154 lines
17 KiB
XML
154 lines
17 KiB
XML
<document id="79F964F2DD2F354F8302576F60B3D750" ID-CLB-Dataset="223185" ID-DOI="10.5852/ejt.2023.856.2025" ID-GBIF-Dataset="f565e591-f14b-437d-9a18-071194a6a53e" ID-ISSN="2118-9773" ID-Zenodo-Dep="7522913" ID-ZooBank="1EF03A88-7A30-4CAB-822C-9911BCF38601" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1673382490844" checkinUser="felipe" docAuthor="Leduc, Daniel" docDate="2023" docId="674787D8AE04FF80FDF7F9B0834F7222" docLanguage="en" docName="ejt-856_1-45.pdf" docOrigin="European Journal of Taxonomy 856" docSource="http://dx.doi.org/10.5852/ejt.2023.856.2025" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Deraionema Leduc 2023, gen. nov." docType="treatment" docUuid="BF025843-A358-490E-8C22-0CA5B967BF79" docUuidSource="ZooBank" docVersion="9" lastPageNumber="23" masterDocId="9B7EFFA0AE11FF96FF9AFFE580177613" masterDocTitle="New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand" masterLastPageNumber="45" masterPageNumber="1" pageNumber="22" updateTime="1699473743820" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="04AB0F6F9F6D6EA8C7550DAE7E3198F2">New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand</mods:title>
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<mods:namePart id="2ADB8532CF714365F63196B60320FEB6">Leduc, Daniel</mods:namePart>
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<mods:affiliation id="1814FAD9D9A2311C8BF347807F0D4CEE">National Institute of Water and Atmospheric Research, Wellington, 14 - 901, New Zealand.</mods:affiliation>
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<mods:nameIdentifier id="D8CB921F6072F1C2C284DA6C5F9FD6C5" type="email">daniel.leduc@niwa.co.nz</mods:nameIdentifier>
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<mods:title id="E23A801A8B65898C0733DA2C3E8B8D03">European Journal of Taxonomy</mods:title>
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<mods:part id="918659BA74F7D8B7DBFB58939F027C7C">
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<mods:date id="33F92FAC5A6DBF30C672D021F04F76D4">2023</mods:date>
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<mods:number id="339015F584D54914F0FB28D85E3CA7E3">2023-01-10</mods:number>
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<mods:url id="7A0C60E225A0A762232C742760BA7685">http://dx.doi.org/10.5852/ejt.2023.856.2025</mods:url>
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<mods:classification id="B109A0A6C5AE0F7968F144B85002DD4C">journal article</mods:classification>
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<mods:identifier id="1181A870834847AD9EDD51E3CB383FEA" type="DOI">10.5852/ejt.2023.856.2025</mods:identifier>
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<treatment id="674787D8AE04FF80FDF7F9B0834F7222" ID-DOI="http://doi.org/10.5281/zenodo.7522784" ID-GBIF-Taxon="208789731" ID-Zenodo-Dep="7522784" LSID="urn:lsid:zoobank.org:act:BF025843-A358-490E-8C22-0CA5B967BF79" httpUri="http://treatment.plazi.org/id/674787D8AE04FF80FDF7F9B0834F7222" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
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<subSubSection id="A7F46545AE04FF83FDF7F9B083D0707C" box="[621,967,1621,1647]" pageId="21" pageNumber="22" type="nomenclature">
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<paragraph id="EF5136CEAE04FF83FDF7F9B083D0707C" blockId="21.[371,1217,1621,1683]" box="[621,967,1621,1647]" pageId="21" pageNumber="22">
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<heading id="B41981A2AE04FF83FDF7F9B083D0707C" box="[621,967,1621,1647]" centered="true" fontSize="11" level="2" pageId="21" pageNumber="22" reason="2">
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Genus
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<taxonomicName id="28EE4D4DAE04FF83FD25F9B08342707C" authority="Leduc, 2023" authorityName="Leduc" authorityYear="2023" box="[703,853,1621,1647]" class="Adenophorea" family="Xyalidae" genus="Deraionema" kingdom="Animalia" order="Monhysterida" pageId="21" pageNumber="22" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="DD9AEADCAE04FF83FD25F9B08342707C" bold="true" box="[703,853,1621,1647]" italics="true" pageId="21" pageNumber="22">Deraionema</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C6A957A7AE04FF83FCC6F9B083D0707C" box="[860,967,1621,1647]" pageId="21" pageNumber="22" rank="genus">gen. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="A7F46545AE04FF83FEE9F99D84D67080" box="[371,1217,1656,1683]" pageId="21" pageNumber="22" type="description">
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<paragraph id="EF5136CEAE04FF83FEE9F99D84D67080" blockId="21.[371,1217,1621,1683]" box="[371,1217,1656,1683]" pageId="21" pageNumber="22">
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<uri id="9B7F3ACCAE04FF83FEE9F99D84D67080" box="[371,1217,1656,1683]" pageId="21" pageNumber="22">
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urn:lsid:zoobank.org:act:
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<uuid id="9B480C1BAE04FF83FD0BF99D84D67080" box="[657,1217,1656,1683]" pageId="21" pageNumber="22">BF025843-A358-490E-8C22-0CA5B967BF79</uuid>
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</uri>
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</paragraph>
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</subSubSection>
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<subSubSection id="A7F46545AE04FF83FF27F95C82967111" pageId="21" pageNumber="22" type="type_taxon">
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<paragraph id="EF5136CEAE04FF83FF27F95C814F70C0" blockId="21.[189,344,1721,1747]" box="[189,344,1721,1747]" pageId="21" pageNumber="22">
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<heading id="B41981A2AE04FF83FF27F95C814F70C0" bold="true" box="[189,344,1721,1747]" fontSize="11" level="3" pageId="21" pageNumber="22" reason="3">
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<emphasis id="DD9AEADCAE04FF83FF27F95C814F70C0" bold="true" box="[189,344,1721,1747]" pageId="21" pageNumber="22">
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<typeStatus id="3055886CAE04FF83FF27F95C80ED70C0" box="[189,250,1721,1747]" pageId="21" pageNumber="22">Type</typeStatus>
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species
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="EF5136CEAE04FF83FF27F90C82967111" blockId="21.[189,641,1768,1794]" box="[189,641,1768,1794]" pageId="21" pageNumber="22">
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<taxonomicName id="28EE4D4DAE04FF83FF27F90C81DE7111" authority="Leduc, 2023" authorityName="Leduc" authorityYear="2023" box="[189,457,1768,1794]" class="Adenophorea" family="Xyalidae" genus="Deraionema" kingdom="Animalia" order="Monhysterida" pageId="21" pageNumber="22" phylum="Nematoda" rank="species" species="barbatum" status="gen. et sp. nov.">
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<emphasis id="DD9AEADCAE04FF83FF27F90C81DE7111" box="[189,457,1768,1794]" italics="true" pageId="21" pageNumber="22">Deraionema barbatum</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C6A957A7AE04FF83FE4AF90D82967111" box="[464,641,1768,1794]" pageId="21" pageNumber="22" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="A7F46545AE04FF80FF27F8CC8371758D" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="diagnosis">
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<paragraph id="EF5136CEAE04FF83FF27F8CC81217150" blockId="21.[189,310,1833,1859]" box="[189,310,1833,1859]" pageId="21" pageNumber="22">
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<heading id="B41981A2AE04FF83FF27F8CC81217150" bold="true" box="[189,310,1833,1859]" fontSize="11" level="3" pageId="21" pageNumber="22" reason="3">
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<emphasis id="DD9AEADCAE04FF83FF27F8CC81217150" bold="true" box="[189,310,1833,1859]" pageId="21" pageNumber="22">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="EF5136CEAE04FF80FF27F8BD84297754" blockId="21.[189,1400,1880,2012]" lastBlockId="22.[189,1398,265,327]" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">Cuticle finely striated; sixteen longitudinal rows of subcephalic setae posterior to amphids; sexual dimorphism in amphid shape: in males, amphideal fovea and aperture form a single, narrow band (or ‘collar’) around the entire circumference of the cephalic region, presumably resulting from the fusion of the left and right amphids, in females, amphids are transversely oval with faint outline; large conical buccal cavity; male reproductive system with two opposed testes; spicules slender and elongated; gubernaculum without apophyses; conicocylindrical tail with terminal setae.</paragraph>
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<paragraph id="EF5136CEAE07FF80FF27FE8881DE7794" blockId="22.[189,457,365,391]" box="[189,457,365,391]" pageId="22" pageNumber="23">
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<heading id="B41981A2AE07FF80FF27FE8881DE7794" bold="true" box="[189,457,365,391]" fontSize="11" level="3" pageId="22" pageNumber="23" reason="3">
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<emphasis id="DD9AEADCAE07FF80FF27FE8881DE7794" bold="true" box="[189,457,365,391]" pageId="22" pageNumber="23">Differential diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="EF5136CEAE07FF80FF27FE79856F74C3" blockId="22.[187,1400,412,720]" pageId="22" pageNumber="23">
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The new genus differs from all other genera within the
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<taxonomicName id="28EE4D4DAE07FF80FCD8FE7983BA77A5" authorityName="Chitwood" authorityYear="1951" box="[834,941,412,438]" class="Adenophorea" family="Xyalidae" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="family">Xyalidae</taxonomicName>
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, and indeed all genera within the entire phylum Nematoda, in having males with a single annular amphideal fovea and aperture surrounding the entire circumference of the cephalic region. Within the
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<taxonomicName id="28EE4D4DAE07FF80FCAEFE07838877EF" authorityName="Chitwood" authorityYear="1951" box="[820,927,482,508]" class="Adenophorea" family="Xyalidae" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="family">Xyalidae</taxonomicName>
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, amphids are most commonly rounded or oval-shaped, or can be spindle-shaped (
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<taxonomicName id="28EE4D4DAE07FF80FDE6FDE383987433" authority="Cobb, 1920" authorityName="Cobb" authorityYear="1920" box="[636,911,518,544]" class="Adenophorea" family="Monhysteridae" genus="Xenolaimus" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus">
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<emphasis id="DD9AEADCAE07FF80FDE6FDE383137433" box="[636,772,518,544]" italics="true" pageId="22" pageNumber="23">Xenolaimus</emphasis>
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Cobb, 1920
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</taxonomicName>
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) or indistinct (e.g.,
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<taxonomicName id="28EE4D4DAE07FF80FBF2FDE380EE7450" authority="Lorenzen, 1977" authorityName="Lorenzen" authorityYear="1977" class="Adenophorea" family="Xyalidae" genus="Gnomoxyala" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus">
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<emphasis id="DD9AEADCAE07FF80FBF2FDE384EC7433" box="[1128,1275,518,544]" italics="true" pageId="22" pageNumber="23">Gnomoxyala</emphasis>
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Lorenzen, 1977
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</taxonomicName>
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). In some genera such as
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<emphasis id="DD9AEADCAE07FF80FDA9FDCC83207450" box="[563,823,553,579]" italics="true" pageId="22" pageNumber="23">Pseudoechinotheristus</emphasis>
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Blome, 2002, the oval amphids are transversely elongated and may occupy close to 100% of the corresponding body diameter, but the two amphids always remain distinct. In
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<taxonomicName id="28EE4D4DAE07FF80FE04FD958239749A" authority="Leduc, 2023" authorityName="Leduc" authorityYear="2023" box="[414,558,624,649]" class="Adenophorea" family="Xyalidae" genus="Deraionema" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="DD9AEADCAE07FF80FE04FD958239749A" box="[414,558,624,649]" italics="true" pageId="22" pageNumber="23">Deraionema</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C6A957A7AE07FF80FDA2FD9582B17499" box="[568,678,624,650]" pageId="22" pageNumber="23" rank="genus">gen. nov.</taxonomicNameLabel>
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, it appears that the two amphids have become so wide as to become fused, thus forming a single structure. In some specimens, it is possible to discern the amphideal nerve extending posteriorly from the amphid, which allows to determine the position of the lateral sectors.
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</paragraph>
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<paragraph id="EF5136CEAE07FF80FF27FD1D8371758D" blockId="22.[189,1401,759,927]" pageId="22" pageNumber="23">
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<taxonomicName id="28EE4D4DAE07FF80FF27FD1D81477502" authority="Leduc, 2023" authorityName="Leduc" authorityYear="2023" box="[189,336,760,785]" class="Adenophorea" family="Xyalidae" genus="Deraionema" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="DD9AEADCAE07FF80FF27FD1D81477502" box="[189,336,760,785]" italics="true" pageId="22" pageNumber="23">Deraionema</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C6A957A7AE07FF80FEC3FD1D81D27501" box="[345,453,760,786]" pageId="22" pageNumber="23" rank="genus">gen. nov.</taxonomicNameLabel>
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is most similar to
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<taxonomicName id="28EE4D4DAE07FF80FD33FD1284377502" authority="Steiner, 1916" authorityName="Steiner" authorityYear="1916" box="[681,1056,759,785]" class="Adenophorea" family="Monhysteridae" genus="Paramonohystera" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus">
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<emphasis id="DD9AEADCAE07FF80FD33FD12836C7502" box="[681,891,759,785]" italics="true" pageId="22" pageNumber="23">Paramonohystera</emphasis>
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Steiner,
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<quantity id="28169B2BAE07FF80FC7FFD1284377502" box="[997,1056,759,785]" metricMagnitude="1" metricUnit="m" metricValue="4.86664" pageId="22" pageNumber="23" unit="in" value="1916.0">1916</quantity>
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</taxonomicName>
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in the conical buccal cavity, structure of the copulatory apparatus (i.e., elongated, slender spicules and gubernaculum without apophyses) and conicocylindrical tail with terminal setae. In addition to differences in male amphid shape, the two genera can be differentiated by the presence of 16 longitudinal rows of subcephalic setae in
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<taxonomicName id="28EE4D4DAE07FF80FF41FC608179758D" authority="Leduc, 2023" authorityName="Leduc" authorityYear="2023" box="[219,366,901,926]" class="Adenophorea" family="Xyalidae" genus="Deraionema" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus" status="gen. nov.">
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<emphasis id="DD9AEADCAE07FF80FF41FC608179758D" box="[219,366,901,926]" italics="true" pageId="22" pageNumber="23">Deraionema</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C6A957A7AE07FF80FEEFFC6081F7758C" box="[373,480,901,927]" pageId="22" pageNumber="23" rank="genus">gen. nov.</taxonomicNameLabel>
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(vs absent in
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<taxonomicName id="28EE4D4DAE07FF80FD18FC618343758D" authorityName="Steiner" authorityYear="1916" box="[642,852,900,926]" class="Adenophorea" family="Monhysteridae" genus="Paramonohystera" kingdom="Animalia" order="Monhysterida" pageId="22" pageNumber="23" phylum="Nematoda" rank="genus">
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<emphasis id="DD9AEADCAE07FF80FD18FC618343758D" box="[642,852,900,926]" italics="true" pageId="22" pageNumber="23">Paramonohystera</emphasis>
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</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="A7F46545AE07FF80FF27FC23834F7222" pageId="22" pageNumber="23" type="etymology">
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<paragraph id="EF5136CEAE07FF80FF27FC23815375F3" blockId="22.[189,324,966,992]" box="[189,324,966,992]" pageId="22" pageNumber="23">
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<heading id="B41981A2AE07FF80FF27FC23815375F3" bold="true" box="[189,324,966,992]" fontSize="11" level="3" pageId="22" pageNumber="23" reason="3">
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<emphasis id="DD9AEADCAE07FF80FF27FC23815375F3" bold="true" box="[189,324,966,992]" pageId="22" pageNumber="23">Etymology</emphasis>
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</heading>
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</paragraph>
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<paragraph id="EF5136CEAE07FF80FF27FC11834F7222" blockId="22.[189,1398,1012,1074]" pageId="22" pageNumber="23">
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The species name is derived from the Greek ʻ
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<emphasis id="DD9AEADCAE07FF80FD56FC118330721D" box="[716,807,1012,1038]" italics="true" pageId="22" pageNumber="23">deraion</emphasis>
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ʼ meaning ʻnecklaceʼ, ʻcollarʼ and ʻ
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<emphasis id="DD9AEADCAE07FF80FB58FC108515721D" box="[1218,1282,1013,1038]" italics="true" pageId="22" pageNumber="23">nema</emphasis>
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ʼ meaning ʻthreadʼ, and refers to the shape of the amphids in males.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |