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<document id="EDD16A8D013F409A973A2F2C108F4699" ID-CLB-Dataset="32590" ID-DOI="10.11646/zootaxa.4299.4.1" ID-GBIF-Dataset="e9fcac10-f2bf-4f24-b015-b8c0f18faa14" ID-ISSN="1175-5326" ID-Zenodo-Dep="836971" ID-ZooBank="DEB133FB-9D5A-4F17-A718-568ACA9BA9D7" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1501579068187" checkinUser="plazi" docAuthor="Sirenko, Boris I. & Saito, Hiroshi" docDate="2017" docId="2C2987BBDD5AFFBBFF1030ABFDCFD3B9" docLanguage="en" docName="zootaxa.4299.4.1.pdf" docOrigin="Zootaxa 4299 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leptoplax Dall 1882" docType="treatment" docVersion="8" lastPageNumber="460" masterDocId="D010FFC3DD52FFB2FF87362AFFCBD52F" masterDocTitle="New species of chitons of the superfamily Cryptoplacoidea (Mollusca: Polyplacophora) from Vietnamese waters" masterLastPageNumber="506" masterPageNumber="451" pageNumber="459" updateTime="1698466057706" updateUser="ExternalLinkService">
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<mods:titleInfo id="004B60D8A37AE59235D873E954C76BD1">
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<mods:title id="EDD577D176CF80A1BA08688867AE1DC5">New species of chitons of the superfamily Cryptoplacoidea (Mollusca: Polyplacophora) from Vietnamese waters</mods:title>
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<mods:name id="05F20BDA6712ADA6024FF81AB38D611A" type="personal">
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<mods:roleTerm id="F9EA1CA69FD213EF20A3EF69B8491DAD">Author</mods:roleTerm>
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<mods:namePart id="42E1F4E485809D2EA95A042EE7E6F67C">Sirenko, Boris I.</mods:namePart>
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<mods:name id="984209348E920E62F1760319E1FCE8B6" type="personal">
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<mods:roleTerm id="DD267BDB7C318E1BA8BBDCD3BF656181">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="32A13A5C72CE835EF61524C5CC59C65E">Saito, Hiroshi</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="F396D604B9ABE7FA483943E69E89212E">text</mods:typeOfResource>
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<mods:title id="226B8A0EE077238736E9E7E92B2955DF">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="580FD8499D3C6698ED6F846AC369606B">
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<mods:date id="A22DA7E56A03B66AC0C6960F33553960">2017</mods:date>
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<mods:detail id="57CF5F77AAAB0E2372FDAE7DF0DBCD2C" type="volume">
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<mods:number id="FA5ECBCF76A708B541A58C48D3924391">4299</mods:number>
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</mods:detail>
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<mods:detail id="868DE817AAD310F99FCC12E3E64021B9" type="issue">
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<mods:number id="C2AEFCC6E6C47F2963AEBFE3D51304F7">4</mods:number>
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<mods:start id="C195FAC0E874100718922991D88F971B">451</mods:start>
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<mods:classification id="EB35C617E3648CAC2DE4407EA432ED6E">journal article</mods:classification>
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<mods:identifier id="E096EA024BA8ED6E72FDF45D24E669EA" type="CLB-Dataset">32590</mods:identifier>
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<mods:identifier id="3B59FF956160D507E8BAA55814785935" type="DOI">10.11646/zootaxa.4299.4.1</mods:identifier>
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<mods:identifier id="3364B642647D11E40185E24F30E62D94" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="A22CAD97C7F1E94BBF028FE21AB0CA98" type="Zenodo-Dep">836971</mods:identifier>
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<treatment id="2C2987BBDD5AFFBBFF1030ABFDCFD3B9" ID-DOI="http://doi.org/10.5281/zenodo.5998835" ID-GBIF-Taxon="132617925" ID-Zenodo-Dep="5998835" LSID="urn:lsid:plazi:treatment:2C2987BBDD5AFFBBFF1030ABFDCFD3B9" httpUri="http://treatment.plazi.org/id/2C2987BBDD5AFFBBFF1030ABFDCFD3B9" lastPageId="9" lastPageNumber="460" pageId="8" pageNumber="459">
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<subSubSection id="EC9A6526DD5AFFBAFF1030ABFD77D3B4" box="[151,700,1664,1691]" pageId="8" pageNumber="459" type="nomenclature">
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<paragraph id="A43F36ADDD5AFFBAFF1030ABFD77D3B4" blockId="8.[151,700,1664,1691]" box="[151,700,1664,1691]" pageId="8" pageNumber="459">
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<heading id="FF7781C1DD5AFFBAFF1030ABFD77D3B4" bold="true" box="[151,700,1664,1691]" fontSize="11" level="1" pageId="8" pageNumber="459" reason="1">
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<emphasis id="96F4EABFDD5AFFBAFF1030ABFD77D3B4" bold="true" box="[151,700,1664,1691]" pageId="8" pageNumber="459">
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Genus
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<taxonomicName id="63804D2EDD5AFFBAFF6930AAFEACD3B5" ID-CoL="7P79M" authorityName="Dall" authorityYear="1882" box="[238,359,1664,1690]" class="Polyplacophora" family="Acanthochitonidae" genus="Leptoplax" kingdom="Animalia" order="Chitonida" pageId="8" pageNumber="459" phylum="Mollusca" rank="genus">
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<emphasis id="96F4EABFDD5AFFBAFF6930AAFEACD3B5" bold="true" box="[238,359,1664,1690]" italics="true" pageId="8" pageNumber="459">Leptoplax</emphasis>
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</taxonomicName>
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(Carpenter MS)
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<bibRefCitation id="C0114B5CDD5AFFBAFDB930ABFD77D3B4" author="Dall" box="[574,700,1665,1691]" pageId="8" pageNumber="459" refString="Dall, W. H. (1882) On the genera of chitons. Proceedings of the United States National Museum, 4, 279 - 291. [for 1881]" type="journal article" year="1882">Dall, 1882</bibRefCitation>
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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="EC9A6526DD5AFFBAFF1030EDFC92D3CF" box="[151,857,1735,1760]" pageId="8" pageNumber="459" type="materials_examined">
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<paragraph id="A43F36ADDD5AFFBAFF1030EDFC92D3CF" blockId="8.[151,1437,1735,2012]" box="[151,857,1735,1760]" pageId="8" pageNumber="459">
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<emphasis id="96F4EABFDD5AFFBAFF1030EDFEF9D3CF" bold="true" box="[151,306,1735,1760]" pageId="8" pageNumber="459">Type species.</emphasis>
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<taxonomicName id="63804D2EDD5AFFBAFEBE30EDFD79D3CF" authority="Sowerby, 1841" authorityName="G. B. Sowerby II" authorityYear="1841" box="[313,690,1735,1760]" class="Polyplacophora" family="Chitonidae" genus="Chiton" kingdom="Animalia" order="Chitonida" pageId="8" pageNumber="459" phylum="Mollusca" rank="species" species="coarctatus">
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<emphasis id="96F4EABFDD5AFFBAFEBE30EDFDCAD3F0" box="[313,513,1735,1760]" italics="true" pageId="8" pageNumber="459">Chiton coarctatus</emphasis>
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Sowerby, 1841
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</taxonomicName>
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, by monotypy.
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</paragraph>
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</subSubSection>
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<subSubSection id="EC9A6526DD5AFFBBFF4030C1FCBED5FA" lastPageId="9" lastPageNumber="460" pageId="8" pageNumber="459" type="diagnosis">
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<paragraph id="A43F36ADDD5AFFBBFF4030C1FCBED5FA" blockId="8.[151,1437,1735,2012]" lastBlockId="9.[151,1436,151,213]" lastPageId="9" lastPageNumber="460" pageId="8" pageNumber="459">
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<emphasis id="96F4EABFDD5AFFBAFF4030C1FE8AD22B" bold="true" box="[199,321,1771,1796]" pageId="8" pageNumber="459">Diagnosis.</emphasis>
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Medium chitons. Tegmentum rather wide to reduced, with well defined, narrow to wedge-shaped jugum; lateral and pleural areas hardly separable (occasionally separable with larger pustules on diagonal line). Articulamentum large; sutural laminae concave in antero-lateral edge in tail valve; insertion plates medium to large on all valves; slit formula 5/1/3-10. Girdle large, thick, fleshy, densely spiculose, usually not completely encroaching between valves; sutural tufts always present, but usually not prominent. Radula teeth arranged symmetrically (rarely asymmetrical in central part); central tooth asymmetrical, spatula-shaped or those with wide basal portion, concave in the distal half, keeled at base; first lateral (centro-lateral) tooth of radula with thin or slightly thickened antero-dorsal corner; median denticle of tricuspid major lateral tooth long, but not as long as in
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<taxonomicName id="63804D2EDD5BFFBBFF103696FF35D5FA" authorityName="H. Adams" authorityYear="1861" box="[151,254,188,213]" class="Polyplacophora" family="Acanthochitonidae" genus="Notoplax" kingdom="Animalia" order="Chitonida" pageId="9" pageNumber="460" phylum="Mollusca" rank="genus">
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<emphasis id="96F4EABFDD5BFFBBFF103696FF35D5FA" box="[151,254,188,213]" italics="true" pageId="9" pageNumber="460">Notoplax</emphasis>
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</taxonomicName>
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(radula characters: after
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<bibRefCitation id="C0114B5CDD5BFFBBFD923696FD5ED5FB" author="Saito" box="[533,661,188,213]" pageId="9" pageNumber="460" refString="Saito, H. (2004) Phylogenetic significance of the radula in chitons, with special reference to the Cryptoplacoidea (Mollusca: Polyplacophora). Bollettino Malacologico, 5 (Supplement), 85 - 100." type="journal article" year="2004">Saito, 2004</bibRefCitation>
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with modification).
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</paragraph>
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</subSubSection>
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<caption id="F0FF6625DD5BFFBBFF103342FD21D0B3" httpUri="https://zenodo.org/record/836985/files/figure.png" pageId="9" pageNumber="460" targetBox="[157,1426,270,1355]" targetPageId="9">
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<paragraph id="A43F36ADDD5BFFBBFF103342FD21D0B3" blockId="9.[151,1435,1384,1436]" pageId="9" pageNumber="460">
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<emphasis id="96F4EABFDD5BFFBBFF103342FED9D051" bold="true" box="[151,274,1384,1406]" pageId="9" pageNumber="460">FIGURE 7.</emphasis>
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<taxonomicName id="63804D2EDD5BFFBBFE903342FE1BD051" authority="Sirenko & Saito, 2017" authorityName="Sirenko & Saito" authorityYear="2017" box="[279,464,1384,1406]" class="Polyplacophora" family="Acanthochitonidae" genus="Notoplax" kingdom="Animalia" order="Chitonida" pageId="9" pageNumber="460" phylum="Mollusca" rank="species" species="odysseyi" status="sp. nov.">
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<emphasis id="96F4EABFDD5BFFBBFE903342FE1BD051" box="[279,464,1384,1406]" italics="true" pageId="9" pageNumber="460">Notoplax odysseyi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="8DC757C4DD5BFFBBFE523342FDC5D051" box="[469,526,1384,1406]" pageId="9" pageNumber="460" rank="species">
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<emphasis id="96F4EABFDD5BFFBBFE523342FDC5D051" bold="true" box="[469,526,1384,1406]" pageId="9" pageNumber="460">n. sp.</emphasis>
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</taxonomicNameLabel>
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, Southern Vietnam, Off Phan Rang, holotype, BL 51 mm: A. Pustules on the front edge of valve IV; B. Needles of tuft; C. Dorsal needles; D. Radula.
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</paragraph>
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</caption>
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<subSubSection id="EC9A6526DD5BFFBBFF4033E3FDCFD3B9" pageId="9" pageNumber="460" type="discussion">
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<paragraph id="A43F36ADDD5BFFBBFF4033E3FDCFD3B9" blockId="9.[151,1436,1481,1686]" pageId="9" pageNumber="460">
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<emphasis id="96F4EABFDD5BFFBBFF4033E3FEF0D0CD" bold="true" box="[199,315,1481,1506]" pageId="9" pageNumber="460">Remarks.</emphasis>
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The genus
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<taxonomicName id="63804D2EDD5BFFBBFE4433E3FDF8D0CD" authorityName="Dall" authorityYear="1882" box="[451,563,1481,1506]" class="Polyplacophora" family="Acanthochitonidae" genus="Leptoplax" kingdom="Animalia" order="Chitonida" pageId="9" pageNumber="460" phylum="Mollusca" rank="genus">
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<emphasis id="96F4EABFDD5BFFBBFE4433E3FDF8D0CD" box="[451,563,1481,1506]" italics="true" pageId="9" pageNumber="460">Leptoplax</emphasis>
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</taxonomicName>
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had been considered to represent a synonym of the genus
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<taxonomicName id="63804D2EDD5BFFBBFB5D33E3FA8AD0CD" authorityName="H. Adams" authorityYear="1861" box="[1242,1345,1481,1506]" class="Polyplacophora" family="Acanthochitonidae" genus="Notoplax" kingdom="Animalia" order="Chitonida" pageId="9" pageNumber="460" phylum="Mollusca" rank="genus">
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<emphasis id="96F4EABFDD5BFFBBFB5D33E3FA8AD0CD" box="[1242,1345,1481,1506]" italics="true" pageId="9" pageNumber="460">Notoplax</emphasis>
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</taxonomicName>
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but has been reinstated by
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<bibRefCitation id="C0114B5CDD5BFFBBFEEA33C7FDB1D329" author="Gowlett-Holmes" box="[365,634,1517,1542]" pageId="9" pageNumber="460" refString="Gowlett-Holmes, K. L. (2001) Polyplacophora. In: Wells, A. & Houston, W. W. K. (Eds.), Zoological Catalogue of Australia. Fol. 17.2. Mollusca: Aplacophora, Polyplacophora, Scaphopoda, Cephalopoda. CSIRO Publishing, Melbourne, pp. 19 - 84." type="book chapter" year="2001">Gowlett-Holmes (2001)</bibRefCitation>
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after redefinition of the latter genus (
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<bibRefCitation id="C0114B5CDD5BFFBBFBA233C7FAEED329" author="Gowlett-Holmes" box="[1061,1317,1517,1542]" pageId="9" pageNumber="460" refString="Gowlett-Holmes, K. L. (1991) Redefinition of the genus Notoplax H. Adams, 1861, and recognition of the monotypic New Zealand genus Pseudotonicia Ashby, 1928 (Mollusca: Polyplacophora: Acanthochitonidae). Journal of the Malacological Society of Australia, 12, 77 - 88." type="journal article" year="1991">Gowlett-Holmes 1991</bibRefCitation>
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), although the redefinition of
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<taxonomicName id="63804D2EDD5BFFBBFEE9303BFE15D305" authorityName="Dall" authorityYear="1882" box="[366,478,1553,1578]" class="Polyplacophora" family="Acanthochitonidae" genus="Leptoplax" kingdom="Animalia" order="Chitonida" pageId="9" pageNumber="460" phylum="Mollusca" rank="genus">
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<emphasis id="96F4EABFDD5BFFBBFEE9303BFE15D305" box="[366,478,1553,1578]" italics="true" pageId="9" pageNumber="460">Leptoplax</emphasis>
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</taxonomicName>
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has not been given to date. Here we propose a new definition. The main criteria to distinguish the two genera are the morphology of the sutural laminae of the tail valve and the radula, especially of the central and the first lateral teeth. However, further research including molecular analysis is needed to establish better definition for both genera.
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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