456 lines
65 KiB
XML
456 lines
65 KiB
XML
<document id="A3EC85ADED991887BD9D7C1B1F7951E0" 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="03C287E95034FFF6FF095076FCB5CD13" 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 tsitsikamma Gouws 2008, n. sp." docType="treatment" docVersion="2" lastPageNumber="58" masterDocId="FFFBFF915006FFCFFF9E5459FFFACC69" masterDocTitle="New species of Mesamphisopus, an endemic South African freshwater isopod genus (Isopoda: Phreatoicidea: Mesamphisopidae)" masterLastPageNumber="62" masterPageNumber="1" pageNumber="51" updateTime="1699010168584" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:titleInfo id="19F536C6401C8156535760A33512807C">
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<mods:title id="7960A69F69514828727A2B689F62975C">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="380F37402CED59AD7BD3AC20E342B8E9" type="personal">
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<mods:role id="A235E424AB88CD0EDBE95A0DAC3D1BEF">
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<mods:roleTerm id="DECA50024D29E95A1D24D30AF3BCE48B">Author</mods:roleTerm>
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<mods:namePart id="306EB8A05CEE90DDFD79E9206112AA00">Gouws, Gavin</mods:namePart>
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<mods:typeOfResource id="5AB2BC301A1E07E96149C5BA9390403A">text</mods:typeOfResource>
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<mods:titleInfo id="45946644E89B45C8074829327ED8AAFA">
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<mods:title id="ABCA84051EB02E0DD3435D269663BC12">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="7CF0E4549E98E32A68B79D51B7FB5ABD">
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<mods:date id="904590EB9C48425ECD56C5787A6F35C4">2008</mods:date>
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<mods:detail id="E2A6447060308DB738BE3168D7858029" type="pubDate">
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<mods:number id="C768CDCD9CB8150D9A7B566100851E21">2008-01-25</mods:number>
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</mods:detail>
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<mods:detail id="DCD5FA2EB0F21DF5418768314194A259" type="volume">
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<mods:number id="60E3A856710F605D408AD6E53C20F826">1690</mods:number>
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</mods:detail>
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<mods:extent id="C9EB7E55C681CD7FA5276C2FCDD7BBAF" unit="page">
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<mods:start id="766118D91AD07F5A3C18D1F06ED5AD28">1</mods:start>
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<mods:end id="DDEC71AB098E9EF866F9556DAF21609F">62</mods:end>
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</mods:part>
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<mods:classification id="ED4BA90B46F6C80B7BE7CD30C08E480B">journal article</mods:classification>
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<mods:identifier id="1DEE53EF021EF0C8426DA1A2A7957987" type="ISSN">11755334</mods:identifier>
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</mods:mods>
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<treatment id="03C287E95034FFF6FF095076FCB5CD13" LSID="urn:lsid:plazi:treatment:03C287E95034FFF6FF095076FCB5CD13" httpUri="http://treatment.plazi.org/id/03C287E95034FFF6FF095076FCB5CD13" lastPageId="57" lastPageNumber="58" pageId="50" pageNumber="51">
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<subSubSection id="C37165745034FFFDFF095076FDC1C820" box="[151,571,1071,1097]" pageId="50" pageNumber="51" type="nomenclature">
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<paragraph id="8BD436FF5034FFFDFF095076FDC1C820" blockId="50.[151,571,1071,1132]" box="[151,571,1071,1097]" pageId="50" pageNumber="51">
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<heading id="D09C81935034FFFDFF095076FDC1C820" bold="true" box="[151,571,1071,1097]" fontSize="11" level="1" pageId="50" pageNumber="51" reason="1">
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<emphasis id="B91FEAED5034FFFDFF095076FDC1C820" bold="true" box="[151,571,1071,1097]" pageId="50" pageNumber="51">
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<taxonomicName id="4C6B4D7C5034FFFDFF095076FE08C820" ID-CoL="3ZXQC" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[151,498,1071,1097]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="50" pageNumber="51" phylum="Arthropoda" rank="species" species="tsitsikamma" status="sp. nov.">
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<emphasis id="B91FEAED5034FFFDFF095076FE08C820" bold="true" box="[151,498,1071,1097]" italics="true" pageId="50" pageNumber="51">Mesamphisopus tsitsikamma</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22C57965034FFFDFE675076FDC1C820" box="[505,571,1071,1097]" pageId="50" pageNumber="51" 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="C37165745034FFFDFF09500BFEC5C805" box="[151,319,1106,1132]" pageId="50" pageNumber="51" type="description">
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<paragraph id="8BD436FF5034FFFDFF09500BFEC5C805" blockId="50.[151,571,1071,1132]" box="[151,319,1106,1132]" pageId="50" pageNumber="51">
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<figureCitation id="13502A7A5034FFFDFF09500BFEC5C805" box="[151,319,1106,1132]" captionStart-0="FIGURE 21" captionStart-1="FIGURE 22" captionStart-2="FIGURE 23" captionStart-3="FIGURE 24" captionStartId-0="51.[151,255,1930,1954]" captionStartId-1="52.[151,255,1872,1896]" captionStartId-2="53.[151,255,1081,1105]" captionStartId-3="54.[151,255,1883,1907]" captionTargetBox-0="[181,1412,199,1882]" captionTargetBox-1="[197,1385,197,1834]" captionTargetBox-2="[249,1340,203,1047]" captionTargetBox-3="[161,1418,198,1852]" captionTargetId-0="figure-56@51.[151,1436,134,1952]" captionTargetId-1="figure-98@52.[168,1422,132,1905]" captionTargetId-2="figure-308@53.[239,1347,194,1057]" captionTargetId-3="figure-43@54.[151,1436,134,1952]" captionTargetPageId-0="51" captionTargetPageId-1="52" captionTargetPageId-2="53" captionTargetPageId-3="54" captionText-0="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." captionText-1="FIGURE 22. Mesamphisopus tsitsikamma n. sp. A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view." captionText-2="FIGURE 23. Mesamphisopus tsitsikamma n. sp. A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." captionText-3="FIGURE 24. Mesamphisopus tsitsikamma n. sp. A–E, dissected male paratype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V." pageId="50" pageNumber="51">Figures 21–24</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37165745034FFFDFF0950FBFEA3C9ED" pageId="50" pageNumber="51" type="materials_examined">
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<paragraph id="8BD436FF5034FFFDFF0950FBFA8EC88D" blockId="50.[151,1436,1186,2012]" pageId="50" pageNumber="51">
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<emphasis id="B91FEAED5034FFFDFF0950FBFE74C8D5" bold="true" box="[151,398,1186,1212]" pageId="50" pageNumber="51">Material examined.</emphasis>
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<materialsCitation id="3B033CA25034FFFDFE0750FBFA8EC88D" accessionNumber="A45154" collectingDate="2000-02-21" collectionCode="SAM, R" collectorName="Daniels & G. Gouws" country="South Africa" latitude="-33.96583" location="Tsitsikamma forest" longLatPrecision="11" longitude="23.896667" pageId="50" pageNumber="51" specimenCount="1" specimenCount-male="1" stateProvince="Eastern Cape" typeStatus="holotype">
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<emphasis id="B91FEAED5034FFFDFE0750FBFDEEC8D5" bold="true" box="[409,532,1186,1212]" pageId="50" pageNumber="51">
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<typeStatus id="54D0885D5034FFFDFE0750FBFDF5C8D5" box="[409,527,1186,1212]" pageId="50" pageNumber="51" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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<collectionCode id="ED7AAE3A5034FFFDFD8150FBFDA4C8D5" box="[543,606,1186,1212]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="50" pageNumber="51">SAM</collectionCode>
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A45154,
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<specimenCount id="9D6DFD765034FFFDFD4750FBFD17C8DF" box="[729,749,1186,1206]" pageId="50" pageNumber="51" type="male">♂</specimenCount>
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(
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<quantity id="4C939B1A5034FFFDFD6150FBFC8AC8D5" box="[767,880,1186,1212]" metricMagnitude="-2" metricUnit="m" metricValue="1.02" pageId="50" pageNumber="51" unit="mm" value="10.2">10.2 mm</quantity>
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), stream near “Big Tree”,
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<location id="8EB460245034FFFDFB2C50FBFA62C8D5" LSID="urn:lsid:plazi:treatment:03C287E95034FFF6FF095076FCB5CD13:8EB460245034FFFDFB2C50FBFA62C8D5" box="[1202,1432,1186,1212]" country="South Africa" latitude="-33.96583" longLatPrecision="11" longitude="23.896667" name="Tsitsikamma forest" pageId="50" pageNumber="51" stateProvince="Eastern Cape">Tsitsikamma forest</location>
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,
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<collectingRegion id="49AFF81D5034FFFDFF095093FECFC88D" box="[151,309,1226,1252]" country="South Africa" name="Eastern Cape" pageId="50" pageNumber="51">Eastern Cape</collectingRegion>
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,
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<collectingCountry id="F37C766F5034FFFDFEDF5093FE2DC88D" box="[321,471,1226,1252]" name="South Africa" pageId="50" pageNumber="51">South Africa</collectingCountry>
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(
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<geoCoordinate id="EE5F50385034FFFDFE795093FD97C88D" box="[487,621,1226,1252]" degrees="33" direction="south" minutes="57.95" orientation="latitude" pageId="50" pageNumber="51" precision="9" value="-33.96583">33°57.95’S</geoCoordinate>
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<geoCoordinate id="EE5F50385034FFFDFDEB5093FD05C88D" box="[629,767,1226,1252]" degrees="23" direction="east" minutes="53.80" orientation="longitude" pageId="50" pageNumber="51" precision="9" value="23.896667">23°53.80’E</geoCoordinate>
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), coll. S.
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<collectionCode id="ED7AAE3A5034FFFDFCFA5093FC87C88D" box="[868,893,1226,1252]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="50" pageNumber="51">R</collectionCode>
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.
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<collectorName id="269E53295034FFFDFC165093FC1BC88D" box="[904,993,1226,1252]" pageId="50" pageNumber="51">Daniels</collectorName>
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and
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<collectorName id="269E53295034FFFDFB855093FB6BC88D" box="[1051,1169,1226,1252]" pageId="50" pageNumber="51">G. Gouws</collectorName>
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,
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<date id="FFD5103F5034FFFDFB025093FA8AC88D" box="[1180,1392,1226,1252]" pageId="50" pageNumber="51" value="2000-02-21">
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<collectingDate id="EF91E9D75034FFFDFB025093FA8AC88D" box="[1180,1392,1226,1252]" pageId="50" pageNumber="51" value="2000-02-21">21 February 2000</collectingDate>
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</date>
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||
.
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</materialsCitation>
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</paragraph>
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<paragraph id="8BD436FF5034FFFDFF5850ABFCA6C95D" blockId="50.[151,1436,1186,2012]" pageId="50" pageNumber="51">
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<materialsCitation id="3B033CA25034FFFDFF5850ABFCA2C95D" accessionNumber="A44935" collectionCode="SAM" pageId="50" pageNumber="51" specimenCount="5" specimenCount-female="1" specimenCount-male="4" typeStatus="paratype">
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||
<emphasis id="B91FEAED5034FFFDFF5850ABFEB7C965" bold="true" box="[198,333,1266,1292]" pageId="50" pageNumber="51">
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<typeStatus id="54D0885D5034FFFDFF5850ABFEB2C965" box="[198,328,1266,1292]" pageId="50" pageNumber="51" type="paratype">Paratypes</typeStatus>
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||
:
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</emphasis>
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||
<collectionCode id="ED7AAE3A5034FFFDFEC550ABFE60C965" box="[347,410,1266,1292]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="50" pageNumber="51">SAM</collectionCode>
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||
A44935,
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<specimenCount id="9D6DFD765034FFFDFD8250ABFDCAC96F" box="[540,560,1266,1286]" pageId="50" pageNumber="51" type="male">♂</specimenCount>
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||
(
|
||
<quantity id="4C939B1A5034FFFDFDD850ABFD43C965" box="[582,697,1266,1292]" metricMagnitude="-2" metricUnit="m" metricValue="1.1099999999999999" pageId="50" pageNumber="51" unit="mm" value="11.1">11.1 mm</quantity>
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||
, dissected) and
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||
<specimenCount id="9D6DFD765034FFFDFC1B50ABFC63C96F" box="[901,921,1266,1286]" pageId="50" pageNumber="51" type="female">♀</specimenCount>
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||
(preparatory
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||
<quantity id="4C939B1A5034FFFDFBD850ABFB52C965" box="[1094,1192,1266,1292]" metricMagnitude="-3" metricUnit="m" metricValue="8.9" pageId="50" pageNumber="51" unit="mm" value="8.9">8.9 mm</quantity>
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||
, dissected) parts in microvials, additional
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<specimenCount id="9D6DFD765034FFFDFE005143FE32C947" box="[414,456,1306,1332]" pageId="50" pageNumber="51" type="male">3 ♂</specimenCount>
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||
, collection details as for
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<typeStatus id="54D0885D5034FFFDFD705143FCA2C95D" box="[750,856,1306,1332]" pageId="50" pageNumber="51" type="holotype">holotype</typeStatus>
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||
</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="8BD436FF5034FFFDFF58511BFEA3C9ED" blockId="50.[151,1436,1186,2012]" pageId="50" pageNumber="51">
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||
<emphasis id="B91FEAED5034FFFDFF58511BFE71C935" bold="true" box="[198,395,1346,1372]" pageId="50" pageNumber="51">Other material:</emphasis>
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<materialsCitation id="3B033CA25034FFFDFE0D511BFEAEC9ED" accessionNumber="A40957" collectingDate="1992-12" collectionCode="SAM" collectorName="C. L. Griffiths" location="Storms River Forest" pageId="50" pageNumber="51" specimenCount="1">
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||
<collectionCode id="ED7AAE3A5034FFFDFE0D511BFE28C935" box="[403,466,1346,1372]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="50" pageNumber="51">SAM</collectionCode>
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||
A40957, near “Big Tree” on N2 freeway,
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<location id="8EB460245034FFFDFC5F511BFB55C935" LSID="urn:lsid:plazi:treatment:03C287E95034FFF6FF095076FCB5CD13:8EB460245034FFFDFC5F511BFB55C935" box="[961,1199,1346,1372]" name="Storms River Forest" pageId="50" pageNumber="51">Storms River Forest</location>
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||
, coll.
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<collectorName id="269E53295034FFFDFB6B511BFA6DC935" box="[1269,1431,1346,1372]" pageId="50" pageNumber="51">C.L. Griffiths</collectorName>
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||
,
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<date id="FFD5103F5034FFFDFF095133FEAEC9ED" box="[151,340,1386,1412]" pageId="50" pageNumber="51" value="1992-12">
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||
<collectingDate id="EF91E9D75034FFFDFF095133FEAEC9ED" box="[151,340,1386,1412]" pageId="50" pageNumber="51" value="1992-12">December 1992</collectingDate>
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||
</date>
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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="C37165745034FFFDFF5851CBFF35C995" pageId="50" pageNumber="51" type="etymology">
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||
<paragraph id="8BD436FF5034FFFDFF5851CBFF35C995" blockId="50.[151,1436,1186,2012]" pageId="50" pageNumber="51">
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||
<emphasis id="B91FEAED5034FFFDFF5851CBFEA9C9C5" bold="true" box="[198,339,1426,1452]" pageId="50" pageNumber="51">Etymology.</emphasis>
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The epithet (a noun in apposition) is the Khoi-San name, “Tsitsikamma” (place of many waters), for the area of temperate forest along the South African south coast in which the
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<typeStatus id="54D0885D5034FFFDFB2D51E3FB1FC9BD" box="[1203,1253,1466,1492]" pageId="50" pageNumber="51">type</typeStatus>
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locality is situated.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C37165745034FFF7FF585253FB5AC953" lastPageId="56" lastPageNumber="57" pageId="50" pageNumber="51" type="diagnosis">
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||
<paragraph id="8BD436FF5034FFFDFF585253FABCCBB5" blockId="50.[151,1436,1186,2012]" pageId="50" pageNumber="51">
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||
<emphasis id="B91FEAED5034FFFDFF585253FEBCCA4D" bold="true" box="[198,326,1546,1572]" pageId="50" pageNumber="51">Diagnosis.</emphasis>
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||
Mandibular groove smoothly indented. Pereon width in dorsal view near head width. Pleonites 2 and 3 lengths in dorsal view less than half the length of pleonite 5, pleonite 4 more than half the length of pleonite 5; 1–4 width 0.89 composite length in dorsal view; 1–5 dorsal length:maximum width of pleonites 1– 5 respectively 0.32, 0.28, 0.34, 0.32 and 0.31. Pleonites deep, pleonites 1–5 depth:pereonite 7 depth respectively 1.60, 2.35, 2.73, 2.79 and 2.40. Pleotelson dorsal length 1.15–1.35 width; depth 2.02 pereonite 7 depth; ventral margin anterior to uropods with single row of 4 simple RS; lateral uropodal ridge curving strongly and extending posteriorly from uropods on pleotelson margin; posterior apex with 2 pairs of RS and 1 subapical pair dorsally. Antennula distal articles oval in cross-section. Mandibular palp article 3 with 9–11 smooth setae. Maxillula mesial lobe width 0.64–0.80 lateral lobe width. Maxilla mesial lobe wider (1.08–1.11) than outer lateral lobe; outer lateral lobe width subequal to inner lateral lobe; few long bidenticulate setae on distal margins of inner (9 or 10) and outer (9–13) lateral lobes. Maxilliped palp insertion on basis ventral surface with 7 subdistal elongate SS. Pereopod I propodal palm with 5 stout denticulate bifid setae, 5 basally-inflated
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||
</paragraph>
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||
<caption id="DF1466775035FFFCFF0953D3FCF0CB8F" pageId="51" pageNumber="52" startId="51.[151,255,1930,1954]" targetBox="[181,1412,199,1882]" targetPageId="51">
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||
<paragraph id="8BD436FF5035FFFCFF0953D3FCF0CB8F" blockId="51.[151,1436,1930,2022]" pageId="51" pageNumber="52">
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||
<emphasis id="B91FEAED5035FFFCFF0953D3FEDDCBCB" bold="true" box="[151,295,1930,1954]" pageId="51" pageNumber="52">FIGURE 21.</emphasis>
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||
<taxonomicName id="4C6B4D7C5035FFFCFEB353D3FDA5CBC8" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[301,607,1930,1953]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="51" pageNumber="52" phylum="Arthropoda" rank="species" species="tsitsikamma" status="sp. nov.">
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||
<emphasis id="B91FEAED5035FFFCFEB353D3FDA5CBC8" box="[301,607,1930,1953]" italics="true" pageId="51" pageNumber="52">Mesamphisopus tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5035FFFCFDF853D3FD58CBCB" bold="true" box="[614,674,1930,1954]" pageId="51" pageNumber="52">
|
||
<taxonomicNameLabel id="A22C57965035FFFCFDF853D3FD58CBCB" box="[614,674,1930,1954]" pageId="51" pageNumber="52" rank="species">n. sp.</taxonomicNameLabel>
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||
</emphasis>
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||
A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male).
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||
</paragraph>
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||
</caption>
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||
<caption id="DF1466775032FFFBFF095309FE5ACB9B" pageId="52" pageNumber="53" startId="52.[151,255,1872,1896]" targetBox="[197,1385,197,1834]" targetPageId="52">
|
||
<paragraph id="8BD436FF5032FFFBFF095309FE5ACB9B" blockId="52.[151,1436,1872,2034]" pageId="52" pageNumber="53">
|
||
<emphasis id="B91FEAED5032FFFBFF095309FEDCCB01" bold="true" box="[151,294,1872,1896]" pageId="52" pageNumber="53">FIGURE 22.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5032FFFBFEB25309FDA7CB0E" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[300,605,1872,1895]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="52" pageNumber="53" phylum="Arthropoda" rank="species" species="tsitsikamma" status="sp. nov.">
|
||
<emphasis id="B91FEAED5032FFFBFEB25309FDA7CB0E" box="[300,605,1872,1895]" italics="true" pageId="52" pageNumber="53">Mesamphisopus tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5032FFFBFDFA5309FD5ACB01" bold="true" box="[612,672,1872,1896]" pageId="52" pageNumber="53">
|
||
<taxonomicNameLabel id="A22C57965032FFFBFDFA5309FD5ACB01" box="[612,672,1872,1896]" pageId="52" pageNumber="53" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF1466775033FFFAFF095060FC53C81A" pageId="53" pageNumber="54" startId="53.[151,255,1081,1105]" targetBox="[249,1340,203,1047]" targetPageId="53">
|
||
<paragraph id="8BD436FF5033FFFAFF095060FC53C81A" blockId="53.[151,1435,1081,1139]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF095060FEDCC838" bold="true" box="[151,294,1081,1105]" pageId="53" pageNumber="54">FIGURE 23.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5033FFFAFEB25060FDA4C839" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[300,606,1081,1104]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="tsitsikamma" status="sp. nov.">
|
||
<emphasis id="B91FEAED5033FFFAFEB25060FDA4C839" box="[300,606,1081,1104]" italics="true" pageId="53" pageNumber="54">Mesamphisopus tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5033FFFAFDFA5060FD5AC838" bold="true" box="[612,672,1081,1105]" pageId="53" pageNumber="54">
|
||
<taxonomicNameLabel id="A22C57965033FFFAFDFA5060FD5AC838" box="[612,672,1081,1105]" pageId="53" pageNumber="54" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD436FF5033FFFAFF0950F8FDDEC939" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">stout RS, 12 elongate broad-based setae. Pereopods II and III propodus length:width 2.52–2.84. Pereopod VII ischium dorsal ridge forming flange subequal to shaft width. Pereopod V basis length approximately twice width. Pleopod I exopod broadest at midlength; mesial margin convex; protopod longer than wide, longer than other protopods. Pleopod II endopod appendix masculina length 0.53 pleopod length. Uropod protopod dorsomesial ridge scarcely produced.</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF585102FD28CA57" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF585102FE41C91C" bold="true" box="[198,443,1371,1397]" pageId="53" pageNumber="54">Descriptions. Male.</emphasis>
|
||
<emphasis id="B91FEAED5033FFFAFE585105FDB4C91C" box="[454,590,1372,1397]" italics="true" pageId="53" pageNumber="54">Coloration.</emphasis>
|
||
Darkly coloured from dark brown to dark slate-grey, fading to much lighter brown upon preservation, with eyes remaining black. Where unpigmented, white to off-white, turning darker yellowish-white upon preservation. Unpigmented patches give body slight mottled appearance. Pigmentation darkest in longitudinal dorsal band; lateral cephalon, pereon, pleon and pleotelson more lightly pigmented. Pereopods lightly coloured, mottled; pigmentation concentrated along dorsal portions of limbs. Infrequently, individuals may lack pigmentation.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF5B5215FD65CAE7" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF5B5215FEFECA0C" box="[197,260,1612,1637]" italics="true" pageId="53" pageNumber="54">Head</emphasis>
|
||
with sparse, fine setae. Eyes bulging dorsolaterally to projecting anteriorly; maximum diameter 0.17–0.22 head depth; approximately round.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF5B52C5FAF4CB6F" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF5B52C5FEE2CADC" box="[197,280,1692,1717]" italics="true" pageId="53" pageNumber="54">Pereon</emphasis>
|
||
. Length of setae on dorsal surface 0.16 body depth. Pereonite 1 length:width in dorsal view 0.39. Pereonite 2 length:width 0.37–0.56. Pereonite 3 length:width 0.41–0.59. Pereonite 4 length:width 0.43–0.45. Pereonite 5 length:width 0.42–0.52. Pereonite 6 length:width 0.36. Pereonite 7 length:width 0.25.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF5B534DFB6CCB47" blockId="53.[151,1437,1185,2038]" box="[197,1174,1812,1838]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF5B534DFEC8CB44" box="[197,306,1812,1837]" italics="true" pageId="53" pageNumber="54">Pleonites</emphasis>
|
||
1–4 relative lengths unequal, pleonite 4 length greater than pleonites 1–3.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF5B5365FE61CB17" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF5B5365FEBACB3C" box="[197,320,1852,1877]" italics="true" pageId="53" pageNumber="54">Pleotelson</emphasis>
|
||
dorsal surface in lateral view inflected ventrally, sparsely covered with fine setae; lateral length less (0.79) than depth.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5033FFFAFF5B53D5FECDCB9F" blockId="53.[151,1437,1185,2038]" pageId="53" pageNumber="54">
|
||
<emphasis id="B91FEAED5033FFFAFF5B53D5FEC7CBCC" box="[197,317,1932,1957]" italics="true" pageId="53" pageNumber="54">Antennula</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5033FFFAFED153D5FE5FCBCF" box="[335,421,1932,1958]" captionStart="FIGURE 21" captionStartId="51.[151,255,1930,1954]" captionTargetBox="[181,1412,199,1882]" captionTargetId="figure-56@51.[151,1436,134,1952]" captionTargetPageId="51" captionText="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." pageId="53" pageNumber="54">Fig. 21</figureCitation>
|
||
) length 0.16–0.18 body length, with 7 or 8 articles. Single tiny aesthetascs, 4 or 5 on terminal and penultimate articles. Terminal article length:width 0.55. Penultimate article distinctly longer than other articles.
|
||
</paragraph>
|
||
<caption id="DF1466775030FFF9FF095302FE0CCBFC" pageId="54" pageNumber="55" startId="54.[151,255,1883,1907]" targetBox="[161,1418,198,1852]" targetPageId="54">
|
||
<paragraph id="8BD436FF5030FFF9FF095302FE0CCBFC" blockId="54.[151,1436,1883,1941]" pageId="54" pageNumber="55">
|
||
<emphasis id="B91FEAED5030FFF9FF095302FEDDCB1A" bold="true" box="[151,295,1883,1907]" pageId="54" pageNumber="55">FIGURE 24.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5030FFF9FEB05305FDA5CB1A" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[302,607,1884,1907]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="54" pageNumber="55" phylum="Arthropoda" rank="species" species="tsitsikamma" status="sp. nov.">
|
||
<emphasis id="B91FEAED5030FFF9FEB05305FDA5CB1A" box="[302,607,1884,1907]" italics="true" pageId="54" pageNumber="55">Mesamphisopus tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5030FFF9FDF95302FD59CB1A" bold="true" box="[615,675,1883,1907]" pageId="54" pageNumber="55">
|
||
<taxonomicNameLabel id="A22C57965030FFF9FDF95302FD59CB1A" box="[615,675,1883,1907]" pageId="54" pageNumber="55" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–E, dissected male paratype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD436FF5031FFF8FF5B54C1FD6CCCB3" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B54C1FEDCCCD8" box="[197,294,152,177]" italics="true" pageId="55" pageNumber="56">Antenna</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FEA754C1FE6ACCDB" box="[313,400,152,178]" captionStart="FIGURE 21" captionStartId="51.[151,255,1930,1954]" captionTargetBox="[181,1412,199,1882]" captionTargetId="figure-56@51.[151,1436,134,1952]" captionTargetPageId="51" captionText="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." pageId="55" pageNumber="56">Fig. 21</figureCitation>
|
||
) length 0.62 body length. Flagellum length 0.63 total antenna length, with 28–31 articles. Antenna article 5 longer than article 4.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B54B1FA66CD13" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B54B1FEB4CD68" box="[197,334,232,257]" italics="true" pageId="55" pageNumber="56">Mouthfield.</emphasis>
|
||
Clypeus slightly rounded to truncate at mandibular fossae; width 0.78 head width. Labrum (
|
||
<figureCitation id="13502A7A5031FFF8FF015549FF0FCD43" box="[159,245,272,298]" captionStart="FIGURE 21" captionStartId="51.[151,255,1930,1954]" captionTargetBox="[181,1412,199,1882]" captionTargetId="figure-56@51.[151,1436,134,1952]" captionTargetPageId="51" captionText="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." pageId="55" pageNumber="56">Fig. 21</figureCitation>
|
||
) ventrally semi-circular in anterior view, with fringe of fine setae along distal margin; dorsal margin narrower than clypeus. Paragnaths (
|
||
<figureCitation id="13502A7A5031FFF8FDDC5561FD63CD3B" box="[578,665,312,338]" captionStart="FIGURE 21" captionStartId="51.[151,255,1930,1954]" captionTargetBox="[181,1412,199,1882]" captionTargetId="figure-56@51.[151,1436,134,1952]" captionTargetPageId="51" captionText="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." pageId="55" pageNumber="56">Fig. 21</figureCitation>
|
||
) with distally rounded lobes; mesial margins with multiple setal rows, forming dense mat of fine elongate setae; lateral margins with sparse elongate SS and more robust setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B55D1FB5ECD9B" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B55D1FECFCDC8" box="[197,309,392,417]" italics="true" pageId="55" pageNumber="56">Mandible</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FED855D1FE61CDCB" box="[326,411,392,418]" captionStart="FIGURE 22" captionStartId="52.[151,255,1872,1896]" captionTargetBox="[197,1385,197,1834]" captionTargetId="figure-98@52.[168,1422,132,1905]" captionTargetPageId="52" captionText="FIGURE 22. Mesamphisopus tsitsikamma n. sp. A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view." pageId="55" pageNumber="56">Fig. 22</figureCitation>
|
||
) palp length 0.87–0.94 mandible length; articles 1 and 2 with elongate SS around entire distal margins, setae longer than respective articles. Left spine row with 11 spines, 3 of which are bifurcate. Right spine row with 9 spines, 4 of which are bifurcate. Molar process longer than wide.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5659FDA5CE03" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5659FECDCE70" box="[197,311,512,537]" italics="true" pageId="55" pageNumber="56">Maxillula</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FED65659FE64CE73" box="[328,414,512,538]" captionStart="FIGURE 22" captionStartId="52.[151,255,1872,1896]" captionTargetBox="[197,1385,197,1834]" captionTargetId="figure-98@52.[168,1422,132,1905]" captionTargetPageId="52" captionText="FIGURE 22. Mesamphisopus tsitsikamma n. sp. A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view." pageId="55" pageNumber="56">Fig. 22</figureCitation>
|
||
) mesial lobe length 0.64–0.88 lateral lobe length; with 2 distally denticulate accessory setae, 1 on distolateral margin and 1 between central PPS. Lateral lobe distal margin with 5 smooth RS, 7 denticulate RS, 4 RS form distal setal row.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5621FADBCF63" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5621FEDACEF8" box="[197,288,632,657]" italics="true" pageId="55" pageNumber="56">Maxilla</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FEAE5621FE7CCEFB" box="[304,390,632,658]" captionStart="FIGURE 22" captionStartId="52.[151,255,1872,1896]" captionTargetBox="[197,1385,197,1834]" captionTargetId="figure-98@52.[168,1422,132,1905]" captionTargetPageId="52" captionText="FIGURE 22. Mesamphisopus tsitsikamma n. sp. A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view." pageId="55" pageNumber="56">Fig. 22</figureCitation>
|
||
) mesial lobe proximal portion smoothly continuous with distal portion; proximal and distal setal rows separated by gap; 9 thickly set elongate setae in single ventral basal row; 29 or 30 closely-set setae with distinct base and long smooth shaft in dorsal basal row; 27–37 elongate, SS or PS and few strongly pectinate (in distal third) setae in distal row. Outer lateral lobe length subequal to inner lateral lobe.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5741FC9ACFC3" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5741FEBECF58" box="[197,324,792,817]" italics="true" pageId="55" pageNumber="56">Maxilliped</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FEC85741FE57CF5B" box="[342,429,792,818]" captionStart="FIGURE 22" captionStartId="52.[151,255,1872,1896]" captionTargetBox="[197,1385,197,1834]" captionTargetId="figure-98@52.[168,1422,132,1905]" captionTargetPageId="52" captionText="FIGURE 22. Mesamphisopus tsitsikamma n. sp. A–K, dissected male and female paratypes. A, right mandible (female); B, right mandibular palp; C, right mandible spine row; D, left mandible (female); E, left mandibular palp; F, left mandible molar process, spine row and incisor process; G, maxillula (female), with enlarged view of lateral lobe distal margin; H, maxilla (male); I, maxilla, dorsal view of proximal portion of mesial lobe; J, maxilliped (female), dorsal view; K, maxilliped, ventral view." pageId="55" pageNumber="56">Fig. 22</figureCitation>
|
||
) epipod length:width 1.09. Endite length:total basis length 0.44–0.56; mesial margin with 2 coupling hooks on left side, 3 on right side. Palp insertion on basis mesial margin with 1 SS; palp width across articles 2 and 3:endite width 1.36–1.79; article 4 subcircular, length:width 0.92–1.14; article 5 length:width 1.54, article 5 length:article 4 length 0.68–0.83.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B57E1FB22C8AB" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B57E1FEB4CFB8" box="[197,334,952,977]" italics="true" pageId="55" pageNumber="56">Pereopod I</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FEFA57E1FE44CFBB" box="[356,446,952,978]" captionStart="FIGURE 23" captionStartId="53.[151,255,1081,1105]" captionTargetBox="[249,1340,203,1047]" captionTargetId="figure-308@53.[239,1347,194,1057]" captionTargetPageId="53" captionText="FIGURE 23. Mesamphisopus tsitsikamma n. sp. A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="55" pageNumber="56">Fig. 23</figureCitation>
|
||
) length:body length 0.42. Dactylus length subequal to palm or slightly shorter, length:palm length 0.93; ventrodistal margin with thin scale-like spines along 0.10 total length; claw length:dactylus length 0.09; distal accessory claw length 0.33–0.50 primary claw length. Propodus length:width 1.05; dorsal margin with 10 setae (excluding distal group) in several groups between proximal and distal margins. Propodal palm cuticular fringe weakly developed; with low stout cuticular projection distally. Merus distodorsal margin includes 1 or 2 RS. Ischium dorsal margin with 6 SS. Basis length:width 2.15; dorsal margin with 11 or 12 setae along ridge; ventrodistal margin with 6 or 7 elongate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5089FC2BCA43" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5089FE49C880" box="[197,435,1232,1257]" italics="true" pageId="55" pageNumber="56">Pereopods II and III</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FE5D5089FDE3C883" box="[451,537,1232,1258]" captionStart="FIGURE 23" captionStartId="53.[151,255,1081,1105]" captionTargetBox="[249,1340,203,1047]" captionTargetId="figure-308@53.[239,1347,194,1057]" captionTargetPageId="53" captionText="FIGURE 23. Mesamphisopus tsitsikamma n. sp. A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="55" pageNumber="56">Fig. 23</figureCitation>
|
||
;
|
||
<tableCitation id="C6E903445031FFF8FDBB5089FD80C883" box="[549,634,1232,1258]" 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="55" pageNumber="56">Table 1</tableCitation>
|
||
) distal accessory claw length 0.30–0.50 primary claw length. Pereopods II and III with, respectively, 6 and 5 broad-based setae on propodus, most distributed along central third of ventral margin, one more distal, longest setae 0.20 propodus length. Pereopod II carpus with 5 broad-based setae, evenly spaced along ventral margin from proximal margin to midpoint, with distal seta at two-thirds margin length, setae 0.06–0.20 carpus length. Pereopod III carpus with 5 broad-based setae evenly spaced from proximal margin to midpoint of ventral margin and distal seta at three-quarter length, and 3 on lateral ridge distally, setae 0.20–0.48 carpus length. Basis dorsal ridge in cross-section angular and produced but not forming distinct plate, with 9–18 elongate SS along or mesially and laterally to margin, densest proximally. Pereopods II–IV ischium dorsal margin with 7–12 SS, including 3 RS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5261FB6ECB73" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5261FEA2CA38" box="[197,344,1592,1617]" italics="true" pageId="55" pageNumber="56">Pereopod IV</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FEF75261FE47CA3B" box="[361,445,1592,1618]" captionStart="FIGURE 23" captionStartId="53.[151,255,1081,1105]" captionTargetBox="[249,1340,203,1047]" captionTargetId="figure-308@53.[239,1347,194,1057]" captionTargetPageId="53" captionText="FIGURE 23. Mesamphisopus tsitsikamma n. sp. A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="55" pageNumber="56">Fig. 23</figureCitation>
|
||
) dactylus longer than propodal palm; distal accessory claw length 0.33 primary claw length. Propodus length:pereopod length 0.14; length:width 1.59; distal width:palm width 0.74; with 6 broadbased setae on ventral margin, 2 or 3 distinctly larger than remainder; articular plate subequal in length to dactylar claw. Carpus length:pereopod length 0.13; with 6 broad-based setae on ventral margin, 3 distinctly larger than others. Ischium posterodistal margin with 5 setae, series continuing on anterodistal margin. Basis length:width 2.45; dorsal ridge with 12 setae along ridge and in dense proximal cluster.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF5031FFF8FF5B5371FC61CB8B" blockId="55.[151,1436,152,2018]" pageId="55" pageNumber="56">
|
||
<emphasis id="B91FEAED5031FFF8FF5B5371FE6BCB28" box="[197,401,1832,1857]" italics="true" pageId="55" pageNumber="56">Pereopods V–VII</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5031FFF8FE3A5371FE06CB2B" box="[420,508,1832,1858]" captionStart="FIGURE 23" captionStartId="53.[151,255,1081,1105]" captionTargetBox="[249,1340,203,1047]" captionTargetId="figure-308@53.[239,1347,194,1057]" captionTargetPageId="53" captionText="FIGURE 23. Mesamphisopus tsitsikamma n. sp. A–G, dissected male paratype. A, pereopod I; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII." pageId="55" pageNumber="56">Fig. 23</figureCitation>
|
||
;
|
||
<tableCitation id="C6E903445031FFF8FD925371FD9FCB2B" box="[524,613,1832,1858]" 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="55" pageNumber="56">Table 2</tableCitation>
|
||
) dactylus distal accessory claw ventrolateral to primary claw, length 0.25–0.66 primary claw length. Propodus distal margins with 3–5 elongate RS. Pereopod VII articular plate lacking in dissected individual. Pereopods V–VII ischium dorsal margin with 1–11 SS, including 1–6 RS. Basis dorsal ridge in cross-section angular on V, produced and forming distinct plate on VI and VII, with elongate fine setae along entire margin; lateral face with ventral ridge.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B54C1FAE1CCDB" blockId="56.[151,1436,152,2017]" box="[197,1307,152,178]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B54C1FEF1CCD8" box="[197,267,152,177]" italics="true" pageId="56" pageNumber="57">Penes</emphasis>
|
||
length 0.41 body width at pereonite 7; with setae on shaft; distal tip rounded to truncate.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5499FDA7CD13" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5499FEC8CCB0" box="[197,306,192,217]" italics="true" pageId="56" pageNumber="57">Pleopods</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A503EFFF7FEDA5499FE61CCB3" box="[324,411,192,218]" captionStart="FIGURE 24" captionStartId="54.[151,255,1883,1907]" captionTargetBox="[161,1418,198,1852]" captionTargetId="figure-43@54.[151,1436,134,1952]" captionTargetPageId="54" captionText="FIGURE 24. Mesamphisopus tsitsikamma n. sp. A–E, dissected male paratype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V." pageId="56" pageNumber="57">Fig. 24</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344503EFFF7FE375499FDF8CCB3" box="[425,514,192,218]" 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="56" pageNumber="57">Table 3</tableCitation>
|
||
). PS on endopod I–V margins. Protopod mesial margins/epipods I–IV with 4, 2, 2 and 2 coupling hooks, respectively; II–V with 2, 3, 6 and 8 elongate SS, respectively. Protopod lateral epipod III length 1.76–2.26 width, lateral epipod V length 1.67–1.97. Pleopod I exopod dorsal surface with setae. Pleopod II endopod appendix masculina basal musculature pronounced; with 27–34 setae on margin; distal tip extending to distal margin of endopod.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B55D1FB3ACE73" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B55D1FEE5CDC8" box="[197,287,392,417]" italics="true" pageId="56" pageNumber="57">Uropod</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A503EFFF7FEB155D1FE7ECDCB" box="[303,388,392,418]" captionStart="FIGURE 21" captionStartId="51.[151,255,1930,1954]" captionTargetBox="[181,1412,199,1882]" captionTargetId="figure-56@51.[151,1436,134,1952]" captionTargetPageId="51" captionText="FIGURE 21. Mesamphisopus tsitsikamma n. sp. A and B, holotype, remainder dissected male and female paratypes. A, habitus (uropods incompletely illustrated), dorsal view; B, lateral view; C, antennula (female); D, antenna (male); E, labrum (female); F, paragnaths (female); G, uropod (male)." pageId="56" pageNumber="57">Fig. 21</figureCitation>
|
||
) total length 1.62 pleotelson length. Protopod length:width 4.07; length 0.46 uropod total length; extending posteriorly subequal to pleotelson apex; dorsomesial ridge length:endopod length 0.64. Rami (in cross-section) flattened on dorsal surface only. Endopod dorsal margin with 6 RS along length and apically. Exopod length 0.86 endopod length; with 6 RS along dorsal margins and apically.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B567EFE41CE03" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B567EFEDDCE28" bold="true" box="[197,295,551,577]" pageId="56" pageNumber="57">Female.</emphasis>
|
||
<emphasis id="B91FEAED503EFFF7FEAF5671FE76CE28" box="[305,396,552,577]" italics="true" pageId="56" pageNumber="57">Pereon.</emphasis>
|
||
Pereonite 6 (length:width 0.42) and pereonite 7 (0.36) in dorsal view relatively longer and thinner than in male.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5621FE09CEFB" blockId="56.[151,1436,152,2017]" box="[197,499,632,658]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5621FEC7CEF8" box="[197,317,632,657]" italics="true" pageId="56" pageNumber="57">Antennula</emphasis>
|
||
with 6 articles.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B56F9FB22CF5B" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B56F9FEB2CED0" box="[197,328,672,697]" italics="true" pageId="56" pageNumber="57">Pereopod I</emphasis>
|
||
length:body length 0.36. Dactylus ventrodistal margin with thin scale-like spines along 0.49 total length; claw length:dactylus length 0.15–0.19. Propodus length:width 1.24. Propodal palm straight; with 9 stout denticulate serrate setae; 3 or 4 elongate broad-based setae. Ischium dorsal margin with 1 RS. Basis length:width 2.36; dorsal margin with 9 setae; ventrodistal margin with 2 or 3 elongate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5719FCABCF93" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5719FE4FCF30" box="[197,437,832,857]" italics="true" pageId="56" pageNumber="57">Pereopods II and III</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344503EFFF7FE5B5719FDE4CF33" box="[453,542,832,858]" 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="56" pageNumber="57">Table 1</tableCitation>
|
||
). Pereopod II propodus with 4 broad-based setae, evenly spaced from quarter to three-quarter length of ventral margin, setae up to 10–0.26 propodus length. Pereopod III propodus with 3 broad-based setae, evenly spaced from one-third to two-thirds ventral margin length. Pereopod II and III each with 4 broad-based setae on carpus, evenly spaced from proximal margin along two-thirds of ventral margin, setae up to 0.46 and 0.65 respective carpus lengths.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5051FF23C8F3" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5051FEA0C848" box="[197,346,1032,1057]" italics="true" pageId="56" pageNumber="57">Pereopod IV</emphasis>
|
||
dactylus distal accessory claw half primary claw length. Propodus length:width 1.21; with 2 or 3 broad-based setae on ventral margin. Carpus length:pereopod length 0.11; with 3 broad-based setae on ventral margin. Ischium posterodistal margin with 3 setae, fourth anteriorly. Basis dorsal ridge with 9–11 setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B50F1FC26C8AB" blockId="56.[151,1436,152,2017]" box="[197,988,1192,1218]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B50F1FE6CC8A8" box="[197,406,1192,1217]" italics="true" pageId="56" pageNumber="57">Pereopods V–VII.</emphasis>
|
||
Consult
|
||
<tableCitation id="C6E90344503EFFF7FD9E50F1FDADC8AB" box="[512,599,1192,1218]" 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="56" pageNumber="57">Table 2</tableCitation>
|
||
for comparison with male ratios.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5089FD1BC97B" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5089FEC8C880" box="[197,306,1232,1257]" italics="true" pageId="56" pageNumber="57">Pleopods</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344503EFFF7FEDD5089FE64C883" box="[323,414,1232,1258]" 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="56" pageNumber="57">Table 3</tableCitation>
|
||
). Endopod I–V margins with PS and SS, V with SS only. Protopod mesial epipods IV and V with 4 and 4 or 5 elongate SS, respectively.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5179FB5AC953" blockId="56.[151,1436,152,2017]" box="[197,1184,1312,1338]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B5179FEE5C950" box="[197,287,1312,1337]" italics="true" pageId="56" pageNumber="57">Uropod</emphasis>
|
||
protopod dorsomesial ridge length:endopod length 0.45. Exopod with 4 RS.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574503EFFF7FF5B511EFEF9C9B3" pageId="56" pageNumber="57" type="distribution">
|
||
<paragraph id="8BD436FF503EFFF7FF5B511EFEF9C9B3" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B511EFE9CC908" bold="true" box="[197,358,1351,1377]" pageId="56" pageNumber="57">Distribution.</emphasis>
|
||
Known from the
|
||
<typeStatus id="54D0885D503EFFF7FDA75111FD91C90B" box="[569,619,1352,1378]" pageId="56" pageNumber="57">type</typeStatus>
|
||
locality only. The
|
||
<typeStatus id="54D0885D503EFFF7FCD55111FC87C90B" box="[843,893,1352,1378]" pageId="56" pageNumber="57">type</typeStatus>
|
||
locality was a broad (>
|
||
<quantity id="4C939B1A503EFFF7FB035111FB34C90B" box="[1181,1230,1352,1378]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="56" pageNumber="57" unit="m" value="1.0">1 m</quantity>
|
||
), almost stagnant section of a slow-flowing stream in the temperate Tsitsikamma Forest. The water was tannin-stained and acidic (pH 4.5). Specimens were collected from amongst the abundant leaf litter and the peaty, humic soil of the bank.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574503EFFF6FF5B51BEFCB5CD13" lastPageId="57" lastPageNumber="58" pageId="56" pageNumber="57" type="discussion">
|
||
<paragraph id="8BD436FF503EFFF7FF5B51BEFD67CA9B" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
<emphasis id="B91FEAED503EFFF7FF5B51BEFEC4CA68" bold="true" box="[197,318,1511,1537]" pageId="56" pageNumber="57">Remarks.</emphasis>
|
||
The setation of the mouthparts of
|
||
<taxonomicName id="4C6B4D7C503EFFF7FD4B51B1FC72CA68" authorityName="Gouws" authorityYear="2008" box="[725,904,1512,1537]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED503EFFF7FD4B51B1FC72CA68" box="[725,904,1512,1537]" italics="true" pageId="56" pageNumber="57">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
is unique and distinguishes this species from all others within the genus. The mesiodistal setae of mandibular palp article 3 are few (ca. 10) and smooth in
|
||
<taxonomicName id="4C6B4D7C503EFFF7FF095261FEB7CA38" authorityName="Gouws" authorityYear="2008" box="[151,333,1592,1617]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED503EFFF7FF095261FEB7CA38" box="[151,333,1592,1617]" italics="true" pageId="56" pageNumber="57">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
, but abundant (> 20) and finely setulate in the remaining species described here. Fewer of these seta occur in
|
||
<taxonomicName id="4C6B4D7C503EFFF7FEE75239FD22CA13" authority="(Nicholls 1943)" baseAuthorityName="Nicholls" baseAuthorityYear="1943" box="[377,728,1632,1658]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED503EFFF7FEE75239FDE9CA10" box="[377,531,1632,1657]" italics="true" pageId="56" pageNumber="57">M. depressus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFFA4B0E503EFFF7FDBD5239FD35CA13" author="Nicholls, G. E." box="[547,719,1632,1658]" pageId="56" pageNumber="57" 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>
|
||
)
|
||
</taxonomicName>
|
||
, with the greatest numbers found in
|
||
<taxonomicName id="4C6B4D7C503EFFF7FB165239FAFFCA10" authorityName="Gouws" authorityYear="2008" box="[1160,1285,1632,1657]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="setosus">
|
||
<emphasis id="B91FEAED503EFFF7FB165239FAFFCA10" box="[1160,1285,1632,1657]" italics="true" pageId="56" pageNumber="57">M. setosus</emphasis>
|
||
</taxonomicName>
|
||
(27–32) and
|
||
<taxonomicName id="4C6B4D7C503EFFF7FF0952D1FECCCAC8" authorityName="Gouws" authorityYear="2008" box="[151,310,1672,1697]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED503EFFF7FF0952D1FECCCAC8" box="[151,310,1672,1697]" italics="true" pageId="56" pageNumber="57">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
(32–38). Fewer setae occur on
|
||
<taxonomicName id="4C6B4D7C503EFFF7FD3352D1FC9BCAC8" authorityName="Gouws" authorityYear="2008" box="[685,865,1672,1697]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED503EFFF7FD3352D1FC9BCAC8" box="[685,865,1672,1697]" italics="true" pageId="56" pageNumber="57">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
’s maxilla than in the above species, particularly distally on the inner and outer lateral lobes, and in the ventral basal row of the mesial lobe (although a similar number occurs in this row in
|
||
<taxonomicName id="4C6B4D7C503EFFF7FE705281FD76CA98" authorityName="Gouws" authorityYear="2008" box="[494,652,1752,1777]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED503EFFF7FE705281FD76CA98" box="[494,652,1752,1777]" italics="true" pageId="56" pageNumber="57">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503EFFF7FF5B5359FF2DCB88" blockId="56.[151,1436,152,2017]" pageId="56" pageNumber="57">
|
||
Another unique feature of
|
||
<taxonomicName id="4C6B4D7C503EFFF7FE605359FD4BCB70" authorityName="Gouws" authorityYear="2008" box="[510,689,1792,1817]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED503EFFF7FE605359FD4BCB70" box="[510,689,1792,1817]" italics="true" pageId="56" pageNumber="57">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
is the relatively linear dorsomesial margin of the uropodal protopod. This margin is straight, forms a weak ridge and is scarcely produced distally. In all other species of the genus, the dorsomesial margin forms a ridge produced distally to a plate-like projection. This margin has been described as being weakly produced in
|
||
<taxonomicName id="4C6B4D7C503EFFF7FDF75321FC3DCBFB" authority="(Nicholls 1943)" baseAuthorityName="Nicholls" baseAuthorityYear="1943" box="[617,967,1912,1938]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED503EFFF7FDF75321FCF9CBF8" box="[617,771,1912,1937]" italics="true" pageId="56" pageNumber="57">M. depressus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFFA4B0E503EFFF7FC8D5321FC44CBFB" author="Nicholls, G. E." box="[787,958,1912,1938]" pageId="56" pageNumber="57" 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>
|
||
)
|
||
</taxonomicName>
|
||
, but the extent of the projection figured for
|
||
<taxonomicName id="4C6B4D7C503EFFF7FF5C53F9FEA6CBD0" baseAuthorityName="Nicholls" baseAuthorityYear="1943" box="[194,348,1952,1977]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED503EFFF7FF5C53F9FEA6CBD0" box="[194,348,1952,1977]" italics="true" pageId="56" pageNumber="57">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFFA4B0E503EFFF7FEF353F9FDE1CBD3" author="Nicholls, G. E." box="[365,539,1952,1978]" pageId="56" pageNumber="57" 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="13502A7A503EFFF7FDB953F9FD7CCBD3" box="[551,646,1952,1978]" captionStart="FIGURE 8" captionStartId="25.[151,255,1963,1987]" captionTargetBox="[198,1403,285,1930]" captionTargetId="figure-67@25.[151,1436,274,1939]" captionTargetPageId="25" captionText="FIGURE 8. Mesamphisopus baccatus n. sp. A–E, dissected male paratype. A, pleopod I; B, pleopod II; C, pleopod III; D, pleopod IV; E, pleopod V." pageId="56" pageNumber="57">Figs 8.3</figureCitation>
|
||
and
|
||
<figureCitation id="13502A7A503EFFF7FD5D53F9FD02CBD3" box="[707,760,1952,1978]" captionStart="FIGURE 9" captionStartId="29.[151,255,1913,1937]" captionTargetBox="[211,1390,282,1869]" captionTargetId="figure-73@29.[151,1436,274,1889]" captionTargetPageId="29" captionText="FIGURE 9. Mesamphisopus kensleyi n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, dorsal view (only a single antenna and uropod are illustrated completely); B, lateral view; C, antennula; D, antenna; E, clypeus; F, labrum; G, paragnaths." pageId="56" pageNumber="57">9.15</figureCitation>
|
||
) still appears to be more pronounced than in
|
||
<emphasis id="B91FEAED503EFFF7FA8853F9FF2DCB88" italics="true" pageId="56" pageNumber="57">
|
||
<taxonomicName id="4C6B4D7C503EFFF7FA8853F9FF2ECB88" authorityName="Gouws" authorityYear="2008" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="tsitsikamma">M. tsitsikamma</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503FFFF6FF5B54C1FDA2CCB0" blockId="57.[151,1436,152,378]" pageId="57" pageNumber="58">
|
||
An additional peculiarity of the species is the presence of plumose setae on all five pleopodal endopods, known otherwise only in
|
||
<emphasis id="B91FEAED503FFFF6FE5F5499FDA2CCB0" box="[449,600,192,217]" italics="true" pageId="57" pageNumber="58">
|
||
<taxonomicName id="4C6B4D7C503FFFF6FE5F5499FDAECCB0" authorityName="Gouws" authorityYear="2008" box="[449,596,192,217]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="baccatus">M. baccatus</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BD436FF503FFFF6FF5B54B1FCB5CD13" blockId="57.[151,1436,152,378]" pageId="57" pageNumber="58">
|
||
The pair of sub-apical dorsal robust setae on the pleotelson, recorded for
|
||
<taxonomicName id="4C6B4D7C503FFFF6FB8954B1FB3DCD68" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[1047,1223,232,257]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED503FFFF6FB8954B1FB3DCD68" box="[1047,1223,232,257]" italics="true" pageId="57" pageNumber="58">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C503FFFF6FB4B54B1FA94CD68" baseAuthorityName="Nicholls" baseAuthorityYear="1943" box="[1237,1390,232,257]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED503FFFF6FB4B54B1FA94CD68" box="[1237,1390,232,257]" italics="true" pageId="57" pageNumber="58">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C503FFFF6FAE254B1FEDACD40" baseAuthorityName="Kensley" baseAuthorityYear="2001" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="penicillatus">
|
||
<emphasis id="B91FEAED503FFFF6FAE254B1FEDACD40" italics="true" pageId="57" pageNumber="58">M. penicillatus</emphasis>
|
||
</taxonomicName>
|
||
(see
|
||
<bibRefCitation id="EFFA4B0E503FFFF6FEC05549FDF8CD43" author="Barnard, K. H." box="[350,514,272,298]" pageId="57" pageNumber="58" 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="EFFA4B0E503FFFF6FD915549FD49CD43" author="Kensley, B." box="[527,691,272,298]" pageId="57" pageNumber="58" 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>
|
||
) and
|
||
<taxonomicName id="4C6B4D7C503FFFF6FD685549FC6FCD40" authorityName="Gouws" authorityYear="2008" box="[758,917,272,297]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED503FFFF6FD685549FC6FCD40" box="[758,917,272,297]" italics="true" pageId="57" pageNumber="58">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
, was not present in the dissected and examined
|
||
<taxonomicName id="4C6B4D7C503FFFF6FF4A5561FE70CD38" authorityName="Gouws" authorityYear="2008" box="[212,394,312,337]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED503FFFF6FF4A5561FE70CD38" box="[212,394,312,337]" italics="true" pageId="57" pageNumber="58">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
individuals, but has been documented in individuals collected from the same locality, included in an earlier genetic analyses (
|
||
<bibRefCitation id="EFFA4B0E503FFFF6FDFB5539FCB8CD13" author="Gouws, G. & Stewart, B. A. & Matthee, C. A." box="[613,834,352,378]" pageId="57" pageNumber="58" pagination="289 - 305" refId="ref29463" refString="Gouws, G., Stewart, B. A. & Matthee, C. A. (2005) Lack of taxonomic differentiation in an apparently widespread freshwater isopod morphotype (Phreatoicidea: Mesamphisopidae: Mesamphisopus) from South Africa. Molecular Phylogenetics and Evolution, 37, 289 - 305." type="journal article" year="2005">
|
||
Gouws
|
||
<emphasis id="B91FEAED503FFFF6FD5F5539FD0ECD10" box="[705,756,352,377]" italics="true" pageId="57" pageNumber="58">et al</emphasis>
|
||
. 2005
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |