488 lines
68 KiB
XML
488 lines
68 KiB
XML
<document id="E8F0E52464AF170AEB0D3B6FB4199D07" 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="03C287E95013FFD3FF0954CEFD1ECE73" 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 baccatus Gouws 2008, n. sp." docType="treatment" docVersion="2" lastPageNumber="29" masterDocId="FFFBFF915006FFCFFF9E5459FFFACC69" masterDocTitle="New species of Mesamphisopus, an endemic South African freshwater isopod genus (Isopoda: Phreatoicidea: Mesamphisopidae)" masterLastPageNumber="62" masterPageNumber="1" pageNumber="22" updateTime="1699010168584" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:titleInfo id="538E543F957C33B04AD651175A029858">
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<mods:title id="D9B3CD51D276CFE982E4C43BA9A96042">New species of Mesamphisopus, an endemic South African freshwater isopod genus (Isopoda: Phreatoicidea: Mesamphisopidae)</mods:title>
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<mods:name id="70C21E003A63F63C29E3E30D3C03270C" type="personal">
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<mods:role id="2A9BF79CDE5BF67E460395DEE6265CBE">
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<mods:roleTerm id="F1AC210EC1E6FE1D0A06FFDA4CD9E62E">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="21BE4EE8AC3D8518AF326F66D738D72A">Gouws, Gavin</mods:namePart>
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<mods:typeOfResource id="002E9F6875387311900BF519AE2FEF7A">text</mods:typeOfResource>
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<mods:title id="4AB1DA7D41E08A34255F1AA330D98A8D">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="9AC4036C240BF1DA7A630AE8B4A0CCD0">
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<mods:date id="B6BFC2633FA9F7692F2E0031109897A6">2008</mods:date>
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<mods:detail id="96CA01E4A74538804ABAC5221D99F59E" type="pubDate">
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<mods:number id="DFA8AFDB5AC1A871B47BD00ECD4BA689">2008-01-25</mods:number>
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</mods:detail>
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<mods:detail id="C668A5809C1B8FC763F9D707BD25DD76" type="volume">
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<mods:number id="B05717F8D94F520661A92A74DC3D4FC9">1690</mods:number>
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<mods:start id="EF056329C1DE693B3A2C0C152C91D64E">1</mods:start>
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<mods:end id="3CDD363EAEA1517DE635F328AE95CD66">62</mods:end>
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<mods:classification id="77C311233064031AD13ECC9FD20B566E">journal article</mods:classification>
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<mods:identifier id="26D333A9B4050CD3ACC26D913443EAB1" type="ISSN">11755334</mods:identifier>
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</mods:mods>
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<treatment id="03C287E95013FFD3FF0954CEFD1ECE73" LSID="urn:lsid:plazi:treatment:03C287E95013FFD3FF0954CEFD1ECE73" httpUri="http://treatment.plazi.org/id/03C287E95013FFD3FF0954CEFD1ECE73" lastPageId="28" lastPageNumber="29" pageId="21" pageNumber="22">
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<subSubSection id="C37165745013FFDAFF0954CEFDEFCCD8" box="[151,533,151,177]" pageId="21" pageNumber="22" type="nomenclature">
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<paragraph id="8BD436FF5013FFDAFF0954CEFDEFCCD8" blockId="21.[151,533,151,212]" box="[151,533,151,177]" pageId="21" pageNumber="22">
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<heading id="D09C81935013FFDAFF0954CEFDEFCCD8" bold="true" box="[151,533,151,177]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
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<emphasis id="B91FEAED5013FFDAFF0954CEFDEFCCD8" bold="true" box="[151,533,151,177]" pageId="21" pageNumber="22">
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<taxonomicName id="4C6B4D7C5013FFDAFF0954CEFE36CCD8" ID-CoL="3ZXQ5" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[151,460,151,177]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="baccatus" status="sp. nov.">
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<emphasis id="B91FEAED5013FFDAFF0954CEFE36CCD8" bold="true" box="[151,460,151,177]" italics="true" pageId="21" pageNumber="22">Mesamphisopus baccatus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22C57965013FFDAFE4D54CEFDEFCCD8" box="[467,533,151,177]" pageId="21" pageNumber="22" 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="C37165745013FFDAFF0954E3FED8CCBD" box="[151,290,186,212]" pageId="21" pageNumber="22" type="description">
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<paragraph id="8BD436FF5013FFDAFF0954E3FED8CCBD" blockId="21.[151,533,151,212]" box="[151,290,186,212]" pageId="21" pageNumber="22">
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<figureCitation id="13502A7A5013FFDAFF0954E3FED8CCBD" box="[151,290,186,212]" captionStart-0="FIGURE 5" captionStart-1="FIGURE 6" captionStart-2="FIGURE 7" captionStart-3="FIGURE 8" captionStartId-0="22.[151,255,1886,1910]" captionStartId-1="23.[151,255,1871,1895]" captionStartId-2="24.[151,255,1803,1827]" captionStartId-3="25.[151,255,1963,1987]" captionTargetBox-0="[203,1362,213,1841]" captionTargetBox-1="[227,1344,210,1837]" captionTargetBox-2="[269,1363,191,1769]" captionTargetBox-3="[198,1403,285,1930]" captionTargetId-0="figure-58@22.[151,1436,194,1862]" captionTargetId-1="figure-80@23.[151,1436,194,1847]" captionTargetId-2="figure-100@24.[151,1436,176,1779]" captionTargetId-3="figure-67@25.[151,1436,274,1939]" captionTargetPageId-0="22" captionTargetPageId-1="23" captionTargetPageId-2="24" captionTargetPageId-3="25" captionText-0="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." captionText-1="FIGURE 6. Mesamphisopus baccatus n. sp. A–G, dissected male paratype. A, right mandible, with enlargement of terminal article of mandibular palp; B, right mandible spine row; C, left mandible, with enlargement of lacinia mobilis and spine row; D, left mandibular palp, with enlargement of pectinate seta; E, maxillula, with lateral lobe distal margin enlarged; F, maxilliped, ventral view; G, maxilliped basal endite, dorsal view." captionText-2="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." captionText-3="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="21" pageNumber="22">Figures 5–8</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37165745013FFDAFF095553FBA8CDF5" pageId="21" pageNumber="22" type="materials_examined">
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<paragraph id="8BD436FF5013FFDAFF095553FA74CD25" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<emphasis id="B91FEAED5013FFDAFF095553FE76CD4D" bold="true" box="[151,396,266,292]" pageId="21" pageNumber="22">Material examined.</emphasis>
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<materialsCitation id="3B033CA25013FFDAFE0B5553FA74CD25" accessionNumber="A45151" collectingDate="2000-11-10" collectionCode="SAM, R" collectorName="Daniels & G. Gouws" country="South Africa" latitude="-34.0925" location="Silvermine Nature Reserve" longLatPrecision="11" longitude="18.422832" pageId="21" pageNumber="22" specimenCount="1" specimenCount-male="1" stateProvince="Western Cape" typeStatus="holotype">
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<emphasis id="B91FEAED5013FFDAFE0B5553FDEBCD4D" bold="true" box="[405,529,266,292]" pageId="21" pageNumber="22">
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<typeStatus id="54D0885D5013FFDAFE0B5553FDF1CD4D" box="[405,523,266,292]" pageId="21" pageNumber="22" type="holotype">Holotype</typeStatus>
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||
:
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</emphasis>
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<collectionCode id="ED7AAE3A5013FFDAFD845553FDA0CD4D" box="[538,602,266,292]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="21" pageNumber="22">SAM</collectionCode>
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A45151,
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<specimenCount id="9D6DFD765013FFDAFD4C5553FD1CCD77" box="[722,742,266,286]" pageId="21" pageNumber="22" type="male">♂</specimenCount>
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(9.0 mm), above dam, east of
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<location id="8EB460245013FFDAFBCA5553FA6DCD4D" LSID="urn:lsid:plazi:treatment:03C287E95013FFD3FF0954CEFD1ECE73:8EB460245013FFDAFBCA5553FA6DCD4D" box="[1108,1431,266,292]" country="South Africa" latitude="-34.0925" longLatPrecision="11" longitude="18.422832" name="Silvermine Nature Reserve" pageId="21" pageNumber="22" stateProvince="Western Cape">Silvermine Nature Reserve</location>
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,
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<collectingRegion id="49AFF81D5013FFDAFF09556BFEC6CD25" box="[151,316,306,332]" country="South Africa" name="Western Cape" pageId="21" pageNumber="22">Western Cape</collectingRegion>
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,
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<collectingCountry id="F37C766F5013FFDAFED6556BFE25CD25" box="[328,479,306,332]" name="South Africa" pageId="21" pageNumber="22">South Africa</collectingCountry>
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(
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<geoCoordinate id="EE5F50385013FFDAFE71556BFD8ECD25" box="[495,628,306,332]" degrees="34" direction="south" minutes="05.55" orientation="latitude" pageId="21" pageNumber="22" precision="9" value="-34.0925">34°05.55’S</geoCoordinate>
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<geoCoordinate id="EE5F50385013FFDAFDE2556BFCFCCD25" box="[636,774,306,332]" degrees="18" direction="east" minutes="25.37" orientation="longitude" pageId="21" pageNumber="22" precision="9" value="18.422832">18°25.37’E</geoCoordinate>
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), coll. S.
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<collectionCode id="ED7AAE3A5013FFDAFCF5556BFC7ECD25" box="[875,900,306,332]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="21" pageNumber="22">R</collectionCode>
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.
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<collectorName id="269E53295013FFDAFC0E556BFC13CD25" box="[912,1001,306,332]" pageId="21" pageNumber="22">Daniels</collectorName>
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and
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<collectorName id="269E53295013FFDAFBBC556BFB62CD25" box="[1058,1176,306,332]" pageId="21" pageNumber="22">G. Gouws</collectorName>
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,
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<date id="FFD5103F5013FFDAFB3A556BFA73CD25" box="[1188,1417,306,332]" pageId="21" pageNumber="22" value="2000-11-10">
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<collectingDate id="EF91E9D75013FFDAFB3A556BFA73CD25" box="[1188,1417,306,332]" pageId="21" pageNumber="22" value="2000-11-10">10 November 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="8BD436FF5013FFDAFF585503FBA8CDF5" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<materialsCitation id="3B033CA25013FFDAFF585503FBB7CDF5" accessionNumber="A44937" collectionCode="SAM" pageId="21" pageNumber="22" specimenCount="8" specimenCount-female="4" specimenCount-male="4" typeStatus="paratype">
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<emphasis id="B91FEAED5013FFDAFF585503FEB7CD1D" bold="true" box="[198,333,346,372]" pageId="21" pageNumber="22">
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<typeStatus id="54D0885D5013FFDAFF585503FEB2CD1D" box="[198,328,346,372]" pageId="21" pageNumber="22" type="paratype">Paratypes</typeStatus>
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||
:
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</emphasis>
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||
<collectionCode id="ED7AAE3A5013FFDAFEC45503FE63CD1D" box="[346,409,346,372]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="21" pageNumber="22">SAM</collectionCode>
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||
A44937,
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<specimenCount id="9D6DFD765013FFDAFD865503FDD6CD07" box="[536,556,346,366]" pageId="21" pageNumber="22" type="male">♂</specimenCount>
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||
(
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||
<quantity id="4C939B1A5013FFDAFDDE5503FD5ECD1D" box="[576,676,346,372]" metricMagnitude="-3" metricUnit="m" metricValue="8.6" pageId="21" pageNumber="22" unit="mm" value="8.6">8.6 mm</quantity>
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, dissected) and
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<specimenCount id="9D6DFD765013FFDAFCF35503FC7BCD07" box="[877,897,346,366]" pageId="21" pageNumber="22" type="female">♀</specimenCount>
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||
(preparatory
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||
<quantity id="4C939B1A5013FFDAFBB55503FB77CD1D" box="[1067,1165,346,372]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" pageId="21" pageNumber="22" unit="mm" value="7.5">7.5 mm</quantity>
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, dissected) parts slide mounted and in microvials, additional
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<specimenCount id="9D6DFD765013FFDAFDC555DBFD7FCDFF" box="[603,645,386,412]" pageId="21" pageNumber="22" type="male">3 ♂</specimenCount>
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||
,
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||
<specimenCount id="9D6DFD765013FFDAFD0A55DBFD47CDFF" box="[660,701,386,412]" pageId="21" pageNumber="22" type="female">3 ♀</specimenCount>
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||
, collection details as for
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<typeStatus id="54D0885D5013FFDAFC7D55DBFBB7CDF5" box="[995,1101,386,412]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
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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="C37165745013FFDAFF5855F3FA71CD85" pageId="21" pageNumber="22" type="etymology">
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<paragraph id="8BD436FF5013FFDAFF5855F3FA71CD85" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<emphasis id="B91FEAED5013FFDAFF5855F3FEA9CDAD" bold="true" box="[198,339,426,452]" pageId="21" pageNumber="22">Etymology.</emphasis>
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From the Latin adjective “baccatus”, meaning “adorned, ornamented or set with pearls”, in reference to the distinct round or globular flagellar articles of the antenna, which resemble a string of pearls.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37165745013FFD4FF5855A3FBF4C9DB" lastPageId="27" lastPageNumber="28" pageId="21" pageNumber="22" type="diagnosis">
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<paragraph id="8BD436FF5013FFDAFF5855A3FC5DC875" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<emphasis id="B91FEAED5013FFDAFF5855A3FEBCCE7D" bold="true" box="[198,326,506,532]" pageId="21" pageNumber="22">Diagnosis.</emphasis>
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Mandibular groove smoothly indented. Pleonites 1–4 width 1.28–1.46 composite length in dorsal view. Pleotelson dorsal surface covered with abundant elongate setae; ventral margin anterior to uropods with single row of (2 or 3) simple RS; posterior apex with 1 pair of RS. Antennula distal articles rounded and inflated, oval in cross-section. Antenna flagellum articles broad, rounded and globular. Mandibular palp article 3 with 19 setulate setae on mesiodistal margins; 7 or 8 additional setae on mesial surface. Maxillula mesial lobe width 0.77 lateral lobe width; lateral lobe distal margin with 2 smooth RS, 10 denticulate RS. Maxilla outer lateral lobe distal margin with 23 long bidenticulate setae. Maxilliped palp insertion on basis ventral surface with 8 subdistal SS towards mesial margin; palp article 4 length:width 0.85. Pereopod I propodal palm with 1 bifid and 3 serrate denticulate stout setae, 4 basally-inflated stout RS, 8 elongate broad-based setae present along or lateral to margin. Pereopods II and III basis dorsal ridge in cross-section rounded. Pereopod IV carpus with 3 broad-based setae on ventral margin in male. Pereopods V–VII with PNS distodorsally on carpus, dorsally on basis. Pereopod VII ischium dorsal ridge forming flange subequal to shaft width. Penes with setae on shaft and tip. Uropod total length 1.34 pleotelson length in male; protopod ventral margin with long laterally projecting setae; exopod length 1.21 endopod length.
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</paragraph>
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<paragraph id="8BD436FF5013FFDAFF585073FE8BC88D" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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||
<emphasis id="B91FEAED5013FFDAFF585073FE40C82D" bold="true" box="[198,442,1066,1092]" pageId="21" pageNumber="22">Descriptions. Male.</emphasis>
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<emphasis id="B91FEAED5013FFDAFE5D5073FDB6C82A" box="[451,588,1066,1091]" italics="true" pageId="21" pageNumber="22">Coloration.</emphasis>
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Body strongly pigmented, brown/slate-grey to black-grey; dorsal band most strongly pigmented, lighter pigmentation towards ventral margins of pleonites; unpigmented patches give mottled appearance to lateral cephalon, pereonites and pleotelson; slight pigmentation on uropodal protopods; pereopods generally lack pigmentation, white to off-white; pigmentation fades to lighter brown-grey upon preservation.
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||
</paragraph>
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||
<paragraph id="8BD436FF5013FFDAFF5B50AAFC27C95D" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<emphasis id="B91FEAED5013FFDAFF5B50AAFEFEC965" box="[197,260,1267,1292]" italics="true" pageId="21" pageNumber="22">Head</emphasis>
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setae sparse, fine. Eyes projecting anteriorly, bulging slightly dorsolaterally; maximum diameter 0.14–0.16 head depth; round to oval, longest axis horizontal or oblique.
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</paragraph>
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<paragraph id="8BD436FF5013FFDAFF5B511AFB78C9BD" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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||
<emphasis id="B91FEAED5013FFDAFF5B511AFEE2C935" box="[197,280,1347,1372]" italics="true" pageId="21" pageNumber="22">Pereon</emphasis>
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width exceeding head width; setae on dorsal surface concentrated along posterior pereonite margins, length of setae 0.18–0.21 body depth. Pereonite 1 length:width in dorsal view 0.33. Pereonite 2 length:width 0.32–0.39. Pereonite 3 length:width 0.45–0.55. Pereonite 4 length:width 0.43. Pereonite 5 length:width 0.47. Pereonite 6 length:width 0.41. Pereonite 7 length:width 0.20–0.24.
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</paragraph>
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<paragraph id="8BD436FF5013FFDAFF5B51BAFCB7CA1D" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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||
<emphasis id="B91FEAED5013FFDAFF5B51BAFEC8C995" box="[197,306,1507,1532]" italics="true" pageId="21" pageNumber="22">Pleonites</emphasis>
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2–4 respective lengths in dorsal view less than half the length of pleonite 5, 1–4 relative lengths unequal, pleonite 4 length greater than pleonites 1–3. Pleonites 1–5 dorsal length:maximum width of pleonites 1–5 respectively 0.12–0.16, 0.16, 0.17, 0.23 and 0.49. Pleonites 1–5 depth:pereonite 7 depth respectively 1.19–1.40, 1.59–1.89, 1.75–2.07, 1.73–2.06 and 1.47–1.74.
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||
</paragraph>
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<paragraph id="8BD436FF5013FFDAFF5B52DAFCB3CAAD" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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||
<emphasis id="B91FEAED5013FFDAFF5B52DAFEBACAF5" box="[197,320,1667,1692]" italics="true" pageId="21" pageNumber="22">Pleotelson</emphasis>
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dorsal surface in lateral view inflected ventrally, length 1.07–1.10 width; lateral length less than (0.86–0.88) depth; depth 1.46–1.53 pereonite 7 depth.
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</paragraph>
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<paragraph id="8BD436FF5013FFDAFF5B528AFDCDCB0D" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
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<emphasis id="B91FEAED5013FFDAFF5B528AFEC7CA85" box="[197,317,1747,1772]" italics="true" pageId="21" pageNumber="22">Antennula</emphasis>
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||
(
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<figureCitation id="13502A7A5013FFDAFED1528BFE6CCA85" box="[335,406,1746,1772]" captionStart="FIGURE 5" captionStartId="22.[151,255,1886,1910]" captionTargetBox="[203,1362,213,1841]" captionTargetId="figure-58@22.[151,1436,194,1862]" captionTargetPageId="22" captionText="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." pageId="21" pageNumber="22">Fig. 5</figureCitation>
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) length 0.17 body length, with 6–9 articles. Articles 4 and 5 divisible into 1 large or 2 small articles (articles 4 and 5, 6 and 7 potentially single articles). Article 3 with rudimentary antennular scale. Tiny aesthetascs, 3 or 4, around terminal article. Terminal article length:width 0.25–0.33. Penultimate article distinctly longer than other articles.
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</paragraph>
|
||
<paragraph id="8BD436FF5013FFDAFF5B532AFDB0CBDD" blockId="21.[151,1436,266,1972]" pageId="21" pageNumber="22">
|
||
<emphasis id="B91FEAED5013FFDAFF5B532AFEDCCBE5" box="[197,294,1907,1932]" italics="true" pageId="21" pageNumber="22">Antenna</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A5013FFDAFEA4532BFE79CBE5" box="[314,387,1906,1932]" captionStart="FIGURE 5" captionStartId="22.[151,255,1886,1910]" captionTargetBox="[203,1362,213,1841]" captionTargetId="figure-58@22.[151,1436,194,1862]" captionTargetPageId="22" captionText="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." pageId="21" pageNumber="22">Fig. 5</figureCitation>
|
||
) length 0.54 body length. Flagellum length 0.62 total antenna length, with 18 articles. Article 5 length subequal to article 4.
|
||
</paragraph>
|
||
<caption id="DF1466775010FFD9FF095307FEA8CBD2" pageId="22" pageNumber="23" startId="22.[151,255,1886,1910]" targetBox="[203,1362,213,1841]" targetPageId="22">
|
||
<paragraph id="8BD436FF5010FFD9FF095307FEA8CBD2" blockId="22.[151,1436,1886,1979]" pageId="22" pageNumber="23">
|
||
<emphasis id="B91FEAED5010FFD9FF095307FEE0CB1F" bold="true" box="[151,282,1886,1910]" pageId="22" pageNumber="23">FIGURE 5.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5010FFD9FEBC5306FDCFCB1F" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[290,565,1887,1910]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="baccatus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5010FFD9FEBC5306FDCFCB1F" box="[290,565,1887,1910]" italics="true" pageId="22" pageNumber="23">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5010FFD9FDA35307FD80CB1F" bold="true" box="[573,634,1886,1910]" pageId="22" pageNumber="23">
|
||
<taxonomicNameLabel id="A22C57965010FFD9FDA35307FD80CB1F" box="[573,634,1886,1910]" pageId="22" pageNumber="23" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF1466775011FFD8FF095316FC2ACBA7" pageId="23" pageNumber="24" startId="23.[151,255,1871,1895]" targetBox="[227,1344,210,1837]" targetPageId="23">
|
||
<paragraph id="8BD436FF5011FFD8FF095316FC2ACBA7" blockId="23.[151,1436,1871,1998]" pageId="23" pageNumber="24">
|
||
<emphasis id="B91FEAED5011FFD8FF095316FEE3CB0E" bold="true" box="[151,281,1871,1895]" pageId="23" pageNumber="24">FIGURE 6.</emphasis>
|
||
<taxonomicName id="4C6B4D7C5011FFD8FEBF5309FDC9CB0E" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[289,563,1872,1895]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="baccatus" status="sp. nov.">
|
||
<emphasis id="B91FEAED5011FFD8FEBF5309FDC9CB0E" box="[289,563,1872,1895]" italics="true" pageId="23" pageNumber="24">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED5011FFD8FDA55316FD8DCB0E" bold="true" box="[571,631,1871,1895]" pageId="23" pageNumber="24">
|
||
<taxonomicNameLabel id="A22C57965011FFD8FDA55316FD8DCB0E" box="[571,631,1871,1895]" pageId="23" pageNumber="24" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–G, dissected male paratype. A, right mandible, with enlargement of terminal article of mandibular palp; B, right mandible spine row; C, left mandible, with enlargement of lacinia mobilis and spine row; D, left mandibular palp, with enlargement of pectinate seta; E, maxillula, with lateral lobe distal margin enlarged; F, maxilliped, ventral view; G, maxilliped basal endite, dorsal view.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF146677501EFFD7FF095352FA90CB2C" pageId="24" pageNumber="25" startId="24.[151,255,1803,1827]" targetBox="[269,1363,191,1769]" targetPageId="24">
|
||
<paragraph id="8BD436FF501EFFD7FF095352FA90CB2C" blockId="24.[151,1436,1803,1861]" pageId="24" pageNumber="25">
|
||
<emphasis id="B91FEAED501EFFD7FF095352FEE2CB4A" bold="true" box="[151,280,1803,1827]" pageId="24" pageNumber="25">FIGURE 7.</emphasis>
|
||
<taxonomicName id="4C6B4D7C501EFFD7FE815355FDD5CB4A" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[287,559,1804,1827]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="baccatus" status="sp. nov.">
|
||
<emphasis id="B91FEAED501EFFD7FE815355FDD5CB4A" box="[287,559,1804,1827]" italics="true" pageId="24" pageNumber="25">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED501EFFD7FDA85352FD8BCB4A" bold="true" box="[566,625,1803,1827]" pageId="24" pageNumber="25">
|
||
<taxonomicNameLabel id="A22C5796501EFFD7FDA85352FD8BCB4A" box="[566,625,1803,1827]" pageId="24" pageNumber="25" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD436FF501EFFD7FF5B532DFA66CBB4" blockId="24.[151,1436,1907,2013]" pageId="24" pageNumber="25">
|
||
<emphasis id="B91FEAED501EFFD7FF5B532DFEB4CBE4" box="[197,334,1908,1933]" italics="true" pageId="24" pageNumber="25">Mouthfield.</emphasis>
|
||
Clypeus rounded laterally, asymmetrically at mandibular fossae; width 0.72 head width. Labrum (
|
||
<figureCitation id="13502A7A501EFFD7FE9653C2FEA8CBDC" box="[264,338,1947,1973]" captionStart="FIGURE 5" captionStartId="22.[151,255,1886,1910]" captionTargetBox="[203,1362,213,1841]" captionTargetId="figure-58@22.[151,1436,194,1862]" captionTargetPageId="22" captionText="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." pageId="24" pageNumber="25">Fig. 5</figureCitation>
|
||
) oblong along dorsoventral axis, semi-circular to broadly triangular (pointed ventrally) in anterior view, with fringe of fine setae along distal margin; dorsal margin same width as clypeus. Paragnaths
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501FFFD6FF0954C1FD0ECCB3" blockId="25.[151,1436,152,218]" pageId="25" pageNumber="26">
|
||
(
|
||
<figureCitation id="13502A7A501FFFD6FF0154C1FF1CCCDB" box="[159,230,152,178]" captionStart="FIGURE 5" captionStartId="22.[151,255,1886,1910]" captionTargetBox="[203,1362,213,1841]" captionTargetId="figure-58@22.[151,1436,194,1862]" captionTargetPageId="22" captionText="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." pageId="25" pageNumber="26">Fig. 5</figureCitation>
|
||
) with distally rounded lobes; dense mats of fine setae on distomesial margins and in multiple rows on surfaces; lateral margins of lobes with scattered SS.
|
||
</paragraph>
|
||
<caption id="DF146677501FFFD6FF0953F2FE34CB8D" pageId="25" pageNumber="26" startId="25.[151,255,1963,1987]" targetBox="[198,1403,285,1930]" targetPageId="25">
|
||
<paragraph id="8BD436FF501FFFD6FF0953F2FE34CB8D" blockId="25.[151,1436,1963,2020]" pageId="25" pageNumber="26">
|
||
<emphasis id="B91FEAED501FFFD6FF0953F2FEE3CBAA" bold="true" box="[151,281,1963,1987]" pageId="25" pageNumber="26">FIGURE 8.</emphasis>
|
||
<taxonomicName id="4C6B4D7C501FFFD6FEBF53F2FDC9CBAB" authority="Gouws, 2008" authorityName="Gouws" authorityYear="2008" box="[289,563,1963,1986]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="baccatus" status="sp. nov.">
|
||
<emphasis id="B91FEAED501FFFD6FEBF53F2FDC9CBAB" box="[289,563,1963,1986]" italics="true" pageId="25" pageNumber="26">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91FEAED501FFFD6FDA453F2FD8CCBAA" bold="true" box="[570,630,1963,1987]" pageId="25" pageNumber="26">
|
||
<taxonomicNameLabel id="A22C5796501FFFD6FDA453F2FD8CCBAA" box="[570,630,1963,1987]" pageId="25" pageNumber="26" 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="8BD436FF501CFFD5FF5B54C1FA66CD43" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B54C1FECFCCD8" box="[197,309,152,177]" italics="true" pageId="26" pageNumber="27">Mandible</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FED754C1FE68CCDB" box="[329,402,152,178]" captionStart="FIGURE 6" captionStartId="23.[151,255,1871,1895]" captionTargetBox="[227,1344,210,1837]" captionTargetId="figure-80@23.[151,1436,194,1847]" captionTargetPageId="23" captionText="FIGURE 6. Mesamphisopus baccatus n. sp. A–G, dissected male paratype. A, right mandible, with enlargement of terminal article of mandibular palp; B, right mandible spine row; C, left mandible, with enlargement of lacinia mobilis and spine row; D, left mandibular palp, with enlargement of pectinate seta; E, maxillula, with lateral lobe distal margin enlarged; F, maxilliped, ventral view; G, maxilliped basal endite, dorsal view." pageId="26" pageNumber="27">Fig. 6</figureCitation>
|
||
) palp length 1.10 mandible length; article 1 with elongate SS distomesially; article 2 with elongate SS scattered along length of mesial margin, separate distal row of 4 closely-set elongate SS distally on both mesial and lateral surfaces. Left spine row with 11–13 spines, 4 of which are bifurcate. Right spine row with 8 spines, 5 of which are bifurcate. Molar process longer than wide or length subequal to width.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B5561FE0CCDCB" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B5561FECDCD38" box="[197,311,312,337]" italics="true" pageId="26" pageNumber="27">Maxillula</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FED95561FE77CD3B" box="[327,397,312,338]" captionStart="FIGURE 6" captionStartId="23.[151,255,1871,1895]" captionTargetBox="[227,1344,210,1837]" captionTargetId="figure-80@23.[151,1436,194,1847]" captionTargetPageId="23" captionText="FIGURE 6. Mesamphisopus baccatus n. sp. A–G, dissected male paratype. A, right mandible, with enlargement of terminal article of mandibular palp; B, right mandible spine row; C, left mandible, with enlargement of lacinia mobilis and spine row; D, left mandibular palp, with enlargement of pectinate seta; E, maxillula, with lateral lobe distal margin enlarged; F, maxilliped, ventral view; G, maxilliped basal endite, dorsal view." pageId="26" pageNumber="27">Fig. 6</figureCitation>
|
||
) mesial lobe length 0.85 lateral lobe length; with 2 distally denticulate accessory setae, 1 on distolateral margin and 1 at base of mesial central PPS. Lateral lobe with 3 RS in distal setal row; ventral face with 2 widely spaced PS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B55E9FECDCED3" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B55E9FEDACDA0" box="[197,288,432,457]" italics="true" pageId="26" pageNumber="27">Maxilla</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FEAD55E9FE81CDA3" box="[307,379,432,458]" captionStart="FIGURE 5" captionStartId="22.[151,255,1886,1910]" captionTargetBox="[203,1362,213,1841]" captionTargetId="figure-58@22.[151,1436,194,1862]" captionTargetPageId="22" captionText="FIGURE 5. Mesamphisopus baccatus n. sp. A and B, holotype, remainder dissected male paratype. A, habitus, lateral view; B, dorsal view (with single antennula, antenna and uropod figured); C, antennula; D, antenna; E, labrum; F, paragnaths; G, maxilla." pageId="26" pageNumber="27">Fig. 5</figureCitation>
|
||
) mesial lobe width 0.80 outer lateral lobe width; proximal portion smoothly continuous with distal portion; proximal and distal setal rows separated by gap; 13 fairly broad-based elongate SS in single ventral basal row; 40–42 elongate, closely-set setae, with distinct base, smooth shaft, slightly plumose distally in dorsal basal row; 16 or 17 broad-based, distally plumose elongate setae with distinct base and smooth shaft grade into apical cluster of multiple pectinate, SS and PS (24) in 3 distal rows. Outer lateral lobe length subequal to inner lateral lobe, wider than inner lateral lobe. Inner lateral lobe distal margin with 14 long bidenticulate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B5691FE98CFEB" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B5691FEBECE88" box="[197,324,712,737]" italics="true" pageId="26" pageNumber="27">Maxilliped</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FEC85691FE64CE8B" box="[342,414,712,738]" captionStart="FIGURE 6" captionStartId="23.[151,255,1871,1895]" captionTargetBox="[227,1344,210,1837]" captionTargetId="figure-80@23.[151,1436,194,1847]" captionTargetPageId="23" captionText="FIGURE 6. Mesamphisopus baccatus n. sp. A–G, dissected male paratype. A, right mandible, with enlargement of terminal article of mandibular palp; B, right mandible spine row; C, left mandible, with enlargement of lacinia mobilis and spine row; D, left mandibular palp, with enlargement of pectinate seta; E, maxillula, with lateral lobe distal margin enlarged; F, maxilliped, ventral view; G, maxilliped basal endite, dorsal view." pageId="26" pageNumber="27">Fig. 6</figureCitation>
|
||
) epipod length:width 1.28; SS scattered along mesiodistal margin. Endite length:total basis length 0.44; mesial margin with 3 coupling hooks on left side, 2 on right side; dorsal ridge with 19 or 20 large distally denticulate PS. Palp insertion on basis lateral margin with 3 elongate fairly stout SS; palp width across articles 2 and 3:endite width 1.75; article 4 subcircular; article 5 length:width 1.25, article 5 length:article 4 length 0.91.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B57C9FEEBC8F3" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B57C9FEB7CFC0" box="[197,333,912,937]" italics="true" pageId="26" pageNumber="27">Pereopod I</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FEFC57C9FE57CFC3" box="[354,429,912,938]" captionStart="FIGURE 7" captionStartId="24.[151,255,1803,1827]" captionTargetBox="[269,1363,191,1769]" captionTargetId="figure-100@24.[151,1436,176,1779]" captionTargetPageId="24" captionText="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." pageId="26" pageNumber="27">Fig. 7</figureCitation>
|
||
) length:body length 0.53. Dactylus length subequal to palm or longer than palm, length:palm length 1.10–1.82; ventrodistal margin with thin, fine scale-like spines along 0.05 total length; claw length:dactylus length 0.10; distal accessory claw length 0.25–0.33 primary claw length. Propodus length:width 1.14; dorsal margin with 8–15 setae in several groups between proximal and distal margin, including
|
||
<quantity id="4C939B1A501CFFD5FE925069FEC2C823" box="[268,312,1072,1098]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="26" pageNumber="27" unit="in" value="4.0">4 in</quantity>
|
||
distal group. Propodal palm cuticular fringe weakly developed. Ischium dorsal margin with 7 or 8 SS, including 1 RS. Basis length:width 2.08; 2–7 dorsal setae along ridge; ventrodistal margin with 3 elongate setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B50F1FC17C9E3" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B50F1FE39C8A8" box="[197,451,1192,1217]" italics="true" pageId="26" pageNumber="27">Pereopods II and III</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FE4650F1FDDFC8AB" box="[472,549,1192,1218]" captionStart="FIGURE 7" captionStartId="24.[151,255,1803,1827]" captionTargetBox="[269,1363,191,1769]" captionTargetId="figure-100@24.[151,1436,176,1779]" captionTargetPageId="24" captionText="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." pageId="26" pageNumber="27">Fig. 7</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344501CFFD5FDA950F1FD6BC8AB" box="[567,657,1192,1218]" 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="26" pageNumber="27">Table 1</tableCitation>
|
||
) dactylus distal accessory claw length 0.25–0.33 primary claw length. Pereopod II and III each with 5 broad-based setae on propodus, evenly spaced along ventral margin, setae 0.17–0.19 and 0.08–0.27 respective propodus lengths. Pereopod II and III each with 6 broad-based setae along carpus ventral margin, additional 2 setae distolaterally on pereopod II carpus, setae 0.20–0.54 respective carpus length. Basis dorsal ridge with 9 or 10 elongate SS along margin, some clustering in proximal group. Pereopods II–IV ischium dorsal margin with 8–11 SS, including 1–3 RS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B51C1FD41CA3B" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B51C1FEA3C9D8" box="[197,345,1432,1457]" italics="true" pageId="26" pageNumber="27">Pereopod IV</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FEF551C1FE4BC9DB" box="[363,433,1432,1458]" captionStart="FIGURE 7" captionStartId="24.[151,255,1803,1827]" captionTargetBox="[269,1363,191,1769]" captionTargetId="figure-100@24.[151,1436,176,1779]" captionTargetPageId="24" captionText="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." pageId="26" pageNumber="27">Fig. 7</figureCitation>
|
||
) dactylus longer than propodal palm; distal accessory claw length 0.33 primary claw length. Propodus length:pereopod length 0.12; length:width 1.41; distal width:palm width 0.70; with 4 broadbased setae on ventral margin, 2 distinctly larger than remainder; articular plate longer than dactylar claw. Carpus length:pereopod length 0.15. Ischium posterodistal margin with 5–8 setae. Basis length:width 2.54; dorsal ridge may appear rounded, with 8 setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B5239FC08CA9B" blockId="26.[151,1436,152,2018]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B5239FE68CA10" box="[197,402,1632,1657]" italics="true" pageId="26" pageNumber="27">Pereopods V–VII</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FE385239FE0BCA13" box="[422,497,1632,1658]" captionStart="FIGURE 7" captionStartId="24.[151,255,1803,1827]" captionTargetBox="[269,1363,191,1769]" captionTargetId="figure-100@24.[151,1436,176,1779]" captionTargetPageId="24" captionText="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." pageId="26" pageNumber="27">Fig. 7</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344501CFFD5FD9F5239FDA6CA13" box="[513,604,1632,1658]" 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="26" pageNumber="27">Table 2</tableCitation>
|
||
) dactylus distal accessory claw ventrolateral to primary claw, length 0.33–0.45 primary claw length. Propodus distal margins with 4–6 elongate RS. Pereopods V–VII ischium dorsal margin 5–10 SS, including 2–4 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.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD5FF5B5359FC54CB73" blockId="26.[151,1436,152,2018]" box="[197,942,1792,1818]" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B5359FEF1CB70" box="[197,267,1792,1817]" italics="true" pageId="26" pageNumber="27">Penes</emphasis>
|
||
length 0.32 body width at pereonite 7; distal tip rounded.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501CFFD4FF5B5371FF31CD43" blockId="26.[151,1436,152,2018]" lastBlockId="27.[151,1436,152,2018]" lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27">
|
||
<emphasis id="B91FEAED501CFFD5FF5B5371FEC8CB28" box="[197,306,1832,1857]" italics="true" pageId="26" pageNumber="27">Pleopods</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501CFFD5FEDC5371FE73CB2B" box="[322,393,1832,1858]" 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="26" pageNumber="27">Fig. 8</figureCitation>
|
||
;
|
||
<tableCitation id="C6E90344501CFFD5FE0B5371FE17CB2B" box="[405,493,1832,1858]" 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="26" pageNumber="27">Table 3</tableCitation>
|
||
). Pleopod I–V endopod margins with PS. Protopod mesial margins/epipods I–IV with 4, 3, 2 and 2 coupling hooks, respectively; II–V with 4, 7, 6, and 6 elongate SS, respectively. Protopod lateral epipod III length 2.25–2.29 width, lateral epipod V length 1.64–1.93 width. Protopod lateral margin of pleopod I with 2 elongate SS; lateral epipods III–V with 28, 25 and 20 elongate SS on margins, respectively. Pleopod I exopod broadest proximally, mesial margin straight to slightly convex, dorsal surface with setae; protopod length subequal to that of other pleopods, width subequal to length. Pleopod II endopod appendix masculina basal musculature pronounced; with 24 setae occurring along lateral margin and proximally and most distally along mesial margin; length 0.38 pleopod length; distal tip extending to distal margin of endopod.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5561FCFCCDA3" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5561FEE5CD38" box="[197,287,312,337]" italics="true" pageId="27" pageNumber="28">Uropod</emphasis>
|
||
(
|
||
<figureCitation id="13502A7A501DFFD4FEAC5561FE83CD3B" box="[306,377,312,338]" captionStart="FIGURE 7" captionStartId="24.[151,255,1803,1827]" captionTargetBox="[269,1363,191,1769]" captionTargetId="figure-100@24.[151,1436,176,1779]" captionTargetPageId="24" captionText="FIGURE 7. Mesamphisopus baccatus n. sp. A–H, dissected male paratype. A, pereopod I, with enlargement of propodal palm; B, pereopod II; C, pereopod III; D, pereopod IV; E, pereopod V; F, pereopod VI; G, pereopod VII; H, uropod." pageId="27" pageNumber="28">Fig. 7</figureCitation>
|
||
) protopod length:width 2.90; length 0.44 uropod total length; extending posteriorly subequal to pleotelson apex; dorsomesial ridge produced, plate-like, ridge length:endopod length 0.50. Rami (in cross-section) flattened on dorsal surface only. Endopod dorsal margin with 6 RS along length and apically. Exopod with 4 RS along dorsal margins and apically.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B558EFBF0CD9B" blockId="27.[151,1436,152,2018]" box="[197,1034,471,498]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B558EFEDDCD98" bold="true" box="[197,295,471,497]" pageId="27" pageNumber="28">Female.</emphasis>
|
||
<emphasis id="B91FEAED501DFFD4FEB15581FE8DCD98" box="[303,375,472,497]" italics="true" pageId="27" pageNumber="28">Head.</emphasis>
|
||
Mandibular groove more acutely indented than in male.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5659FCD4CE2B" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5659FEDBCE70" box="[197,289,512,537]" italics="true" pageId="27" pageNumber="28">Pereon.</emphasis>
|
||
Pereonite 2 length:width in dorsal view 0.41–0.43. Pereonite 3 length:width 0.38–0.46. Pereonite 5 length:width 0.36–0.40. Pereonite 7 length:width 0.17.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5609FB10CE03" blockId="27.[151,1436,152,2018]" box="[197,1258,592,618]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5609FEC7CE00" box="[197,317,592,617]" italics="true" pageId="27" pageNumber="28">Antennula</emphasis>
|
||
length 0.13 body length. Penultimate article subequal in length to other articles.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5621FD98CEFB" blockId="27.[151,1436,152,2018]" box="[197,610,632,658]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5621FEDCCEF8" box="[197,294,632,657]" italics="true" pageId="27" pageNumber="28">Antenna</emphasis>
|
||
flagellum with 16 articles.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B56F9FD5ACF33" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B56F9FEB2CED0" box="[197,328,672,697]" italics="true" pageId="27" pageNumber="28">Pereopod I</emphasis>
|
||
length:body length 0.42. Dactylus ventrodistal margin with thin scale-like spines along 0.31 total length; claw length:dactylus length 0.13. Propodus length:width 1.23. Propodal palm concave; cuticular fringe well developed; with 7 stout denticulate bifid setae, 7 elongate broad-based setae, additional broadbased SS lateral to margin. Ischium dorsal margin with 3–6 SS. Basis length:width 2.00; 6–8 dorsal setae clustered proximally and positioned along ridge.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5731FE89C84B" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5731FE42CFE8" box="[197,440,872,897]" italics="true" pageId="27" pageNumber="28">Pereopods II and III</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344501DFFD4FE575731FDD8CFEB" box="[457,546,872,898]" 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="27" pageNumber="28">Table 1</tableCitation>
|
||
). Pereopod II propodus broad-based setae 0.20–0.43 propodus length; carpus with 4 broad-based setae on ventral margin, 3 on distolateral surface. Pereopod III propodus broad-based setae up to 0.33 propodus length; evenly spaced from proximal third to distal margin; carpus with additional 2 broad-based setae on distolateral surface, setae reach 0.71 carpus length. Pereopod II basis dorsal ridge setation includes 2 PS.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5069FE86C8AB" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5069FEA7C820" box="[197,349,1072,1097]" italics="true" pageId="27" pageNumber="28">Pereopod IV</emphasis>
|
||
propodus length:width 1.80; with 3 broad-based setae on ventral margin; articular plate shorter than dactylar claw. Carpus length:pereopod length 0.11; with 5 broad-based setae on ventral margin and 3 on posterolateral surface. Ischium posterodistal margin with 4 setae. Basis length:width 1.78; dorsal ridge with 10 setae.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5089FC26C883" blockId="27.[151,1436,152,2018]" box="[197,988,1232,1258]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5089FE6CC880" box="[197,406,1232,1257]" italics="true" pageId="27" pageNumber="28">Pereopods V–VII.</emphasis>
|
||
Consult
|
||
<tableCitation id="C6E90344501DFFD4FD9E5089FDADC883" box="[512,599,1232,1258]" 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="27" pageNumber="28">Table 2</tableCitation>
|
||
for comparison with male ratios.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B50A1FF25C9E3" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B50A1FEC8C978" box="[197,306,1272,1297]" italics="true" pageId="27" pageNumber="28">Pleopods</emphasis>
|
||
(
|
||
<tableCitation id="C6E90344501DFFD4FEDD50A1FE64C97B" box="[323,414,1272,1298]" 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="27" pageNumber="28">Table 3</tableCitation>
|
||
). Endopod I–IV margins with PS and SS, V with SS only. Protopod mesial epipod IV with single coupling hook; epipods II–V with 4, 6, 6, and 7 elongate SS, respectively. Protopod lateral margin of pleopod I with 3 elongate SS; lateral epipods III–V with 21, 19 and 18 elongate SS on margins, respectively.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B51C1FBF4C9DB" blockId="27.[151,1436,152,2018]" box="[197,1038,1432,1458]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B51C1FEE5C9D8" box="[197,287,1432,1457]" italics="true" pageId="27" pageNumber="28">Uropod</emphasis>
|
||
total length 1.64 pleotelson length. Protopod length:width 3.25.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574501DFFD4FF5B51E6FEA8CA3B" pageId="27" pageNumber="28" type="distribution">
|
||
<paragraph id="8BD436FF501DFFD4FF5B51E6FEA8CA3B" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B51E6FE9CC9B0" bold="true" box="[197,358,1471,1497]" pageId="27" pageNumber="28">Distribution.</emphasis>
|
||
Known only from the
|
||
<typeStatus id="54D0885D501DFFD4FDE85199FD52C9B3" box="[630,680,1472,1498]" pageId="27" pageNumber="28">type</typeStatus>
|
||
locality, a marshy area about
|
||
<quantity id="4C939B1A501DFFD4FB955199FBB2C9B3" box="[1035,1096,1472,1498]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="27" pageNumber="28" unit="m" value="30.0">30 m</quantity>
|
||
north of the dam, to the east of Ou Kaapse Weg, Silvermine Nature Reserve. Individuals were taken from peaty, acidic (pH 4.0), black mud at the base of a shrub. Individuals were abundant, but appeared to have a patchy distribution within only the immediate area.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3716574501DFFD3FF5B5206FD1ECE73" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28" type="discussion">
|
||
<paragraph id="8BD436FF501DFFD4FF5B5206FAF5CB70" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5206FEC4CA10" bold="true" box="[197,318,1631,1657]" pageId="27" pageNumber="28">Remarks.</emphasis>
|
||
<taxonomicName id="4C6B4D7C501DFFD4FED95239FD89CA10" authorityName="Gouws" authorityYear="2008" box="[327,627,1632,1657]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501DFFD4FED95239FD89CA10" box="[327,627,1632,1657]" italics="true" pageId="27" pageNumber="28">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
is identified by the characteristic globular or inflated bulbous antennal and antennula flagellum articles of the short antennae and antennula. The antennal flagellum is short (<20 articles) compared to that of
|
||
<taxonomicName id="4C6B4D7C501DFFD4FE7052E9FD86CAA0" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[494,636,1712,1737]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED501DFFD4FE7052E9FD86CAA0" box="[494,636,1712,1737]" italics="true" pageId="27" pageNumber="28">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
(20 to 30 articles) and most other species (24 to 36 articles). However, other species, including those with short antennae (e.g.,
|
||
<taxonomicName id="4C6B4D7C501DFFD4FCF95281FC16CA98" authorityName="Gouws" authorityYear="2008" box="[871,1004,1752,1777]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="kensleyi">
|
||
<emphasis id="B91FEAED501DFFD4FCF95281FC16CA98" box="[871,1004,1752,1777]" italics="true" pageId="27" pageNumber="28">M. kensleyi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501DFFD4FBBA5281FB4BCA98" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[1060,1201,1752,1777]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED501DFFD4FBBA5281FB4BCA98" box="[1060,1201,1752,1777]" italics="true" pageId="27" pageNumber="28">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
), have antennal and antennular flagellum articles that are more rectangular or more slender than those of
|
||
<emphasis id="B91FEAED501DFFD4FBE65359FAF5CB70" box="[1144,1295,1792,1817]" italics="true" pageId="27" pageNumber="28">
|
||
<taxonomicName id="4C6B4D7C501DFFD4FBE65359FAF6CB70" authorityName="Gouws" authorityYear="2008" box="[1144,1292,1792,1817]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="baccatus">M. baccatus</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD4FF5B5371FBA5CBFB" blockId="27.[151,1436,152,2018]" pageId="27" pageNumber="28">
|
||
<taxonomicName id="4C6B4D7C501DFFD4FF5B5371FE09CB28" authorityName="Gouws" authorityYear="2008" box="[197,499,1832,1857]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501DFFD4FF5B5371FE09CB28" box="[197,499,1832,1857]" italics="true" pageId="27" pageNumber="28">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
is also unusual in having plumose setae on the endopods of all five pleopods. This is only encountered in
|
||
<taxonomicName id="4C6B4D7C501DFFD4FE445309FD77CB00" authorityName="Gouws" authorityYear="2008" box="[474,653,1872,1897]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="tsitsikamma">
|
||
<emphasis id="B91FEAED501DFFD4FE445309FD77CB00" box="[474,653,1872,1897]" italics="true" pageId="27" pageNumber="28">M. tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
and the examined female
|
||
<taxonomicName id="4C6B4D7C501DFFD4FC205309FBC1CB00" authorityName="Gouws" authorityYear="2008" box="[958,1083,1872,1897]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="albidus">
|
||
<emphasis id="B91FEAED501DFFD4FC205309FBC1CB00" box="[958,1083,1872,1897]" italics="true" pageId="27" pageNumber="28">M. albidus</emphasis>
|
||
</taxonomicName>
|
||
individual (this sexual dimorphism giving an indication of a possible inherent variability in pleopodal setation).
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501DFFD3FF5B53F9FEAECD6B" blockId="27.[151,1436,152,2018]" lastBlockId="28.[151,1436,152,538]" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28">
|
||
In terms of the extent of setation of the pleon and pleotelson,
|
||
<taxonomicName id="4C6B4D7C501DFFD4FC0B53F9FBDECBD0" authorityName="Gouws" authorityYear="2008" box="[917,1060,1952,1977]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501DFFD4FC0B53F9FBDECBD0" box="[917,1060,1952,1977]" italics="true" pageId="27" pageNumber="28">M. baccatus</emphasis>
|
||
</taxonomicName>
|
||
is similar to
|
||
<taxonomicName id="4C6B4D7C501DFFD4FB2353F9FA97CBD0" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[1213,1389,1952,1977]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED501DFFD4FB2353F9FA97CBD0" box="[1213,1389,1952,1977]" italics="true" pageId="27" pageNumber="28">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C501DFFD4FAE253F9FEF3CB88" baseAuthorityName="Barnard" baseAuthorityYear="1927" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED501DFFD4FAE253F9FEF3CB88" italics="true" pageId="27" pageNumber="28">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501DFFD4FEDC5391FE3DCB88" authorityName="Gouws" authorityYear="2008" box="[322,455,1992,2017]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="kensleyi">
|
||
<emphasis id="B91FEAED501DFFD4FEDC5391FE3DCB88" box="[322,455,1992,2017]" italics="true" pageId="27" pageNumber="28">M. kensleyi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C6B4D7C501DFFD4FE485391FCF9CB88" authorityName="Gouws" authorityYear="2008" box="[470,771,1992,2017]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501DFFD4FE485391FCF9CB88" box="[470,771,1992,2017]" italics="true" pageId="27" pageNumber="28">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
is similar to
|
||
<taxonomicName id="4C6B4D7C501DFFD4FC025391FBDBCB88" authorityName="Gouws" authorityYear="2008" box="[924,1057,1992,2017]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="kensleyi">
|
||
<emphasis id="B91FEAED501DFFD4FC025391FBDBCB88" box="[924,1057,1992,2017]" italics="true" pageId="27" pageNumber="28">M. kensleyi</emphasis>
|
||
</taxonomicName>
|
||
in setation of the pleon and ple- otelson, and also
|
||
<taxonomicName id="4C6B4D7C501AFFD3FEF954C1FDF8CCD8" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[359,514,152,177]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED501AFFD3FEF954C1FDF8CCD8" box="[359,514,152,177]" italics="true" pageId="28" pageNumber="29">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501AFFD3FDA054C1FD0ACCD8" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[574,752,152,177]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED501AFFD3FDA054C1FD0ACCD8" box="[574,752,152,177]" italics="true" pageId="28" pageNumber="29">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
. However,
|
||
<taxonomicName id="4C6B4D7C501AFFD3FCE554C1FB53CCD8" authorityName="Gouws" authorityYear="2008" box="[891,1193,152,177]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501AFFD3FCE554C1FB53CCD8" box="[891,1193,152,177]" italics="true" pageId="28" pageNumber="29">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
lacks the sub-apical pair of robust setae found dorsally on the pleotelson of
|
||
<taxonomicName id="4C6B4D7C501AFFD3FCDA5499FC02CCB0" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[836,1016,192,217]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED501AFFD3FCDA5499FC02CCB0" box="[836,1016,192,217]" italics="true" pageId="28" pageNumber="29">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C501AFFD3FB955499FB52CCB0" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[1035,1192,192,217]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED501AFFD3FB955499FB52CCB0" box="[1035,1192,192,217]" italics="true" pageId="28" pageNumber="29">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501AFFD3FB765499FEAACD6B" authority="(Kensley 2001)" baseAuthorityName="Kensley" baseAuthorityYear="2001" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="penicillatus">
|
||
<emphasis id="B91FEAED501AFFD3FB765499FA61CCB0" box="[1256,1435,192,217]" italics="true" pageId="28" pageNumber="29">M. penicillatus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFFA4B0E501AFFD3FF0154B1FEBDCD6B" author="Kensley, B." box="[159,327,232,258]" pageId="28" pageNumber="29" 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>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501AFFD3FF5B5549FE05CDCB" blockId="28.[151,1436,152,538]" pageId="28" pageNumber="29">
|
||
<taxonomicName id="4C6B4D7C501AFFD3FF5B5549FE08CD40" authorityName="Gouws" authorityYear="2008" box="[197,498,272,297]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501AFFD3FF5B5549FE08CD40" box="[197,498,272,297]" italics="true" pageId="28" pageNumber="29">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501AFFD3FDB25549FD30CD40" authorityName="Gouws" authorityYear="2008" box="[556,714,272,297]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="paludosus">
|
||
<emphasis id="B91FEAED501AFFD3FDB25549FD30CD40" box="[556,714,272,297]" italics="true" pageId="28" pageNumber="29">M. paludosus</emphasis>
|
||
</taxonomicName>
|
||
are unique among the six species described herein in lacking a well-developed lateral uropodal ridge on the pleotelson. Amongst the already-described species, the ridge has been documented or figured for
|
||
<taxonomicName id="4C6B4D7C501AFFD3FDC65539FCF6CD10" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[600,780,352,377]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="abbreviatus">
|
||
<emphasis id="B91FEAED501AFFD3FDC65539FCF6CD10" box="[600,780,352,377]" italics="true" pageId="28" pageNumber="29">M. abbreviatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C6B4D7C501AFFD3FC805539FC41CD10" baseAuthorityName="Barnard" baseAuthorityYear="1927" box="[798,955,352,377]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="depressus">
|
||
<emphasis id="B91FEAED501AFFD3FC805539FC41CD10" box="[798,955,352,377]" italics="true" pageId="28" pageNumber="29">M. depressus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C6B4D7C501AFFD3FC635539FB76CD10" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[1021,1164,352,377]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED501AFFD3FC635539FB76CD10" box="[1021,1164,352,377]" italics="true" pageId="28" pageNumber="29">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFFA4B0E501AFFD3FB3E5539FAB3CD13" author="Barnard, K. H." box="[1184,1353,352,378]" pageId="28" pageNumber="29" pagination="231 - 240" refId="ref28906" refString="Barnard, K. H. (1914) Contributions to the crustacean fauna of South Africa. 2. Description of a new species of Phreatoicus (Isopoda) from South Africa. Annals of the South African Museum, 10, 231 - 240." type="journal article" year="1914">Barnard 1914</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFFA4B0E501AFFD3FAC75539FA6DCD13" author="Barnard, K. H." box="[1369,1431,352,378]" pageId="28" pageNumber="29" 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">1927</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFFA4B0E501AFFD3FF0955D1FEC5CDCB" author="Nicholls, G. E." box="[151,319,392,418]" pageId="28" pageNumber="29" 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="EFFA4B0E501AFFD3FED555D1FE08CDCB" author="Kensley, B." box="[331,498,392,418]" pageId="28" pageNumber="29" 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>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BD436FF501AFFD3FF5B55E9FD1ECE73" blockId="28.[151,1436,152,538]" pageId="28" pageNumber="29">
|
||
The type locality of
|
||
<taxonomicName id="4C6B4D7C501AFFD3FE2955E9FD1ECDA0" authorityName="Gouws" authorityYear="2008" box="[439,740,432,457]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501AFFD3FE2955E9FD1ECDA0" box="[439,740,432,457]" italics="true" pageId="28" pageNumber="29">Mesamphisopus baccatus</emphasis>
|
||
</taxonomicName>
|
||
lies within the geographic range of
|
||
<taxonomicName id="4C6B4D7C501AFFD3FB0F55E9FAE4CDA0" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[1169,1310,432,457]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED501AFFD3FB0F55E9FAE4CDA0" box="[1169,1310,432,457]" italics="true" pageId="28" pageNumber="29">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
across the
|
||
<collectingRegion id="49AFF81D501AFFD3FF095581FF29CD9B" box="[151,211,472,498]" country="South Africa" name="Western Cape" pageId="28" pageNumber="29">Cape</collectingRegion>
|
||
Peninsula, but
|
||
<taxonomicName id="4C6B4D7C501AFFD3FE155581FDE1CD98" authorityName="Gouws" authorityYear="2008" box="[395,539,472,497]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="baccatus">
|
||
<emphasis id="B91FEAED501AFFD3FE155581FDE1CD98" box="[395,539,472,497]" italics="true" pageId="28" pageNumber="29">M. baccatus</emphasis>
|
||
</taxonomicName>
|
||
is further distinguished from
|
||
<taxonomicName id="4C6B4D7C501AFFD3FCE15581FBF7CD98" baseAuthorityName="Barnard" baseAuthorityYear="1914" box="[895,1037,472,497]" class="Malacostraca" family="Mesamphisopidae" genus="Mesamphisopus" kingdom="Animalia" order="Isopoda" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="capensis">
|
||
<emphasis id="B91FEAED501AFFD3FCE15581FBF7CD98" box="[895,1037,472,497]" italics="true" pageId="28" pageNumber="29">M. capensis</emphasis>
|
||
</taxonomicName>
|
||
by the more abundant setation of the pleon and the elongate setae on the pleotelson.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |