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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1017.60990" ID-GBIF-Dataset="a2475ca3-52f5-47e1-a636-7c7ee239aafe" ID-PMC="PMC7900062" ID-Pensoft-Pub="1313-2970-1017-127" ID-Pensoft-UUID="D6D11236ECC45103B2638F39344F6C49" ID-PubMed="33642893" ID-Zenodo-Dep="4556435" ID-ZooBank="36B25C0843C846229189B4F692651CFB" ModsDocID="1313-2970-1017-127" checkinTime="1621381619951" checkinUser="pensoft" docAuthor="Ndongo, Pierre A. Mvogo, Rintelen, Thomas von &amp; Cumberlidge, Neil" docDate="2021" docId="F7A19E547650576E997FBB44B56700A0" docLanguage="en" docName="ZooKeys 1017: 111-125" docOrigin="ZooKeys 1017" docPubDate="2021-02-15" docSource="http://dx.doi.org/10.3897/zookeys.1017.60990" docTitle="Potamonemus mambilorum Cumberlidge &amp; Clark 1992" docType="treatment" docVersion="4" id="D6D11236ECC45103B2638F39344F6C49" lastPageNumber="127" masterDocId="D6D11236ECC45103B2638F39344F6C49" masterDocTitle="A new species of the freshwater crab genus Potamonemus Cumberlidge &amp; Clark, 1992 (Crustacea, Potamonautidae) endemic to the forested highlands of southwestern Cameroon, Central Africa" masterLastPageNumber="141" masterPageNumber="127" pageNumber="127" updateTime="1668149791738" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of the freshwater crab genus Potamonemus Cumberlidge &amp; Clark, 1992 (Crustacea, Potamonautidae) endemic to the forested highlands of southwestern Cameroon, Central Africa</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ndongo, Pierre A. Mvogo</mods:namePart>
<mods:affiliation>Departement de Gestion des Ecosystemes Aquatiques, Institut des Sciences Halieutiques, Universite de Douala a Yabassi, PO. Box. 7236, Douala-Bassa, Cameroun &amp; Museum fuer Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115, Berlin, Germany</mods:affiliation>
<mods:nameIdentifier type="email">mpierrearmand@yahoo.fr</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Rintelen, Thomas von</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6253-3078</mods:nameIdentifier>
<mods:affiliation>Museum fuer Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115, Berlin, Germany</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Cumberlidge, Neil</mods:namePart>
<mods:affiliation>Department of Biology, Northern Michigan University, Marquette, MI, 49855 - 5376, USA</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-02-15</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1017</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>127</mods:start>
<mods:end>141</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1017.60990</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1017.60990</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1017-127</mods:identifier>
<mods:identifier type="ZooBank">36B25C0843C846229189B4F692651CFB</mods:identifier>
<mods:identifier type="Pensoft-UUID">D6D11236ECC45103B2638F39344F6C49</mods:identifier>
<mods:identifier type="Zenodo-Dep">4556435</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="182229609" LSID="urn:lsid:plazi:treatment:F7A19E547650576E997FBB44B56700A0" httpUri="http://treatment.plazi.org/id/F7A19E547650576E997FBB44B56700A0" lastPageNumber="127" pageId="0" pageNumber="127">
<subSubSection pageId="0" pageNumber="127" type="nomenclature">
<paragraph pageId="0" pageNumber="127">
<taxonomicName LSID="F7A19E54-7650-576E-997F-BB44B56700A0" authority="Cumberlidge &amp; Clark, 1992" authorityName="Cumberlidge &amp; Clark" authorityYear="1992" class="Malacostraca" family="Potamonautidae" genus="Potamonemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonemus mambilorum" order="Decapoda" pageId="0" pageNumber="127" phylum="Arthropoda" rank="species" species="mambilorum">Potamonemus mambilorum Cumberlidge &amp; Clark, 1992</taxonomicName>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Species of Potamonemus from southwestern Cameroon, whole animal, dorsal view a largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) b adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) c adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) d adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 15 mm (a), 16 mm (b), 17 mm (c), 16 mm (d)." figureDoi="10.3897/zookeys.1017.60990.figure1" httpUri="https://binary.pensoft.net/fig/509442" pageId="0" pageNumber="127">Figures 1b</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Species of Potamonemus from southwestern Cameroon, dorsal view a largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) b adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) c adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) d adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 13 mm (a), 13 mm (b), 14 mm (c), 11 mm (d)." figureDoi="10.3897/zookeys.1017.60990.figure2" httpUri="https://binary.pensoft.net/fig/509443" pageId="0" pageNumber="127">, 2b</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Species of Potamonemus from southwestern Cameroon, ventral view a largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) b adult male, holotype (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) c adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) d adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 16 mm (a), 17 mm (b), 16 mm (c), 17 mm (d)." figureDoi="10.3897/zookeys.1017.60990.figure3" httpUri="https://binary.pensoft.net/fig/509444" pageId="0" pageNumber="127">, 3b</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Species of Potamonemus from southwestern Cameroon, frontal view a largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) b adult male, holotype (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) c adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) d adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 13 mm (a), 12 mm (b), 14 mm (c), 11 mm (d)." figureDoi="10.3897/zookeys.1017.60990.figure4" httpUri="https://binary.pensoft.net/fig/509445" pageId="0" pageNumber="127">, 4b</figureCitation>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Frontal view of the right and left chelae of adult males of species of Potamonemus from southwestern Cameroon a, b largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) c, d adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) e, f largest adult male, holotype (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) g, h adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Dorsal view of the right cheliped carpus of adult males of species of Potamonemus i, largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) j adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) k adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) l adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 5 mm (a, c, g), 2.5 mm (b, d, f, h), 5 mm (i, j, k, l)." figureDoi="10.3897/zookeys.1017.60990.figure5" httpUri="https://binary.pensoft.net/fig/509446" pageId="0" pageNumber="127">, 5c, d, i</figureCitation>
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Dorsal view of left G 1 (a, d, g, j) and ventral view of left G 1 (c, f, i, l) of adult males of species of Potamonemus from southwestern Cameroon. a, c largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) d, f adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) g, i adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) j, l adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Ventral view of G 2 of adult males of species of Potamonemus from southwestern Cameroon b largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) e adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) h adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) k adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 2 mm (a-k)." figureDoi="10.3897/zookeys.1017.60990.figure6" httpUri="https://binary.pensoft.net/fig/509447" pageId="0" pageNumber="127">, 6d-f</figureCitation>
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Frontal view of the left third maxilliped of adult males of species of Potamonemus from southwestern Cameroon a largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) b adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) c adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) d adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Frontal view of the left mandible of adult males of species of Potamonemus from southwestern Cameroon e largest adult male (CW 29 mm) of P. mambilorum from Mount Nlonako (ZMB Crust. 32428) f adult male (CW 28 mm) of P. mambilorum from small stream on Mount Manengouba (ZMB Crust. 30326) g adult male (CW 31 mm) of P. man sp. nov. from Bakossi National Park (ZMB Crust. 30328) h adult male, holotype (CW 25 mm) of P. man sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars: 5 mm (a-d), 2 mm (e-h)." figureDoi="10.3897/zookeys.1017.60990.figure7" httpUri="https://binary.pensoft.net/fig/509448" pageId="0" pageNumber="127">, 7b, f</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="127" type="materials_examined">
<paragraph pageId="0" pageNumber="127">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="127">
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="CH" location="CH" specimenCount="6" specimenCount-adult="6">
<specimenCount type="adult">6 adult</specimenCount>
<specimenCount>♂</specimenCount>
(CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.905" unit="mm" value="29.05">29.05 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.117" unit="mm" value="21.17">21.17 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.21" unit="mm" value="12.1">12.10 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.85" unit="mm" value="8.85">8.85 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.956" unit="mm" value="29.56">29.56 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.135" unit="mm" value="21.35">21.35 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.234" unit="mm" value="12.34">12.34 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.12" unit="mm" value="9.12">9.12 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.916" unit="mm" value="29.16">29.16 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.07" unit="mm" value="20.7">20.70 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
12.00 mm, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.12" unit="mm" value="9.12">9.12 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.893" unit="mm" value="28.93">28.93 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.069" unit="mm" value="20.69">20.69 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.185" unit="mm" value="11.85">11.85 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.94" unit="mm" value="9.94">9.94 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.674" unit="mm" value="26.74">26.74 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.962" unit="mm" value="19.62">19.62 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.132" unit="mm" value="11.32">11.32 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.63" unit="mm" value="9.63">9.63 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.674" unit="mm" value="26.74">26.74 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.962" unit="mm" value="19.62">19.62 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.132" unit="mm" value="11.32">11.32 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="9.63" unit="mm" value="9.63">9.63 mm</quantity>
)
</materialsCitation>
.
<materialsCitation collectingDate="2018-05-26" collectorName="P. A. Mvogo Ndongo, Crust." country="CH" elevation="900" latitude="4.89182" location="Mount Nlonako Ecological Reserve" longLatPrecision="1" longitude="9.98483" specimenCount="2" specimenCount-adult="2" stateProvince="Littoral region">
<specimenCount type="adult">2 adult</specimenCount>
<specimenCount>♀</specimenCount>
(CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.706" unit="mm" value="27.06">27.06 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.976" unit="mm" value="19.76">19.76 mm</quantity>
, CH
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.2449999999999999" unit="mm" value="12.45">12.45 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.34" unit="mm" value="8.34">8.34 mm</quantity>
; CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.668" unit="mm" value="26.68">26.68 mm</quantity>
, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.906" unit="mm" value="19.06">19.06 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.103" unit="mm" value="11.03">11.03 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="7.72" unit="mm" value="7.72">7.72 mm</quantity>
); Cameroon,
<collectingRegion country="Cameroon" name="Littoral">Littoral region</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:F7A19E547650576E997FBB44B56700A0:8EE9A3CE1BE9B6CDF6EAF220BFDDB296" country="CH" latitude="4.89182" longLatPrecision="1" longitude="9.98483" name="Mount Nlonako Ecological Reserve" stateProvince="Littoral region">Mount Nlonako Ecological Reserve</location>
(
<geoCoordinate degrees="4.891820" direction="north" orientation="latitude" precision="1" value="4.89182">4.891820</geoCoordinate>
,
<geoCoordinate degrees="9.984830" direction="east" orientation="longitude" precision="1" value="9.98483">9.984830</geoCoordinate>
),
<elevation metricMagnitude="2" metricUnit="m" metricValue="9.0" unit="m" value="900.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="9.0" unit="m" value="900.0">900 m</quantity>
a.s.l.
</elevation>
,
<collectingDate value="2018-05-26">26 May 2018</collectingDate>
, coll.
<collectorName>P.A. Mvogo Ndongo</collectorName>
(ZMB
<collectorName>Crust.</collectorName>
32428)
</materialsCitation>
.
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="CH" location="CH" specimenCount="1" specimenCount-adult="1">
<specimenCount type="adult">1 adult</specimenCount>
<specimenCount>♂</specimenCount>
(CW 28.00 mm, CL
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.91" unit="mm" value="19.1">19.10 mm</quantity>
,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.137" unit="mm" value="11.37">11.37 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="8.56" unit="mm" value="8.56">8.56 mm</quantity>
)
</materialsCitation>
;
<materialsCitation collectingDate="2017-03-14" collectorName="P. A. Mvogo Ndongo." country="CH" county="Southwest Region" elevation="1958" latitude="5.03492" location="Crust." longLatPrecision="1" longitude="9.83615" municipality="Mount Manengouba Ecological Reserve" specimenCount="1" specimenCount-adult="1">
<specimenCount type="adult">1 adult</specimenCount>
<specimenCount>♀</specimenCount>
(CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.836" unit="mm" value="28.36">28.36 mm</quantity>
, CL 20.00 mm,
<collectingCountry name="Switzerland">CH</collectingCountry>
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.027" unit="mm" value="10.27">10.27 mm</quantity>
, FW
<quantity metricMagnitude="-3" metricUnit="m" metricValue="7.79" unit="mm" value="7.79">7.79 mm</quantity>
;
<collectingCounty>Southwest Region</collectingCounty>
,
<collectingMunicipality>Mount Manengouba Ecological Reserve</collectingMunicipality>
, small stream around the mountain (ZMB
<location LSID="urn:lsid:plazi:treatment:F7A19E547650576E997FBB44B56700A0:4BCD7486DE4BE5625A35BE1D8FF5DC3B" country="CH" county="Southwest Region" latitude="5.03492" longLatPrecision="1" longitude="9.83615" municipality="Mount Manengouba Ecological Reserve" name="Crust.">Crust.</location>
30326) (
<geoCoordinate degrees="5.034920" direction="north" orientation="latitude" precision="1" value="5.03492">5.034920</geoCoordinate>
,
<geoCoordinate degrees="9.836150" direction="east" orientation="longitude" precision="1" value="9.83615">9.836150</geoCoordinate>
),
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.958" unit="m" value="1958.0">
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.958" unit="m" value="1958.0">1,958 m</quantity>
asl
</elevation>
,
<collectingDate value="2017-03-14">14 March 2017</collectingDate>
, coll.
<collectorName>P.A. Mvogo Ndongo.</collectorName>
</materialsCitation>
</paragraph>
<caption ID-Zenodo-Dep="4556459" doi="10.3897/zookeys.1017.60990.figure7" httpUri="https://binary.pensoft.net/fig/509448" pageId="0" pageNumber="127" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="127">
<emphasis bold="true" pageId="0" pageNumber="127">Figure 7.</emphasis>
Frontal view of the left third maxilliped of adult males of species of
<taxonomicName authorityName="Cumberlidge &amp; Clark" authorityYear="1992" class="Malacostraca" family="Potamonautidae" genus="Potamonemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonemus" order="Decapoda" pageId="0" pageNumber="127" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="127">Potamonemus</emphasis>
</taxonomicName>
from southwestern
<collectingCountry name="Cameroon">Cameroon</collectingCountry>
<emphasis bold="true" pageId="0" pageNumber="127">a</emphasis>
largest adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.9" unit="mm" value="29.0">29 mm</quantity>
) of
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
from Mount Nlonako (ZMB Crust. 32428)
<emphasis bold="true" pageId="0" pageNumber="127">b</emphasis>
adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.8" unit="mm" value="28.0">28 mm</quantity>
) of
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
from small stream on Mount Manengouba (ZMB Crust. 30326)
<emphasis bold="true" pageId="0" pageNumber="127">c</emphasis>
adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.1" unit="mm" value="31.0">31 mm</quantity>
) of
<taxonomicName lsidName="P. man" pageId="0" pageNumber="127" rank="species" species="man">
<emphasis italics="true" pageId="0" pageNumber="127">P. man</emphasis>
</taxonomicName>
sp. nov. from Bakossi National Park (ZMB Crust. 30328)
<emphasis bold="true" pageId="0" pageNumber="127">d</emphasis>
adult male,
<typeStatus>holotype</typeStatus>
(CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.5" unit="mm" value="25.0">25 mm</quantity>
) of
<taxonomicName lsidName="P. man" pageId="0" pageNumber="127" rank="species" species="man">
<emphasis italics="true" pageId="0" pageNumber="127">P. man</emphasis>
</taxonomicName>
sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Frontal view of the left mandible of adult males of species of
<taxonomicName authorityName="Cumberlidge &amp; Clark" authorityYear="1992" class="Malacostraca" family="Potamonautidae" genus="Potamonemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonemus" order="Decapoda" pageId="0" pageNumber="127" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="127">Potamonemus</emphasis>
</taxonomicName>
from southwestern
<collectingCountry name="Cameroon">Cameroon</collectingCountry>
<emphasis bold="true" pageId="0" pageNumber="127">e</emphasis>
largest adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.9" unit="mm" value="29.0">29 mm</quantity>
) of
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
from Mount Nlonako (ZMB Crust. 32428)
<emphasis bold="true" pageId="0" pageNumber="127">f</emphasis>
adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.8" unit="mm" value="28.0">28 mm</quantity>
) of
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
from small stream on Mount Manengouba (ZMB Crust. 30326)
<emphasis bold="true" pageId="0" pageNumber="127">g</emphasis>
adult male (CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.1" unit="mm" value="31.0">31 mm</quantity>
) of
<taxonomicName lsidName="P. man" pageId="0" pageNumber="127" rank="species" species="man">
<emphasis italics="true" pageId="0" pageNumber="127">P. man</emphasis>
</taxonomicName>
sp. nov. from Bakossi National Park (ZMB Crust. 30328)
<emphasis bold="true" pageId="0" pageNumber="127">h</emphasis>
adult male,
<typeStatus>holotype</typeStatus>
(CW
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.5" unit="mm" value="25.0">25 mm</quantity>
) of
<taxonomicName lsidName="P. man" pageId="0" pageNumber="127" rank="species" species="man">
<emphasis italics="true" pageId="0" pageNumber="127">P. man</emphasis>
</taxonomicName>
sp. nov. from Man Lake, Mount Manengouba (ZMB Crust. 30320). Scale bars:
<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.0" unit="mm" value="5.0">5 mm</quantity>
(
<emphasis bold="true" pageId="0" pageNumber="127">a-d</emphasis>
),
<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.0" unit="mm" value="2.0">2 mm</quantity>
(
<emphasis bold="true" pageId="0" pageNumber="127">e-h</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="127" type="remarks">
<paragraph pageId="0" pageNumber="127">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="127">
The distributional range of
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
is extended in this work by the discovery of populations in Mount Nlonako Ecological Reserve in the littoral region of Cameroon.
<taxonomicName authorityName="Cumberlidge &amp; Clark" authorityYear="1992" class="Malacostraca" family="Potamonautidae" genus="Potamonemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonemus mambilorum" order="Decapoda" pageId="0" pageNumber="127" phylum="Arthropoda" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">Potamonemus mambilorum</emphasis>
</taxonomicName>
was previously known from seven localities in the forested highlands and lowlands of southwestern Cameroon (extent of occurrence (EOO) 43,291 km2). The conservation status of this species was assessed as Least Concern (
<bibRefCitation DOI="https://doi.org/10.2305/IUCN.UK.2008.RLTS.T12383A3339062.en" author="Cumberlidge, N" journalOrPublisher="Institut de Recherche pour le Developpement, Paris" pageId="0" pageNumber="127" refId="B9" refString="Cumberlidge, N, 2008a. Louisea edeaensis. The IUCN Red List of Threatened Species 2008: e.T12383A3339062. https://doi.org/10.2305/IUCN.UK.2008.RLTS.T12383A3339062.en" title="Louisea edeaensis. The IUCN Red List of Threatened Species 2008: e. T 12383 A 3339062." url="https://doi.org/10.2305/IUCN.UK.2008.RLTS.T12383A3339062.en" year="2008 a">Cumberlidge 2008a</bibRefCitation>
), but this was before the threats to the freshwater ecosystems of this part of Africa were brought to light. The conservation status of
<taxonomicName lsidName="P. sachsi" pageId="0" pageNumber="127" rank="species" species="sachsi">
<emphasis italics="true" pageId="0" pageNumber="127">P. sachsi</emphasis>
</taxonomicName>
was assessed as Vulnerable, B1ab(iii)+2ab(iii), based on its distributional range that includes the Bamenda highlands in southwest Cameroon and the neighboring Obudu plateau in southeast Nigeria, which is continuous with the Bamenda highlands (EOO 24,219 km2) and perceived threats (
<bibRefCitation DOI="https://doi.org/10.2305/IUCN.UK.2008.RLTS.T134759A4009175.en" author="Cumberlidge, N" journalOrPublisher="Institut de Recherche pour le Developpement, Paris" pageId="0" pageNumber="127" refId="B10" refString="Cumberlidge, N, 2008b. Louisea balssi. The IUCN Red List of Threatened Species 2008: e.T134759A4009175. https://doi.org/10.2305/IUCN.UK.2008.RLTS.T134759A4009175.en" title="Louisea balssi. The IUCN Red List of Threatened Species 2008: e. T 134759 A 4009175." url="https://doi.org/10.2305/IUCN.UK.2008.RLTS.T134759A4009175.en" year="2008 b">Cumberlidge 2008b</bibRefCitation>
). The areas where
<taxonomicName lsidName="P. mambilorum" pageId="0" pageNumber="127" rank="species" species="mambilorum">
<emphasis italics="true" pageId="0" pageNumber="127">P. mambilorum</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="P. sachsi" pageId="0" pageNumber="127" rank="species" species="sachsi">
<emphasis italics="true" pageId="0" pageNumber="127">P. sachsi</emphasis>
</taxonomicName>
occur are now known to be at risk from a number of anthropogenic threats, including deforestation, together with intensive and encroaching agricultural practices and firewood collection, as well as release of pollutants such as agrochemicals potentially affecting the eggs, hatchling-carrying female crabs, and other aquatic organisms.
</paragraph>
<caption ID-Zenodo-Dep="4556461" doi="10.3897/zookeys.1017.60990.figure8" httpUri="https://binary.pensoft.net/fig/509449" pageId="0" pageNumber="127" start="Figure 8" startId="F8">
<paragraph pageId="0" pageNumber="127">
<emphasis bold="true" pageId="0" pageNumber="127">Figure 8.</emphasis>
Bayesian Inference (BI) tree topology for the freshwater crab taxa from Cameroon included in this study derived from mtDNA sequences corresponding to three loci (partial 16S rRNA, COI, and 12S rRNA genes). Bayesian Inference (BI) and ML statistical values (%) on the nodes indicate bootstrap support and posterior probabilities, respectively.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>
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