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<document id="99277881F5EB1934F479EC314B44F419" ID-CLB-Dataset="22058" ID-DOI="10.5852/ejt.2016.171" ID-GBIF-Dataset="473de193-123e-49c7-95d8-011c75406e30" ID-Zenodo-Dep="3832734" ID-ZooBank="2AE15A24-33C0-42F9-BC47-5A44DF36AE9F" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1589831692801" checkinUser="valdenar" docAuthor="Nguyen, Thi Anh Duong, Abolafia, Joaquín, Bonkowski, Michael, Peña-Santiago, Reyes &amp; Álvarez-Ortega, Sergio" docDate="2016" docId="039C879DF30C925BFDD5FEFFFE4CBD44" docLanguage="en" docName="ejt-2016-171.pdf.imf" docOrigin="European Journal of Taxonomy 171" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Sectonema vietnamense Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega 2016, sp. nov." docType="treatment" docUuid="AF58451E-D7A7-4E49-8A18-9F3998EF4A87" docUuidSource="ZooBank" docVersion="9" lastPageNumber="18" masterDocId="FFA5FFE5F300924AFF8DFFF4FF82B86B" masterDocTitle="Two atypical new species of the genus Sectonema Thorne, 1930 (Nematoda, Dorylaimida, Aporcelaimidae) from Vietnam" masterLastPageNumber="20" masterPageNumber="1" pageNumber="13" updateTime="1698840159084" 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="50315C7149D54CC0D34CBF179CFFDD14">Two atypical new species of the genus Sectonema Thorne, 1930 (Nematoda, Dorylaimida, Aporcelaimidae) from Vietnam</mods:title>
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<mods:namePart id="476BE7C75E75B42AB4E2E3E3C885512A">Nguyen, Thi Anh Duong</mods:namePart>
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<mods:affiliation id="96BA51AEF5BF855B28D9CCC58F512451">Department of Terrestrial Ecology, Zoological Institute, University of Cologne, Zülpicher Strasse 47 b, 50674 Cologne, Germany. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Campus Las Lagunillas s / n, Edificio B 3, 23071 Jaén, Spain.</mods:affiliation>
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<mods:namePart id="854B31124FA621EAF690B123E304F15A">Abolafia, Joaquín</mods:namePart>
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<mods:namePart id="5ACE8260C17B54468F8EEE869CA2C97D">Bonkowski, Michael</mods:namePart>
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<mods:affiliation id="CF91A16E4DEDB464A6716AFC1FDA70F7">Department of Terrestrial Ecology, Zoological Institute, University of Cologne, Zülpicher Strasse 47 b, 50674 Cologne, Germany. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Campus Las Lagunillas s / n, Edificio B 3, 23071 Jaén, Spain.</mods:affiliation>
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<mods:namePart id="40499B22FDB9CBCA3D8C6DC9CB7F5FC6">Peña-Santiago, Reyes</mods:namePart>
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<mods:namePart id="B74517B5B96606D7DBC61480B0A2C4EA">Álvarez-Ortega, Sergio</mods:namePart>
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<mods:nameIdentifier id="E1C838404929AF185674B2329DFB0C68" type="email">saortega@ujaen.es</mods:nameIdentifier>
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<mods:date id="3D961123B64EB3B9DC4831CC24C14552">2016</mods:date>
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<treatment id="039C879DF30C925BFDD5FEFFFE4CBD44" ID-DOI="http://doi.org/10.5281/zenodo.3850205" ID-GBIF-Taxon="164167418" ID-Zenodo-Dep="3850205" LSID="urn:lsid:zoobank.org:act:AF58451E-D7A7-4E49-8A18-9F3998EF4A87" httpUri="http://treatment.plazi.org/id/039C879DF30C925BFDD5FEFFFE4CBD44" lastPageId="17" lastPageNumber="18" pageId="12" pageNumber="13">
<subSubSection id="C32F6500F30C9246FDD5FEFFFB41B921" pageId="12" pageNumber="13" type="nomenclature">
<paragraph id="8B8A368BF30C9246FDD5FEFFFC5EB94D" blockId="12.[369,1219,267,365]" box="[600,988,267,294]" pageId="12" pageNumber="13">
<heading id="D0C281E7F30C9246FDD5FEFFFC5EB94D" box="[600,988,267,294]" centered="true" fontSize="11" level="2" pageId="12" pageNumber="13" reason="2">
<taxonomicName id="4C354D08F30C9246FDD5FEFFFCF8B94E" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[600,890,267,293]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="12" pageNumber="13" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F30C9246FDD5FEFFFCF8B94E" bold="true" box="[600,890,267,293]" italics="true" pageId="12" pageNumber="13">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F30C9246FC0CFEF8FC5EB94D" box="[897,988,268,294]" pageId="12" pageNumber="13" rank="species">sp. nov.</taxonomicNameLabel>
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urn:lsid:zoobank.org:act:
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</uri>
</paragraph>
</subSubSection>
<subSubSection id="C32F6500F30C9246FD39FEA6FCFDB906" box="[692,895,338,365]" pageId="12" pageNumber="13" type="description">
<paragraph id="8B8A368BF30C9246FD39FEA6FCFDB906" blockId="12.[369,1219,267,365]" box="[692,895,338,365]" pageId="12" pageNumber="13">
<figureCitation id="130E2A0EF30C9246FD39FEA6FC9FB906" box="[692,797,338,365]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="13.[189,232,1930,1956]" captionStartId-1="14.[189,231,1895,1921]" captionStartId-2="15.[189,232,1860,1886]" captionTargetBox-0="[219,1342,287,1840]" captionTargetBox-1="[197,1391,538,1845]" captionTargetBox-2="[195,1393,885,1814]" captionTargetId-0="figure@13.[219,1368,265,1890]" captionTargetId-1="figure@14.[189,1399,529,1855]" captionTargetId-2="figure@15.[189,1399,881,1819]" captionTargetPageId-0="13" captionTargetPageId-1="14" captionTargetPageId-2="15" captionText-0="Fig. 7. Sectonema vietnamense sp. nov. (Line). A. Anterior region in median, lateral view. B. Lip region in surface, lateral view. C. Neck region. D. Vagina. E. ♀, anterior genital branch. F. ♁, entire. G. ♀, entire. H. ♁, posterior body region. I. ♀, posterior body region. J. Spicule. K. Lateral guiding piece." captionText-1="Fig. 8. Sectonema vietnamense sp. nov. (LM, type population). A. ♁, entire. BC. Anterior region in lateral, median view. D. ♀, anterior genital branch. E. ♁, posterior body region. F. Oviduct-uterus junction. G. Lip region in lateral, surface view. H. Vagina. I. ♁, caudal region. JK. Spicules. L. ♀, caudal region. Scale bars: A = 500 μm; BC, H = 10 μm; D = 100 μm; EF = 50 μm; G = 5 μm; IL = 20 μm." captionText-2="Fig. 9. Sectonema vietnamense sp. nov. (SEM, A = juvenile and BJ = ♁). A. Lip region in ventral view. BC. Lip region in lateral view. D. Posterior body region in ventral view. E. Lip region in frontal view. F. Detail of a ventromedian supplement. G. Caudal region in lateral view. H. Caudal region in subventral view. I. Detail of the ad-cloacal pair of supplements. J. Caudal region in ventral view. Scale bars = AC, E = 2 μm; D = 20 μm; F, I = 1 μm; GH = 10 μm; J = 5 μm." figureDoi-0="http://doi.org/10.5281/zenodo.3832749" figureDoi-1="http://doi.org/10.5281/zenodo.3832751" figureDoi-2="http://doi.org/10.5281/zenodo.3832753" httpUri-0="https://zenodo.org/record/3832749/files/figure.png" httpUri-1="https://zenodo.org/record/3832751/files/figure.png" httpUri-2="https://zenodo.org/record/3832753/files/figure.png" pageId="12" pageNumber="13">Figs 79</figureCitation>
,
<tableCitation id="C6B70330F30C9246FCA5FEA6FCFDB906" box="[808,895,338,365]" captionStart="Table 2" captionStartId="16.[189,258,268,294]" captionText="Table 2. Morphometrics of Sectonema vietnamense sp. nov. Measurements in μm (except L, in mm), and in the form: mean ± standard deviation (range)." pageId="12" pageNumber="13">Table 2</tableCitation>
</paragraph>
</subSubSection>
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<heading id="D0C281E7F30C9246FF30FE60FEB4B9C5" bold="true" box="[189,310,404,430]" fontSize="11" level="3" pageId="12" pageNumber="13" reason="3">
<emphasis id="B941EA99F30C9246FF30FE60FEB4B9C5" bold="true" box="[189,310,404,430]" pageId="12" pageNumber="13">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FE37FD86BAD8" blockId="12.[189,1399,451,691]" pageId="12" pageNumber="13">
The new species is characterized by a slender (
<emphasis id="B941EA99F30C9246FD52FE30FD6CB9B6" box="[735,750,452,477]" italics="true" pageId="12" pageNumber="13">a</emphasis>
= 3349)
<quantity id="4CCD9B6EF30C9246FCEBFE37FB92B9B5" box="[870,1040,451,478]" metricMagnitude="-3" metricUnit="m" metricValue="3.48" metricValueMax="4.25" metricValueMin="2.71" pageId="12" pageNumber="13" unit="mm" value="3.48" valueMax="4.25" valueMin="2.71">2.714.25 mm</quantity>
long body, lip region offset by depression and 1416 μm broad, odontostyle 89 μm long at its ventral side, 716918 μm long neck, pharyngeal expansion 463618 μm long or 6367% of total neck length, uterus simple and 209242 μm long or 2.52.9 times the corresponding body diameter,
<emphasis id="B941EA99F30C9246FCD1FDDBFBF4BA23" box="[860,1142,558,584]" italics="true" pageId="12" pageNumber="13">pars refringens vaginae</emphasis>
absent,
<emphasis id="B941EA99F30C9246FB57FDDBFB69BA23" box="[1242,1259,559,584]" italics="true" pageId="12" pageNumber="13">V</emphasis>
= 54, short (36 μm,
<emphasis id="B941EA99F30C9246FEABFDA7FEB1BA07" box="[294,307,595,620]" italics="true" pageId="12" pageNumber="13">c</emphasis>
= 105,
<emphasis id="B941EA99F30C9246FE19FDA6FE29BA07" box="[404,427,594,620]" italics="true" pageId="12" pageNumber="13">c</emphasis>
= 0.7) and rounded tail in female and slightly more conoid (3439 μm,
<emphasis id="B941EA99F30C9246FA94FDA7FAA4BA07" box="[1305,1318,595,620]" italics="true" pageId="12" pageNumber="13">c</emphasis>
= 70 115,
<emphasis id="B941EA99F30C9246FF7AFD82FE8CBAFB" box="[247,270,630,656]" italics="true" pageId="12" pageNumber="13">c</emphasis>
= 0.60.8) in male, 5975 μm long spicules, and three or four irregularly spaced ventromedian supplements bearing hiatus.
</paragraph>
</subSubSection>
<subSubSection id="C32F6500F30C9246FF30FD2FFC53BB4F" box="[189,977,731,804]" pageId="12" pageNumber="13" type="etymology">
<paragraph id="8B8A368BF30C9246FF30FD2FFEC6BA9E" blockId="12.[189,324,731,757]" box="[189,324,731,757]" pageId="12" pageNumber="13">
<heading id="D0C281E7F30C9246FF30FD2FFEC6BA9E" bold="true" box="[189,324,731,757]" fontSize="11" level="3" pageId="12" pageNumber="13" reason="3">
<emphasis id="B941EA99F30C9246FF30FD2FFEC6BA9E" bold="true" box="[189,324,731,757]" pageId="12" pageNumber="13">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FCFEFC53BB4F" blockId="12.[189,977,778,804]" box="[189,977,778,804]" pageId="12" pageNumber="13">The specific epithet refers to the geographical origin of the species.</paragraph>
</subSubSection>
<subSubSection id="C32F6500F30C925BFF30FCB8FC48BC47" lastPageId="17" lastPageNumber="18" pageId="12" pageNumber="13" type="materials_examined">
<paragraph id="8B8A368BF30C9246FF30FCB8FE6EBB0E" blockId="12.[189,492,843,870]" box="[189,492,843,870]" pageId="12" pageNumber="13">
<heading id="D0C281E7F30C9246FF30FCB8FE6EBB0E" bold="true" box="[189,492,843,870]" fontSize="11" level="3" pageId="12" pageNumber="13" reason="3">
<emphasis id="B941EA99F30C9246FF30FCB8FE6EBB0E" bold="true" box="[189,492,843,870]" pageId="12" pageNumber="13">Type material examined</emphasis>
</heading>
</paragraph>
<materialsCitation id="3B5D3CD6F30C9246FF67FC8FFB22BBB7" ID-GBIF-Occurrence="2620525302" country="Vietnam" county="University of Jaen" location="Northern Vietnam" municipality="Cuc Phuong National Park" pageId="12" pageNumber="13" specimenCount="1" specimenCount-female="1" typeStatus="holotype">
<paragraph id="8B8A368BF30C9246FF67FC8FFEDEBBFE" blockId="12.[189,1398,891,988]" box="[234,348,891,917]" pageId="12" pageNumber="13">
<emphasis id="B941EA99F30C9246FF67FC8FFEDEBBFE" bold="true" box="[234,348,891,917]" pageId="12" pageNumber="13">
<typeStatus id="548E8829F30C9246FF67FC8FFEDEBBFE" box="[234,348,891,917]" pageId="12" pageNumber="13" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FC6AFB22BBB7" blockId="12.[189,1398,891,988]" pageId="12" pageNumber="13">
<collectingCountry id="F322761BF30C9246FF30FC6AFECBBBD3" box="[189,329,926,952]" name="Vietnam" pageId="12" pageNumber="13">VIETNAM</collectingCountry>
:
<specimenCount id="9D33FD02F30C9246FEDBFC6BFEEEBBD2" box="[342,364,927,953]" pageId="12" pageNumber="13" type="female"></specimenCount>
, in good state of preservation,
<location id="8EEA6050F30C9246FD68FC6AFC3CBBD3" LSID="urn:lsid:plazi:treatment:039C879DF30C925BFDD5FEFFFE4CBD44:8EEA6050F30C9246FD68FC6AFC3CBBD3" box="[741,958,926,952]" country="Vietnam" county="University of Jaen" municipality="Cuc Phuong National Park" name="Northern Vietnam" pageId="12" pageNumber="13">Northern Vietnam</location>
,
<collectingMunicipality id="6BEEACF1F30C9246FC40FC6AFA93BBD3" box="[973,1297,926,952]" pageId="12" pageNumber="13">Cuc Phuong National Park</collectingMunicipality>
, pristine tropical forest, deposited in the nematode collection of the
<collectingCounty id="62EB4E07F30C9246FCFDFC36FBC8BBB7" box="[880,1098,962,988]" pageId="12" pageNumber="13">University of Jaén</collectingCounty>
, Spain.
</paragraph>
</materialsCitation>
<paragraph id="8B8A368BF30C9246FF67FBF0FEE5BC75" blockId="12.[189,1399,1028,1161]" box="[234,359,1028,1054]" pageId="12" pageNumber="13">
<emphasis id="B941EA99F30C9246FF67FBF0FEE5BC75" bold="true" box="[234,359,1028,1054]" pageId="12" pageNumber="13">
<typeStatus id="548E8829F30C9246FF67FBF0FEE5BC75" box="[234,359,1028,1054]" pageId="12" pageNumber="13" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FBD3FBE6BCE3" blockId="12.[189,1399,1028,1161]" pageId="12" pageNumber="13">
<collectingCountry id="F322761BF30C9246FF30FBD3FECBBC2A" box="[189,329,1063,1089]" name="Vietnam" pageId="12" pageNumber="13">VIETNAM</collectingCountry>
: 4 ♁♁, 3 juvs, in good state of preservation, same data as
<typeStatus id="548E8829F30C9246FB92FBD3FB0BBC2A" box="[1055,1161,1063,1089]" pageId="12" pageNumber="13" type="holotype">holotype</typeStatus>
; 1 ♁, in good state of preservation, same locality, deposited in the nematode collection of the Institute of Ecology and Biological Resources,
<collectingRegion id="49F1F869F30C9246FE4BFB9AFD93BCE3" box="[454,529,1134,1160]" country="Vietnam" name="Ha Noi" pageId="12" pageNumber="13">Hanoi</collectingRegion>
, Vietnam; 1♁,
<specimenCount id="9D33FD02F30C9246FD4FFB9AFC84BCE3" box="[706,774,1134,1160]" pageId="12" pageNumber="13" type="generic">1 juv.</specimenCount>
, same locality, used for SEM.
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FB44FE7BBCA1" blockId="12.[189,505,1200,1226]" box="[189,505,1200,1226]" pageId="12" pageNumber="13">
<heading id="D0C281E7F30C9246FF30FB44FE7BBCA1" bold="true" box="[189,505,1200,1226]" fontSize="11" level="3" pageId="12" pageNumber="13" reason="3">
<emphasis id="B941EA99F30C9246FF30FB44FE7BBCA1" bold="true" box="[189,505,1200,1226]" pageId="12" pageNumber="13">Other material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FB2BFB1ABD76" blockId="12.[189,1399,1245,1309]" pageId="12" pageNumber="13">
<collectingCountry id="F322761BF30C9246FF30FB2BFECBBC92" box="[189,329,1247,1273]" name="Vietnam" pageId="12" pageNumber="13">VIETNAM</collectingCountry>
: 2 ♁♁, in acceptable state of preservation, Northern Vietnam,
<collectingRegion id="49F1F869F30C9246FB86FB2BFB6FBC92" box="[1035,1261,1247,1273]" country="Vietnam" name="Thai Binh" pageId="12" pageNumber="13">Thái Bình province</collectingRegion>
, intensively cultured field, deposited in the nematode collection of the University of Jaén, Spain.
</paragraph>
<paragraph id="8B8A368BF30C9246FF30FAB0FDA2BD34" blockId="12.[189,544,1348,1375]" box="[189,544,1348,1375]" pageId="12" pageNumber="13">
<emphasis id="B941EA99F30C9246FF30FAB0FECCBD35" bold="true" box="[189,334,1348,1374]" pageId="12" pageNumber="13">Description</emphasis>
(
<typeStatus id="548E8829F30C9246FED0FAB1FE13BD34" box="[349,401,1349,1375]" pageId="12" pageNumber="13">type</typeStatus>
population)
</paragraph>
<paragraph id="8B8A368BF30C9246FF67FA87FEB0BDE6" blockId="12.[189,1399,1395,2027]" box="[234,306,1395,1421]" pageId="12" pageNumber="13">
<emphasis id="B941EA99F30C9246FF67FA87FEB0BDE6" bold="true" box="[234,306,1395,1421]" pageId="12" pageNumber="13">Adult</emphasis>
</paragraph>
<paragraph id="8B8A368BF30C9245FF30FA6CFD47B9E4" blockId="12.[189,1399,1395,2027]" lastBlockId="15.[189,1399,267,399]" lastPageId="15" lastPageNumber="16" pageId="12" pageNumber="13">
Very slender nematodes of big size,
<quantity id="4CCD9B6EF30C9246FDE1FA63FC9ABDD9" box="[620,792,1431,1458]" metricMagnitude="-3" metricUnit="m" metricValue="3.69" metricValueMax="4.25" metricValueMin="3.13" pageId="12" pageNumber="13" unit="mm" value="3.69" valueMax="4.25" valueMin="3.13">3.134.25 mm</quantity>
long. Body cylindrical, distinctly tapering towards the anterior end, less so towards the posterior one as the caudal region is rounded. Habitus regularly curved ventrad after fixation, to a more or less open C, occasionally more curved at posterior body region. Cuticle 2.02.5 μm thick at anterior region, 3.04.5 μm in mid-body and 810 μm on tail; consisting of three layers especially distinguishable at caudal region: thinner outer layer bearing very fine transverse striation through the entire body, thicker intermediate layer with radial striation, and thin inner layer. Lateral chords 612 μm wide at mid-body, occupying up to one-sixth (815%) of mid-body diameter. Two ventral and two dorsal body pores often present at level of stoma, and four distinct lateral pores 620 μm apart visible behind the amphid fovea. Lip region nearly continuous (a shallow depression is, however, often perceptible), weakly angular, visibly narrower than adjacent body, 2.12.3 times wider than high and about one-fifth (1823%) of body diameter at neck base; it appears (under SEM) marked by radial (oral field) or longitudinal (remaining lip region) incisures, with amalgamated lips and protruding, pore-like labial and cephalic papillae, all of them surrounded by a ring-like annulus, and the inner labial papillae visibly larger than the outer ones; oral field perceptibly hexagonal, oral aperture a dorso-ventral slit, the lip region hence showing a bi-radial symmetry. Cupshaped amphid fovea, its opening at level of cephalic depression and occupying 1011 μm or 6872% of lip region diameter. Nearly cylindrical cheilostom, without differentiation. Odontostyle comparatively short and occupying the whole stomatal lumen, its ventral side 0.50.6 times longer than lip region diameter and 0.200.29% of body length. Guiding ring simple, somewhat plicate, at 0.5 times the lip region diameter from anterior end. Odontophore linear, rod-like, 3.74.2 times the odontostyle length. Tripartite pharynx, consisting of an anteriorly thickened section behind the odontophore base, a perceptible narrower intermediate section with the nerve ring surrounding it, which enlarges very gradually into the basal expansion 9.915.0 times longer than wide, 6.77.3 times longer than body diameter and occupying 6367% of total neck length; gland nuclei mostly obscure, only S
<subScript id="17B134CEF30F9245FAA5FEE9FAB3B940" attach="both" box="[1320,1329,285,299]" fontSize="6" pageId="15" pageNumber="16">2</subScript>
N are visible, at 7778% (n = 3) of total neck length. Nerve ring located at 147178 μm from anterior end or 1922% of total neck length. Cardia rounded conoid, 1519 × 1217 μm; a ring-like structure is present surrounding its junction to pharyngeal base.
</paragraph>
<caption id="DF4A6603F30D9247FF30F87EFADABF80" ID-DOI="http://doi.org/10.5281/zenodo.3832749" ID-Zenodo-Dep="3832749" httpUri="https://zenodo.org/record/3832749/files/figure.png" pageId="13" pageNumber="14" startId="13.[189,232,1930,1956]" targetBox="[219,1342,287,1840]" targetPageId="13">
<paragraph id="8B8A368BF30D9247FF30F87EFADABF80" blockId="13.[189,1398,1930,2027]" pageId="13" pageNumber="14">
<emphasis id="B941EA99F30D9247FF30F87EFE88BFCF" bold="true" box="[189,266,1930,1956]" pageId="13" pageNumber="14">Fig. 7.</emphasis>
<taxonomicName id="4C354D08F30D9247FE9CF87FFDA5BFCF" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[273,551,1931,1957]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="13" pageNumber="14" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F30D9247FE9CF87FFDA5BFCF" box="[273,551,1931,1957]" italics="true" pageId="13" pageNumber="14">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F30D9247FDA3F87FFD0ABFCE" box="[558,648,1931,1957]" pageId="13" pageNumber="14" rank="species">sp. nov.</taxonomicNameLabel>
(Line).
<emphasis id="B941EA99F30D9247FD6BF87EFD79BFCF" bold="true" box="[742,763,1930,1956]" pageId="13" pageNumber="14">A</emphasis>
. Anterior region in median, lateral view.
<emphasis id="B941EA99F30D9247FB57F87EFB6CBFCF" bold="true" box="[1242,1262,1930,1956]" pageId="13" pageNumber="14">B</emphasis>
. Lip region in surface, lateral view.
<emphasis id="B941EA99F30D9247FE50F859FE70BFAC" bold="true" box="[477,498,1965,1991]" pageId="13" pageNumber="14">C</emphasis>
. Neck region.
<emphasis id="B941EA99F30D9247FD28F85AFD38BFA3" bold="true" box="[677,698,1966,1992]" pageId="13" pageNumber="14">D</emphasis>
. Vagina.
<emphasis id="B941EA99F30D9247FCA1F85AFCC2BFA3" bold="true" box="[812,832,1966,1992]" pageId="13" pageNumber="14">E</emphasis>
. ♀, anterior genital branch.
<emphasis id="B941EA99F30D9247FB18F85AFB25BFA3" bold="true" box="[1173,1191,1966,1992]" pageId="13" pageNumber="14">F</emphasis>
. ♁, entire.
<emphasis id="B941EA99F30D9247FABFF859FACBBFAC" bold="true" box="[1330,1353,1965,1991]" pageId="13" pageNumber="14">G</emphasis>
. ♀, entire.
<emphasis id="B941EA99F30D9247FE83F825FEA7BF80" bold="true" box="[270,293,2001,2027]" pageId="13" pageNumber="14">H</emphasis>
. ♁, posterior body region.
<emphasis id="B941EA99F30D9247FDE9F825FDEDBF80" bold="true" box="[612,623,2001,2027]" pageId="13" pageNumber="14">I</emphasis>
. ♀, posterior body region.
<emphasis id="B941EA99F30D9247FC23F825FC3FBF80" bold="true" box="[942,957,2001,2027]" pageId="13" pageNumber="14">J</emphasis>
. Spicule.
<emphasis id="B941EA99F30D9247FBBFF825FBCBBF80" bold="true" box="[1074,1097,2001,2027]" pageId="13" pageNumber="14">K</emphasis>
. Lateral guiding piece.
</paragraph>
</caption>
<caption id="DF4A6603F30E9244FF30F893FA88BF80" ID-DOI="http://doi.org/10.5281/zenodo.3832751" ID-Zenodo-Dep="3832751" httpUri="https://zenodo.org/record/3832751/files/figure.png" pageId="14" pageNumber="15" startId="14.[189,231,1895,1921]" targetBox="[197,1391,538,1845]" targetPageId="14">
<paragraph id="8B8A368BF30E9244FF30F893FA88BF80" blockId="14.[189,1399,1893,2027]" pageId="14" pageNumber="15">
<emphasis id="B941EA99F30E9244FF30F893FE8EBFEA" bold="true" box="[189,268,1895,1921]" pageId="14" pageNumber="15">Fig. 8.</emphasis>
<taxonomicName id="4C354D08F30E9244FE9BF89CFDAFBFEA" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[278,557,1896,1922]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="14" pageNumber="15" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F30E9244FE9BF89CFDAFBFEA" box="[278,557,1896,1922]" italics="true" pageId="14" pageNumber="15">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F30E9244FDB5F89CFD16BFE9" box="[568,660,1896,1922]" pageId="14" pageNumber="15" rank="species">sp. nov.</taxonomicNameLabel>
(LM, type population).
<emphasis id="B941EA99F30E9244FC35F893FC4FBFEA" bold="true" box="[952,973,1895,1921]" pageId="14" pageNumber="15">A</emphasis>
. ♁, entire.
<emphasis id="B941EA99F30E9244FBD5F893FB0DBFEA" bold="true" box="[1112,1167,1895,1922]" pageId="14" pageNumber="15">BC</emphasis>
. Anterior region in lateral, median view.
<emphasis id="B941EA99F30E9244FE23F87EFE41BFCF" bold="true" box="[430,451,1930,1956]" pageId="14" pageNumber="15">D</emphasis>
. ♀, anterior genital branch.
<emphasis id="B941EA99F30E9244FD73F87EFC93BFCF" bold="true" box="[766,785,1930,1956]" pageId="14" pageNumber="15">E</emphasis>
. ♁, posterior body region.
<emphasis id="B941EA99F30E9244FBCDF87EFBD0BFCF" bold="true" box="[1088,1106,1930,1956]" pageId="14" pageNumber="15">F</emphasis>
. Oviduct-uterus junction.
<emphasis id="B941EA99F30E9244FF30F859FF56BFAC" bold="true" box="[189,212,1965,1991]" pageId="14" pageNumber="15">G</emphasis>
. Lip region in lateral, surface view.
<emphasis id="B941EA99F30E9244FDFEF85AFD08BFA3" bold="true" box="[627,650,1966,1992]" pageId="14" pageNumber="15">H</emphasis>
. Vagina.
<emphasis id="B941EA99F30E9244FD78F85AFC82BFA3" bold="true" box="[757,768,1966,1992]" pageId="14" pageNumber="15">I</emphasis>
. ♁, caudal region.
<emphasis id="B941EA99F30E9244FC51F85AFB92BFA3" bold="true" box="[988,1040,1966,1992]" pageId="14" pageNumber="15">JK</emphasis>
. Spicules.
<emphasis id="B941EA99F30E9244FB03F85AFB23BFA3" bold="true" box="[1166,1185,1966,1992]" pageId="14" pageNumber="15">L</emphasis>
. ♀, caudal region. Scale bars: A = 500 μm; BC, H = 10 μm; D = 100 μm; EF = 50 μm; G = 5 μm; IL = 20 μm.
</paragraph>
</caption>
<paragraph id="8B8A368BF30F9245FF67FE43FEC7B9BA" blockId="15.[189,1399,439,817]" box="[234,325,439,465]" pageId="15" pageNumber="16">
<emphasis id="B941EA99F30F9245FF67FE43FEC7B9BA" bold="true" box="[234,325,439,465]" pageId="15" pageNumber="16">Female</emphasis>
</paragraph>
<paragraph id="8B8A368BF30F925AFF30FE2DFC12BDD7" blockId="15.[189,1399,439,817]" lastBlockId="16.[189,1399,1372,1469]" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
Genital system didelphic-amphidelphic, with almost equally and well developed branches, the anterior 473 μm long or 13% of body length and the posterior 387 μm long or 10% of body length, each branch bearing one uterine egg. Moderately sized ovaries, not surpassing the sphincter level, the anterior 191 μm, the posterior 141 μm long; oocytes arranged first in two or more rows, then in a single row. Oviduct 117, 142 μm long or 1.4, 1.7 times the corresponding body diameter, and consisting of a slender part made of prismatic cells and a well developed
<emphasis id="B941EA99F30F9245FC88FD7EFC19BACF" box="[773,923,650,676]" italics="true" pageId="15" pageNumber="16">pars dilatata</emphasis>
with wide lumen and sperm cells inside. Oviduct-uterus junction marked by a sphincter. Uterus a simple, tube-like structure 209, 242 μm long or 2.5, 2.9 times the corresponding body diameter, containing abundant sperm cells and one uterine egg. Vagina extending inwards 36 μm or about three-sevenths (44%) of body diameter:
<emphasis id="B941EA99F30F9245FB0EFD00FAB8BB66" box="[1155,1338,755,781]" italics="true" pageId="15" pageNumber="16">pars proximalis</emphasis>
23 × 28 μm, somewhat sigmoid walls and surrounded by weak musculature;
<emphasis id="B941EA99F30F9245FBA9FCE3FB59BB5A" box="[1060,1243,791,817]" italics="true" pageId="15" pageNumber="16">pars refringens</emphasis>
absent;
<emphasis id="B941EA99F30F925AFACFFCE3FE90BD1D" italics="true" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">pars distalis</emphasis>
well developed, 15 μm long. Vulva a post-equatorial transverse slit. Prerectum 3.0, rectum 0.9 anal body diameters long. Short and rounded tail, its inner core with a finger-like projection at tail end; two pairs of caudal pores, one sub-lateral, another sub-dorsal.
</paragraph>
<caption id="DF4A6603F30F9245FF30F8B0FB93BF80" ID-DOI="http://doi.org/10.5281/zenodo.3832753" ID-Zenodo-Dep="3832753" httpUri="https://zenodo.org/record/3832753/files/figure.png" pageId="15" pageNumber="16" startId="15.[189,232,1860,1886]" targetBox="[195,1393,885,1814]" targetPageId="15">
<paragraph id="8B8A368BF30F9245FF30F8B0FB93BF80" blockId="15.[189,1399,1858,2027]" pageId="15" pageNumber="16">
<emphasis id="B941EA99F30F9245FF30F8B0FE8FBF35" bold="true" box="[189,269,1860,1886]" pageId="15" pageNumber="16">Fig. 9.</emphasis>
<taxonomicName id="4C354D08F30F9245FE95F8B0FDB0BF35" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[280,562,1860,1886]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="15" pageNumber="16" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F30F9245FE95F8B0FDB0BF35" box="[280,562,1860,1886]" italics="true" pageId="15" pageNumber="16">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F30F9245FDB0F8B0FD18BF35" box="[573,666,1860,1886]" pageId="15" pageNumber="16" rank="species">sp. nov.</taxonomicNameLabel>
(SEM, A = juvenile and BJ = ♁).
<emphasis id="B941EA99F30F9245FBD8F8B0FBE8BF35" bold="true" box="[1109,1130,1860,1886]" pageId="15" pageNumber="16">A</emphasis>
. Lip region in ventral view.
<emphasis id="B941EA99F30F9245FE8EF893FEB8BFEA" bold="true" box="[259,314,1895,1922]" pageId="15" pageNumber="16">BC</emphasis>
. Lip region in lateral view.
<emphasis id="B941EA99F30F9245FD0DF893FD17BFEA" bold="true" box="[640,661,1895,1921]" pageId="15" pageNumber="16">D</emphasis>
. Posterior body region in ventral view.
<emphasis id="B941EA99F30F9245FBEBF893FBF8BFEA" bold="true" box="[1126,1146,1895,1921]" pageId="15" pageNumber="16">E</emphasis>
. Lip region in frontal view.
<emphasis id="B941EA99F30F9245FE88F87EFE95BFCF" bold="true" box="[261,279,1930,1956]" pageId="15" pageNumber="16">F</emphasis>
. Detail of a ventromedian supplement.
<emphasis id="B941EA99F30F9245FD79F87EFC89BFCF" bold="true" box="[756,779,1930,1956]" pageId="15" pageNumber="16">G</emphasis>
. Caudal region in lateral view.
<emphasis id="B941EA99F30F9245FB0AF87EFB1CBFCF" bold="true" box="[1159,1182,1930,1956]" pageId="15" pageNumber="16">H</emphasis>
. Caudal region in subventral view.
<emphasis id="B941EA99F30F9245FE08F85AFE12BFA3" bold="true" box="[389,400,1966,1992]" pageId="15" pageNumber="16">I</emphasis>
. Detail of the ad-cloacal pair of supplements.
<emphasis id="B941EA99F30F9245FC3DF85AFC3DBFA3" bold="true" box="[944,959,1966,1992]" pageId="15" pageNumber="16">J</emphasis>
. Caudal region in ventral view. Scale bars = AC, E = 2 μm; D = 20 μm; F, I = 1 μm; GH = 10 μm; J = 5 μm.
</paragraph>
</caption>
<caption id="DF4A6603F310925AFF30FEF8FC98B922" pageId="16" pageNumber="17">
<paragraph id="8B8A368BF310925AFF30FEF8FC98B922" blockId="16.[189,1399,267,329]" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF30FEF8FEA3B94E" bold="true" box="[189,289,267,294]" pageId="16" pageNumber="17">Table 2.</emphasis>
Morphometrics of
<taxonomicName id="4C354D08F310925AFD87FEF8FCA1B94E" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[522,803,268,294]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="16" pageNumber="17" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F310925AFD87FEF8FCA1B94E" box="[522,803,268,294]" italics="true" pageId="16" pageNumber="17">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F310925AFCA1FEF8FC0BB94D" box="[812,905,268,294]" pageId="16" pageNumber="17" rank="species">sp. nov.</taxonomicNameLabel>
Measurements in μm (except L, in mm), and in the form: mean ± standard deviation (range).
</paragraph>
</caption>
<paragraph id="8B8A368BF310925AFD5BFE80FAA4BC9F" pageId="16" pageNumber="17">
<table id="F935C42BF3106DB5FF45FE80FAE2BC9F" box="[200,1376,372,1268]" gridcols="5" gridrows="23" pageId="16" pageNumber="17">
<tr id="350534C9F3106DB5FF45FE80FAE2B9E1" box="[200,1376,372,394]" gridrow="0" pageId="16" pageNumber="17" rowspan-0="1" rowspan-1="1" rowspan-2="1">
<th id="76D45DB5F3106DB5FD5BFE80FBA8B9E1" box="[726,1066,372,394]" gridcol="3" gridrow="0" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFD5BFE80FC69B9E2" bold="true" box="[726,1003,372,394]" pageId="16" pageNumber="17">Cuc Phuong National Park</emphasis>
</th>
<th id="76D45DB5F3106DB5FB14FE80FAE2B9E1" box="[1177,1376,372,394]" gridcol="4" gridrow="0" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFB14FE80FAE2B9E1" bold="true" box="[1177,1376,372,394]" pageId="16" pageNumber="17">Thái Bình Province</emphasis>
</th>
</tr>
<tr id="350534C9F3106DB5FF45FE7FFAE2B9BE" box="[200,1376,395,469]" gridrow="1" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FE7FFE28B9BE" box="[200,426,395,469]" gridcol="0" gridrow="1" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FE5CFEB3B9D5" bold="true" box="[200,305,424,446]" pageId="16" pageNumber="17">Character</emphasis>
</th>
<td id="76D45DB5F3106DB5FE4EFE7FFDB1B9BE" box="[451,563,395,469]" gridcol="1" gridrow="1" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFE4EFE7FFDB1B9CA" bold="true" box="[451,563,395,417]" pageId="16" pageNumber="17">Population</emphasis>
</td>
<td id="76D45DB5F3106DB5FDEBFE7FFBA8B9BE" box="[614,1066,395,469]" colspan="2" colspanRight="1" gridcol="2" gridrow="1" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFDEBFE6FFC51B9BE" bold="true" pageId="16" pageNumber="17">Holotype Paratypes ♀ 6 ♁♁</emphasis>
</td>
<td id="76D45DB5F3106DB5FB14FE7FFAE2B9BE" box="[1177,1376,395,469]" gridcol="4" gridrow="1" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFB6FFE34FA9AB9BE" bold="true" box="[1250,1304,446,469]" pageId="16" pageNumber="17">2 ♁♁</emphasis>
</td>
</tr>
<tr id="350534C9F3106DB5FF45FE12FAE2B997" box="[200,1376,486,508]" gridrow="2" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FE12FE28B997" box="[200,426,486,508]" gridcol="0" gridrow="2" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FE12FF5AB990" bold="true" box="[200,216,486,507]" pageId="16" pageNumber="17">L</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFE12FD28B997" box="[614,682,486,508]" gridcol="2" gridrow="2" pageId="16" pageNumber="17">3.79</td>
<td id="76D45DB5F3106DB5FD5BFE12FBA8B997" box="[726,1066,486,508]" gridcol="3" gridrow="2" pageId="16" pageNumber="17">3.57 ± 0.49 (3.134.25)</td>
<td id="76D45DB5F3106DB5FB14FE12FAE2B997" box="[1177,1376,486,508]" gridcol="4" gridrow="2" pageId="16" pageNumber="17">3.02, 2.71</td>
</tr>
<tr id="350534C9F3106DB5FF45FDF8FAE2BA49" box="[200,1376,524,546]" gridrow="3" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FDF8FE28BA49" box="[200,426,524,546]" gridcol="0" gridrow="3" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FDF8FF56BA4A" bold="true" box="[200,212,524,545]" pageId="16" pageNumber="17">a</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFDF8FD28BA49" box="[614,682,524,546]" gridcol="2" gridrow="3" pageId="16" pageNumber="17">46</td>
<td id="76D45DB5F3106DB5FD5BFDF8FBA8BA49" box="[726,1066,524,546]" gridcol="3" gridrow="3" pageId="16" pageNumber="17">45.9 ± 3.0 (4149)</td>
<td id="76D45DB5F3106DB5FB14FDF8FAE2BA49" box="[1177,1376,524,546]" gridcol="4" gridrow="3" pageId="16" pageNumber="17">35, 33</td>
</tr>
<tr id="350534C9F3106DB5FF45FDC6FAE2BA23" box="[200,1376,562,584]" gridrow="4" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FDC6FE28BA23" box="[200,426,562,584]" gridcol="0" gridrow="4" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FDC6FF57BA2C" bold="true" box="[200,213,562,583]" pageId="16" pageNumber="17">b</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFDC6FD28BA23" box="[614,682,562,584]" gridcol="2" gridrow="4" pageId="16" pageNumber="17">4.6</td>
<td id="76D45DB5F3106DB5FD5BFDC6FBA8BA23" box="[726,1066,562,584]" gridcol="3" gridrow="4" pageId="16" pageNumber="17">4.5 ± 0.2 (4.34.7)</td>
<td id="76D45DB5F3106DB5FB14FDC6FAE2BA23" box="[1177,1376,562,584]" gridcol="4" gridrow="4" pageId="16" pageNumber="17">?</td>
</tr>
<tr id="350534C9F3106DB5FF45FDACFAE2BA05" box="[200,1376,600,622]" gridrow="5" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FDACFE28BA05" box="[200,426,600,622]" gridcol="0" gridrow="5" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FDACFF51BA06" bold="true" box="[200,211,600,621]" pageId="16" pageNumber="17">c</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFDACFD28BA05" box="[614,682,600,622]" gridcol="2" gridrow="5" pageId="16" pageNumber="17">105</td>
<td id="76D45DB5F3106DB5FD5BFDACFBA8BA05" box="[726,1066,600,622]" gridcol="3" gridrow="5" pageId="16" pageNumber="17">96.9 ± 11.4 (86115)</td>
<td id="76D45DB5F3106DB5FB14FDACFAE2BA05" box="[1177,1376,600,622]" gridcol="4" gridrow="5" pageId="16" pageNumber="17">83, 70</td>
</tr>
<tr id="350534C9F3106DB5FF45FD89FAE2BAFF" box="[200,1376,637,660]" gridrow="6" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FD89FE28BAFF" box="[200,426,637,660]" gridcol="0" gridrow="6" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FD89FF59BAF8" bold="true" box="[200,219,637,659]" pageId="16" pageNumber="17">c</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFD89FD28BAFF" box="[614,682,637,660]" gridcol="2" gridrow="6" pageId="16" pageNumber="17">0.7</td>
<td id="76D45DB5F3106DB5FD5BFD89FBA8BAFF" box="[726,1066,637,660]" gridcol="3" gridrow="6" pageId="16" pageNumber="17">0.7 ± 0.1 (0.60.8)</td>
<td id="76D45DB5F3106DB5FB14FD89FAE2BAFF" box="[1177,1376,637,660]" gridcol="4" gridrow="6" pageId="16" pageNumber="17">0.8, 0.7</td>
</tr>
<tr id="350534C9F3106DB5FF45FD50FAE2BAD1" box="[200,1376,676,698]" gridrow="7" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FD50FE28BAD1" box="[200,426,676,698]" gridcol="0" gridrow="7" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FD50FF5BBAD2" bold="true" box="[200,217,676,697]" pageId="16" pageNumber="17">V</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFD50FD28BAD1" box="[614,682,676,698]" gridcol="2" gridrow="7" pageId="16" pageNumber="17">54</td>
<td id="76D45DB5F3106DB5FD5BFD50FBA8BAD1" box="[726,1066,676,698]" gridcol="3" gridrow="7" pageId="16" pageNumber="17"></td>
<td id="76D45DB5F3106DB5FB14FD50FAE2BAD1" box="[1177,1376,676,698]" gridcol="4" gridrow="7" pageId="16" pageNumber="17"></td>
</tr>
<tr id="350534C9F3106DB5FF45FD3DFAE2BA8B" box="[200,1376,713,736]" gridrow="8" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FD3DFE28BA8B" box="[200,426,713,736]" gridcol="0" gridrow="8" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FD3DFEF0BAB4" bold="true" box="[200,370,713,735]" pageId="16" pageNumber="17">Lip region diam.</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFD3DFD28BA8B" box="[614,682,713,736]" gridcol="2" gridrow="8" pageId="16" pageNumber="17">14</td>
<td id="76D45DB5F3106DB5FD5BFD3DFBA8BA8B" box="[726,1066,713,736]" gridcol="3" gridrow="8" pageId="16" pageNumber="17">14.9 ± 0.5 (1416)</td>
<td id="76D45DB5F3106DB5FB14FD3DFAE2BA8B" box="[1177,1376,713,736]" gridcol="4" gridrow="8" pageId="16" pageNumber="17">16 (n = 2)</td>
</tr>
<tr id="350534C9F3106DB5FF45FD1BFAE2BB6D" box="[200,1376,751,774]" gridrow="9" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FD1BFDB1BB6D" box="[200,563,751,774]" colspan="2" colspanRight="1" gridcol="0" gridrow="9" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FD1BFDA3BB6E" bold="true" box="[200,545,751,773]" pageId="16" pageNumber="17">Odontostyle length at ventral side</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFD1BFD28BB6D" box="[614,682,751,774]" gridcol="2" gridrow="9" pageId="16" pageNumber="17">9</td>
<td id="76D45DB5F3106DB5FD5BFD1BFBA8BB6D" box="[726,1066,751,774]" gridcol="3" gridrow="9" pageId="16" pageNumber="17">8.8 ± 0.3 (89)</td>
<td id="76D45DB5F3106DB5FB14FD1BFAE2BB6D" box="[1177,1376,751,774]" gridcol="4" gridrow="9" pageId="16" pageNumber="17">9 (n = 2)</td>
</tr>
<tr id="350534C9F3106DB5FF45FCE1FAE2BB47" box="[200,1376,789,812]" gridrow="10" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FCE1FDB1BB47" box="[200,563,789,812]" colspan="2" colspanRight="1" gridcol="0" gridrow="10" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FCE1FD9ABB40" bold="true" box="[200,536,789,811]" pageId="16" pageNumber="17">Odontostyle length at dorsal side</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFCE1FD28BB47" box="[614,682,789,812]" gridcol="2" gridrow="10" pageId="16" pageNumber="17">10</td>
<td id="76D45DB5F3106DB5FD5BFCE1FBA8BB47" box="[726,1066,789,812]" gridcol="3" gridrow="10" pageId="16" pageNumber="17">9.5 ± 0.2 (910)</td>
<td id="76D45DB5F3106DB5FB14FCE1FAE2BB47" box="[1177,1376,789,812]" gridcol="4" gridrow="10" pageId="16" pageNumber="17">10 (n = 2)</td>
</tr>
<tr id="350534C9F3106DB5FF45FCCFFAE2BB39" box="[200,1376,827,850]" gridrow="11" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FCCFFE28BB39" box="[200,426,827,850]" gridcol="0" gridrow="11" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FCCFFE15BB3A" bold="true" box="[200,407,827,849]" pageId="16" pageNumber="17">Odontophore length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFCCFFD28BB39" box="[614,682,827,850]" gridcol="2" gridrow="11" pageId="16" pageNumber="17">32</td>
<td id="76D45DB5F3106DB5FD5BFCCFFBA8BB39" box="[726,1066,827,850]" gridcol="3" gridrow="11" pageId="16" pageNumber="17">34.2 ± 1.3 (3336)</td>
<td id="76D45DB5F3106DB5FB14FCCFFAE2BB39" box="[1177,1376,827,850]" gridcol="4" gridrow="11" pageId="16" pageNumber="17">33 (n = 2)</td>
</tr>
<tr id="350534C9F3106DB5FF45FC95FAE2BB13" box="[200,1376,865,888]" gridrow="12" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FC95FDB1BB13" box="[200,563,865,888]" colspan="2" colspanRight="1" gridcol="0" gridrow="12" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FC95FE5FBB1D" bold="true" box="[200,477,865,887]" pageId="16" pageNumber="17">Guiding ring from ant. end</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFC95FD28BB13" box="[614,682,865,888]" gridcol="2" gridrow="12" pageId="16" pageNumber="17">7</td>
<td id="76D45DB5F3106DB5FD5BFC95FBA8BB13" box="[726,1066,865,888]" gridcol="3" gridrow="12" pageId="16" pageNumber="17">7.3 ± 0.6 (78)</td>
<td id="76D45DB5F3106DB5FB14FC95FAE2BB13" box="[1177,1376,865,888]" gridcol="4" gridrow="12" pageId="16" pageNumber="17">9 (n = 2)</td>
</tr>
<tr id="350534C9F3106DB5FF45FC73FAE2BBF5" box="[200,1376,903,926]" gridrow="13" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FC73FE28BBF5" box="[200,426,903,926]" gridcol="0" gridrow="13" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FC73FEC0BBF7" bold="true" box="[200,322,903,924]" pageId="16" pageNumber="17">Neck length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFC73FD28BBF5" box="[614,682,903,926]" gridcol="2" gridrow="13" pageId="16" pageNumber="17">820</td>
<td id="76D45DB5F3106DB5FD5BFC73FBA8BBF5" box="[726,1066,903,926]" gridcol="3" gridrow="13" pageId="16" pageNumber="17">790 ± 84 (716918)</td>
<td id="76D45DB5F3106DB5FB14FC73FAE2BBF5" box="[1177,1376,903,926]" gridcol="4" gridrow="13" pageId="16" pageNumber="17">?</td>
</tr>
<tr id="350534C9F3106DB5FF45FC59FAE2BBAF" box="[200,1376,941,964]" gridrow="14" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FC59FDB1BBAF" box="[200,563,941,964]" colspan="2" colspanRight="1" gridcol="0" gridrow="14" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FC59FE72BBA9" bold="true" box="[200,496,941,963]" pageId="16" pageNumber="17">Pharyngeal expansion length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFC59FD28BBAF" box="[614,682,941,964]" gridcol="2" gridrow="14" pageId="16" pageNumber="17">534</td>
<td id="76D45DB5F3106DB5FD5BFC59FBA8BBAF" box="[726,1066,941,964]" gridcol="3" gridrow="14" pageId="16" pageNumber="17">521 ± 65 (463618)</td>
<td id="76D45DB5F3106DB5FB14FC59FAE2BBAF" box="[1177,1376,941,964]" gridcol="4" gridrow="14" pageId="16" pageNumber="17">?</td>
</tr>
<tr id="350534C9F3106DB5FF45FC27FAE2BB81" box="[200,1376,979,1002]" gridrow="15" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FC27FE28BB81" box="[200,426,979,1002]" gridcol="0" gridrow="15" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FC27FE0BBB83" bold="true" box="[200,393,979,1001]" pageId="16" pageNumber="17">Diam. at neck base</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFC27FD28BB81" box="[614,682,979,1002]" gridcol="2" gridrow="15" pageId="16" pageNumber="17">?</td>
<td id="76D45DB5F3106DB5FD5BFC27FBA8BB81" box="[726,1066,979,1002]" gridcol="3" gridrow="15" pageId="16" pageNumber="17">72.0 ± 8.6 (6385)</td>
<td id="76D45DB5F3106DB5FB14FC27FAE2BB81" box="[1177,1376,979,1002]" gridcol="4" gridrow="15" pageId="16" pageNumber="17">80, 74</td>
</tr>
<tr id="350534C9F3106DB5FF45FC0DFAE2BC64" box="[200,1376,1017,1039]" gridrow="16" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FC0DFE28BC64" box="[200,426,1017,1039]" gridcol="0" gridrow="16" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFE87FC0DFEFDBC64" bold="true" box="[266,383,1017,1039]" pageId="16" pageNumber="17">at midbody</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFC0DFD28BC64" box="[614,682,1017,1039]" gridcol="2" gridrow="16" pageId="16" pageNumber="17">82</td>
<td id="76D45DB5F3106DB5FD5BFC0DFBA8BC64" box="[726,1066,1017,1039]" gridcol="3" gridrow="16" pageId="16" pageNumber="17">77.7 ± 8.3 (6889)</td>
<td id="76D45DB5F3106DB5FB14FC0DFAE2BC64" box="[1177,1376,1017,1039]" gridcol="4" gridrow="16" pageId="16" pageNumber="17">87, 82</td>
</tr>
<tr id="350534C9F3106DB5FF45FBEBFAE2BC5E" box="[200,1376,1055,1077]" gridrow="17" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FBEBFE28BC5E" box="[200,426,1055,1077]" gridcol="0" gridrow="17" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFE87FBEBFED6BC5F" bold="true" box="[266,340,1055,1076]" pageId="16" pageNumber="17">at anus</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFBEBFD28BC5E" box="[614,682,1055,1077]" gridcol="2" gridrow="17" pageId="16" pageNumber="17">50</td>
<td id="76D45DB5F3106DB5FD5BFBEBFBA8BC5E" box="[726,1066,1055,1077]" gridcol="3" gridrow="17" pageId="16" pageNumber="17">50.6 ± 4.3 (4658)</td>
<td id="76D45DB5F3106DB5FB14FBEBFAE2BC5E" box="[1177,1376,1055,1077]" gridcol="4" gridrow="17" pageId="16" pageNumber="17">48, 55</td>
</tr>
<tr id="350534C9F3106DB5FF45FBB1FAE2BC37" box="[200,1376,1093,1116]" gridrow="18" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FBB1FE28BC37" box="[200,426,1093,1116]" gridcol="0" gridrow="18" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FBB1FEF8BC31" bold="true" box="[200,378,1093,1114]" pageId="16" pageNumber="17">Prerectum length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFBB1FD28BC37" box="[614,682,1093,1116]" gridcol="2" gridrow="18" pageId="16" pageNumber="17">149</td>
<td id="76D45DB5F3106DB5FD5BFBB1FBA8BC37" box="[726,1066,1093,1116]" gridcol="3" gridrow="18" pageId="16" pageNumber="17">237 ± 40 (210297)</td>
<td id="76D45DB5F3106DB5FB14FBB1FAE2BC37" box="[1177,1376,1093,1116]" gridcol="4" gridrow="18" pageId="16" pageNumber="17">199,?</td>
</tr>
<tr id="350534C9F3106DB5FF45FB9FFAE2BCE9" box="[200,1376,1131,1154]" gridrow="19" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FB9FFE28BCE9" box="[200,426,1131,1154]" gridcol="0" gridrow="19" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FB9FFE28BCEB" bold="true" box="[200,426,1131,1153]" pageId="16" pageNumber="17">Rectum /cloaca length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFB9FFD28BCE9" box="[614,682,1131,1154]" gridcol="2" gridrow="19" pageId="16" pageNumber="17">45</td>
<td id="76D45DB5F3106DB5FD5BFB9FFBA8BCE9" box="[726,1066,1131,1154]" gridcol="3" gridrow="19" pageId="16" pageNumber="17">58.8 ± 9.3 (4771)</td>
<td id="76D45DB5F3106DB5FB14FB9FFAE2BCE9" box="[1177,1376,1131,1154]" gridcol="4" gridrow="19" pageId="16" pageNumber="17">66, 62</td>
</tr>
<tr id="350534C9F3106DB5FF45FB65FAE2BCC3" box="[200,1376,1169,1192]" gridrow="20" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FB65FE28BCC3" box="[200,426,1169,1192]" gridcol="0" gridrow="20" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FB65FEB7BCCD" bold="true" box="[200,309,1169,1191]" pageId="16" pageNumber="17">Tail length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFB65FD28BCC3" box="[614,682,1169,1192]" gridcol="2" gridrow="20" pageId="16" pageNumber="17">36</td>
<td id="76D45DB5F3106DB5FD5BFB65FBA8BCC3" box="[726,1066,1169,1192]" gridcol="3" gridrow="20" pageId="16" pageNumber="17">36.8 ± 1.8 (3439)</td>
<td id="76D45DB5F3106DB5FB14FB65FAE2BCC3" box="[1177,1376,1169,1192]" gridcol="4" gridrow="20" pageId="16" pageNumber="17">36, 38</td>
</tr>
<tr id="350534C9F3106DB5FF45FB43FAE2BCA6" box="[200,1376,1207,1229]" gridrow="21" pageId="16" pageNumber="17" rowspan-1="1">
<th id="76D45DB5F3106DB5FF45FB43FE28BCA6" box="[200,426,1207,1229]" gridcol="0" gridrow="21" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FB43FEDABCA7" bold="true" box="[200,344,1207,1229]" pageId="16" pageNumber="17">Spicule length</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFB43FD28BCA6" box="[614,682,1207,1229]" gridcol="2" gridrow="21" pageId="16" pageNumber="17"></td>
<td id="76D45DB5F3106DB5FD5BFB43FBA8BCA6" box="[726,1066,1207,1229]" gridcol="3" gridrow="21" pageId="16" pageNumber="17">67.7 ± 5.3 (5975)</td>
<td id="76D45DB5F3106DB5FB14FB43FAE2BCA6" box="[1177,1376,1207,1229]" gridcol="4" gridrow="21" pageId="16" pageNumber="17">73, 70</td>
</tr>
<tr id="350534C9F3106DB5FF45FB29FAE2BC9F" box="[200,1376,1245,1268]" gridrow="22" pageId="16" pageNumber="17">
<th id="76D45DB5F3106DB5FF45FB29FDB1BC9F" box="[200,563,1245,1268]" colspan="2" colspanRight="1" gridcol="0" gridrow="22" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF45FB29FE5DBC99" bold="true" box="[200,479,1245,1267]" pageId="16" pageNumber="17">Ventromedian supplements</emphasis>
</th>
<td id="76D45DB5F3106DB5FDEBFB29FD28BC9F" box="[614,682,1245,1268]" gridcol="2" gridrow="22" pageId="16" pageNumber="17"></td>
<td id="76D45DB5F3106DB5FD5BFB29FBA8BC9F" box="[726,1066,1245,1268]" gridcol="3" gridrow="22" pageId="16" pageNumber="17">3.7 ± 0.5 (34)</td>
<td id="76D45DB5F3106DB5FB14FB29FAE2BC9F" box="[1177,1376,1245,1268]" gridcol="4" gridrow="22" pageId="16" pageNumber="17">4 (n = 2)</td>
</tr>
</table>
</paragraph>
<paragraph id="8B8A368BF310925AFF67FA10FEA8BD95" blockId="16.[189,1399,1508,2027]" box="[234,298,1508,1534]" pageId="16" pageNumber="17">
<emphasis id="B941EA99F310925AFF67FA10FEA8BD95" bold="true" box="[234,298,1508,1534]" pageId="16" pageNumber="17">Male</emphasis>
</paragraph>
<paragraph id="8B8A368BF310925AFF30F9F3FB90BF80" blockId="16.[189,1399,1508,2027]" pageId="16" pageNumber="17">
Genital system diorchic, with opposite testes. In addition to the ad-cloacal pair, situated at 1419 μm from cloacal aperture, there is a series of three or four irregularly spaced, 1548 μm apart, ventromedian supplements, the posteriormost of which lying out the range of retracted spicules, at 7691 μm from the ad-cloacal pair. Spicule robust and massive, especially in its posterior half, 3.64.6 times its maximum width, 1.31.4 times the body diameter at level of the cloacal aperture: dorsal contour regularly convex, ventral contour slightly concave, with distinct hump and hollow; curvature 125136º; head occupying 1319% of spicule total length, its dorsal contour distinct curved at its anterior end and longer than the ventral one, which is short and almost straight; median piece 5.97.1 times longer than wide, occupying 5265% of spicule maximum width, reaching the posterior tip; posterior end 67 μm wide. Lateral guiding pieces 1517 μm long, 5.36.5 times longer than wide. Prerectum 4.35.7, cloaca 1.01.3 times the corresponding body width long. Rectal glands and their ducts (
<emphasis id="B941EA99F310925AFC4BF893FC66BFEA" box="[966,996,1895,1921]" italics="true" pageId="16" pageNumber="17">cf.</emphasis>
<bibRefCitation id="EFA44B7AF310925AFC67F893FB7BBFE9" author="Coomans A. &amp; Loof P. A. A." box="[1002,1273,1895,1922]" pageId="16" pageNumber="17" pagination="261 - 265" refId="ref8840" refString="Coomans A. &amp; Loof P. A. A. 1986. Observations on the glands of the male reproductive system in dorylaims and its phylogenetic importance. Revue de Nematologie 9 (3): 261 - 265." type="journal article" year="1986">Coomans &amp; Loof 1986</bibRefCitation>
) very well perceptible (
<figureCitation id="130E2A0EF310925AFEDFF87EFE31BFCF" box="[338,435,1930,1956]" captionStart="Fig" captionStartId="14.[189,231,1895,1921]" captionTargetBox="[197,1391,538,1845]" captionTargetId="figure@14.[189,1399,529,1855]" captionTargetPageId="14" captionText="Fig. 8. Sectonema vietnamense sp. nov. (LM, type population). A. ♁, entire. BC. Anterior region in lateral, median view. D. ♀, anterior genital branch. E. ♁, posterior body region. F. Oviduct-uterus junction. G. Lip region in lateral, surface view. H. Vagina. I. ♁, caudal region. JK. Spicules. L. ♀, caudal region. Scale bars: A = 500 μm; BC, H = 10 μm; D = 100 μm; EF = 50 μm; G = 5 μm; IL = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.3832751" httpUri="https://zenodo.org/record/3832751/files/figure.png" pageId="16" pageNumber="17">Fig. 8K</figureCitation>
). Cloacal aperture, as seen under SEM, a somewhat curved anteriad, transverse slit; the two supplements of the precloacal pair distinctly separated. Tail a little more conoid than that of female; two pairs of caudal pores, one almost lateral, another sub-dorsal.
</paragraph>
<paragraph id="8B8A368BF311925BFF30FEFFFEE5B94E" blockId="17.[189,359,267,293]" box="[189,359,267,293]" pageId="17" pageNumber="18">
<heading id="D0C281E7F311925BFF30FEFFFEE5B94E" bold="true" box="[189,359,267,293]" fontSize="11" level="3" pageId="17" pageNumber="18" reason="3">
<emphasis id="B941EA99F311925BFF30FEFFFEE5B94E" bold="true" box="[189,359,267,293]" pageId="17" pageNumber="18">Relationships</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A368BF311925BFF30FECEFC48BC47" blockId="17.[189,1399,314,1068]" pageId="17" pageNumber="18">
The new species is easily distinguishable from its congeners in the unique combination of these features: narrow and nearly continuous lip region, very short odontostyle, absence of
<emphasis id="B941EA99F311925BFBBCFE94FAC7B912" box="[1073,1349,351,377]" italics="true" pageId="17" pageNumber="18">pars refringens vaginae</emphasis>
and short and rounded tail. Nonetheless, it resembles
<taxonomicName id="4C354D08F311925BFC8AFE70FBB4B9F5" authority="Heyns, 1965" authorityName="Heyns" authorityYear="1965" box="[775,1078,387,414]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="barbatum">
<emphasis id="B941EA99F311925BFC8AFE70FC1AB9F6" box="[775,920,387,414]" italics="true" pageId="17" pageNumber="18">S. barbatum</emphasis>
Heyns,
<quantity id="4CCD9B6EF311925BFC71FE77FBB4B9F5" box="[1020,1078,387,414]" metricMagnitude="1" metricUnit="m" metricValue="4.9911" pageId="17" pageNumber="18" unit="in" value="1965.0">1965</quantity>
</taxonomicName>
in its general morphology, but it can be distinguished from this because of its oral field lacking any setae-like structure (vs bearing numerous short forwardly pointing setae), narrower (1416 vs about 22 μm broad) lip region, shorter (89 vs 16 μm) odontostyle,
<emphasis id="B941EA99F311925BFD9EFE05FCA8BA61" box="[531,810,496,522]" italics="true" pageId="17" pageNumber="18">pars refringens vaginae</emphasis>
absent (vs present), shorter (36 μm,
<emphasis id="B941EA99F311925BFB50FE05FB68BA61" box="[1245,1258,497,522]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 105,
<emphasis id="B941EA99F311925BFACAFE05FADFBA60" box="[1351,1373,497,523]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 0.7 vs 48 μm,
<emphasis id="B941EA99F311925BFEECFDE1FEECBA45" box="[353,366,533,558]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 81,
<emphasis id="B941EA99F311925BFE35FDE1FE4CBA44" box="[440,462,533,559]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 1.0) female tail, and male present (vs absent). In having a comparatively small body size and nearly continuous lip region,
<taxonomicName id="4C354D08F311925BFD23FDCDFCDABA38" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[686,856,569,595]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F311925BFD23FDCDFCDABA38" box="[686,856,569,595]" italics="true" pageId="17" pageNumber="18">S. vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F311925BFCD3FDCDFC34BA38" box="[862,950,569,595]" pageId="17" pageNumber="18" rank="species">sp. nov.</taxonomicNameLabel>
is close to
<taxonomicName id="4C354D08F311925BFBBFFDCDFB4EBA38" authorityName="Siddiqi" authorityYear="1984" box="[1074,1228,569,595]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="mucrodens">
<emphasis id="B941EA99F311925BFBBFFDCDFB4EBA38" box="[1074,1228,569,595]" italics="true" pageId="17" pageNumber="18">S. mucrodens</emphasis>
</taxonomicName>
and
<taxonomicName id="4C354D08F311925BFA8CFDCDFAEDBA38" authorityName="Siddiqi" authorityYear="1984" box="[1281,1391,569,595]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="truxum">
<emphasis id="B941EA99F311925BFA8CFDCDFAEDBA38" box="[1281,1391,569,595]" italics="true" pageId="17" pageNumber="18">S. truxum</emphasis>
</taxonomicName>
, from which it differs in its narrower (1416 vs more than 20 μm broad) lip region, shorter stomatal protruding structure (89 vs more than 20 μm) located as usual (vs the anterior tip distinctly behind the level of guiding ring), and
<emphasis id="B941EA99F311925BFE7CFD53FC86BAAB" box="[497,772,678,704]" italics="true" pageId="17" pageNumber="18">pars refringens vaginae</emphasis>
absent (vs consisting of two small pieces).
<taxonomicName id="4C354D08F311925BFB74FD52FECEBA8F" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="vietnamense" status="sp. nov.">
<emphasis id="B941EA99F311925BFB74FD52FECEBA8F" italics="true" pageId="17" pageNumber="18">Sectonema vietnamense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F311925BFEDCFD3FFE2BBA8E" box="[337,425,715,741]" pageId="17" pageNumber="18" rank="species">sp. nov.</taxonomicNameLabel>
is also similar to
<taxonomicName id="4C354D08F311925BFDE7FD3FFC49BA8E" authority="Heyns, 1965" authorityName="Heyns" authorityYear="1965" box="[618,971,714,741]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="pseudoventrale">
<emphasis id="B941EA99F311925BFDE7FD3FFCB4BA8F" box="[618,822,714,741]" italics="true" pageId="17" pageNumber="18">S. pseudoventrale</emphasis>
Heyns,
<quantity id="4CCD9B6EF311925BFC1CFD3EFC49BA8E" box="[913,971,714,741]" metricMagnitude="1" metricUnit="m" metricValue="4.9911" pageId="17" pageNumber="18" unit="in" value="1965.0">1965</quantity>
</taxonomicName>
in having a short odontostyle, but can be distinguished from this by its narrower (1416 vs 2123 μm broad) lip region, shorter (209242 μm or 2.52.9 times the corresponding body diameter vs 123 μm or 1.3 times the corresponding body diameter) uterus, shorter (36 μm,
<emphasis id="B941EA99F311925BFE41FCCCFE5BBB3A" box="[460,473,824,849]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 105,
<emphasis id="B941EA99F311925BFDBCFCCCFDC5BB39" box="[561,583,824,850]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 0.7 vs 4663 μm,
<emphasis id="B941EA99F311925BFCBBFCCCFCC1BB3A" box="[822,835,824,849]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 82130,
<emphasis id="B941EA99F311925BFC4AFCCCFC58BB39" box="[967,986,824,850]" italics="true" pageId="17" pageNumber="18">c</emphasis>
= 0.81.0) female tail, shorter (59 75 vs 9095 μm) spicules, and fewer (three or four vs six or seven) ventromedian supplements. Finally, the new species also resembles
<taxonomicName id="4C354D08F311925BFDA6FC74FD32BBF1" authority="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega, 2016" authorityName="Nguyen &amp; Abolafia &amp; Bonkowski &amp; Peña-Santiago &amp; Álvarez-Ortega" authorityYear="2016" box="[555,688,896,922]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="17" pageNumber="18" phylum="Nematoda" rank="species" species="tropicum" status="sp. nov.">
<emphasis id="B941EA99F311925BFDA6FC74FD32BBF1" box="[555,688,896,922]" italics="true" pageId="17" pageNumber="18">S. tropicum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27257E2F311925BFD3AFC74FC91BBF1" box="[695,787,896,922]" pageId="17" pageNumber="18" rank="species">sp. nov.</taxonomicNameLabel>
, but it can be distinguished from this by its narrower (1416 vs 1921 μm broad) lip region, shorter (89 vs 2021 μm at its ventral side) odontostyle, longer (occupying 6367 vs 5259% of total neck length) pharyngeal expansion, more posterior vulva (
<emphasis id="B941EA99F311925BFAAAFC3DFABBBB89" box="[1319,1337,969,994]" italics="true" pageId="17" pageNumber="18">
<collectionCode id="ED24AE4EF311925BFAAAFC3DFABBBB89" box="[1319,1337,969,994]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="17" pageNumber="18" type="Museum">V</collectionCode>
</emphasis>
= 54 vs
<emphasis id="B941EA99F311925BFF6DFC1AFF70BC6C" box="[224,242,1006,1031]" italics="true" pageId="17" pageNumber="18">
<collectionCode id="ED24AE4EF311925BFF6DFC1AFF70BC6C" box="[224,242,1006,1031]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="17" pageNumber="18" type="Museum">V</collectionCode>
</emphasis>
=4852),
<emphasis id="B941EA99F311925BFEE2FC1AFD0ABC6C" box="[367,648,1005,1031]" italics="true" pageId="17" pageNumber="18">pars refringens vaginae</emphasis>
absent (vs present), shorter (5975 vs 9197 μm) spicules and higher number of ventromedian supplements (three or four vs one).
</paragraph>
</subSubSection>
<subSubSection id="C32F6500F311925BFF30FBA0FE4CBD44" pageId="17" pageNumber="18" type="discussion">
<paragraph id="8B8A368BF311925BFF30FBA0FEADBC05" blockId="17.[189,303,1108,1134]" box="[189,303,1108,1134]" pageId="17" pageNumber="18">
<heading id="D0C281E7F311925BFF30FBA0FEADBC05" bold="true" box="[189,303,1108,1134]" fontSize="11" level="3" pageId="17" pageNumber="18" reason="3">
<emphasis id="B941EA99F311925BFF30FBA0FEADBC05" bold="true" box="[189,303,1108,1134]" pageId="17" pageNumber="18">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A368BF311925BFF30FB77FE4CBD44" blockId="17.[189,1399,1155,1327]" pageId="17" pageNumber="18">
The two males from
<collectingRegion id="49F1F869F311925BFE4AFB77FDC0BCF6" box="[455,578,1155,1181]" country="Vietnam" name="Thai Binh" pageId="17" pageNumber="18">Thái Bình</collectingRegion>
are very similar to those of the
<typeStatus id="548E8829F311925BFC6EFB70FB94BCF5" box="[995,1046,1156,1182]" pageId="17" pageNumber="18">type</typeStatus>
population, but some minor morphometric differences have been also noted: somewhat smaller (2.71, 3.02 vs
<quantity id="4CCD9B6EF311925BFB08FB5CFAB3BCA9" box="[1157,1329,1192,1219]" metricMagnitude="-3" metricUnit="m" metricValue="3.69" metricValueMax="4.25" metricValueMin="3.13" pageId="17" pageNumber="18" unit="mm" value="3.69" valueMax="4.25" valueMin="3.13">3.134.25 mm</quantity>
long) and more obese (
<emphasis id="B941EA99F311925BFE04FB39FE1ABC8D" box="[393,408,1229,1254]" italics="true" pageId="17" pageNumber="18">a</emphasis>
= 33, 35 vs
<emphasis id="B941EA99F311925BFDA0FB39FDBEBC8D" box="[557,572,1229,1254]" italics="true" pageId="17" pageNumber="18">a</emphasis>
= 4149) body. Such differences have been regarded as instraspecific variation as the number of specimens examined is low and the main morphological and morphometric features are coincident.
</paragraph>
</subSubSection>
</treatment>
</document>