treatments-xml/data/85/05/59/850559C400E45B148E802534213EEE3E.xml

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<document ID-CLB-Dataset="5195" ID-DOI="http://dx.doi.org/10.3897/zookeys.1054.69075" ID-GBIF-Dataset="dcf89d89-6b3a-41a7-96db-3ad8e4ddb31f" ID-PMC="PMC8354993" ID-Pensoft-Pub="1313-2970-1054-85" ID-Pensoft-UUID="37806A8469A854CAAE0CE74B318DF6E1" ID-PubMed="34393564" ID-ZooBank="BA743F4E2452432A9796E1DEBC1D4CAD" ModsDocID="1313-2970-1054-85" checkinTime="1627981199439" checkinUser="pensoft" docAuthor="Wu, Ruiwen, Liu, Xiongjun, Kondo, Takaki, Ouyang, Shan &amp; Wu, Xiaoping" docDate="2021" docId="850559C400E45B148E802534213EEE3E" docLanguage="en" docName="ZooKeys 1054: 85-93" docOrigin="ZooKeys 1054" docPubDate="2021-08-03" docSource="http://dx.doi.org/10.3897/zookeys.1054.69075" docTitle="Inversidens rentianensis Wu &amp; Wu 2021, sp. nov." docType="treatment" docUuid="62424717-9514-4C7D-9C0E-240F1D95F03E" docUuidSource="ZooBank" docVersion="5" id="37806A8469A854CAAE0CE74B318DF6E1" lastPageNumber="85" masterDocId="37806A8469A854CAAE0CE74B318DF6E1" masterDocTitle="New species of the genus Inversidens Haas, 1911 (Unionoida, Unionidae, Gonideinae) from Jiangxi Province, China" masterLastPageNumber="93" masterPageNumber="85" pageNumber="85" updateTime="1732834209831" updateUser="ExternalLinkService">
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<mods:title id="A41EAD29E1CC4C9EB2FF01E79FDB1012">New species of the genus Inversidens Haas, 1911 (Unionoida, Unionidae, Gonideinae) from Jiangxi Province, China</mods:title>
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<mods:namePart id="FBC58DBED39DCA228203A6945E2DEF5B">Wu, Ruiwen</mods:namePart>
<mods:nameIdentifier id="ABCC7A571708FA7D230DAFA1A2A16985" type="ORCID">https://orcid.org/0000-0002-8936-6054</mods:nameIdentifier>
<mods:affiliation id="C2ECF3376DFF36E2FD607AC6380A3E82">School of Life Science, Shanxi Normal University, Linfen 041000, China</mods:affiliation>
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<mods:namePart id="3F302EEEA4DF9F044889B102A3C1C971">Liu, Xiongjun</mods:namePart>
<mods:affiliation id="77CCBDFAD29146DF86226C1D82E04C9E">School of Life Science, Jiaying University, Meizhou 514015, China</mods:affiliation>
<mods:nameIdentifier id="BB986B61FECE3326510CF28EDD48185A" type="email">609449126@qq.com</mods:nameIdentifier>
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<mods:namePart id="067404A50FB70D74EA8D8571CECB873F">Kondo, Takaki</mods:namePart>
<mods:affiliation id="13D92368C9A67FE18993AB1C9FB3B81A">Division of Natural Science, Osaka Kyoiku University, Osaka 582 - 8582, Japan</mods:affiliation>
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<mods:namePart id="26EFE4451D48A3462E5986BF4D4E564C">Ouyang, Shan</mods:namePart>
<mods:affiliation id="EDCE04C6B90F60A37DB187F7434727F0">School of Life Sciences, Nanchang University, Nanchang 330031, China</mods:affiliation>
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<mods:namePart id="B4A5D7603B294D0C071DC748A3CECF05">Wu, Xiaoping</mods:namePart>
<mods:affiliation id="60142E770457DFB7932138937BB4A81C">School of Life Sciences, Nanchang University, Nanchang 330031, China</mods:affiliation>
<mods:nameIdentifier id="679F2A9CAC2C49D8577BD61048149D8A" type="email">xpwu@ncu.edu.cn</mods:nameIdentifier>
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<mods:date id="4FA2071FAAEBDD5283FBCD7ECC148078">2021</mods:date>
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<treatment id="850559C400E45B148E802534213EEE3E" ID-GBIF-Taxon="183909054" LSID="urn:lsid:zoobank.org:act:62424717-9514-4C7D-9C0E-240F1D95F03E" httpUri="http://treatment.plazi.org/id/850559C400E45B148E802534213EEE3E" lastPageNumber="85" pageId="0" pageNumber="85" scope_family="Unionidae" scope_subFamily="Gonideinae">
<subSubSection id="19E4FC80B59D3C1E74EAA0FA9E6FD140" pageId="0" pageNumber="85" type="nomenclature">
<paragraph id="1B6526F1CF2B3A0FCB97BD2AE5F5BB76" pageId="0" pageNumber="85">
<taxonomicName id="F7479C0DB8A07C3512CD217CF5505532" ID-CoL="8NCH7" LSID="http://zoobank.org/62424717-9514-4C7D-9C0E-240F1D95F03E" authority="Wu &amp; Wu" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis" status="sp. nov.">Inversidens rentianensis Wu &amp; Wu</taxonomicName>
<taxonomicNameLabel id="0B1863D9ACB475A521C2C1B31A88CA12" pageId="0" pageNumber="85">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="A5B460185D4E0A7EF4B447E749633C9C" pageId="0" pageNumber="85" type="description">
<paragraph id="A1F0A458B68A81F6D93584017958F8C2" pageId="0" pageNumber="85">
<figureCitation id="D8B5B21962AD3AC550DF1A3E3FFFFFC3" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Photographs of Inversidens taxa A I. brandtii B I. pantoensis C I. rentianensis sp. nov. Photos: [A, B] from the MUSSEL Project, [C] from this study, NCFM 180325 (holotype), scale is 2 cm." figureDoi="10.3897/zookeys.1054.69075.figure1" httpUri="https://binary.pensoft.net/fig/573511" pageId="0" pageNumber="85">Fig. 1C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="F79A03F632EF43C7BDD347FFB607DBBB" pageId="0" pageNumber="85" type="type specimens">
<paragraph id="AF9A5CCCDF52136FA1AD4CEC8321C932" pageId="0" pageNumber="85">Type specimens.</paragraph>
<paragraph id="236692ACF55BE7F8D262C8D385FA628D" pageId="0" pageNumber="85">
<emphasis id="3DDD7C833B11910D45329FCFA6A5B7C3" bold="true" pageId="0" pageNumber="85">
<emphasis id="376B60937C8B1E37B78BF70C230EECC7" italics="true" pageId="0" pageNumber="85">Holotype</emphasis>
.
</emphasis>
China • Jiangxi Province, Ganzhou City, Rentian Town (壬田镇), Mianshui River (
<geoCoordinate id="21259703EA7B6D2E745D2FE8C5B07F6D" degrees="25.989557" direction="north" orientation="latitude" precision="1" value="25.989557">25.989557°N</geoCoordinate>
,
<geoCoordinate id="01F769824AE9C7A69AA41179987274F2" degrees="116.131333" direction="east" orientation="longitude" precision="1" value="116.13133">116.131333°E</geoCoordinate>
), 13 March 2018, coll. Xiongjun Liu (NCFM180325).
<emphasis id="57F78A8A1A4A89385950FF688CEB22F3" bold="true" pageId="0" pageNumber="85">
<emphasis id="7A7E7DC7F3FA13EC6601ED6FA44866E4" italics="true" pageId="0" pageNumber="85">Paratypes</emphasis>
.
</emphasis>
Same data as holotype (NCFM180326-NCFM180328).
</paragraph>
</subSubSection>
<subSubSection id="AF733B620C812807F16330A860DF42D2" pageId="0" pageNumber="85" type="diagnosis">
<paragraph id="C93546418F7509AB76F17FE33673ED9C" pageId="0" pageNumber="85">Diagnosis.</paragraph>
<paragraph id="D64D6E975D7C3FB38F0BAAFBBAE65AF5" pageId="0" pageNumber="85">
<taxonomicName id="4FB90945971D4EE8AD2605EFA4E5CA6B" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="07130D44E06F18F66CFA1B16C8612124" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov. is morphologically distinct from the other two recognized species within the genus by shell shape, beak position and nacre colour (Table
<tableCitation id="AE6BBD43CBE7C91570AEE14EF349E8B2" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Conchological characters of Inversidens rentianensis sp. nov., Inversidens brandtii, Inversidens pantoensis. Characteristic descriptions of I. brandtii and I. pantoensis are referenced from Kondo (1982, 2008) and He and Zhuang (2013)." httpUri="http://table.plazi.org/id/D66421FE4E53560376D6B4F7BDCA2A73" pageId="0" pageNumber="85" tableUuid="D66421FE4E53560376D6B4F7BDCA2A73">2</tableCitation>
). Diagnostic characteristics: shell irregularly subtriangular; curvature of the ventral margin slight, nearly straight; umbo situated 1/2 of shell length; nacre reddish.
</paragraph>
<caption id="D66421FE4E53560376D6B4F7BDCA2A73" ID-Table-UUID="D66421FE4E53560376D6B4F7BDCA2A73" httpUri="http://table.plazi.org/id/D66421FE4E53560376D6B4F7BDCA2A73" pageId="0" pageNumber="85" start="Table 2" startId="T2">
<paragraph id="83469355C9B0B145FE8F3A1E5CA9613F" pageId="0" pageNumber="85">
<emphasis id="640C298CCE8D10669089DC0E77A22488" bold="true" pageId="0" pageNumber="85">Table 2.</emphasis>
Conchological characters of
<taxonomicName id="BFFC12B4CEFB3B623ECF09884EDAE35D" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="A43F568A4378036F8AC57BE1C8079CF9" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName id="0B729D5D50977D82C4FB518909550176" baseAuthorityName="Kobelt" baseAuthorityYear="1879" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens brandtii" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="brandtii">
<emphasis id="F0CE04EDBBFC5944233ACD89CB16929C" italics="true" pageId="0" pageNumber="85">Inversidens brandtii</emphasis>
</taxonomicName>
,
<taxonomicName id="F4CE63FC755F3B04639199751C336020" baseAuthorityName="Neumayr" baseAuthorityYear="1899" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens pantoensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="pantoensis">
<emphasis id="B17834E2153EA2D4609744A9AE30547E" italics="true" pageId="0" pageNumber="85">Inversidens pantoensis</emphasis>
</taxonomicName>
. Characteristic descriptions of
<taxonomicName id="839E40B95CDB328A2AEA7C8BA1CF8019" lsidName="I. brandtii" pageId="0" pageNumber="85" rank="species" species="brandtii">
<emphasis id="AE57A210FA23AD3F3D2D00F849190DBD" italics="true" pageId="0" pageNumber="85">I. brandtii</emphasis>
</taxonomicName>
and
<taxonomicName id="9BB3170E97AA9F16F0B6F4E793D4EF85" lsidName="I. pantoensis" pageId="0" pageNumber="85" rank="species" species="pantoensis">
<emphasis id="C4D916E39DD48166C14DBA36BF6A1CB9" italics="true" pageId="0" pageNumber="85">I. pantoensis</emphasis>
</taxonomicName>
are referenced from
<bibRefCitation id="A7595D1D55EAC3CEE285E7E053564F13" author="Kondo, T" journalOrPublisher="Venus" pageId="0" pageNumber="85" pagination="181 - 198" refId="B15" refString="Kondo, T, 1982. Taxonomic revision of Inversidens (Bivalvia: Unionidae). Venus 41 (3): 181 - 198" title="Taxonomic revision of Inversidens (Bivalvia: Unionidae)." volume="41" year="1982">Kondo (1982</bibRefCitation>
,
<bibRefCitation id="55FB84981CEDF2301C7907756D434437" author="Kondo, T" journalOrPublisher="Venus" pageId="0" pageNumber="85" refId="B17" refString="Kondo, T, 2008. Monograph of Unionoida in Japan (Mollusca: Bivalvia). Special Publication of the Malacological Society of Japan (3): 32-34." title="Monograph of Unionoida in Japan (Mollusca: Bivalvia). Special Publication of the Malacological Society of Japan (3): 32 - 34." year="2008">2008</bibRefCitation>
) and
<bibRefCitation id="54B16D717A5F8620FC1C6A9FB4ED5DA6" author="He, J" journalOrPublisher="Hitachiobi" pageId="0" pageNumber="85" refId="B11" refString="He, J, Zhuang, Z, 2013. The Freshwater Bivalves of China. ConchBooks." title="The Freshwater Bivalves of China. ConchBooks." year="2013">He and Zhuang (2013)</bibRefCitation>
.
</paragraph>
</caption>
<paragraph id="CA74255185620450B802158F8820A3F1" pageId="0" pageNumber="85">
<table id="71BBDF699193AD8587D7A9DC657B46B2" pageId="0" pageNumber="85">
<tr id="8DE280AC605CC0E10933155DFE4E4189" pageId="0" pageNumber="85">
<th id="7AB53F279F193C1F56A5FA6305596893" colspan="1" isEmpty="true" pageId="0" pageNumber="85" rowspan="1">-</th>
<th id="93067BEEADC31DFD32F5F23321A787C2" colspan="1" pageId="0" pageNumber="85" rowspan="1">
<taxonomicName id="D6697734B2BCFC71E272D092AC9B3FE4" lsidName="I. rentianensis" pageId="0" pageNumber="85" rank="species" species="rentianensis">
<emphasis id="E6839A5A0F480E96CAE5F38F305C778E" italics="true" pageId="0" pageNumber="85">I. rentianensis</emphasis>
</taxonomicName>
sp. nov.
</th>
<th id="7DD7C5DDE1DE74BAEBF766817F1C727E" colspan="1" pageId="0" pageNumber="85" rowspan="1">
<taxonomicName id="688E39EC3CBD5C876558212BCBBD74DA" lsidName="I. brandtii" pageId="0" pageNumber="85" rank="species" species="brandtii">
<emphasis id="D8F17566EB536518F6CD98D121D9E743" italics="true" pageId="0" pageNumber="85">I. brandtii</emphasis>
</taxonomicName>
</th>
<th id="77253FEAB2FF2F9CF0DA4967F814F6D9" colspan="1" pageId="0" pageNumber="85" rowspan="1">
<taxonomicName id="AB37026868B9461C66123CFD08D311A5" lsidName="I. pantoensis" pageId="0" pageNumber="85" rank="species" species="pantoensis">
<emphasis id="68655F0AC6D162C583E34C954537D271" italics="true" pageId="0" pageNumber="85">I. pantoensis</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="3963ED6B0C528D972097C4008A48D564" pageId="0" pageNumber="85">
<td id="85173CCB955C762D89F468BC7A9F3200" colspan="1" pageId="0" pageNumber="85" rowspan="1">Shell shape</td>
<td id="366AD1740485910EB858D2B98B28B1CA" colspan="1" pageId="0" pageNumber="85" rowspan="1">Irregularly subtriangular</td>
<td id="47F67354D54A590CEFE29AAB92A7F8EA" colspan="1" pageId="0" pageNumber="85" rowspan="1">Ovate</td>
<td id="92C197A1A46B1D70833857D6613035F2" colspan="1" pageId="0" pageNumber="85" rowspan="1">Inequilateral, quadrate</td>
</tr>
<tr id="EE0CDC45D15F92438D4F9E1B46FA9312" pageId="0" pageNumber="85">
<td id="9041EC5B23920E5E1B214CF77FC73A6C" colspan="1" pageId="0" pageNumber="85" rowspan="1">Umbo position</td>
<td id="15E59A8E54DAAD665DB4B762D0E823BA" colspan="1" pageId="0" pageNumber="85" rowspan="1">1/2 of shell length</td>
<td id="9499066365C46E26525078C59F34A7D7" colspan="1" pageId="0" pageNumber="85" rowspan="1">1/4 of shell length</td>
<td id="098971D4CBB04FCF8BB45F73616F24D8" colspan="1" pageId="0" pageNumber="85" rowspan="1">1/3 of shell length</td>
</tr>
<tr id="43EB04BCDBD763136CABB15C9AEED3D2" pageId="0" pageNumber="85">
<td id="255D1BE751B4BE3D315C33E9798C4F73" colspan="1" pageId="0" pageNumber="85" rowspan="1">Umbo sculpture</td>
<td id="B33BE9E7726B45969A27CC37C9253108" colspan="1" pageId="0" pageNumber="85" rowspan="1">Feebly wavy wrinkles</td>
<td id="FD5B1FF11A2B43D4E7F7411A2E3B97A4" colspan="1" pageId="0" pageNumber="85" rowspan="1">Rippled</td>
<td id="4FAA0D57F39FE05C1F4CA4A680796368" colspan="1" pageId="0" pageNumber="85" rowspan="1">Angularly wrinkled</td>
</tr>
<tr id="7D9E247934E59B8534772F27AD2A6D3F" pageId="0" pageNumber="85">
<td id="578E1C3080BC1B44D8BFE1BEC0EC097A" colspan="1" pageId="0" pageNumber="85" rowspan="1">Surface sculpture</td>
<td id="8340F51CF5BABCD11D6D1B159722B21C" colspan="1" pageId="0" pageNumber="85" rowspan="1">Concentric ridges</td>
<td id="025D024708D4923B06F064D83500CBDB" colspan="1" pageId="0" pageNumber="85" rowspan="1">Concentric ridges</td>
<td id="AA8CB5128384ACFD779F24EA05221704" colspan="1" pageId="0" pageNumber="85" rowspan="1">Irregular growth lines</td>
</tr>
<tr id="B4655463E14FD8FD8ECC8989001183DF" pageId="0" pageNumber="85">
<td id="4F84F7735386359CB624FBCA4D30D042" colspan="1" pageId="0" pageNumber="85" rowspan="1">Nacre colour</td>
<td id="DB6114CCE5736CB11C92A02A0EDF8A56" colspan="1" pageId="0" pageNumber="85" rowspan="1">Reddish</td>
<td id="FDC0B6459654A18D4B24F11CDBE0D2DE" colspan="1" pageId="0" pageNumber="85" rowspan="1">Milk-white</td>
<td id="50DBEB13C1DD947AD5AE4BD6DF497F6F" colspan="1" pageId="0" pageNumber="85" rowspan="1">Bluish</td>
</tr>
<tr id="CC986144DB1CE14AE61D5BB2B7880B70" pageId="0" pageNumber="85">
<td id="5F67282550EFB1D986B6ACFAF4441CCA" colspan="1" pageId="0" pageNumber="85" rowspan="1">Posterior slope</td>
<td id="64A87D7C6E77B7AC1CC753F2822E3FA5" colspan="1" pageId="0" pageNumber="85" rowspan="1">Sharp</td>
<td id="C7AD2F9B2D30C2027A6E81606AFDE2A3" colspan="1" pageId="0" pageNumber="85" rowspan="1">Blunt</td>
<td id="ABAB8E9B399BD00A4B8612090F2B8B5D" colspan="1" pageId="0" pageNumber="85" rowspan="1">Blunt</td>
</tr>
<tr id="624C1F5ADEA0110D66E7A2C16637B12B" pageId="0" pageNumber="85">
<td id="539F430D2712DEBFBA73771CE17AAA71" colspan="1" pageId="0" pageNumber="85" rowspan="1">Ventral margin</td>
<td id="3B91CE6A4806600D1DB38CD944D59EFB" colspan="1" pageId="0" pageNumber="85" rowspan="1">Nearly straight</td>
<td id="CA4A1BD851DB2D1053F68A8327C5801E" colspan="1" pageId="0" pageNumber="85" rowspan="1">Arc-shaped</td>
<td id="45FA7C173929FF09EC2AD403D8A29DB3" colspan="1" pageId="0" pageNumber="85" rowspan="1">Long and straight</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection id="4607094583FC317D79F7F3FF0B1F8D15" pageId="0" pageNumber="85" type="description">
<paragraph id="0097C8574B029BE1D8C2B5541242BDBD" pageId="0" pageNumber="85">Description.</paragraph>
<paragraph id="ECF2B540C998156FC6A3BBFE6575452A" pageId="0" pageNumber="85">Shell irregularly subtriangular, medium thickness, and quite inflated. Anterior margin regularly rounded; ventral margin nearly straight; posterior margin obliquely arc-shaped. Umbo prominent and slightly eroded. Umbo sculptured with feebly wavy wrinkles. Posterior slope formed by the ventral margin and posterior margin low, triangular. Epidermis shining black or with brownish-yellow hue. Only one cardinal tooth in each valve, shape triangular. Laterals thick, a little curved, 2 in each valve. Nacre reddish-bronze in colour.</paragraph>
<paragraph id="AE3ACE746AE4C70B2A7F293FD7602228" pageId="0" pageNumber="85">Length 43-52 mm, height 29-36 mm.</paragraph>
</subSubSection>
<subSubSection id="536174841D634950C5C1DADE34B275AA" pageId="0" pageNumber="85" type="etymology">
<paragraph id="FA7B7AF4B9916F3BE77221BBF809F5BB" pageId="0" pageNumber="85">Etymology.</paragraph>
<paragraph id="CEB2178D739D8800F3A060315F972D58" pageId="0" pageNumber="85">The specific epithet is derived from the type locality, Rentian Town.</paragraph>
</subSubSection>
<subSubSection id="299275CEA34CD4F43754DCE77841F219" pageId="0" pageNumber="85" type="distribution">
<paragraph id="596E1445A877EAB68E963B0FA148D708" pageId="0" pageNumber="85">Distribution.</paragraph>
<paragraph id="300439DE55D6B6EDD72B7540A2C94A14" pageId="0" pageNumber="85">
The species is known only from Mianshui River, Rentian Town, Ganzhou City, Jiangxi Province, China (present study) (Fig.
<figureCitation id="05BFC18216EEEE3F0815EC60B08E77E5" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Photograph of sampling site of Inversidens rentianensis sp. nov. in China." figureDoi="10.3897/zookeys.1054.69075.figure2" httpUri="https://binary.pensoft.net/fig/573512" pageId="0" pageNumber="85">2</figureCitation>
).
</paragraph>
<caption id="3B3E9D37DD198AA5224FAC32F7C74250" doi="10.3897/zookeys.1054.69075.figure2" httpUri="https://binary.pensoft.net/fig/573512" pageId="0" pageNumber="85" start="Figure 2" startId="F2">
<paragraph id="4F213299F966B86D0B08184C9A180821" pageId="0" pageNumber="85">
<emphasis id="135CF9105193427EBADC8CD15C8A31F1" bold="true" pageId="0" pageNumber="85">Figure 2.</emphasis>
Photograph of sampling site of
<taxonomicName id="D173092CAB2E6109A75BF19270C4422B" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="3D0FD67D12EFBE340778CB0F7290EE73" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov. in China.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="42F7B2086092B550E9CB56B1E96EAC0F" pageId="0" pageNumber="85" type="genbank accession number">
<paragraph id="0662F59B59FB136302F04AA3DE3B46B3" pageId="0" pageNumber="85">GenBank accession number.</paragraph>
<paragraph id="46BDEACADCDC1B977E850749F1C14A81" pageId="0" pageNumber="85">Holotype, NCFM180325: MZ073336; paratypes, NCFM180326: MZ073337.</paragraph>
</subSubSection>
<subSubSection id="6A31DEFE2D1C4DC9A06FF41814718AB7" pageId="0" pageNumber="85" type="molecular analyses">
<paragraph id="6CBFAC6C707F2C4D5ED1155DD95E8D2E" pageId="0" pageNumber="85">Molecular analyses.</paragraph>
<paragraph id="63EAF083C3F0974539C2112018923307" pageId="0" pageNumber="85">
Pairwise COI sequence divergences from
<taxonomicName id="4C1FFA69ACC754DC7DA6954C3183120E" baseAuthorityName="Kobelt" baseAuthorityYear="1879" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens brandtii" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="brandtii">
<emphasis id="AF250B61CE18F74BC698AA96D49B6496" italics="true" pageId="0" pageNumber="85">Inversidens brandtii</emphasis>
</taxonomicName>
and
<taxonomicName id="3C71CB1ED8799CC89076FF6D2184684A" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="81F8D838CB68A0B0492FEAECC7AED4F1" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov. were conducted using MEGA 5.0. Based on the uncorrected
<emphasis id="4E791A0586037ACE896436335A327DA9" italics="true" pageId="0" pageNumber="85">p</emphasis>
-distance model, the intraspecific divergences of
<taxonomicName id="764712ACFDA8BEF4DFF050A0BA36A39B" lsidName="I. brandtii" pageId="0" pageNumber="85" rank="species" species="brandtii">
<emphasis id="C28AB4BD44CCA82B421FCCB84B945839" italics="true" pageId="0" pageNumber="85">I. brandtii</emphasis>
</taxonomicName>
and
<taxonomicName id="45B852258F41BEB3A199E263F61413F5" lsidName="I. rentianensis" pageId="0" pageNumber="85" rank="species" species="rentianensis">
<emphasis id="5C4B1E2F1C70B725224AF6D346774C43" italics="true" pageId="0" pageNumber="85">I. rentianensis</emphasis>
</taxonomicName>
sp. nov. were both 0.00%. The interspecific divergence of
<taxonomicName id="A7F27F03E7D4615FF828C38031A1D1A0" lsidName="I. brandtii" pageId="0" pageNumber="85" rank="species" species="brandtii">
<emphasis id="B97092FBFC21A5FC3DFB7B3A491E352D" italics="true" pageId="0" pageNumber="85">I. brandtii</emphasis>
</taxonomicName>
and
<taxonomicName id="DFA6B600D7C0FD09FDB79D792A0769BA" lsidName="I. rentianensis" pageId="0" pageNumber="85" rank="species" species="rentianensis">
<emphasis id="ABE8F5930B84C4BF7B9220B3A82FF9D9" italics="true" pageId="0" pageNumber="85">I. rentianensis</emphasis>
</taxonomicName>
sp. nov. was 10.1%. Both BI and ML trees obtained a completely consistent topology. Consistent topology relationships are shown in Figure
<figureCitation id="4D2F42ACD31D27E67BBEDDC2E095F009" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phylogenetic tree of freshwater mussels inferred from Bayesian Inference (BI) and Maximum Likelihood (ML) analyses of COI barcode. Support values above the branches are posterior probabilities (PP) / bootstrap support (BS). Red font indicates the new species from this study." figureDoi="10.3897/zookeys.1054.69075.figure3" httpUri="https://binary.pensoft.net/fig/573513" pageId="0" pageNumber="85">3</figureCitation>
. In the phylogenetic trees,
<taxonomicName id="15DE2EA5EAF9432D0EA68E506C8811A0" lsidName="I. rentianensis" pageId="0" pageNumber="85" rank="species" species="rentianensis">
<emphasis id="BBAECC92E6418A39E6B9034F685AB6DB" italics="true" pageId="0" pageNumber="85">I. rentianensis</emphasis>
</taxonomicName>
sp. nov. formed a well-supported sister-group relationship with
<taxonomicName id="49F0C34B23A2B84D86262EB358AD8758" baseAuthorityName="Kobelt" baseAuthorityYear="1879" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens brandtii" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="brandtii">
<emphasis id="A2AD9D7D1798BFD5ED34B53800639912" italics="true" pageId="0" pageNumber="85">Inversidens brandtii</emphasis>
</taxonomicName>
(PP = 1.00, BS = 100; Fig.
<figureCitation id="73A506681035C80160FCA54C7C6CD6EE" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phylogenetic tree of freshwater mussels inferred from Bayesian Inference (BI) and Maximum Likelihood (ML) analyses of COI barcode. Support values above the branches are posterior probabilities (PP) / bootstrap support (BS). Red font indicates the new species from this study." figureDoi="10.3897/zookeys.1054.69075.figure3" httpUri="https://binary.pensoft.net/fig/573513" pageId="0" pageNumber="85">3</figureCitation>
). The genera
<taxonomicName id="F81DF94F50A140D3502C90357D0C61BB" class="Bivalvia" family="Unionidae" genus="Pronodularia" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Pronodularia" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="genus">
<emphasis id="2671C2BA8A3B86C88F29EC5D297F473C" italics="true" pageId="0" pageNumber="85">Pronodularia</emphasis>
</taxonomicName>
and
<taxonomicName id="41A1281DBE84FB72F162C316B677BF05" authorityName="Habe" authorityYear="1991" class="Bivalvia" family="Unionidae" genus="Inversiunio" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversiunio" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="genus">
<emphasis id="BB93166B14E50E015CEC3D3D7608A779" italics="true" pageId="0" pageNumber="85">Inversiunio</emphasis>
</taxonomicName>
belong to different clades well-separated from
<taxonomicName id="C007EDA167F8A51CA12065025BDC6540" authorityName="F.Haas" authorityYear="1911" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="genus">
<emphasis id="FC2C42C7DAB62BA5F82FC3C214A8F22F" italics="true" pageId="0" pageNumber="85">Inversidens</emphasis>
</taxonomicName>
(Fig.
<figureCitation id="9EE18B62802AE1AF0A6A1D5BCD1525F8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Phylogenetic tree of freshwater mussels inferred from Bayesian Inference (BI) and Maximum Likelihood (ML) analyses of COI barcode. Support values above the branches are posterior probabilities (PP) / bootstrap support (BS). Red font indicates the new species from this study." figureDoi="10.3897/zookeys.1054.69075.figure3" httpUri="https://binary.pensoft.net/fig/573513" pageId="0" pageNumber="85">3</figureCitation>
).
</paragraph>
<caption id="DEBFCDBE836BC87B1231CA91E46BEA51" doi="10.3897/zookeys.1054.69075.figure3" httpUri="https://binary.pensoft.net/fig/573513" pageId="0" pageNumber="85" start="Figure 3" startId="F3">
<paragraph id="9AC35013FCB98C82A35E3055A5EB81FE" pageId="0" pageNumber="85">
<emphasis id="CB7A44062C3AD7FC63BA7858379783C0" bold="true" pageId="0" pageNumber="85">Figure 3.</emphasis>
Phylogenetic tree of freshwater mussels inferred from Bayesian Inference (BI) and Maximum Likelihood (ML) analyses of COI barcode. Support values above the branches are posterior probabilities (PP)/bootstrap support (BS). Red font indicates the new species from this study.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="1AE0068C609DDED67ACDED61924046EC" pageId="0" pageNumber="85" type="remarks">
<paragraph id="A1627345CD0AFAACCAC70CF2FF7836AC" pageId="0" pageNumber="85">Remarks.</paragraph>
<paragraph id="C242DB9DB016F40F5D6BEA89ADE21540" pageId="0" pageNumber="85">
Species delineation can be problematic in the presence of morphological ambiguities due to phenotypic plasticity and convergence (e.g., cryptic species), especially in mollusks (
<bibRefCitation id="049A66FD7F7EEE3B912060CB42A13A78" DOI="https://doi.org/10.1007/s10682-009-9350-0" author="Zieritz, A" journalOrPublisher="Evolutionary Ecology" pageId="0" pageNumber="85" pagination="923 - 938" refId="B29" refString="Zieritz, A, Hoffman, JI, Amos, W, Aldridge, DC, 2010. Phenotypic plasticity and genetic isolation-by-distance in the freshwater mussel Unio pictorum (Mollusca: Unionoida). Evolutionary Ecology 24 (4): 923 - 938, DOI: https://doi.org/10.1007/s10682-009-9350-0" title="Phenotypic plasticity and genetic isolation-by-distance in the freshwater mussel Unio pictorum (Mollusca: Unionoida)." url="https://doi.org/10.1007/s10682-009-9350-0" volume="24" year="2010">Zieritz et al. 2010</bibRefCitation>
;
<bibRefCitation id="8FE67578F66F9591AA3420A01402AAFF" DOI="https://doi.org/10.1002/ece3.649" author="Inoue, K" journalOrPublisher="Ecology and Evolution" pageId="0" pageNumber="85" pagination="2670 - 2683" refId="B13" refString="Inoue, K, Hayes, DM, Harris, JL, Christian, AD, 2013. Phylogenetic and morphometric analyses reveal ecophenotypic plasticity in freshwater mussels Obovaria jacksoniana and Villosa arkansasensis (B ivalvia: Unionidae). Ecology and Evolution 3 (8): 2670 - 2683, DOI: https://doi.org/10.1002/ece3.649" title="Phylogenetic and morphometric analyses reveal ecophenotypic plasticity in freshwater mussels Obovaria jacksoniana and Villosa arkansasensis (B ivalvia: Unionidae)." url="https://doi.org/10.1002/ece3.649" volume="3" year="2013">Inoue et al. 2013</bibRefCitation>
). The use of molecular genetics can aid species delineation in the case of phenotypic plasticity and/or convergence (
<bibRefCitation id="983C51C8E3B66F3666B7A6BA23179753" DOI="https://doi.org/10.1093/biolinnean/bly046" author="Pieri, AM" journalOrPublisher="Biological Journal of the Linnean Society" pageId="0" pageNumber="85" pagination="261 - 277" refId="B22" refString="Pieri, AM, Inoue, K, Johnson, NA, Smith, CH, Harris, JL, Robertson, C, Randklev, CR, 2018. Molecular and morphometric analyses reveal cryptic diversity within freshwater mussels (Bivalvia: Unionidae) of the western Gulf coastal drainages of the USA. Biological Journal of the Linnean Society 124 (2): 261 - 277, DOI: https://doi.org/10.1093/biolinnean/bly046" title="Molecular and morphometric analyses reveal cryptic diversity within freshwater mussels (Bivalvia: Unionidae) of the western Gulf coastal drainages of the USA." url="https://doi.org/10.1093/biolinnean/bly046" volume="124" year="2018">Pieri et al. 2018</bibRefCitation>
;
<bibRefCitation id="EB7811D579CF1670420A59EB8ADCF724" DOI="https://doi.org/10.1371/journal.pone.0200956" author="Wu, RW" journalOrPublisher="Molecular Biology and Evolution" pageId="0" pageNumber="85" refId="B28" refString="Wu, RW, Liu, YT, Wang, S, Liu, XJ, Zanatta, DT, Roe, KJ, Song, XL, An, CT, Wu, XP, 2018. Testing the utility of DNA barcodes and a preliminary phylogenetic framework for Chinese freshwater mussels (Bivalvia: Unionidae) from the middle and lower Yangtze River. PLoS ONE 13: e0200956. https://doi.org/10.1371/journal.pone.0200956" title="Testing the utility of DNA barcodes and a preliminary phylogenetic framework for Chinese freshwater mussels (Bivalvia: Unionidae) from the middle and lower Yangtze River. PLoS ONE 13: e 0200956." url="https://doi.org/10.1371/journal.pone.0200956" year="2018">Wu et al. 2018</bibRefCitation>
).
<taxonomicName id="EF3772E22E99CB5236D8A339410E359E" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="E20A5D6A75F466ADFA3F3105A2AC0C29" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov. can be distinguished from congeneric species based on diagnostic characteristics of the shell. In this study, we also analyzed the interspecific divergence between
<taxonomicName id="A63ECEF7FDB449E4AC1B3A174C14169F" baseAuthorityName="Kobelt" baseAuthorityYear="1879" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens brandtii" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="brandtii">
<emphasis id="0A1C56816F30C0AAEC8527D4D85CA36D" italics="true" pageId="0" pageNumber="85">Inversidens brandtii</emphasis>
</taxonomicName>
and
<taxonomicName id="6CACAC70ECA77FD2D83C1F201911CEC4" authorityName="Wu &amp; Wu" authorityYear="2021" class="Bivalvia" family="Unionidae" genus="Inversidens" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Inversidens rentianensis" order="Unionida" pageId="0" pageNumber="85" phylum="Mollusca" rank="species" species="rentianensis">
<emphasis id="38E7D31DE62F28D48A5C16DD0115CDD1" italics="true" pageId="0" pageNumber="85">Inversidens rentianensis</emphasis>
</taxonomicName>
sp. nov. based on the COI barcode. The results showed that the average interspecific divergence between the two species was 10.1%, which was much higher than intraspecific divergences. Genetic analysis conducted in this study supports
<taxonomicName id="278C8E9D424CF9C487169E6A17949D3D" lsidName="I. rentianensis" pageId="0" pageNumber="85" rank="species" species="rentianensis">
<emphasis id="821F8B9BF7C0F03D10A1938F1A060317" italics="true" pageId="0" pageNumber="85">I. rentianensis</emphasis>
</taxonomicName>
sp. nov. as a valid species, which can be easily distinguished by the COI barcode.
</paragraph>
</subSubSection>
</treatment>
</document>