310 lines
38 KiB
XML
310 lines
38 KiB
XML
<document id="DC605E22ECA40FC3E60696022D6D59B2" ID-DOI="10.11646/zootaxa.5507.2.9" ID-ISSN="1175-5326" ID-Zenodo-Dep="13757765" ID-ZooBank="732EF0D1-7CDA-4366-B164-156D4E2E8E7F" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1726221687458" checkinUser="plazi" docAuthor="Gu, Huimin, Sun, Lingyun & Huang, Yong" docDate="2024" docId="FB11EF63FF8A347558F0FA78FB8099D0" docLanguage="en" docName="zootaxa.5507.2.9.pdf" docOrigin="Zootaxa 5507 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5507.2.9" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Leptolaimus hamatus Gu, Sun & Huang, 2024, sp. nov." docType="treatment" docVersion="2" lastPageNumber="392" masterDocId="0728971BFF8F347C5867FFB2FFEC9859" masterDocTitle="Two new species of Leptolaimus (Nematoda: Plectida) from Chinese sea area" masterLastPageNumber="394" masterPageNumber="384" pageNumber="389" updateTime="1726222090683" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo id="5B6B0621718CC1C28A31B49D448E2DD7">
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<mods:title id="83DAB3196B70AA6F2192BB134AE69547">Two new species of Leptolaimus (Nematoda: Plectida) from Chinese sea area</mods:title>
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</mods:titleInfo>
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<mods:name id="0D7A5AF3AD83A56852CB0AFBC13F063D" type="personal">
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<mods:roleTerm id="10E6E1D4EEA099EBB99B9F5CBC01B2AF">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A5A9EB66F7494BA4910EC752B684DAB7">Gu, Huimin</mods:namePart>
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<mods:nameIdentifier id="09CCD976C3BD0C8DA4125578990B3098" type="ORCID">0009-0008-5820-4678</mods:nameIdentifier>
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<mods:affiliation id="77880D143E09E7E1BA532CB863A2ED78">College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China</mods:affiliation>
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</mods:name>
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<mods:name id="F59FFD88415F85DCA19911053687F07B" type="personal">
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<mods:role id="6092957CD82BB938A07A5AB7EF49BCD5">
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<mods:roleTerm id="6C64903BF4AD83003C28ED46CC9C57A7">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="FDC90F9EFC5AC440DECB91D309C46B32">Sun, Lingyun</mods:namePart>
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<mods:nameIdentifier id="B53DF6F9F6C4D92FDDB9A712A696C0F2" type="ORCID">0009-0005-3553-3645</mods:nameIdentifier>
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<mods:affiliation id="FE3FBA27BF8DACA67C7F16052B2878B4">College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China</mods:affiliation>
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<mods:nameIdentifier id="CB83A603DAC7FEC29393FED98EF57091" type="email">981779432@qq.com</mods:nameIdentifier>
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</mods:name>
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<mods:name id="17ECEFE5BE08472238E733D1D74CBE5A" type="personal">
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<mods:role id="EAB1345A837329EA1B138511D60E053E">
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<mods:roleTerm id="EEF596EC55EF63A550D81A1410B7BECC">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="8C0DAA2E095995C917E56393CF92C984">Huang, Yong</mods:namePart>
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<mods:affiliation id="46D241C098EA41CF4264FEA5C79AE740">College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China</mods:affiliation>
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<mods:typeOfResource id="EE15A24176BD5E6E9B12937C6FED253B">text</mods:typeOfResource>
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<mods:title id="087FA814B2AFDAFAD8AB5ADF9F6DE072">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="17364DD376FAA653F4C1729C307358E3">
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<mods:date id="AD6DDC79FCD9BCB13446EC2EC6F86ADF">2024</mods:date>
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<mods:number id="B7E95377106A2779A2B2155BBC37E39D">2024-09-12</mods:number>
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<mods:number id="DE57162169B7D41A62144A366F8CEF91">5507</mods:number>
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<mods:detail id="85CEFE6D9FE4851A0C4AC455897DEBAD" type="issue">
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<mods:number id="B097AE085D58B1A0604D7D869E82DC3A">2</mods:number>
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<mods:start id="67600B01BD188123165CB3F6745F0C4E">384</mods:start>
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<mods:url id="93CBA2566CA8EA9EDD55831350BF19F5">http://dx.doi.org/10.11646/zootaxa.5507.2.9</mods:url>
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<mods:classification id="BB33AC12820EC78DBA8555AFFE36CABA">journal article</mods:classification>
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<mods:identifier id="66DA7C3858109D4DAD4BDF7F8D0882FD" type="DOI">10.11646/zootaxa.5507.2.9</mods:identifier>
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<mods:identifier id="4F203768E7462DA6DE44F36EAB44FA74" type="ISSN">1175-5326</mods:identifier>
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</mods:mods>
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<treatment id="FB11EF63FF8A347558F0FA78FB8099D0" LSID="urn:lsid:plazi:treatment:FB11EF63FF8A347558F0FA78FB8099D0" httpUri="http://treatment.plazi.org/id/FB11EF63FF8A347558F0FA78FB8099D0" lastPageId="9" lastPageNumber="392" pageId="5" pageNumber="389">
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<subSubSection id="3BA20DFEFF8A347958F0FA78FDEE9DBC" box="[151,514,1482,1509]" pageId="5" pageNumber="389" type="nomenclature">
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<paragraph id="73075E75FF8A347958F0FA78FDEE9DBC" blockId="5.[151,514,1482,1545]" box="[151,514,1482,1509]" pageId="5" pageNumber="389">
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<heading id="284FE919FF8A347958F0FA78FDEE9DBC" bold="true" box="[151,514,1482,1509]" fontSize="11" level="1" pageId="5" pageNumber="389" reason="1">
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<emphasis id="41CC8267FF8A347958F0FA78FDEE9DBC" bold="true" box="[151,514,1482,1509]" pageId="5" pageNumber="389">
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<taxonomicName id="B4B825F6FF8A347958F0FA78FE709DBC" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[151,412,1482,1509]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="5" pageNumber="389" phylum="Nematoda" rank="species" species="hamatus" status="sp. nov.">
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||
<emphasis id="41CC8267FF8A347958F0FA78FE709DBC" bold="true" box="[151,412,1482,1509]" italics="true" pageId="5" pageNumber="389">Leptolaimus hamatus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="5AFF3F1CFF8A347959C3FA79FDEE9DBC" box="[420,514,1483,1509]" pageId="5" pageNumber="389" rank="species">sp. nov.</taxonomicNameLabel>
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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="3BA20DFEFF8A347958F0FA5DFE639E50" box="[151,399,1519,1545]" pageId="5" pageNumber="389" type="description">
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<paragraph id="73075E75FF8A347958F0FA5DFE639E50" blockId="5.[151,514,1482,1545]" box="[151,399,1519,1545]" pageId="5" pageNumber="389">
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(
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<figureCitation id="EB8342F0FF8A347958F8FA5DFEC49E50" box="[159,296,1519,1545]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStartId-0="6.[151,250,1891,1915]" captionStartId-1="7.[151,250,1891,1915]" captionTargetBox-0="[247,1341,197,1851]" captionTargetBox-1="[200,1387,181,1866]" captionTargetId-0="figure-18@6.[231,1357,181,1867]" captionTargetId-1="figure-36@7.[200,1387,181,1866]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionText-0="FIGURE 3. Drawings of Leptolaimus hamatus sp. nov. (A) entire view of male holotype; (B) entire view of female paratype, showing reproductive system; (C) anterior end of male holotype, showing cephalic setae, amphidial fovea, cuticle pore and cuticle alae; (D) cloacal region of male holotype, showing spicule, gubernaculum and precloacal supplements. Scale bars: A, 20 µm; B, 30 µm; C, D 10 µm." captionText-1="FIGURE 4. Micrographs of Leptolaimus hamatus sp. nov. (A) anterior end of male holotype, showing cephalic setae, amphidial fovea and first body pore (arrow); (B) posterior region of male 2 paratype, showing tubular supplements; (C) posterior end of male holotype, showing tubular supplements, spicule and gubernaculum; (D) middle region of female paratype, showing vulva (arrow1), ovaries (arrow 2) and eggs (arrow 3). Scale bars: A, C, D 10 µm; B 20 µm." figureDoi-0="http://doi.org/10.5281/zenodo.13757773" figureDoi-1="http://doi.org/10.5281/zenodo.13757775" httpUri-0="https://zenodo.org/record/13757773/files/figure.png" httpUri-1="https://zenodo.org/record/13757775/files/figure.png" pageId="5" pageNumber="389">Figures 3–4</figureCitation>
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,
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<tableCitation id="3E3A6BCEFF8A34795954FA5DFE689E50" box="[307,388,1519,1545]" captionStart="TABLE 1" captionStartId="4.[151,239,151,175]" captionText="TABLE 1. Individual measurements of Leptolaimus gracilis sp. nov. and L. hamatus sp. nov. (in µm except a, b, c, c′ and V%) a, ratio of body length to maximum body diameter; b, ratio of body length to pharynx length; c, ratio of body length to tail length; c′, ratio of tail length to cloacal or anus body diameter; V%, position of vulva from anterior end expressed as a percentage of total body length; -, no data." pageId="5" pageNumber="389">Table 1</tableCitation>
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)
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</paragraph>
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</subSubSection>
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||
<subSubSection id="3BA20DFEFF8A347958F0F985FA989F5C" pageId="5" pageNumber="389" type="materials_examined">
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||
<paragraph id="73075E75FF8A347958F0F985FBE49EC0" blockId="5.[151,1436,1590,1905]" pageId="5" pageNumber="389">
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<emphasis id="41CC8267FF8A347958F0F985FDCC9E09" bold="true" box="[151,544,1590,1617]" pageId="5" pageNumber="389">
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||
<typeStatus id="AC03E0D7FF8A347958F0F985FEE89E08" box="[151,260,1591,1617]" pageId="5" pageNumber="389" type="holotype">Holotype</typeStatus>
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and
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<typeStatus id="AC03E0D7FF8A34795926F985FE409E08" box="[321,428,1591,1617]" pageId="5" pageNumber="389" type="paratype">paratype</typeStatus>
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material.
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</emphasis>
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||
<specimenCount id="65BE95FCFF8A34795A4FF985FD5E9E08" box="[552,690,1591,1617]" count="3" pageId="5" pageNumber="389" type="male">Three males</specimenCount>
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and
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<specimenCount id="65BE95FCFF8A34795A8CF985FC989E08" box="[747,884,1591,1617]" count="2" pageId="5" pageNumber="389" type="female">two females</specimenCount>
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||
were obtained and measured.
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<typeStatus id="AC03E0D7FF8A34795CAAF985FAD99E08" box="[1229,1333,1591,1617]" pageId="5" pageNumber="389" type="holotype">Holotype</typeStatus>
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(male 1) on slide 3800-1-2-5.
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<typeStatus id="AC03E0D7FF8A347959E3F9E9FE0A9E2C" box="[388,486,1627,1653]" pageId="5" pageNumber="389" type="paratype">Paratype</typeStatus>
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||
1 (male 2) on slide 3825-2-2-5,
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<typeStatus id="AC03E0D7FF8A34795B31F9E9FC5A9E2C" box="[854,950,1627,1653]" pageId="5" pageNumber="389" type="paratype">paratype</typeStatus>
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2 (male 3) on slide 3800-1-2-5,
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<typeStatus id="AC03E0D7FF8A34795D41F9E9FA6A9E2C" box="[1318,1414,1627,1653]" pageId="5" pageNumber="389" type="paratype">paratype</typeStatus>
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3 (female 1) on slide 3800-1-2-5, and
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<typeStatus id="AC03E0D7FF8A34795A4BF9CDFD609EC0" box="[556,652,1663,1689]" pageId="5" pageNumber="389" type="paratype">paratype</typeStatus>
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4 (female 2) on slide 3800-1-2-5.
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</paragraph>
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||
<paragraph id="73075E75FF8A347958A0F911FA989F5C" blockId="5.[151,1436,1590,1905]" pageId="5" pageNumber="389">
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||
<emphasis id="41CC8267FF8A347958A0F911FDEC9EE5" bold="true" box="[199,512,1698,1725]" pageId="5" pageNumber="389">Type locality and habitat.</emphasis>
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<typeStatus id="AC03E0D7FF8A34795A6DF911FD9E9EE4" box="[522,626,1699,1725]" pageId="5" pageNumber="389" type="holotype">Holotype</typeStatus>
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and most
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<typeStatus id="AC03E0D7FF8A34795A88F911FCB69EE4" box="[751,858,1699,1725]" pageId="5" pageNumber="389" type="paratype">paratypes</typeStatus>
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were collected from sea floor muddy sediment at Station 3800-1 (
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<geoCoordinate id="168C38B2FF8A34795936F97AFE419EB8" box="[337,429,1735,1763]" degrees="38" direction="north" minutes="0" orientation="latitude" pageId="5" pageNumber="389" precision="925" value="38.0">38°0′ N</geoCoordinate>
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,
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<geoCoordinate id="168C38B2FF8A347959DCF97AFDC39EB8" box="[443,559,1735,1763]" degrees="122" direction="east" minutes="30" orientation="longitude" pageId="5" pageNumber="389" precision="925" value="122.5">122°30′ E</geoCoordinate>
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, water depth
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<quantity id="B440F390FF8A34795AABF975FCE49EB8" box="[716,776,1735,1761]" metricMagnitude="1" metricUnit="m" metricValue="4.6" pageId="5" pageNumber="389" unit="m" value="46.0">46 m</quantity>
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) in the Yellow Sea, and
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<specimenCount id="65BE95FCFF8A34795C40F975FB559EB8" box="[1063,1209,1735,1761]" count="1" pageId="5" pageNumber="389" type="generic" typeStatus="paratype">one paratype</specimenCount>
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was collected from subtidal muddy sediment at Station 3825-2 (
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<geoCoordinate id="168C38B2FF8A34795AEFF95EFD1C9F5C" box="[648,752,1771,1799]" degrees="38" direction="north" minutes="25" orientation="latitude" pageId="5" pageNumber="389" precision="925" value="38.416668">38°25′ N</geoCoordinate>
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,
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<geoCoordinate id="168C38B2FF8A34795A9BF95EFC819F5C" box="[764,877,1771,1799]" degrees="122" direction="east" minutes="30" orientation="longitude" pageId="5" pageNumber="389" precision="925" value="122.5">122°30′ E</geoCoordinate>
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, water depth
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<quantity id="B440F390FF8A34795C64F958FBD19F5C" box="[1027,1085,1770,1797]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="389" unit="m" value="50.0">50 m</quantity>
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) in the Yellow Sea in 2008.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="3BA20DFEFF8A347958A0F8BDFE889F14" pageId="5" pageNumber="389" type="etymology">
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||
<paragraph id="73075E75FF8A347958A0F8BDFE889F14" blockId="5.[151,1436,1590,1905]" pageId="5" pageNumber="389">
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<emphasis id="41CC8267FF8A347958A0F8BDFEA29F70" bold="true" box="[199,334,1807,1833]" pageId="5" pageNumber="389">Etymology.</emphasis>
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The species epithet comes from the Latin word
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<taxonomicName id="B4B825F6FF8A34795B0DF8BDFC259F70" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[874,969,1807,1833]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="5" pageNumber="389" phylum="Nematoda" rank="species" species="hamatus">
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<emphasis id="41CC8267FF8A34795B0DF8BDFC259F70" box="[874,969,1807,1833]" italics="true" pageId="5" pageNumber="389">hamatus</emphasis>
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</taxonomicName>
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, referring to procloacal supplements with hooked distal end.
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</paragraph>
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</subSubSection>
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<subSubSection id="3BA20DFEFF8A347458A0F8E5FC649CB0" lastPageId="8" lastPageNumber="392" pageId="5" pageNumber="389" type="description">
|
||
<paragraph id="73075E75FF8A347958A0F8E5FC889F28" blockId="5.[151,1436,1590,1905]" box="[199,868,1879,1905]" pageId="5" pageNumber="389">
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<emphasis id="41CC8267FF8A347958A0F8E5FE929F28" bold="true" box="[199,382,1879,1905]" pageId="5" pageNumber="389">Measurements.</emphasis>
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All measurement data are given in
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<tableCitation id="3E3A6BCEFF8A34795B6DF8E5FCB29F28" box="[778,862,1879,1905]" captionStart="TABLE 1" captionStartId="4.[151,239,151,175]" captionText="TABLE 1. Individual measurements of Leptolaimus gracilis sp. nov. and L. hamatus sp. nov. (in µm except a, b, c, c′ and V%) a, ratio of body length to maximum body diameter; b, ratio of body length to pharynx length; c, ratio of body length to tail length; c′, ratio of tail length to cloacal or anus body diameter; V%, position of vulva from anterior end expressed as a percentage of total body length; -, no data." pageId="5" pageNumber="389">Table 1</tableCitation>
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.
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</paragraph>
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||
<caption id="27C70EFDFF89347A58F0F8D1FE5F9FB1" ID-DOI="http://doi.org/10.5281/zenodo.13757773" ID-Zenodo-Dep="13757773" httpUri="https://zenodo.org/record/13757773/files/figure.png" pageId="6" pageNumber="390" startId="6.[151,250,1891,1915]" targetBox="[247,1341,197,1851]" targetPageId="6" targetType="figure">
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<paragraph id="73075E75FF89347A58F0F8D1FE5F9FB1" blockId="6.[151,1437,1891,2024]" pageId="6" pageNumber="390">
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||
<emphasis id="41CC8267FF89347A58F0F8D1FEFF9F22" bold="true" box="[151,275,1891,1915]" pageId="6" pageNumber="390">FIGURE 3.</emphasis>
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Drawings of
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<taxonomicName id="B4B825F6FF89347A59C7F8D1FD969F22" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[416,634,1891,1915]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="6" pageNumber="390" phylum="Nematoda" rank="species" species="hamatus" status="sp. nov.">
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||
<emphasis id="41CC8267FF89347A59C7F8D1FD969F22" box="[416,634,1891,1915]" italics="true" pageId="6" pageNumber="390">Leptolaimus hamatus</emphasis>
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||
</taxonomicName>
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||
<emphasis id="41CC8267FF89347A5AE7F8D6FD3D9F25" bold="true" box="[640,721,1892,1916]" pageId="6" pageNumber="390">
|
||
<taxonomicNameLabel id="5AFF3F1CFF89347A5AE7F8D6FD3D9F25" box="[640,721,1892,1916]" pageId="6" pageNumber="390" rank="species">sp. nov.</taxonomicNameLabel>
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||
</emphasis>
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||
(A) entire view of male holotype; (B) entire view of female paratype, showing reproductive system; (C) anterior end of male holotype, showing cephalic setae, amphidial fovea, cuticle pore and cuticle alae; (D) cloacal region of male holotype, showing spicule, gubernaculum and precloacal supplements. Scale bars: A, 20 µm; B, 30 µm; C, D 10 µm.
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</paragraph>
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</caption>
|
||
<caption id="27C70EFDFF88347B58F0F8D1FC199FB1" ID-DOI="http://doi.org/10.5281/zenodo.13757775" ID-Zenodo-Dep="13757775" httpUri="https://zenodo.org/record/13757775/files/figure.png" pageId="7" pageNumber="391" startId="7.[151,250,1891,1915]" targetBox="[200,1387,181,1866]" targetPageId="7" targetType="figure">
|
||
<paragraph id="73075E75FF88347B58F0F8D1FC199FB1" blockId="7.[151,1436,1891,2024]" pageId="7" pageNumber="391">
|
||
<emphasis id="41CC8267FF88347B58F0F8D1FEE09F22" bold="true" box="[151,268,1891,1915]" pageId="7" pageNumber="391">FIGURE 4</emphasis>
|
||
. Micrographs of
|
||
<taxonomicName id="B4B825F6FF88347B59DFF8D1FD7C9F22" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[440,656,1891,1915]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="7" pageNumber="391" phylum="Nematoda" rank="species" species="hamatus" status="sp. nov.">
|
||
<emphasis id="41CC8267FF88347B59DFF8D1FD7C9F22" box="[440,656,1891,1915]" italics="true" pageId="7" pageNumber="391">Leptolaimus hamatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="41CC8267FF88347B5AF2F8D1FD089F22" bold="true" box="[661,740,1891,1915]" pageId="7" pageNumber="391">
|
||
<taxonomicNameLabel id="5AFF3F1CFF88347B5AF2F8D1FD089F22" box="[661,740,1891,1915]" pageId="7" pageNumber="391" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(A) anterior end of male holotype, showing cephalic setae, amphidial fovea and first body pore (arrow); (B) posterior region of male 2 paratype, showing tubular supplements; (C) posterior end of male holotype, showing tubular supplements, spicule and gubernaculum; (D) middle region of female paratype, showing vulva (arrow1), ovaries (arrow 2) and eggs (arrow 3). Scale bars: A, C, D 10 µm; B 20 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="73075E75FF87347458F0FF25FEDF98E8" blockId="8.[151,307,151,177]" box="[151,307,151,177]" pageId="8" pageNumber="392">
|
||
<emphasis id="41CC8267FF87347458F0FF25FEDF98E8" bold="true" box="[151,307,151,177]" pageId="8" pageNumber="392">Descriptions</emphasis>
|
||
</paragraph>
|
||
<paragraph id="73075E75FF87347458F0FF6DFF3398A0" blockId="8.[151,1437,223,1006]" box="[151,223,223,249]" pageId="8" pageNumber="392">
|
||
<emphasis id="41CC8267FF87347458F0FF6DFF3398A0" bold="true" box="[151,223,223,249]" pageId="8" pageNumber="392">Males</emphasis>
|
||
</paragraph>
|
||
<paragraph id="73075E75FF87347458F0FEB1FEFC9A94" blockId="8.[151,1437,223,1006]" pageId="8" pageNumber="392">Body slender, tapering anteriorly in pharyngeal region and posteriorly on tail. Cuticle annulated, annuli about 2.0 µm wide at mid-body, without ornamentation. Lateral field present, consists of single alae (two incisures), 3 µm wide at mid-body; originating from anterior third of pharyngeal length, and extending posteriorly to the middle of tail. Numerous body pores present with short and stout setae in sublateral position at both sides of lateral field, and scattered over the body from the pharynx to the proximal part of tail. The first body pore located 22–26 µm from anterior end. Labial region rounded, offset from body contour by a constriction. Inner and outer labial sensilla indistinct. Cephalic setae short, 2–2.5 µm long. Subcephalic sensilla and ocelli absent. Amphidial fovea round, located at level of just post-mid of stoma. Nerve ring surrounding pharynx at level of pre-mid of pharynx, about 40% pharyngeal length from anterior end of the body. Secretory-excretory system not seen. Buccal cavity uniformly tubular. Pharynx cylindrical, with distinct oval basal bulb. Cardia cylindrical. Tail conico-cylindrical with a slightly swollen tip. A pair of precloacal subventral setae 3–4 µm long, 5 µm anterior to cloaca. Two to three pairs of subventral and two pairs of sundorsal caudal setae 3–4 µm long. Three caudal glands present. Spinneret functional.</paragraph>
|
||
<paragraph id="73075E75FF87347458A0FD65FECB9BB7" blockId="8.[151,1437,223,1006]" pageId="8" pageNumber="392">Reproductive system diorchic; anterior testis outstretched, posterior one reflexed. Spicules paired, knife-like, with broad proximal half part and narrow curved distal half part. Gubernaculum plate-like, with a straight dorsal apophysis. Accessory apparatus composed of one midventral precloacal papilliform sensillum located on anterior cloacal lip, six midventral tubular supplements extending for 120–130 µm from cloaca towards anterior end; alveolar supplements absent. Tubular supplements slightly curved, rounded proximal ends and hooked distal ends, 11–14 µm long, weakly S-shaped. Posteriormost tubular supplement 21 µm anterior to cloaca, anterior to spicules, the space between adjacent supplements increasing from the posteriormost supplement to the anteriormost one, varying from 13 to 23 µm.</paragraph>
|
||
<paragraph id="73075E75FF87347458F0FBA9FF159C6C" blockId="8.[151,1437,1051,2014]" box="[151,249,1051,1077]" pageId="8" pageNumber="392">
|
||
<emphasis id="41CC8267FF87347458F0FBA9FF159C6C" bold="true" box="[151,249,1051,1077]" pageId="8" pageNumber="392">Females</emphasis>
|
||
</paragraph>
|
||
<paragraph id="73075E75FF87347458F0FB8DFC649CB0" blockId="8.[151,1437,1051,2014]" pageId="8" pageNumber="392">Similar to males in most morphological characters, except tail longer (c′> 7.5) without setae, and supplements absent. Reproductive system didelphic, with two opposed, reflexed ovaries, the anterior ovary located to the right side of the intestine, and the posterior one located to the left side of the intestine. Oviduct a narrow tube. Spermathecae indistinct. Vagina straight, 0.3 times vulval body diameter long. Vulva right ventrosublateral, located in the middle of the body, 48–50% of the total body length from the anterior end.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="3BA20DFEFF87347458A0FB41FF399D98" pageId="8" pageNumber="392" type="diagnosis">
|
||
<paragraph id="73075E75FF87347458A0FB41FF399D98" blockId="8.[151,1437,1051,2014]" pageId="8" pageNumber="392">
|
||
<emphasis id="41CC8267FF87347458A0FB41FEAE9D54" bold="true" box="[199,322,1267,1293]" pageId="8" pageNumber="392">Diagnosis.</emphasis>
|
||
<taxonomicName id="B4B825F6FF873474592DFB41FDD19D54" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[330,573,1267,1293]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="hamatus" status="sp. nov.">
|
||
<emphasis id="41CC8267FF873474592DFB41FDD19D54" box="[330,573,1267,1293]" italics="true" pageId="8" pageNumber="392">Leptolaimus hamatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="41CC8267FF8734745A21FB41FD4E9D54" bold="true" box="[582,674,1267,1293]" pageId="8" pageNumber="392">
|
||
<taxonomicNameLabel id="5AFF3F1CFF8734745A21FB41FD4E9D54" box="[582,674,1267,1293]" pageId="8" pageNumber="392" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is characterized by body 624–690 µm long; rounded labial region offset from body contour; cephalic setae 2–3 µm long; amphidial fovea located 12–13 µm from anterior end; first body pore located 22–26 µm from anterior end; males with six tubular and without alveolar supplements, tubular supplements hooked distally; spicules slightly curved, knife-like and 22–24 µm long; gubernaculum with a straight dorsal apophysis; tail conico-cylindrical; females without supplements, vulva situated at right subventral side of body.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="3BA20DFEFF87347558A0FA79FB8099D0" lastPageId="9" lastPageNumber="393" pageId="8" pageNumber="392" type="discussion">
|
||
<paragraph id="73075E75FF87347558A0FA79FB8099D0" blockId="8.[151,1437,1051,2014]" lastBlockId="9.[151,1437,150,393]" lastPageId="9" lastPageNumber="393" pageId="8" pageNumber="392">
|
||
<emphasis id="41CC8267FF87347458A0FA79FED79DBC" bold="true" box="[199,315,1483,1509]" pageId="8" pageNumber="392">Remarks.</emphasis>
|
||
<taxonomicName id="B4B825F6FF8734745925FA79FDDF9DBC" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[322,563,1483,1509]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="hamatus" status="sp. nov.">
|
||
<emphasis id="41CC8267FF8734745925FA79FDDF9DBC" box="[322,563,1483,1509]" italics="true" pageId="8" pageNumber="392">Leptolaimus hamatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="41CC8267FF8734745A5EFA79FD7F9DBC" bold="true" box="[569,659,1483,1509]" pageId="8" pageNumber="392">
|
||
<taxonomicNameLabel id="5AFF3F1CFF8734745A5EFA79FD7F9DBC" box="[569,659,1483,1509]" pageId="8" pageNumber="392" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is similar to
|
||
<taxonomicName id="B4B825F6FF8734745B42FA7EFB1F9DBC" authority="Holovachov & Bostrom, 2013" authorityName="Holovachov & Bostrom" authorityYear="2013" box="[805,1267,1483,1510]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="octavus">
|
||
<emphasis id="41CC8267FF8734745B42FA7EFC759DBC" box="[805,921,1484,1509]" italics="true" pageId="8" pageNumber="392">L. octavus</emphasis>
|
||
Holovachov & Boström, 2013
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B4B825F6FF8734745D4EFA7EFCA09E53" authority="(Schuurmans-Stekhoven & De Coninck, 1933) Gerlach, 1958" authorityName="Gerlach" authorityYear="1958" baseAuthorityName="Schuurmans-Stekhoven & De Coninck" baseAuthorityYear="1933" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="elegans">
|
||
<emphasis id="41CC8267FF8734745D4EFA7EFA719DBC" box="[1321,1437,1483,1509]" italics="true" pageId="8" pageNumber="392">L. elegans</emphasis>
|
||
(Schuurmans-Stekhoven & De Coninck, 1933) Gerlach,
|
||
<quantity id="B440F390FF8734745B73FA5DFCA09E53" box="[788,844,1519,1546]" metricMagnitude="1" metricUnit="m" metricValue="4.973319999999999" pageId="8" pageNumber="392" unit="in" value="1958.0">1958</quantity>
|
||
</taxonomicName>
|
||
in tubular supplements weakly S-shaped, but differs from
|
||
<taxonomicName id="B4B825F6FF87347458B2F9A6FEA59E74" authorityName="Holovachov & Bostrom" authorityYear="2013" box="[213,329,1556,1581]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="octavus">
|
||
<emphasis id="41CC8267FF87347458B2F9A6FEA59E74" box="[213,329,1556,1581]" italics="true" pageId="8" pageNumber="392">L. octavus</emphasis>
|
||
</taxonomicName>
|
||
by supplements hooked distally (
|
||
<emphasis id="41CC8267FF8734745AA2F9A6FD309E74" box="[709,732,1556,1581]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
strongly cuticularized distally with dentate tips in
|
||
<taxonomicName id="B4B825F6FF8734745D7FF9A6FA609E74" authorityName="Holovachov & Bostrom" authorityYear="2013" box="[1304,1420,1556,1581]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="octavus">
|
||
<emphasis id="41CC8267FF8734745D7FF9A6FA609E74" box="[1304,1420,1556,1581]" italics="true" pageId="8" pageNumber="392">L. octavus</emphasis>
|
||
</taxonomicName>
|
||
), spicules knife-like (
|
||
<emphasis id="41CC8267FF873474591FF98AFE639E08" box="[376,399,1592,1617]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
slender), vulva right-subventral (
|
||
<emphasis id="41CC8267FF8734745B6CF98AFCCE9E08" box="[779,802,1592,1617]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
midventral). Additionally
|
||
<taxonomicName id="B4B825F6FF8734745C37F98AFB299E08" authorityName="Holovachov & Bostrom" authorityYear="2013" box="[1104,1221,1592,1617]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="octavus">
|
||
<emphasis id="41CC8267FF8734745C37F98AFB299E08" box="[1104,1221,1592,1617]" italics="true" pageId="8" pageNumber="392">L. octavus</emphasis>
|
||
</taxonomicName>
|
||
is the only species within
|
||
<taxonomicName id="B4B825F6FF8734745880F9E9FE9D9E2C" authorityName="de Man" authorityYear="1876" box="[231,369,1627,1653]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="genus">
|
||
<emphasis id="41CC8267FF8734745880F9E9FE9D9E2C" box="[231,369,1627,1653]" italics="true" pageId="8" pageNumber="392">Leptolaimus</emphasis>
|
||
</taxonomicName>
|
||
in having a bursa-like expansion of the lateral field along the proximal part of the tail of both females and males. The new species differs from
|
||
<taxonomicName id="B4B825F6FF8734745AAEF932FCD29EC0" authorityName="Gerlach" authorityYear="1958" baseAuthorityName="Schuurmans-Stekhoven & De Coninck" baseAuthorityYear="1933" box="[713,830,1663,1689]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="elegans">
|
||
<emphasis id="41CC8267FF8734745AAEF932FCD29EC0" box="[713,830,1663,1689]" italics="true" pageId="8" pageNumber="392">L. elegans</emphasis>
|
||
</taxonomicName>
|
||
by different shape of supplements (hook-like distally with point tips
|
||
<emphasis id="41CC8267FF873474592AF916FE889EE4" box="[333,356,1700,1725]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
knot-like distally with dentate tips), and different shape of gubernaculum (plate-like with a straight dorsal apophysis
|
||
<emphasis id="41CC8267FF87347459A6F97AFE349EB8" box="[449,472,1736,1761]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
triangular with a pointed dorsal apophysis). The new species is also similar to
|
||
<taxonomicName id="B4B825F6FF8734745DE1F97AFE399F5C" authority="Platt, 1973" authorityName="Platt" authorityYear="1973" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="septempapillatus">
|
||
<emphasis id="41CC8267FF8734745DE1F97AFEB99F5C" italics="true" pageId="8" pageNumber="392">L. septempapillatus</emphasis>
|
||
<bibRefCitation id="17292384FF873474593BF959FE399F5C" author="Platt, H. M." box="[348,469,1771,1797]" pageId="8" pageNumber="392" pagination="295 - 321" refId="ref5328" refString="Platt, H. M. (1973) Freeliving marine nematodes from Strangford Lough, Northern Ireland. Cahiers de Biologie Marine, 14 (3), 295 - 321." type="journal article" year="1973">
|
||
Platt,
|
||
<quantity id="B440F390FF87347459FAF959FE399F5C" box="[413,469,1771,1797]" metricMagnitude="1" metricUnit="m" metricValue="5.011419999999999" pageId="8" pageNumber="392" unit="in" value="1973.0">1973</quantity>
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
in having knife-like spicules and similar number of tubular supplements, but it differs from
|
||
<taxonomicName id="B4B825F6FF87347458B0F8A2FE599F70" authorityName="Platt" authorityYear="1973" box="[215,437,1807,1833]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="septempapillatus">
|
||
<emphasis id="41CC8267FF87347458B0F8A2FE599F70" box="[215,437,1807,1833]" italics="true" pageId="8" pageNumber="392">L. septempapillatus</emphasis>
|
||
</taxonomicName>
|
||
by supplements hook-like distally without cuticular collars around their distal ends (
|
||
<emphasis id="41CC8267FF8734745DE2F8A2FA709F70" box="[1413,1436,1808,1833]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
knot-like distally with dentate tips and with cuticular collars around their distal ends), and vulva right ventrosublateral (
|
||
<emphasis id="41CC8267FF87347458C6F8EAFF549F28" box="[161,184,1880,1905]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
midventral in the latter species). The new species is also similar to
|
||
<taxonomicName id="B4B825F6FF8734745BD3F8EAFA709F28" authority="Villares & Pastor de Ward, 2012" authorityName="Villares & Pastor de Ward" authorityYear="2012" box="[948,1436,1879,1906]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="gabinoi">
|
||
<emphasis id="41CC8267FF8734745BD3F8EAFBC49F28" box="[948,1064,1879,1905]" italics="true" pageId="8" pageNumber="392">L. gabinoi</emphasis>
|
||
Villares & Pastor de Ward, 2012
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B4B825F6FF87347458AFF8CEFE109FCC" authority="de Man, 1876" authorityName="de Man" authorityYear="1876" box="[200,508,1915,1942]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="papilliger">
|
||
<emphasis id="41CC8267FF87347458AFF8CEFEB99FCC" box="[200,341,1915,1941]" italics="true" pageId="8" pageNumber="392">L. papilliger</emphasis>
|
||
de Man,
|
||
<quantity id="B440F390FF87347459A3F8C9FE109FCC" box="[452,508,1915,1941]" metricMagnitude="1" metricUnit="m" metricValue="4.76504" pageId="8" pageNumber="392" unit="in" value="1876.0">1876</quantity>
|
||
</taxonomicName>
|
||
in having tips of supplements hook-like, but it differs from
|
||
<taxonomicName id="B4B825F6FF8734745CCAF8CEFACE9FCC" authorityName="Villares & Pastor de Ward" authorityYear="2012" box="[1197,1314,1915,1941]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="gabinoi">
|
||
<emphasis id="41CC8267FF8734745CCAF8CEFACE9FCC" box="[1197,1314,1915,1941]" italics="true" pageId="8" pageNumber="392">L. gabinoi</emphasis>
|
||
</taxonomicName>
|
||
by shorter cephalic setae (2–3 µm
|
||
<emphasis id="41CC8267FF87347459CAF812FE289FE0" box="[429,452,1952,1977]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
5–6 µm long) and more numerous tubular precloacal supplements (6
|
||
<emphasis id="41CC8267FF8734745C97F812FAEB9FE0" box="[1264,1287,1952,1977]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
3); it differs from
|
||
<taxonomicName id="B4B825F6FF87347458B1F876FE8F9F84" authorityName="de Man" authorityYear="1876" box="[214,355,1987,2013]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="8" pageNumber="392" phylum="Nematoda" rank="species" species="papilliger">
|
||
<emphasis id="41CC8267FF87347458B1F876FE8F9F84" box="[214,355,1987,2013]" italics="true" pageId="8" pageNumber="392">L. papilliger</emphasis>
|
||
</taxonomicName>
|
||
by setiform cephalic setae (
|
||
<emphasis id="41CC8267FF8734745AC1F876FD519F84" box="[678,701,1988,2013]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
papilliform cephalic setae) and lack of alveolar supplements (
|
||
<emphasis id="41CC8267FF8734745DE2F876FA709F84" box="[1413,1436,1988,2013]" italics="true" pageId="8" pageNumber="392">vs</emphasis>
|
||
presence of 12–15 alveolar supplements in
|
||
<taxonomicName id="B4B825F6FF8634755A18FF25FCE798E8" authorityName="de Man" authorityYear="1876" box="[639,779,151,177]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="9" pageNumber="393" phylum="Nematoda" rank="species" species="papilliger">
|
||
<emphasis id="41CC8267FF8634755A18FF25FCE798E8" box="[639,779,151,177]" italics="true" pageId="9" pageNumber="393">L. papilliger</emphasis>
|
||
</taxonomicName>
|
||
). The new species furthermore differs from
|
||
<taxonomicName id="B4B825F6FF8634755D67FF25FA9898E8" authorityName="Gu & Sun & Huang" authorityYear="2024" box="[1280,1396,151,177]" class="Chromadorea" family="Leptolaimidae" genus="Leptolaimus" kingdom="Animalia" order="Plectida" pageId="9" pageNumber="393" phylum="Nematoda" rank="species" species="gracilis" status="sp. nov.">
|
||
<emphasis id="41CC8267FF8634755D67FF25FA9898E8" box="[1280,1396,151,177]" italics="true" pageId="9" pageNumber="393">L. gracilis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="41CC8267FF8634755D1CFF25FF24988C" bold="true" pageId="9" pageNumber="393">
|
||
<taxonomicNameLabel id="5AFF3F1CFF8634755D1CFF25FF24988C" pageId="9" pageNumber="393" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
by shorter cephalic setae (2-3 µm
|
||
<emphasis id="41CC8267FF8634755A29FF09FD89988D" box="[590,613,187,212]" italics="true" pageId="9" pageNumber="393">vs</emphasis>
|
||
5–6 µm long), conico-cylindrical tail (
|
||
<emphasis id="41CC8267FF8634755C7BFF09FBDF988D" box="[1052,1075,187,212]" italics="true" pageId="9" pageNumber="393">vs</emphasis>
|
||
elongated conical tail), spicules knife-like, and six weakly S-shaped precloacal supplements with hooked distal ends (
|
||
<emphasis id="41CC8267FF8634755C02FF6DFB9098A1" box="[1125,1148,223,248]" italics="true" pageId="9" pageNumber="393">vs</emphasis>
|
||
shorter arcuated spicules and eight sickle-shaped supplements). The new species distinguishes from other known species by combination of characters of cephalic setae 2–3 µm long, males with six tubular precloacal supplements with hooked distal ends, without alveolar supplement, spicules knife-like, 22–24 µm long, gubernaculum with a straight dorso-caudal apophysis, females without supplements, vulva right subventral, tail conico-cylindrical.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |