268 lines
31 KiB
XML
268 lines
31 KiB
XML
<document id="2363DF00FDA9C5B4093AA1168C16CF9F" ID-CLB-Dataset="32600" ID-DOI="10.11646/zootaxa.4299.3.10" ID-GBIF-Dataset="37f15e5e-613d-4b9a-9972-7d0040664f7c" ID-ISSN="1175-5326" ID-Zenodo-Dep="836020" ID-ZooBank="5A66A5CE-1DFC-4900-A3C7-06A83530C417" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1501277461464" checkinUser="plazi" docAuthor="Zhang, Shuqian & Zhang, Suping" docDate="2017" docId="03DA87C6F220FFA91AE44F4D9DFF33FB" docLanguage="en" docName="zootaxa.4299.3.10.pdf" docOrigin="Zootaxa 4299 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Margarites similis Zhang & Zhang 2017, sp. nov." docType="treatment" docVersion="7" lastPageNumber="445" masterDocId="FFE3FFBEF222FFAD1A734E0B9939320E" masterDocTitle="wo new species of Margarites (Gastropoda: Margaritidae) from hydrothermal vent areas, Western Pacific" masterLastPageNumber="450" masterPageNumber="441" pageNumber="443" updateTime="1698466006912" updateUser="ExternalLinkService">
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<mods:mods id="E28C4F5A8945B5DEF80B152FF4D792FF" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="DCB7D18B2E3A98FD5EC5FDDEBA1D807A">
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<mods:title id="B7EAB6CEEC27BD3276B94A42C0F49B50">wo new species of Margarites (Gastropoda: Margaritidae) from hydrothermal vent areas, Western Pacific</mods:title>
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</mods:titleInfo>
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<mods:name id="1DC41C8349721CDC87B92327E3D02852" type="personal">
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<mods:role id="55B49EE229EB3FEEE5E708928D6CD1F5">
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<mods:roleTerm id="3911290734F905AEF4D8195A1E54D4D7">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="4CCFF27F7CD1F6B60337713815272661">Zhang, Shuqian</mods:namePart>
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</mods:name>
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<mods:name id="22A4EF142CAF3A2C49B924B9DDBC43F0" type="personal">
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<mods:role id="E77304F302610A33207825C1CD8AEE4F">
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<mods:roleTerm id="11441466DD902D090DFA46867DED1277">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="73283BB8BD9E8955AB8BA42A673785C5">Zhang, Suping</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="99D0C8FF1D12658A7AA4FD6159A60930">text</mods:typeOfResource>
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<mods:relatedItem id="37B8FAEFB7CF4379AF86DCD033A43C30" type="host">
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<mods:titleInfo id="941D08DB6FA59268A54E0A0CFEF2C54A">
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<mods:title id="6437E99430F1A351281A675B70A4FB90">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="3259F7D76F57640E020C3DB3A203C973">
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<mods:date id="7B02E25E10D067AE4045FB90BACD56BC">2017</mods:date>
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<mods:detail id="F3EF4CD9639AAB25751C96972F61448C" type="volume">
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<mods:number id="05C7265C09BD5718D53C132327C2EBB7">4299</mods:number>
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</mods:detail>
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<mods:detail id="5CF001169B33787A6D5730399E901AE0" type="issue">
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<mods:number id="9A95A63D1DF04B39D6A5D977C9614719">3</mods:number>
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</mods:detail>
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<mods:extent id="9B04B8A2594A3B31C067CBF7660DFEFF" unit="page">
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<mods:start id="7AE377527889311F5D0CCE529ADBB58E">441</mods:start>
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<mods:end id="80D79927669B1A5441C7F71831B1A722">450</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification id="55ABC944CB33DB538FA4C08918A3B066">journal article</mods:classification>
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<mods:identifier id="811283D197D006AE4D7A13523C816C25" type="CLB-Dataset">32600</mods:identifier>
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<mods:identifier id="F580F178A173C2BDB240059C0452D23C" type="DOI">10.11646/zootaxa.4299.3.10</mods:identifier>
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<mods:identifier id="91D2E773DA004202BF95C6BEEED2DF1D" type="GBIF-Dataset">37f15e5e-613d-4b9a-9972-7d0040664f7c</mods:identifier>
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<mods:identifier id="E3A661305A931365F49F1347155E80B1" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="21A99FDD9648588D117F9847A1E32277" type="Zenodo-Dep">836020</mods:identifier>
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<mods:identifier id="49379B5ABB34A201DBF2E00697C4B838" type="ZooBank">5A66A5CE-1DFC-4900-A3C7-06A83530C417</mods:identifier>
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</mods:mods>
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<treatment id="03DA87C6F220FFA91AE44F4D9DFF33FB" ID-DOI="http://doi.org/10.5281/zenodo.6038383" ID-GBIF-Taxon="132585312" ID-Zenodo-Dep="6038383" LSID="urn:lsid:plazi:treatment:03DA87C6F220FFA91AE44F4D9DFF33FB" httpUri="http://treatment.plazi.org/id/03DA87C6F220FFA91AE44F4D9DFF33FB" lastPageId="4" lastPageNumber="445" pageId="2" pageNumber="443">
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<subSubSection id="C369655BF220FFAF1AE44F4D980C338F" pageId="2" pageNumber="443" type="nomenclature">
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||
<paragraph id="8BCC36D0F220FFAF1AE44F4D98EF336E" blockId="2.[151,470,326,386]" box="[151,470,326,352]" pageId="2" pageNumber="443">
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||
<heading id="D08481BCF220FFAF1AE44F4D98EF336E" bold="true" box="[151,470,326,352]" fontSize="11" level="1" pageId="2" pageNumber="443" reason="1">
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||
<emphasis id="B907EAC2F220FFAF1AE44F4D98EF336E" bold="true" box="[151,470,326,352]" pageId="2" pageNumber="443">
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||
<taxonomicName id="4C734D53F220FFAF1AE44F4D984B336E" ID-CoL="3Y43H" authority="Zhang & Zhang, 2017" authorityName="Zhang & Zhang" authorityYear="2017" box="[151,370,326,352]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="2" pageNumber="443" phylum="Mollusca" rank="species" species="similis" status="sp. nov.">
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<emphasis id="B907EAC2F220FFAF1AE44F4D984B336E" bold="true" box="[151,370,326,352]" italics="true" pageId="2" pageNumber="443">Margarites similis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23457B9F220FFAF1B0A4F4D98EF336E" box="[377,470,326,352]" pageId="2" pageNumber="443" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BCC36D0F220FFAF1AE44F62980C338F" blockId="2.[151,470,326,386]" box="[151,309,361,386]" pageId="2" pageNumber="443">
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(
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<figureCitation id="13482A55F220FFAF1AED4F629830338F" box="[158,265,361,386]" captionStart="FIGURE 1" captionStartId="2.[151,250,1940,1962]" captionTargetBox="[265,1328,549,1919]" captionTargetId="figure@2.[265,1328,549,1919]" captionTargetPageId="2" captionText="FIGURE 1. Margarites similis sp. nov. A – D. Holotype. A. Apertural view; B. Apical view; C. Sculpture of the last adult whorl; D. Basal view. E. Apertural view of paratype; F. Dorsal view of radula, arrows indicate the lateromarginal plate. G. Rachidian and lateral teeth; H. Marginal teeth; I. Enlargement of marginal tooth, scale bar = 50 µm." httpUri="https://zenodo.org/record/836022/files/figure.png" pageId="2" pageNumber="443">Figures 1</figureCitation>
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,
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<figureCitation id="13482A55F220FFAF1B644F62981C338F" box="[279,293,361,385]" captionStart="FIGURE 2" captionStartId="3.[151,250,922,944]" captionTargetBox="[270,1324,206,872]" captionTargetId="figure@3.[226,1360,193,900]" captionTargetPageId="3" captionText="FIGURE 2. Soft part of Margarites similis sp. nov. Right view (A) and left view (B) of paratype, respectively. Abbreviations. (bct) bipectinate ctenidium; (ct) cephalic tentacle; (dg) digestive gland; (el) eye lobe; (et) epipodial tentacle; (f) foot; (in) intestine; (k) kidney; (nl) neck lobe; (op) operculum; (pm) pillial margin; (sto) stomach; (t) tentacle of neck lobe." httpUri="https://zenodo.org/record/836024/files/figure.png" pageId="2" pageNumber="443">2</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C369655BF220FFAE1AE44FBA9C1E363C" lastPageId="3" lastPageNumber="444" pageId="2" pageNumber="443" type="materials_examined">
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<paragraph id="8BCC36D0F220FFAF1AE44FBA9C7C33E0" blockId="2.[151,1436,433,494]" pageId="2" pageNumber="443">
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<emphasis id="B907EAC2F220FFAF1AE44FBA98EE33C4" bold="true" box="[151,471,433,458]" pageId="2" pageNumber="443">Type specimens. Holotype:</emphasis>
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MBM283047 (height
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<quantity id="4C8B9B35F220FFAF18A64FBA9A1433C7" box="[725,813,433,458]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" pageId="2" pageNumber="443" unit="mm" value="6.5">6.5 mm</quantity>
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, width
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<quantity id="4C8B9B35F220FFAF19F24FBA9AE233C7" box="[897,987,433,458]" metricMagnitude="-3" metricUnit="m" metricValue="8.6" pageId="2" pageNumber="443" unit="mm" value="8.6">8.6 mm</quantity>
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), from the type locality,
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<date id="FFCD1010F220FFAF1E9C4FBA9CA133C7" box="[1263,1432,433,458]" pageId="2" pageNumber="443" value="2014-04-16">April 16, 2014</date>
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;
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<emphasis id="B907EAC2F220FFAF1AE44FDE982133E0" bold="true" box="[151,280,469,494]" pageId="2" pageNumber="443">Paratypes:</emphasis>
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MBM283048, three specimens, collected with the holotype at the type locality,
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<date id="FFCD1010F220FFAF1EE94FDE9C7B33E0" box="[1178,1346,469,494]" pageId="2" pageNumber="443" value="2014-04-16">April 16, 2014</date>
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.
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</paragraph>
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<caption id="DF0C6658F220FFAF1AE4499F9D4735E6" httpUri="https://zenodo.org/record/836022/files/figure.png" pageId="2" pageNumber="443" targetBox="[265,1328,549,1919]" targetPageId="2">
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<paragraph id="8BCC36D0F220FFAF1AE4499F9D4735E6" blockId="2.[151,1436,1940,2024]" pageId="2" pageNumber="443">
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<emphasis id="B907EAC2F220FFAF1AE4499F982C35A4" bold="true" box="[151,277,1940,1962]" pageId="2" pageNumber="443">FIGURE 1.</emphasis>
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<taxonomicName id="4C734D53F220FFAF1B6D499E98E235A4" authority="Zhang & Zhang, 2017" authorityName="Zhang & Zhang" authorityYear="2017" box="[286,475,1940,1962]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="2" pageNumber="443" phylum="Mollusca" rank="species" species="similis" status="sp. nov.">
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<emphasis id="B907EAC2F220FFAF1B6D499E98E235A4" box="[286,475,1940,1962]" italics="true" pageId="2" pageNumber="443">Margarites similis</emphasis>
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</taxonomicName>
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<emphasis id="B907EAC2F220FFAF1B97499F9B4035A4" bold="true" box="[484,633,1940,1962]" pageId="2" pageNumber="443">
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<taxonomicNameLabel id="A23457B9F220FFAF1B97499F9B0E35A4" box="[484,567,1940,1962]" pageId="2" pageNumber="443" rank="species">sp. nov.</taxonomicNameLabel>
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A–D.
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</emphasis>
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Holotype.
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<emphasis id="B907EAC2F220FFAF189C499F9A3135A4" bold="true" box="[751,776,1940,1962]" pageId="2" pageNumber="443">A.</emphasis>
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Apertural view;
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<emphasis id="B907EAC2F220FFAF19CF499F9AEA35A4" bold="true" box="[956,979,1940,1962]" pageId="2" pageNumber="443">B.</emphasis>
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||
Apical view;
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<emphasis id="B907EAC2F220FFAF1E18499F9DBA35A4" bold="true" box="[1131,1155,1940,1962]" pageId="2" pageNumber="443">C.</emphasis>
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Sculpture of the last adult whorl;
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<emphasis id="B907EAC2F220FFAF1A9149B899C335C7" bold="true" box="[226,250,1971,1993]" pageId="2" pageNumber="443">D.</emphasis>
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Basal view.
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<emphasis id="B907EAC2F220FFAF1BF049B898A335C7" bold="true" box="[387,410,1971,1993]" pageId="2" pageNumber="443">E.</emphasis>
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Apertural view of paratype;
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<emphasis id="B907EAC2F220FFAF18BF49B89BE435C7" bold="true" box="[716,733,1971,1993]" pageId="2" pageNumber="443">F.</emphasis>
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Dorsal view of radula, arrows indicate the lateromarginal plate.
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<emphasis id="B907EAC2F220FFAF1FF649B89CA035C7" bold="true" box="[1413,1433,1971,1993]" pageId="2" pageNumber="443">G.</emphasis>
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Rachidian and lateral teeth;
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<emphasis id="B907EAC2F220FFAF1BC049D998F435E6" bold="true" box="[435,461,2002,2024]" pageId="2" pageNumber="443">H.</emphasis>
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Marginal teeth;
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<emphasis id="B907EAC2F220FFAF180749D99BBD35E6" bold="true" box="[628,644,2002,2024]" pageId="2" pageNumber="443">I.</emphasis>
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Enlargement of marginal tooth, scale bar=50 µm.
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</paragraph>
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</caption>
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<caption id="DF0C6658F221FFAE1AE44D919C2031E3" httpUri="https://zenodo.org/record/836024/files/figure.png" pageId="3" pageNumber="444" targetBox="[270,1324,206,872]" targetPageId="3">
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<paragraph id="8BCC36D0F221FFAE1AE44D919C2031E3" blockId="3.[151,1436,922,1005]" pageId="3" pageNumber="444">
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<emphasis id="B907EAC2F221FFAE1AE44D91982A31BE" bold="true" box="[151,275,922,944]" pageId="3" pageNumber="444">FIGURE 2.</emphasis>
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Soft part of
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<taxonomicName id="4C734D53F221FFAE1BE74D909B7731BE" authority="Zhang & Zhang, 2017" authorityName="Zhang & Zhang" authorityYear="2017" box="[404,590,922,944]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="3" pageNumber="444" phylum="Mollusca" rank="species" species="similis" status="sp. nov.">
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<emphasis id="B907EAC2F221FFAE1BE74D909B7731BE" box="[404,590,922,944]" italics="true" pageId="3" pageNumber="444">Margarites similis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23457B9F221FFAE18264D919B9F31BE" box="[597,678,922,944]" pageId="3" pageNumber="444" rank="species">
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<emphasis id="B907EAC2F221FFAE18264D919B9F31BE" bold="true" box="[597,678,922,944]" pageId="3" pageNumber="444">sp. nov.</emphasis>
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</taxonomicNameLabel>
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Right view (
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<emphasis id="B907EAC2F221FFAE195E4D919A0631BE" bold="true" box="[813,831,922,944]" pageId="3" pageNumber="444">A</emphasis>
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) and left view (
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<emphasis id="B907EAC2F221FFAE19904D919ACD31BE" bold="true" box="[995,1012,922,944]" pageId="3" pageNumber="444">B</emphasis>
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) of paratype, respectively.
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<emphasis id="B907EAC2F221FFAE1F7B4D919CAC31BE" box="[1288,1429,922,944]" italics="true" pageId="3" pageNumber="444">Abbreviations</emphasis>
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.
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<emphasis id="B907EAC2F221FFAE1AE44DB399F031C0" bold="true" box="[151,201,952,974]" pageId="3" pageNumber="444">(bct)</emphasis>
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bipectinate ctenidium;
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<emphasis id="B907EAC2F221FFAE1BB24DB398DC31C0" bold="true" box="[449,485,952,974]" pageId="3" pageNumber="444">(ct)</emphasis>
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cephalic tentacle;
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<emphasis id="B907EAC2F221FFAE18DF4DB39BE131C0" bold="true" box="[684,728,952,974]" pageId="3" pageNumber="444">(dg)</emphasis>
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digestive gland;
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<emphasis id="B907EAC2F221FFAE19FC4DB39A8A31C0" bold="true" box="[911,947,952,974]" pageId="3" pageNumber="444">(el)</emphasis>
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eye lobe;
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<emphasis id="B907EAC2F221FFAE1E564DB39D7031C0" bold="true" box="[1061,1097,952,974]" pageId="3" pageNumber="444">(et)</emphasis>
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epipodial tentacle;
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<emphasis id="B907EAC2F221FFAE1F694DB39C0B31C0" bold="true" box="[1306,1330,952,974]" pageId="3" pageNumber="444">(f)</emphasis>
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foot;
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<emphasis id="B907EAC2F221FFAE1F054DB39CA531C0" bold="true" box="[1398,1436,952,974]" pageId="3" pageNumber="444">(in)</emphasis>
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intestine;
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<emphasis id="B907EAC2F221FFAE1A894DDC982031E3" bold="true" box="[250,281,983,1005]" pageId="3" pageNumber="444">(k)</emphasis>
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kidney;
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||
<emphasis id="B907EAC2F221FFAE1B024DDC98AE31E3" bold="true" box="[369,407,983,1005]" pageId="3" pageNumber="444">(nl)</emphasis>
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neck lobe;
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<emphasis id="B907EAC2F221FFAE187E4DDC9B0131E3" bold="true" box="[525,568,983,1005]" pageId="3" pageNumber="444">(op)</emphasis>
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operculum;
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<emphasis id="B907EAC2F221FFAE18CB4DDC9BD531E3" bold="true" box="[696,748,983,1005]" pageId="3" pageNumber="444">(pm)</emphasis>
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pillial margin;
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<emphasis id="B907EAC2F221FFAE19FA4DDC9A8131E3" bold="true" box="[905,952,983,1005]" pageId="3" pageNumber="444">(sto)</emphasis>
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stomach;
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||
<emphasis id="B907EAC2F221FFAE1E534DDC9D0331E3" bold="true" box="[1056,1082,983,1005]" pageId="3" pageNumber="444">(t)</emphasis>
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tentacle of neck lobe.
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</paragraph>
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</caption>
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<paragraph id="8BCC36D0F221FFAE1AB44A129C1E363C" blockId="3.[151,1437,1049,2010]" box="[199,1319,1049,1074]" pageId="3" pageNumber="444">
|
||
<materialsCitation id="3B1B3C8DF221FFAE1AB44A129C1E363C" ID-GBIF-Occurrence="1584062374" box="[199,1319,1049,1074]" elevation="1243" latitude="27.533333" location="Okinawa" longLatPrecision="1236" longitude="126.96667" pageId="3" pageNumber="444" specimenCount="1" stateProvince="Okinawa" typeStatus="holotype">
|
||
<emphasis id="B907EAC2F221FFAE1AB44A12985C363C" bold="true" box="[199,357,1049,1074]" pageId="3" pageNumber="444">
|
||
<typeStatus id="54C88872F221FFAE1AB44A12983B363C" box="[199,258,1049,1074]" pageId="3" pageNumber="444">Type</typeStatus>
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||
locality.
|
||
</emphasis>
|
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A hydrothermal vent area at a depth of
|
||
<elevation id="005ED1E3F221FFAE19574A119A42363F" box="[804,891,1050,1074]" metricMagnitude="3" metricUnit="m" metricValue="1.2429999999999999" pageId="3" pageNumber="444" unit="m" value="1243.0">
|
||
<quantity id="4C8B9B35F221FFAE19574A119A42363F" box="[804,891,1050,1074]" metricMagnitude="3" metricUnit="m" metricValue="1.2429999999999999" pageId="3" pageNumber="444" unit="m" value="1243.0">1243 m</quantity>
|
||
</elevation>
|
||
,
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||
<geoCoordinate id="EE475017F221FFAE19F44A129ADD363C" box="[903,996,1049,1074]" direction="north" orientation="latitude" pageId="3" pageNumber="444" precision="925" value="27.533333">27°32′N</geoCoordinate>
|
||
<geoCoordinate id="EE475017F221FFAE19984A129D6E363C" box="[1003,1111,1049,1074]" direction="east" orientation="longitude" pageId="3" pageNumber="444" precision="925" value="126.96667">126°58′E</geoCoordinate>
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||
,
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||
<collectingRegion id="49B7F832F221FFAE1E114A129DFE363C" box="[1122,1223,1049,1074]" country="Japan" name="Okinawa" pageId="3" pageNumber="444">Okinawa</collectingRegion>
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Trough.
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||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C369655BF221FFAE1AB44A3698F53674" pageId="3" pageNumber="444" type="etymology">
|
||
<paragraph id="8BCC36D0F221FFAE1AB44A3698F53674" blockId="3.[151,1437,1049,2010]" pageId="3" pageNumber="444">
|
||
<emphasis id="B907EAC2F221FFAE1AB44A3698773658" bold="true" box="[199,334,1085,1110]" pageId="3" pageNumber="444">Etymology.</emphasis>
|
||
The name of the new species refers to its conchological similarity to
|
||
<taxonomicName id="4C734D53F221FFAE1E2D4A3498F13674" authority="Okutani, Tsuchida & Fujikura, 1992" authorityName="Okutani, Tsuchida & Fujikura" authorityYear="1992" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="3" pageNumber="444" phylum="Mollusca" rank="species" species="shinkai">
|
||
<emphasis id="B907EAC2F221FFAE1E2D4A349C0D3658" box="[1118,1332,1086,1110]" italics="true" pageId="3" pageNumber="444">Margarites shinkai</emphasis>
|
||
<bibRefCitation id="EFE24B21F221FFAE1F484A3698F13674" author="Okutani" pageId="3" pageNumber="444" refString="Okutani, T., Tsuchida, E. & Fujikura, K. (1992) Five bathyal gastropods living within or near the Calyptogena-community of the Hatsushima Islet, Sagami Bay. Uenus, 51, 137 - 148." type="journal article" year="1992">Okutani, Tsuchida & Fujikura, 1992</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C369655BF221FFAE1AB44A8E9BAD3704" pageId="3" pageNumber="444" type="diagnosis">
|
||
<paragraph id="8BCC36D0F221FFAE1AB44A8E9BAD3704" blockId="3.[151,1437,1049,2010]" pageId="3" pageNumber="444">
|
||
<emphasis id="B907EAC2F221FFAE1AB44A8E98783690" bold="true" box="[199,321,1157,1182]" pageId="3" pageNumber="444">Diagnosis.</emphasis>
|
||
Shell helicoid, small, fragile and depressed. Shell surface olivaceous with iridescence, sculptured with developed spiral cords and microscopic growth lines. Suture moderately constricted. Basal disk with numerous fine spiral and axial threads. Umbilicus narrow and deep. Aperture squarish. Radula rhipidoglossate, with a formula of (
|
||
<emphasis id="B907EAC2F221FFAE1B194AF998BC3707" box="[362,389,1266,1289]" italics="true" pageId="3" pageNumber="444">ca</emphasis>
|
||
. 20)+10+1+10+(
|
||
<emphasis id="B907EAC2F221FFAE18354AF99B583707" box="[582,609,1266,1289]" italics="true" pageId="3" pageNumber="444">ca</emphasis>
|
||
. 20)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C369655BF221FFA91AB44B1E9AC132DB" lastPageId="4" lastPageNumber="445" pageId="3" pageNumber="444" type="description">
|
||
<paragraph id="8BCC36D0F221FFAE1AB44B1E9B1E3424" blockId="3.[151,1437,1049,2010]" pageId="3" pageNumber="444">
|
||
<emphasis id="B907EAC2F221FFAE1AB44B1E98603720" bold="true" box="[199,345,1301,1326]" pageId="3" pageNumber="444">Description.</emphasis>
|
||
Shell (
|
||
<figureCitation id="13482A55F221FFAE1BDB4B1E98D33720" box="[424,490,1301,1326]" captionStart="FIGURE 1" captionStartId="2.[151,250,1940,1962]" captionTargetBox="[265,1328,549,1919]" captionTargetId="figure@2.[265,1328,549,1919]" captionTargetPageId="2" captionText="FIGURE 1. Margarites similis sp. nov. A – D. Holotype. A. Apertural view; B. Apical view; C. Sculpture of the last adult whorl; D. Basal view. E. Apertural view of paratype; F. Dorsal view of radula, arrows indicate the lateromarginal plate. G. Rachidian and lateral teeth; H. Marginal teeth; I. Enlargement of marginal tooth, scale bar = 50 µm." httpUri="https://zenodo.org/record/836022/files/figure.png" pageId="3" pageNumber="444">Figs 1</figureCitation>
|
||
A–E) helicoid, small and fragile. Protoconch eroded and leaving a pin-hole at apex. Spire small and depressed, last adult whorl large and wide. Suture moderately constricted. Shell surface olivaceous with iridescence. Teleoconch whorls slightly convex, sculptured with pronounced spiral cords crossing with microscopic growth lines, giving shell surface a rough appearance. Penultimate whorl with 6 flattened spiral cords, separated by narrow grooves; last adult whorl with 9 slightly raised spiral cords, separated by relatively wider grooves. Basal disk with numerous fine spiral and axial threads. Umbilicus narrow and deep. Aperture squarish, outer lip simple, inner lip thinly calloused, basal lip and columellar lip forming a rounded angle. Operculum thin, corneous, yellowish and mutispiral.
|
||
</paragraph>
|
||
<paragraph id="8BCC36D0F221FFAE1AB4483E9D7634B4" blockId="3.[151,1437,1049,2010]" pageId="3" pageNumber="444">
|
||
Radula (
|
||
<figureCitation id="13482A55F221FFAE1B57483E985F3440" box="[292,358,1589,1614]" captionStart="FIGURE 1" captionStartId="2.[151,250,1940,1962]" captionTargetBox="[265,1328,549,1919]" captionTargetId="figure@2.[265,1328,549,1919]" captionTargetPageId="2" captionText="FIGURE 1. Margarites similis sp. nov. A – D. Holotype. A. Apertural view; B. Apical view; C. Sculpture of the last adult whorl; D. Basal view. E. Apertural view of paratype; F. Dorsal view of radula, arrows indicate the lateromarginal plate. G. Rachidian and lateral teeth; H. Marginal teeth; I. Enlargement of marginal tooth, scale bar = 50 µm." httpUri="https://zenodo.org/record/836022/files/figure.png" pageId="3" pageNumber="444">Figs 1</figureCitation>
|
||
F–I) rhipidoglossate, formula (
|
||
<emphasis id="B907EAC2F221FFAE18B1483C9BE53440" box="[706,732,1591,1614]" italics="true" pageId="3" pageNumber="444">ca</emphasis>
|
||
. 20)+10+1+10+(
|
||
<emphasis id="B907EAC2F221FFAE19ED483C9A803440" box="[926,953,1591,1614]" italics="true" pageId="3" pageNumber="444">ca</emphasis>
|
||
. 20). Rachidian tooth with a blunt, serrated overhanging cusp and a broadly ovate base. Lateral teeth gradually increasing in size outwardly, with overlapping cusps and relatively narrow base. Lateromarginal plate present, triangular in shape, bilobated by a deep incision (see arrows in
|
||
<figureCitation id="13482A55F221FFAE1B4848AA984B34B4" box="[315,370,1697,1722]" captionStart="FIGURE 1" captionStartId="2.[151,250,1940,1962]" captionTargetBox="[265,1328,549,1919]" captionTargetId="figure@2.[265,1328,549,1919]" captionTargetPageId="2" captionText="FIGURE 1. Margarites similis sp. nov. A – D. Holotype. A. Apertural view; B. Apical view; C. Sculpture of the last adult whorl; D. Basal view. E. Apertural view of paratype; F. Dorsal view of radula, arrows indicate the lateromarginal plate. G. Rachidian and lateral teeth; H. Marginal teeth; I. Enlargement of marginal tooth, scale bar = 50 µm." httpUri="https://zenodo.org/record/836022/files/figure.png" pageId="3" pageNumber="444">Fig 1</figureCitation>
|
||
F). Marginal teeth thin, with long shaft and serrated cutting edge.
|
||
</paragraph>
|
||
<paragraph id="8BCC36D0F221FFA91AB448CE9AC132DB" blockId="3.[151,1437,1049,2010]" lastBlockId="4.[151,1437,151,501]" lastPageId="4" lastPageNumber="445" pageId="3" pageNumber="444">
|
||
Soft part (
|
||
<figureCitation id="13482A55F221FFAE1B4548CE984534D0" box="[310,380,1733,1758]" captionStart="FIGURE 2" captionStartId="3.[151,250,922,944]" captionTargetBox="[270,1324,206,872]" captionTargetId="figure@3.[226,1360,193,900]" captionTargetPageId="3" captionText="FIGURE 2. Soft part of Margarites similis sp. nov. Right view (A) and left view (B) of paratype, respectively. Abbreviations. (bct) bipectinate ctenidium; (ct) cephalic tentacle; (dg) digestive gland; (el) eye lobe; (et) epipodial tentacle; (f) foot; (in) intestine; (k) kidney; (nl) neck lobe; (op) operculum; (pm) pillial margin; (sto) stomach; (t) tentacle of neck lobe." httpUri="https://zenodo.org/record/836024/files/figure.png" pageId="3" pageNumber="444">Figs 2</figureCitation>
|
||
A–B). Foot pale orange and the rest pale white in color. Foot large, well developed. Head quite large, snout cylindrical. One pair of cephalic tentacles very long and slender, of similar size to each other. Eye lobes stout, without visible papillae and eyes. Neck lobes arising from both basal sides of the head. Right neck lobe forming a tentacle-like protuberance and left neck lobe forming a tentacle of neck lobe. Foot equipped with four and six epipodial tentacles on left and right side respectively. Left side: four epipodial tentacles subequal in size, of which the first and second ones clustered together. Right side: first, second and third epipodial tentacles clustered together, decreasing in size; the remaining ones subequal in size. Ctenidium bipectinate and large, attached to left part of the mantle. Kidney large, located on dorsal midline of the body. Intestine situated at lower right of the kidney. Posterior part of intestine forming a loop in front of stomach. Stomach located behind the kidney and partly surrounded by digestive gland. The stomach containing grey fluffy materials.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C369655BF226FFA91AB44ED49DFF33FB" pageId="4" pageNumber="445" type="discussion">
|
||
<paragraph id="8BCC36D0F226FFA91AB44ED49DFF33FB" blockId="4.[151,1437,151,501]" pageId="4" pageNumber="445">
|
||
<emphasis id="B907EAC2F226FFA91AB44ED4980232F6" bold="true" box="[199,315,223,248]" pageId="4" pageNumber="445">Remarks.</emphasis>
|
||
<taxonomicName id="4C734D53F226FFA91B3A4EEB9B2632F6" authority="Zhang & Zhang, 2017" authorityName="Zhang & Zhang" authorityYear="2017" box="[329,543,224,248]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="similis" status="sp. nov.">
|
||
<emphasis id="B907EAC2F226FFA91B3A4EEB9B2632F6" box="[329,543,224,248]" italics="true" pageId="4" pageNumber="445">Margarites similis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23457B9F226FFA9185E4ED49BB632F6" box="[557,655,223,248]" pageId="4" pageNumber="445" rank="species">
|
||
<emphasis id="B907EAC2F226FFA9185E4ED49BB632F6" bold="true" box="[557,655,223,248]" pageId="4" pageNumber="445">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
superficially resembles
|
||
<taxonomicName id="4C734D53F226FFA919C44EEB98053312" authority="Okutani, Tsuchida & Fujikura, 1992" authorityName="Okutani, Tsuchida & Fujikura" authorityYear="1992" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="shinkai">
|
||
<emphasis id="B907EAC2F226FFA919C44EEB9DAD32F6" box="[951,1172,224,248]" italics="true" pageId="4" pageNumber="445">Margarites shinkai</emphasis>
|
||
<bibRefCitation id="EFE24B21F226FFA91ED14ED498053312" author="Okutani" pageId="4" pageNumber="445" refString="Okutani, T., Tsuchida, E. & Fujikura, K. (1992) Five bathyal gastropods living within or near the Calyptogena-community of the Hatsushima Islet, Sagami Bay. Uenus, 51, 137 - 148." type="journal article" year="1992">
|
||
Okutani, Tsuchida & Fujikura,
|
||
<quantity id="4C8B9B35F226FFA91B774F0F98053312" box="[260,316,260,284]" metricMagnitude="1" metricUnit="m" metricValue="5.05968" pageId="4" pageNumber="445" unit="in" value="1992.0">1992</quantity>
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
in shell shape, but differs in having fewer spiral cords with wider interspaces and in having a much smaller shell size (6.5×
|
||
<quantity id="4C8B9B35F226FFA91BDF4F2C9B333331" box="[428,522,295,320]" metricMagnitude="-3" metricUnit="m" metricValue="8.6" pageId="4" pageNumber="445" unit="mm" value="8.6">8.6 mm</quantity>
|
||
<emphasis id="B907EAC2F226FFA918654F229B0C334E" box="[534,565,297,320]" italics="true" pageId="4" pageNumber="445">vs.</emphasis>
|
||
11.0×
|
||
<quantity id="4C8B9B35F226FFA918F04F2C9BC9334E" box="[643,752,295,320]" metricMagnitude="-2" metricUnit="m" metricValue="1.51" pageId="4" pageNumber="445" unit="mm" value="15.1">15.1 mm</quantity>
|
||
). In addition, the new species can be distinguished from
|
||
<taxonomicName id="4C734D53F226FFA91AE44F469857336A" authorityName="Okutani, Tsuchida & Fujikura" authorityYear="1992" box="[151,366,332,356]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="shinkai">
|
||
<emphasis id="B907EAC2F226FFA91AE44F469857336A" box="[151,366,332,356]" italics="true" pageId="4" pageNumber="445">Margarites shinkai</emphasis>
|
||
</taxonomicName>
|
||
in having a central tooth with a much broader base and 10 instead of 8 pairs of lateral teeth.
|
||
<taxonomicName id="4C734D53F226FFA91AE44F7B98533386" authority="Zhang & Zhang, 2017" authorityName="Zhang & Zhang" authorityYear="2017" box="[151,362,368,392]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="similis" status="sp. nov.">
|
||
<emphasis id="B907EAC2F226FFA91AE44F7B98533386" box="[151,362,368,392]" italics="true" pageId="4" pageNumber="445">Margarites similis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23457B9F226FFA91B054F6498EF3386" box="[374,470,367,392]" pageId="4" pageNumber="445" rank="species">
|
||
<emphasis id="B907EAC2F226FFA91B054F6498EF3386" bold="true" box="[374,470,367,392]" pageId="4" pageNumber="445">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
is similar to another hydrothermal vent species,
|
||
<taxonomicName id="4C734D53F226FFA91E554F7B988D33A2" authority="Okutani, Sasaki & Tsuchida, 2000" authorityName="Okutani, Sasaki & Tsuchida" authorityYear="2000" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="ryukyuensis">
|
||
<emphasis id="B907EAC2F226FFA91E554F7B9C0A3386" box="[1062,1331,368,392]" italics="true" pageId="4" pageNumber="445">Margarites ryukyuensis</emphasis>
|
||
<bibRefCitation id="EFE24B21F226FFA91F484F64988D33A2" author="Okutani" pageId="4" pageNumber="445" refString="Okutani, T., Sasaki, T. & Tsuchida, S. (2000) Two additional new species to gastropod fauna of chemosynthetic site on North Knoll of Iheya Ridge, Okinawa Trough. Uenus, 59 (4), 267 - 275." type="journal article" year="2000">Okutani, Sasaki & Tsuchida, 2000</bibRefCitation>
|
||
</taxonomicName>
|
||
, with which it shares the same radula formula. However,
|
||
<taxonomicName id="4C734D53F226FFA91E314F9E9C7233A2" authorityName="Okutani, Sasaki & Tsuchida" authorityYear="2000" box="[1090,1355,404,428]" class="Gastropoda" family="Margaritidae" genus="Margarites" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="4" pageNumber="445" phylum="Mollusca" rank="species" species="ryukyuensis">
|
||
<emphasis id="B907EAC2F226FFA91E314F9E9C7233A2" box="[1090,1355,404,428]" italics="true" pageId="4" pageNumber="445">Margarites ryukyuensis</emphasis>
|
||
</taxonomicName>
|
||
differs from the new species in having much more convex teleoconch whorls with weaker spiral cords, a narrower base of the rachidian teeth and a different shape of the lateromarginal plate (subquadrate
|
||
<emphasis id="B907EAC2F226FFA91E504FD69D7833FA" box="[1059,1089,477,500]" italics="true" pageId="4" pageNumber="445">vs.</emphasis>
|
||
triangular).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |