233 lines
23 KiB
XML
233 lines
23 KiB
XML
<document id="8E5882A15AE289420C34A2EBF7FD10B7" ID-DOI="10.37828/em.2020.27.6" ID-ISSN="2336-9744" ID-Zenodo-Dep="13307088" ID-ZooBank="urn:lsid:zoobank.org:pub:DCB77D14-C674-469C-B4EF-6020AF6FA8CA" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1721836838750" checkinUser="felipe" docAuthor="Konopleva, Ekaterina S., Bolotov, Ivan N., Kondakov, Alexander V., Kononov, Oleg D., Gofarov, Mikhail Yu., Tomilova, Alena A., Lunn, Zau, Chan, Nyein, Win, Than & Vikhrev, Ilya V." docDate="2020" docId="CE0F87D4FF8EFFEFF184403F59358788" docLanguage="en" docName="EcolMontenegrina.27.45-57.pdf" docOrigin="Ecologica Montenegrina 27" docSource="http://dx.doi.org/10.37828/em.2020.27.6" docStyle="DocumentStyle:3485E46B0EDC64DBF2992EDE30BFB5AE.3:EcolMontenegrina.2017-.journal_article" docStyleId="3485E46B0EDC64DBF2992EDE30BFB5AE" docStyleName="EcolMontenegrina.2017-.journal_article" docStyleVersion="3" docTitle="Trapezidens yeti Konopleva, Bolotov, Kondakov, Kononov, Gofarov, Tomilova, Lunn, Chan, Win & Vikhrev, 2020, sp. nov." docType="treatment" docUuid="CE1C5610-AB1F-4E46-BEA4-4C466B109963" docUuidSource="ZooBank" docVersion="4" lastPageNumber="54" masterDocId="3236FFACFF87FFE6F11343585A08801C" masterDocTitle="A taxonomic review of Trapezidens (Bivalvia: Unionidae: Lamellidentini), a freshwater mussel genus endemic to Myanmar, with a description of a new species" masterLastPageNumber="57" masterPageNumber="45" pageNumber="54" updateTime="1723485180055" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="30FA7A08EF82FAD7864968BA02695F95">A taxonomic review of Trapezidens (Bivalvia: Unionidae: Lamellidentini), a freshwater mussel genus endemic to Myanmar, with a description of a new species</mods:title>
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<mods:namePart id="63DAF436F7F70ED71787A14B597F9A20">Konopleva, Ekaterina S.</mods:namePart>
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<mods:affiliation id="B9AB9614B1E36A6D92244E42DF0343AD">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="039D20C54C4CF4A368BA558D2D983267">Bolotov, Ivan N.</mods:namePart>
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<mods:affiliation id="96219B7EB114803E641878841B099960">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="0A7D97AA472A6B3A3B0433CA35054721">Kondakov, Alexander V.</mods:namePart>
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<mods:affiliation id="44F8DD92A0C3A727676A96994CC81480">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="C9B653B0355B054C6A4BD3F8E7E80CC8">Kononov, Oleg D.</mods:namePart>
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<mods:affiliation id="BD65038C7ECAD52219503244578D92EB">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="97E6C4392A7CBEA417423AEB2BDFD604">Gofarov, Mikhail Yu.</mods:namePart>
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<mods:affiliation id="692B142831E68E4EBF99262EE18F8CC6">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="EBC41DA7528E3BDAA8280CFD5ECF943A">Tomilova, Alena A.</mods:namePart>
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<mods:affiliation id="557FE6905380A60BD433D3052A4355E6">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:namePart id="00DE67141A143365DC20500EBC0B0135">Lunn, Zau</mods:namePart>
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<mods:affiliation id="DACD6C391FF5D2DF14DCD7B950A096F0">Fauna & Flora International - Myanmar Program, Yangon, Myanmar</mods:affiliation>
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<mods:namePart id="B76ED613810BF9C961466E3514570D26">Chan, Nyein</mods:namePart>
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<mods:affiliation id="BCC60FAF4C00CC2FBB591D6CD01FEA9F">Fauna & Flora International - Myanmar Program, Yangon, Myanmar</mods:affiliation>
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<mods:name id="AEC9BAD6E6D596B691B286AA1F977934" type="personal">
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<mods:namePart id="C199F15A5071ECC8930156A9287ED2B1">Win, Than</mods:namePart>
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<mods:affiliation id="0D441467091C72EAFFF07BD4FA67BA28">Department of Zoology, Dawei University, Dawei, Tanintharyi Region, Myanmar * Corresponding author: es. konopleva @ gmail. com</mods:affiliation>
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<mods:namePart id="19AAC38E152A63EC433A2EA5958CA0CF">Vikhrev, Ilya V.</mods:namePart>
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<mods:affiliation id="EDCB7C14D61078C0AD1517297AF349C6">Federal Center for Integrated Arctic Research, Russian Academy of Sciences, 163000, Arkhangelsk, Russia</mods:affiliation>
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<mods:title id="2E1C1F80B67CDEC8B66F005C28E4A0A8">Ecologica Montenegrina</mods:title>
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<mods:date id="57834E625D61CCB4C7133581E9ADD19E">2020</mods:date>
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<taxonomicName id="81A64D41FF8EFFEFF184403F5B53839D" ID-CoL="7TD9X" authorityName="Konopleva & Bolotov & Kondakov & Kononov & Gofarov & Tomilova & Lunn & Chan & Win & Vikhrev" authorityYear="2020" box="[151,347,871,897]" class="Bivalvia" family="Unionidae" genus="Trapezidens" kingdom="Animalia" order="Unionida" pageId="9" pageNumber="54" phylum="Mollusca" rank="species" species="yeti" status="sp. nov.">
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<emphasis id="74D2EAD0FF8EFFEFF184403F5B53839D" bold="true" box="[151,347,871,897]" italics="true" pageId="9" pageNumber="54">Trapezidens yeti</emphasis>
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<taxonomicNameLabel id="6FE157ABFF8EFFEFF071403F5BCA839D" box="[354,450,871,897]" pageId="9" pageNumber="54" rank="species">sp. nov.</taxonomicNameLabel>
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<figureCitation id="DE9D2A47FF8EFFEFF18440D05AFE83BF" box="[151,246,904,931]" captionStart="Figure 3" captionStartId="6.[151,226,1914,1938]" captionTargetBox="[182,1404,223,1895]" captionTargetId="figure-19@6.[182,1404,223,1895]" captionTargetPageId="6" captionText="Figure 3. Shells of five Trapezidens species: a) T. angustior [topotype RMBH biv 382_3]; b) T. dolichorhynchus [topotype RMBH biv 417_2]; c) T. exolescens [topotype RMBH biv 145_12]; d) T. scutum [topotype RMBH biv 632_1]; e) T. yeti sp. nov. [holotype RMBH biv 616_1]. Scale bar = 20 mm. (Photos: Ekaterina S. Konopleva)." figureDoi="http://doi.org/10.5281/zenodo.13307094" httpUri="https://zenodo.org/record/13307094/files/figure.png" pageId="9" pageNumber="54">Figs. 3e</figureCitation>
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,
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<figureCitation id="DE9D2A47FF8EFFEFF01040D05B1A83BF" box="[259,274,904,931]" captionStart="Figure 4" captionStartId="10.[151,226,1168,1192]" captionTargetBox="[151,1433,189,1150]" captionTargetId="figure-19@10.[151,1433,189,1150]" captionTargetPageId="10" captionText="Figure 4. Type locality of Trapezidens yeti sp. nov.: Ye River near Kyaung Ywar village. (Photo: Ilya V. Vikhrev)." figureDoi="http://doi.org/10.5281/zenodo.13307096" httpUri="https://zenodo.org/record/13307096/files/figure.png" pageId="9" pageNumber="54">4</figureCitation>
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<paragraph id="461936C2FF8EFFEFF18440F15E7F83DD" blockId="9.[151,1143,871,961]" box="[151,1143,937,961]" pageId="9" pageNumber="54">
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https://zoobank.org/
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urn:lsid:zoobank.org:act:
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<paragraph id="461936C2FF8EFFEFF18440B25873843B" blockId="9.[151,1437,1002,1940]" pageId="9" pageNumber="54">
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<materialsCitation id="F6CE3C9FFF8EFFEFF18440B25873843B" collectingDate="2018-11-20" collectionCode="RMBH" collectorName="Nyein Chan & Vikhrev" country="Myanmar" latitude="15.2957" location="Ye River" longLatPrecision="7" longitude="97.9984" municipality="Kyaung Ywar village" pageId="9" pageNumber="54" specimenCount="1" typeStatus="holotype">
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<typeStatus id="991D8860FF8EFFEFF18440B25B0C8419" box="[151,260,1002,1029]" pageId="9" pageNumber="54" type="holotype">Holotype</typeStatus>
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<collectionCode id="20B7AE07FF8EFFEFF00340B35B6F8419" box="[272,359,1003,1029]" pageId="9" pageNumber="54">RMBH</collectionCode>
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biv 616_1:
|
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<collectingCountry id="3EB17652FF8EFFEFF31240B258AA8419" box="[513,674,1002,1029]" name="Myanmar" pageId="9" pageNumber="54">MYANMAR</collectingCountry>
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:
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<location id="43796019FF8EFFEFF3A240B359288419" LSID="urn:lsid:plazi:treatment:CE0F87D4FF8EFFEFF184403F59358788:43796019FF8EFFEFF3A240B359288419" box="[689,800,1002,1029]" country="Myanmar" latitude="15.2957" longLatPrecision="7" longitude="97.9984" municipality="Kyaung Ywar village" name="Ye River" pageId="9" pageNumber="54">Ye River</location>
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near
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<collectingMunicipality id="A67DACB8FF8EFFEFF27940B35E7B8419" box="[874,1139,1002,1029]" pageId="9" pageNumber="54">Kyaung Ywar village</collectingMunicipality>
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,
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<geoCoordinate id="23925005FF8EFFEFF59040B25F0E8419" box="[1155,1286,1002,1029]" degrees="15.2957" direction="north" orientation="latitude" pageId="9" pageNumber="54" precision="5" value="15.2957">15.2957°N</geoCoordinate>
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,
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<geoCoordinate id="23925005FF8EFFEFF40540B25F9E8419" box="[1302,1430,1002,1029]" degrees="97.9984" direction="east" orientation="longitude" pageId="9" pageNumber="54" precision="5" value="97.9984">97.9984°E</geoCoordinate>
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,
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<date id="32181002FF8EFFEFF18447545B10843B" box="[151,280,1036,1063]" pageId="9" pageNumber="54" value="2018-11-20">
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<collectingDate id="225CE9EAFF8EFFEFF18447545B10843B" box="[151,280,1036,1063]" pageId="9" pageNumber="54" value="2018-11-20">20.xi.2018</collectingDate>
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</date>
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,
|
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<collectorName id="EB535314FF8EFFEFF03747545BA7843B" box="[292,431,1036,1063]" pageId="9" pageNumber="54">Nyein Chan</collectorName>
|
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and
|
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<collectorName id="EB535314FF8EFFEFF0FA47545840843B" box="[489,584,1036,1063]" pageId="9" pageNumber="54">Vikhrev</collectorName>
|
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leg.
|
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</paragraph>
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<paragraph id="461936C2FF8EFFEFF1E647765AF484D3" blockId="9.[151,1437,1002,1940]" pageId="9" pageNumber="54">
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<materialsCitation id="F6CE3C9FFF8EFFEFF1E647765AF484D3" collectionCode="RMBH" collectorName="Than Win" latitude="15.2957" location="The" longLatPrecision="7" longitude="97.9984" municipality="Ye River" pageId="9" pageNumber="54" specimenCount="17" typeStatus="paratype">
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<typeStatus id="991D8860FF8EFFEFF1E647765B638454" box="[245,363,1070,1096]" pageId="9" pageNumber="54" type="paratype">Paratypes</typeStatus>
|
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.
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<location id="43796019FF8EFFEFF06B47765BAD8455" LSID="urn:lsid:plazi:treatment:CE0F87D4FF8EFFEFF184403F59358788:43796019FF8EFFEFF06B47765BAD8455" box="[376,421,1070,1097]" latitude="15.2957" longLatPrecision="7" longitude="97.9984" municipality="Ye River" name="The" pageId="9" pageNumber="54">The</location>
|
||
same locality, date and collectors,
|
||
<specimenCount id="50A0FD4BFF8EFFEFF25C477659E78455" box="[847,1007,1070,1097]" count="14" pageId="9" pageNumber="54" type="generic">14 specimens</specimenCount>
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[
|
||
<collectionCode id="20B7AE07FF8EFFEFF51347765E528454" box="[1024,1114,1070,1096]" pageId="9" pageNumber="54">RMBH</collectionCode>
|
||
biv 616_2, biv 617_1, biv 617_2, biv 616_3, biv 616_4, biv 616_5, biv 617_3, biv 617_4, biv 617_5, biv 617_6, biv 617_7, biv 617_8, biv 617_9, biv 617_10; the three first specimens are sequenced];
|
||
<collectingMunicipality id="A67DACB8FF8EFFEFF2B4472A5E1F8490" box="[935,1047,1137,1164]" pageId="9" pageNumber="54">Ye River</collectingMunicipality>
|
||
,
|
||
<geoCoordinate id="23925005FF8EFFEFF53747295EA08490" box="[1060,1192,1137,1164]" degrees="15.2957" direction="north" orientation="latitude" pageId="9" pageNumber="54" precision="5" value="15.2957">15.2957°N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="23925005FF8EFFEFF5A647295F3D8490" box="[1205,1333,1137,1164]" degrees="97.9984" direction="east" orientation="longitude" pageId="9" pageNumber="54" precision="5" value="97.9984">97.9984°E</geoCoordinate>
|
||
, 2018,
|
||
<specimenCount id="50A0FD4BFF8EFFEFF49E47295B1984B2" count="3" pageId="9" pageNumber="54" type="generic">3 specimens</specimenCount>
|
||
[
|
||
<collectionCode id="20B7AE07FF8EFFEFF03247CC5B7384B2" box="[289,379,1172,1198]" pageId="9" pageNumber="54">RMBH</collectionCode>
|
||
biv 675, including specimens
|
||
<collectionCode id="20B7AE07FF8EFFEFF3F947CC594984B2" box="[746,833,1172,1198]" pageId="9" pageNumber="54">RMBH</collectionCode>
|
||
biv 675_1 and biv 675_2 being sequenced],
|
||
<collectorName id="EB535314FF8EFFEFF44D47CB5AC184D3" pageId="9" pageNumber="54">Than Win</collectorName>
|
||
leg.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="461936C2FF8EFFEFF1E6478E5EA284ED" blockId="9.[151,1437,1002,1940]" box="[245,1194,1238,1265]" pageId="9" pageNumber="54">
|
||
Etymology. The name of the new species refers to the Ye River, its
|
||
<typeStatus id="991D8860FF8EFFEFF503478F5E4A84ED" box="[1040,1090,1239,1265]" pageId="9" pageNumber="54">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
<paragraph id="461936C2FF8EFFEFF1E647A059488564" blockId="9.[151,1437,1002,1940]" pageId="9" pageNumber="54">
|
||
Differential diagnosis. Morphologically, specimens of the new species, especially young mussels, can hardly be distinguished from
|
||
<taxonomicName id="81A64D41FF8EFFEFF334464259348529" baseAuthorityName="Gould" baseAuthorityYear="1843" box="[551,828,1306,1333]" class="Bivalvia" family="Unionidae" genus="Trapezidens" kingdom="Animalia" order="Unionida" pageId="9" pageNumber="54" phylum="Mollusca" rank="species" species="exolescens">
|
||
<emphasis id="74D2EAD0FF8EFFEFF334464259348529" box="[551,828,1306,1333]" italics="true" pageId="9" pageNumber="54">Trapezidens exolescens</emphasis>
|
||
</taxonomicName>
|
||
. Adult specimens differ from other congeners by a more elongated shell with wider anterior margin and usually without prominently winged dorsal margin, and by peculiar curved pseudocardinal teeth in the right valve.
|
||
</paragraph>
|
||
<paragraph id="461936C2FF8EFFEFF1E646275855863D" blockId="9.[151,1437,1002,1940]" pageId="9" pageNumber="54">
|
||
Molecular diagnosis. Phylogenetically,
|
||
<taxonomicName id="81A64D41FF8EFFEFF3C14627599E8585" authorityName="Konopleva & Bolotov & Kondakov & Kononov & Gofarov & Tomilova & Lunn & Chan & Win & Vikhrev" authorityYear="2020" box="[722,918,1407,1434]" class="Bivalvia" family="Unionidae" genus="Trapezidens" kingdom="Animalia" order="Unionida" pageId="9" pageNumber="54" phylum="Mollusca" rank="species" species="yeti" status="sp. nov.">
|
||
<emphasis id="74D2EAD0FF8EFFEFF3C14627599E8585" box="[722,918,1407,1434]" italics="true" pageId="9" pageNumber="54">Trapezidens yeti</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="74D2EAD0FF8EFFEFF2B246D85E0C8586" bold="true" box="[929,1028,1408,1434]" pageId="9" pageNumber="54">
|
||
<taxonomicNameLabel id="6FE157ABFF8EFFEFF2B246D85E0C8586" box="[929,1028,1408,1434]" pageId="9" pageNumber="54" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is closely related to
|
||
<taxonomicName id="81A64D41FF8EFFEFF41A46D85F958585" baseAuthorityName="Hanley & Theobald" baseAuthorityYear="1876" box="[1289,1437,1408,1433]" class="Bivalvia" family="Unionidae" genus="Trapezidens" kingdom="Animalia" order="Unionida" pageId="9" pageNumber="54" phylum="Mollusca" rank="species" species="angustior">
|
||
<emphasis id="74D2EAD0FF8EFFEFF41A46D85F958585" box="[1289,1437,1408,1433]" italics="true" pageId="9" pageNumber="54">T. angustior</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="81A64D41FF8EFFEFF1DD46FA5BB085A0" baseAuthorityName="Tapparone-Canefri" baseAuthorityYear="1889" box="[206,440,1441,1468]" class="Bivalvia" family="Unionidae" genus="Trapezidens" kingdom="Animalia" order="Unionida" pageId="9" pageNumber="54" phylum="Mollusca" rank="species" species="dolichorhynchus">
|
||
<emphasis id="74D2EAD0FF8EFFEFF1DD46FA5BB085A0" box="[206,440,1441,1468]" italics="true" pageId="9" pageNumber="54">T. dolichorhynchus</emphasis>
|
||
</taxonomicName>
|
||
(mean uncorrected
|
||
<emphasis id="74D2EAD0FF8EFFEFF3A046FA58EE85A0" box="[691,742,1442,1468]" italics="true" pageId="9" pageNumber="54">COI</emphasis>
|
||
p-distances: 1.87% and 1.96% respectively), forming a species complex, but it can be distinguished from the sister species by five fixed substitutions in the
|
||
<emphasis id="74D2EAD0FF8EFFEFF47A469B5F9485C1" box="[1385,1436,1475,1501]" italics="true" pageId="9" pageNumber="54">COI</emphasis>
|
||
gene fragment as follows: 257 A, 314 G, 344 C, 413 A, and 614 T; two fixed substitutions in
|
||
<emphasis id="74D2EAD0FF8EFFEFF5F546BC5F5585E3" box="[1254,1373,1508,1535]" italics="true" pageId="9" pageNumber="54">16S rRNA</emphasis>
|
||
gene fragment as follows: 382 C and 488 C.
|
||
</paragraph>
|
||
<paragraph id="461936C2FF8EFFEFF1E645705F52876E" blockId="9.[151,1437,1002,1940]" pageId="9" pageNumber="54">
|
||
Description. A rather small mussel, with shell length
|
||
<quantity id="815E9B27FF8EFFEFF27845705E13865F" box="[875,1051,1576,1603]" metricMagnitude="-2" metricUnit="m" metricValue="5.275" metricValueMax="6.42" metricValueMin="4.13" pageId="9" pageNumber="54" unit="mm" value="52.75" valueMax="64.2" valueMin="41.3">41.3–64.2 mm</quantity>
|
||
, shell height
|
||
<quantity id="815E9B27FF8EFFEFF5A445705F6E865F" box="[1207,1382,1576,1603]" metricMagnitude="-2" metricUnit="m" metricValue="2.63" metricValueMax="3.17" metricValueMin="2.09" pageId="9" pageNumber="54" unit="mm" value="26.299999999999997" valueMax="31.7" valueMin="20.9">20.9–31.7 mm</quantity>
|
||
, and shell width 10.8–16.
|
||
<quantity id="815E9B27FF8EFFEFF0B245115BE78678" box="[417,495,1609,1636]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="9" pageNumber="54" unit="mm" value="3.0">3 mm</quantity>
|
||
. Shell somewhat trapezoidal, elongated, inequilateral, thin and not inflated. Anterior margin rounded, ventral margin usually straight, dorsal margin slightly curved, posterior slope diagonally truncated. Umbo small, slightly elevated under hinge line, eroded. Periostracum brownish, sometimes with darker posterior margin. Thin radial lines cross the shell from the umbo area to the ventral margin. Dorsal margin sometimes has small ridges. Nacre whitish with dark-yellow areas, which may almost cover the entire inner side. Two pseudocardinal teeth on the right valve, posterior tooth strong and well-developed, the anterior tooth usually smaller and lamellar. On the left valve, one elongated pseudocardinal tooth with a cavity and a triangular edge. Lateral teeth elongated, one on the right valve and two on the left valve. Anterior muscle scars bean-like, pronounced, posterior muscle scars rounded and less developed.
|
||
</paragraph>
|
||
<paragraph id="461936C2FF8EFFEFF1E6442159358788" blockId="9.[151,1437,1002,1940]" box="[245,829,1913,1940]" pageId="9" pageNumber="54">
|
||
Distribution. Endemic to the Ye River,
|
||
<collectingCountry id="3EB17652FF8EFFEFF3D0442259318788" box="[707,825,1914,1940]" name="Myanmar" pageId="9" pageNumber="54">Myanmar</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |