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515 lines
55 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.881.36744" ID-GBIF-Dataset="3cef5ca2-433f-45f7-a32b-087b5f1946a4" ID-PMC="PMC6813179" ID-Pensoft-Pub="1313-2970-881-135" ID-Pensoft-UUID="16F69FEA95835AE5BF6B9C34F83E49D7" ID-PubMed="31662614" ID-ZooBank="B058CA156A3D41A19ADFD00384234D8E" ModsDocID="1313-2970-881-135" checkinTime="1571384733377" checkinUser="pensoft" docAuthor="Mvogo Ndongo, Pierre A., von Rintelen, Thomas & Cumberlidge, Neil" docDate="2019" docId="D44FD7D894855BB4867F140EADCA8612" docLanguage="en" docName="ZooKeys 881: 135-164" docOrigin="ZooKeys 881" docSource="http://dx.doi.org/10.3897/zookeys.881.36744" docTitle="Louisea Cumberlidge 1994" docType="treatment" docVersion="6" id="16F69FEA95835AE5BF6B9C34F83E49D7" lastPageNumber="135" masterDocId="16F69FEA95835AE5BF6B9C34F83E49D7" masterDocTitle="Taxonomic revision of the endemic Cameroonian freshwater crab genus Louisea Cumberlidge, 1994 (Crustacea, Decapoda, Brachyura, Potamonautidae), with descriptions of two new species from Nkongsamba and Yabassi" masterLastPageNumber="164" masterPageNumber="135" pageNumber="135" updateTime="1668167896540" updateUser="ExternalLinkService">
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<mods:title>Taxonomic revision of the endemic Cameroonian freshwater crab genus Louisea Cumberlidge, 1994 (Crustacea, Decapoda, Brachyura, Potamonautidae), with descriptions of two new species from Nkongsamba and Yabassi</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Mvogo Ndongo, Pierre A.</mods:namePart>
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<mods:namePart>von Rintelen, Thomas</mods:namePart>
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<mods:namePart>Cumberlidge, Neil</mods:namePart>
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<mods:title>ZooKeys</mods:title>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>881</mods:number>
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<mods:start>135</mods:start>
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<mods:url>http://dx.doi.org/10.3897/zookeys.881.36744</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.881.36744</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-881-135</mods:identifier>
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<treatment ID-GBIF-Taxon="159754736" LSID="urn:lsid:plazi:treatment:D44FD7D894855BB4867F140EADCA8612" httpUri="http://treatment.plazi.org/id/D44FD7D894855BB4867F140EADCA8612" lastPageNumber="135" pageId="0" pageNumber="135">
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<subSubSection pageId="0" pageNumber="135" type="nomenclature">
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<paragraph pageId="0" pageNumber="135">
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Genus
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<taxonomicName LSID="D44FD7D8-9485-5BB4-867F-140EADCA8612" authority="Cumberlidge, 1994" authorityName="Cumberlidge" authorityYear="1994" class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">Louisea Cumberlidge, 1994</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="135" type="reference_group">
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<paragraph pageId="0" pageNumber="135">
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<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Globonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Globonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">Globonautes</taxonomicName>
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<bibRefCitation author="Bott, R" journalOrPublisher="Bulletin de l'Institute Francais d'Afrique Noire, serie A" pageId="0" pageNumber="135" pagination="994 - 1008" refId="B1" refString="Bott, R, 1959. Potamoniden aus West-Afrika (Crust., Dec.). Bulletin de l'Institute Francais d'Afrique Noire, serie A 21: 994 - 1008" title="Potamoniden aus West-Afrika (Crust., Dec.)." volume="21" year="1959">Bott 1959</bibRefCitation>
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: 995, pl. 1, figs 1-6; 1969: 359; 1970: 23.
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</paragraph>
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<paragraph pageId="0" pageNumber="135">
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<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">Louisea</taxonomicName>
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<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="0" pageNumber="135" pagination="122 - 131" refId="B8" refString="Cumberlidge, N, 1994. Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon. Proceedings of the Biological Society of Washington 107: 122 - 131" title="Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon." volume="107" year="1994">Cumberlidge 1994</bibRefCitation>
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: 123;
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<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
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: 226;
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<bibRefCitation author="Ng, PKL" journalOrPublisher="Raffles Bulletin of Zoology Supplement" pageId="0" pageNumber="135" pagination="1 - 286" refId="B31" refString="Ng, PKL, Guinot, D, Davie, PJF, 2008. Systema Brachyuorum: Part I. An annotated checklist of extant Brachyuran crabs of the world. Raffles Bulletin of Zoology Supplement 17: 1 - 286" title="Systema Brachyuorum: Part I. An annotated checklist of extant Brachyuran crabs of the world." volume="17" year="2008">Ng et al. 2008</bibRefCitation>
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: 169 (list).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="135" type="type species">
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<paragraph pageId="0" pageNumber="135">Type species.</paragraph>
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<paragraph pageId="0" pageNumber="135">
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<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Globonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Globonautes macropus" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="subspecies" species="macropus" subspecies="edeaensis">
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<emphasis italics="true" pageId="0" pageNumber="135">Globonautes macropus edeaensis</emphasis>
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</taxonomicName>
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Bott, 1969, by original designation; gender feminine.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="135" type="diagnosis">
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<paragraph pageId="0" pageNumber="135">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="135">
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Amended from
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<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="0" pageNumber="135" pagination="122 - 131" refId="B8" refString="Cumberlidge, N, 1994. Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon. Proceedings of the Biological Society of Washington 107: 122 - 131" title="Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon." volume="107" year="1994">Cumberlidge (1994</bibRefCitation>
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,
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<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
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). Carapace ovoid, high (CH/FW 1.28-2.12,
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<emphasis italics="true" pageId="0" pageNumber="135">N</emphasis>
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= 57) with faint urogastric groove (
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Four species of Louisea endemic to southwestern Cameroon, whole animal, dorsal view. a Largest adult male (CW 17.5 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 26930) (missing right cheliped) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (missing left p 5) (' Mvogo Ndongo et al. 2018: fig. 1 ', www. mapress. com / j / zt) c largest adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) (missing left p 2 - p 5, and right cheliped and p 2, p 3) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 8 mm (a), 9 mm (b), 8.30 mm (c), 17 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure2" httpUri="https://binary.pensoft.net/fig/347890" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure2">
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Figs 2
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Four species of Louisea endemic to southwestern Cameroon, whole animal, dorsal view. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) (missing left p 4) b second largest adult male (CW 14.8 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (missing left p 4 and right p 2) c subadult male, paratype (CW 13.8 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) (missing left p 2 - p 4, and right cheliped and p 2 - p 5) d second largest adult male (CW 18.38 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 12.42 mm (a), 10 mm (b), 8.42 mm (c), 11.63 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure3" httpUri="https://binary.pensoft.net/fig/347891" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure3">
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3
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Postfrontal crest detectable (either prominent or faint), but meeting anterolateral margins of carapace (
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Four species of Louisea endemic to Southwestern Cameroon, carapace, frontal view. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b second largest adult male (CW 14.8 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 7.20 mm (a), 6.60 mm (b), 8.06 mm (c), 8.70 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure7" httpUri="https://binary.pensoft.net/fig/347895" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure7">
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Fig. 7
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Exorbital, intermediate teeth small, but detectable; epibranchial tooth minute, almost undetectable (
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Four species of Louisea endemic to southwestern Cameroon, carapace, dorsal view. a Largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618) b second largest adult male (CW 14.8 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) d adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575). Scale bars: 9.1 mm (a), 7.25 mm (b), 7.90 mm (c), 8.62 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure4" httpUri="https://binary.pensoft.net/fig/347892" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure4">Figs 4</figureCitation>
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,
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Four species of Louisea endemic to Southwestern Cameroon, carapace, frontal view. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b second largest adult male (CW 14.8 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 7.20 mm (a), 6.60 mm (b), 8.06 mm (c), 8.70 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure7" httpUri="https://binary.pensoft.net/fig/347895" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure7">
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7
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Medial inferior margin of merus of cheliped with large jagged tooth one-third from distal margin, followed by numerous distinct smaller teeth decreasing in size proximally (
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Four species of Louisea endemic to southwestern Cameroon, right cheliped merus. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (missing left p 5) (' Mvogo Ndongo et al. 2018: fig. 3 d', www. mapress. com / j / zt) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 5 mm (a, c), 2 mm (b), 10 mm (d)." figureDoi="10.3897/zookeys.881.36744.figure9" httpUri="https://binary.pensoft.net/fig/347897" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure9">
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Fig. 9
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Third maxilliped exopod completely lacking flagellum; third maxilliped ischium with vertical groove (
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<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Four species of Louisea endemic to southwestern Cameroon, left third maxilliped. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (' Mvogo Ndongo et al. 2018: fig. 4 a', www. mapress. com / j / zt) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 2 mm (a-d)." figureDoi="10.3897/zookeys.881.36744.figure14" httpUri="https://binary.pensoft.net/fig/347902" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure14">
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Fig. 14
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Mandibular palp 2 segmented; terminal segment (TS) bilobed, with large anterior lobe (0.5-0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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TS length) (
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<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Four species of Louisea endemic to southwestern Cameroon, ventral view of right mandible. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 1 mm (a, c), 2 mm (b, d)." figureDoi="10.3897/zookeys.881.36744.figure15" httpUri="https://binary.pensoft.net/fig/347903" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure15">
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Fig. 15
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). G1 highly stout, distinctly sinuous; terminal article (TA) short, about one quarter length of subterminal segment (SS) (TA/SS 0.22-0.29), directed outwards at 45° angle to longitudinal axis of G1; SS, inverted funnel-shaped, proximally distinctly broad, abruptly narrow, slim, distal two-thirds tube-like; G1SS stout, tapering slightly from wide basal margin to relatively wide distal margin (0.6
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<normalizedToken originalValue="×">x</normalizedToken>
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SS basal margin), dorsal face with broad dorsal membrane (maximum width 0.1
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<normalizedToken originalValue="×">x</normalizedToken>
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SS length) at TA/SS junction (
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Four species of Louisea endemic to southwestern Cameroon, right G 1 dorsal view (a-c), left G 1 dorsal view (d). a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (' Mvogo Ndongo et al. 2018: fig. 5 a', www. mapress. com / j / zt) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 2 mm (a, c, d), 1 mm (b)." figureDoi="10.3897/zookeys.881.36744.figure11" httpUri="https://binary.pensoft.net/fig/347899" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure11">
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Figs 11
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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,
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<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Four species of Louisea endemic to southwestern Cameroon, right G 1 ventral view (a-c), left G 1 ventral view (d). a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (' Mvogo Ndongo et al. 2018: fig. 5 b') c adult male, holotype (CW 18.1 mm) of L. yabassi from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 2 mm (a, c, d), 1 mm (b)." figureDoi="10.3897/zookeys.881.36744.figure12" httpUri="https://binary.pensoft.net/fig/347900" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure12">
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12
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). G2TA long (TA/SS 0.40-0.44), flagellum-like, almost as long as G2SS (
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<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Four species of Louisea endemic to southwestern Cameroon, G 2 a second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 2 mm (a-d)." figureDoi="10.3897/zookeys.881.36744.figure13" httpUri="https://binary.pensoft.net/fig/347901" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure13">
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Fig. 13
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<normalizedToken originalValue="a–d">a-d</normalizedToken>
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</figureCitation>
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). Small species (CW 14-22 mm in adults).
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</paragraph>
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<caption doi="10.3897/zookeys.881.36744.figure2" httpUri="https://binary.pensoft.net/fig/347890" pageId="0" pageNumber="135" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="135">
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<emphasis bold="true" pageId="0" pageNumber="135">Figure 2.</emphasis>
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Four species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
endemic to southwestern Cameroon, whole animal, dorsal view.
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
Largest adult male (CW 17.5 mm) of
|
||
<taxonomicName lsidName="L. edeaensis" pageId="0" pageNumber="135" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. edeaensis</emphasis>
|
||
</taxonomicName>
|
||
from Lake Ossa wetland complex (ZMB Crust. 26930) (missing right cheliped)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
largest adult male (CW 16.2 mm) of
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<normalizedToken originalValue="Man’s">Man's</normalizedToken>
|
||
Crater Lake Manengouba (ZMB Crust. 30319) (missing left p5) ('
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4394.3.6" author="Mvogo Ndongo, PA" journalOrPublisher="Zootaxa" pageId="0" pageNumber="135" pagination="407 - 416" refId="B29" refString="Mvogo Ndongo, PA, von Rintelen, T, Albrecht, C, Tamesse, JL, Cumberlidge, N, 2018. Lost species in Cameroon: rediscovery of the endangered freshwater crab, Louiseabalssi (Bott, 1959) (Brachyura: Potamonautidae), with notes on its ecology and conservation. Zootaxa 4394: 407 - 416" title="Lost species in Cameroon: rediscovery of the endangered freshwater crab, Louiseabalssi (Bott, 1959) (Brachyura: Potamonautidae), with notes on its ecology and conservation." url="https://doi.org/10.11646/zootaxa.4394.3.6" volume="4394" year="2018">Mvogo Ndongo et al. 2018</bibRefCitation>
|
||
: fig. 1', www.mapress.com/j/zt)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
largest adult male, holotype (CW 18.1 mm) of
|
||
<taxonomicName lsidName="L. yabassi" pageId="0" pageNumber="135" rank="species" species="yabassi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. yabassi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Yabassi (ZMB Crust. 21575) (missing left p2-p5, and right cheliped and p2, p3)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
largest adult male, holotype (CW 20.0 mm) of
|
||
<taxonomicName lsidName="L. nkongsamba" pageId="0" pageNumber="135" rank="species" species="nkongsamba">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. nkongsamba</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 8 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
), 9 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
), 8.30 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
), 17 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/zookeys.881.36744.figure3" httpUri="https://binary.pensoft.net/fig/347891" pageId="0" pageNumber="135" start="Figure 3" startId="F3">
|
||
<paragraph pageId="0" pageNumber="135">
|
||
<emphasis bold="true" pageId="0" pageNumber="135">Figure 3.</emphasis>
|
||
Four species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
endemic to southwestern Cameroon, whole animal, dorsal view.
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
Second largest adult male (CW 16.1 mm) of
|
||
<taxonomicName lsidName="L. edeaensis" pageId="0" pageNumber="135" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. edeaensis</emphasis>
|
||
</taxonomicName>
|
||
from Lake Ossa wetland complex (ZMB Crust. 30335) (missing left p4)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
second largest adult male (CW 14.8 mm) of
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<normalizedToken originalValue="Man’s">Man's</normalizedToken>
|
||
Crater Lake Manengouba (ZMB Crust. 30319) (missing left p4 and right p2)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
subadult male, paratype (CW 13.8 mm) of
|
||
<taxonomicName lsidName="L. yabassi" pageId="0" pageNumber="135" rank="species" species="yabassi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. yabassi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Yabassi (ZMB Crust. 21575) (missing left p2-p4, and right cheliped and p2-p5)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
second largest adult male (CW 18.38 mm) of
|
||
<taxonomicName lsidName="L. nkongsamba" pageId="0" pageNumber="135" rank="species" species="nkongsamba">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. nkongsamba</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 12.42 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
), 10 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
), 8.42 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
), 11.63 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/zookeys.881.36744.figure4" httpUri="https://binary.pensoft.net/fig/347892" pageId="0" pageNumber="135" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="135">
|
||
<emphasis bold="true" pageId="0" pageNumber="135">Figure 4.</emphasis>
|
||
Four species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
endemic to southwestern Cameroon, carapace, dorsal view.
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
Largest adult male, holotype (CW 20.0 mm) of
|
||
<taxonomicName lsidName="L. nkongsamba" pageId="0" pageNumber="135" rank="species" species="nkongsamba">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. nkongsamba</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Mt. Nlonako (ZMB Crust. 31618)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
second largest adult male (CW 14.8 mm) of
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<normalizedToken originalValue="Man’s">Man's</normalizedToken>
|
||
Crater Lake Manengouba (ZMB Crust. 30319)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
second largest adult male (CW 16.1 mm) of
|
||
<taxonomicName lsidName="L. edeaensis" pageId="0" pageNumber="135" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. edeaensis</emphasis>
|
||
</taxonomicName>
|
||
from Lake Ossa wetland complex (ZMB Crust. 30335)
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
adult male, holotype (CW 18.1 mm) of
|
||
<taxonomicName lsidName="L. yabassi" pageId="0" pageNumber="135" rank="species" species="yabassi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. yabassi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. from Yabassi (ZMB Crust. 21575). Scale bars: 9.1 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">a</emphasis>
|
||
), 7.25 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">b</emphasis>
|
||
), 7.90 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">c</emphasis>
|
||
), 8.62 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="135">d</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="135" type="distribution">
|
||
<paragraph pageId="0" pageNumber="135">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="135">
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
is endemic to southern Cameroon (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="0" pageNumber="135" pagination="122 - 131" refId="B8" refString="Cumberlidge, N, 1994. Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon. Proceedings of the Biological Society of Washington 107: 122 - 131" title="Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon." volume="107" year="1994">Cumberlidge 1994</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
|
||
) (
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Collection localities of the four species of Louisea in Cameroon." figureDoi="10.3897/zookeys.881.36744.figure1" httpUri="https://binary.pensoft.net/fig/347889" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure1">Fig. 1</figureCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea edeaensis" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea edeaensis</emphasis>
|
||
</taxonomicName>
|
||
is known from Yaounde, Edea, and the Lake Ossa faunal reserve, while
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
is known from the Bakossi region at Barombi Mbo near Kumba and from Manengouba Ecological Reserve (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="0" pageNumber="135" pagination="122 - 131" refId="B8" refString="Cumberlidge, N, 1994. Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon. Proceedings of the Biological Society of Washington 107: 122 - 131" title="Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon." volume="107" year="1994">Cumberlidge 1994</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
|
||
,
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4231.2.9" author="Mvogo Ndongo, PA" journalOrPublisher="Zootaxa" pageId="0" pageNumber="135" pagination="273 - 280" refId="B26" refString="Mvogo Ndongo, PA, von Rintelen, T, Schubart, CD, Albrecht, C, Tamesse, JL, Cumberlidge, N, 2017a. New data on the taxonomy, ecology, and conservation of the rediscovered Louiseaedeaensis (Bott, 1969) (Brachyura: Potamoidea: Potamonautidae), an endangered freshwater crab from Cameroon. Zootaxa 4231: 273 - 280" title="New data on the taxonomy, ecology, and conservation of the rediscovered Louiseaedeaensis (Bott, 1969) (Brachyura: Potamoidea: Potamonautidae), an endangered freshwater crab from Cameroon." url="https://doi.org/10.11646/zootaxa.4231.2.9" volume="4231" year="2017 a">Mvogo Ndongo et al. 2017a</bibRefCitation>
|
||
,
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4394.3.6" author="Mvogo Ndongo, PA" journalOrPublisher="Zootaxa" pageId="0" pageNumber="135" pagination="407 - 416" refId="B29" refString="Mvogo Ndongo, PA, von Rintelen, T, Albrecht, C, Tamesse, JL, Cumberlidge, N, 2018. Lost species in Cameroon: rediscovery of the endangered freshwater crab, Louiseabalssi (Bott, 1959) (Brachyura: Potamonautidae), with notes on its ecology and conservation. Zootaxa 4394: 407 - 416" title="Lost species in Cameroon: rediscovery of the endangered freshwater crab, Louiseabalssi (Bott, 1959) (Brachyura: Potamonautidae), with notes on its ecology and conservation." url="https://doi.org/10.11646/zootaxa.4394.3.6" volume="4394" year="2018">2018</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea nkongsamba" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="species" species="nkongsamba">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea nkongsamba</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is known from Mt. Nlonako Ecological Reserve at Nkongsamba, while
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea yabassi" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="species" species="yabassi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea yabassi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is from Yabassi.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="135" type="remarks">
|
||
<paragraph pageId="0" pageNumber="135">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="135">
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Proceedings of the Biological Society of Washington" pageId="0" pageNumber="135" pagination="122 - 131" refId="B8" refString="Cumberlidge, N, 1994. Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon. Proceedings of the Biological Society of Washington 107: 122 - 131" title="Louisea, a new genus of freshwater crab (Brachyura: Potamoidea: Potamonautidae) for Globonautesmacropusedeaensis Bott, 1969 from Cameroon." volume="107" year="1994">Cumberlidge (1994</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
|
||
) provided the diagnostic characters of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
based mainly on the male holotype of
|
||
<taxonomicName lsidName="L. edeaensis" pageId="0" pageNumber="135" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. edeaensis</emphasis>
|
||
</taxonomicName>
|
||
, because
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
was only known then from a juvenile male. The revision of the diagnostic characters for this genus is based on our examinations of adult males of all four species included here (
|
||
<taxonomicName lsidName="L. edeaensis" pageId="0" pageNumber="135" rank="species" species="edeaensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. edeaensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName lsidName="L. balssi" pageId="0" pageNumber="135" rank="species" species="balssi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. balssi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName lsidName="L. nkongsamba" pageId="0" pageNumber="135" rank="species" species="nkongsamba">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. nkongsamba</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., and
|
||
<taxonomicName lsidName="L. yabassi" pageId="0" pageNumber="135" rank="species" species="yabassi">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. yabassi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.). The amended character descriptions are also used to compare
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
with other potamonautid genera.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="135">
|
||
The bilobed terminal segment of the mandibular palp of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
is unusual, and it sets this genus apart from most genera in the
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="135" rank="subfamily" subfamily="Potamonautinae">Potamonautinae</taxonomicName>
|
||
that typically possess a simple mandibular palp (i.e., with no additional anterior lobe) (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
; Cumberlidge et al. 1999; Cumberlidge and Reed 2003). This is true for
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Erimetopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Erimetopus" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Erimetopus</emphasis>
|
||
</taxonomicName>
|
||
Rathbun, 1894 and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Platythelphusa" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Platythelphusa</emphasis>
|
||
</taxonomicName>
|
||
A. Milne-Edwards, 1887, and all but one species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Potamonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Potamonautes</emphasis>
|
||
</taxonomicName>
|
||
MacLeay, 1838 [
|
||
<taxonomicName lsidName="P. brincki" pageId="0" pageNumber="135" rank="species" species="brincki">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">P. brincki</emphasis>
|
||
</taxonomicName>
|
||
(Bott, 1960) being the exception], most species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Sudanonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sudanonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Sudanonautes</emphasis>
|
||
</taxonomicName>
|
||
Bott, 1955 [except for
|
||
<taxonomicName lsidName="S. floweri" pageId="0" pageNumber="135" rank="species" species="floweri">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">S. floweri</emphasis>
|
||
</taxonomicName>
|
||
(de Man, 1901) and
|
||
<taxonomicName lsidName="S. orthostylis" pageId="0" pageNumber="135" rank="species" species="orthostylis">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">S. orthostylis</emphasis>
|
||
</taxonomicName>
|
||
Bott, 1955], and most species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Liberonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Liberonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Liberonautes</emphasis>
|
||
</taxonomicName>
|
||
Bott, 1955 (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
). It should be noted that in those potamonautine species without a simple mandibular palp, the anterior lobe is little more than a hard ledge at the junction between the segments, rather than a true lobe shape (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
). The terminal segment of the mandibular palp of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
is distinctly bilobed (with an anterior lobe 0.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
the terminal segment length) and is superficially similar to the mandibular palps of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Afrithelphusa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Afrithelphusa" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Afrithelphusa</emphasis>
|
||
</taxonomicName>
|
||
Bott, 1969 and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Globonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Globonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Globonautes</emphasis>
|
||
</taxonomicName>
|
||
(the two West African genera assigned to the
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="135" rank="subfamily" subfamily="Deckeniinae">Deckeniinae</taxonomicName>
|
||
Ortmann, 1897, but the mandibular palp of the each of the latter two genera has a larger anterior lobe that is subequal to the posterior lobe (
|
||
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Four species of Louisea endemic to southwestern Cameroon, ventral view of right mandible. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 1 mm (a, c), 2 mm (b, d)." figureDoi="10.3897/zookeys.881.36744.figure15" httpUri="https://binary.pensoft.net/fig/347903" pageId="0" pageNumber="135" tableDoi="10.3897/zookeys.881.36744.figure15">
|
||
Fig. 15
|
||
<normalizedToken originalValue="a–d">a-d</normalizedToken>
|
||
</figureCitation>
|
||
;
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
: fig. 48
|
||
<normalizedToken originalValue="A–C">A-C</normalizedToken>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="135">
|
||
The lack of a flagellum on the exopod of the third maxilliped in
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
is rarely seen in other species of the
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="135" rank="subfamily" subfamily="Potamonautinae">Potamonautinae</taxonomicName>
|
||
, and most of the members of this subfamily typically possess a long flagellum on the third maxilliped exopod (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
). The exceptions to this are the species of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Buea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Buea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Buea</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Potamonemus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Potamonemus" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Potamonemus</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Liberonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Liberonautes grandbassa" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="species" species="grandbassa">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Liberonautes grandbassa</emphasis>
|
||
</taxonomicName>
|
||
Cumberlidge, 1999 and
|
||
<taxonomicName lsidName="L. lugbe" pageId="0" pageNumber="135" rank="species" species="lugbe">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">L. lugbe</emphasis>
|
||
</taxonomicName>
|
||
Cumberlidge, 1999 (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="Bulletin of the British Museum (Natural History)" pageId="0" pageNumber="135" pagination="149 - 156" refId="B13" refString="Cumberlidge, N, Clark, PF, 1992. A new genus and species of fresh-water crab from Cameroon, West Africa (Crustacea, Brachyura, Potamoidea, Potamonautidae). Bulletin of the British Museum (Natural History) 58: 149 - 156" title="A new genus and species of fresh-water crab from Cameroon, West Africa (Crustacea, Brachyura, Potamoidea, Potamonautidae)." volume="58" year="1992">Cumberlidge and Clark 1992</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.2307/1548798" author="Cumberlidge, N" journalOrPublisher="Journal of Crustacean Biology" pageId="0" pageNumber="135" pagination="571 - 584" refId="B7" refString="Cumberlidge, N, 1993. Two new species of Potamonemus Cumberlidge and Clark, 1992 (Brachyura, Potamoidea, Potamonautidae) from the rain forests of West Africa. Journal of Crustacean Biology 13: 571 - 584" title="Two new species of Potamonemus Cumberlidge and Clark, 1992 (Brachyura, Potamoidea, Potamonautidae) from the rain forests of West Africa." url="https://doi.org/10.2307/1548798" volume="13" year="1993">Cumberlidge 1993</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">1999</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.1080/00222933.2019.1583390" author="Cumberlidge, N" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="135" pagination="659 - 676" refId="B17" refString="Cumberlidge, N, Mvogo Ndongo, PA, Clark, PF, Daniels, SR, 2019. A new genus for the freshwater crab Potamonemusasylos Cumberlidge, 1993, (Brachyura: Potamoidea: Potamonautidae) from Cameroon, Central Africa, with a key to the genera of the Potamonautinae. Journal of Natural History 53: 659 - 676" title="A new genus for the freshwater crab Potamonemusasylos Cumberlidge, 1993, (Brachyura: Potamoidea: Potamonautidae) from Cameroon, Central Africa, with a key to the genera of the Potamonautinae." url="https://doi.org/10.1080/00222933.2019.1583390" volume="53" year="2019">Cumberlidge et al. 2019</bibRefCitation>
|
||
). The lack of a flagellum on the exopod of the third maxilliped of
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
is also shared with species of the
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="135" rank="subfamily" subfamily="Deckeniinae">Deckeniinae</taxonomicName>
|
||
(
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Afrithelphusa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Afrithelphusa" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Afrithelphusa</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Globonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Globonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Globonautes</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Madagapotamon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Madagapotamon humberti" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="species" species="humberti">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Madagapotamon humberti</emphasis>
|
||
</taxonomicName>
|
||
Bott, 1965) (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.1111/j.1095-8312.2007.00929.x" author="Cumberlidge, N" journalOrPublisher="Biological Journal of the Linnean Society" pageId="0" pageNumber="135" pagination="399 - 413" refId="B15" refString="Cumberlidge, N, Von Sternberg, R, Daniels, SR, 2008. A revision of the higher taxonomy of the Afrotropical freshwater crabs (Decapoda: Brachyura) with a discussion of their biogeography. Biological Journal of the Linnean Society 93: 399 - 413" title="A revision of the higher taxonomy of the Afrotropical freshwater crabs (Decapoda: Brachyura) with a discussion of their biogeography." url="https://doi.org/10.1111/j.1095-8312.2007.00929.x" volume="93" year="2008">Cumberlidge et al. 2008</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Louisea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Louisea" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Louisea</emphasis>
|
||
</taxonomicName>
|
||
can also be distinguished from the West African
|
||
<taxonomicName lsidName="" pageId="0" pageNumber="135" rank="subfamily" subfamily="Deckeniinae">Deckeniinae</taxonomicName>
|
||
genera
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Afrithelphusa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Afrithelphusa" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Afrithelphusa</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName class="Malacostraca" family="Potamonautidae" genus="Globonautes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Globonautes" order="Decapoda" pageId="0" pageNumber="135" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="135">Globonautes</emphasis>
|
||
</taxonomicName>
|
||
by characters of the gonopods (G1TA shape and G2TA length), the presence or absence of an intermediate tooth between the exorbital and epibranchial teeth (
|
||
<bibRefCitation author="Cumberlidge, N" journalOrPublisher="IRD, Paris" pageId="0" pageNumber="135" refId="B10" refString="Cumberlidge, N, 1999. The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35. IRD, Paris" title="The Freshwater Crabs of West Africa, Family Potamonautidae. Faune et Flore tropicales 35." year="1999">Cumberlidge 1999</bibRefCitation>
|
||
), and by molecular evidence (
|
||
<bibRefCitation DOI="https://doi.org/10.1093/sysbio/syv011" author="Daniels, SR" journalOrPublisher="Systematic Biology" pageId="0" pageNumber="135" pagination="549 - 567" refId="B19" refString="Daniels, SR, Phiri, EE, Klaus, S, Albrecht, C, Cumberlidge, N, 2015. Multi-locus phylogeny of the Afrotropical freshwater crab fauna reveals historical drainage connectivity and transoceanic dispersal since the Eocene. Systematic Biology 64: 549 - 567" title="Multi-locus phylogeny of the Afrotropical freshwater crab fauna reveals historical drainage connectivity and transoceanic dispersal since the Eocene." url="https://doi.org/10.1093/sysbio/syv011" volume="64" year="2015">Daniels et al. 2015</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4286.3.12" author="Mvogo Ndongo, PA" journalOrPublisher="Zootaxa" pageId="0" pageNumber="135" pagination="439 - 444" refId="B28" refString="Mvogo Ndongo, PA, Cumberlidge, N, Poettinger, TS, von Rintelen, T, Tamesse, JL, Schubart, CD, 2017c. Molecular evidence for the assignment of the Cameroonian freshwater crab genus Louisea Cumberlidge, 1994, to the Afrotropical subfamily Potamonautinae Bott, 1970 (Crustacea: Potamoidea: Potamonautidae). Zootaxa 4286: 439 - 444" title="Molecular evidence for the assignment of the Cameroonian freshwater crab genus Louisea Cumberlidge, 1994, to the Afrotropical subfamily Potamonautinae Bott, 1970 (Crustacea: Potamoidea: Potamonautidae)." url="https://doi.org/10.11646/zootaxa.4286.3.12" volume="4286" year="2017 c">Mvogo Ndongo et al. 2017c</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |