519 lines
74 KiB
XML
519 lines
74 KiB
XML
<document id="37D094DB809ED7DA691DFD2E10CF8EF7" ID-ISSN="11755334" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626378084588" checkinUser="felipe" docAuthor="Gouws, Gavin" docDate="2008" docId="03C287E95025FFE5FF09567EFA62C9DB" docLanguage="en" docName="zt01690p062.pdf" docOrigin="Zootaxa 1690" docStyle="DocumentStyle:C4791ACFF01C5C140D2C1A203DB3C9B0.4:Zootaxa.2007-2008.monograph" docStyleId="C4791ACFF01C5C140D2C1A203DB3C9B0" docStyleName="Zootaxa.2007-2008.monograph" docStyleVersion="4" docTitle="Mesamphisopus paludosus Gouws 2008, n. sp." docType="treatment" docVersion="3" lastPageNumber="43" masterDocId="FFFBFF915006FFCFFF9E5459FFFACC69" masterDocTitle="New species of Mesamphisopus, an endemic South African freshwater isopod genus (Isopoda: Phreatoicidea: Mesamphisopidae)" masterLastPageNumber="62" masterPageNumber="1" pageNumber="36" updateTime="1699010168584" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:mods id="2BD320D74ACD3496F9E5A02A5D828CAF" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="9FCC406DB9561B86DC39FCE54A525DEE">
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<mods:title id="19C596CB697FC604CBC571EDB0465F75">New species of Mesamphisopus, an endemic South African freshwater isopod genus (Isopoda: Phreatoicidea: Mesamphisopidae)</mods:title>
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</mods:titleInfo>
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<mods:name id="CFB740B2F0B32306C6AA4A99AB99E780" type="personal">
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<mods:role id="841881C783B75E730593598A476EC214">
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<mods:roleTerm id="6F7D76E6339D6684020D1F7A562DA8DB">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="0E6958B75799214388C03BD4254537AF">Gouws, Gavin</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="C18E3FFCC409746C20786E9918441363">text</mods:typeOfResource>
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<mods:titleInfo id="B2777D2A86633EC2796C28B014090B20">
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<mods:title id="54A7A3BA5807264347C21CA76AD7409A">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="43B029A9DF4CB44591363B4A08782939">
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<mods:date id="E873B3F160A8BA86EAD415A4F3321CF2">2008</mods:date>
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<mods:detail id="86A10E8CBEB11E515FC8EC50C8CFCB6D" type="pubDate">
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<mods:number id="1F3C045930844755A4AF6D95E59ECF8A">2008-01-25</mods:number>
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</mods:detail>
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<mods:detail id="9CD465C3D52DFC823C0672FBAF903994" type="volume">
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<mods:number id="9113B011DFBBEB6E81E94A28A0CD43EF">1690</mods:number>
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</mods:detail>
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<mods:extent id="72627D3C30C55721707FEF281A1A6A23" unit="page">
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<mods:start id="97AD22A73389734FF1C68092DAE2667C">1</mods:start>
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<mods:end id="2791AB2DBDF9C156BEA8201139D22EB1">62</mods:end>
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</mods:extent>
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</mods:part>
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<mods:classification id="CF80A75184565C9E1E816456DE43E443">journal article</mods:classification>
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<mods:identifier id="5EA524826A258413557F7B6BC7E9D185" type="ISSN">11755334</mods:identifier>
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</mods:mods>
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<treatment id="03C287E95025FFE5FF09567EFA62C9DB" ID-DOI="http://doi.org/10.5281/zenodo.5107015" ID-Zenodo-Dep="5107015" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB" httpUri="http://treatment.plazi.org/id/03C287E95025FFE5FF09567EFA62C9DB" lastPageId="42" lastPageNumber="43" pageId="35" pageNumber="36">
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<subSubSection id="C37165745025FFECFF09567EFDDFCE28" box="[151,549,551,577]" pageId="35" pageNumber="36" type="nomenclature">
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<paragraph id="8BD436FF5025FFECFF09567EFDDFCE28" blockId="35.[151,549,551,612]" box="[151,549,551,577]" pageId="35" pageNumber="36">
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<heading id="D09C81935025FFECFF09567EFDDFCE28" bold="true" box="[151,549,551,577]" fontSize="11" level="1" pageId="35" pageNumber="36" reason="1">
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<emphasis id="B91FEAED5025FFECFF09567EFDDFCE28" bold="true" box="[151,549,551,577]" pageId="35" pageNumber="36">
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<taxonomicName id="4C6B4D7C5025FFECFF09567EFE26CE28" ID-CoL="3ZXQ9" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[151,476,551,577]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="paludosus" status="sp. nov.">
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<emphasis id="B91FEAED5025FFECFF09567EFE26CE28" bold="true" box="[151,476,551,577]" italics="true" pageId="35" pageNumber="36">Mesamphisopus paludosus</emphasis>
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||
</taxonomicName>
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<taxonomicNameLabel id="A22C57965025FFECFE7D567EFDDFCE28" box="[483,549,551,577]" pageId="35" pageNumber="36" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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||
</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37165745025FFECFF095613FEC5CE0D" box="[151,319,586,612]" pageId="35" pageNumber="36" type="description">
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<paragraph id="8BD436FF5025FFECFF095613FEC5CE0D" blockId="35.[151,549,551,612]" box="[151,319,586,612]" pageId="35" pageNumber="36">
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<figureCitation id="13502A7A5025FFECFF095613FEC5CE0D" box="[151,319,586,612]" captionStart-0="FIGURE 13" captionStart-1="FIGURE 14" captionStart-2="FIGURE 15" captionStart-3="FIGURE 16" captionStartId-0="36.[151,255,1863,1887]" captionStartId-1="37.[151,255,1879,1903]" captionStartId-2="38.[151,255,1909,1933]" captionStartId-3="39.[151,255,1904,1928]" captionTargetBox-0="[164,1416,205,1834]" captionTargetBox-1="[251,1377,202,1846]" captionTargetBox-2="[187,1394,208,1854]" captionTargetBox-3="[213,1400,207,1873]" captionTargetId-0="figure-56@36.[151,1436,194,1839]" captionTargetId-1="figure-66@37.[151,1436,194,1855]" captionTargetId-2="figure-58@38.[151,1436,194,1885]" captionTargetId-3="figure-41@39.[151,1436,100,1918]" captionTargetPageId-0="36" captionTargetPageId-1="37" captionTargetPageId-2="38" captionTargetPageId-3="39" captionText-0="FIGURE 13. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths." captionText-1="FIGURE 14. Mesamphisopus paludosus n. sp. A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view." captionText-2="FIGURE 15. Mesamphisopus paludosus n. sp. A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." captionText-3="FIGURE 16. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V; F, uropod." pageId="35" pageNumber="36">Figures 13–16</figureCitation>
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</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="C37165745025FFECFF0956C3FC25CF9D" pageId="35" pageNumber="36" type="materials_examined">
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<paragraph id="8BD436FF5025FFECFF0956C3FDD8CF45" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
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<emphasis id="B91FEAED5025FFECFF0956C3FE71CEDD" bold="true" box="[151,395,666,692]" pageId="35" pageNumber="36">Material examined.</emphasis>
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<materialsCitation id="3B033CA25025FFECFE0D56C3FAE3CF6D" accessionNumber="A45157" collectionCode="SAM" country="South Africa" latitude="-34.640835" location="Elim - Struisbaai" longLatPrecision="11" longitude="19.868" municipality="Agulhas Plain" pageId="35" pageNumber="36" specimenCount="14" specimenCount-female="7" specimenCount-male="7" typeStatus="syntype">
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||
<emphasis id="B91FEAED5025FFECFE0D56C3FDF7CEDD" bold="true" box="[403,525,666,692]" pageId="35" pageNumber="36">
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||
<typeStatus id="54D0885D5025FFECFE0D56C3FDF2CEDD" box="[403,520,666,692]" pageId="35" pageNumber="36" type="syntype">Syntypes</typeStatus>
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||
:
|
||
</emphasis>
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||
<collectionCode id="ED7AAE3A5025FFECFD8856C3FDACCEDD" box="[534,598,666,692]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="35" pageNumber="36">SAM</collectionCode>
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||
A45157,
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<specimenCount id="9D6DFD765025FFECFD5256C3FD1ACEC7" box="[716,736,666,686]" pageId="35" pageNumber="36" type="male">♂</specimenCount>
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(
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||
<quantity id="4C939B1A5025FFECFD7156C3FCA6CEDD" box="[751,860,666,692]" metricMagnitude="-2" metricUnit="m" metricValue="1.16" pageId="35" pageNumber="36" unit="mm" value="11.6">11.6 mm</quantity>
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, dissected) and
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<specimenCount id="9D6DFD765025FFECFB8656C3FBD6CEC7" box="[1048,1068,666,686]" pageId="35" pageNumber="36" type="female">♀</specimenCount>
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||
(brooding 12.0 mm, dissected) parts slide mounted and in microvials, additional
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<specimenCount id="9D6DFD765025FFECFD72569BFCE2CEBF" box="[748,792,706,732]" pageId="35" pageNumber="36" type="male">6 ♂</specimenCount>
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||
,
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||
<specimenCount id="9D6DFD765025FFECFCB7569BFCACCEBF" box="[809,854,706,732]" pageId="35" pageNumber="36" type="female">6 ♀</specimenCount>
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||
, temporary wetland along
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<location id="8EB460245025FFECFB04569BFAACCEB5" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB:8EB460245025FFECFB04569BFAACCEB5" box="[1178,1366,706,732]" country="South Africa" latitude="-34.640835" longLatPrecision="11" longitude="19.868" municipality="Agulhas Plain" name="Elim - Struisbaai" pageId="35" pageNumber="36">Elim–Struisbaai</location>
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||
road, opposite “Crane’s Nest” guest farm,
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<collectingMunicipality id="6BB0AC855025FFECFDDB56B3FD14CF6D" box="[581,750,746,772]" pageId="35" pageNumber="36">Agulhas Plain</collectingMunicipality>
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,
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<collectingCountry id="F37C766F5025FFECFD6456B3FC6BCF6D" box="[762,913,746,772]" name="South Africa" pageId="35" pageNumber="36">South Africa</collectingCountry>
|
||
(
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||
<geoCoordinate id="EE5F50385025FFECFC3F56B3FBDCCF6D" box="[929,1062,746,772]" degrees="34" direction="south" minutes="38.45" orientation="latitude" pageId="35" pageNumber="36" precision="9" value="-34.640835">34°38.45’S</geoCoordinate>
|
||
<geoCoordinate id="EE5F50385025FFECFBB056B3FB42CF6D" box="[1070,1208,746,772]" degrees="19" direction="east" minutes="52.08" orientation="longitude" pageId="35" pageNumber="36" precision="9" value="19.868">19°52.08’E</geoCoordinate>
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), coll. S
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||
</materialsCitation>
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||
.
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||
<materialsCitation id="3B033CA25025FFECFA8056B3FDE4CF45" collectingDate="2001-12-05" collectionCode="R" collectorName="Daniels & G. Gouws" country="South Africa" pageId="35" pageNumber="36" specimenCount="1" typeStatus="syntype">
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||
<collectionCode id="ED7AAE3A5025FFECFA8056B3FACDCF6D" box="[1310,1335,746,772]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="35" pageNumber="36">R</collectionCode>
|
||
.
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||
<collectorName id="269E53295025FFECFADC56B3FA61CF6D" box="[1346,1435,746,772]" pageId="35" pageNumber="36">Daniels</collectorName>
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||
and
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||
<collectorName id="269E53295025FFECFF56574BFEC5CF45" box="[200,319,786,812]" pageId="35" pageNumber="36">G. Gouws</collectorName>
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||
,
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||
<date id="FFD5103F5025FFECFED4574BFDE4CF45" box="[330,542,786,812]" pageId="35" pageNumber="36" value="2001-12-05">
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||
<collectingDate id="EF91E9D75025FFECFED4574BFDE4CF45" box="[330,542,786,812]" pageId="35" pageNumber="36" value="2001-12-05">5 December 2001</collectingDate>
|
||
</date>
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||
</materialsCitation>
|
||
.
|
||
</paragraph>
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||
<paragraph id="8BD436FF5025FFECFF5B5763FC25CF9D" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
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||
<materialsCitation id="3B033CA25025FFECFF5B5763FE28CF15" accessionNumber="A45158" collectingDate="2001-11-24" collectionCode="SAM" collectorName="G. Gouws & H. Endemann" pageId="35" pageNumber="36" specimenCount="3" specimenCount-female="2" specimenCount-male="1">
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||
<emphasis id="B91FEAED5025FFECFF5B5763FE76CF3D" bold="true" box="[197,396,826,852]" pageId="35" pageNumber="36">Other material:</emphasis>
|
||
<collectionCode id="ED7AAE3A5025FFECFE0A5763FE29CF3D" box="[404,467,826,852]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="35" pageNumber="36">SAM</collectionCode>
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||
A45158,
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||
<specimenCount id="9D6DFD765025FFECFDD25763FD9ACF27" box="[588,608,826,846]" pageId="35" pageNumber="36" type="male">♂</specimenCount>
|
||
,
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||
<specimenCount id="9D6DFD765025FFECFDF05763FD60CF27" box="[622,666,826,852]" pageId="35" pageNumber="36" type="female">2 ♀</specimenCount>
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||
, collection locality as for syntypes, coll.
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||
<collectorName id="269E53295025FFECFB1F5763FB0FCF3D" box="[1153,1269,826,852]" pageId="35" pageNumber="36">G. Gouws</collectorName>
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||
and
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||
<collectorName id="269E53295025FFECFAAF5763FF21CF15" pageId="35" pageNumber="36">H. Endemann</collectorName>
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||
,
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<date id="FFD5103F5025FFECFF76573BFE28CF15" box="[232,466,866,892]" pageId="35" pageNumber="36" value="2001-11-24">
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||
<collectingDate id="EF91E9D75025FFECFF76573BFE28CF15" box="[232,466,866,892]" pageId="35" pageNumber="36" value="2001-11-24">24 November 2001</collectingDate>
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||
</date>
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||
</materialsCitation>
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||
.
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<materialsCitation id="3B033CA25025FFECFE41573BFC45CFCD" accessionNumber="A45159" collectionCode="SAM" collectorName="Agulhas Plain" country="South Africa" latitude="-34.741665" location="Ratel's River" longLatPrecision="11" longitude="19.68" pageId="35" pageNumber="36" specimenCount="1">
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||
<collectionCode id="ED7AAE3A5025FFECFE41573BFDE5CF15" box="[479,543,866,892]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="35" pageNumber="36">SAM</collectionCode>
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||
A45159, temporary wetland to the east of vlei, in kraal of “
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||
<location id="8EB460245025FFECFB6F573BFA68CF15" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB:8EB460245025FFECFB6F573BFA68CF15" box="[1265,1426,866,892]" country="South Africa" latitude="-34.741665" longLatPrecision="11" longitude="19.68" name="Ratel's River" pageId="35" pageNumber="36">Ratel’s River</location>
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||
” farm,
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||
<collectorName id="269E53295025FFECFF7E57D3FE71CFCD" box="[224,395,906,932]" pageId="35" pageNumber="36">Agulhas Plain</collectorName>
|
||
,
|
||
<collectingCountry id="F37C766F5025FFECFE0757D3FDC8CFCD" box="[409,562,906,932]" name="South Africa" pageId="35" pageNumber="36">South Africa</collectingCountry>
|
||
(
|
||
<geoCoordinate id="EE5F50385025FFECFDDB57D3FD31CFCD" box="[581,715,906,932]" degrees="34" direction="south" minutes="44.50" orientation="latitude" pageId="35" pageNumber="36" precision="9" value="-34.741665">34°44.50’S</geoCoordinate>
|
||
<geoCoordinate id="EE5F50385025FFECFD4857D3FCA4CFCD" box="[726,862,906,932]" degrees="19" direction="east" minutes="40.80" orientation="longitude" pageId="35" pageNumber="36" precision="9" value="19.68">19°40.80’E</geoCoordinate>
|
||
) coll. S
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="3B033CA25025FFECFC5D57D3FF2FCFA5" collectingDate="2001-12-05" collectionCode="R" collectorName="G. Gouws" country="South Africa" location="Daniels" pageId="35" pageNumber="36" specimenCount="1">
|
||
<collectionCode id="ED7AAE3A5025FFECFC5D57D3FC26CFCD" box="[963,988,906,932]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="35" pageNumber="36">R</collectionCode>
|
||
.
|
||
<location id="8EB460245025FFECFC7557D3FBBECFCD" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB:8EB460245025FFECFC7557D3FBBECFCD" box="[1003,1092,906,932]" country="South Africa" name="Daniels" pageId="35" pageNumber="36">Daniels</location>
|
||
and
|
||
<collectorName id="269E53295025FFECFB1D57D3FB06CFCD" box="[1155,1276,906,932]" pageId="35" pageNumber="36">G. Gouws</collectorName>
|
||
,
|
||
<date id="FFD5103F5025FFECFA9557D3FF2FCFA5" pageId="35" pageNumber="36" value="2001-12-05">
|
||
<collectingDate id="EF91E9D75025FFECFA9557D3FF2FCFA5" pageId="35" pageNumber="36" value="2001-12-05">5 December 2001</collectingDate>
|
||
</date>
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="3B033CA25025FFECFF7F57EBFC21CF9D" collectorName="Agulhas Plain" country="South Africa" county="Rattelrivier" latitude="-34.741165" location="University" longLatPrecision="11" longitude="19.678333" municipality="Freshwater Research Unit" pageId="35" pageNumber="36" specimenCount="1" stateProvince="Western Cape">
|
||
<location id="8EB460245025FFECFF7F57EBFEA6CFA5" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB:8EB460245025FFECFF7F57EBFEA6CFA5" box="[225,348,946,972]" country="South Africa" county="Rattelrivier" latitude="-34.741165" longLatPrecision="11" longitude="19.678333" municipality="Freshwater Research Unit" name="University" pageId="35" pageNumber="36" stateProvince="Western Cape">University</location>
|
||
of
|
||
<collectingRegion id="49AFF81D5025FFECFE1B57EBFE3BCFA5" box="[389,449,946,972]" country="South Africa" name="Western Cape" pageId="35" pageNumber="36">Cape</collectingRegion>
|
||
<location id="8EB460245025FFECFE5457EBFDF5CFA5" LSID="urn:lsid:plazi:treatment:03C287E95025FFE5FF09567EFA62C9DB:8EB460245025FFECFE5457EBFDF5CFA5" box="[458,527,946,972]" country="South Africa" county="Rattelrivier" latitude="-34.741165" longLatPrecision="11" longitude="19.678333" municipality="Freshwater Research Unit" name="Town" pageId="35" pageNumber="36" stateProvince="Western Cape">Town</location>
|
||
,
|
||
<collectingMunicipality id="6BB0AC855025FFECFD8257EBFCB7CFA5" box="[540,845,946,972]" pageId="35" pageNumber="36">Freshwater Research Unit</collectingMunicipality>
|
||
WCW B13,
|
||
<collectingCounty id="62B54E735025FFECFC7757EBFB8ACFA5" box="[1001,1136,946,972]" pageId="35" pageNumber="36">Rattelrivier</collectingCounty>
|
||
, on
|
||
<collectorName id="269E53295025FFECFB3C57EBFAB1CFA5" box="[1186,1355,946,972]" pageId="35" pageNumber="36">Agulhas Plain</collectorName>
|
||
,
|
||
<collectingCountry id="F37C766F5025FFECFAC657EBFF18CF9D" name="South Africa" pageId="35" pageNumber="36">South Africa</collectingCountry>
|
||
(
|
||
<geoCoordinate id="EE5F50385025FFECFF6C5783FE82CF9D" box="[242,376,986,1012]" degrees="34" direction="south" minutes="44.47" orientation="latitude" pageId="35" pageNumber="36" precision="9" value="-34.741165">34°44.47’S</geoCoordinate>
|
||
<geoCoordinate id="EE5F50385025FFECFEE15783FDFCCF9D" box="[383,518,986,1012]" degrees="19" direction="east" minutes="40.70" orientation="longitude" pageId="35" pageNumber="36" precision="9" value="19.678333">19°40.70’E</geoCoordinate>
|
||
) (further collection details unavailable)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37165745025FFECFF58505BFD48C82D" pageId="35" pageNumber="36" type="etymology">
|
||
<paragraph id="8BD436FF5025FFECFF58505BFD48C82D" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
|
||
<emphasis id="B91FEAED5025FFECFF58505BFEA9C875" bold="true" box="[198,339,1026,1052]" pageId="35" pageNumber="36">Etymology.</emphasis>
|
||
The epithet is the Latin adjective “paludosus”, meaning “marshy” or “swampy”, in reference to the temporary wetlands of the
|
||
<typeStatus id="54D0885D5025FFECFD845073FDB6C82D" box="[538,588,1066,1092]" pageId="35" pageNumber="36">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37165745025FFE6FF58500BFC43CBD3" lastPageId="41" lastPageNumber="42" pageId="35" pageNumber="36" type="diagnosis">
|
||
<paragraph id="8BD436FF5025FFECFF58500BFE0FCA85" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
|
||
<emphasis id="B91FEAED5025FFECFF58500BFEBCC805" bold="true" box="[198,326,1106,1132]" pageId="35" pageNumber="36">Diagnosis.</emphasis>
|
||
Mandibular groove with acute indentation. Pereonites with sparse, fine setae, setae length 0.05–0.06 body depth. Pleonites 2–4 respective lengths in dorsal view more than half the length of pleonite 5. Pleonites 1–4 width 0.95–0.98 composite length in dorsal view. Pleotelson dorsal surface in lateral view evenly curving; lateral length subequal (0.94–0.98) to depth; depth 1.64–1.69 pereonite 7 depth; ventral margin anterior to uropods with single row of 3–5 simple RS grading anteriorly to fine setae; posterior apex not reflexed, with 1 pair of RS, additional pair towards ventrolateral margin and subapical pair dorsally. Antennula long, length 0.23 body length, with 9 or 10 long slender articles. Antenna long, length 0.78 body length. Mandibular palp article 3 with 32–38 finely setulate setae. Maxillula lateral lobe distal margin with 3 smooth RS, 9 denticulate RS. Maxilliped palp article 5 length:width 1.85. Pereopod I propodal palm with 4 stout denticulate serrate setae, 3 basally-inflated stout RS, and 4 elongate broad-based setae. Pereopods II and III propodus length:width 2.36–2.60. Pereopod IV propodus slender (length:width
|
||
<quantity id="4C939B1A5025FFECFBAF51BBFB7CC995" box="[1073,1158,1506,1532]" metricMagnitude="-2" metricUnit="m" metricValue="4.8006" pageId="35" pageNumber="36" unit="in" value="1.89">1.89 in</quantity>
|
||
male,
|
||
<quantity id="4C939B1A5025FFECFB4251BBFACBC995" box="[1244,1329,1506,1532]" metricMagnitude="-2" metricUnit="m" metricValue="6.1722" pageId="35" pageNumber="36" unit="in" value="2.43">2.43 in</quantity>
|
||
female). Pereopods V–VII basis dorsal ridge in cross-section angular on V and VI, produced and forming distinct plate on VII. Only pleopod I and II endopod margins with setae in male and pleopod I in female. Pleopod I protopod longer (1.29) than wide. Pleopod II appendix masculina short, length 0.29–0.34 pleopod length; distal tip not reaching distal margin of endopod. Uropod endopod with 11 RS along length of dorsal margin and apically; exopod with 5 (male) or 6 (female) RS. Pleopods long; length:body length> 0.19 for pleopods I–III and> 0.18 for pleopods IV and V.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5025FFECFF5852A3FC8ACBE5" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
|
||
<emphasis id="B91FEAED5025FFECFF5852A3FE43CB7D" bold="true" box="[198,441,1786,1812]" pageId="35" pageNumber="36">Descriptions. Male.</emphasis>
|
||
<emphasis id="B91FEAED5025FFECFE5C52A2FDB0CB7D" box="[450,586,1787,1812]" italics="true" pageId="35" pageNumber="36">Coloration.</emphasis>
|
||
Body strongly pigmented, dark-brown to black-brown dorsally and laterally; off-white (living specimens) to yellowish-white (preserved specimens) where not pigmented; more heavily pigmented patches or spots formed laterally on pleonites, pigmentation forms mottlings on pereopods and dendritic patterns laterally on cephalon and on pereopods.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5025FFECFF5B53C2FB2BCBB5" blockId="35.[151,1436,666,2012]" pageId="35" pageNumber="36">
|
||
<emphasis id="B91FEAED5025FFECFF5B53C2FEFECBDD" box="[197,260,1947,1972]" italics="true" pageId="35" pageNumber="36">Head</emphasis>
|
||
setae sparse, fine. Eyes projecting anteriorly; maximum diameter 0.15–0.18 head depth; approximately round. Antennal notch posterior extension reaches just below anterior portion of eye.
|
||
</paragraph>
|
||
<caption id="DF1466775022FFEBFF09531EFE7FCBCD" pageId="36" pageNumber="37" startId="36.[151,255,1863,1887]" targetBox="[164,1416,205,1834]" targetPageId="36">
|
||
<paragraph id="8BD436FF5022FFEBFF09531EFE7FCBCD" blockId="36.[151,1436,1863,1956]" pageId="36" pageNumber="37">
|
||
<emphasis id="B91FEAED5022FFEBFF09531EFED2CB36" bold="true" box="[151,296,1863,1887]" pageId="36" pageNumber="37">FIGURE 13.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5022FFEBFEAC5311FDA8CB36" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[306,594,1864,1887]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="36" pageNumber="37" phylum="Arthropoda" rank="species" species="paludosus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5022FFEBFEAC5311FDA8CB36" box="[306,594,1864,1887]" italics="true" pageId="36" pageNumber="37">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5022FFEBFDC2531EFD60CB36" bold="true" box="[604,666,1863,1887]" pageId="36" pageNumber="37">
|
||
<taxonomicNameLabel id="A22C57965022FFEBFDC2531EFD60CB36" box="[604,666,1863,1887]" pageId="36" pageNumber="37" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF1466775023FFEAFF09530EFB8DCBDA" pageId="37" pageNumber="38" startId="37.[151,255,1879,1903]" targetBox="[251,1377,202,1846]" targetPageId="37">
|
||
<paragraph id="8BD436FF5023FFEAFF09530EFB8DCBDA" blockId="37.[151,1436,1879,1971]" pageId="37" pageNumber="38">
|
||
<emphasis id="B91FEAED5023FFEAFF09530EFEDDCB06" bold="true" box="[151,295,1879,1903]" pageId="37" pageNumber="38">FIGURE 14.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5023FFEAFEB0530EFDB7CB07" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[302,589,1879,1902]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="37" pageNumber="38" phylum="Arthropoda" rank="species" species="paludosus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5023FFEAFEB0530EFDB7CB07" box="[302,589,1879,1902]" italics="true" pageId="37" pageNumber="38">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5023FFEAFDCA530EFD6BCB06" bold="true" box="[596,657,1879,1903]" pageId="37" pageNumber="38">
|
||
<taxonomicNameLabel id="A22C57965023FFEAFDCA530EFD6BCB06" box="[596,657,1879,1903]" pageId="37" pageNumber="38" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF1466775020FFE9FF09532CFACBCBC6" pageId="38" pageNumber="39" startId="38.[151,255,1909,1933]" targetBox="[187,1394,208,1854]" targetPageId="38">
|
||
<paragraph id="8BD436FF5020FFE9FF09532CFACBCBC6" blockId="38.[151,1435,1909,1967]" pageId="38" pageNumber="39">
|
||
<emphasis id="B91FEAED5020FFE9FF09532CFEDCCBE4" bold="true" box="[151,294,1909,1933]" pageId="38" pageNumber="39">FIGURE 15.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5020FFE9FEB3532FFDB1CBE4" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[301,587,1910,1933]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="38" pageNumber="39" phylum="Arthropoda" rank="species" species="paludosus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5020FFE9FEB3532FFDB1CBE4" box="[301,587,1910,1933]" italics="true" pageId="38" pageNumber="39">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5020FFE9FDCC532CFD74CBE4" bold="true" box="[594,654,1909,1933]" pageId="38" pageNumber="39">
|
||
<taxonomicNameLabel id="A22C57965020FFE9FDCC532CFD74CBE4" box="[594,654,1909,1933]" pageId="38" pageNumber="39" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF1466775021FFE8FF095329FDB9CBC3" pageId="39" pageNumber="40" startId="39.[151,255,1904,1928]" targetBox="[213,1400,207,1873]" targetPageId="39">
|
||
<paragraph id="8BD436FF5021FFE8FF095329FDB9CBC3" blockId="39.[151,1436,1904,1962]" pageId="39" pageNumber="40">
|
||
<emphasis id="B91FEAED5021FFE8FF095329FEDCCBE1" bold="true" box="[151,294,1904,1928]" pageId="39" pageNumber="40">FIGURE 16.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5021FFE8FEB25329FDB0CBEE" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[300,586,1904,1927]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="39" pageNumber="40" phylum="Arthropoda" rank="species" species="paludosus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5021FFE8FEB25329FDB0CBEE" box="[300,586,1904,1927]" italics="true" pageId="39" pageNumber="40">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5021FFE8FDCF5329FD77CBE1" bold="true" box="[593,653,1904,1928]" pageId="39" pageNumber="40">
|
||
<taxonomicNameLabel id="A22C57965021FFE8FDCF5329FD77CBE1" box="[593,653,1904,1928]" pageId="39" pageNumber="40" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–F, dissected male syntype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V; F, uropod.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD436FF502EFFE7FF5B54C1FBBACD6B" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B54C1FEE2CCD8" box="[197,280,152,177]" italics="true" pageId="40" pageNumber="41">Pereon</emphasis>
|
||
width exceeding head width. Pereonite 1 length:width in dorsal view 0.30–0.39. Pereonite 2 length:width 0.39–0.41. Pereonite 3 length:width 0.43–0.50. Pereonite 4 length:width 0.42–0.50. Pereonite 5 length:width 0.47. Pereonite 6 length:width 0.43. Pereonite 7 length:width 0.36.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5549FBDCCD13" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5549FEC8CD40" box="[197,306,272,297]" italics="true" pageId="40" pageNumber="41">Pleonites</emphasis>
|
||
1–4 relative lengths unequal, pleonite 4 length greater than or subequal to pleonites 1–3. Pleonites 1–5 dorsal length:maximum width of pleonites 1–5 respectively 0.25, 0.25, 0.25, 0.28 and 0.41. Pleonites 1–5 depth:pereonite 7 depth respectively 1.37, 1.99, 2.13, 2.16 and 1.91.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B55D1FB25CDCB" blockId="40.[151,1436,152,2018]" box="[197,1247,392,418]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B55D1FEBACDC8" box="[197,320,392,417]" italics="true" pageId="40" pageNumber="41">Pleotelson</emphasis>
|
||
dorsal surface sparsely covered with fine setae; dorsal length 1.04–1.08 width.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B55E9FA90CE73" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B55E9FEC7CDA0" box="[197,317,432,457]" italics="true" pageId="40" pageNumber="41">Antennula</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FED055E9FE59CDA3" box="[334,419,432,458]" captionStart="FIGURE 13" captionStartId="36.[151,255,1863,1887]" captionTargetBox="[164,1416,205,1834]" captionTargetId="figure-56@36.[151,1436,194,1839]" captionTargetPageId="36" captionText="FIGURE 13. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths." pageId="40" pageNumber="41">Fig. 13</figureCitation>
|
||
) article 5 divisible into 1 large or 2 small articles. Four aesthetascs on terminal article; 3 aesthetascs and 1 SS peripherally on distal margin of subterminal article. Terminal article length:width 0.73–0.80. Penultimate article subequal in length to other articles. Distal articles circular in cross-section.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5671FD09CE03" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5671FEDCCE28" box="[197,294,552,577]" italics="true" pageId="40" pageNumber="41">Antenna</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FEA95671FE71CE2B" box="[311,395,552,578]" captionStart="FIGURE 13" captionStartId="36.[151,255,1863,1887]" captionTargetBox="[164,1416,205,1834]" captionTargetId="figure-56@36.[151,1436,194,1839]" captionTargetPageId="36" captionText="FIGURE 13. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths." pageId="40" pageNumber="41">Fig. 13</figureCitation>
|
||
) flagellum length 0.69 total antenna length, with 28–36 articles, with abundant fine setae along distal margins. Article 5 longer than article 4.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5621FBE2CF63" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5621FEB4CEF8" box="[197,334,632,657]" italics="true" pageId="40" pageNumber="41">Mouthfield.</emphasis>
|
||
Clypeus not widening laterally; width 0.89 head width. Labrum (
|
||
<figureCitation id="13502A7A502EFFE7FBD25621FB5BCEFB" box="[1100,1185,632,658]" captionStart="FIGURE 13" captionStartId="36.[151,255,1863,1887]" captionTargetBox="[164,1416,205,1834]" captionTargetId="figure-56@36.[151,1436,194,1839]" captionTargetPageId="36" captionText="FIGURE 13. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths." pageId="40" pageNumber="41">Fig. 13</figureCitation>
|
||
) ventrally semicircular in anterior view, with fringe of fine setae along distal margin; dorsal margin wider than clypeus. Paragnaths (
|
||
<figureCitation id="13502A7A502EFFE7FF765691FEBBCE8B" box="[232,321,712,738]" captionStart="FIGURE 13" captionStartId="36.[151,255,1863,1887]" captionTargetBox="[164,1416,205,1834]" captionTargetId="figure-56@36.[151,1436,194,1839]" captionTargetPageId="36" captionText="FIGURE 13. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, habitus, dorsal view (antennulae and antennae are incompletely illustrated and only one uropod is depicted); B, lateral view; C, antennula; D, antenna; E, labrum; F, paragnaths." pageId="40" pageNumber="41">Fig. 13</figureCitation>
|
||
) with distolaterally rounded lobes; with dense mats of fine setae distomesially along lobes, becoming shorter proximally; longer SS scattered apically and distolaterally.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5741FEF6CFBB" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5741FECFCF58" box="[197,309,792,817]" italics="true" pageId="40" pageNumber="41">Mandible</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FED65741FE65CF5B" box="[328,415,792,818]" captionStart="FIGURE 14" captionStartId="37.[151,255,1879,1903]" captionTargetBox="[251,1377,202,1846]" captionTargetId="figure-66@37.[151,1436,194,1855]" captionTargetPageId="37" captionText="FIGURE 14. Mesamphisopus paludosus n. sp. A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view." pageId="40" pageNumber="41">Fig. 14</figureCitation>
|
||
) palp length 1.07 mandible length; article 1 with elongate SS at distoventral margin; article 2 with longitudinal row of elongate SS along ventral margin, separate row of 6 elongate SS along distolateral surface near dorsal margin; setae more than half respective article lengths. Left spine row with 13 spines, 3 of which are bifurcate. Right spine row with 11 spines, 2 of which are bifurcate. Molar process wider than long.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B57B9FA9CC823" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B57B9FECDCF90" box="[197,311,992,1017]" italics="true" pageId="40" pageNumber="41">Maxillula</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FED957B9FE61CF93" box="[327,411,992,1018]" captionStart="FIGURE 14" captionStartId="37.[151,255,1879,1903]" captionTargetBox="[251,1377,202,1846]" captionTargetId="figure-66@37.[151,1436,194,1855]" captionTargetPageId="37" captionText="FIGURE 14. Mesamphisopus paludosus n. sp. A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view." pageId="40" pageNumber="41">Fig. 14</figureCitation>
|
||
) mesial lobe length 0.49 lateral lobe length; width 0.61 lateral lobe width; with 2 accessory setae (1 distally denticulate, 1 simple), 1 on distolateral margin and 1 at base of the mesial of two central PPS. Lateral lobe distal margin with 4 RS forming distal setal row; ventral face with 2 widely spaced PS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5001FAFCC97B" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5001FEDAC818" box="[197,288,1112,1137]" italics="true" pageId="40" pageNumber="41">Maxilla</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FEAC5001FE72C81B" box="[306,392,1112,1138]" captionStart="FIGURE 14" captionStartId="37.[151,255,1879,1903]" captionTargetBox="[251,1377,202,1846]" captionTargetId="figure-66@37.[151,1436,194,1855]" captionTargetPageId="37" captionText="FIGURE 14. Mesamphisopus paludosus n. sp. A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view." pageId="40" pageNumber="41">Fig. 14</figureCitation>
|
||
) mesial lobe width 0.71 outer lateral lobe width; proximal portion smoothly continuous with distal portion; proximal and distal setal rows separated by gap; 8 fairly robust serrate setae and PCS in single ventral basal row; 36 closely-set elongate PS in dorsal basal row; 18 SS and PS and 3 PCS in multiple distal rows. Outer lateral lobe length subequal to inner lateral lobe, wider than inner lateral lobe; distal margin with 18 long bidenticulate setae. Inner lateral lobe distal margin with 13 long bidenticulate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5179FB1EC9DB" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5179FEBEC950" box="[197,324,1312,1337]" italics="true" pageId="40" pageNumber="41">Maxilliped</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FEC85179FE57C953" box="[342,429,1312,1338]" captionStart="FIGURE 14" captionStartId="37.[151,255,1879,1903]" captionTargetBox="[251,1377,202,1846]" captionTargetId="figure-66@37.[151,1436,194,1855]" captionTargetPageId="37" captionText="FIGURE 14. Mesamphisopus paludosus n. sp. A–H, dissected male syntype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible spine row and incisor process; E, maxillula, with enlarged medial view of lateral lobe distal margin; F, maxilla; G, maxilliped, ventral view; H, maxilliped, dorsal view." pageId="40" pageNumber="41">Fig. 14</figureCitation>
|
||
) epipod length:width 1.14; distal margin setae fine and in fringe. Endite length:total basis length 0.41; mesial margin with 2 coupling hooks on left and right sides; dorsal ridge with 15 large distally denticulate PS. Palp insertion on basis mesial margin with 1 SS; palp width across articles 2 and 3:endite width 1.33–1.40; article 4 subcircular, length:width 0.96; article 5 length:article 4 length 0.92.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE7FF5B5199FBE4CAA3" blockId="40.[151,1436,152,2018]" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5199FEB2C9B0" box="[197,328,1472,1497]" italics="true" pageId="40" pageNumber="41">Pereopod I</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FEC75199FE54C9B3" box="[345,430,1472,1498]" captionStart="FIGURE 15" captionStartId="38.[151,255,1909,1933]" captionTargetBox="[187,1394,208,1854]" captionTargetId="figure-58@38.[151,1436,194,1885]" captionTargetPageId="38" captionText="FIGURE 15. Mesamphisopus paludosus n. sp. A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="40" pageNumber="41">Fig. 15</figureCitation>
|
||
) length:body length 0.44. Dactylus length subequal to palm length or slightly longer, length:palm length 1.36; ventrodistal margin with thin scale-like spines along 0.08 total length; claw length:dactylus length 0.10; distal accessory claw length 0.27 primary claw length. Propodus length:width 1.23; dorsal margin with 10 or 11 setae distributed singularly between proximal and distal margin, including
|
||
<quantity id="4C939B1A502EFFE7FA135261FF57CA13" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="40" pageNumber="41" unit="in" value="5.0">5 in</quantity>
|
||
distal group. Propodal palm cuticular fringe well developed, continuous along proximal third of palm, intermittent towards distal portion. Ischium dorsal margin with 3–5 SS. Basis length:width 1.93; dorsal margin with 12 SS positioned along ridge; ventrodistal margin with 3 elongate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502EFFE6FF5B5281FE1FCCB3" blockId="40.[151,1436,152,2018]" lastBlockId="41.[151,1437,152,2018]" lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41">
|
||
<emphasis id="B91FEAED502EFFE7FF5B5281FE43CA98" box="[197,441,1752,1777]" italics="true" pageId="40" pageNumber="41">Pereopods II and III</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502EFFE7FE555281FDD9CA9B" box="[459,547,1752,1778]" captionStart="FIGURE 15" captionStartId="38.[151,255,1909,1933]" captionTargetBox="[187,1394,208,1854]" captionTargetId="figure-58@38.[151,1436,194,1885]" captionTargetPageId="38" captionText="FIGURE 15. Mesamphisopus paludosus n. sp. A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="40" pageNumber="41">Fig. 15</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344502EFFE7FDAC5281FD72CA9B" box="[562,648,1752,1778]" captionStart="TABLE 1" captionStartId="16.[151,241,151,175]" captionText="TABLE 1. Comparison of various ratios from the undifferentiated anterior pereopods (II and III) among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="40" pageNumber="41">Table 1</tableCitation>
|
||
) with PNS scattered along dorsal margin of basis. Dactylus distal accessory claw length 0.35–0.50 primary claw length. Pereopod II propodus with 8 broad-based setae, evenly spaced along ventral margin, setae 0.10–0.18 propodus length; carpus with 10 or 11 broad-based setae, evenly spaced along and lateral to ventral margin, setae 0.09–0.34 carpus length. Pereopod III propodus with 6 broadbased setae, evenly spaced along ventral margin, setae 0.11–0.17 propodus length; carpus with 18 broadbased setae, evenly spaced along ventral margin and series of 4 distolateral to margin, setae 0.10–0.31 carpus length. Basis dorsal ridge in cross-section angular and produced without forming distinct plate, with 10–13 elongate SS along dorsal ridge, 1 or 2 more robust than others. Pereopods II–IV ischium dorsal margin with 11 or 12 SS, including 2 RS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B54B1FB53CDCB" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B54B1FEA3CD68" box="[197,345,232,257]" italics="true" pageId="41" pageNumber="42">Pereopod IV</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502FFFE6FEF654B1FE47CD6B" box="[360,445,232,258]" captionStart="FIGURE 15" captionStartId="38.[151,255,1909,1933]" captionTargetBox="[187,1394,208,1854]" captionTargetId="figure-58@38.[151,1436,194,1885]" captionTargetPageId="38" captionText="FIGURE 15. Mesamphisopus paludosus n. sp. A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="41" pageNumber="42">Fig. 15</figureCitation>
|
||
) with PNS on dorsal margin of basis. Dactylus length subequal to palm; distal accessory claw length 0.25 primary claw length. Propodus length:pereopod length 0.12; distal width:palm width 0.82; with 4 broad-based setae on ventral margin; articular plate subequal in length to dactylar claw. Carpus length:pereopod length 0.14; ventral margin with 7 broad-based setae, 5 distinctly larger than others. Ischium posterodistal margin with 5 or 6 setae. Basis length:width 2.63; dorsal ridge with 9 setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B55E9FD5ACE2B" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B55E9FE74CDA0" box="[197,398,432,457]" italics="true" pageId="41" pageNumber="42">Pereopods V–VII</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502FFFE6FE0055E9FE0ECDA3" box="[414,500,432,458]" captionStart="FIGURE 15" captionStartId="38.[151,255,1909,1933]" captionTargetBox="[187,1394,208,1854]" captionTargetId="figure-58@38.[151,1436,194,1885]" captionTargetPageId="38" captionText="FIGURE 15. Mesamphisopus paludosus n. sp. A–G, dissected male syntype. A, pereopods I, with enlarged view of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="41" pageNumber="42">Fig. 15</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344502FFFE6FD9E55E9FDADCDA3" box="[512,599,432,458]" captionStart="TABLE 2" captionStartId="17.[151,241,762,786]" captionText="TABLE 2. Comparison of various ratios from the posterior pereopods (V–VII) among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="41" pageNumber="42">Table 2</tableCitation>
|
||
) with PNS on dorsal ridge of basis. Dactylus distal accessory claw ventral to and separated from primary claw, length 0.33 primary claw length. Propodus distal margins with 3–5 elongate RS. Pereopods V–VII ischium dorsal margin with 5–19 SS, including 1–3 RS. Basis dorsal ridge with elongate fine setae along entire margin.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5609FAE1CE03" blockId="41.[151,1437,152,2018]" box="[197,1307,592,618]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5609FEF1CE00" box="[197,267,592,617]" italics="true" pageId="41" pageNumber="42">Penes</emphasis>
|
||
length 0.44 body width at pereonite 7; with setae on shaft; distal tip rounded to truncate.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5621FD52CFEB" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5621FEC8CEF8" box="[197,306,632,657]" italics="true" pageId="41" pageNumber="42">Pleopods</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502FFFE6FEDD5621FE60CEFB" box="[323,410,632,658]" captionStart="FIGURE 16" captionStartId="39.[151,255,1904,1928]" captionTargetBox="[213,1400,207,1873]" captionTargetId="figure-41@39.[151,1436,100,1918]" captionTargetPageId="39" captionText="FIGURE 16. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V; F, uropod." pageId="41" pageNumber="42">Fig. 16</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344502FFFE6FE385621FE04CEFB" box="[422,510,632,658]" captionStart="TABLE 3" captionStartId="18.[151,241,980,1004]" captionText="TABLE 3. Comparison of various pleopod I–V ratios among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="41" pageNumber="42">Table 3</tableCitation>
|
||
). Endopod margin with SS and PS on I, single PS only on II. Protopods mesial margins/epipods I–IV with 6, 3, 3 and 2 coupling hooks, respectively; II–V with 4, 7, 8 and 9 elongate inflexible SS, respectively. Protopods lateral epipod III length 2.04–2.17 width, lateral epipod V length 1.88–1.94 width. Protopod lateral margin of pleopod I with 4 fine elongate setae; lateral epipods III–V with 23, 22 and 22 elongate inflexible SS on margins, respectively. Pleopod I exopod broadest proximally, mesial margin straight, dorsal surface with setae; protopod length subequal to that of other pleopods. Pleopod II endopod appendix masculina with 25 setae on margin.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B57C9FEAEC84B" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B57C9FEE5CFC0" box="[197,287,912,937]" italics="true" pageId="41" pageNumber="42">Uropod</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A502FFFE6FEB157C9FE7ECFC3" box="[303,388,912,938]" captionStart="FIGURE 16" captionStartId="39.[151,255,1904,1928]" captionTargetBox="[213,1400,207,1873]" captionTargetId="figure-41@39.[151,1436,100,1918]" captionTargetPageId="39" captionText="FIGURE 16. Mesamphisopus paludosus n. sp. A–F, dissected male syntype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V; F, uropod." pageId="41" pageNumber="42">Fig. 16</figureCitation>
|
||
) total length 1.82 pleotelson length. Protopod length:width 3.90; length 0.45 uropod total length; extending posteriorly subequal to pleotelson apex; dorsomesial ridge produced, plate-like, ridge length:endopod length 0.52. Rami (in cross-section) flattened on dorsal surface only. Exopod length 0.80 endopod length.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5076FCB5C823" blockId="41.[151,1437,152,2018]" box="[197,847,1071,1098]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5076FEDDC820" bold="true" box="[197,295,1071,1097]" pageId="41" pageNumber="42">Female.</emphasis>
|
||
<emphasis id="B91FEAED502FFFE6FEB15069FE8DC820" box="[303,375,1072,1097]" italics="true" pageId="41" pageNumber="42">Head.</emphasis>
|
||
Cervical groove straighter than in male.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5001FCE5C8F3" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5001FEDBC818" box="[197,289,1112,1137]" italics="true" pageId="41" pageNumber="42">Pereon.</emphasis>
|
||
Pereonite 2 length:width 0.44–0.52. Pereonite 5 (length:width 0.43), pereonite 6 (0.37) and pereonite 7 (0.29) relatively shorter and wider than in male.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B50F1FC79C8AB" blockId="41.[151,1437,152,2018]" box="[197,899,1192,1218]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B50F1FEC7C8A8" box="[197,317,1192,1217]" italics="true" pageId="41" pageNumber="42">Antennula</emphasis>
|
||
with additional aesthetasc on subterminal article.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5089FDA2C9DB" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5089FEB2C880" box="[197,328,1232,1257]" italics="true" pageId="41" pageNumber="42">Pereopod I</emphasis>
|
||
length:body length 0.38. Dactylus ventrodistal margin with thin scale-like spines along 0.17 total length; primary claw length:dactylus length 0.13; distal accessory claw length 0.41 primary claw length. Propodus length:width 1.31. Propodal palm straight; cuticular fringe less than half palm length, intermittent distally; with 10 serrate and bifid denticulate stout setae; single stout basally-inflated RS, 3 or 4 elongate broad-based setae. Basis with 7 or 8 dorsal setae positioned along or lateral to ridge; ventrodistal margin with 4 elongate setae, 2 shorter than others.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5199FDD0CA13" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5199FE4FC9B0" box="[197,437,1472,1497]" italics="true" pageId="41" pageNumber="42">Pereopods II and III</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344502FFFE6FE5B5199FDE7C9B3" box="[453,541,1472,1498]" captionStart="TABLE 1" captionStartId="16.[151,241,151,175]" captionText="TABLE 1. Comparison of various ratios from the undifferentiated anterior pereopods (II and III) among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="41" pageNumber="42">Table 1</tableCitation>
|
||
). Pereopod II propodus with 6 broad-based setae, setae 0.20–0.33 propodus length; carpus with 6 broad-based setae along ventral margin, setae up to 0.43 carpus length. Pereopod III propodus with 8 broad-based setae along ventral margin and one lateral, setae up to 0.22 propodus length; carpus with 8 broad-based setae, generally evenly spaced along ventral margin, second to fourth setae more closely set, setae up to 0.44 carpus length.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B52D1FE9ACAA3" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B52D1FEA3CAC8" box="[197,345,1672,1697]" italics="true" pageId="41" pageNumber="42">Pereopod IV</emphasis>
|
||
dactylus distal accessory claw length 0.33 primary claw length. Ischium posterodistal margin with 6 or 7 setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5281FC26CA9B" blockId="41.[151,1437,152,2018]" box="[197,988,1752,1778]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5281FE6CCA98" box="[197,406,1752,1777]" italics="true" pageId="41" pageNumber="42">Pereopods V–VII.</emphasis>
|
||
Consult
|
||
<tableCitation id="C6E90344502FFFE6FD9E5281FDADCA9B" box="[512,599,1752,1778]" captionStart="TABLE 2" captionStartId="17.[151,241,762,786]" captionText="TABLE 2. Comparison of various ratios from the posterior pereopods (V–VII) among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="41" pageNumber="42">Table 2</tableCitation>
|
||
for comparison with male ratios.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B5359FF25CBFB" blockId="41.[151,1437,152,2018]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B5359FEC8CB70" box="[197,306,1792,1817]" italics="true" pageId="41" pageNumber="42">Pleopods</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344502FFFE6FEDF5359FE61CB73" box="[321,411,1792,1818]" captionStart="TABLE 3" captionStartId="18.[151,241,980,1004]" captionText="TABLE 3. Comparison of various pleopod I–V ratios among the six Mesamphisopus species described herein. Ratios for males (M) and females (F) are indicated separately. Missing data are indicated by “n.d.”" pageId="41" pageNumber="42">Table 3</tableCitation>
|
||
). Endopod I margin with single PS. Protopods mesial epipod IV with 4 coupling hooks; mesial epipods II–V with 5, 8, 8 and 7 elongate inflexible SS, respectively. Protopod lateral margin of pleopod I with fine elongate seta; lateral epipods III–V with 21, 26 and 26 elongate inflexible SS on margins, respectively.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502FFFE6FF5B53F9FC43CBD3" blockId="41.[151,1437,152,2018]" box="[197,953,1952,1978]" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B53F9FEE5CBD0" box="[197,287,1952,1977]" italics="true" pageId="41" pageNumber="42">Uropod</emphasis>
|
||
protopod dorsomesial ridge length:endopod length 0.61.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574502FFFE5FF5B539EFC23CD6B" lastPageId="42" lastPageNumber="43" pageId="41" pageNumber="42" type="distribution">
|
||
<paragraph id="8BD436FF502FFFE5FF5B539EFC23CD6B" blockId="41.[151,1437,152,2018]" lastBlockId="42.[151,1436,152,1458]" lastPageId="42" lastPageNumber="43" pageId="41" pageNumber="42">
|
||
<emphasis id="B91FEAED502FFFE6FF5B539EFE9CCB88" bold="true" box="[197,358,1991,2017]" pageId="41" pageNumber="42">Distribution.</emphasis>
|
||
Known only from the above localities, possibly distributed across the temporary wetlands of the Agulhas Plain. The
|
||
<typeStatus id="54D0885D502CFFE5FE4C54C1FDFECCDB" box="[466,516,152,178]" pageId="42" pageNumber="43">type</typeStatus>
|
||
locality is a fairly extensive wetland, now inundated pastural land, along the Elim-Struisbaai Road. The water was relatively deep (
|
||
<quantity id="4C939B1A502CFFE5FC8A5499FC9ACCB3" box="[788,864,192,218]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="42" pageNumber="43" unit="cm" value="40.0">40 cm</quantity>
|
||
) and tannin-stained. The area was dominated by grass and
|
||
<taxonomicName id="4C6B4D7C502CFFE5FE9254B1FEAFCD68" box="[268,341,232,257]" class="Liliopsida" family="Restionaceae" genus="Restio" kingdom="Animalia" order="Poales" pageId="42" pageNumber="43" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="B91FEAED502CFFE5FE9254B1FEAFCD68" box="[268,341,232,257]" italics="true" pageId="42" pageNumber="43">Restio</emphasis>
|
||
</taxonomicName>
|
||
. Isopods were primarily taken directly beneath shrubs.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574502CFFE5FF5B5556FA62C9DB" pageId="42" pageNumber="43" type="discussion">
|
||
<paragraph id="8BD436FF502CFFE5FF5B5556FEADCE2B" blockId="42.[151,1436,152,1458]" pageId="42" pageNumber="43">
|
||
<emphasis id="B91FEAED502CFFE5FF5B5556FEC4CD40" bold="true" box="[197,318,271,297]" pageId="42" pageNumber="43">Remarks.</emphasis>
|
||
<taxonomicName id="4C6B4D7C502CFFE5FEDB5549FD7ACD40" authorityName="Gouws" authorityYear="2008" box="[325,640,272,297]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FEDB5549FD7ACD40" box="[325,640,272,297]" italics="true" pageId="42" pageNumber="43">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
is distinguished from all known species in the genus by the shape of the pleotelson.
|
||
<taxonomicName id="4C6B4D7C502CFFE5FECF5561FD75CD38" authorityName="Gouws" authorityYear="2008" box="[337,655,312,337]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FECF5561FD75CD38" box="[337,655,312,337]" italics="true" pageId="42" pageNumber="43">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
has a characteristic, elongate, shallow pleotelson, with a dorsal margin that curves smoothly or extends almost linearly, rather than being sharply inflected ventrally (see
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FAF65539FEE9CDCB" author="Barnard, K. H." pageId="42" pageNumber="43" pagination="139 - 215" refId="ref28953" refString="Barnard, K. H. (1927) A study of the freshwater isopodan and amphipodan Crustacea of South Africa. Transactions of the Royal Society of South Africa, 14, 139 - 215." type="journal article" year="1927">Barnard 1927</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FEBD55D1FE34CDCB" author="Nicholls, G. E." box="[291,462,392,418]" pageId="42" pageNumber="43" pagination="1 - 145" refId="ref29765" refString="Nicholls, G. E. (1943) The Phreatoicoidea. Part I. The Amphisopidae. Papers and Proceedings of the Royal Society of Tasmania, 1942, 1 - 145." type="journal article" year="1943">Nicholls 1943</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FE4055D1FD7DCDCB" author="Kensley, B." box="[478,647,392,418]" pageId="42" pageNumber="43" pagination="50 - 74" refId="ref29517" refString="Kensley, B. (2001) Isopoda. In: Day, J. A., Stewart, B. A., De Moor, I. J. & Louw, A. E. (Eds) Guides to the freshwater invertebrates of southern Africa. Volume 4: Crustacea III. Bathynellacea, Amphipoda, Isopoda, Spelaeogriphacea, Tanaidacea, Decapoda, Water Research Commission, Pretoria, 50 - 74." type="book chapter" year="2001">Kensley 2001</bibRefCitation>
|
||
). The posterior apex of the pleotelson is thus not reflexed or upturned. The apex in
|
||
<taxonomicName id="4C6B4D7C502CFFE5FE1755E9FDC1CDA0" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[393,571,432,457]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED502CFFE5FE1755E9FDC1CDA0" box="[393,571,432,457]" italics="true" pageId="42" pageNumber="43">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
has been reported as not being up-turned (
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FBA055E9FB10CDA3" author="Nicholls, G. E." box="[1086,1258,432,458]" pageId="42" pageNumber="43" pagination="1 - 145" refId="ref29765" refString="Nicholls, G. E. (1943) The Phreatoicoidea. Part I. The Amphisopidae. Papers and Proceedings of the Royal Society of Tasmania, 1942, 1 - 145." type="journal article" year="1943">Nicholls 1943</bibRefCitation>
|
||
), but the sharp ventral inflection and downward slope of the dorsal margin (see
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FC185581FBD5CD9B" author="Nicholls, G. E." box="[902,1071,472,498]" pageId="42" pageNumber="43" pagination="1 - 145" refId="ref29765" refString="Nicholls, G. E. (1943) The Phreatoicoidea. Part I. The Amphisopidae. Papers and Proceedings of the Royal Society of Tasmania, 1942, 1 - 145." type="journal article" year="1943">Nicholls 1943</bibRefCitation>
|
||
:
|
||
<figureCitation id="13502A7A502CFFE5FBA45581FB4BCD9B" box="[1082,1201,472,498]" captionStart="FIGURE 10" captionStartId="30.[151,255,1899,1923]" captionTargetBox="[177,1360,202,1866]" captionTargetId="figure-76@30.[151,1436,194,1889]" captionTargetPageId="30" captionText="FIGURE 10. Mesamphisopus kensleyi n. sp. A–J, dissected male paratype. A, left mandible; B, left mandibular palp; C, left mandible spine row; D, right mandible; E, right mandible incisor process and spine row; F, right mandibular palp; G, maxillula, with enlarged view of lateral lobe distal margin; H, maxilla; I, maxilliped, ventral view; J, maxilliped, dorsal view." pageId="42" pageNumber="43">
|
||
Fig.
|
||
<geoCoordinate id="EE5F5038502CFFE5FBF15581FB4BCD9B" box="[1135,1201,472,498]" degrees="10.3" direction="south" orientation="latitude" pageId="42" pageNumber="43" precision="5555" value="-10.3">10.3s</geoCoordinate>
|
||
</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FB235581FA99CD9B" author="Kensley, B." box="[1213,1379,472,498]" pageId="42" pageNumber="43" pagination="50 - 74" refId="ref29517" refString="Kensley, B. (2001) Isopoda. In: Day, J. A., Stewart, B. A., De Moor, I. J. & Louw, A. E. (Eds) Guides to the freshwater invertebrates of southern Africa. Volume 4: Crustacea III. Bathynellacea, Amphipoda, Isopoda, Spelaeogriphacea, Tanaidacea, Decapoda, Water Research Commission, Pretoria, 50 - 74." type="book chapter" year="2001">Kensley 2001</bibRefCitation>
|
||
:
|
||
<figureCitation id="13502A7A502CFFE5FAF05581FF33CE73" captionStart="FIGURE 3" captionStartId="13.[151,255,1006,1030]" captionTargetBox="[264,1323,187,974]" captionTargetId="figure-373@13.[258,1329,178,982]" captionTargetPageId="13" captionText="FIGURE 3. Mesamphisopus albidus n. sp. A–G, dissected male specimen (AM P67144). A, pereopod II; B, pereopod III; C, pereopod IV; D, pereopod V; E, pereopod VI; F, pereopod VII; G, uropod." pageId="42" pageNumber="43">Fig. 3.8a</figureCitation>
|
||
) gives the pleotelson of this species a short, deep or stubby (rather than elongate and shallow) appearance (
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FF015671FEB0CE2B" author="Nicholls, G. E." box="[159,330,552,578]" pageId="42" pageNumber="43" pagination="1 - 145" refId="ref29765" refString="Nicholls, G. E. (1943) The Phreatoicoidea. Part I. The Amphisopidae. Papers and Proceedings of the Royal Society of Tasmania, 1942, 1 - 145." type="journal article" year="1943">Nicholls 1943</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502CFFE5FF5B5609FB60CF33" blockId="42.[151,1436,152,1458]" pageId="42" pageNumber="43">
|
||
The setation of the pleopodal endopods of
|
||
<taxonomicName id="4C6B4D7C502CFFE5FD5C5609FC9BCE00" authorityName="Gouws" authorityYear="2008" box="[706,865,592,617]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FD5C5609FC9BCE00" box="[706,865,592,617]" italics="true" pageId="42" pageNumber="43">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
is also unique within
|
||
<taxonomicName id="4C6B4D7C502CFFE5FBF75609FADCCE00" authorityName=": Nicholls" authorityYear="1943" box="[1129,1318,592,617]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91FEAED502CFFE5FBF75609FADCCE00" box="[1129,1318,592,617]" italics="true" pageId="42" pageNumber="43">Mesamphisopus</emphasis>
|
||
</taxonomicName>
|
||
, although the pleopods of
|
||
<taxonomicName id="4C6B4D7C502CFFE5FECA5621FDFECEF8" baseAuthorityName="Kensley" baseAuthorityYear="2001" box="[340,516,632,657]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="penicillatus">
|
||
<emphasis id="B91FEAED502CFFE5FECA5621FDFECEF8" box="[340,516,632,657]" italics="true" pageId="42" pageNumber="43">M. penicillatus</emphasis>
|
||
</taxonomicName>
|
||
have yet to be examined. In
|
||
<taxonomicName id="4C6B4D7C502CFFE5FCC45621FC02CEF8" authorityName="Gouws" authorityYear="2008" box="[858,1016,632,657]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FCC45621FC02CEF8" box="[858,1016,632,657]" italics="true" pageId="42" pageNumber="43">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
, setae are present only on pleopods I and II (plumose on both) in the male and pleopod I (also plumose) in the female. The occurrence of setae on all five pleopodal endopods has been regarded as a key diagnostic feature of the genus (
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FB0B5691FAC4CE8B" author="Nicholls, G. E." box="[1173,1342,712,738]" pageId="42" pageNumber="43" pagination="1 - 145" refId="ref29765" refString="Nicholls, G. E. (1943) The Phreatoicoidea. Part I. The Amphisopidae. Papers and Proceedings of the Royal Society of Tasmania, 1942, 1 - 145." type="journal article" year="1943">Nicholls 1943</bibRefCitation>
|
||
; but see Discussion). No further evidence, at this stage, suggests that
|
||
<taxonomicName id="4C6B4D7C502CFFE5FCF756A9FBF2CF60" authorityName="Gouws" authorityYear="2008" box="[873,1032,752,777]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FCF756A9FBF2CF60" box="[873,1032,752,777]" italics="true" pageId="42" pageNumber="43">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
be excluded from the genus. This rather suggests that the pattern of pleopodal setation may not be a valid generic character and argues for a reexamination of the characters believed to be of systematic importance within the genus.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502CFFE5FF5B5731FC4AC8F3" blockId="42.[151,1436,152,1458]" pageId="42" pageNumber="43">
|
||
Further distinctive features of
|
||
<taxonomicName id="4C6B4D7C502CFFE5FDAE5731FD35CFE8" authorityName="Gouws" authorityYear="2008" box="[560,719,872,897]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FDAE5731FD35CFE8" box="[560,719,872,897]" italics="true" pageId="42" pageNumber="43">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
include an antennula with ten articles, reaching one-quarter the body length, and an antenna reaching four-fifths the body length. These are the longest observed within
|
||
<taxonomicName id="4C6B4D7C502CFFE5FF0957E1FEAECFB8" authorityName=": Nicholls" authorityYear="1943" box="[151,340,952,977]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91FEAED502CFFE5FF0957E1FEAECFB8" box="[151,340,952,977]" italics="true" pageId="42" pageNumber="43">Mesamphisopus</emphasis>
|
||
</taxonomicName>
|
||
. The appendix masculina is, relatively, the shortest within the genus, not extending to the distal margin of the endopod. In other species, the appendix maculina is described or figured as reaching the distal margin of the endopod (
|
||
<taxonomicName id="4C6B4D7C502CFFE5FE445051FD71C848" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[474,651,1032,1057]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED502CFFE5FE445051FD71C848" box="[474,651,1032,1057]" italics="true" pageId="42" pageNumber="43">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FD055051FCD0C848" authorityName="Gouws" authorityYear="2008" box="[667,810,1032,1057]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED502CFFE5FD055051FCD0C848" box="[667,810,1032,1057]" italics="true" pageId="42" pageNumber="43">M. baccatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FCA45051FC2EC848" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[826,980,1032,1057]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED502CFFE5FCA45051FC2EC848" box="[826,980,1032,1057]" italics="true" pageId="42" pageNumber="43">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FC7A5051FB62C848" authorityName="Gouws" authorityYear="2008" box="[996,1176,1032,1057]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED502CFFE5FC7A5051FB62C848" box="[996,1176,1032,1057]" italics="true" pageId="42" pageNumber="43">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
) or extending beyond it (
|
||
<taxonomicName id="4C6B4D7C502CFFE5FF265069FECFC820" authorityName="Gouws" authorityYear="2008" box="[184,309,1072,1097]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="albidus">
|
||
<emphasis id="B91FEAED502CFFE5FF265069FECFC820" box="[184,309,1072,1097]" italics="true" pageId="42" pageNumber="43">M. albidus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FEDA5069FE2AC820" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[324,464,1072,1097]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED502CFFE5FEDA5069FE2AC820" box="[324,464,1072,1097]" italics="true" pageId="42" pageNumber="43">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FE415069FD9EC820" authorityName="Gouws" authorityYear="2008" box="[479,612,1072,1097]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="kensleyi">
|
||
<emphasis id="B91FEAED502CFFE5FE415069FD9EC820" box="[479,612,1072,1097]" italics="true" pageId="42" pageNumber="43">M. kensleyi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C502CFFE5FDED5069FD15C820" authorityName="Gouws" authorityYear="2008" box="[627,751,1072,1097]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="setosus">
|
||
<emphasis id="B91FEAED502CFFE5FDED5069FD15C820" box="[627,751,1072,1097]" italics="true" pageId="42" pageNumber="43">M. setosus</emphasis>
|
||
</taxonomicName>
|
||
). More broad-based setae are also encountered on the carpus and propodus of pereopods II–IV than in other species. These setae are, however, not as stout as those in other species, and are scarcely stouter than other setae on the limbs.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502CFFE5FF5B50F1FDD0C90B" blockId="42.[151,1436,152,1458]" pageId="42" pageNumber="43">
|
||
<taxonomicName id="4C6B4D7C502CFFE5FF5B50F1FDFBC8A8" authorityName="Gouws" authorityYear="2008" box="[197,513,1192,1217]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED502CFFE5FF5B50F1FDFBC8A8" box="[197,513,1192,1217]" italics="true" pageId="42" pageNumber="43">Mesamphisopus paludosus</emphasis>
|
||
</taxonomicName>
|
||
is most similar to
|
||
<taxonomicName id="4C6B4D7C502CFFE5FD7E50F1FC6AC8A8" baseAuthorityName="Kensley" baseAuthorityYear="2001" box="[736,912,1192,1217]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="penicillatus">
|
||
<emphasis id="B91FEAED502CFFE5FD7E50F1FC6AC8A8" box="[736,912,1192,1217]" italics="true" pageId="42" pageNumber="43">M. penicillatus</emphasis>
|
||
</taxonomicName>
|
||
, both sharing the sparse, short, fine setation of the head, pereon and pleotelson, the abundant and diagnostic fine setation of the ventral margin of the antennal basal articles, and the presence of a pair of sub-apical dorsal robust setae on the pleotelson (
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FAA250A1FF2FC953" author="Barnard, K. H." pageId="42" pageNumber="43" pagination="381 - 543" refId="ref28990" refString="Barnard, K. H. (1940) Contributions to the crustacean fauna of South Africa. XII. Further additions to the Tanaidacea, Isopoda, and Amphipoda, together with keys for the identification of the hitherto recorded marine and fresh-water species. Annals of the South African Museum, 32, 381 - 543." type="journal article" year="1940">Barnard 1940</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFFA4B0E502CFFE5FF7A5179FE74C953" author="Kensley, B." box="[228,398,1312,1338]" pageId="42" pageNumber="43" pagination="50 - 74" refId="ref29517" refString="Kensley, B. (2001) Isopoda. In: Day, J. A., Stewart, B. A., De Moor, I. J. & Louw, A. E. (Eds) Guides to the freshwater invertebrates of southern Africa. Volume 4: Crustacea III. Bathynellacea, Amphipoda, Isopoda, Spelaeogriphacea, Tanaidacea, Decapoda, Water Research Commission, Pretoria, 50 - 74." type="book chapter" year="2001">Kensley 2001</bibRefCitation>
|
||
). The difference in pleotelson shape should, however, enable the species to be distinguished relatively unambiguously.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF502CFFE5FF5B5129FA62C9DB" blockId="42.[151,1436,152,1458]" pageId="42" pageNumber="43">A completely developed appendix masculina was observed arising from the mesial margin of the endopod of the right pleopod I in one dissected male: a developmental abnormality rather than a feature of the species.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |