="456" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
, can easily be distinguished from by a large number of characters (
<tableCitation id="C6FD0321FFB8FFB5FBEEFDBAFBD5FDF1" box="[1025,1109,583,608]" captionStart="TABLE 1" captionStartId="1.[151,239,686,709]" captionTargetBox="[159,1412,737,1191]" captionTargetPageId="1" captionText="TABLE 1. Morphological differences among Huananpotamon Dai &amp; Ng, 1994, and Yuexipotamon, new genus." httpUri="http://table.plazi.org/id/DF006612FFB8FFB5FF78FD53FAC2FD54" pageId="1" pageNumber="456" tableUuid="DF006612FFB8FFB5FF78FD53FAC2FD54">Table 1</tableCitation>
).
</paragraph>
</subSubSection>
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<paragraph id="8BC0369AFFB8FFB5FF78FD53FAC2FD54" blockId="1.[151,1346,686,709]" box="[151,1346,686,709]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF78FD53FE89FD54" bold="true" box="[151,265,686,709]" pageId="1" pageNumber="456">TABLE 1.</emphasis>
Morphological differences among 
<taxonomicName id="4C7F4D19FFB8FFB5FD6EFD53FC6AFD54" authority="Dai &amp; Ng, 1994" authorityName="Dai &amp; Ng" authorityYear="1994" box="[641,1002,686,709]" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus">
<emphasis id="B90BEA88FFB8FFB5FD6EFD53FCB4FD54" box="[641,820,686,709]" italics="true" pageId="1" pageNumber="456">Huananpotamon</emphasis>
Dai &amp; Ng, 1994
</taxonomicName>
, and 
<taxonomicName id="4C7F4D19FFB8FFB5FBCEFD53FB37FD54" box="[1057,1207,686,709]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B90BEA88FFB8FFB5FBCEFD53FB37FD54" box="[1057,1207,686,709]" italics="true" pageId="1" pageNumber="456">Yuexipotamon</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FB2AFD53FABAFD54" bold="true" box="[1221,1338,686,709]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FB2AFD53FABAFD54" box="[1221,1338,686,709]" pageId="1" pageNumber="456" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
.
</paragraph>
</caption>
<paragraph id="8BC0369AFFB8FFB5FF70FD1CFAD7FB36" pageId="1" pageNumber="456">
<table id="F97FC43AFFB8004BFF70FD1CFA04FB36" box="[159,1412,737,1191]" gridcols="3" gridrows="7" pageId="1" pageNumber="456">
<tr id="354F34D8FFB8004BFF70FD1CFA04FD66" box="[159,1412,737,759]" gridrow="0" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FD1CFE50FD66" box="[159,464,737,759]" gridcol="0" gridrow="0" pageId="1" pageNumber="456">Character</th>
<th id="769E5DA4FFB8004BFE16FD1CFC5DFD66" box="[505,989,737,759]" gridcol="1" gridrow="0" pageId="1" pageNumber="456">
<taxonomicName id="4C7F4D19FFB8FFB5FE16FD1FFCCDFD66" authority="Dai &amp; Ng, 1994" authorityName="Dai &amp; Ng" authorityYear="1994" box="[505,845,737,759]" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus">
<emphasis id="B90BEA88FFB8FFB5FE16FD1FFD23FD66" box="[505,675,738,759]" italics="true" pageId="1" pageNumber="456">Huananpotamon</emphasis>
Dai &amp; Ng, 1994
</taxonomicName>
</th>
<th id="769E5DA4FFB8004BFC1CFD1CFA04FD66" box="[1011,1412,737,759]" gridcol="2" gridrow="0" pageId="1" pageNumber="456">
<taxonomicName id="4C7F4D19FFB8FFB5FC1CFD1FFB01FD66" box="[1011,1153,738,759]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B90BEA88FFB8FFB5FC1CFD1FFB01FD66" box="[1011,1153,738,759]" italics="true" pageId="1" pageNumber="456">Yuexipotamon</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FB61FD1CFB7EFD67" bold="true" box="[1166,1278,737,758]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FB61FD1CFB7EFD67" box="[1166,1278,737,758]" pageId="1" pageNumber="456" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
</th>
</tr>
<tr id="354F34D8FFB8004BFF70FCF7FA04FCAE" box="[159,1412,778,831]" gridrow="1" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FCF7FE50FCAE" box="[159,464,778,831]" gridcol="0" gridrow="1" pageId="1" pageNumber="456">Gap between external orbital tooth and anterolateral margin</th>
<td id="769E5DA4FFB8004BFE16FCF7FC5DFCAE" box="[505,989,778,831]" gridcol="1" gridrow="1" pageId="1" pageNumber="456">
Distinctly visible, relatively large (cf. Cheng 
<emphasis id="B90BEA88FFB8FFB5FC2CFCF6FD94FCAE" italics="true" pageId="1" pageNumber="456">et al.</emphasis>
2008: fig. 1)
</td>
<td id="769E5DA4FFB8004BFC1CFCF7FA04FCAE" box="[1011,1412,778,831]" gridcol="2" gridrow="1" pageId="1" pageNumber="456">Small (Fig. 2A)</td>
</tr>
<tr id="354F34D8FFB8004BFF70FCAFFA04FC16" box="[159,1412,850,903]" gridrow="2" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FCAFFE50FC16" box="[159,464,850,903]" gridcol="0" gridrow="2" pageId="1" pageNumber="456">Anterolateral margin</th>
<td id="769E5DA4FFB8004BFE16FCAFFC5DFC16" box="[505,989,850,903]" gridcol="1" gridrow="2" pageId="1" pageNumber="456">
Slightly convex with median region nearly straight (cf. Cheng 
<emphasis id="B90BEA88FFB8FFB5FD53FC8FFD70FC16" box="[700,752,881,903]" italics="true" pageId="1" pageNumber="456">et al.</emphasis>
2008: fig. 1)
</td>
<td id="769E5DA4FFB8004BFC1CFCAFFA04FC16" box="[1011,1412,850,903]" gridcol="2" gridrow="2" pageId="1" pageNumber="456">Evenly and strongly convex (Fig. 2A)</td>
</tr>
<tr id="354F34D8FFB8004BFF70FC67FA04FC5E" box="[159,1412,922,975]" gridrow="3" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FC67FE50FC5E" box="[159,464,922,975]" gridcol="0" gridrow="3" pageId="1" pageNumber="456">Flagellum of third maxilliped</th>
<td id="769E5DA4FFB8004BFE16FC67FC5DFC5E" box="[505,989,922,975]" gridcol="1" gridrow="3" pageId="1" pageNumber="456">Long, exceeds half width of merus (cf. Dai &amp; Ng 1994: fig. 1)</td>
<td id="769E5DA4FFB8004BFC1CFC67FA04FC5E" box="[1011,1412,922,975]" gridcol="2" gridrow="3" pageId="1" pageNumber="456">Short, does not exceed half width of merus (Fig. 3D)</td>
</tr>
<tr id="354F34D8FFB8004BFF70FC1FFA04FB86" box="[159,1412,994,1047]" gridrow="4" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FC1FFE50FB86" box="[159,464,994,1047]" gridcol="0" gridrow="4" pageId="1" pageNumber="456">Suture between thoracic sternites 2, 3</th>
<td id="769E5DA4FFB8004BFE16FC1FFC5DFB86" box="[505,989,994,1047]" gridcol="1" gridrow="4" pageId="1" pageNumber="456">Sinuous, distinct (unpublished data)</td>
<td id="769E5DA4FFB8004BFC1CFC1FFA04FB86" box="[1011,1412,994,1047]" gridcol="2" gridrow="4" pageId="1" pageNumber="456">Shallow, not prominent (Fig. 4C)</td>
</tr>
<tr id="354F34D8FFB8004BFF70FBD7FA04FBD1" box="[159,1412,1066,1088]" gridrow="5" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FBD7FE50FBD1" box="[159,464,1066,1088]" gridcol="0" gridrow="5" pageId="1" pageNumber="456">Lateral margin of male telson</th>
<td id="769E5DA4FFB8004BFE16FBD7FC5DFBD1" box="[505,989,1066,1088]" gridcol="1" gridrow="5" pageId="1" pageNumber="456">
Almost straight (cf. Cheng 
<emphasis id="B90BEA88FFB8FFB5FCE2FBD6FCC1FBD1" box="[781,833,1066,1088]" italics="true" pageId="1" pageNumber="456">et al.</emphasis>
2008: fig. 1)
</td>
<td id="769E5DA4FFB8004BFC1CFBD7FA04FBD1" box="[1011,1412,1066,1088]" gridcol="2" gridrow="5" pageId="1" pageNumber="456">Slightly concave (Fig. 2C)</td>
</tr>
<tr id="354F34D8FFB8004BFF70FBA9FA04FB36" box="[159,1412,1108,1191]" gridrow="6" pageId="1" pageNumber="456">
<th id="769E5DA4FFB8004BFF70FBA9FE50FB36" box="[159,464,1108,1191]" gridcol="0" gridrow="6" pageId="1" pageNumber="456">G1</th>
<td id="769E5DA4FFB8004BFE16FBA9FC5DFB36" box="[505,989,1108,1191]" gridcol="1" gridrow="6" pageId="1" pageNumber="456">Slender, terminal segment relatively long; distal half of subterminal segment slender, neck-like (cf. Dai &amp; Ng 1994: table. 1)</td>
<td id="769E5DA4FFB8004BFC1CFBA9FA04FB36" box="[1011,1412,1108,1191]" gridcol="2" gridrow="6" pageId="1" pageNumber="456">Relatively stouter, terminal segment relatively short, bifurcated; subterminal segment stout, straight (Fig. 3B, C)</td>
</tr>
</table>
</paragraph>
<subSubSection id="C3656511FFB8FFB5FF28FB11FB00F821" pageId="1" pageNumber="456" type="materials_examined">
<paragraph id="8BC0369AFFB8FFB5FF28FB11FE07F991" blockId="1.[151,1436,1260,1536]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF28FB11FE55FA94" bold="true" box="[199,469,1260,1285]" pageId="1" pageNumber="456">Comparative material</emphasis>
. 
<taxonomicName id="4C7F4D19FFB8FFB5FE08FB10FB01FA94" authority="Dai, Zhou &amp; Peng, 1995" authorityName="Dai, Zhou &amp; Peng" authorityYear="1995" box="[487,1153,1260,1285]" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="species" species="chongrenense">
<emphasis id="B90BEA88FFB8FFB5FE08FB10FCC9FA95" box="[487,841,1260,1284]" italics="true" pageId="1" pageNumber="456">Huananpotamon chongrenense</emphasis>
<bibRefCitation id="EFEE4B6BFFB8FFB5FCB9FB11FB01FA94" author="Dai" box="[854,1153,1260,1285]" pageId="1" pageNumber="456" refString="Dai, A. Y., Zhou, X. M. &amp; Peng, W. D. (1995) On seven new species of freshwater crabs of the genus Huananpotamon Dai &amp; Ng, 1994 (Crustacea: Decapoda: Brachyura: Potamidae) from Jiangxi Province, Southern China. Raffles Bulletin of Zoology, 43 (2), 417 - 433." type="journal article" year="1995">Dai, Zhou &amp; Peng, 1995</bibRefCitation>
</taxonomicName>
: 
<typeStatus id="54C48838FFB8FFB5FB7FFB11FB72FA94" box="[1168,1266,1260,1285]" pageId="1" pageNumber="456" type="holotype">holotype</typeStatus>
male (AS-CB 05123), Chongren County, Jiangxi Province, 
<collectingCountry id="F368760AFFB8FFB5FD42FAF2FD72FAB9" box="[685,754,1295,1320]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, October, 1989 [photographs examined]; 
<taxonomicName id="4C7F4D19FFB8FFB5FB0FFAECFDC5FADC" authority="Dai, Zhou &amp; Peng, 1995" authorityName="Dai, Zhou &amp; Peng" authorityYear="1995" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="species" species="lichuanense">
<emphasis id="B90BEA88FFB8FFB5FB0FFAECFE9DFADD" italics="true" pageId="1" pageNumber="456">Huananpotamon lichuanense</emphasis>
<bibRefCitation id="EFEE4B6BFFB8FFB5FECAFAC9FDC5FADC" author="Dai" box="[293,581,1332,1357]" pageId="1" pageNumber="456" refString="Dai, A. Y., Zhou, X. M. &amp; Peng, W. D. (1995) On seven new species of freshwater crabs of the genus Huananpotamon Dai &amp; Ng, 1994 (Crustacea: Decapoda: Brachyura: Potamidae) from Jiangxi Province, Southern China. Raffles Bulletin of Zoology, 43 (2), 417 - 433." type="journal article" year="1995">Dai, Zhou &amp; Peng, 1995</bibRefCitation>
</taxonomicName>
: 
<typeStatus id="54C48838FFB8FFB5FDBDFAC9FD34FADC" box="[594,692,1332,1357]" pageId="1" pageNumber="456" type="holotype">holotype</typeStatus>
male (AS-CB 05116), Lichuan County, Jiangxi Province, 
<collectingCountry id="F368760AFFB8FFB5FABDFAC9FA18FADC" box="[1362,1432,1332,1357]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, July, 1980 [photographs examined]; 
<taxonomicName id="4C7F4D19FFB8FFB5FDDBFAA4FB0CFAE1" authority="Dai, Zhou &amp; Peng, 1995" authorityName="Dai, Zhou &amp; Peng" authorityYear="1995" box="[564,1164,1367,1392]" class="Malacostraca" family="Potamidae" genus="Huananpotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="species" species="ruijinense">
<emphasis id="B90BEA88FFB8FFB5FDDBFAA4FCE8FAFE" box="[564,872,1368,1392]" italics="true" pageId="1" pageNumber="456">Huananpotamon ruijinense</emphasis>
<bibRefCitation id="EFEE4B6BFFB8FFB5FC9EFAAAFB0CFAE1" author="Dai" box="[881,1164,1367,1392]" pageId="1" pageNumber="456" refString="Dai, A. Y., Zhou, X. M. &amp; Peng, W. D. (1995) On seven new species of freshwater crabs of the genus Huananpotamon Dai &amp; Ng, 1994 (Crustacea: Decapoda: Brachyura: Potamidae) from Jiangxi Province, Southern China. Raffles Bulletin of Zoology, 43 (2), 417 - 433." type="journal article" year="1995">Dai, Zhou &amp; Peng, 1995</bibRefCitation>
</taxonomicName>
: 
<typeStatus id="54C48838FFB8FFB5FB77FAAAFB7AFAE1" box="[1176,1274,1367,1392]" pageId="1" pageNumber="456" type="holotype">holotype</typeStatus>
male (AS-CB 05123), Baying County, Ruijin City, Jiangxi Province, 
<collectingCountry id="F368760AFFB8FFB5FCB7FA81FC1EFA04" box="[856,926,1404,1429]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, October, 1989 [photographs examined]; 
<taxonomicName id="4C7F4D19FFB8FFB5FF78FA5DFD13FA29" authority="Dai, 1997: 1" authorityName="Dai" authorityPageNumber="1" authorityYear="1997" box="[151,659,1439,1464]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="species" species="guangdongense">
<emphasis id="B90BEA88FFB8FFB5FF78FA5DFD82FA29" box="[151,514,1440,1464]" italics="true" pageId="1" pageNumber="456">Nanhaipotamon guangdongense</emphasis>
Dai, 1997: 
<specimenCount id="9D79FD13FFB8FFB5FD6AFA5DFD13FA29" box="[645,659,1440,1464]" pageId="1" pageNumber="456" type="male">1</specimenCount>
</taxonomicName>
male (36.2 × 
<quantity id="4C879B7FFFB8FFB5FCC0FA5DFC13FA29" box="[815,915,1440,1464]" metricMagnitude="-2" metricUnit="m" metricValue="2.84" pageId="1" pageNumber="456" unit="mm" value="28.4">28.4 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FC45FA5DFC73FA29" LSID="urn:lsid:biocol.org:col:13728" box="[938,1011,1440,1464]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001003), Zhuhai, Guangdong, 
<collectingCountry id="F368760AFFB8FFB5FABDFA62FA18FA29" box="[1362,1432,1439,1464]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, coll. C. Huang, 
<date id="FFC1105AFFB8FFB5FEBEFA39FD95FA4D" box="[337,533,1476,1501]" pageId="1" pageNumber="456" value="2011-02-01">
February 2011, 
<specimenCount id="9D79FD13FFB8FFB5FDE8FA39FD95FA4D" box="[519,533,1476,1500]" pageId="1" pageNumber="456" type="male">1</specimenCount>
</date>
male (30.5 × 
<quantity id="4C879B7FFFB8FFB5FD52FA39FCA5FA4D" box="[701,805,1476,1500]" metricMagnitude="-2" metricUnit="m" metricValue="2.43" pageId="1" pageNumber="456" unit="mm" value="24.3">24.3 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FCD0FA39FC08FA4D" LSID="urn:lsid:biocol.org:col:13728" box="[831,904,1476,1500]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001004), Zhuhai, Guangdong, 
<collectingCountry id="F368760AFFB8FFB5FB1BFA39FABAFA4C" box="[1268,1338,1476,1501]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, coll. C. Huang, 
<date id="FFC1105AFFB8FFB5FF00FA15FE03F991" box="[239,387,1512,1536]" pageId="1" pageNumber="456" value="2012-08">August 2012</date>
.
</paragraph>
<paragraph id="8BC0369AFFB8FFB5FF78F9A9FE92F901" blockId="1.[151,612,1619,1680]" pageId="1" pageNumber="456">
<taxonomicName id="4C7F4D19FFB8FFB5FF78F9A9FE4CF9FD" box="[151,460,1619,1644]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="456" phylum="Arthropoda" rank="species" species="arcophallus" status="sp. nov.">
<emphasis id="B90BEA88FFB8FFB5FF78F9A9FE4CF9FD" bold="true" box="[151,460,1619,1644]" italics="true" pageId="1" pageNumber="456">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFB8FFB5FE36F9A9FDE4F9FC" bold="true" box="[473,612,1620,1645]" pageId="1" pageNumber="456">
<taxonomicNameLabel id="A23857F3FFB8FFB5FE36F9A9FDE4F9FC" box="[473,612,1620,1645]" pageId="1" pageNumber="456" rank="species">new species</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="13442A1FFFB8FFB5FF70F98AFE88F901" box="[159,264,1655,1680]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStart-4="FIGURE 5" captionStartId-0="2.[151,250,1912,1934]" captionStartId-1="3.[151,250,1043,1065]" captionStartId-2="4.[151,250,1722,1744]" captionStartId-3="5.[151,250,1152,1174]" captionStartId-4="5.[151,250,1919,1941]" captionTargetBox-0="[153,1433,193,1889]" captionTargetBox-1="[153,1433,193,1021]" captionTargetBox-2="[313,1274,179,1703]" captionTargetBox-3="[181,1404,413,1126]" captionTargetBox-4="[153,1433,1254,1897]" captionTargetId-0="figure@2.[153,1433,193,1891]" captionTargetId-1="figure@3.[153,1433,193,1021]" captionTargetId-2="figure@4.[313,1274,179,1703]" captionTargetId-3="figure@5.[176,1410,409,1130]" captionTargetId-4="figure@5.[153,1433,1254,1898]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionTargetPageId-4="5" captionText-0="FIGURE 1. Yuexipotamon arcophallus, new genus, new species, colour in life. A, male holotype (21.7 × 18.1 mm) (SYSU 001005); B, typical burrow, arrows point at the two entrances." captionText-1="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." captionText-2="FIGURE 3. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G 2; B, left G 1 (ventral view); C, G 1 terminal segment (ventral view); D, left third maxilliped. (white bar = 1.0 mm)." captionText-3="FIGURE 4. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G 1 (ventral view); B, G 1 terminal segment (ventral view); C, anterior thoracic sternum." captionText-4="FIGURE 5. Yuexipotamon arcophallus, new genus, new species. Intraspecific variation. Left G 1 s (ventral views). A, holotype male (21.7 × 18.1 mm) (SYSU 001005); B, paratype male (21.6 × 18.1 mm) (SYSU 001008); C, paratype male (18.6 × 15.1 mm) (SYSU 001009); D, paratype male (19.6 × 17.2 mm) (SYSU 001007)." httpUri-0="https://zenodo.org/record/231169/files/figure.png" httpUri-1="https://zenodo.org/record/231170/files/figure.png" httpUri-2="https://zenodo.org/record/231171/files/figure.png" httpUri-3="https://zenodo.org/record/231172/files/figure.png" httpUri-4="https://zenodo.org/record/231173/files/figure.png" pageId="1" pageNumber="456">Figs. 1–5</figureCitation>
)
</paragraph>
<paragraph id="8BC0369AFFB8FFB5FF78F942FB00F821" blockId="1.[151,1436,1727,1968]" pageId="1" pageNumber="456">
<emphasis id="B90BEA88FFB8FFB5FF78F942FEFBF949" bold="true" box="[151,379,1727,1752]" pageId="1" pageNumber="456">Material examined</emphasis>
. 
<typeStatus id="54C48838FFB8FFB5FE63F942FE79F949" box="[396,505,1727,1752]" pageId="1" pageNumber="456" type="holotype">Holotype</typeStatus>
: male (21.7 × 
<quantity id="4C879B7FFFB8FFB5FD4DF93DFC89F949" box="[674,777,1728,1752]" metricMagnitude="-2" metricUnit="m" metricValue="1.81" pageId="1" pageNumber="456" unit="mm" value="18.1">18.1 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FCCCF93DFCECF949" LSID="urn:lsid:biocol.org:col:13728" box="[803,876,1728,1752]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001005), Zhaoqing, Guangdong, 
<collectingCountry id="F368760AFFB8FFB5FB1DF942FAB8F949" box="[1266,1336,1727,1752]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, shallow creek, among detritus, coll. J.Y. Li, 
<date id="FFC1105AFFB8FFB5FDC1F918FD25F96D" box="[558,677,1764,1789]" pageId="1" pageNumber="456" value="2012-05">May 2012</date>
. 
<typeStatus id="54C48838FFB8FFB5FD5EF918FCA2F96C" box="[689,802,1765,1789]" pageId="1" pageNumber="456" type="paratype">Paratypes</typeStatus>
: 
<specimenCount id="9D79FD13FFB8FFB5FCC2F919FC10F96C" box="[813,912,1764,1789]" pageId="1" pageNumber="456" type="female">1 female</specimenCount>
(allotype) (16.7 × 
<quantity id="4C879B7FFFB8FFB5FB87F919FB4EF96D" box="[1128,1230,1764,1788]" metricMagnitude="-2" metricUnit="m" metricValue="1.29" pageId="1" pageNumber="456" unit="mm" value="12.9">12.9 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FB09F919FAAFF96D" LSID="urn:lsid:biocol.org:col:13728" box="[1254,1327,1764,1788]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001006), Zhaoqing, Guangdong, 
<collectingCountry id="F368760AFFB8FFB5FE4FF8FAFE66F8B1" box="[416,486,1799,1824]" name="China" pageId="1" pageNumber="456">China</collectingCountry>
, water-logged forest floor, mud burrow, coll. C. Huang, 
<date id="FFC1105AFFB8FFB5FBB6F8FAFB63F8B1" box="[1113,1251,1799,1824]" pageId="1" pageNumber="456" value="2013-03">March 2013</date>
; 
<specimenCount id="9D79FD13FFB8FFB5FB00F8F5FAC4F8B1" box="[1263,1348,1799,1824]" pageId="1" pageNumber="456" type="male">3 males</specimenCount>
(19.6 × 
<quantity id="4C879B7FFFB8FFB5FF78F8D1FF7DF8D5" box="[151,253,1836,1860]" metricMagnitude="-2" metricUnit="m" metricValue="1.72" pageId="1" pageNumber="456" unit="mm" value="17.2">17.2 mm</quantity>
, 21.6 × 
<quantity id="4C879B7FFFB8FFB5FEB8F8D1FE3CF8D5" box="[343,444,1836,1860]" metricMagnitude="-2" metricUnit="m" metricValue="1.81" pageId="1" pageNumber="456" unit="mm" value="18.1">18.1 mm</quantity>
, 18.6 × 
<quantity id="4C879B7FFFB8FFB5FDF9F8D1FDFCF8D5" box="[534,636,1836,1861]" metricMagnitude="-2" metricUnit="m" metricValue="1.51" pageId="1" pageNumber="456" unit="mm" value="15.1">15.1 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FD7DF8D1FD5AF8D5" LSID="urn:lsid:biocol.org:col:13728" box="[658,730,1836,1860]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001007–001009), same data as allotype; 
<specimenCount id="9D79FD13FFB8FFB5FB4AF8D1FB70F8D4" box="[1189,1264,1836,1861]" pageId="1" pageNumber="456" type="male">1 male</specimenCount>
(19.78 × 
<quantity id="4C879B7FFFB8FFB5FAB2F8D1FF44F8F9" metricMagnitude="-2" metricUnit="m" metricValue="1.555" pageId="1" pageNumber="456" unit="mm" value="15.55">15.55 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FF30F8ADFE97F8F9" box="[223,279,1872,1896]" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="1" pageNumber="456">ZRC</collectionCode>
2013. 1807), same data as allotype; 
<specimenCount id="9D79FD13FFB8FFB5FD20F8ADFCB4F8F9" box="[719,820,1871,1896]" pageId="1" pageNumber="456" type="female">1 female</specimenCount>
(18.3 × 
<quantity id="4C879B7FFFB8FFB5FC4FF8ADFB89F8F9" box="[928,1033,1872,1896]" metricMagnitude="-2" metricUnit="m" metricValue="1.42" pageId="1" pageNumber="456" unit="mm" value="14.2">14.2 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FBCBF8ADFBDCF8F9" box="[1060,1116,1872,1896]" httpUri="http://grbio.org/cool/16z4-1tbx" name="Zoological Reference Collection, National University of Singapore" pageId="1" pageNumber="456">ZRC</collectionCode>
2013. 1807), same data as allotype; Others: 
<specimenCount id="9D79FD13FFB8FFB5FEB1F889FE37F81C" box="[350,439,1908,1933]" pageId="1" pageNumber="456" type="male">2 males</specimenCount>
(14.8 × 
<quantity id="4C879B7FFFB8FFB5FDF2F889FD04F81D" box="[541,644,1908,1932]" metricMagnitude="-2" metricUnit="m" metricValue="1.17" pageId="1" pageNumber="456" unit="mm" value="11.7">11.7 mm</quantity>
, 13.1 × 
<quantity id="4C879B7FFFB8FFB5FD0AF889FCCDF81D" box="[741,845,1908,1932]" metricMagnitude="-2" metricUnit="m" metricValue="1.04" pageId="1" pageNumber="456" unit="mm" value="10.4">10.4 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FC89F889FC2FF81D" LSID="urn:lsid:biocol.org:col:13728" box="[870,943,1908,1932]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001010–001011), same data as allotype; 
<specimenCount id="9D79FD13FFB8FFB5FA61F889FF6EF821" pageId="1" pageNumber="456" type="female">2 females</specimenCount>
(14.6 × 
<quantity id="4C879B7FFFB8FFB5FEA2F865FE32F821" box="[333,434,1944,1968]" metricMagnitude="-2" metricUnit="m" metricValue="1.17" pageId="1" pageNumber="456" unit="mm" value="11.7">11.7 mm</quantity>
, 9.7 × 
<quantity id="4C879B7FFFB8FFB5FE11F865FDD5F821" box="[510,597,1944,1968]" metricMagnitude="-3" metricUnit="m" metricValue="7.9" pageId="1" pageNumber="456" unit="mm" value="7.9">7.9 mm</quantity>
) (
<collectionCode id="ED6EAE5FFFB8FFB5FD83F865FD35F821" LSID="urn:lsid:biocol.org:col:13728" box="[620,693,1944,1968]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13728" name="National Sun Yat-Sen University, Department of Biological Sciences" pageId="1" pageNumber="456">SYSU</collectionCode>
001012–001013), same data as allotype.
</paragraph>
</subSubSection>
<caption id="DF006612FFBBFFB6FF78F885FC8CF83C" httpUri="https://zenodo.org/record/231169/files/figure.png" pageId="2" pageNumber="457" targetBox="[153,1433,193,1889]" targetPageId="2">
<paragraph id="8BC0369AFFBBFFB6FF78F885FC8CF83C" blockId="2.[151,1435,1912,1965]" pageId="2" pageNumber="457">
<emphasis id="B90BEA88FFBBFFB6FF78F885FE95F81C" bold="true" box="[151,277,1912,1934]" pageId="2" pageNumber="457">FIGURE 1.</emphasis>
<taxonomicName id="4C7F4D19FFBBFFB6FEF3F884FDAAF81F" box="[284,554,1912,1934]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="457" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBBFFB6FEF3F884FDAAF81F" box="[284,554,1912,1934]" italics="true" pageId="2" pageNumber="457">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBBFFB6FDD6F884FCB7F81F" bold="true" box="[569,823,1912,1934]" pageId="2" pageNumber="457">
<taxonomicNameLabel id="A23857F3FFBBFFB6FDD6F884FD2BF81F" box="[569,683,1913,1934]" pageId="2" pageNumber="457" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, colour in life. A, male holotype (21.7 × 18.1 mm) (SYSU 001005); B, typical burrow, arrows point at the two entrances.
</paragraph>
</caption>
<caption id="DF006612FFBAFFB7FF78FBEEFC00FBF7" httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458" targetBox="[153,1433,193,1021]" targetPageId="3">
<paragraph id="8BC0369AFFBAFFB7FF78FBEEFC00FBF7" blockId="3.[151,1436,1043,1126]" pageId="3" pageNumber="458">
<emphasis id="B90BEA88FFBAFFB7FF78FBEEFE93FBB9" bold="true" box="[151,275,1043,1065]" pageId="3" pageNumber="458">FIGURE 2.</emphasis>
<taxonomicName id="4C7F4D19FFBAFFB7FEF5FBE9FDA7FBB8" box="[282,551,1043,1065]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="458" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBAFFB7FEF5FBE9FDA7FBB8" box="[282,551,1043,1065]" italics="true" pageId="3" pageNumber="458">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBAFFB7FDDBFBEEFCAFFBB8" bold="true" box="[564,815,1043,1065]" pageId="3" pageNumber="458">
<taxonomicNameLabel id="A23857F3FFBAFFB7FDDBFBEEFD26FBB9" box="[564,678,1043,1064]" pageId="3" pageNumber="458" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G1 
<emphasis id="B90BEA88FFBAFFB7FD92FBACFD3CFBF7" box="[637,700,1105,1126]" italics="true" pageId="3" pageNumber="458">in situ</emphasis>
(left G1 removed).
</paragraph>
</caption>
<subSubSection id="C3656511FFBAFFB7FF28FB70FE5FFB37" box="[199,479,1165,1190]" pageId="3" pageNumber="458" type="diagnosis">
<paragraph id="8BC0369AFFBAFFB7FF28FB70FE5FFB37" blockId="3.[151,1436,1165,1982]" box="[199,479,1165,1190]" pageId="3" pageNumber="458">
<emphasis id="B90BEA88FFBAFFB7FF28FB70FEBAFB37" bold="true" box="[199,314,1165,1190]" pageId="3" pageNumber="458">Diagnosis</emphasis>
. As for genus.
</paragraph>
</subSubSection>
<subSubSection id="C3656511FFBAFFB2FF28FB4CFF6BFE8C" lastPageId="6" lastPageNumber="461" pageId="3" pageNumber="458" type="description">
<paragraph id="8BC0369AFFBAFFB7FF28FB4CFA84F953" blockId="3.[151,1436,1165,1982]" pageId="3" pageNumber="458">
<emphasis id="B90BEA88FFBAFFB7FF28FB4CFED1FB5B" bold="true" box="[199,337,1201,1226]" pageId="3" pageNumber="458">Description</emphasis>
. Carapace subquadrate; dorsal surface slightly convex transversely, longitudinally; surface covered with fused rugae on anterolateral region (
<figureCitation id="13442A1FFFBAFFB7FD22FB28FC91FB7F" box="[717,785,1237,1262]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Front slightly deflexed, margin ridged on dorsal view (
<figureCitation id="13442A1FFFBAFFB7FF70FB04FF6AFA83" box="[159,234,1273,1298]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Epigastric cristae low, separated by narrow gap (
<figureCitation id="13442A1FFFBAFFB7FC83FB04FC36FA83" box="[876,950,1273,1298]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A, B). Postorbital cristae sharp, laterally expanded, not fused with epigastric cristae or reach the anterolateral margin (
<figureCitation id="13442A1FFFBAFFB7FBDDFAE0FBF9FAA7" box="[1074,1145,1309,1334]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A, B). Branchial regions relatively flat (
<figureCitation id="13442A1FFFBAFFB7FEACFABCFE0AFACB" box="[323,394,1345,1370]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Cervical groove shallow, inconspicuous (
<figureCitation id="13442A1FFFBAFFB7FC7CFABCFC5AFACB" box="[915,986,1345,1370]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Mesogastric region slightly convex (
<figureCitation id="13442A1FFFBAFFB7FF70FA98FF63FAEF" box="[159,227,1381,1406]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). External orbital angle bluntly triangular (
<figureCitation id="13442A1FFFBAFFB7FD0FFA98FCA5FAEF" box="[736,805,1381,1406]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Epibranchial tooth small, granular, but distinct (
<figureCitation id="13442A1FFFBAFFB7FA81FA98FF25FA33" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A, B). Anterolateral margin distinctly cristate, lined with approximately 22–25 granules; lateral part bent inwards (
<figureCitation id="13442A1FFFBAFFB7FF70FA50FF67FA57" box="[159,231,1453,1478]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Posterolateral margin comparatively smooth, lined with multiple oblique striae, converging towards posterior carapace margin (
<figureCitation id="13442A1FFFBAFFB7FE30FA2CFDAAFA7B" box="[479,554,1489,1514]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Orbits large; supraorbital and infraorbital margins cristate, lined with numerous inconspicuous granules (
<figureCitation id="13442A1FFFBAFFB7FDC4FA08FDF3F99F" box="[555,627,1525,1550]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
B). Sub-orbital, sub-hepatic and upper parts of pterygostomial regions covered with large rounded granules (
<figureCitation id="13442A1FFFBAFFB7FDA0F9E4FD17F9A3" box="[591,663,1561,1586]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
B). Third maxilliped with merus about 1.1 times as broad as long; ischium about 1.5 times as long as broad; merus trapezoidal, with median depression; ischium trapezoidal, with distinct median sulcus; exopod reaching to proximal third of merus, with short flagellum reaching proximal twofifths width of merus; upper-inner margin of ischium forming subauriculiform structure (
<figureCitation id="13442A1FFFBAFFB7FB7CF978FB59F90F" box="[1171,1241,1669,1694]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
B, 3D). Posterior margin of epistome narrow; median lobe broadly triangular, lateral margins almost straight (
<figureCitation id="13442A1FFFBAFFB7FB70F954FB63F953" box="[1183,1251,1705,1730]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
B).
</paragraph>
<paragraph id="8BC0369AFFBAFFB7FF28F930FB89F8C3" blockId="3.[151,1436,1165,1982]" pageId="3" pageNumber="458">
Chelipeds unequal (
<figureCitation id="13442A1FFFBAFFB7FE4AF930FE68F977" box="[421,488,1741,1766]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Merus cross-section trigonal; margins crenulated, dorsal-outer surface granulated (
<figureCitation id="13442A1FFFBAFFB7FF70F90CFF66F89B" box="[159,230,1777,1802]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
B). Carpus with sharp spine at inner-distal angle, spinule at base, inner-dorsal surface with curved striae (
<figureCitation id="13442A1FFFBAFFB7FF70F8E8FF65F8BF" box="[159,229,1813,1838]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Palm of larger chela about 1.3 times as long as high. Movable finger equal to fixed finger (
<figureCitation id="13442A1FFFBAFFB7FADDF8E8FAF8F8BF" box="[1330,1400,1813,1838]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Inner margin of fingers with rounded, blunt teeth; with small gap when closed.
</paragraph>
<paragraph id="8BC0369AFFBAFFB7FF28F8A0FEEBF82F" blockId="3.[151,1436,1165,1982]" pageId="3" pageNumber="458">
Ambulatory legs slender, with dense short setae on dactylus and propodus, relatively sparse short setae on carpus, merus (
<figureCitation id="13442A1FFFBAFFB7FEA7F87CFE0EF80B" box="[328,398,1921,1946]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A). Last leg with propodus about 2 times as long as board, approximately same length as dactylus (
<figureCitation id="13442A1FFFBAFFB7FEEBF858FEC7F82F" box="[260,327,1957,1982]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="3" pageNumber="458">Fig. 2</figureCitation>
A).
</paragraph>
<caption id="DF006612FFBDFFB0FF78F947FA87F97E" httpUri="https://zenodo.org/record/231171/files/figure.png" pageId="4" pageNumber="459" targetBox="[313,1274,179,1703]" targetPageId="4">
<paragraph id="8BC0369AFFBDFFB0FF78F947FA87F97E" blockId="4.[151,1435,1722,1775]" pageId="4" pageNumber="459">
<emphasis id="B90BEA88FFBDFFB0FF78F947FE92F95E" bold="true" box="[151,274,1722,1744]" pageId="4" pageNumber="459">FIGURE 3.</emphasis>
<taxonomicName id="4C7F4D19FFBDFFB0FEF7F946FDA4F941" box="[280,548,1722,1744]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="459" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBDFFB0FEF7F946FDA4F941" box="[280,548,1722,1744]" italics="true" pageId="4" pageNumber="459">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBDFFB0FDDFF946FCA8F941" bold="true" box="[560,808,1722,1744]" pageId="4" pageNumber="459">
<taxonomicNameLabel id="A23857F3FFBDFFB0FDDFF946FD21F941" box="[560,673,1723,1744]" pageId="4" pageNumber="459" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G2; B, left G1 (ventral view); C, G1 terminal segment (ventral view); D, left third maxilliped. (white bar = 1.0 mm).
</paragraph>
</caption>
<paragraph id="8BC0369AFFBDFFB0FF28F8E6FAFAF8ED" blockId="4.[151,1436,1819,2024]" pageId="4" pageNumber="459">
Thoracic sternum generally smooth, weakly pitted; sternites 1, 2 completely fused to form triangular structure; sternites 3, 4 fused with slightly sinuous median suture; male sterno-abdominal cavity reaching to imaginary line joining median part of coxae of cheliped; median longitudinal groove between sternites 7, 8 deep (
<figureCitation id="13442A1FFFBDFFB0FB09F89EFAA9F8ED" box="[1254,1321,1891,1916]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="4" pageNumber="459">Fig. 2</figureCitation>
C, 4C).
</paragraph>
<paragraph id="8BC0369AFFBDFFB0FF28F87AFF48F879" blockId="4.[151,1436,1819,2024]" pageId="4" pageNumber="459">
Male abdomen triangular; somites 3–6 progressively broader longitudinally; somite 6 about 1.8 times as board as long; telson about 1.1 times as board as long with a rounded tip, lateral margins of telson slightly concave (
<figureCitation id="13442A1FFFBDFFB0FA80F856FF26F879" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="4" pageNumber="459">Fig. 2</figureCitation>
C).
</paragraph>
<paragraph id="8BC0369AFFBCFFB1FF28FF65FC3DFEF5" blockId="5.[151,1436,151,357]" pageId="5" pageNumber="460">
G1 slender, inner margin of terminal segment notably arched, strongly concave; tip of terminal segment reaches beyond suture between sternites 5, 6, approaches but does not reach tubercle lock of abdominal locking structure in situ; distal part of subterminal segment relatively broader than terminal segment; subterminal segment about 2.2 times as long as terminal segment; terminal segment distinctly elongate, bifurcated at inner-distal part, outer-distal angle triangular, pointing inwards and upwards, respectively (
<figureCitation id="13442A1FFFBCFFB1FC3AFEDAFB99FED1" box="[981,1049,295,320]" captionStart="FIGURE 2" captionStartId="3.[151,250,1043,1065]" captionTargetBox="[153,1433,193,1021]" captionTargetId="figure@3.[153,1433,193,1021]" captionTargetPageId="3" captionText="FIGURE 2. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, dorsal overall view; B, frontal view of carapace; C, ventral view showing anterior thoracic sternum and abdomen; D, ventral view showing sterno-abdominal cavity with right G 1 in situ (left G 1 removed)." httpUri="https://zenodo.org/record/231170/files/figure.png" pageId="5" pageNumber="460">Fig. 2</figureCitation>
D, 3B, C, 4A, B, 5A–D). G2 basal segment about 2.2 times length of flagelliform distal segment (
<figureCitation id="13442A1FFFBCFFB1FCB9FEB1FC19FEF5" box="[854,921,332,357]" captionStart="FIGURE 3" captionStartId="4.[151,250,1722,1744]" captionTargetBox="[313,1274,179,1703]" captionTargetId="figure@4.[313,1274,179,1703]" captionTargetPageId="4" captionText="FIGURE 3. Yuexipotamon arcophallus, new genus, new species, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G 2; B, left G 1 (ventral view); C, G 1 terminal segment (ventral view); D, left third maxilliped. (white bar = 1.0 mm)." httpUri="https://zenodo.org/record/231171/files/figure.png" pageId="5" pageNumber="460">Fig. 3</figureCitation>
A).
</paragraph>
<caption id="DF006612FFBCFFB1FF78FB7DFC6AFB25" httpUri="https://zenodo.org/record/231172/files/figure.png" pageId="5" pageNumber="460" targetBox="[181,1404,413,1126]" targetPageId="5">
<paragraph id="8BC0369AFFBCFFB1FF78FB7DFC6AFB25" blockId="5.[151,1435,1152,1204]" pageId="5" pageNumber="460">
<emphasis id="B90BEA88FFBCFFB1FF78FB7DFE93FB04" bold="true" box="[151,275,1152,1174]" pageId="5" pageNumber="460">FIGURE 4.</emphasis>
<taxonomicName id="4C7F4D19FFBCFFB1FEF6FB7CFDA5FB07" box="[281,549,1152,1174]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="460" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBCFFB1FEF6FB7CFDA5FB07" box="[281,549,1152,1174]" italics="true" pageId="5" pageNumber="460">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBCFFB1FDDDFB7DFCAAFB07" bold="true" box="[562,810,1152,1174]" pageId="5" pageNumber="460">
<taxonomicNameLabel id="A23857F3FFBCFFB1FDDDFB7DFD23FB04" box="[562,675,1152,1173]" pageId="5" pageNumber="460" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, male holotype (21.7 × 18.1 mm) (SYSU 001005). A, left G1 (ventral view); B, G1 terminal segment (ventral view); C, anterior thoracic sternum.
</paragraph>
</caption>
<caption id="DF006612FFBCFFB1FF78F882FC15F842" httpUri="https://zenodo.org/record/231173/files/figure.png" pageId="5" pageNumber="460" targetBox="[153,1433,1254,1897]" targetPageId="5">
<paragraph id="8BC0369AFFBCFFB1FF78F882FC15F842" blockId="5.[151,1436,1919,2003]" pageId="5" pageNumber="460">
<emphasis id="B90BEA88FFBCFFB1FF78F882FE92F804" bold="true" box="[151,274,1919,1941]" pageId="5" pageNumber="460">FIGURE 5.</emphasis>
<taxonomicName id="4C7F4D19FFBCFFB1FEF7F87CFDA5F804" box="[280,549,1919,1942]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="460" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBCFFB1FEF7F87CFDA5F804" box="[280,549,1919,1942]" italics="true" pageId="5" pageNumber="460">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBCFFB1FDDEF87DFCA9F804" bold="true" box="[561,809,1919,1941]" pageId="5" pageNumber="460">
<taxonomicNameLabel id="A23857F3FFBCFFB1FDDEF87DFD23F804" box="[561,675,1920,1941]" pageId="5" pageNumber="460" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
. Intraspecific variation. Left G1s (ventral views). A, holotype male (21.7 × 18.1 mm) (SYSU 001005); B, paratype male (21.6 × 18.1 mm) (SYSU 001008); C, paratype male (18.6 × 15.1 mm) (SYSU 001009); D, paratype male (19.6 × 17.2 mm) (SYSU 001007).
</paragraph>
</caption>
<paragraph id="8BC0369AFFBFFFB2FF28FF6AFF6BFE8C" blockId="6.[151,1437,151,752]" pageId="6" pageNumber="461">
<emphasis id="B90BEA88FFBFFFB2FF28FF6AFEB7FF21" bold="true" box="[199,311,151,176]" pageId="6" pageNumber="461">Variation</emphasis>
. Overall, there is not much morphological variation in the carapace. The inner-distal angle of the G 
<date id="FFC1105AFFBFFFB2FA7DFF65FF47FF44" pageId="6" pageNumber="461">1 may</date>
vary in the direction it points and the outer-distal angle can vary in sharpness. However, the overall shape of the inner margin and the bifurcated structure of the distal region of the terminal segment are consistent features. (
<figureCitation id="13442A1FFFBFFFB2FF70FEF9FF62FE8C" box="[159,226,260,285]" captionStart="FIGURE 5" captionStartId="5.[151,250,1919,1941]" captionTargetBox="[153,1433,1254,1897]" captionTargetId="figure@5.[153,1433,1254,1898]" captionTargetPageId="5" captionText="FIGURE 5. Yuexipotamon arcophallus, new genus, new species. Intraspecific variation. Left G 1 s (ventral views). A, holotype male (21.7 × 18.1 mm) (SYSU 001005); B, paratype male (21.6 × 18.1 mm) (SYSU 001008); C, paratype male (18.6 × 15.1 mm) (SYSU 001009); D, paratype male (19.6 × 17.2 mm) (SYSU 001007)." httpUri="https://zenodo.org/record/231173/files/figure.png" pageId="6" pageNumber="461">Fig. 5</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3656511FFBFFFB2FF28FEDAFEDBFD7E" pageId="6" pageNumber="461" type="etymology">
<paragraph id="8BC0369AFFBFFFB2FF28FEDAFB47FED1" blockId="6.[151,1437,151,752]" box="[199,1223,295,320]" pageId="6" pageNumber="461">
<emphasis id="B90BEA88FFBFFFB2FF28FEDAFEC7FED1" bold="true" box="[199,327,295,320]" pageId="6" pageNumber="461">Etymology</emphasis>
. The name 
<taxonomicName id="4C7F4D19FFBFFFB2FE24FED5FDD0FED1" box="[459,592,296,320]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="arcophallus">
<emphasis id="B90BEA88FFBFFFB2FE24FED5FDD0FED1" box="[459,592,296,320]" italics="true" pageId="6" pageNumber="461">arcophallus</emphasis>
</taxonomicName>
is derived from the arc-like terminal segment of the G1.
</paragraph>
<paragraph id="8BC0369AFFBFFFB2FF28FEB1FC2AFEF5" blockId="6.[151,1437,151,752]" box="[199,938,332,357]" pageId="6" pageNumber="461">
<emphasis id="B90BEA88FFBFFFB2FF28FEB1FE9AFEF4" bold="true" box="[199,282,332,357]" pageId="6" pageNumber="461">Colour</emphasis>
. Generally dark brown to purplish brown in life. (
<figureCitation id="13442A1FFFBFFFB2FCA5FEB1FC09FEF5" box="[842,905,332,357]" captionStart="FIGURE 1" captionStartId="2.[151,250,1912,1934]" captionTargetBox="[153,1433,193,1889]" captionTargetId="figure@2.[153,1433,193,1891]" captionTargetPageId="2" captionText="FIGURE 1. Yuexipotamon arcophallus, new genus, new species, colour in life. A, male holotype (21.7 × 18.1 mm) (SYSU 001005); B, typical burrow, arrows point at the two entrances." httpUri="https://zenodo.org/record/231169/files/figure.png" pageId="6" pageNumber="461">Fig. 1</figureCitation>
A)
</paragraph>
<paragraph id="8BC0369AFFBFFFB2FF28FE92FEDBFD7E" blockId="6.[151,1437,151,752]" pageId="6" pageNumber="461">
<emphasis id="B90BEA88FFBFFFB2FF28FE92FEA4FE19" bold="true" box="[199,292,367,392]" pageId="6" pageNumber="461">Ecology</emphasis>
. The 
<typeStatus id="54C48838FFBFFFB2FE94FE8DFE2BFE19" box="[379,427,368,392]" pageId="6" pageNumber="461">type</typeStatus>
locality, Heishiding Nature Reserve, is located between 23°25'15” 
<emphasis id="B90BEA88FFBFFFB2FB17FE8DFA86FE16" bold="true" box="[1272,1286,368,391]" italics="true" pageId="6" pageNumber="461">–</emphasis>
<geoCoordinate id="EE4B505DFFBFFFB2FAE9FE8DFA17FE19" box="[1286,1431,368,392]" direction="north" orientation="latitude" pageId="6" pageNumber="461" precision="15" value="23.500555">23°30'02”N</geoCoordinate>
, 111°49'09” 
<emphasis id="B90BEA88FFBFFFB2FEF2FE69FEABFE3A" bold="true" box="[285,299,404,427]" italics="true" pageId="6" pageNumber="461">–</emphasis>
<geoCoordinate id="EE4B505DFFBFFFB2FEC4FE69FE46FE3C" box="[299,454,404,429]" direction="east" orientation="longitude" pageId="6" pageNumber="461" precision="15" value="111.91694">111°55'01”E</geoCoordinate>
, and covers an area of 4200 hectares. The locality consists of tropical/sub-tropical evergreen broad-leaved forest with many mountain streams. 
<taxonomicName id="4C7F4D19FFBFFFB2FCAAFE45FBF0FE41" box="[837,1136,440,464]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBFFFB2FCAAFE45FBF0FE41" box="[837,1136,440,464]" italics="true" pageId="6" pageNumber="461">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBFFFB2FB91FE4AFA15FE41" bold="true" box="[1150,1429,439,464]" pageId="6" pageNumber="461">
<taxonomicNameLabel id="A23857F3FFBFFFB2FB91FE4AFB7DFE41" box="[1150,1277,439,464]" pageId="6" pageNumber="461" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, lives in small hill streams or waterlogged forest floors. They are primarily aquatic and can be found residing under rocks or in burrows during the day. The burrows are usually “Y” shaped with two exits (
<figureCitation id="13442A1FFFBFFFB2FB6AFE02FB40FD89" box="[1157,1216,511,536]" captionStart="FIGURE 1" captionStartId="2.[151,250,1912,1934]" captionTargetBox="[153,1433,193,1889]" captionTargetId="figure@2.[153,1433,193,1891]" captionTargetPageId="2" captionText="FIGURE 1. Yuexipotamon arcophallus, new genus, new species, colour in life. A, male holotype (21.7 × 18.1 mm) (SYSU 001005); B, typical burrow, arrows point at the two entrances." httpUri="https://zenodo.org/record/231169/files/figure.png" pageId="6" pageNumber="461">Fig.1</figureCitation>
B). In their natural habitat, they occur sympatrically with the potamids 
<taxonomicName id="4C7F4D19FFBFFFB2FD06FDD9FBC3FDAC" authority="Dai" authorityName="Dai" box="[745,1091,548,573]" class="Malacostraca" family="Potamidae" genus="Chinapotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="depressum">
<emphasis id="B90BEA88FFBFFFB2FD06FDD9FB8FFDAD" box="[745,1039,548,572]" italics="true" pageId="6" pageNumber="461">Chinapotamon depressum</emphasis>
Dai
</taxonomicName>
, Song, Li &amp; Liang, 1980, and 
<taxonomicName id="4C7F4D19FFBFFFB2FF78FDB5FD26FDF1" authority="Dai, 1997" authorityName="Dai" authorityYear="1997" box="[151,678,583,608]" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="pingyuanense">
<emphasis id="B90BEA88FFBFFFB2FF78FDB5FECCFDF1" box="[151,332,584,608]" italics="true" pageId="6" pageNumber="461">Nanhaipotamon</emphasis>
cf. 
<emphasis id="B90BEA88FFBFFFB2FE6AFDB5FD9FFDCE" box="[389,543,584,607]" italics="true" pageId="6" pageNumber="461">pingyuanense</emphasis>
Dai, 1997
</taxonomicName>
. Being the smallest of the three species found in the reserve, 
<taxonomicName id="4C7F4D19FFBFFFB2FF78FD90FE42FD15" box="[151,450,620,644]" class="Malacostraca" family="Potamidae" genus="Yuexipotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="arcophallus" status="gen. nov.">
<emphasis id="B90BEA88FFBFFFB2FF78FD90FE42FD15" box="[151,450,620,644]" italics="true" pageId="6" pageNumber="461">Yuexipotamon arcophallus</emphasis>
</taxonomicName>
, 
<emphasis id="B90BEA88FFBFFFB2FE3BFD91FD70FD14" bold="true" box="[468,752,620,645]" pageId="6" pageNumber="461">
<taxonomicNameLabel id="A23857F3FFBFFFB2FE3BFD91FDD4FD14" box="[468,596,620,645]" pageId="6" pageNumber="461" rank="genus">new genus</taxonomicNameLabel>
, new species
</emphasis>
, is likely preyed upon by the other larger potamid species. This may be a reason to why they are most abundant in very shallow creeks and waterlogged forest floors where the water is not deep enough for the large 
<taxonomicName id="4C7F4D19FFBFFFB2FD87FD49FC0CFD5D" box="[616,908,692,716]" class="Malacostraca" family="Potamidae" genus="Chinapotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="depressum">
<emphasis id="B90BEA88FFBFFFB2FD87FD49FC0CFD5D" box="[616,908,692,716]" italics="true" pageId="6" pageNumber="461">Chinapotamon depressum</emphasis>
</taxonomicName>
and away from the burrows of 
<taxonomicName id="4C7F4D19FFBFFFB2FB08FD49FED5FD7E" class="Malacostraca" family="Potamidae" genus="Nanhaipotamon" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="461" phylum="Arthropoda" rank="species" species="pingyuanense">
<emphasis id="B90BEA88FFBFFFB2FB08FD49FA1CFD5D" box="[1255,1436,692,716]" italics="true" pageId="6" pageNumber="461">Nanhaipotamon</emphasis>
cf. 
<emphasis id="B90BEA88FFBFFFB2FF54FD25FED5FD7E" box="[187,341,728,751]" italics="true" pageId="6" pageNumber="461">pingyuanense</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>