treatments-xml/data/CE/0E/4F/CE0E4F1AFFD849066BF5859379D1FA5F.xml

<document id="60F6EC967DB5131C436817AC66AD8DEB" ID-CLB-Dataset="299804" ID-DOI="10.11646/zootaxa.5476.1.8" ID-GBIF-Dataset="d3d554e6-e821-4e33-b461-b69a80c70779" ID-ISSN="1175-5326" ID-Zenodo-Dep="12682014" ID-ZooBank="E32A2F95-E4E8-4F3C-BDBF-831E9F8C98BE" IM.bibliography_approvedBy="karina" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="karina" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="karina" checkinTime="1720376309429" checkinUser="plazi" docAuthor="Cumberlidge, Neil &amp; Jonas, Gabrielle I." docDate="2024" docId="CE0E4F1AFFD849066BF5859379D1FA5F" docLanguage="en" docName="zootaxa.5476.1.8.pdf" docOrigin="Zootaxa 5476 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5476.1.8" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Arcopotamonautes ngae Cumberlidge &amp; Jonas, 2024, n. sp." docType="treatment" docVersion="5" lastPageNumber="64" masterDocId="32373762FFDE490B6B6283787B6CFFBA" masterDocTitle="Two new freshwater crab species from the Eastern Arc Mountains, Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae)" masterLastPageNumber="65" masterPageNumber="51" pageNumber="57" updateTime="1720815898604" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="88A3694BCB241971509D7596A62A1127">Two new freshwater crab species from the Eastern Arc Mountains, Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae)</mods:title>
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<mods:namePart id="9EE5CBB77AA6F2BF8950A5294C546A7C">Cumberlidge, Neil</mods:namePart>
<mods:affiliation id="4C20DBBCD19B6E41C8F2DB42A927D4E0">Department of Biology, Northern Michigan University, Marquette, MI 49855 - 5376, USA.</mods:affiliation>
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<mods:namePart id="2FF443898FDC08C65477D4A50E6762B1">Jonas, Gabrielle I.</mods:namePart>
<mods:nameIdentifier id="3989759649860412E8FBEE69D146D71E" type="ORCID">0000-0001-9291-6312</mods:nameIdentifier>
<mods:affiliation id="4B7F6260D944E6DEF349B36631A8720A">Department of Biology, Northern Michigan University, Marquette, MI 49855 - 5376, USA.</mods:affiliation>
<mods:nameIdentifier id="992DAC53ED21015EBDDCA350C1DD17E4" type="email">gjonas@nmu.edu</mods:nameIdentifier>
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<heading id="1D504960FFD8490D6BF58593796BF8BF" bold="true" box="[151,519,1771,1797]" fontSize="11" level="1" pageId="6" pageNumber="57" reason="1">
<emphasis id="74D3221EFFD8490D6BF58593796BF8BF" bold="true" box="[151,519,1771,1797]" pageId="6" pageNumber="57">
<taxonomicName id="81A7858FFFD8490D6BF585937AD2F8BF" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[151,446,1771,1797]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="57" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD8490D6BF585937AD2F8BF" bold="true" box="[151,446,1771,1797]" italics="true" pageId="6" pageNumber="57">Arcopotamonautes ngae</emphasis>
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<taxonomicNameLabel id="6FE09F65FFD8490D6AA78593796BF8BF" box="[453,519,1771,1797]" pageId="6" pageNumber="57" rank="species">n. sp.</taxonomicNameLabel>
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<subSubSection id="0EBDAD87FFD8490D6BF584777A73F893" box="[151,287,1807,1833]" pageId="6" pageNumber="57" type="description">
<paragraph id="4618FE0CFFD8490D6BF584777A73F893" blockId="6.[151,519,1771,1833]" box="[151,287,1807,1833]" pageId="6" pageNumber="57">
(
<figureCitation id="DE9CE289FFD8490D6BFD84777A7BF893" box="[159,279,1807,1833]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStart-2="FIGURE 8" captionStart-3="FIGURE 9" captionStart-4="FIGURE 10" captionStart-5="FIGURE 11" captionStartId-0="7.[151,250,1775,1799]" captionStartId-1="8.[151,250,1750,1774]" captionStartId-2="9.[151,250,1450,1474]" captionStartId-3="10.[151,250,1514,1538]" captionStartId-4="11.[151,250,1787,1811]" captionStartId-5="12.[151,250,1284,1308]" captionTargetBox-0="[221,1366,181,1752]" captionTargetBox-1="[218,1370,181,1725]" captionTargetBox-2="[218,1370,181,1425]" captionTargetBox-3="[242,1346,489,1491]" captionTargetBox-4="[229,1358,633,1763]" captionTargetBox-5="[164,1423,319,1250]" captionTargetId-0="figure-17@7.[221,1366,181,1752]" captionTargetId-1="figure-23@8.[218,1370,181,1725]" captionTargetId-2="figure-17@9.[218,1370,181,1425]" captionTargetId-3="figure-145@10.[242,1346,489,1491]" captionTargetId-4="figure-217@11.[229,1358,633,1763]" captionTargetId-5="figure-89@12.[164,1423,309,1260]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionTargetPageId-2="9" captionTargetPageId-3="10" captionTargetPageId-4="11" captionTargetPageId-5="12" captionText-0="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." captionText-1="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." captionText-2="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." captionText-3="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." captionText-4="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." captionText-5="FIGURE 11. Map showing the geographic distribution of Arcopotamonautes parekeeae n. sp. (black circles) and A. ngae n. sp. (black triangle). Scale bar = 100 km. See text for exact localities." figureDoi-0="http://doi.org/10.5281/zenodo.12682028" figureDoi-1="http://doi.org/10.5281/zenodo.12682030" figureDoi-2="http://doi.org/10.5281/zenodo.12682032" figureDoi-3="http://doi.org/10.5281/zenodo.12682034" figureDoi-4="http://doi.org/10.5281/zenodo.12682036" figureDoi-5="http://doi.org/10.5281/zenodo.12682038" httpUri-0="https://zenodo.org/record/12682028/files/figure.png" httpUri-1="https://zenodo.org/record/12682030/files/figure.png" httpUri-2="https://zenodo.org/record/12682032/files/figure.png" httpUri-3="https://zenodo.org/record/12682034/files/figure.png" httpUri-4="https://zenodo.org/record/12682036/files/figure.png" httpUri-5="https://zenodo.org/record/12682038/files/figure.png" pageId="6" pageNumber="57">Figs. 6–11</figureCitation>
)
</paragraph>
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<paragraph id="4618FE0CFFD8490D6BF5842F7E72F867" blockId="6.[151,1436,1878,2013]" pageId="6" pageNumber="57">
<emphasis id="74D3221EFFD8490D6BF5842F7A28F8CA" bold="true" box="[151,324,1878,1905]" pageId="6" pageNumber="57">Type material.</emphasis>
<materialsCitation id="F6CFF451FFD8490D6A2B842F79A7F803" ID-GBIF-Occurrence="4905323306" collectionCode="NMU" collectorName="J. N. Raybould." country="Tanzania" county="Eastern Arc Mountains" elevation="863" latitude="-5.583224" location="Nguu Mountains" longLatPrecision="1" longitude="37.507317" municipality="Kwebuyu River" pageId="6" pageNumber="57" specimenCode="NMU 1966.08a" specimenCount="1" stateProvince="Tanga Region" typeStatus="holotype">
<emphasis id="74D3221EFFD8490D6A2B842F7ADCF8CB" box="[329,432,1879,1905]" italics="true" pageId="6" pageNumber="57">
<typeStatus id="991C40AEFFD8490D6A2B842F7ADCF8CB" box="[329,432,1879,1905]" pageId="6" pageNumber="57" type="holotype">Holotype</typeStatus>
</emphasis>
: 
<specimenCode id="16015677FFD8490D6ADC842F7903F8CB" box="[446,623,1879,1905]" pageId="6" pageNumber="57">NMU 1966.08a</specimenCode>
, adult 
<specimenCount id="50A13585FFD8490D69D5842F7981F8CB" box="[695,749,1879,1905]" pageId="6" pageNumber="57" type="male">male</specimenCount>
(CW 27.5, CL 18.7, CH 10.7, FW 
<quantity id="815F53E9FFD8490D6F0F842E7FAAF8CB" box="[1133,1222,1878,1905]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="6" pageNumber="57" unit="mm" value="8.5">8.5 mm</quantity>
), 
<collectingCountry id="3EB0BE9CFFD8490D6FB5842F7E53F8CB" box="[1239,1343,1879,1905]" name="Tanzania" pageId="6" pageNumber="57">Tanzania</collectingCountry>
, 
<collectingCounty id="AF798680FFD8490D6E2A842F7A29F82F" pageId="6" pageNumber="57">Eastern Arc Mountains</collectingCounty>
, 
<collectingMunicipality id="A67C6476FFD8490D6A338403796AF82F" box="[337,518,1915,1941]" pageId="6" pageNumber="57">Kwebuyu River</collectingMunicipality>
, 
<location id="4378A8D7FFD8490D6970840379BDF82F" LSID="urn:lsid:plazi:treatment:CE0E4F1AFFD849066BF5859379D1FA5F:4378A8D7FFD8490D6970840379BDF82F" box="[530,721,1915,1941]" country="Tanzania" county="Eastern Arc Mountains" latitude="-5.583224" longLatPrecision="1" longitude="37.507317" municipality="Kwebuyu River" name="Nguu Mountains" pageId="6" pageNumber="57" stateProvince="Tanga Region">Nguu Mountains</location>
(
<quantity id="815F53E9FFD8490D698384037847F82F" box="[737,811,1915,1941]" metricMagnitude="2" metricUnit="m" metricValue="8.629999999999999" pageId="6" pageNumber="57" unit="m" value="863.0">
<elevation id="CD8A193FFFD8490D698384037847F82F" box="[737,811,1915,1941]" metricMagnitude="2" metricUnit="m" metricValue="8.629999999999999" pageId="6" pageNumber="57" unit="m" value="863.0">863 m</elevation>
</quantity>
ASL), near 
<location id="4378A8D7FFD8490D68D584037F62F82F" LSID="urn:lsid:plazi:treatment:CE0E4F1AFFD849066BF5859379D1FA5F:4378A8D7FFD8490D68D584037F62F82F" box="[951,1038,1915,1941]" country="Tanzania" county="Eastern Arc Mountains" latitude="-5.583224" longLatPrecision="1" longitude="37.507317" municipality="Kwebuyu River" name="Tamota" pageId="6" pageNumber="57" stateProvince="Tanga Region">Tamota</location>
, 
<location id="4378A8D7FFD8490D6F7884037FB4F82F" LSID="urn:lsid:plazi:treatment:CE0E4F1AFFD849066BF5859379D1FA5F:4378A8D7FFD8490D6F7884037FB4F82F" box="[1050,1240,1915,1941]" country="Tanzania" county="Eastern Arc Mountains" latitude="-5.583224" longLatPrecision="1" longitude="37.507317" municipality="Kwebuyu River" name="Handeni District" pageId="6" pageNumber="57" stateProvince="Tanga Region">Handeni District</location>
, 
<collectingRegion id="846330EEFFD8490D6F8684037EEDF82F" box="[1252,1409,1915,1941]" country="Tanzania" name="Tanga" pageId="6" pageNumber="57">Tanga Region</collectingRegion>
(
<geoCoordinate id="239398CBFFD8490D6EF184037A6FF803" degrees="5.583224" direction="south" orientation="latitude" pageId="6" pageNumber="57" precision="1" value="-5.583224">5.583224</geoCoordinate>
, 
<geoCoordinate id="239398CBFFD8490D6A6C84E67AE6F803" box="[270,394,1950,1977]" degrees="37.507317" direction="east" orientation="longitude" pageId="6" pageNumber="57" precision="1" value="37.507317">37.507317</geoCoordinate>
), 1965, coll. 
<collectorName id="EB529BDAFFD8490D697E84E779A7F803" box="[540,715,1951,1977]" pageId="6" pageNumber="57">J. N. Raybould.</collectorName>
</materialsCitation>
<materialsCitation id="F6CFF451FFD8490D69B084E77E72F867" ID-GBIF-Occurrence="4905323305" collectionCode="NMU" collectorName="J. N. Raybould." country="Switzerland" county="Eastern Arc Mountains" elevation="863" latitude="-5.583224" location="CH" longLatPrecision="1" longitude="37.507317" municipality="Kwebuyu River" pageId="6" pageNumber="57" specimenCode="NMU 1966.08b" specimenCount="2" stateProvince="Tanga Region" typeStatus="paratype">
<emphasis id="74D3221EFFD8490D69B084E77828F802" box="[722,836,1951,1976]" italics="true" pageId="6" pageNumber="57">
<typeStatus id="991C40AEFFD8490D69B084E77828F802" box="[722,836,1951,1976]" pageId="6" pageNumber="57" type="paratype">Paratypes</typeStatus>
</emphasis>
: 
<specimenCode id="16015677FFD8490D683184E77F6BF803" box="[851,1031,1951,1977]" pageId="6" pageNumber="57">NMU 1966.08b</specimenCode>
, adult 
<specimenCount id="50A13585FFD8490D6F3084E77FE4F803" box="[1106,1160,1951,1977]" pageId="6" pageNumber="57" type="male">male</specimenCount>
(CW 26.6, CL 19.5, CH 10.1, FW 
<quantity id="815F53E9FFD8490D6A6584BA7A03F867" box="[263,367,1986,2013]" metricMagnitude="-3" metricUnit="m" metricValue="8.45" pageId="6" pageNumber="57" unit="mm" value="8.45">8.45 mm</quantity>
), subadult 
<specimenCount id="50A13585FFD8490D6A8584BB7971F867" box="[487,541,1987,2013]" pageId="6" pageNumber="57" type="male">male</specimenCount>
(CW 16.2, CL 12.6, CH 7.4, FW 6.0 mm), same details as holotype.
</materialsCitation>
</paragraph>
</subSubSection>
<caption id="12D8AE84FFD9490C6BF585977FB0F891" ID-DOI="http://doi.org/10.5281/zenodo.12682028" ID-Zenodo-Dep="12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="7" pageNumber="58" startId="7.[151,250,1775,1799]" targetBox="[221,1366,181,1752]" targetPageId="7" targetType="figure">
<paragraph id="4618FE0CFFD9490C6BF585977FB0F891" blockId="7.[151,1437,1775,1836]" pageId="7" pageNumber="58">
<emphasis id="74D3221EFFD9490C6BF585977A79F8BD" bold="true" box="[151,277,1775,1799]" pageId="7" pageNumber="58">FIGURE 6.</emphasis>
<taxonomicName id="81A7858FFFD9490C6A7F85887979F8BD" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[285,533,1776,1799]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="58" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD9490C6A7F85887979F8BD" box="[285,533,1776,1799]" italics="true" pageId="7" pageNumber="58">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD9490C697F85887934F8B2" bold="true" box="[541,600,1776,1800]" pageId="7" pageNumber="58">
<taxonomicNameLabel id="6FE09F65FFD9490C697F85887934F8B2" box="[541,600,1776,1800]" pageId="7" pageNumber="58" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm.
</paragraph>
</caption>
<caption id="12D8AE84FFD649036BF585AE7E19F8C7" ID-DOI="http://doi.org/10.5281/zenodo.12682030" ID-Zenodo-Dep="12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="8" pageNumber="59" startId="8.[151,250,1750,1774]" targetBox="[218,1370,181,1725]" targetPageId="8" targetType="figure">
<paragraph id="4618FE0CFFD649036BF585AE7E19F8C7" blockId="8.[151,1437,1750,1918]" pageId="8" pageNumber="59">
<emphasis id="74D3221EFFD649036BF585AE7A79F954" bold="true" box="[151,277,1750,1774]" pageId="8" pageNumber="59">FIGURE 7.</emphasis>
<taxonomicName id="81A7858FFFD649036A7F85AE7979F954" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[285,533,1750,1774]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="59" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD649036A7F85AE7979F954" box="[285,533,1750,1774]" italics="true" pageId="8" pageNumber="59">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD64903697F85AE7934F954" bold="true" box="[541,600,1750,1774]" pageId="8" pageNumber="59">
<taxonomicNameLabel id="6FE09F65FFD64903697F85AE7934F954" box="[541,600,1750,1774]" pageId="8" pageNumber="59" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm.
</paragraph>
</caption>
<caption id="12D8AE84FFD749026BF586D27E60F9B3" ID-DOI="http://doi.org/10.5281/zenodo.12682032" ID-Zenodo-Dep="12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="9" pageNumber="60" startId="9.[151,250,1450,1474]" targetBox="[218,1370,181,1425]" targetPageId="9" targetType="figure">
<paragraph id="4618FE0CFFD749026BF586D27E60F9B3" blockId="9.[151,1437,1450,1546]" pageId="9" pageNumber="60">
<emphasis id="74D3221EFFD749026BF586D27A7DFA78" bold="true" box="[151,273,1450,1474]" pageId="9" pageNumber="60">FIGURE 8.</emphasis>
<taxonomicName id="81A7858FFFD749026A7486D27967FA78" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[278,523,1450,1474]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="60" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD749026A7486D27967FA78" box="[278,523,1450,1474]" italics="true" pageId="9" pageNumber="60">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD74902697286D27924FA78" bold="true" box="[528,584,1450,1474]" pageId="9" pageNumber="60">
<taxonomicNameLabel id="6FE09F65FFD74902697286D27924FA78" box="[528,584,1450,1474]" pageId="9" pageNumber="60" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm.
</paragraph>
</caption>
<subSubSection id="0EBDAD87FFD749026BA58540788DF890" pageId="9" pageNumber="60" type="diagnosis">
<paragraph id="4618FE0CFFD749026BA58540788DF890" blockId="9.[151,1437,1592,2015]" pageId="9" pageNumber="60">
<emphasis id="74D3221EFFD749026BA585407A2EF9E8" bold="true" box="[199,322,1592,1618]" pageId="9" pageNumber="60">Diagnosis.</emphasis>
Exorbital tooth small, pointed (
<figureCitation id="DE9CE289FFD7490269A08540782AF9E8" box="[706,838,1592,1618]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="9" pageNumber="60">Fig. 6A, B</figureCitation>
); anterior, posterior male thoracic sternum surface roughened by small raised granules (
<figureCitation id="DE9CE289FFD749026958852479FFF9CC" box="[570,659,1628,1654]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="9" pageNumber="60">Fig. 7B</figureCitation>
); cheliped merus medial inferior margin lined by small teeth, lateral inferior margin lined by granules; distal meral tooth small (
<figureCitation id="DE9CE289FFD74902682285F878D2F920" box="[832,958,1664,1690]" captionStart="FIGURE 3" captionStartId="4.[151,250,1851,1875]" captionTargetBox="[218,1370,181,1827]" captionTargetId="figure-23@4.[218,1370,181,1827]" captionTargetPageId="4" captionText="FIGURE 3. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, right chela, external view; B, left chela, external view; C, left cheliped merus, dorsal view; D, left cheliped merus, basis-ischium, ventral view; E, left cheliped carpus, dorsal view. Scale bar: A, B = 8.0 mm; C = 4.0 mm; D, E = 3.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682022" httpUri="https://zenodo.org/record/12682022/files/figure.png" pageId="9" pageNumber="60">Fig. 3C, D</figureCitation>
); cheliped carpus inner margin with large pointed distal tooth, extremely small pointed proximal tooth, otherwise smooth (
<figureCitation id="DE9CE289FFD749026F5285DC7FE7F904" box="[1072,1163,1700,1726]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="9" pageNumber="60">Fig. 8C</figureCitation>
); dactylus of male right (major) chela short, robust, straight, not curved, with three large teeth proximally (
<figureCitation id="DE9CE289FFD749026F5285B07FE5F958" box="[1072,1161,1736,1762]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="9" pageNumber="60">Fig. 8A</figureCitation>
), G1TA widened basally in three parts, ventral lobe low, dorsal lobe with two parts, thin crest medially, low lobe laterally, with wide gutter in between ventral, dorsal lobes running almost to tip (
<figureCitation id="DE9CE289FFD74902699984687819F890" box="[763,885,1808,1834]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="9" pageNumber="60">Fig. 9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD7490268E2846878B8F890" box="[896,980,1808,1834]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="9" pageNumber="60">10A, C</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="0EBDAD87FFD749006BA5844C7E31F824" lastPageId="11" lastPageNumber="62" pageId="9" pageNumber="60" type="description">
<paragraph id="4618FE0CFFD749016BA5844C7F95FF6F" blockId="9.[151,1437,1592,2015]" lastBlockId="10.[151,1437,151,465]" lastPageId="10" lastPageNumber="61" pageId="9" pageNumber="60">
<emphasis id="74D3221EFFD749026BA5844C7A3DF8F4" bold="true" box="[199,337,1844,1870]" pageId="9" pageNumber="60">Description</emphasis>
. Carapace surface smooth, widest in anterior third (CW/FW = 3.2), medium height (CH/FW = 1.3) (
<figureCitation id="DE9CE289FFD749026BB484207A0DF8C9" box="[214,353,1880,1907]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="9" pageNumber="60">Figs. 6A, B</figureCitation>
, 
<figureCitation id="DE9CE289FFD749026A1284207AF9F8C8" box="[368,405,1880,1906]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="9" pageNumber="60">7A</figureCitation>
), semi-circular, urogastric grooves deep; cardiac region weakly marked, cervical grooves short, faint, transverse branchial grooves faint (
<figureCitation id="DE9CE289FFD7490269C784047872F82C" box="[677,798,1916,1942]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="9" pageNumber="60">Fig. 6A, B</figureCitation>
). Front about 1/3 carapace width (FW/CW = 0.3); frontal margin straight (
<figureCitation id="DE9CE289FFD749026A3284D87AA5F800" box="[336,457,1952,1978]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="9" pageNumber="60">Fig. 6A, B</figureCitation>
); exorbital tooth small, pointed; epibranchial tooth reduced to granule; postfrontal crest sharply defined, complete, crossing entire carapace; lateral margin posterior to epibranchial tooth smooth (
<figureCitation id="DE9CE289FFD749016E0D84BC7BB2FF0B" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" lastPageId="10" lastPageNumber="61" pageId="9" pageNumber="60">Fig. 6A, B</figureCitation>
). Branchiostegite with two granulated sutures, one longitudinal (epimeral), one vertical, dividing carapace sidewall into suborbital, subhepatic, pterygostomial regions, each with granulated surface (
<figureCitation id="DE9CE289FFD449016FF083C37F80FF6F" box="[1170,1260,187,213]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="10" pageNumber="61">Fig. 7A</figureCitation>
).
</paragraph>
<paragraph id="4618FE0CFFD449016BA583A77BD6FE6B" blockId="10.[151,1437,151,465]" pageId="10" pageNumber="61">
Third maxillipeds filling entire oral field, except for transversely oval efferent respiratory openings at superior lateral corners; long flagellum on exopod of third maxilliped; ischium of third maxilliped with deep vertical sulcus (
<figureCitation id="DE9CE289FFD449016BFD825F7B98FEFB" box="[159,244,295,321]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="10" pageNumber="61">Fig. 7F</figureCitation>
). Mandibular palp consisting of basis and two articles; terminal article undivided, with short hardened ridge along superior margin originating at article junction (
<figureCitation id="DE9CE289FFD44901698882337808FEDF" box="[746,868,331,357]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="10" pageNumber="61">Fig. 7D, E</figureCitation>
). Anterior, posterior male thoracic sternum surface roughened with small raised granules; sternal sulci S1/2, S2/3 completely traversing sternum; S3/4 deep, U-shaped, completely traversing sternum; thoracic episternal sulci S4/E4 distinct, S5/E5, S6/E6, S7/E7 all obscure (
<figureCitation id="DE9CE289FFD449016E5D82EB7BC1FE6B" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="10" pageNumber="61">Fig. 7B, C</figureCitation>
).
</paragraph>
<caption id="12D8AE84FFD449016BF5869279EFF9F0" ID-DOI="http://doi.org/10.5281/zenodo.12682034" ID-Zenodo-Dep="12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="10" pageNumber="61" startId="10.[151,250,1514,1538]" targetBox="[242,1346,489,1491]" targetPageId="10" targetType="figure">
<paragraph id="4618FE0CFFD449016BF5869279EFF9F0" blockId="10.[151,1437,1514,1611]" pageId="10" pageNumber="61">
<emphasis id="74D3221EFFD449016BF586927A79F9B9" bold="true" box="[151,277,1514,1539]" pageId="10" pageNumber="61">FIGURE 9.</emphasis>
<taxonomicName id="81A7858FFFD449016A7F86937979F9B8" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[285,533,1515,1538]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="61" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD449016A7F86937979F9B8" box="[285,533,1515,1538]" italics="true" pageId="10" pageNumber="61">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD44901697F86937934F9B9" bold="true" box="[541,600,1515,1539]" pageId="10" pageNumber="61">
<taxonomicNameLabel id="6FE09F65FFD44901697F86937934F9B9" box="[541,600,1515,1539]" pageId="10" pageNumber="61" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm.
</paragraph>
</caption>
<paragraph id="4618FE0CFFD449006BA585017BD6FEFB" blockId="10.[151,1437,1657,2044]" lastBlockId="11.[151,1437,150,609]" lastPageId="11" lastPageNumber="62" pageId="10" pageNumber="61">
Chelipeds unequal. Dactylus of male right (major) chela short, robust, straight, not curved, with three well-spaced medium teeth interspersed by small teeth; immovable finger (propodus pollex) broad, cutting edge with four medium teeth proximally, several small teeth distally; both fingers touching at tips, enclosing long slim interspace when closed; major chela propodus palm enlarged, swollen, lower margin of propodus convex (
<figureCitation id="DE9CE289FFD449016FA8859D7E48F945" box="[1226,1316,1765,1791]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="10" pageNumber="61">Fig. 8A</figureCitation>
). Dactylus of male left (minor) chela long, slim, gently curved, lined by small teeth; immovable finger (propodus pollex) slim, slender, with four medium teeth proximately, rest lined by small teeth; both fingers enclosing long slim interspace when closed; minor chela propodus palm slim, not enlarged, 0.6 × propodus height of major chela; propodus elongated (as long as propodus of major chela), lower margin slightly concave (
<figureCitation id="DE9CE289FFD449016F53840D7FE7F835" box="[1073,1163,1909,1935]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="10" pageNumber="61">Fig. 8B</figureCitation>
). Cheliped merus stout, distinctly shorter than CW; medial inferior margin lined by small teeth, lateral inferior margin lined by granules; distal meral tooth small (
<figureCitation id="DE9CE289FFD449016ACC84C57945F86D" box="[430,553,1981,2007]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="10" pageNumber="61">Fig. 8C, D</figureCitation>
); cheliped carpus inner margin with large pointed distal tooth, extremely small pointed proximal tooth, otherwise smooth (
<figureCitation id="DE9CE289FFD4490169ED84997987F841" box="[655,747,2017,2043]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="10" pageNumber="61">Fig. 8C</figureCitation>
); ambulatory legs P2–5 distal limb articles (merus, carpus, propodus, dactylus) stout, not elongated; dactyli of P2–5 tapering to point, each bearing 4 rows of downward-pointing sharp bristles (
<figureCitation id="DE9CE289FFD549006AC383C37A90FF6F" box="[417,508,187,213]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="11" pageNumber="62">Fig. 6A</figureCitation>
). Male pleon, telson together forming slim triangle, pleon edges slightly indented; telson triangular, apex rounded, base broadest, sides outwardly sloping; pleomeres PL1–6 rectangular, wider than long, PL 6 longest, more than 1/2 as long as wide; remaining pleomeres short, less than 1/3 as long as wide (
<figureCitation id="DE9CE289FFD549006E23827B7BC1FEFB" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="11" pageNumber="62">Fig. 7B, C</figureCitation>
).
</paragraph>
<paragraph id="4618FE0CFFD549006BA582337A83FDDB" blockId="11.[151,1437,150,609]" pageId="11" pageNumber="62">
G1TA about 1/3 G1SA length (G1TA/G1SA = 0.3), angled outward at 45° to longitudinal axis of G1SA; G1TA slim, smooth, lacking setae, tapering to pointed upcurved tip; G1TA widened basally in three parts, ventral lobe low, dorsal lobe with two parts, thin crest medially, low lobe laterally, with wide gutter in between ventral, dorsal lobes running almost to tip (
<figureCitation id="DE9CE289FFD549006AB582CF793EFE6B" box="[471,594,439,465]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="11" pageNumber="62">Fig. 9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD54900693C82CF79DFFE6B" box="[606,691,439,465]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="11" pageNumber="62">10A, C</figureCitation>
). G1SA widest at base, narrowest at TA-SA junction; basal G1SA mesial margin lined by long setae; G1SA lateral margin smooth (
<figureCitation id="DE9CE289FFD54900680B82A3788EFE4F" box="[873,994,475,501]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="11" pageNumber="62">Fig. 9A, B</figureCitation>
). G2SA (
<figureCitation id="DE9CE289FFD549006F2B82A37FC1FE4F" box="[1097,1197,475,501]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="11" pageNumber="62">Fig. 10B</figureCitation>
) long, slim, subequal to G1SA; G2SA widest at base, tapering sharply inward about one-third along length, last two-thirds forming long, thin, tapering, upright process supporting long flagellum-like G2TA (G2TA/G2SA = 0.62) (
<figureCitation id="DE9CE289FFD549006FBD815B7E2AFD87" box="[1247,1350,547,573]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="11" pageNumber="62">Fig. 10B</figureCitation>
). Small species, adult at CW 26.0 mm.
</paragraph>
<caption id="12D8AE84FFD549006BF585837F6AF8E1" ID-DOI="http://doi.org/10.5281/zenodo.12682036" ID-Zenodo-Dep="12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="11" pageNumber="62" startId="11.[151,250,1787,1811]" targetBox="[229,1358,633,1763]" targetPageId="11" targetType="figure">
<paragraph id="4618FE0CFFD549006BF585837F6AF8E1" blockId="11.[151,1436,1787,1883]" pageId="11" pageNumber="62">
<emphasis id="74D3221EFFD549006BF585837A4DF8A9" bold="true" box="[151,289,1787,1811]" pageId="11" pageNumber="62">FIGURE 10.</emphasis>
<taxonomicName id="81A7858FFFD549006A4A85847973F8A9" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[296,543,1788,1811]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="62" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD549006A4A85847973F8A9" box="[296,543,1788,1811]" italics="true" pageId="11" pageNumber="62">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD5490069458583790DF8A9" bold="true" box="[551,609,1787,1811]" pageId="11" pageNumber="62">
<taxonomicNameLabel id="6FE09F65FFD5490069458583790DF8A9" box="[551,609,1787,1811]" pageId="11" pageNumber="62" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm.
</paragraph>
</caption>
<paragraph id="4618FE0CFFD549006BA584FC7E31F824" blockId="11.[151,1436,1924,2022]" box="[199,1373,1924,1951]" pageId="11" pageNumber="62">
<emphasis id="74D3221EFFD549006BA584FC7A4CF824" bold="true" box="[199,288,1924,1950]" pageId="11" pageNumber="62">Colour.</emphasis>
The colour of living specimens is unknown, but specimens preserved in ethanol are light brown.
</paragraph>
</subSubSection>
<subSubSection id="0EBDAD87FFD549006BA584D07B93F85C" pageId="11" pageNumber="62" type="materials_examined">
<paragraph id="4618FE0CFFD549006BA584D07B93F85C" blockId="11.[151,1436,1924,2022]" pageId="11" pageNumber="62">
<emphasis id="74D3221EFFD549006BA584D07A0BF878" bold="true" box="[199,359,1960,1986]" pageId="11" pageNumber="62">Type locality.</emphasis>
<collectingCountry id="3EB0BE9CFFD549006A0D84D07ABBF878" box="[367,471,1960,1986]" name="Tanzania" pageId="11" pageNumber="62">Tanzania</collectingCountry>
, 
<collectingCounty id="AF798680FFD549006A8184D079F4F878" box="[483,664,1960,1986]" pageId="11" pageNumber="62">Kwebuyu River</collectingCounty>
, 
<collectingMunicipality id="A67C6476FFD5490069C684D17997F879" box="[676,763,1961,1987]" pageId="11" pageNumber="62">Tamota</collectingMunicipality>
, 
<location id="4378A8D7FFD54900686584D178A5F878" LSID="urn:lsid:plazi:treatment:CE0E4F1AFFD849066BF5859379D1FA5F:4378A8D7FFD54900686584D178A5F878" box="[775,969,1960,1987]" country="Tanzania" county="Kwebuyu River" municipality="Tamota" name="Nguu Mountains" pageId="11" pageNumber="62" stateProvince="Tanga">Nguu Mountains</location>
, 
<collectingRegion id="846330EEFFD5490068B784D17F1EF878" box="[981,1138,1960,1987]" country="Tanzania" name="Tanga" pageId="11" pageNumber="62">Tanga Region</collectingRegion>
(-5.583224°, 37.507317°) (
<figureCitation id="DE9CE289FFD549006BFD84B47B9DF85C" box="[159,241,1996,2022]" captionStart="FIGURE 11" captionStartId="12.[151,250,1284,1308]" captionTargetBox="[164,1423,319,1250]" captionTargetId="figure-89@12.[164,1423,309,1260]" captionTargetPageId="12" captionText="FIGURE 11. Map showing the geographic distribution of Arcopotamonautes parekeeae n. sp. (black circles) and A. ngae n. sp. (black triangle). Scale bar = 100 km. See text for exact localities." figureDoi="http://doi.org/10.5281/zenodo.12682038" httpUri="https://zenodo.org/record/12682038/files/figure.png" pageId="11" pageNumber="62">Fig. 11</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="0EBDAD87FFD249076BA583EF7A35FEA7" pageId="12" pageNumber="63" type="etymology">
<paragraph id="4618FE0CFFD249076BA583EF7A35FEA7" blockId="12.[151,1436,151,285]" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BA583EF7A22FF0B" bold="true" box="[199,334,151,177]" pageId="12" pageNumber="63">Etymology.</emphasis>
The species name, 
<taxonomicName id="81A7858FFFD24907694683EF7936FF0A" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[548,602,151,176]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="ngae">
<emphasis id="74D3221EFFD24907694683EF7936FF0A" box="[548,602,151,176]" italics="true" pageId="12" pageNumber="63">ngae</emphasis>
</taxonomicName>
, is derived from “Ng” (the first two letters of Nguu, a reference to the Nguu Mountains in the Eastern Arc Mountain range of 
<collectingCountry id="3EB0BE9CFFD2490769DA83C37871FF6F" box="[696,797,187,213]" name="Tanzania" pageId="12" pageNumber="63">Tanzania</collectingCountry>
where the specimens were collected, as well as “Ng”, the family name of Dr Ngan Kee Ng, that is given a feminine ending. The specific epithet is used as a Latin noun in the genitive singular.
</paragraph>
</subSubSection>
<caption id="12D8AE84FFD249076BF5867C7847FAFA" ID-DOI="http://doi.org/10.5281/zenodo.12682038" ID-Zenodo-Dep="12682038" httpUri="https://zenodo.org/record/12682038/files/figure.png" pageId="12" pageNumber="63" startId="12.[151,250,1284,1308]" targetBox="[164,1423,319,1250]" targetPageId="12" targetType="figure">
<paragraph id="4618FE0CFFD249076BF5867C7847FAFA" blockId="12.[151,1436,1284,1344]" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BF5867C7A72FAA6" bold="true" box="[151,286,1284,1308]" pageId="12" pageNumber="63">FIGURE 11.</emphasis>
Map showing the geographic distribution of 
<taxonomicName id="81A7858FFFD249076981867C7F62FAA6" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[739,1038,1284,1308]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD249076981867C7F62FAA6" box="[739,1038,1284,1308]" italics="true" pageId="12" pageNumber="63">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD249076F76867C7F21FAA6" bold="true" box="[1044,1101,1284,1308]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD249076F76867C7F21FAA6" box="[1044,1101,1284,1308]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(black circles) and 
<taxonomicName id="81A7858FFFD249076E73867C7E32FAA6" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1297,1374,1284,1308]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD249076E73867C7E32FAA6" box="[1297,1374,1284,1308]" italics="true" pageId="12" pageNumber="63">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD249076E06867C7EF0FAA6" bold="true" box="[1380,1436,1284,1308]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD249076E06867C7EF0FAA6" box="[1380,1436,1284,1308]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(black triangle). Scale bar = 100 km. See text for exact localities.
</paragraph>
</caption>
<subSubSection id="0EBDAD87FFD249076BA5861679BAF912" pageId="12" pageNumber="63" type="distribution">
<paragraph id="4618FE0CFFD249076BA586167E4BFA4E" blockId="12.[151,1437,1390,2028]" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BA586167A35FA32" bold="true" box="[199,345,1390,1416]" pageId="12" pageNumber="63">Distribution</emphasis>
. 
<taxonomicName id="81A7858FFFD249076A0486167918FA32" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[358,628,1390,1416]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD249076A0486167918FA32" box="[358,628,1390,1416]" italics="true" pageId="12" pageNumber="63">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD249076918861679DBFA32" bold="true" box="[634,695,1390,1416]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD249076918861679DBFA32" box="[634,695,1390,1416]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is known only from one locality in the Kwebuyu River in the Nguu Mountains (
<quantity id="815F53E9FFD249076A7E86EA7A0DFA17" box="[284,353,1426,1453]" metricMagnitude="2" metricUnit="m" metricValue="8.629999999999999" pageId="12" pageNumber="63" unit="m" value="863.0">863 m</quantity>
ASL) in the 
<collectingRegion id="846330EEFFD249076A8586EB79EDFA16" box="[487,641,1426,1453]" country="Tanzania" name="Tanga" pageId="12" pageNumber="63">Tanga Region</collectingRegion>
of northeastern 
<collectingCountry id="3EB0BE9CFFD24907685286EA78F9FA16" box="[816,917,1426,1452]" name="Tanzania" pageId="12" pageNumber="63">Tanzania</collectingCountry>
(
<figureCitation id="DE9CE289FFD2490768C386EA789CFA16" box="[929,1008,1426,1452]" captionStart="FIGURE 11" captionStartId="12.[151,250,1284,1308]" captionTargetBox="[164,1423,319,1250]" captionTargetId="figure-89@12.[164,1423,309,1260]" captionTargetPageId="12" captionText="FIGURE 11. Map showing the geographic distribution of Arcopotamonautes parekeeae n. sp. (black circles) and A. ngae n. sp. (black triangle). Scale bar = 100 km. See text for exact localities." figureDoi="http://doi.org/10.5281/zenodo.12682038" httpUri="https://zenodo.org/record/12682038/files/figure.png" pageId="12" pageNumber="63">Fig. 11</figureCitation>
). The relatively small Nguu Mountains (area 
<quantity id="815F53E9FFD249076BB586CE7A2DFA6A" box="[215,321,1462,1489]" metricMagnitude="6" metricUnit="m" metricValue="1.591" pageId="12" pageNumber="63" unit="km" value="1591.0">1,591 km</quantity>
<superScript id="B1D25344FFD249076A2386CE7A25FA7E" attach="left" box="[321,329,1462,1476]" fontSize="6" pageId="12" pageNumber="63">2</superScript>
that reach up to 
<quantity id="815F53E9FFD24907696A86CE7909FA6B" box="[520,613,1462,1489]" metricMagnitude="3" metricUnit="m" metricValue="1.55" pageId="12" pageNumber="63" unit="m" value="1550.0">1,550 m</quantity>
ASL) are part of a series of forested highlands in the central Eastern Arc mountains that also includes the nearby Mkungwe, Nguru, Ukaguru, Rubeho, and Uvidunda Mountains.
</paragraph>
<paragraph id="4618FE0CFFD249076BA5868679BAF912" blockId="12.[151,1437,1390,2028]" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BA586867A46F9A2" bold="true" box="[199,298,1534,1560]" pageId="12" pageNumber="63">Habitat.</emphasis>
This species is found in the Kwebuyu River that drains the forested Nguu Mountains in Handeni District in 
<collectingCountry id="3EB0BE9CFFD249076A73855A7A15F986" box="[273,377,1570,1596]" name="Tanzania" pageId="12" pageNumber="63">Tanzania</collectingCountry>
. The collection locality in the Kwebuyu River in the forested Nguu Mountains at 863 m ASL is a tributary in the watershed of the Wami River that drains east to the Indian Ocean. The Nguu Mountains are a protected site listed as a Key Biodiversity Area of international significance because they meet established criteria for recognition as a site of biodiversity importance.
</paragraph>
</subSubSection>
<subSubSection id="0EBDAD87FFD249066BA585CA7E2AFC57" lastPageId="13" lastPageNumber="64" pageId="12" pageNumber="63" type="discussion">
<paragraph id="4618FE0CFFD249076BA585CA7B9BF81E" blockId="12.[151,1437,1390,2028]" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BA585CA7A57F976" bold="true" box="[199,315,1714,1740]" pageId="12" pageNumber="63">Remarks.</emphasis>
The genus 
<taxonomicName id="81A7858FFFD249076AA585CA7871F977" authority="Bott, 1955" authorityName="Bott" authorityYear="1955" box="[455,797,1714,1741]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="genus">
<emphasis id="74D3221EFFD249076AA585CA79F6F976" box="[455,666,1714,1740]" italics="true" pageId="12" pageNumber="63">Arcopotamonautes</emphasis>
<bibRefCitation id="223683FDFFD2490769C685CB7871F977" author="Bott, R." box="[676,797,1714,1741]" pageId="12" pageNumber="63" pagination="209 - 352" refId="ref6745" refString="Bott, R. (1955) Die Susswasserkrabben von Afrika (Crust. Decap.) und Ihre Stammesgeschichte. Annales du Musee du Congo Belge, Tervuren, Belgique, C Zoologie, (3, 3), 3 (1), 209 - 352." type="journal article" year="1955">Bott, 1955</bibRefCitation>
</taxonomicName>
currently comprises 15 species from the D. R. 
<collectingCountry id="3EB0BE9CFFD249076E2985CA7EF4F976" box="[1355,1432,1714,1740]" name="Democratic Republic of the Congo" pageId="12" pageNumber="63">Congo</collectingCountry>
, 
<collectingCountry id="3EB0BE9CFFD249076BF585AF7B8FF94B" box="[151,227,1751,1777]" name="Kenya" pageId="12" pageNumber="63">Kenya</collectingCountry>
, 
<collectingCountry id="3EB0BE9CFFD249076B8D85AE7A2BF94A" box="[239,327,1750,1776]" name="Malawi" pageId="12" pageNumber="63">Malawi</collectingCountry>
, 
<collectingCountry id="3EB0BE9CFFD249076A3685AE7ADFF94A" box="[340,435,1750,1776]" name="Rwanda" pageId="12" pageNumber="63">Rwanda</collectingCountry>
, 
<collectingCountry id="3EB0BE9CFFD249076ADD85AE794BF94A" box="[447,551,1750,1776]" name="Tanzania" pageId="12" pageNumber="63">Tanzania</collectingCountry>
, and 
<collectingCountry id="3EB0BE9CFFD24907690185AE79D5F94A" box="[611,697,1750,1776]" name="Zambia" pageId="12" pageNumber="63">Zambia</collectingCountry>
(
<bibRefCitation id="223683FDFFD2490769AA85AE7F71F94A" author="Cumberlidge, N. &amp; Daniels, S. R." box="[712,1053,1750,1776]" pageId="12" pageNumber="63" pagination="1268 - 1311" refId="ref6969" refString="Cumberlidge, N. &amp; Daniels, S. R. (2022) A new multilocus phylogeny reveals overlooked diversity in African freshwater crabs (Brachyura: Potamoidea): a major revision with new higher taxa and genera. Zoological Journal of the Linnean Society, 194, 1268 - 1311. https: // doi. org / 10.1093 / zoolinnean / zlab 082" type="journal article" year="2022">Cumberlidge &amp; Daniels 2022</bibRefCitation>
). 
<taxonomicName id="81A7858FFFD249076F5385AE7E11F94A" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1073,1405,1750,1776]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD249076F5385AE7E11F94A" box="[1073,1405,1750,1776]" italics="true" pageId="12" pageNumber="63">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD249076EE485AE7BD4F8AE" bold="true" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD249076EE485AE7BD4F8AE" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD249076B9385827A2BF8AE" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[241,327,1786,1812]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD249076B9385827A2BF8AE" box="[241,327,1786,1812]" italics="true" pageId="12" pageNumber="63">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD249076A2D85827AE3F8AE" bold="true" box="[335,399,1786,1812]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD249076A2D85827AE3F8AE" box="[335,399,1786,1812]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are assigned to this genus because they conform to the diagnosis provided by 
<bibRefCitation id="223683FDFFD249076E6885827AC4F882" author="Cumberlidge, N. &amp; Daniels, S. R." pageId="12" pageNumber="63" pagination="1268 - 1311" refId="ref6969" refString="Cumberlidge, N. &amp; Daniels, S. R. (2022) A new multilocus phylogeny reveals overlooked diversity in African freshwater crabs (Brachyura: Potamoidea): a major revision with new higher taxa and genera. Zoological Journal of the Linnean Society, 194, 1268 - 1311. https: // doi. org / 10.1093 / zoolinnean / zlab 082" type="journal article" year="2022">Cumberlidge &amp; Daniels (2022: 1291)</bibRefCitation>
. For example, in both species the postfrontal crest is distinct and completely traverses the carapace, the epibranchial tooth is reduced to a small granule, the posterior carapace sulci are distinct (
<figureCitation id="DE9CE289FFD249076E71843A7EFBF8E7" box="[1299,1431,1858,1885]" captionStart="FIGURE 1" captionStartId="2.[151,250,1896,1920]" captionTargetBox="[218,1370,234,1870]" captionTargetId="figure-47@2.[218,1370,234,1870]" captionTargetPageId="2" captionText="FIGURE 1. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, dorsal habitus; B, carapace, dorsal view. Scale bar: A = 10.5 mm; B = 5.4 mm." figureDoi="http://doi.org/10.5281/zenodo.12682016" httpUri="https://zenodo.org/record/12682016/files/figure.png" pageId="12" pageNumber="63">Figs. 1A, B</figureCitation>
, 
<figureCitation id="DE9CE289FFD249076BF5841E7BB7F83A" box="[151,219,1894,1920]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="12" pageNumber="63">6A, B</figureCitation>
); and the G1TA is distinctly widened in the midsection and ends in an upturned tip (
<figureCitation id="DE9CE289FFD249076F1A841E7F90F83A" box="[1144,1276,1894,1920]" captionStart="FIGURE 4" captionStartId="5.[151,250,869,893]" captionTargetBox="[218,1370,181,845]" captionTargetId="figure-17@5.[218,1370,181,845]" captionTargetPageId="5" captionText="FIGURE 4. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G1, dorsal view; B, left G1, dorsal view, detail of terminal article (G1TA); C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 2.0 mm; B = 0.85 mm; C = 0.8 mm." figureDoi="http://doi.org/10.5281/zenodo.12682024" httpUri="https://zenodo.org/record/12682024/files/figure.png" pageId="12" pageNumber="63">Figs. 4A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD249076E67841E7E24F83A" box="[1285,1352,1894,1921]" captionStart="FIGURE 5" captionStartId="5.[151,250,1781,1805]" captionTargetBox="[218,1370,990,1758]" captionTargetId="figure-85@5.[218,1370,990,1758]" captionTargetPageId="5" captionText="FIGURE 5. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G2, ventral view; B, left G1, ventral view; C, left G1, ventral view, showing detail of terminal article (G1TA). Scale bar: A = 2.2 mm; B = 1.5; C = 0.6 mm." figureDoi="http://doi.org/10.5281/zenodo.12682026" httpUri="https://zenodo.org/record/12682026/files/figure.png" pageId="12" pageNumber="63">5B, C</figureCitation>
, 
<figureCitation id="DE9CE289FFD249076E30841E7EF4F83A" box="[1362,1432,1894,1920]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="12" pageNumber="63">9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD249076BF584F27B86F81E" box="[151,234,1930,1956]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="12" pageNumber="63">10B, C</figureCitation>
).
</paragraph>
<paragraph id="4618FE0CFFD249066BA584D67E2AFC57" blockId="12.[151,1437,1390,2028]" lastBlockId="13.[151,1437,151,1509]" lastPageId="13" lastPageNumber="64" pageId="12" pageNumber="63">
<emphasis id="74D3221EFFD249076BA584D67A01F872" bold="true" box="[199,365,1966,1992]" pageId="12" pageNumber="63">Comparisons.</emphasis>
<taxonomicName id="81A7858FFFD249076A1284D679D5F872" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[368,697,1966,1992]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD249076A1284D679D5F872" box="[368,697,1966,1992]" italics="true" pageId="12" pageNumber="63">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD2490769DF84D67995F872" bold="true" box="[701,761,1966,1992]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD2490769DF84D67995F872" box="[701,761,1966,1992]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD24907684884D67810F872" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[810,892,1966,1992]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD24907684884D67810F872" box="[810,892,1966,1992]" italics="true" pageId="12" pageNumber="63">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD2490768E284D678D0F872" bold="true" box="[896,956,1966,1992]" pageId="12" pageNumber="63">
<taxonomicNameLabel id="6FE09F65FFD2490768E284D678D0F872" box="[896,956,1966,1992]" pageId="12" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD249076FBC84D67EFAF872" baseAuthorityName="Hilgendorf" baseAuthorityYear="1898" box="[1246,1430,1966,1992]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="suprasulcatus">
<emphasis id="74D3221EFFD249076FBC84D67EFAF872" box="[1246,1430,1966,1992]" italics="true" pageId="12" pageNumber="63">A. suprasulcatus</emphasis>
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD249076BF584AA7916F856" authority="(Reed &amp; Cumberlidge, 2006)" baseAuthorityName="Reed &amp; Cumberlidge" baseAuthorityYear="2006" box="[151,634,2002,2028]" class="Malacostraca" family="Potamonautidae" genus="Rotundopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="xiphoidus">
<emphasis id="74D3221EFFD249076BF584AA7A49F856" box="[151,293,2002,2028]" italics="true" pageId="12" pageNumber="63">A. xiphoidus</emphasis>
(
<bibRefCitation id="223683FDFFD249076A5684AA791EF856" author="Reed, S. K. &amp; Cumberlidge, N." box="[308,626,2002,2028]" pageId="12" pageNumber="63" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge, 2006</bibRefCitation>
)
</taxonomicName>
<taxonomicName id="81A7858FFFD2490769E084AA7F7DF856" authority="(Hilgendorf, 1898)" baseAuthorityName="Hilgendorf" baseAuthorityYear="1898" box="[642,1041,2002,2028]" class="Malacostraca" family="Potamonautidae" genus="Rotundopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="infravallatus">
<emphasis id="74D3221EFFD2490769E084AA785DF856" box="[642,817,2002,2028]" italics="true" pageId="12" pageNumber="63">A. infravallatus</emphasis>
(
<bibRefCitation id="223683FDFFD24907682384AA7F65F856" author="Hilgendorf, F." box="[833,1033,2002,2028]" pageId="12" pageNumber="63" pagination="1 - 37" refId="ref7667" refString="Hilgendorf, F. (1898) Die Land- und Susswasser-Dekapoden Ostafrikas. In: Die Thierwelt Deutsch Ost-Afrikas, 4 (7), 1 - 37." type="journal article" year="1898">Hilgendorf, 1898</bibRefCitation>
)
</taxonomicName>
, and 
<taxonomicName id="81A7858FFFD249066F2D84AA7A36FF0B" authority="(Daniels, Phiri &amp; Bayliss, 2014)" baseAuthorityName="Daniels, Phiri &amp; Bayliss" baseAuthorityYear="2014" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="13" lastPageNumber="64" order="Decapoda" pageId="12" pageNumber="63" phylum="Arthropoda" rank="species" species="bellarussus">
<emphasis id="74D3221EFFD249076F2D84AA7F9CF856" box="[1103,1264,2002,2028]" italics="true" pageId="12" pageNumber="63">A. bellarussus</emphasis>
(
<bibRefCitation id="223683FDFFD249066F9D84AA7A3EFF0B" author="Daniels, S. R. &amp; Phiri, E. E. &amp; Bayliss, J." lastPageId="13" lastPageNumber="64" pageId="12" pageNumber="63" pagination="356 - 369" refId="ref7315" refString="Daniels, S. R., Phiri, E. E. &amp; Bayliss, J. (2014) Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes). Zoological Journal of the Linnean Society, 171, 356 - 369. https: // doi. org / 10.1111 / zoj. 12139" type="journal article" year="2014">Daniels, Phiri &amp; Bayliss, 2014</bibRefCitation>
)
</taxonomicName>
by the form of the G1TA, which is distinctly widened in the midsection in 
<taxonomicName id="81A7858FFFD349066FA283EF7E3EFF0B" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1216,1362,151,177]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066FA283EF7E3EFF0B" box="[1216,1362,151,177]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066E3983EF7EF0FF0B" bold="true" box="[1371,1436,151,177]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066E3983EF7EF0FF0B" box="[1371,1436,151,177]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066BFD83C37A49FF6F" box="[159,293,187,213]" captionStart="FIGURE 4" captionStartId="5.[151,250,869,893]" captionTargetBox="[218,1370,181,845]" captionTargetId="figure-17@5.[218,1370,181,845]" captionTargetPageId="5" captionText="FIGURE 4. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G1, dorsal view; B, left G1, dorsal view, detail of terminal article (G1TA); C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 2.0 mm; B = 0.85 mm; C = 0.8 mm." figureDoi="http://doi.org/10.5281/zenodo.12682024" httpUri="https://zenodo.org/record/12682024/files/figure.png" pageId="13" pageNumber="64">Figs. 4A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD349066A5283C27A1FFF6F" box="[304,371,186,213]" captionStart="FIGURE 5" captionStartId="5.[151,250,1781,1805]" captionTargetBox="[218,1370,990,1758]" captionTargetId="figure-85@5.[218,1370,990,1758]" captionTargetPageId="5" captionText="FIGURE 5. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G2, ventral view; B, left G1, ventral view; C, left G1, ventral view, showing detail of terminal article (G1TA). Scale bar: A = 2.2 mm; B = 1.5; C = 0.6 mm." figureDoi="http://doi.org/10.5281/zenodo.12682026" httpUri="https://zenodo.org/record/12682026/files/figure.png" pageId="13" pageNumber="64">5B, C</figureCitation>
) and 
<taxonomicName id="81A7858FFFD349066AD083C3796BFF6E" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[434,519,187,213]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066AD083C3796BFF6E" box="[434,519,187,213]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD34906696D83C37922FF6F" bold="true" box="[527,590,187,213]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD34906696D83C37922FF6F" box="[527,590,187,213]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD34906693C83C3798FFF6F" box="[606,739,187,213]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="13" pageNumber="64">Figs. 9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD34906698C83C37853FF6F" box="[750,831,187,213]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="13" pageNumber="64">10B, C</figureCitation>
) (vs slim, curved, and needle-like in 
<taxonomicName id="81A7858FFFD349066F8383C37EF1FF6F" baseAuthorityName="Hilgendorf" baseAuthorityYear="1898" box="[1249,1437,187,213]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="suprasulcatus">
<emphasis id="74D3221EFFD349066F8383C37EF1FF6F" box="[1249,1437,187,213]" italics="true" pageId="13" pageNumber="64">A. suprasulcatus</emphasis>
</taxonomicName>
and 
<taxonomicName id="81A7858FFFD349066BA583A77A04FF43" baseAuthorityName="Daniels, Phiri &amp; Bayliss" baseAuthorityYear="2014" box="[199,360,223,249]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="bellarussus">
<emphasis id="74D3221EFFD349066BA583A77A04FF43" box="[199,360,223,249]" italics="true" pageId="13" pageNumber="64">A. bellarussus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066AFE83A7791BFF43" author="Daniels, S. R. &amp; Phiri, E. E. &amp; Bayliss, J." box="[412,631,223,249]" pageId="13" pageNumber="64" pagination="356 - 369" refId="ref7315" refString="Daniels, S. R., Phiri, E. E. &amp; Bayliss, J. (2014) Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes). Zoological Journal of the Linnean Society, 171, 356 - 369. https: // doi. org / 10.1111 / zoj. 12139" type="journal article" year="2014">
Daniels 
<emphasis id="74D3221EFFD349066A9883A77940FF43" box="[506,556,223,249]" italics="true" pageId="13" pageNumber="64">et al</emphasis>
. 2014
</bibRefCitation>
: fig, 5A, B; or cone-shaped, not widened, and tapering to a pointed tip in 
<taxonomicName id="81A7858FFFD349066BD6827B7A2CFEA7" baseAuthorityName="Reed &amp; Cumberlidge" baseAuthorityYear="2006" box="[180,320,259,285]" class="Malacostraca" family="Potamonautidae" genus="Rotundopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="xiphoidus">
<emphasis id="74D3221EFFD349066BD6827B7A2CFEA7" box="[180,320,259,285]" italics="true" pageId="13" pageNumber="64">A. xiphoidus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066A10827B79C8FEA7" author="Reed, S. K. &amp; Cumberlidge, N." box="[370,676,259,285]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: figs. 171, 172, and 
<taxonomicName id="81A7858FFFD3490668E4827B7F58FEA7" baseAuthorityName="Hilgendorf" baseAuthorityYear="1898" box="[902,1076,259,285]" class="Malacostraca" family="Potamonautidae" genus="Rotundopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="infravallatus">
<emphasis id="74D3221EFFD3490668E4827B7F58FEA7" box="[902,1076,259,285]" italics="true" pageId="13" pageNumber="64">A. infravallatus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066F04827B7EF4FEA7" author="Reed, S. K. &amp; Cumberlidge, N." box="[1126,1432,259,285]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: figs. 149, 150). 
<taxonomicName id="81A7858FFFD349066A2E825F79F5FEFB" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[332,665,295,321]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD349066A2E825F79F5FEFB" box="[332,665,295,321]" italics="true" pageId="13" pageNumber="64">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490669C3825F798DFEFB" bold="true" box="[673,737,295,321]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490669C3825F798DFEFB" box="[673,737,295,321]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD349066878825F781DFEFA" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[794,881,295,321]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066878825F781DFEFA" box="[794,881,295,321]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD34906681B825F78D5FEFB" bold="true" box="[889,953,295,321]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD34906681B825F78D5FEFB" box="[889,953,295,321]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD349066F92825F7A1FFEDF" authority="(Cunnington, 1907)" baseAuthorityName="Cunnington" baseAuthorityYear="1907" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="orbitospinus">
<emphasis id="74D3221EFFD349066F92825F7EF0FEFB" box="[1264,1436,295,321]" italics="true" pageId="13" pageNumber="64">A. orbitospinus</emphasis>
(
<bibRefCitation id="223683FDFFD349066BFD82337A07FEDF" author="Cunnington, W." box="[159,363,331,357]" pageId="13" pageNumber="64" pagination="258 - 276" refId="ref7247" refString="Cunnington, W. (1907) Zoological Results of the Third Tanganyika Expedition, conducted by Dr. W. A. Cunnington. 1904 - 1905. Report of the Brachyurous Crustacea. Proceedings of the Zoological Society of London, 1907, 258 - 276. https: // doi. org / 10.1111 / j. 1096 - 3642.1907. tb 01815. x" type="book chapter" year="1907">Cunnington, 1907</bibRefCitation>
)
</taxonomicName>
from Lake 
<collectingCountry id="3EB0BE9CFFD349066A9682337926FEDF" box="[500,586,331,357]" name="Malawi" pageId="13" pageNumber="64">Malawi</collectingCountry>
and 
<taxonomicName id="81A7858FFFD34906691D82337898FEDF" authority="(Cunnington, 1907)" baseAuthorityName="Cunnington" baseAuthorityYear="1907" box="[639,1012,331,357]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="platynotus">
<emphasis id="74D3221EFFD34906691D8233787EFEDF" box="[639,786,331,357]" italics="true" pageId="13" pageNumber="64">A. platynotus</emphasis>
(
<bibRefCitation id="223683FDFFD34906684282337880FEDF" author="Cunnington, W." box="[800,1004,331,357]" pageId="13" pageNumber="64" pagination="258 - 276" refId="ref7247" refString="Cunnington, W. (1907) Zoological Results of the Third Tanganyika Expedition, conducted by Dr. W. A. Cunnington. 1904 - 1905. Report of the Brachyurous Crustacea. Proceedings of the Zoological Society of London, 1907, 258 - 276. https: // doi. org / 10.1111 / j. 1096 - 3642.1907. tb 01815. x" type="book chapter" year="1907">Cunnington, 1907</bibRefCitation>
)
</taxonomicName>
from Lake Tanganyika by the form of the carapace lateral margin which is smooth and lacks teeth in 
<taxonomicName id="81A7858FFFD34906683E82177882FE33" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[860,1006,367,393]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD34906683E82177882FE33" box="[860,1006,367,393]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD34906689782177F59FE33" bold="true" box="[1013,1077,367,393]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD34906689782177F59FE33" box="[1013,1077,367,393]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066F2782177FD2FE33" box="[1093,1214,367,393]" captionStart="FIGURE 1" captionStartId="2.[151,250,1896,1920]" captionTargetBox="[218,1370,234,1870]" captionTargetId="figure-47@2.[218,1370,234,1870]" captionTargetPageId="2" captionText="FIGURE 1. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, dorsal habitus; B, carapace, dorsal view. Scale bar: A = 10.5 mm; B = 5.4 mm." figureDoi="http://doi.org/10.5281/zenodo.12682016" httpUri="https://zenodo.org/record/12682016/files/figure.png" pageId="13" pageNumber="64">Fig. 1A, B</figureCitation>
) and 
<taxonomicName id="81A7858FFFD349066F9D82177E38FE32" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1279,1364,367,393]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066F9D82177E38FE32" box="[1279,1364,367,393]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066E3E82177EF0FE33" bold="true" box="[1372,1436,367,393]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066E3E82177EF0FE33" box="[1372,1436,367,393]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066BFD82EB7A74FE17" box="[159,280,403,429]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="13" pageNumber="64">Fig. 6A, B</figureCitation>
) (vs a lateral margin that has several teeth behind the epibranchial tooth in 
<taxonomicName id="81A7858FFFD349066F0A82EB7E7FFE17" baseAuthorityName="Cunnington" baseAuthorityYear="1907" box="[1128,1299,403,429]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="orbitospinus">
<emphasis id="74D3221EFFD349066F0A82EB7E7FFE17" box="[1128,1299,403,429]" italics="true" pageId="13" pageNumber="64">A. orbitospinus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066E2482EB7A00FE6B" author="Reed, S. K. &amp; Cumberlidge, N." pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: pl. V, A, B; fig. 42 (as 
<taxonomicName id="81A7858FFFD34906691182CF78CDFE6B" baseAuthorityName="Rathbun" baseAuthorityYear="1904" box="[627,929,439,465]" class="Malacostraca" family="Potamonautidae" genus="Potamonautes" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="lirrangensis">
<emphasis id="74D3221EFFD34906691182CF78CDFE6B" box="[627,929,439,465]" italics="true" pageId="13" pageNumber="64">Potamonautes lirrangensis</emphasis>
</taxonomicName>
), and 
<taxonomicName id="81A7858FFFD34906688582CF7F17FE6B" baseAuthorityName="Cunnington" baseAuthorityYear="1907" box="[999,1147,439,465]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="platynotus">
<emphasis id="74D3221EFFD34906688582CF7F17FE6B" box="[999,1147,439,465]" italics="true" pageId="13" pageNumber="64">A. platynotus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066FCF82CF7BBFFE4F" author="Reed, S. K. &amp; Cumberlidge, N." pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: fig. 94). 
<taxonomicName id="81A7858FFFD349066A2682A379FDFE4F" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[324,657,475,501]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD349066A2682A379FDFE4F" box="[324,657,475,501]" italics="true" pageId="13" pageNumber="64">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490669F882A379B7FE4F" bold="true" box="[666,731,475,501]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490669F882A379B7FE4F" box="[666,731,475,501]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD34906687682A37807FE4E" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[788,875,475,501]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD34906687682A37807FE4E" box="[788,875,475,501]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD34906681782A378D9FE4F" bold="true" box="[885,949,475,501]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD34906681782A378D9FE4F" box="[885,949,475,501]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD349066F8D82A37A06FDA3" authority="(Hilgendorf, 1897)" baseAuthorityName="Hilgendorf" baseAuthorityYear="1897" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="platycentron">
<emphasis id="74D3221EFFD349066F8D82A37EF0FE4F" box="[1263,1436,475,501]" italics="true" pageId="13" pageNumber="64">A. platycentron</emphasis>
(
<bibRefCitation id="223683FDFFD349066BFD82877A0EFDA3" author="Hilgendorf, F." box="[159,354,511,537]" pageId="13" pageNumber="64" pagination="81 - 85" refId="ref7634" refString="Hilgendorf, F. (1897) Eine neue Landcrabe (Telphusa platycentron) aus Ostafrika. Sitzungs-Bericht der Gesellschaft naturforschender Freunde zu Berlin, (6), 81 - 85." type="journal article" year="1897">Hilgendorf, 1897</bibRefCitation>
)
</taxonomicName>
from Lake Chala (
<collectingCountry id="3EB0BE9CFFD34906695E828779EBFDA3" box="[572,647,511,537]" name="Kenya" pageId="13" pageNumber="64">Kenya</collectingCountry>
and 
<collectingCountry id="3EB0BE9CFFD3490669DE8287784FFDA3" box="[700,803,511,537]" name="Tanzania" pageId="13" pageNumber="64">Tanzania</collectingCountry>
) by the form of the cheliped carpus distal tooth, which is slim and pointed in 
<taxonomicName id="81A7858FFFD349066A1B815B7967FD87" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[377,523,547,573]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066A1B815B7967FD87" box="[377,523,547,573]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066970815B793EFD87" bold="true" box="[530,594,547,573]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066970815B793EFD87" box="[530,594,547,573]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066900815B79D4FD87" box="[610,696,547,573]" captionStart="FIGURE 3" captionStartId="4.[151,250,1851,1875]" captionTargetBox="[218,1370,181,1827]" captionTargetId="figure-23@4.[218,1370,181,1827]" captionTargetPageId="4" captionText="FIGURE 3. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, right chela, external view; B, left chela, external view; C, left cheliped merus, dorsal view; D, left cheliped merus, basis-ischium, ventral view; E, left cheliped carpus, dorsal view. Scale bar: A, B = 8.0 mm; C = 4.0 mm; D, E = 3.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682022" httpUri="https://zenodo.org/record/12682022/files/figure.png" pageId="13" pageNumber="64">Fig. 3C</figureCitation>
) and 
<taxonomicName id="81A7858FFFD34906699B815B7823FD86" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[761,847,547,573]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD34906699B815B7823FD86" box="[761,847,547,573]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066835815B78FAFD87" bold="true" box="[855,918,547,573]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066835815B78FAFD87" box="[855,918,547,573]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD3490668C5815B7890FD87" box="[935,1020,547,573]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="13" pageNumber="64">Fig. 8E</figureCitation>
) (vs extremely broad and blunt in 
<taxonomicName id="81A7858FFFD349066EE6815B7A4FFDDB" baseAuthorityName="Hilgendorf" baseAuthorityYear="1897" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="platycentron">
<emphasis id="74D3221EFFD349066EE6815B7A4FFDDB" italics="true" pageId="13" pageNumber="64">A. platycentron</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066A37813F79E4FDDB" author="Reed, S. K. &amp; Cumberlidge, N." box="[341,648,583,609]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: pl. IX, A). 
<taxonomicName id="81A7858FFFD34906686E813F7F3BFDDB" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[780,1111,583,609]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="sp. nov.">
<emphasis id="74D3221EFFD34906686E813F7F3BFDDB" box="[780,1111,583,609]" italics="true" pageId="13" pageNumber="64">Arcopotamonautes parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066F3C813F7FF1FDDB" bold="true" box="[1118,1181,583,609]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066F3C813F7FF1FDDB" box="[1118,1181,583,609]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD349066FB1813F7E44FDDA" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1235,1320,583,609]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066FB1813F7E44FDDA" box="[1235,1320,583,609]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066E4D813F7E02FDDB" bold="true" box="[1327,1390,583,609]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066E4D813F7E02FDDB" box="[1327,1390,583,609]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD349066AF18113799CFD3F" authority="(Rathbun, 1921)" baseAuthorityName="Rathbun" baseAuthorityYear="1921" box="[403,752,619,645]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="unisulcatus">
<emphasis id="74D3221EFFD349066AF18113795EFD3F" box="[403,562,619,645]" italics="true" pageId="13" pageNumber="64">A. unisulcatus</emphasis>
(Rathbun, 1921)
</taxonomicName>
by the sulci on the anterior thoracic sternum, where the S3/4 is deep and completely traverses the thoracic sternum in 
<taxonomicName id="81A7858FFFD34906687E81F778C2FD13" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[796,942,655,681]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD34906687E81F778C2FD13" box="[796,942,655,681]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490668D481F7789AFD13" bold="true" box="[950,1014,655,681]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490668D481F7789AFD13" box="[950,1014,655,681]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066F6581F77FECFD13" box="[1031,1152,655,681]" captionStart="FIGURE 2" captionStartId="3.[151,250,1844,1868]" captionTargetBox="[229,1358,181,1820]" captionTargetId="figure-17@3.[229,1358,181,1820]" captionTargetPageId="3" captionText="FIGURE 2. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, carapace, frontal view; B, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; C, cephalothorax showing anterior thoracic sternum, ventral view; D, left third maxilliped, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction. Scale bar: A = 5.3 mm; B, C = 8.0 mm; D = 1.9 mm; E = 1.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682018" httpUri="https://zenodo.org/record/12682018/files/figure.png" pageId="13" pageNumber="64">Fig. 2B, C</figureCitation>
) and 
<taxonomicName id="81A7858FFFD349066FA281F77E7AFD12" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1216,1302,655,681]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066FA281F77E7AFD12" box="[1216,1302,655,681]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066E7C81F77E32FD13" bold="true" box="[1310,1374,655,681]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066E7C81F77E32FD13" box="[1310,1374,655,681]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="DE9CE289FFD349066E0D81F77BB7FD77" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="13" pageNumber="64">Fig. 7B, C</figureCitation>
) (vs S3/4 is missing except for two short notches at the margins in 
<taxonomicName id="81A7858FFFD3490668BA81CB7F14FD77" baseAuthorityName="Rathbun" baseAuthorityYear="1921" box="[984,1144,691,717]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="unisulcatus">
<emphasis id="74D3221EFFD3490668BA81CB7F14FD77" box="[984,1144,691,717]" italics="true" pageId="13" pageNumber="64">A. unisulcatus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066FC981CB7BBFFD4B" author="Reed, S. K. &amp; Cumberlidge, N." pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: fig. 130). 
<taxonomicName id="81A7858FFFD349066A2E81AF7937FD4A" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[332,603,727,753]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD349066A2E81AF7937FD4A" box="[332,603,727,753]" italics="true" pageId="13" pageNumber="64">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD34906690081AF79CDFD4B" bold="true" box="[610,673,727,753]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD34906690081AF79CDFD4B" box="[610,673,727,753]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD3490668B281AF7A36FCAF" authority="(Cumberlidge, Johnson, Clark &amp; Genner, 2021)" baseAuthorityName="Cumberlidge, Johnson, Clark &amp; Genner" baseAuthorityYear="2021" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="amosae">
<emphasis id="74D3221EFFD3490668B281AF7F29FD4A" box="[976,1093,727,753]" italics="true" pageId="13" pageNumber="64">A. amosae</emphasis>
(
<bibRefCitation id="223683FDFFD349066F3181AF7A3EFCAF" author="Cumberlidge, N. &amp; Johnson, E. &amp; Clark, P. F. &amp; Genner, M. J." pageId="13" pageNumber="64" pagination="145 - 178" refId="ref7170" refString="Cumberlidge, N., Johnson, E., Clark, P. F. &amp; Genner, M. J. (2021) Unravelling the Potamonautes lirrangensis (Rathbun, 1904) species complex (Potamoidea: Potamonautidae), with the description of two new species. European Journal of Taxonomy, 744 (1), 145 - 178. https: // doi. org / 10.5852 / ejt. 2021.744.1309" type="journal article" year="2021">Cumberlidge, Johnson, Clark &amp; Genner, 2021</bibRefCitation>
)
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD349066A05818378D3FCAF" authority="Cumberlidge, Clark &amp; Fastiggi, 2019" authorityName="Cumberlidge, Clark &amp; Fastiggi" authorityYear="2019" box="[359,959,763,789]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="caputanatis">
<emphasis id="74D3221EFFD349066A0581837966FCAE" box="[359,522,763,789]" italics="true" pageId="13" pageNumber="64">A. caputanatis</emphasis>
Cumberlidge, Clark &amp; Fastiggi, 2019
</taxonomicName>
), 
<taxonomicName id="81A7858FFFD3490668B181837E6EFCAF" authority="(Miers, 1885)" baseAuthorityName="Miers" baseAuthorityYear="1885" box="[979,1282,762,789]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="johnstoni">
<emphasis id="74D3221EFFD3490668B181837F37FCAF" box="[979,1115,763,789]" italics="true" pageId="13" pageNumber="64">A. johnstoni</emphasis>
(
<bibRefCitation id="223683FDFFD349066F0E81837F95FCAF" author="Miers, E. J." box="[1132,1273,762,789]" pageId="13" pageNumber="64" pagination="237 - 239" refId="ref7761" refString="Miers, E. J. (1885) 6. Description of a new variety of river-crab, of the genus Thelphusa, from Kilimanjaro. Proceedings of the Zoological Society of London, 1885, 237 - 239. https: // doi. org / 10.1111 / j. 1096 - 3642.1885. tb 02902. x" type="book chapter" year="1885">Miers, 1885</bibRefCitation>
)
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD349066E6D8183796FFC83" authority="(Cumberlidge &amp; Vannini, 2004)" baseAuthorityName="Cumberlidge &amp; Vannini" baseAuthorityYear="2004" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="raybouldi">
<emphasis id="74D3221EFFD349066E6D81837EF0FCAF" box="[1295,1436,763,789]" italics="true" pageId="13" pageNumber="64">A. raybouldi</emphasis>
(
<bibRefCitation id="223683FDFFD349066BFD80677A97FC83" author="Cumberlidge, N. &amp; Vannini, M." box="[159,507,799,825]" pageId="13" pageNumber="64" pagination="681 - 693" refId="ref7036" refString="Cumberlidge, N. &amp; Vannini, M. (2004) Ecology and taxonomy of a tree living freshwater crab (Brachyura: Potamoidea: Potamonautidae) from Kenya and Tanzania, East Africa. Journal of Natural History, 38, 681 - 693. https: // doi. org / 10.1080 / 0022293021000041716" type="journal article" year="2004">Cumberlidge &amp; Vannini, 2004</bibRefCitation>
)
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD34906696D8067782EFC83" authority="(Bott, 1955)" baseAuthorityName="Bott" baseAuthorityYear="1955" box="[527,834,798,825]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="gerdalensis">
<emphasis id="74D3221EFFD34906696D806779DCFC83" box="[527,688,799,825]" italics="true" pageId="13" pageNumber="64">A. gerdalensis</emphasis>
(
<bibRefCitation id="223683FDFFD3490669A280677856FC83" author="Bott, R." box="[704,826,798,825]" pageId="13" pageNumber="64" pagination="209 - 352" refId="ref6745" refString="Bott, R. (1955) Die Susswasserkrabben von Afrika (Crust. Decap.) und Ihre Stammesgeschichte. Annales du Musee du Congo Belge, Tervuren, Belgique, C Zoologie, (3, 3), 3 (1), 209 - 352." type="journal article" year="1955">Bott, 1955</bibRefCitation>
)
</taxonomicName>
and 
<taxonomicName id="81A7858FFFD34906681980677FA9FC83" authority="(Chace, 1953)" baseAuthorityName="Chace" baseAuthorityYear="1953" box="[891,1221,798,825]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="montivagus">
<emphasis id="74D3221EFFD34906681980677F71FC82" box="[891,1053,799,825]" italics="true" pageId="13" pageNumber="64">A. montivagus</emphasis>
(
<bibRefCitation id="223683FDFFD349066F4F80677FD0FC83" author="Chace, F. A." box="[1069,1212,798,825]" pageId="13" pageNumber="64" pagination="427 - 443" refId="ref6887" refString="Chace, F. A. (1953) Zoological results of a fifth expedition to east Africa, VI: Decapod Crustacea. Bulletin of the Museum of Comparative Zoology, Harvard College, 110 (6), 427 - 443." type="journal article" year="1953">Chace, 1953</bibRefCitation>
)
</taxonomicName>
by the form of the G1TA, which comprises rounded dorsal and ventral lobes separated by either a wide gutter or a high thin crest in 
<taxonomicName id="81A7858FFFD349066EE6803B7A65FC3B" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066EE6803B7A65FC3B" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066A72801F7A23FC3B" bold="true" box="[272,335,871,897]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066A72801F7A23FC3B" box="[272,335,871,897]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and 
<taxonomicName id="81A7858FFFD349066AE4801F7AB7FC3A" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[390,475,871,897]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="n. sp.">
<emphasis id="74D3221EFFD349066AE4801F7AB7FC3A" box="[390,475,871,897]" italics="true" pageId="13" pageNumber="64">A. ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066A81801F794EFC3B" bold="true" box="[483,546,871,897]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066A81801F794EFC3B" box="[483,546,871,897]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
respectively (
<figureCitation id="DE9CE289FFD3490669A2801F782AFC3B" box="[704,838,871,897]" captionStart="FIGURE 4" captionStartId="5.[151,250,869,893]" captionTargetBox="[218,1370,181,845]" captionTargetId="figure-17@5.[218,1370,181,845]" captionTargetPageId="5" captionText="FIGURE 4. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G1, dorsal view; B, left G1, dorsal view, detail of terminal article (G1TA); C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 2.0 mm; B = 0.85 mm; C = 0.8 mm." figureDoi="http://doi.org/10.5281/zenodo.12682024" httpUri="https://zenodo.org/record/12682024/files/figure.png" pageId="13" pageNumber="64">Figs. 4A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD349066833801E78F9FC3B" box="[849,917,870,897]" captionStart="FIGURE 5" captionStartId="5.[151,250,1781,1805]" captionTargetBox="[218,1370,990,1758]" captionTargetId="figure-85@5.[218,1370,990,1758]" captionTargetPageId="5" captionText="FIGURE 5. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G2, ventral view; B, left G1, ventral view; C, left G1, ventral view, showing detail of terminal article (G1TA). Scale bar: A = 2.2 mm; B = 1.5; C = 0.6 mm." figureDoi="http://doi.org/10.5281/zenodo.12682026" httpUri="https://zenodo.org/record/12682026/files/figure.png" pageId="13" pageNumber="64">5B, C</figureCitation>
, 
<figureCitation id="DE9CE289FFD3490668C3801F788AFC3B" box="[929,998,871,897]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="13" pageNumber="64">9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD349066890801F7F2FFC3B" box="[1010,1091,871,897]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="13" pageNumber="64">10B, C</figureCitation>
) (vs a G1TA, where the dorsal and ventral lobes are close together and not separated by a wide gutter in 
<taxonomicName id="81A7858FFFD3490668BB80F37F22FC1E" baseAuthorityName="Cumberlidge, Johnson, Clark &amp; Genner" baseAuthorityYear="2021" box="[985,1102,907,933]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="amosae">
<emphasis id="74D3221EFFD3490668BB80F37F22FC1E" box="[985,1102,907,933]" italics="true" pageId="13" pageNumber="64">A. amosae</emphasis>
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD349066F3E80F37F93FC1E" authorityName="Cumberlidge, Clark &amp; Fastiggi" authorityYear="2019" box="[1116,1279,907,933]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="caputanatis">
<emphasis id="74D3221EFFD349066F3E80F37F93FC1E" box="[1116,1279,907,933]" italics="true" pageId="13" pageNumber="64">A. caputanatis</emphasis>
</taxonomicName>
, 
<taxonomicName id="81A7858FFFD349066E6F80F37EF9FC1F" baseAuthorityName="Miers" baseAuthorityYear="1885" box="[1293,1429,907,933]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="johnstoni">
<emphasis id="74D3221EFFD349066E6F80F37EF9FC1F" box="[1293,1429,907,933]" italics="true" pageId="13" pageNumber="64">A. johnstoni</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066BDC80D77A90FC73" author="Reed, S. K. &amp; Cumberlidge, N." box="[190,508,943,969]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: figs. 151, 152; 
<taxonomicName id="81A7858FFFD3490669DF80D77821FC73" baseAuthorityName="Cumberlidge &amp; Vannini" baseAuthorityYear="2004" box="[701,845,943,969]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="raybouldi">
<emphasis id="74D3221EFFD3490669DF80D77821FC73" box="[701,845,943,969]" italics="true" pageId="13" pageNumber="64">A. raybouldi</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD3490668E480D77FAFFC73" author="Reed, S. K. &amp; Cumberlidge, N." box="[902,1219,943,969]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: figs. 165, 166; 
<taxonomicName id="81A7858FFFD349066EE680D77A7BFC57" baseAuthorityName="Bott" baseAuthorityYear="1955" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="gerdalensis">
<emphasis id="74D3221EFFD349066EE680D77A7BFC57" italics="true" pageId="13" pageNumber="64">A. gerdalensis</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066A2B80AB7910FC57" author="Reed, S. K. &amp; Cumberlidge, N." box="[329,636,979,1005]" pageId="13" pageNumber="64" pagination="1 - 139" refId="ref7906" refString="Reed, S. K. &amp; Cumberlidge, N. (2006) Taxonomy and biogeography of the freshwater crabs of Tanzania, East Africa (Brachyura: Potamoidea: Potamonautidae). Zootaxa, 1262 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 1262.1.1" type="journal article" year="2006">Reed &amp; Cumberlidge 2006</bibRefCitation>
: figs. 147, 148; and 
<taxonomicName id="81A7858FFFD34906683C80AB789BFC56" baseAuthorityName="Chace" baseAuthorityYear="1953" box="[862,1015,979,1005]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="montvagus">
<emphasis id="74D3221EFFD34906683C80AB789BFC56" box="[862,1015,979,1005]" italics="true" pageId="13" pageNumber="64">A. montvagus</emphasis>
</taxonomicName>
, cf. 
<bibRefCitation id="223683FDFFD349066F4B80AB7FDEFC57" author="Chace, F. A." box="[1065,1202,978,1005]" pageId="13" pageNumber="64" pagination="427 - 443" refId="ref6887" refString="Chace, F. A. (1953) Zoological results of a fifth expedition to east Africa, VI: Decapod Crustacea. Bulletin of the Museum of Comparative Zoology, Harvard College, 110 (6), 427 - 443." type="journal article" year="1953">Chace 1953</bibRefCitation>
: fig. 3e–g, j).
</paragraph>
</subSubSection>
<subSubSection id="0EBDAD87FFD349066BA5808F79D1FA5F" pageId="13" pageNumber="64" type="description">
<paragraph id="4618FE0CFFD349066BA5808F79D1FA5F" blockId="13.[151,1437,151,1509]" pageId="13" pageNumber="64">
<taxonomicName id="81A7858FFFD349066BA5808F7AB4FBAA" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[199,472,1015,1041]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="ngae" status="sp. nov.">
<emphasis id="74D3221EFFD349066BA5808F7AB4FBAA" box="[199,472,1015,1041]" italics="true" pageId="13" pageNumber="64">Arcopotamonautes ngae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066A83808F794EFBAB" bold="true" box="[481,546,1015,1041]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066A83808F794EFBAB" box="[481,546,1015,1041]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from 
<taxonomicName id="81A7858FFFD349066838808F7881FBAB" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[858,1005,1015,1041]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066838808F7881FBAB" box="[858,1005,1015,1041]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066897808F7F5AFBAB" bold="true" box="[1013,1078,1015,1041]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066897808F7F5AFBAB" box="[1013,1078,1015,1041]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
by the exorbital tooth which is small and pointed (
<figureCitation id="DE9CE289FFD349066A0C87637A88FB8F" box="[366,484,1051,1077]" captionStart="FIGURE 1" captionStartId="2.[151,250,1896,1920]" captionTargetBox="[218,1370,234,1870]" captionTargetId="figure-47@2.[218,1370,234,1870]" captionTargetPageId="2" captionText="FIGURE 1. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, dorsal habitus; B, carapace, dorsal view. Scale bar: A = 10.5 mm; B = 5.4 mm." figureDoi="http://doi.org/10.5281/zenodo.12682016" httpUri="https://zenodo.org/record/12682016/files/figure.png" pageId="13" pageNumber="64">Fig. 1A, B</figureCitation>
) (vs small and blunt in 
<taxonomicName id="81A7858FFFD34906698F87637812FB8F" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[749,894,1051,1077]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD34906698F87637812FB8F" box="[749,894,1051,1077]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490668E6876378AFFB8F" bold="true" box="[900,963,1051,1077]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490668E6876378AFFB8F" box="[900,963,1051,1077]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD3490668B087637F26FB8F" box="[978,1098,1051,1077]" captionStart="FIGURE 6" captionStartId="7.[151,250,1775,1799]" captionTargetBox="[221,1366,181,1752]" captionTargetId="figure-17@7.[221,1366,181,1752]" captionTargetPageId="7" captionText="FIGURE 6. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, dorsal habitus; B, carapace dorsal view. Scale bar: A = 8.3 mm; B = 4.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682028" httpUri="https://zenodo.org/record/12682028/files/figure.png" pageId="13" pageNumber="64">Fig. 6A, B</figureCitation>
); by the anterior and posterior male thoracic sternum surface that is roughened by small raised granules (
<figureCitation id="DE9CE289FFD3490668B887477F3DFBE3" box="[986,1105,1087,1113]" captionStart="FIGURE 2" captionStartId="3.[151,250,1844,1868]" captionTargetBox="[229,1358,181,1820]" captionTargetId="figure-17@3.[229,1358,181,1820]" captionTargetPageId="3" captionText="FIGURE 2. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, carapace, frontal view; B, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; C, cephalothorax showing anterior thoracic sternum, ventral view; D, left third maxilliped, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction. Scale bar: A = 5.3 mm; B, C = 8.0 mm; D = 1.9 mm; E = 1.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682018" httpUri="https://zenodo.org/record/12682018/files/figure.png" pageId="13" pageNumber="64">Fig. 2B, C</figureCitation>
) (vs completely smooth in 
<taxonomicName id="81A7858FFFD349066EE687477A65FBC7" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066EE687477A65FBC7" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066A72871B7A23FBC7" bold="true" box="[272,335,1123,1149]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066A72871B7A23FBC7" box="[272,335,1123,1149]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD349066A3C871B7AB9FBC7" box="[350,469,1123,1149]" captionStart="FIGURE 7" captionStartId="8.[151,250,1750,1774]" captionTargetBox="[218,1370,181,1725]" captionTargetId="figure-23@8.[218,1370,181,1725]" captionTargetPageId="8" captionText="FIGURE 7. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, carapace, frontal view; B, cephalothorax showing anterior thoracic sternum, ventral view; C, cephalothorax showing pleon and posterior thoracic sternum, posteroventral view; D, left mandible, external view; E, left mandible, turned to show mandibular palp with short hardened ridge along superior margin of terminal article, ridge originating at article junction; F, third maxilliped, external view. Scale bar: A = 3.7 mm; B, C = 6.7 mm; D, E = 13.0 mm; F = 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12682030" httpUri="https://zenodo.org/record/12682030/files/figure.png" pageId="13" pageNumber="64">Fig. 7B, C</figureCitation>
); by the inferior margins of the cheliped merus which are each lined by small granules and the distal meral tooth is small (
<figureCitation id="DE9CE289FFD34906694587FF79F3FB1B" box="[551,671,1159,1185]" captionStart="FIGURE 3" captionStartId="4.[151,250,1851,1875]" captionTargetBox="[218,1370,181,1827]" captionTargetId="figure-23@4.[218,1370,181,1827]" captionTargetPageId="4" captionText="FIGURE 3. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, right chela, external view; B, left chela, external view; C, left cheliped merus, dorsal view; D, left cheliped merus, basis-ischium, ventral view; E, left cheliped carpus, dorsal view. Scale bar: A, B = 8.0 mm; C = 4.0 mm; D, E = 3.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682022" httpUri="https://zenodo.org/record/12682022/files/figure.png" pageId="13" pageNumber="64">Fig. 3C, D</figureCitation>
) (vs cheliped merus inferior margins with four large well-separated teeth and a large distal meral tooth in 
<taxonomicName id="81A7858FFFD34906692187D379B9FB7F" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[579,725,1195,1221]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD34906692187D379B9FB7F" box="[579,725,1195,1221]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490669BE87D37877FB7F" bold="true" box="[732,795,1195,1221]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490669BE87D37877FB7F" box="[732,795,1195,1221]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD34906684987D378CAFB7F" box="[811,934,1195,1221]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="13" pageNumber="64">Fig. 8C, D</figureCitation>
); by the cheliped carpus inner margin which has a large pointed distal tooth, and an extremely small pointed proximal tooth (
<figureCitation id="DE9CE289FFD349066F5C87B77FF9FB53" box="[1086,1173,1231,1257]" captionStart="FIGURE 3" captionStartId="4.[151,250,1851,1875]" captionTargetBox="[218,1370,181,1827]" captionTargetId="figure-23@4.[218,1370,181,1827]" captionTargetPageId="4" captionText="FIGURE 3. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, right chela, external view; B, left chela, external view; C, left cheliped merus, dorsal view; D, left cheliped merus, basis-ischium, ventral view; E, left cheliped carpus, dorsal view. Scale bar: A, B = 8.0 mm; C = 4.0 mm; D, E = 3.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682022" httpUri="https://zenodo.org/record/12682022/files/figure.png" pageId="13" pageNumber="64">Fig. 3C</figureCitation>
) (vs a cheliped carpus inner margin that has a medium blunt distal tooth and a small pointed proximal tooth in 
<taxonomicName id="81A7858FFFD349066FE7878B7E7BFAB7" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[1157,1303,1267,1293]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066FE7878B7E7BFAB7" box="[1157,1303,1267,1293]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066E42878B7E33FAB7" bold="true" box="[1312,1375,1267,1293]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066E42878B7E33FAB7" box="[1312,1375,1267,1293]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD349066E12878B7BD6FA8B" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="13" pageNumber="64">Fig. 8E</figureCitation>
); by the dactylus of the male right (major) chela which is short, robust, and straight, with three large teeth proximally (
<figureCitation id="DE9CE289FFD349066A4186437A17FAEF" box="[291,379,1339,1365]" captionStart="FIGURE 3" captionStartId="4.[151,250,1851,1875]" captionTargetBox="[218,1370,181,1827]" captionTargetId="figure-23@4.[218,1370,181,1827]" captionTargetPageId="4" captionText="FIGURE 3. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a): A, right chela, external view; B, left chela, external view; C, left cheliped merus, dorsal view; D, left cheliped merus, basis-ischium, ventral view; E, left cheliped carpus, dorsal view. Scale bar: A, B = 8.0 mm; C = 4.0 mm; D, E = 3.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12682022" httpUri="https://zenodo.org/record/12682022/files/figure.png" pageId="13" pageNumber="64">Fig. 3A</figureCitation>
) (vs a male right (major) chela dactylus that is distinctly arched with three well-spaced small teeth interspersed by granule-like teeth in 
<taxonomicName id="81A7858FFFD34906690E86277990FAC3" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[620,764,1375,1401]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD34906690E86277990FAC3" box="[620,764,1375,1401]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD3490668618627782DFAC3" bold="true" box="[771,833,1375,1401]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD3490668618627782DFAC3" box="[771,833,1375,1401]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD349066832862778C4FAC3" box="[848,936,1375,1401]" captionStart="FIGURE 8" captionStartId="9.[151,250,1450,1474]" captionTargetBox="[218,1370,181,1425]" captionTargetId="figure-17@9.[218,1370,181,1425]" captionTargetPageId="9" captionText="FIGURE 8. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, from Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, right chela, external view; B, left chela, external view; C, left cheliped, carpus, merus, ischium, dorsal view; D, left cheliped, merus, ischium, ventral view. Scale bar: A, B = 4.4 mm; C = 3.1 mm; D = 2.2 mm." figureDoi="http://doi.org/10.5281/zenodo.12682032" httpUri="https://zenodo.org/record/12682032/files/figure.png" pageId="13" pageNumber="64">Fig. 8A</figureCitation>
); and by the G1TA where the dorsal lobe has a thin low crest medially and a low lobe laterally, and the ventral lobe lacks setae (
<figureCitation id="DE9CE289FFD349066F5B86FB7FD1FA27" box="[1081,1213,1411,1437]" captionStart="FIGURE 4" captionStartId="5.[151,250,869,893]" captionTargetBox="[218,1370,181,845]" captionTargetId="figure-17@5.[218,1370,181,845]" captionTargetPageId="5" captionText="FIGURE 4. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G1, dorsal view; B, left G1, dorsal view, detail of terminal article (G1TA); C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 2.0 mm; B = 0.85 mm; C = 0.8 mm." figureDoi="http://doi.org/10.5281/zenodo.12682024" httpUri="https://zenodo.org/record/12682024/files/figure.png" pageId="13" pageNumber="64">Figs. 4A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD349066FAB86FA7E60FA27" box="[1225,1292,1410,1437]" captionStart="FIGURE 5" captionStartId="5.[151,250,1781,1805]" captionTargetBox="[218,1370,990,1758]" captionTargetId="figure-85@5.[218,1370,990,1758]" captionTargetPageId="5" captionText="FIGURE 5. Arcopotamonautes parekeeae n. sp., adult male holotype, CW 39.0 mm, Yongoma River, South Pare Mountains, Tanzania (NMU 1968.02a):A, left G2, ventral view; B, left G1, ventral view; C, left G1, ventral view, showing detail of terminal article (G1TA). Scale bar: A = 2.2 mm; B = 1.5; C = 0.6 mm." figureDoi="http://doi.org/10.5281/zenodo.12682026" httpUri="https://zenodo.org/record/12682026/files/figure.png" pageId="13" pageNumber="64">5B, C</figureCitation>
) (vs a G1TA where the dorsal lobe has a high rounded crest medially and a low lobe laterally, and the ventral lobe is lined by long setae in 
<taxonomicName id="81A7858FFFD349066B9186B37AE8FA5F" authorityName="Cumberlidge &amp; Jonas" authorityYear="2024" box="[243,388,1483,1509]" class="Malacostraca" family="Potamonautidae" genus="Arcopotamonautes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="64" phylum="Arthropoda" rank="species" species="parekeeae" status="n. sp.">
<emphasis id="74D3221EFFD349066B9186B37AE8FA5F" box="[243,388,1483,1509]" italics="true" pageId="13" pageNumber="64">A. parekeeae</emphasis>
</taxonomicName>
<emphasis id="74D3221EFFD349066AE986B37AA6FA5F" bold="true" box="[395,458,1483,1509]" pageId="13" pageNumber="64">
<taxonomicNameLabel id="6FE09F65FFD349066AE986B37AA6FA5F" box="[395,458,1483,1509]" pageId="13" pageNumber="64" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
; 
<figureCitation id="DE9CE289FFD349066ABB86B3793EFA5F" box="[473,594,1483,1509]" captionStart="FIGURE 9" captionStartId="10.[151,250,1514,1538]" captionTargetBox="[242,1346,489,1491]" captionTargetId="figure-145@10.[242,1346,489,1491]" captionTargetPageId="10" captionText="FIGURE 9. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Tamota, Nguu Mountains, Tanzania (NMU 1966.08a): A, left G1, ventral view; B, left G1, dorsal view; C, left G1, turned to show detail of terminal article (G1TA). Scale bar: A, B = 1.3 mm; C = 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.12682034" httpUri="https://zenodo.org/record/12682034/files/figure.png" pageId="13" pageNumber="64">Fig. 9A–C</figureCitation>
, 
<figureCitation id="DE9CE289FFD34906693F86B379DCFA5F" box="[605,688,1483,1509]" captionStart="FIGURE 10" captionStartId="11.[151,250,1787,1811]" captionTargetBox="[229,1358,633,1763]" captionTargetId="figure-217@11.[229,1358,633,1763]" captionTargetPageId="11" captionText="FIGURE 10. Arcopotamonautes ngae n. sp., adult male holotype, CW 27.5 mm, Kwebuyu River, Nguu Mountains, Tamota, Tanzania (NMU 1966.08a): A, left G1, superior view; B, left G2, ventral view; C, left G1, turned to show detail of dorsal membrane and terminal article (G1TA). Scale bar: A = 0.82; B = 1.3 mm; C = 0.9 mm." figureDoi="http://doi.org/10.5281/zenodo.12682036" httpUri="https://zenodo.org/record/12682036/files/figure.png" pageId="13" pageNumber="64">10B, C</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>