215 lines
24 KiB
XML
215 lines
24 KiB
XML
<document id="2993D525879D5AE6846590F348089842" ID-DOI="10.11646/zootaxa.1262.1.1" ID-ISSN="11755334" ID-Zenodo-Dep="5065350" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625284806426" checkinUser="felipe" docAuthor="Reed, Sadie K. & Cumberlidge, Neil" docDate="2006" docId="039E87EBFF89035A7A69EDB43773FCAB" docLanguage="en" docName="zt01262p080.pdf" docOrigin="Zootaxa 1262 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.1262.1.1" docStyle="DocumentStyle:8B0D3ECF822058C8413568C103B59429.6:Zootaxa.2001-2006.monograph" docStyleId="8B0D3ECF822058C8413568C103B59429" docStyleName="Zootaxa.2001-2006.monograph" docStyleVersion="6" docTitle="Platythelphusa armata A. Milne-Edwards 1887" docType="treatment" docVersion="3" lastPageNumber="139" masterDocId="FFA7FF93FFA703757B61EF603327FFCD" masterDocTitle="Brachyura: Potamoidea: Potamonautidae, Platythelphusidae, Deckeniidae ()" masterLastPageNumber="139" masterPageNumber="1" pageNumber="1" updateTime="1698986792498" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="2E0127891E962F98FDB0C64140E3482E">Brachyura: Potamoidea: Potamonautidae, Platythelphusidae, Deckeniidae ()</mods:title>
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<mods:namePart id="F56C0628C29DF87855382DB1694B5CF0">Reed, Sadie K.</mods:namePart>
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<mods:namePart id="DA9EB0866898F3D4EB1809BB9791E1D1">Cumberlidge, Neil</mods:namePart>
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<mods:title id="0EAE72B9C104D8943A64E575B415A268">Zootaxa</mods:title>
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<mods:part id="38C10E0C7E2C0A84A57E7F50EB1BD094">
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<mods:date id="3218BACD699676FCBE45D485E39D2865">2006</mods:date>
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<mods:number id="DD9008EA9D52AC4F45E3DD7CAB4FE758">2006-07-17</mods:number>
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<mods:number id="B6C007F46E8E44F549C290463528C20E">1262</mods:number>
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<mods:url id="5F15231433510AED9515BBCF43B12159">https://biotaxa.org/Zootaxa/article/view/zootaxa.1262.1.1</mods:url>
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<mods:classification id="44586515973DD9CF38B04DDECE74181B">journal article</mods:classification>
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<mods:identifier id="4CDDB0E1283EFB8629CA0EF2184D2BF9" type="DOI">10.11646/zootaxa.1262.1.1</mods:identifier>
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<mods:identifier id="DDAD2A07C992F23477C860C822E42889" type="ISSN">11755334</mods:identifier>
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<treatment id="039E87EBFF89035A7A69EDB43773FCAB" LSID="urn:lsid:plazi:treatment:039E87EBFF89035A7A69EDB43773FCAB" httpUri="http://treatment.plazi.org/id/039E87EBFF89035A7A69EDB43773FCAB" lastPageId="47" pageId="46">
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<subSubSection id="C32D6576FF89035B7A69EDB437A0FD23" box="[264,1159,724,750]" pageId="46" type="nomenclature">
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<paragraph id="8B8836FDFF89035B7A69EDB437A0FD23" blockId="46.[264,1159,724,750]" box="[264,1159,724,750]" pageId="46">
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<emphasis id="B943EAEFFF89035B7A69EDB4305AFD23" bold="true" box="[264,893,724,750]" pageId="46">
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<emphasis id="B943EAEFFF89035B7A69EDB4320AFD23" bold="true" box="[264,301,724,750]" italics="true" pageId="46">17.</emphasis>
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<taxonomicName id="4C374D7EFF89035B7A55EDB4305AFD23" ID-CoL="4JZJQ" authority="A. Milne-Edwards, 1887" authorityName="A. Milne-Edwards" authorityYear="1887" box="[308,893,724,750]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="46" phylum="Arthropoda" rank="species" species="armata">
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<emphasis id="B943EAEFFF89035B7A55EDB43161FD23" bold="true" box="[308,582,724,750]" italics="true" pageId="46">Platythelphusa armata</emphasis>
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A.
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<bibRefCitation id="EFA64B0CFF89035B7910EDB4305AFD23" author="Milne-Edwards, A." box="[625,893,724,750]" pageId="46" pagination="121 - 149" refId="ref42135" refString="Milne-Edwards, A. (1887) Observations sur les crabes des eaux douces de l'Afrique. Annales des Sciences naturelles, Zoologie, Paris, (7) 4, 121 - 149." type="journal article" year="1887">MilneEdwards, 1887</bibRefCitation>
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</taxonomicName>
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</emphasis>
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(Fig. 189, plate XVII)
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C32D6576FF89035B7A69EC7F31DCFC78" pageId="46" type="reference_group">
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||
<paragraph id="8B8836FDFF89035B7A69EC7F305EFC98" blockId="46.[264,1322,798,950]" pageId="46">
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<taxonomicName id="4C374D7EFF89035B7A69EC7F3033FCFB" authority="armata" box="[264,788,799,822]" class="Malacostraca" family="Potamonautidae" genus="Potamonautes" kingdom="Animalia" order="Decapoda" pageId="46" phylum="Arthropoda" rank="subSpecies" species="armata" subGenus="Platythelphusa" subSpecies="armata">
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<emphasis id="B943EAEFFF89035B7A69EC7F3033FCFB" box="[264,788,799,822]" italics="true" pageId="46">Potamonautes (Platythelphusa) armata armata</emphasis>
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</taxonomicName>
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—
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<bibRefCitation id="EFA64B0CFF89035B7851EC7E373DFCF8" author="Bott, R." box="[816,1050,798,821]" pageId="46" pagination="209 - 352" refId="ref39337" refString="Bott, R. (1955) Die Susswasserkrabben von Afrika (Crust., Decap.) und ihre Stammesgeschichte. Annales du Musee du Congo belge, (Tervuren, Belgique) C-Zoologie, (3,3), 3 (1), 209 - 352." type="journal article" year="1955">Bott, 1955: 226–227</bibRefCitation>
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, pl. 2, fig. 1a–d, 9a–b;
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<bibRefCitation id="EFA64B0CFF89035B7A59EC5E3110FC98" author="Coulter, G. W." box="[312,567,830,853]" pageId="46" refId="ref40252" refString="Coulter, G. W. (1991) Lake Tanganyika and its Life. Oxford University Press, New York, 354 pp." type="book" year="1991">Coulter, 1991: 253–255</bibRefCitation>
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, tables 9.XX, 9.XXI, fig. 2, 3.
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</paragraph>
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<paragraph id="8B8836FDFF89035B7A69EC3F31DCFC78" blockId="46.[264,1322,798,950]" pageId="46">
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||
<taxonomicName id="4C374D7EFF89035B7A69EC3F32DCFCBB" ID-CoL="4JZJQ" authorityName="A. Milne-Edwards" authorityYear="1887" box="[264,507,863,886]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="46" phylum="Arthropoda" rank="species" species="armata">
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<emphasis id="B943EAEFFF89035B7A69EC3F32DCFCBB" box="[264,507,863,886]" italics="true" pageId="46">Platythelphusa armata</emphasis>
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</taxonomicName>
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||
—
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<bibRefCitation id="EFA64B0CFF89035B7976EC3E303AFCB8" author="Cumberlidge, N." box="[535,797,862,885]" pageId="46" pagination="571 - 589" refId="ref40277" refString="Cumberlidge, N. (1997) The African and Madagascan freshwater crabs in the Museum of Natural History, Vienna (Crustacea: Decapoda: Brachyura: Potamoidea). Annalen des Naturhistorischen Museums in Wien, 99 B, 571 - 589." type="journal article" year="1997">Cumberlidge, 1997: 584</bibRefCitation>
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;
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<bibRefCitation id="EFA64B0CFF89035B7849EC3E30B1FCB8" author="Cumberlidge, N." box="[808,918,862,885]" pageId="46" pagination="193 - 214" refId="ref40322" refString="Cumberlidge, N. (1998) The African and Madagascan freshwater crabs in the Zoologische Staatssammlung, Munich (Crustacea: Decapoda: Brachyura: Potamoidea). Spixiana, 21 (3), 193 - 214." type="journal article" year="1998">1998: 208</bibRefCitation>
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; 1999: figs. 8A,C, 9A, 10A, 11A,AA, 12 A,F, 13, A,AA; Cumberlidge
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<emphasis id="B943EAEFFF89035B79F2EC1F31E5FC5B" box="[659,706,895,918]" italics="true" pageId="46">et al</emphasis>
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., 1999: 1493–1498, figs. 1, 7a–b, 8a,g–h, 9a, 10a–d;
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<bibRefCitation id="EFA64B0CFF89035B7F94EC1E3151FC78" author="Marijnissen, S. & Schram, F. & Cumberlidge, N. & Michel, A. E." pageId="46" pagination="513 - 532" refId="ref41787" refString="Marijnissen, S., Schram, F., Cumberlidge, N. & Michel, A. E. (2004) Two new species of Platythelphusa A. Milne-Edwards, 1887 (Decapoda, Potamoidea, Platythelphusidae) and comments on the taxonomic position of P. denticulata Capart, 1952 from Lake Tanganyika, East Africa. Crustaceana 77 (5), 513 - 532." type="journal article" year="2004">
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Marijnissen
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<emphasis id="B943EAEFFF89035B7AF1ECFF3298FC7B" box="[400,447,927,950]" italics="true" pageId="46">et al</emphasis>
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., 2004: 528–530
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</bibRefCitation>
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,
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<tableCitation id="C6B50346FF89035B79E0ECFE31FDFC78" box="[641,730,926,949]" captionStart="TABLE 1" captionStartId="6.[264,352,283,307]" captionText="TABLE 1. Present identifications of freshwater crabs from Tanzania compared with those of Bott (1955). Identification in Bott (1955) Present Identification POTAMONIDAE POTAMONAUTIDAE Potamonautes (Rotundopotamonautes) emini emini Potamonautes emini Potamonautes (Gerdalopotamonautes) gerdalensis Potamonautes gerdalensis Potamonautes (Rotundopotamonautes) infravallatus Potamonautes infravallatus Potamonautes (Lirrangopotamonautes) johnstoni johnstoni Potamonautes johnstoni Potamonautes (Lirrangopotamonautes) lirrangensis Potamonautes lirrangensis Potamonautes (Tripotamonautes) loveridgei Potamonautes loveridgei Potamonautes (Obesopotamonautes) obesus obesus Potamonautes obesus Potamonautes (Platypotamonautes) pilosus Potamonautes pilosus Potamonautes (Lirrangopotamonautes) johnstoni platycentron Potamonautes platycentron Potamonautes (Platypotamonautes) platynotus Potamonautes platynotus Not included in Bott (1955) Potamonautes raybouldi Potamonautes (Arcopotamonautes) suprasulcatus suprasulcatus Potamonautes suprasulcatus A junior subjective synonym of P. johnstoni Potamonautes unisulcatus Not included in Bott (1955) Potamonautes xiphoidus POTAMONIDAE PLATYTHELPHUSIDAE Potamonautes (Platythelphusa) armata armata Platythelphusa armata Potamonautes (Platythelphusa) armata armata Platythelphusa conculcata Not included in Bott (1955) Platythelphusa denticulata Not included in Bott (1955) Platythelphusa echinata Not included in Bott (1955) Platythelphusa immaculata Potamonautes (Platythelphusa) armata armata Platythelphusa maculata Not included in Bott (1955) Platythelphusa polita Not included in Bott (1955) Platythelphusa praelongata Not included in Bott (1955) Platythelphusa tuberculata DECKENIIDAE DECKENIIDAE Deckenia imitatrix Deckenia imitatrix Deckenia mitis Deckenia mitis" pageId="46">Tables 1</tableCitation>
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,
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<tableCitation id="C6B50346FF89035B7986ECFE31D0FC78" box="[743,759,926,949]" captionStart="TABLE 2" captionStartId="8.[264,352,1043,1067]" captionText="TABLE 2. The mean carapace proportions for specimens of all ages (juvenile, subadult and adult) of the species of Potamonautes included in this study. For abbreviations see Materials and methods." pageId="46">2</tableCitation>
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.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C32D6576FF89035B7A69EC863144FBB4" pageId="46" type="materials_examined">
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||
<paragraph id="8B8836FDFF89035B7A69EC86325AFBE4" blockId="46.[264,1324,998,1905]" pageId="46">
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||
<materialsCitation id="3B5F3CA0FF89035B7A69EC86325FFBE4" collectionCode="MNHN" collectorName="M. Joubert" location="Lake Tanganyika" pageId="46" specimenCount="2" typeStatus="holotype">
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<emphasis id="B943EAEFFF89035B7A69EC8632EDFBCD" bold="true" box="[264,458,998,1024]" pageId="46">
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<typeStatus id="548C885FFF89035B7A69EC863260FBCD" box="[264,327,998,1024]" pageId="46">Type</typeStatus>
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material:
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</emphasis>
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<location id="8EE86026FF89035B7AB6EC87318BFBCC" LSID="urn:lsid:plazi:treatment:039E87EBFF89035A7A69EDB43773FCAB:8EE86026FF89035B7AB6EC87318BFBCC" box="[471,684,999,1025]" name="Lake Tanganyika" pageId="46">Lake Tanganyika</location>
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, female
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<typeStatus id="548C885FFF89035B787FEC873077FBCC" box="[798,848,999,1025]" pageId="46">type</typeStatus>
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(cw 64.5, cl
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<quantity id="4CCF9B18FF89035B7F66EC87375EFBCC" box="[1031,1145,999,1025]" metricMagnitude="-2" metricUnit="m" metricValue="5.27" pageId="46" unit="mm" value="52.7">52.7 mm</quantity>
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) (
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<collectorName id="26C2532BFF89035B7FF8EC873605FBCC" box="[1177,1314,999,1025]" pageId="46">M. Joubert</collectorName>
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) (
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<collectionCode id="ED26AE38FF89035B7A71EB6F3257FBE4" box="[272,368,1039,1065]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="46">MNHN</collectionCode>
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||
)
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</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="8B8836FDFF89035B7A59EB563144FBB4" blockId="46.[264,1324,998,1905]" pageId="46">
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<emphasis id="B943EAEFFF89035B7A59EB5631E3FB9D" bold="true" box="[312,708,1078,1104]" pageId="46">Additional material examined:</emphasis>
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<materialsCitation id="3B5F3CA0FF89035B79B3EB563178FBB4" collectionCode="USNM" collectorName="W. A. Cunnington" country="Tanzania" location="Lake Tanganyika" pageId="46" specimenCode="USNM 39470" specimenCount="2" specimenCount-male="2">
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||
<emphasis id="B943EAEFFF89035B79B3EB563052FB9D" bold="true" box="[722,885,1078,1104]" pageId="46">
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||
<collectingCountry id="F320766DFF89035B79B3EB563056FB9D" box="[722,881,1078,1104]" name="Tanzania" pageId="46">TANZANIA</collectingCountry>
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||
:
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||
</emphasis>
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||
<location id="8EE86026FF89035B78E2EB573771FB9C" LSID="urn:lsid:plazi:treatment:039E87EBFF89035A7A69EDB43773FCAB:8EE86026FF89035B78E2EB573771FB9C" box="[899,1110,1079,1105]" country="Tanzania" name="Lake Tanganyika" pageId="46">Lake Tanganyika</location>
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,
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<specimenCount id="9D31FD74FF89035B7F09EB5737EFFB9C" box="[1128,1224,1079,1105]" pageId="46" type="male">2 males</specimenCount>
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||
(
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||
<collectorName id="26C2532BFF89035B7FBEEB5732B3FBB4" pageId="46">W. A. Cunnington</collectorName>
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||
) (
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||
<specimenCode id="DB919E86FF89035B7ACAEB3F3170FBB4" box="[427,599,1119,1145]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="46" type="Museum">USNM 39470</specimenCode>
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||
)
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C32D6576FF89035B7A59EBE6321AF964" pageId="46" type="diagnosis">
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||
<paragraph id="8B8836FDFF89035B7A59EBE6321AF964" blockId="46.[264,1324,998,1905]" pageId="46">
|
||
<emphasis id="B943EAEFFF89035B7A59EBE63290FB6D" bold="true" box="[312,439,1158,1184]" pageId="46">Diagnosis.</emphasis>
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||
Carapace subhexagonal, rounded, medium height (ch/fw 1.07). Frontal margin granulated, with large forward pointing tooth at each external corner. Epibranchial tooth large, pointed. Three teeth (two large and one smaller) on anterolateral margin behind epibranchial tooth. Suborbital margin lined by small pointed teeth, distinct spine at medial end. Margins of inferior surface of merus of cheliped both smooth or only faintly granulated, single large pointed distal tooth at distal end of medial inferior margin; superior margin of merus of p1 with rows of prominent, rough grains, short carinae. Inner margin of carpus of cheliped with two long slender pointed teeth (second as long as first); long, pointed articular tooth on carpus where it contacts propodus; outer margin of carpus with small granules. Merus of p5 longer than fw, distal tooth of superior margin low, blunt. Propodus of p4 long, thin; propodus of p5 short, broad; margins of propodi of p5 widened, smooth. Terminal article of gonopod 1 directed outward at a 45° angle to vertical; coneshaped, tapering to pointed, upwarddirected tip. Adult size range from cw 35 to cw
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<quantity id="4CCF9B18FF89035B7F99E907321EF964" metricMagnitude="-2" metricUnit="m" metricValue="4.75" pageId="46" unit="mm" value="47.5">47.5 mm</quantity>
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||
.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C32D6576FF89035A7A59E9D6315EFE60" lastPageId="47" pageId="46" type="distribution">
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||
<paragraph id="8B8836FDFF89035A7A59E9D6315EFE60" blockId="46.[264,1324,998,1905]" lastBlockId="47.[264,1323,284,870]" lastPageId="47" pageId="46">
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||
<emphasis id="B943EAEFFF89035B7A59E9D632FFF91D" bold="true" box="[312,472,1718,1744]" pageId="46">Distribution.</emphasis>
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||
<taxonomicName id="4C374D7EFF89035B7A82E9D731D5F91D" authorityName="A. Milne-Edwards" authorityYear="1887" box="[483,754,1719,1744]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="46" phylum="Arthropoda" rank="species" species="armata">
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||
<emphasis id="B943EAEFFF89035B7A82E9D731D5F91D" box="[483,754,1719,1744]" italics="true" pageId="46">Platythelphusa armata</emphasis>
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||
</taxonomicName>
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||
is endemic to Lake Tanganyika, and has been recorded from the waters of all four countries bordering the lake (
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<collectingCountry id="F320766DFF89035B7F62E9BF3756F934" box="[1027,1137,1759,1785]" name="Tanzania" pageId="46">Tanzania</collectingCountry>
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,
|
||
<collectingCountry id="F320766DFF89035B7F1CE9BF37C7F934" box="[1149,1248,1759,1785]" name="Burundi" pageId="46">Burundi</collectingCountry>
|
||
,
|
||
<collectingCountry id="F320766DFF89035B7F8AE9BF320CF8EC" name="Zambia" pageId="46">Zambia</collectingCountry>
|
||
and D. R.
|
||
<collectingCountry id="F320766DFF89035B7AD0E8673123F8EC" box="[433,516,1799,1825]" name="Democratic Republic of the Congo" pageId="46">Congo</collectingCountry>
|
||
). This is the largest and most distinctive species in the genus and is mainly found in rocky areas, at depths between
|
||
<quantity id="4CCF9B18FF89035B7831E84F3088F884" box="[848,943,1839,1865]" metricMagnitude="1" metricUnit="m" metricValue="1.75" metricValueMax="3.0" metricValueMin="0.5" pageId="46" unit="m" value="17.5" valueMax="30.0" valueMin="5.0">
|
||
5–
|
||
<specimenCount id="9D31FD74FF89035B780CE84F3088F884" box="[877,943,1839,1865]" pageId="46" type="generic">30 m</specimenCount>
|
||
</quantity>
|
||
. The juveniles are found in the sublittoral shell zone from
|
||
<quantity id="4CCF9B18FF89035B792CE837318EF8BC" box="[589,681,1879,1905]" metricMagnitude="0" metricUnit="m" metricValue="5.5" metricValueMax="10.0" metricValueMin="1.0" pageId="46" unit="m" value="5.5" valueMax="10.0" valueMin="1.0">1–10 m</quantity>
|
||
deep in places where the lake bed is rocky, or in the empty shells of
|
||
<taxonomicName id="4C374D7EFF88035A7AA0EE7C3157FEFB" box="[449,624,284,310]" class="Gastropoda" family="Viviparidae" genus="Neothauma" higherTaxonomySource="CoL" kingdom="Animalia" order="Architaenioglossa" pageId="47" phylum="Mollusca" rank="species" species="undetermined">
|
||
<emphasis id="B943EAEFFF88035A7AA0EE7C316FFEF8" box="[449,584,284,309]" italics="true" pageId="47">Neothauma</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
where they co occur together with the adults of smallbodied species such as
|
||
<emphasis id="B943EAEFFF88035A7A92EE243094FE90" box="[499,947,324,349]" italics="true" pageId="47">
|
||
<taxonomicName id="4C374D7EFF88035A7A92EE2431A6FE90" baseAuthorityName="Cunnington" baseAuthorityYear="1899" box="[499,641,324,349]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="47" phylum="Arthropoda" rank="species" species="maculata">P. maculata</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C374D7EFF88035A79EEEE243035FE90" authorityName="Capart" authorityYear="1952" box="[655,786,324,349]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="47" phylum="Arthropoda" rank="species" species="echinata">P. echinata</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C374D7EFF88035A7831EE243094FE90" authorityName="Capart" authorityYear="1952" box="[848,947,324,349]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="47" phylum="Arthropoda" rank="species" species="polita">P. polita</taxonomicName>
|
||
</emphasis>
|
||
(
|
||
<bibRefCitation id="EFA64B0CFF88035A78A5EE243742FE93" author="Coulter, G. W." box="[964,1125,324,350]" pageId="47" refId="ref40252" refString="Coulter, G. W. (1991) Lake Tanganyika and its Life. Oxford University Press, New York, 354 pp." type="book" year="1991">Coulter 1991</bibRefCitation>
|
||
; Cumberlidge
|
||
<emphasis id="B943EAEFFF88035A7E74EE243238FE48" italics="true" pageId="47">et al</emphasis>
|
||
. 1999). The juveniles of
|
||
<taxonomicName id="4C374D7EFF88035A7926EE0C319EFE48" authorityName="A. Milne-Edwards" authorityYear="1887" box="[583,697,364,389]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="47" phylum="Arthropoda" rank="species" species="armata">
|
||
<emphasis id="B943EAEFFF88035A7926EE0C319EFE48" box="[583,697,364,389]" italics="true" pageId="47">P. armata</emphasis>
|
||
</taxonomicName>
|
||
are often found inside the empty shells of the gastropod
|
||
<emphasis id="B943EAEFFF88035A7A5AEEF4315EFE60" box="[315,633,404,429]" italics="true" pageId="47">
|
||
<taxonomicName id="4C374D7EFF88035A7A5AEEF43152FE60" authorityName="E.A.Smith" authorityYear="1880" box="[315,629,404,429]" class="Gastropoda" family="Viviparidae" genus="Neothauma" higherTaxonomySource="CoL" kingdom="Animalia" order="Architaenioglossa" pageId="47" phylum="Mollusca" rank="species" species="tanganyicense">Neothauma tanganyicense</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32D6576FF88035A7A59EEDB3773FCAB" pageId="47" type="discussion">
|
||
<paragraph id="8B8836FDFF88035A7A59EEDB37A6FD83" blockId="47.[264,1323,284,870]" pageId="47">
|
||
<emphasis id="B943EAEFFF88035A7A59EEDB3296FE18" bold="true" box="[312,433,443,469]" pageId="47">Remarks.</emphasis>
|
||
This species was recently redescribed by Cumberlidge
|
||
<emphasis id="B943EAEFFF88035A7F33EEDC37A0FE18" box="[1106,1159,444,469]" italics="true" pageId="47">et al</emphasis>
|
||
. (1999), who provided details of the identification, distribution and ecology of this species. The angle of the terminal article of gonopod 1 is revised here as being directed outward at a 45° angle to the vertical (rather than at a 90° angle as stated in Cumberlidge
|
||
<emphasis id="B943EAEFFF88035A7895ED543700FD80" box="[1012,1063,564,589]" italics="true" pageId="47">et al</emphasis>
|
||
. 1999).
|
||
</paragraph>
|
||
<paragraph id="8B8836FDFF88035A7A59ED3B3773FCAB" blockId="47.[264,1323,284,870]" pageId="47">
|
||
<emphasis id="B943EAEFFF88035A7A59ED3B300CFDB8" bold="true" box="[312,811,603,629]" pageId="47">Natural history and conservation status.</emphasis>
|
||
The conservation status of
|
||
<taxonomicName id="4C374D7EFF88035A7F0DED3C37F9FDB8" authorityName="A. Milne-Edwards" authorityYear="1887" box="[1132,1246,604,629]" class="Malacostraca" family="Potamonautidae" genus="Platythelphusa" kingdom="Animalia" order="Decapoda" pageId="47" phylum="Arthropoda" rank="species" species="armata">
|
||
<emphasis id="B943EAEFFF88035A7F0DED3C37F9FDB8" box="[1132,1246,604,629]" italics="true" pageId="47">P.armata</emphasis>
|
||
</taxonomicName>
|
||
is categorized as least concern (LC) (
|
||
<tableCitation id="C6B50346FF88035A79E3EDE431FAFD53" box="[642,733,644,670]" captionStart="TABLE 4" captionStartId="16.[264,352,483,507]" captionText="TABLE 4. Checklist of native Tanzanian freshwater crabs and their conservation status. Conservation status abbreviations: LC = Least Concern, NT = Near Threatened, VU = Vulnerable, EN = Endangered, for other abbreviations see IUCN (2004), Red List ver. 3.1 (2001)." pageId="47">Table 4</tableCitation>
|
||
) because it has a range of occurrence and an area of occupancy well in excess of the thresholds for vulnerable (VU) (
|
||
<bibRefCitation id="EFA64B0CFF88035A7F79EDCC378FFD0B" author="IUCN" box="[1048,1192,684,710]" pageId="47" refId="ref41458" refString="IUCN (2004) IUCN Red List of Threatened Species. <www. iucnredlist. org>." type="book" year="2004">IUCN 2004</bibRefCitation>
|
||
). Its population is estimated to be stable based on indirect measures such as the fact that a lot of material has been collected recently from more than one locality (S. Marijnissen, pers. comm.), that this species is the subject of a local commercial fishery with large numbers captured regularly and that it is well represented in museum collections.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |