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<document id="6D677E663A137ED6DCE008009AC4D2E2" ID-DOI="10.1111/zoj.12260" ID-ISSN="0024-4082" ID-Zenodo-Dep="10107688" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630181172023" checkinUser="felipe" docAuthor="Zhang, Le-Jia, Chen, Shi-Chao, Yang, Li-Te, Jin, Lei &amp; Köhler, Frank" docDate="2015" docId="03E08799FF99E269FF4380CFFA9AFD27" docLanguage="en" docName="zoj12260.pdf" docOrigin="Zoological Journal of the Linnean Society 174 (4)" docSource="http://dx.doi.org/10.1111/zoj.12260" docStyle="DocumentStyle:FBF0BF18BB2B256F1F8008F27D80BF37.3:ZoolJLinnSoc.2010-2016.journal_article" docStyleId="FBF0BF18BB2B256F1F8008F27D80BF37" docStyleName="ZoolJLinnSoc.2010-2016.journal_article" docStyleVersion="3" docTitle="Tchangmargarya multilabiata Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler 2015, SP. NOV." docType="treatment" docVersion="3" lastPageNumber="787" masterDocId="FFD9FFE1FF80E272FFBD852AFF9BFFE0" masterDocTitle="Systematic revision of the freshwater snail Margarya Nevill, 1877 (Mollusca: Viviparidae) endemic to the ancient lakes of Yunnan, China, with description of new taxa" masterLastPageNumber="800" masterPageNumber="760" pageNumber="785" updateTime="1699642076156" updateUser="ExternalLinkService">
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<mods:title id="2D16E8A07311C4C4C9E86E620A8C2891">Systematic revision of the freshwater snail Margarya Nevill, 1877 (Mollusca: Viviparidae) endemic to the ancient lakes of Yunnan, China, with description of new taxa</mods:title>
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<mods:namePart id="E8252137FE830325FAF6A010C4B9A56E">Zhang, Le-Jia</mods:namePart>
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<mods:namePart id="DEC7ED8EA0513DA3B7B5804C0FF39D89">Chen, Shi-Chao</mods:namePart>
</mods:name>
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<mods:namePart id="993A2DD11F1307D589E8BAEEB3BE6498">Yang, Li-Te</mods:namePart>
</mods:name>
<mods:name id="1737680130516BDD23666556344E4E6C" type="personal">
<mods:role id="AC195C9FDFD0B427B50F916A3DF442EC">
<mods:roleTerm id="CE749D623CB7D79BCF48D36E1CAF43A0">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="3BC8B870298B25386321394788F5C78E">Jin, Lei</mods:namePart>
</mods:name>
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<mods:namePart id="EFC5DBF77C794F9C53DCA79CEABB8FAD">Köhler, Frank</mods:namePart>
</mods:name>
<mods:typeOfResource id="79763F16F6053EFEDD41A1FB1805217B">text</mods:typeOfResource>
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<mods:title id="F597D5ED596B7A8F7BAB3FA388705287">Zoological Journal of the Linnean Society</mods:title>
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<mods:date id="C8FA56B82686873EEE78EBF2A8B5B5B8">2015</mods:date>
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<mods:number id="DFB0BEABCE9013C5B24E57F6189E0F0C">2015-07-21</mods:number>
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<mods:number id="19E1D7060AFC742567A56D04DC016F5F">174</mods:number>
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<mods:number id="76976A384F8CC08369DD38926CF31797">4</mods:number>
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<mods:start id="5F179D48608CC2EC786AFDA6F6B6BF30">760</mods:start>
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<mods:identifier id="17413584562C11BFC6E6A0DCD8CD00D2" type="DOI">10.1111/zoj.12260</mods:identifier>
<mods:identifier id="D252FC4B0ABBDAF9038D07614F038E64" type="ISSN">0024-4082</mods:identifier>
<mods:identifier id="D03703A87B4A09FA2428EC5C652C88AA" type="Zenodo-Dep">10107688</mods:identifier>
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<treatment id="03E08799FF99E269FF4380CFFA9AFD27" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27" httpUri="http://treatment.plazi.org/id/03E08799FF99E269FF4380CFFA9AFD27" lastPageId="27" lastPageNumber="787" pageId="25" pageNumber="785">
<subSubSection id="C3536504FF99E26BFF4380CFFDD4F9F9" pageId="25" pageNumber="785" type="nomenclature">
<paragraph id="8BF6368FFF99E26BFF4380CFFDD4F9F9" blockId="25.[254,648,1509,1562]" pageId="25" pageNumber="785">
<heading id="D0BE81E3FF99E26BFF4380CFFDD4F9F9" centered="true" fontSize="9" level="2" pageId="25" pageNumber="785" reason="4">
<taxonomicName id="4C494D0CFF99E26BFF4380CFFD13FA19" ID-CoL="552GY" authority="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler, 2015" authorityName="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler" authorityYear="2015" box="[254,648,1509,1530]" class="Gastropoda" family="Viviparidae" genus="Tchangmargarya" kingdom="Animalia" order="Architaenioglossa" pageId="25" pageNumber="787" phylum="Mollusca" rank="species" species="multilabiata" status="sp. nov.">
<emphasis id="B93DEA9DFF99E26BFF4380CFFD13FA19" bold="true" box="[254,648,1509,1530]" italics="true" pageId="25" pageNumber="785">TCHANGMARGARYA MULTILABIATA</emphasis>
</taxonomicName>
ZHANG &amp; CHEN
<emphasis id="B93DEA9DFF99E26BFE4E8322FDD4F9F9" bold="true" box="[499,591,1540,1561]" pageId="25" pageNumber="785">
<taxonomicNameLabel id="A20E57E6FF99E26BFE4E8322FDD4F9F9" box="[499,591,1540,1561]" pageId="25" pageNumber="785" rank="species">SP. NOV.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3536504FF99E269FEC48301FA9AFD27" lastPageId="27" lastPageNumber="787" pageId="25" pageNumber="785" type="description">
<paragraph id="8BF6368FFF99E26BFEC48301FD96F9A1" blockId="25.[377,525,1579,1601]" box="[377,525,1579,1601]" pageId="25" pageNumber="785">
(
<figureCitation id="13722A0AFF99E26BFE3C8301FE47F9A0" box="[385,476,1579,1600]" captionStart="Figure 22" captionStartId="26.[164,240,1441,1460]" captionTargetBox="[330,1273,197,1401]" captionTargetId="figure-156@26.[323,1283,194,1411]" captionTargetPageId="26" captionText="Figure 22. Shells of Tchangmargarya multilabiata sp. nov. from Lake Changhu: A, holotype, male individual, FG594250; B, paratype, male individual, CH 1, 59.2 mm; C, paratype, female individual, CH 2, 52.8 mm; D, paratype, CH 7, 52.4 mm; E, paratype, CH 35, 50.77 mm; F, paratype, five keels variety with totally purple calcareous layers, CHX 1, 53.3 mm; G, inner lip; H, juvenile shell with band, 15.4 mm (provided by Hao Yang)." figureDoi="http://doi.org/10.5281/zenodo.10107734" httpUri="https://zenodo.org/record/10107734/files/figure.png" pageId="25" pageNumber="785">FIGS 22</figureCitation>
,
<figureCitation id="13722A0AFF99E26BFE548301FD9EF9A1" box="[489,517,1579,1601]" captionStart="Figure 23" captionStartId="27.[144,223,656,675]" captionTargetBox="[144,761,196,625]" captionTargetId="figure-669@27.[144,761,196,625]" captionTargetPageId="27" captionText="Figure 23. Scanning electron micrographs of the radula of Tchangmargarya multilabiata sp. nov. from Lake Changhu: A, central tooth; B, lateral tooth; C, inner marginal tooth; D, outer marginal tooth." figureDoi="http://doi.org/10.5281/zenodo.10107736" httpUri="https://zenodo.org/record/10107736/files/figure.png" pageId="25" pageNumber="785">23</figureCitation>
)
</paragraph>
<paragraph id="8BF6368FFF99E26BFF2D837BFED3F945" blockId="25.[144,759,1617,1701]" pageId="25" pageNumber="785">
<emphasis id="B93DEA9DFF99E26BFF2D837BFE96F986" box="[144,269,1617,1638]" italics="true" pageId="25" pageNumber="785">Etymology:</emphasis>
Derived from multi (Latin for many) and labium (Latin for lip), in reference to the many layers of the inner lip.
</paragraph>
<paragraph id="8BF6368FFF99E26BFF2D83F4FEFDF913" blockId="25.[144,759,1758,1903]" box="[144,358,1758,1779]" pageId="25" pageNumber="785">
<emphasis id="B93DEA9DFF99E26BFF2D83F4FEFDF913" box="[144,358,1758,1779]" italics="true" pageId="25" pageNumber="785">Material examined</emphasis>
</paragraph>
<paragraph id="8BF6368FFF99E26BFF2D83D7FBFEFA6A" blockId="25.[144,759,1758,1903]" lastBlockId="25.[806,1421,1091,1449]" pageId="25" pageNumber="785">
<materialsCitation id="3B213CD2FF99E26BFF2D83D7FD68F88F" accessionNumber="FG594250" collectionCode="IZCAS, FG" collectorName="Lejia Zhang" country="China" county="Shilin County" latitude="24.7" location="Male" longLatPrecision="1249" longitude="103.4" municipality="Changhu Lake" pageId="25" pageNumber="785" specimenCount="1" stateProvince="Yunnan" typeStatus="holotype">
<emphasis id="B93DEA9DFF99E26BFF2D83D7FE9EF8F2" box="[144,261,1789,1810]" italics="true" pageId="25" pageNumber="785">
<typeStatus id="54F2882DFF99E26BFF2D83D7FF64F8F2" box="[144,255,1789,1810]" pageId="25" pageNumber="785" type="holotype">Holotype</typeStatus>
:
</emphasis>
<location id="8E966054FF99E26BFEA583D7FECEF8F3" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFEA583D7FECEF8F3" box="[280,341,1789,1811]" country="China" county="Shilin County" latitude="24.7" longLatPrecision="1249" longitude="103.4" municipality="Changhu Lake" name="Male" pageId="25" pageNumber="785" stateProvince="Yunnan">Male</location>
(H =
<quantity id="4CB19B6AFF99E26BFE1483D7FDBCF8F2" box="[425,551,1789,1811]" metricMagnitude="-2" metricUnit="m" metricValue="4.846" pageId="25" pageNumber="785" unit="mm" value="48.46">48.46 mm</quantity>
, D =
<quantity id="4CB19B6AFF99E26BFDC983D7FD69F8F2" box="[628,754,1789,1811]" metricMagnitude="-2" metricUnit="m" metricValue="3.577" pageId="25" pageNumber="785" unit="mm" value="35.77">35.77 mm</quantity>
, LA =
<quantity id="4CB19B6AFF99E26BFF738231FEA4F8D1" box="[206,319,1819,1841]" metricMagnitude="-2" metricUnit="m" metricValue="2.552" pageId="25" pageNumber="785" unit="mm" value="25.52">25.52 mm</quantity>
, DA =
<quantity id="4CB19B6AFF99E26BFE318236FE60F8D1" box="[396,507,1820,1841]" metricMagnitude="-2" metricUnit="m" metricValue="1.9469999999999998" pageId="25" pageNumber="785" unit="mm" value="19.47">19.47 mm</quantity>
) from
<collectingMunicipality id="6B92ACF5FF99E26BFDF58236FD69F8D2" box="[584,754,1820,1842]" pageId="25" pageNumber="785">Changhu Lake</collectingMunicipality>
,
<collectingCounty id="62974E03FF99E26BFF2D8210FEA1F8AF" box="[144,314,1850,1872]" pageId="25" pageNumber="785">Shilin County</collectingCounty>
,
<collectingRegion id="498DF86DFF99E26BFEF78211FD86F8B0" box="[330,541,1850,1872]" country="China" name="Yunnan" pageId="25" pageNumber="785">Yunnan Province</collectingRegion>
,
<collectingCountry id="F35E761FFF99E26BFD908210FDE3F8B0" box="[557,632,1850,1872]" name="China" pageId="25" pageNumber="785">China</collectingCountry>
,
<geoCoordinate id="EE7D5048FF99E26BFD348210FD69F8B0" box="[649,754,1850,1872]" degrees="24" direction="north" minutes="42" orientation="latitude" pageId="25" pageNumber="785" precision="925" value="24.7">24°42 N</geoCoordinate>
,
<geoCoordinate id="EE7D5048FF99E26BFF2D8273FF62F88E" box="[144,249,1880,1902]" degrees="103" direction="east" minutes="24" orientation="longitude" pageId="25" pageNumber="785" precision="925" value="103.4">103°24 E</geoCoordinate>
, 2012.7., coll.
<collectorName id="26BC5359FF99E26BFE298273FD83F88F" box="[404,536,1881,1903]" pageId="25" pageNumber="785">Lejia Zhang</collectorName>
(
<collectionCode id="ED58AE4AFF99E26BFD988273FDEBF88E" box="[549,624,1881,1902]" country="China" httpUri="http://grbio.org/cool/crjh-4ne1" name="Institute of Zoology, Chinese Academy of Sciences" pageId="25" pageNumber="785">IZCAS</collectionCode>
<collectionCode id="ED58AE4AFF99E26BFDCA8273FD01F88F" box="[631,666,1881,1903]" country="Germany" name="Palaontologische Hauptsammlung der Bergakadmie" pageId="25" pageNumber="785">FG</collectionCode>
594250)
</materialsCitation>
.
<materialsCitation id="3B213CD2FF99E26BFC9B816EFAB8FB55" accessionNumber="FG 594251" collectionCode="IZCAS" collectorName="Lejia Zhang" country="Switzerland" location="Ninety-eight" municipality="Lake Changhu" pageId="25" pageNumber="785" specimenCode="FG 594251- 594258" specimenCount="1" typeStatus="paratype">
<emphasis id="B93DEA9DFF99E26BFC9B816EFC05FBB9" box="[806,926,1092,1113]" italics="true" pageId="25" pageNumber="785">
<typeStatus id="54F2882DFF99E26BFC9B816EFC0CFBB9" box="[806,919,1092,1113]" pageId="25" pageNumber="785" type="paratype">Paratypes</typeStatus>
:
</emphasis>
<location id="8E966054FF99E26BFC1B8169FBADFBB9" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFC1B8169FBADFBB9" box="[934,1078,1091,1113]" country="Switzerland" municipality="Lake Changhu" name="Ninety-eight" pageId="25" pageNumber="785">Ninety-eight</location>
specimens (
<collectingCountry id="F35E761FFF99E26BFB7E8169FB71FBB8" box="[1219,1258,1091,1112]" name="Switzerland" pageId="25" pageNumber="785">CH</collectingCountry>
150,
<collectingCountry id="F35E761FFF99E26BFA8A8169FAC6FBB8" box="[1335,1373,1091,1112]" name="Switzerland" pageId="25" pageNumber="785">CH</collectingCountry>
60 98, two ethanol-preserved specimens, the rest dry shells, eight individulas preserved in
<collectionCode id="ED58AE4AFF99E26BFB2281AAFB6BFB75" box="[1183,1264,1152,1173]" country="China" httpUri="http://grbio.org/cool/crjh-4ne1" name="Institute of Zoology, Chinese Academy of Sciences" pageId="25" pageNumber="785">IZCAS</collectionCode>
,
<specimenCode id="DBEF9EF4FF99E26BFABD81AAFCE6FB55" collectionCode="FG" country="Germany" name="Palaontologische Hauptsammlung der Bergakadmie" pageId="25" pageNumber="785">FG 594251 594258</specimenCode>
),
<collectingMunicipality id="6B92ACF5FF99E26BFC2881B5FBDCFB55" box="[917,1095,1183,1205]" pageId="25" pageNumber="785">Lake Changhu</collectingMunicipality>
, coll.
<collectorName id="26BC5359FF99E26BFB2C81B5FAB8FB55" box="[1169,1315,1183,1205]" pageId="25" pageNumber="785">Lejia Zhang</collectorName>
</materialsCitation>
, 2012.7., 2014.2.;
<materialsCitation id="3B213CD2FF99E26BFC3D8197FC7AFB12" collectorName="Lejia Zhang" country="Switzerland" location="Lake Yuehu" pageId="25" pageNumber="785" specimenCount="30" typeStatus="paratype">
<specimenCount id="9D4FFD06FF99E26BFC3D8197FB8BFB33" box="[896,1040,1213,1235]" pageId="25" pageNumber="785" type="generic">30 specimens</specimenCount>
(YH 130, dry shells),
<location id="8E966054FF99E26BFABB8197FA12FB33" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFABB8197FA12FB33" box="[1286,1417,1213,1235]" country="Switzerland" name="Lake Yuehu" pageId="25" pageNumber="785">Lake Yuehu</location>
, coll.
<collectorName id="26BC5359FF99E26BFCE481F6FC7AFB12" box="[857,993,1244,1266]" pageId="25" pageNumber="785">Lejia Zhang</collectorName>
</materialsCitation>
, 2014.2.;
<materialsCitation id="3B213CD2FF99E26BFBF781F6FABCFAF1" collectionCode="GTZ" collectorName="Lejia Zhang" country="Switzerland" location="Lake Guangtangzi" pageId="25" pageNumber="785" specimenCode="GTZ 1-15" specimenCount="15" typeStatus="paratype">
<specimenCount id="9D4FFD06FF99E26BFBF781F6FB45FB12" box="[1098,1246,1244,1266]" pageId="25" pageNumber="785" type="generic">15 specimens</specimenCount>
(
<specimenCode id="DBEF9EF4FF99E26BFB5181F6FAC0FB12" box="[1260,1371,1244,1266]" collectionCode="GTZ" pageId="25" pageNumber="785">GTZ 115</specimenCode>
, dry shells),
<location id="8E966054FF99E26BFC3D81D1FBCCFAF1" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFC3D81D1FBCCFAF1" box="[896,1111,1275,1297]" country="Switzerland" name="Lake Guangtangzi" pageId="25" pageNumber="785">Lake Guangtangzi</location>
, coll.
<collectorName id="26BC5359FF99E26BFB2781D1FABCFAF1" box="[1178,1319,1275,1297]" pageId="25" pageNumber="785">Lejia Zhang</collectorName>
</materialsCitation>
, 2014.2.;
<materialsCitation id="3B213CD2FF99E26BFC9B8033FCD4FAAE" collectorName="Ye Liu" country="Switzerland" location="Lake Guangtangzi" pageId="25" pageNumber="785" specimenCount="50" typeStatus="paratype">
<specimenCount id="9D4FFD06FF99E26BFC9B8033FC24FACF" box="[806,959,1305,1327]" pageId="25" pageNumber="785" type="generic">50 specimens</specimenCount>
(dry shells),
<location id="8E966054FF99E26BFBE58033FAABFACF" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFBE58033FAABFACF" box="[1112,1328,1305,1327]" country="Switzerland" name="Lake Guangtangzi" pageId="25" pageNumber="785">Lake Guangtangzi</location>
, coll.
<collectorName id="26BC5359FF99E26BFACF8030FCD4FAAE" pageId="25" pageNumber="785">Ye Liu</collectorName>
</materialsCitation>
, 2013.9.;
<materialsCitation id="3B213CD2FF99E26BFC048012FC32FA8C" collectorName="Ye Liu" country="Switzerland" location="Lake Changhu" pageId="25" pageNumber="785" specimenCount="19" typeStatus="paratype">
<specimenCount id="9D4FFD06FF99E26BFC048012FBD5FAAE" box="[953,1102,1336,1358]" pageId="25" pageNumber="785" type="generic">19 specimens</specimenCount>
(dry shells),
<location id="8E966054FF99E26BFB5D8012FA12FAAE" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFB5D8012FA12FAAE" box="[1248,1417,1336,1358]" country="Switzerland" name="Lake Changhu" pageId="25" pageNumber="785">Lake Changhu</location>
, coll.
<collectorName id="26BC5359FF99E26BFCE1807DFC32FA8C" box="[860,937,1366,1388]" pageId="25" pageNumber="785">Ye Liu</collectorName>
</materialsCitation>
, 2013.9.;
<materialsCitation id="3B213CD2FF99E26BFBA5807DFB9EFA6B" collectorName="Ye Liu" country="Switzerland" location="Lake Yuehu" pageId="25" pageNumber="785" specimenCount="1" typeStatus="paratype">
<specimenCount id="9D4FFD06FF99E26BFBA5807DFB21FA8C" box="[1048,1210,1366,1388]" pageId="25" pageNumber="785" type="generic">ten specimens</specimenCount>
(dry shells),
<location id="8E966054FF99E26BFAE9807CFCEAFA6B" LSID="urn:lsid:plazi:treatment:03E08799FF99E269FF4380CFFA9AFD27:8E966054FF99E26BFAE9807CFCEAFA6B" country="Switzerland" name="Lake Yuehu" pageId="25" pageNumber="785">Lake Yuehu</location>
, coll.
<collectorName id="26BC5359FF99E26BFC0B805FFB9EFA6B" box="[950,1029,1397,1419]" pageId="25" pageNumber="785">Ye Liu</collectorName>
</materialsCitation>
, 2013.9.
</paragraph>
<paragraph id="8BF6368FFF99E26BFC8280B9FAE7FA49" blockId="25.[806,1421,1091,1449]" box="[831,1404,1427,1449]" pageId="25" pageNumber="785">
Juvenile shell (taken from):
<collectingCountry id="F35E761FFF99E26BFB3680BEFB2AFA49" box="[1163,1201,1428,1449]" name="Switzerland" pageId="25" pageNumber="785">CH</collectingCountry>
2 (2 individuals).
</paragraph>
<paragraph id="8BF6368FFF99E26BFC9B80C3FC41FA1E" blockId="25.[806,1422,1513,1903]" box="[806,986,1513,1534]" pageId="25" pageNumber="785">
<emphasis id="B93DEA9DFF99E26BFC9B80C3FC41FA1E" box="[806,986,1513,1534]" italics="true" pageId="25" pageNumber="785">Short diagnosis</emphasis>
</paragraph>
<paragraph id="8BF6368FFF99E26BFC9B8322FCF3F88F" blockId="25.[806,1422,1513,1903]" pageId="25" pageNumber="785">Shell conical to subglobose, always with four strong spiral keels and many axial ribs, forming welldeveloped nodules where keels and axial ribs meet; two strong incomplete spiral keels with elevat- ed nodules in umbilical area, semilunar callus-like structure covering umbilicus completely; nacreous layer thick but semitransparent, showing the wide purple band on calcareous layers of some individuals, the others bluish white in colour; operculum smaller than apercure, with very large opercular scar; radula with one long tongue-like central denticle on each central tooth.</paragraph>
<caption id="DF366607FF9AE268FF19808BFC35F9EC" ID-DOI="http://doi.org/10.5281/zenodo.10107734" ID-Zenodo-Dep="10107734" httpUri="https://zenodo.org/record/10107734/files/figure.png" pageId="26" pageNumber="786" startId="26.[164,240,1441,1460]" targetBox="[330,1273,197,1401]" targetPageId="26">
<paragraph id="8BF6368FFF9AE268FF19808BFC35F9EC" blockId="26.[164,1442,1440,1548]" pageId="26" pageNumber="786">
<emphasis id="B93DEA9DFF9AE268FF19808BFE8EFA54" bold="true" box="[164,277,1441,1460]" pageId="26" pageNumber="786">Figure 22.</emphasis>
Shells of
<emphasis id="B93DEA9DFF9AE268FEC6808AFCB5FA54" bold="true" box="[379,814,1440,1460]" pageId="26" pageNumber="786">
<taxonomicName id="4C494D0CFF9AE268FEC6808AFD4CFA53" authority="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler, 2015" authorityName="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler" authorityYear="2015" box="[379,727,1440,1459]" class="Gastropoda" family="Viviparidae" genus="Tchangmargarya" kingdom="Animalia" order="Architaenioglossa" pageId="26" pageNumber="786" phylum="Mollusca" rank="species" species="multilabiata" status="sp. nov.">
<emphasis id="B93DEA9DFF9AE268FEC6808AFD4CFA53" bold="true" box="[379,727,1440,1459]" italics="true" pageId="26" pageNumber="786">Tchangmargarya multilabiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20E57E6FF9AE268FD61808BFCB5FA54" box="[732,814,1441,1460]" pageId="26" pageNumber="786" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from Lake Changhu: A, holotype, male individual, FG594250; B, paratype, male individual, CH 1, 59.2 mm; C, paratype, female individual, CH 2, 52.8 mm; D, paratype, CH 7, 52.4 mm; E, paratype, CH 35, 50.77 mm; F, paratype, five keels
<taxonomicName id="4C494D0CFF9AE268FD5B80F1FCFCFA0E" box="[742,871,1499,1518]" pageId="26" pageNumber="786" rank="variety" variety="with">variety with</taxonomicName>
totally purple calcareous layers, CHX 1, 53.3 mm; G, inner lip; H, juvenile shell with band, 15.4 mm (provided by Hao Yang).
</paragraph>
</caption>
<paragraph id="8BF6368FFF9AE268FF19836CFEBEF9BB" blockId="26.[164,779,1606,1903]" box="[164,293,1606,1627]" pageId="26" pageNumber="786">
<emphasis id="B93DEA9DFF9AE268FF19836CFEBEF9BB" box="[164,293,1606,1627]" italics="true" pageId="26" pageNumber="786">Description</emphasis>
</paragraph>
<paragraph id="8BF6368FFF9AE269FF19834EFBD9FDEE" blockId="26.[164,779,1606,1903]" lastBlockId="27.[806,1422,198,526]" lastPageId="27" lastPageNumber="787" pageId="26" pageNumber="786">
Shell large, conical to subglobose, up to nearly
<quantity id="4CB19B6AFF9AE268FD00834EFC90F999" box="[701,779,1636,1657]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" pageId="26" pageNumber="786" unit="mm" value="70.0">70 mm</quantity>
in height (
<tableCitation id="C6CB0334FF9AE268FEA183A9FEEBF979" box="[284,368,1667,1689]" captionStart="Table 3" captionStartId="14.[164,228,924,943]" captionText="Table 3. Shell measurements" pageId="26" pageNumber="786">Table 3</tableCitation>
), very thick, solid, and heavy; dark brown or redbrown periostracum, occasionally with one broad purple spiral band on calcareous layers of each whorl; mostly with seven whorls, including two protoconch whorls, all inflated, each with welldeveloped ramp-like shoulder on upper section, except for the protoconch; whorls mostly with four, rarely five, strong spiral keels and with many axial ribs, forming well-developed nodules where keels and axial ribs meet, nodules small and dense on upper whorls, gradually increasing in size, becoming more sparse on lower whorls, lower keel always covered by suture and thus nearly invisible on spiral whorls; two strong incomplete spiral ribs with elevated nodules extending onto umbilical area. Aperture ovate, nacreous layer thick but semi-transparent, with broad purple band on calcareous layers of some individuals (some individuals have almost all calcareous layers purple), or bluish white from
<taxonomicName id="4C494D0CFF9BE269FCD685ECFBF2FF3B" authorityName="Tchang &amp; Tsi" authorityYear="1949" box="[875,1129,198,219]" class="Gastropoda" family="Viviparidae" genus="Margarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="yangtsunghaiensis">
<emphasis id="B93DEA9DFF9BE269FCD685ECFBF2FF3B" box="[875,1129,198,219]" italics="true" pageId="27" pageNumber="787">T. yangtsunghaiensis</emphasis>
</taxonomicName>
by having a relatively shorter and thicker shell, one additional keel above the suture, overlapping multilayers of inner lip, and tongue-like shape of the central cusps of the centre and lateral teeth differing from the squarish shape in
<taxonomicName id="4C494D0CFF9BE269FC9B8475FB8EFE94" authorityName="Tchang &amp; Tsi" authorityYear="1949" box="[806,1045,351,372]" class="Gastropoda" family="Viviparidae" genus="Margarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="yangtsunghaiensis">
<emphasis id="B93DEA9DFF9BE269FC9B8475FB8EFE94" box="[806,1045,351,372]" italics="true" pageId="27" pageNumber="787">T. yangtsunghaiensis</emphasis>
</taxonomicName>
. The feature of such callus-like structure is unique in
<taxonomicName id="4C494D0CFF9BE269FBCB8457FA97FE73" authorityName="J. E. GRAY" authorityYear="1847" box="[1142,1292,381,403]" class="Gastropoda" family="Viviparidae" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="family">Viviparidae</taxonomicName>
. Besides,
<taxonomicName id="4C494D0CFF9BE269FC9B84B6FC4AFE51" authorityName="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler" authorityYear="2015" box="[806,977,412,433]" class="Gastropoda" family="Viviparidae" genus="Tchangmargarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="multilabiata">
<emphasis id="B93DEA9DFF9BE269FC9B84B6FC4AFE51" box="[806,977,412,433]" italics="true" pageId="27" pageNumber="787">T. multilabiata</emphasis>
</taxonomicName>
is the only species with a broad spiral band on calcareous layers amongst the three genera endemic to
<collectingRegion id="498DF86DFF9BE269FC1984F3FC67FE0E" box="[932,1020,473,494]" country="China" name="Yunnan" pageId="27" pageNumber="787">Yunnan</collectingRegion>
, although only one-third of all specimens have such a band.
</paragraph>
<caption id="DF366607FF9BE269FF2D87BAFD81FD1B" ID-DOI="http://doi.org/10.5281/zenodo.10107736" ID-Zenodo-Dep="10107736" httpUri="https://zenodo.org/record/10107736/files/figure.png" pageId="27" pageNumber="787" startId="27.[144,223,656,675]" targetBox="[144,761,196,625]" targetPageId="27">
<paragraph id="8BF6368FFF9BE269FF2D87BAFD81FD1B" blockId="27.[144,759,656,763]" pageId="27" pageNumber="787">
<emphasis id="B93DEA9DFF9BE269FF2D87BAFE9EFD43" bold="true" box="[144,261,656,675]" pageId="27" pageNumber="787">Figure 23.</emphasis>
Scanning electron micrographs of the radula of
<emphasis id="B93DEA9DFF9BE269FF108787FDE0FD20" bold="true" box="[173,635,685,704]" pageId="27" pageNumber="787">
<taxonomicName id="4C494D0CFF9BE269FF108787FD86FD20" authority="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler, 2015" authorityName="Zhang &amp; Chen &amp; Yang &amp; Jin &amp; Köhler" authorityYear="2015" box="[173,541,685,704]" class="Gastropoda" family="Viviparidae" genus="Tchangmargarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="multilabiata" status="sp. nov.">
<emphasis id="B93DEA9DFF9BE269FF108787FD86FD20" bold="true" box="[173,541,685,704]" italics="true" pageId="27" pageNumber="787">Tchangmargarya multilabiata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20E57E6FF9BE269FD998787FDE0FD20" box="[548,635,685,704]" pageId="27" pageNumber="787" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from Lake Changhu: A, central tooth; B, lateral tooth; C, inner marginal tooth; D, outer marginal tooth.
</paragraph>
</caption>
<paragraph id="8BF6368FFF9BE269FF2D8610FE6FFC2A" blockId="27.[144,759,826,1735]" pageId="27" pageNumber="787">in colour, inner lip covered with thick nacreous layers, multiple layers visible on top of each other, from different growing periods, all outward-folding and tightly overlapping, forming semilunar callus-like structure completely covering umbilicus.</paragraph>
<paragraph id="8BF6368FFF9BE269FF1586FEFD35FB1C" blockId="27.[144,759,826,1735]" pageId="27" pageNumber="787">Mature juvenile shell large, with four whorls; grass green, brown, purple, or yellow with brown band in colour; first two whorls with two smooth spiral keels, no ramp-like shoulder; third and fourth whorl with obvious ramp-like shoulder, four keels, and many axial ribs crossing into dense regular nodules, lower keel almost covered by upper sutures, and thus nearly invisible on the third whorl; keels under the suture obtuse but with well-developed axial ribs; aperture ovate, inner lip outward folding, about half of shell height.</paragraph>
<paragraph id="8BF6368FFF9BE269FF15802FFD6AFA53" blockId="27.[144,759,826,1735]" pageId="27" pageNumber="787">Operculum corneous, ovate, rather thick and solid, reddish brown or brown, with subcentral nucleus and concentric growth lines; nucleus with few grains or veins; opercular scar very large, relatively rough, outside smooth, obviously thickened but margin of operculum thin; operculum slightly smaller than aperture.</paragraph>
<paragraph id="8BF6368FFF9BE269FF158097FD6CF927" blockId="27.[144,759,826,1735]" pageId="27" pageNumber="787">
Radula (
<emphasis id="B93DEA9DFF9BE269FEB88097FE82FA32" box="[261,281,1469,1490]" italics="true" pageId="27" pageNumber="787">N</emphasis>
= 1) oblong, with 107 rows of teeth. Central tooth bell-shaped, with large, long, tongue-like central denticle, flanked by four or five smaller cusps on either side. Lateral tooth broadly oblong, with one long, tonguelike central denticle and three or four smaller cusps on either side. Marginal tooth slender, slightly oblong; inner marginal tooth with large, blade-like central denticle and two or three long smaller cusps on either side; outer marginal tooth obtuse, with 1012 small cusps.
</paragraph>
<paragraph id="8BF6368FFF9BE269FF2D83D7FE1CF8F2" blockId="27.[144,759,1789,1903]" box="[144,391,1789,1810]" pageId="27" pageNumber="787">
<emphasis id="B93DEA9DFF9BE269FF2D83D7FE1CF8F2" box="[144,391,1789,1810]" italics="true" pageId="27" pageNumber="787">Comparative remarks</emphasis>
</paragraph>
<paragraph id="8BF6368FFF9BE269FF2D8231FBD9FDAC" blockId="27.[144,759,1789,1903]" lastBlockId="27.[806,1422,567,711]" pageId="27" pageNumber="787">
Differs from all
<taxonomicName id="4C494D0CFF9BE269FEF68236FD83F8D1" box="[331,536,1819,1841]" class="Gastropoda" family="Viviparidae" genus="Margarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="B93DEA9DFF9BE269FEF68236FE27F8D1" box="[331,444,1820,1841]" italics="true" pageId="27" pageNumber="787">Margarya</emphasis>
species
</taxonomicName>
, especially nodular specimens of
<taxonomicName id="4C494D0CFF9BE269FE908211FE45F8AF" baseAuthorityName="Wang" baseAuthorityYear="2005" box="[301,478,1850,1872]" class="Gastropoda" family="Viviparidae" genus="Margarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="species" species="oxytropoides">
<emphasis id="B93DEA9DFF9BE269FE908211FE45F8AF" box="[301,478,1850,1872]" italics="true" pageId="27" pageNumber="787">M. oxytropoides</emphasis>
</taxonomicName>
(
<figureCitation id="13722A0AFF9BE269FE4C8210FDCEF8B0" box="[497,597,1850,1872]" captionStart="Figure 15" captionStartId="18.[164,242,1281,1300]" captionTargetBox="[359,1245,198,1245]" captionTargetId="figure-261@18.[358,1248,196,1251]" captionTargetPageId="18" captionText="Figure 15. Shells of Margarya oxytropoides: A, Lake Dianchi, DCXHJ 2, 65.9 mm; B, Lake Dianchi, DCXHJ 44, 53.1 mm; C, Lake Dianchi, DCXHJ 3, 54.1 mm; D, Lake Dianchi, DCHK 41, 62.1 mm; E, Lake Lugu (provided by Liu Ye); F, Lake Dianchi, FG68944, 41.0 mm; G, original figure of Paludina oxytropoides (Heude, 1889); H, juvenile shell, 14.2 mm." figureDoi="http://doi.org/10.5281/zenodo.10107720" httpUri="https://zenodo.org/record/10107720/files/figure.png" pageId="27" pageNumber="787">Fig. 15D</figureCitation>
), as following the comparative remarks in
<taxonomicName id="4C494D0CFF9BE269FE718273FD13F88E" authorityName="He" authorityYear="2013" box="[460,648,1881,1902]" class="Gastropoda" family="Viviparidae" genus="Tchangmargarya" kingdom="Animalia" order="Architaenioglossa" pageId="27" pageNumber="787" phylum="Mollusca" rank="genus">
<emphasis id="B93DEA9DFF9BE269FE718273FD13F88E" box="[460,648,1881,1902]" italics="true" pageId="27" pageNumber="787">Tchangmargarya</emphasis>
</taxonomicName>
. It differs
<emphasis id="B93DEA9DFF9BE269FC9B871DFBD9FDAC" box="[806,1090,567,588]" italics="true" pageId="27" pageNumber="787">Habitat and distribution</emphasis>
</paragraph>
<paragraph id="8BF6368FFF9BE269FC9B877CFA9AFD27" blockId="27.[806,1422,567,711]" pageId="27" pageNumber="787">
Four freshly dead specimens with soft bodies were found in aquatic plants on the bank of the
<typeStatus id="54F2882DFF9BE269FB0A875FFB7DFD6A" box="[1207,1254,629,650]" pageId="27" pageNumber="787">type</typeStatus>
locality. Found in some nearby lakes in Shilin County (Shilin Lakes), i.e. Lake Changhu, Guangtangzi, Yuehu.
</paragraph>
</subSubSection>
</treatment>
</document>