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<document id="4560DC08A73FC6E6865FAA19E90BB13B" ID="10.11646/zootaxa.4196.1.5" ID-DOI="10.11646/zootaxa.4196.1.5" ID-GBIF-Dataset="9ec8ba28-5318-4094-936c-ac274030379c" ID-ISSN="1175-5326" ID-Zenodo-Dep="167698" ID-ZooBank="AF21F5ED-8734-4D9A-8BD5-5B5B7AD57994" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1479713238406" checkinUser="plazi" docAuthor="Gagarin, Vladimir G. &amp; Naumova, Tatyana V." docDate="2016" docId="039887F81F2C1217FF3DFB23A62A8335" docLanguage="en" docName="zootaxa.4196.1.5.pdf" docOrigin="Zootaxa 4196 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Tobrilus methanus Gagarin &amp; Naumova, 2016, sp. n." docType="treatment" docVersion="8" lastPageNumber="100" masterDocId="FFA1FF801F2D1212FFAAFFD0A4738020" masterDocTitle="Tobrilus methanus sp. n. and Tripyla posolskii sp. n. (Nematoda, Triplonchida) from Lake Baikal, Russia" masterLastPageNumber="106" masterPageNumber="95" pageNumber="96" updateTime="1698394017529" updateUser="plazi">
<mods:mods id="D2F926DC4E0E31E8B0002C6C99B55949" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="0B34802B2A4754C0DE5BD36AC26C16A0">Tobrilus methanus sp. n. and Tripyla posolskii sp. n. (Nematoda, Triplonchida) from Lake Baikal, Russia</mods:title>
</mods:titleInfo>
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</mods:role>
<mods:namePart id="1C829036444CAEC97E442092C527D7F5">Gagarin, Vladimir G.</mods:namePart>
</mods:name>
<mods:name id="861AA40CE4CEE93C4D39FD5D549D62E4" type="personal">
<mods:role id="6F39291854B1E578F9FF352867794C71">
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</mods:role>
<mods:namePart id="24D7D03EEEA96972FCE03C52F3F3117F">Naumova, Tatyana V.</mods:namePart>
</mods:name>
<mods:typeOfResource id="106F4FAF404E0AA3A2FC4894B4EE302B">text</mods:typeOfResource>
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<mods:title id="5953CE18AD157F2AF8CAA2F25E58B230">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="66C9D83744158B2CC0883CB71274FE2D">
<mods:date id="67D0C2A037CA8B22DE43E72D3845C2E8">2016</mods:date>
<mods:detail id="AD40DB31B500B57AE92C0285F0C639AC" type="volume">
<mods:number id="D2F7CCDDDCD05E6AFEE050E4FBC368C9">4196</mods:number>
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<mods:classification id="257ECA4A94AB69B50153EF8692C47013">journal article</mods:classification>
<mods:identifier id="CF48131616860BBBC1D91206648858CD" type="DOI">10.11646/zootaxa.4196.1.5</mods:identifier>
<mods:identifier id="E38F70FF688296A60484294E58681580" type="GBIF-Dataset">9ec8ba28-5318-4094-936c-ac274030379c</mods:identifier>
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<mods:identifier id="886F6EC568E1AEB50BE8C746963628C2" type="ZooBank">AF21F5ED-8734-4D9A-8BD5-5B5B7AD57994</mods:identifier>
</mods:mods>
<treatment id="039887F81F2C1217FF3DFB23A62A8335" ID-DOI="http://doi.org/10.5281/zenodo.5613429" ID-GBIF-Taxon="124814353" ID-Zenodo-Dep="5613429" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335" httpUri="http://treatment.plazi.org/id/039887F81F2C1217FF3DFB23A62A8335" lastPageId="5" lastPageNumber="100" pageId="1" pageNumber="96">
<subSubSection id="C32B65651F2C1213FF3DFB23A5F2850E" pageId="1" pageNumber="96" type="nomenclature">
<paragraph id="8B8E36EE1F2C1213FF3DFB23A5B1852D" blockId="1.[151,450,1267,1326]" box="[151,450,1267,1293]" pageId="1" pageNumber="96">
<heading id="D0C681821F2C1213FF3DFB23A5B1852D" bold="true" box="[151,450,1267,1293]" fontSize="11" level="1" pageId="1" pageNumber="96" reason="1">
<emphasis id="B945EAFC1F2C1213FF3DFB23A5B1852D" bold="true" box="[151,450,1267,1293]" pageId="1" pageNumber="96">
<taxonomicName id="4C314D6D1F2C1213FF3DFB23A50A852D" box="[151,377,1267,1293]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="1" pageNumber="96" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F2C1213FF3DFB23A50A852D" bold="true" box="[151,377,1267,1293]" italics="true" pageId="1" pageNumber="96">Tobrilus methanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27657871F2C1213FE2AFB23A5B1852D" box="[384,450,1267,1293]" pageId="1" pageNumber="96" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8B8E36EE1F2C1213FF3DFAC5A5F2850E" blockId="1.[151,450,1267,1326]" box="[151,385,1301,1326]" pageId="1" pageNumber="96">
(
<figureCitation id="130A2A6B1F2C1213FF35FAC5A496850E" box="[159,229,1301,1326]" captionStart="FIGURE 1" captionStartId="2.[151,250,1971,1993]" captionTargetBox="[223,1370,207,1919]" captionTargetId="figure@2.[194,1376,193,1940]" captionTargetPageId="2" captionText="FIGURE 1. Tobrilus methanus sp. n. Holotype male and paratype female. A: male, entire body; B: male head; C: vulva region; D: male tail; E: female tail. Scale bars: A— 100 µm; C – E— 40 µm; B— 15 µm." httpUri="https://zenodo.org/record/167699/files/figure.png" pageId="1" pageNumber="96">Figs 1</figureCitation>
,
<figureCitation id="130A2A6B1F2C1213FF59FAC6A577850E" box="[243,260,1302,1326]" captionStart="FIGURE 2" captionStartId="3.[151,250,1941,1963]" captionTargetBox="[219,1366,197,1889]" captionTargetId="figure@3.[181,1386,193,1899]" captionTargetPageId="3" captionText="FIGURE 2. Tobrilus methanus sp. n. Paratype male and female. A: male, entire body; B: female, entire body; C: male, anterior body end; D: female head; E: male head; F: vulva region; G: cloaca region; H: male tail; I: female tail. Scale bars: A, B— 100 µm; C, H— 50 µm; F, I— 20 µm; D, E, G— 10 µm." httpUri="https://zenodo.org/record/167700/files/figure.png" pageId="1" pageNumber="96">2</figureCitation>
; Table 1,2)
</paragraph>
</subSubSection>
<subSubSection id="C32B65651F2C1213FF3DFA8DA79E866B" pageId="1" pageNumber="96" type="materials_examined">
<paragraph id="8B8E36EE1F2C1213FF3DFA8DA481859D" blockId="1.[151,1437,1373,2036]" pageId="1" pageNumber="96">
<materialsCitation id="3B593CB31F2C1213FF3DFA8DA49C859D" ID-GBIF-Occurrence="1341369647" collectionCode="RAS" country="Russia" county="Parasitology" location="Institute" municipality="Center" pageId="1" pageNumber="96" specimenCount="2" stateProvince="Moscow" typeStatus="holotype">
<emphasis id="B945EAFC1F2C1213FF3DFA8DA5358556" bold="true" box="[151,326,1373,1398]" pageId="1" pageNumber="96">
<typeStatus id="548A884C1F2C1213FF3DFA8DA4A18556" box="[151,210,1373,1398]" pageId="1" pageNumber="96">Type</typeStatus>
material.
</emphasis>
<typeStatus id="548A884C1F2C1213FEE5FA8DA5C48556" box="[335,439,1373,1398]" pageId="1" pageNumber="96" type="holotype">Holotype</typeStatus>
male, slide reference number 102/56, deposited in the helminthological museum of the Russian Academy of Sciences (
<collectionCode id="ED20AE2B1F2C1213FE51FA51A64585B9" box="[507,566,1409,1433]" country="Myanmar" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14256" name="Union of Burma Applied Research Institute" pageId="1" pageNumber="96">RAS</collectionCode>
),
<location id="8EEE60351F2C1213FDE1FA50A6D485B9" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FDE1FA50A6D485B9" box="[587,679,1408,1433]" country="Russia" county="Parasitology" municipality="Center" name="Institute" pageId="1" pageNumber="96" stateProvince="Moscow">Institute</location>
of
<location id="8EEE60351F2C1213FD64FA50A75885B9" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FD64FA50A75885B9" box="[718,811,1408,1433]" country="Russia" county="Parasitology" municipality="Center" name="Ecology" pageId="1" pageNumber="96" stateProvince="Moscow">Ecology</location>
and
<location id="8EEE60351F2C1213FCC9FA50A7A785B9" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FCC9FA50A7A785B9" box="[867,980,1408,1433]" country="Russia" county="Parasitology" municipality="Center" name="Evolution" pageId="1" pageNumber="96" stateProvince="Moscow">Evolution</location>
,
<collectingMunicipality id="6BEAAC941F2C1213FC4AFA51A05885B9" box="[992,1067,1409,1433]" pageId="1" pageNumber="96">Center</collectingMunicipality>
for
<collectingCounty id="62EF4E621F2C1213FBF1FA50A09485B9" box="[1115,1255,1408,1433]" pageId="1" pageNumber="96">Parasitology</collectingCounty>
<collectionCode id="ED20AE2B1F2C1213FB45FA51A15685B9" box="[1263,1317,1409,1433]" country="Myanmar" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14256" name="Union of Burma Applied Research Institute" pageId="1" pageNumber="96">RAS</collectionCode>
(
<collectingRegion id="49F5F80C1F2C1213FA9FFA51A1EB85B9" box="[1333,1432,1409,1433]" country="Russia" name="Moscow" pageId="1" pageNumber="96">Moscow</collectingRegion>
,
<collectingCountry id="F326767E1F2C1213FF3DFA74A494859D" box="[151,231,1444,1469]" name="Russia" pageId="1" pageNumber="96">Russia</collectingCountry>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8B8E36EE1F2C1213FF6DFA17A7218624" blockId="1.[151,1437,1373,2036]" pageId="1" pageNumber="96">
<materialsCitation id="3B593CB31F2C1213FF6DFA17A7218624" ID-GBIF-Occurrence="1341369652" country="Russia" county="Sciences" location="Seven" municipality="Russian Academy" pageId="1" pageNumber="96" specimenCount="1" stateProvince="Irkutsk" typeStatus="paratype">
<emphasis id="B945EAFC1F2C1213FF6DFA17A54C85C0" bold="true" box="[199,319,1479,1504]" pageId="1" pageNumber="96">
<typeStatus id="548A884C1F2C1213FF6DFA17A54C85C0" box="[199,319,1479,1504]" pageId="1" pageNumber="96" type="paratype">Paratypes</typeStatus>
</emphasis>
.
<location id="8EEE60351F2C1213FEFAFA18A5E685C0" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FEFAFA18A5E685C0" box="[336,405,1480,1504]" country="Russia" county="Sciences" municipality="Russian Academy" name="Seven" pageId="1" pageNumber="96" stateProvince="Irkutsk">Seven</location>
males and ten females deposited in the collection of the
<location id="8EEE60351F2C1213FB9DFA17A49B8624" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FB9DFA17A49B8624" country="Russia" county="Sciences" municipality="Russian Academy" name="Limnological Institute Siberian Branch" pageId="1" pageNumber="96" stateProvince="Irkutsk">Limnological Institute Siberian Branch</location>
of the
<collectingMunicipality id="6BEAAC941F2C1213FE9CFA3BA6728624" box="[310,513,1515,1540]" pageId="1" pageNumber="96">Russian Academy</collectingMunicipality>
of
<collectingCounty id="62EF4E621F2C1213FD8DFA3BA6FA8624" box="[551,649,1515,1540]" pageId="1" pageNumber="96">Sciences</collectingCounty>
(
<collectingRegion id="49F5F80C1F2C1213FD3DFA3BA6988624" box="[663,747,1515,1540]" country="Russia" name="Irkutsk" pageId="1" pageNumber="96">Irkutsk</collectingRegion>
,
<collectingCountry id="F326767E1F2C1213FD5CFA3BA7358624" box="[758,838,1515,1540]" name="Russia" pageId="1" pageNumber="96">Russia</collectingCountry>
).
</materialsCitation>
</paragraph>
<paragraph id="8B8E36EE1F2C1213FF6DF9DEA79E866B" blockId="1.[151,1437,1373,2036]" pageId="1" pageNumber="96">
<materialsCitation id="3B593CB31F2C1213FF6DF9DEA79E866B" ID-GBIF-Occurrence="1341369651" collectingDate="2015-07-03" collectorName="South Baikal, N" country="Russia" county="Nematodes" elevation="500" location="Posol'skaya Banka" municipality="Lake Baikal" pageId="1" pageNumber="96" specimenCount="1" typeStatus="holotype">
<emphasis id="B945EAFC1F2C1213FF6DF9DEA5138607" bold="true" box="[199,352,1550,1575]" pageId="1" pageNumber="96">
<typeStatus id="548A884C1F2C1213FF6DF9DEA5718607" box="[199,258,1550,1575]" pageId="1" pageNumber="96">Type</typeStatus>
locality
</emphasis>
.
<location id="8EEE60351F2C1213FEDBF9DEA63B8607" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FEDBF9DEA63B8607" box="[369,584,1550,1575]" country="Russia" county="Nematodes" municipality="Lake Baikal" name="Posol'skaya Banka" pageId="1" pageNumber="96">Posol’skaya Banka</location>
elevation (
<collectorName id="26C453381F2C1213FD60F9DEA7F78606" box="[714,900,1550,1575]" pageId="1" pageNumber="96">
<location id="8EEE60351F2C1213FD60F9DEA7118607" LSID="urn:lsid:plazi:treatment:039887F81F2C1217FF3DFB23A62A8335:8EEE60351F2C1213FD60F9DEA7118607" box="[714,866,1550,1575]" country="Russia" county="Nematodes" municipality="Lake Baikal" name="South Baikal" pageId="1" pageNumber="96">South Baikal</location>
, N
</collectorName>
52°02ʹ08ʺ, E 105°50ʹ36ʺ) methane seep,
<collectingMunicipality id="6BEAAC941F2C1213FACEF9DEA490866B" pageId="1" pageNumber="96">Lake Baikal</collectingMunicipality>
,
<collectingCountry id="F326767E1F2C1213FF44F9E2A54F866B" box="[238,316,1586,1611]" name="Russia" pageId="1" pageNumber="96">Russia</collectingCountry>
, depth
<quantity id="4CC99B0B1F2C1213FE26F9E2A5A6866A" box="[396,469,1586,1611]" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="1" pageNumber="96" unit="m" value="500.0">
<elevation id="001CD1DD1F2C1213FE26F9E2A5A6866A" box="[396,469,1586,1611]" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="1" pageNumber="96" unit="m" value="500.0">500 m</elevation>
</quantity>
, silt.
<collectingCounty id="62EF4E621F2C1213FDBBF9E2A6FC866B" box="[529,655,1586,1611]" pageId="1" pageNumber="96">Nematodes</collectingCounty>
were collected on
<date id="FF8F102E1F2C1213FCC9F9E2A79A866B" box="[867,1001,1586,1611]" pageId="1" pageNumber="96" value="2015-07-03">
<collectingDate id="EFCBE9C61F2C1213FCC9F9E2A79A866B" box="[867,1001,1586,1611]" pageId="1" pageNumber="96" value="2015-07-03">3 July 2015</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C32B65651F2C1213FF6DF985A020864E" box="[199,1107,1621,1646]" pageId="1" pageNumber="96" type="etymology">
<paragraph id="8B8E36EE1F2C1213FF6DF985A020864E" blockId="1.[151,1437,1373,2036]" box="[199,1107,1621,1646]" pageId="1" pageNumber="96">
<emphasis id="B945EAFC1F2C1213FF6DF985A535864E" bold="true" box="[199,326,1621,1646]" pageId="1" pageNumber="96">Etymology</emphasis>
. The specific epithet means “methane’, “from area of methane seep”.
</paragraph>
</subSubSection>
<subSubSection id="C32B65651F2C1217FF6DF9A9A58B813C" lastPageId="5" lastPageNumber="100" pageId="1" pageNumber="96" type="description">
<paragraph id="8B8E36EE1F2C1213FF6DF9A9A57787D4" blockId="1.[151,1437,1373,2036]" pageId="1" pageNumber="96">
<emphasis id="B945EAFC1F2C1213FF6DF9A9A5ED86B2" bold="true" box="[199,414,1657,1682]" pageId="1" pageNumber="96">Description. Male</emphasis>
. Body comparatively short and thin. Cuticle finely annulated, about 1 µm thick at midbody. Cuticular rings narrow, poorly visible. Crystalloids numerous; somatic setae short and rare. Labial region slightly offset from the adjacent body; lips well developed. Body diameter at the posterior pharynx end 3.0–4.7 times the width of the labial region. Inner labial sensillae papilliform. Six outer labial sensillae in the shape of thin setae 3.0–4.0 µm long, 20–27 % of labial region width. Four cephalic setae in the shape of thin setae 2.5–3.0 µm long. Both circles of setae drawn close together. Cheilostom comparatively large. Buccal cavity narrow, funnelshaped. Dorsal pocket hardly visible. Both subventral pockets overlapping adjacent to each other, poorly developed. Teeth in pockets small. Stoma 1.5–1.8 times as long as labial region width. Amphid fovea cup-shaped, opening at the level of buccal cavity. Pharynx muscular, comparatively long, expanding gradually along its entire length. Cardiac gland large, rounded, 20–25 µm long. Ventral gland, its canal, ampulla and excretory pore not observed.
</paragraph>
<caption id="DF4E66661F2F1210FF3DF863A7C787C6" httpUri="https://zenodo.org/record/167699/files/figure.png" pageId="2" pageNumber="97" targetBox="[223,1370,207,1919]" targetPageId="2">
<paragraph id="8B8E36EE1F2F1210FF3DF863A7C787C6" blockId="2.[151,1436,1971,2023]" pageId="2" pageNumber="97">
<emphasis id="B945EAFC1F2F1210FF3DF863A57F87E8" bold="true" box="[151,268,1971,1993]" pageId="2" pageNumber="97">FIGURE 1</emphasis>
.
<taxonomicName id="4C314D6D1F2F1210FEB2F863A5A187E9" box="[280,466,1971,1993]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="2" pageNumber="97" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F2F1210FEB2F863A5A187E9" box="[280,466,1971,1993]" italics="true" pageId="2" pageNumber="97">Tobrilus methanus</emphasis>
</taxonomicName>
<emphasis id="B945EAFC1F2F1210FE72F863A66287E8" bold="true" box="[472,529,1971,1992]" pageId="2" pageNumber="97">
<taxonomicNameLabel id="A27657871F2F1210FE72F863A66287E8" box="[472,529,1971,1992]" pageId="2" pageNumber="97" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
Holotype male and paratype female. A: male, entire body; B: male head; C: vulva region; D: male tail; E: female tail. Scale bars: A—100 µm; C–E—40 µm; B—15 µm.
</paragraph>
</caption>
<caption id="DF4E66661F2E1211FF3DF845A6E487C8" httpUri="https://zenodo.org/record/167700/files/figure.png" pageId="3" pageNumber="98" targetBox="[219,1366,197,1889]" targetPageId="3">
<paragraph id="8B8E36EE1F2E1211FF3DF845A6E487C8" blockId="3.[151,1436,1941,2025]" pageId="3" pageNumber="98">
<emphasis id="B945EAFC1F2E1211FF3DF845A57F878A" bold="true" box="[151,268,1941,1963]" pageId="3" pageNumber="98">FIGURE 2</emphasis>
.
<taxonomicName id="4C314D6D1F2E1211FEB2F845A5A1878B" box="[280,466,1941,1963]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="3" pageNumber="98" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F2E1211FEB2F845A5A1878B" box="[280,466,1941,1963]" italics="true" pageId="3" pageNumber="98">Tobrilus methanus</emphasis>
</taxonomicName>
<emphasis id="B945EAFC1F2E1211FE72F846A662878B" bold="true" box="[472,529,1942,1963]" pageId="3" pageNumber="98">
<taxonomicNameLabel id="A27657871F2E1211FE72F846A662878B" box="[472,529,1942,1963]" pageId="3" pageNumber="98" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
Paratype male and female. A: male, entire body; B: female, entire body; C: male, anterior body end; D: female head; E: male head; F: vulva region; G: cloaca region; H: male tail; I: female tail. Scale bars: A, B—100 µm; C, H—50 µm; F, I—20 µm; D, E, G—10 µm.
</paragraph>
</caption>
<paragraph id="8B8E36EE1F291216FF6DFF48A7EA81A8" blockId="4.[151,1437,151,824]" pageId="4" pageNumber="99">
Testes paired, opposed, situated to the left of intestine; anterior testis outstretched, posterior testis reflexed.
<emphasis id="B945EAFC1F291216FADFFF49A48680F5" italics="true" pageId="4" pageNumber="99">
<collectingRegion id="49F5F80C1F291216FADFFF49A1EA8090" box="[1397,1433,153,176]" country="Hungary" name="Vas" pageId="4" pageNumber="99">Vas</collectingRegion>
deferens
</emphasis>
well developed. Spicules comparatively short, slightly curved, 1.1–1.3 times as long as the cloacal body diameter. Gubernaculum in the shape of a thin plate, 1.9–2.4 times less than spicule length. Precloacal supplements
<quantity id="4CC99B0B1F291216FF3DFED4A4B1813D" box="[151,194,260,285]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="4" pageNumber="99" unit="in" value="6.0">6 in</quantity>
number, small, submerged. Ampulla of supplement flattened, its contents concentrated at ampulla base. Cap of supplement absent. Central thorn protruding slightly above cuticle. Distance from cloaca to first supplement 35–55 µm. Length of supplement row is 170–260 µm. Tail slender, long, elongate-conical, with subterminal seta. Caudal glands poorly visible. Spinneret in the shape of a short and thin tube.
</paragraph>
<paragraph id="8B8E36EE1F291216FF6DFE44A5768318" blockId="4.[151,1437,151,824]" pageId="4" pageNumber="99">
<emphasis id="B945EAFC1F291216FF6DFE44A56D818D" bold="true" box="[199,286,404,429]" pageId="4" pageNumber="99">Female</emphasis>
. General morphology is similar to that of males in structure of cuticle and anterior body end. Cuticle finely annulated. Labial region slightly offset from the adjacent body; lips very well developed. Inner labial sensillae papilliform. Outer labial sensillae and cephalic sensillae in the shape of thin setae. Both circles of setae drawn close together. Cheilostom small; buccal cavity narrow, funnel-shaped. Both subventral pockets overlapping adjacent to each other. Teeth in pockets small. Pharynx muscular, expanding gradually towards base. Cardia small, surrounded by 3 oval glands. Prerectum not observed. Rectum length equal to or slightly greater than anal body diameter. Reproductive system didelphic, amphidelphic. Ovaries situated to the left of intestine, reflexed and comparatively short. Oocytes numerous. Vulva a transverse slit and situated slightly anterior to mid-body. Vulva lips not sclerotized and not protruding outside the body contour. Cuticular wrinkles round vulva and vulva glands not seen. Vagina short, with thick walls. Uterus containing one or two eggs, measuring 65–
<date id="FF8F102E1F291216FB05FD07A17B82D0" box="[1199,1288,727,752]" pageId="4" pageNumber="99" value="1970-10-28">70 x 28</date>
–35 µm. Tail long, elongate-conical, with subterminal seta. Three caudal glands present, opening through a short, tube-like spinneret.
</paragraph>
<caption id="DF4E66661F291216FF3DFCB4A6AC835B" ID-Table-UUID="DF4E66661F291216FF3DFCB4A6AC835B" box="[151,735,868,891]" httpUri="http://table.plazi.org/id/DF4E66661F291216FF3DFCB4A6AC835B" pageId="4" pageNumber="99" targetBox="[159,1299,1032,1839]" targetIsTable="true" targetPageId="4">
<paragraph id="8B8E36EE1F291216FF3DFCB4A6AC835B" blockId="4.[151,735,868,891]" box="[151,735,868,891]" pageId="4" pageNumber="99">
<emphasis id="B945EAFC1F291216FF3DFCB4A579835B" bold="true" box="[151,266,868,891]" pageId="4" pageNumber="99">TABLE 1.</emphasis>
Morphometrics of
<taxonomicName id="4C314D6D1F291216FE72FCB4A6EF835B" box="[472,668,868,891]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="4" pageNumber="99" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F291216FE72FCB4A6EF835B" box="[472,668,868,891]" italics="true" pageId="4" pageNumber="99">Tobrilus methanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27657871F291216FD0EFCB4A6AC835B" box="[676,735,868,891]" pageId="4" pageNumber="99" rank="species">sp. n.</taxonomicNameLabel>
</paragraph>
</caption>
<paragraph id="8B8E36EE1F291216FF35FC46A081838C" blockId="4.[159,1299,918,1012]" box="[159,1266,918,940]" pageId="4" pageNumber="99">
Characters
<typeStatus id="548A884C1F291216FE18FC46A663838C" box="[434,528,918,940]" pageId="4" pageNumber="99" type="holotype">Holotype</typeStatus>
<typeStatus id="548A884C1F291216FDC8FC47A6C8838C" box="[610,699,919,940]" pageId="4" pageNumber="99" type="paratype">Paratype</typeStatus>
males (n = 7)
<typeStatus id="548A884C1F291216FC46FC47A036838C" box="[1004,1093,919,940]" pageId="4" pageNumber="99" type="paratype">Paratype</typeStatus>
females (n = 10)
</paragraph>
<paragraph id="8B8E36EE1F291216FE18FC65A59783EB" blockId="4.[159,1299,918,1012]" box="[434,484,949,971]" pageId="4" pageNumber="99">male</paragraph>
<paragraph id="8B8E36EE1F291217FDC8FC0FA58B813C" blockId="4.[159,1299,918,1012]" lastBlockId="5.[151,1437,151,789]" lastPageId="5" lastPageNumber="100" pageId="4" pageNumber="99">
range mean range mean
<emphasis id="B945EAFC1F291216FF6DF8BFA54987A8" bold="true" box="[199,314,1903,1928]" pageId="4" pageNumber="99">Diagnosis</emphasis>
. Body comparatively short and thin (L =
<date id="FF8F102E1F291216FC81F8BFA7DA87A8" box="[811,937,1903,1928]" pageId="4" pageNumber="99" value="1040" valueMax="1505">1040–1505</date>
µm,
<emphasis id="B945EAFC1F291216FC46F8A1A78987A8" box="[1004,1018,1905,1928]" italics="true" pageId="4" pageNumber="99">a</emphasis>
= 20–29). Cuticle finely annulated. Crystalloids numerous. Outer labial setae and cephalic arranged in single circle. Outer labial setae longer than cephalic setae and as long as 20–27% of labial region width. Cheilostom comparatively large. Buccal cavity narrow, funnel-shaped. Both subventral pockets overlapping adjacent to each other, poorly developed. Stoma 1.5– 1.8 as long as labial region width. Spicules comparatively short, slightly curved, 1.1–1.3 times as long as the cloacal body diameter. Gubernaculum in the shape of a thin plate. Precloacal supplementary organs
<quantity id="4CC99B0B1F281217FAA6FF6CA14A80F5" box="[1292,1337,188,213]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="5" pageNumber="100" unit="in" value="6.0">6 in</quantity>
number, vesiculate, small, completely submerged under cuticle except for a short thorn protruding beyond cuticle. Subterminal seta at tail present.
</paragraph>
</subSubSection>
<paragraph id="8B8E36EE1F291216FF35FBD9A171870F" pageId="4" pageNumber="99">
<table id="F931C44E1F29EDEDFF35FBD8A160870F" box="[159,1299,1032,1839]" gridcols="6" gridrows="6" pageId="4" pageNumber="99">
<tr id="350134AC1F29EDEDFF35FBD8A1608450" box="[159,1299,1032,1136]" gridrow="0" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35FBD8A48F8450" box="[159,252,1032,1136]" gridcol="0" gridrow="0" pageId="4" pageNumber="99">L a b</th>
<th id="76D05DD01F29EDEDFE18FBD8A5968450" box="[434,485,1032,1136]" gridcol="1" gridrow="0" pageId="4" pageNumber="99">1068 29 3.7</th>
<th id="76D05DD01F29EDEDFDC8FBD8A6A08450" box="[610,723,1032,1136]" gridcol="2" gridrow="0" pageId="4" pageNumber="99">1065–1425 23–29 3.7–4.4</th>
<th id="76D05DD01F29EDEDFCFBFBD8A7F78450" box="[849,900,1032,1136]" gridcol="3" gridrow="0" pageId="4" pageNumber="99">1239 26 4.0</th>
<th id="76D05DD01F29EDEDFC46FBD8A02C8450" box="[1004,1119,1032,1136]" gridcol="4" gridrow="0" pageId="4" pageNumber="99">1040–1505 20–25 3.4–4.3</th>
<th id="76D05DD01F29EDEDFB76FBD8A1608450" box="[1244,1299,1032,1136]" gridcol="5" gridrow="0" pageId="4" pageNumber="99">1226 23 3.8</th>
</tr>
<tr id="350134AC1F29EDEDFF35FB54A1608548" box="[159,1299,1156,1384]" gridrow="1" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35FB54A48F8548" box="[159,252,1156,1384]" gridcol="0" gridrow="1" pageId="4" pageNumber="99">
c
<emphasis id="B945EAFC1F291216FF35FB7EA4D984E3" box="[159,170,1198,1219]" italics="true" pageId="4" pageNumber="99">c</emphasis>
ʹ
<emphasis id="B945EAFC1F291216FF35FB08A4D884CD" box="[159,171,1240,1261]" italics="true" pageId="4" pageNumber="99">V</emphasis>
, % diam.c.s. d. midb. a.b.d.
</th>
<td id="76D05DD01F29EDEDFE18FB54A5968548" box="[434,485,1156,1384]" gridcol="1" gridrow="1" pageId="4" pageNumber="99">11.9 3.6 – 13 37 25</td>
<td id="76D05DD01F29EDEDFDC8FB54A6A08548" box="[610,723,1156,1384]" gridcol="2" gridrow="1" pageId="4" pageNumber="99">11.3–12.1 3.4–3.8 – 13–16 37–58 24–32</td>
<td id="76D05DD01F29EDEDFCFBFB54A7F78548" box="[849,900,1156,1384]" gridcol="3" gridrow="1" pageId="4" pageNumber="99">11.8 3.7 – 14 49 29</td>
<td id="76D05DD01F29EDEDFC46FB54A02C8548" box="[1004,1119,1156,1384]" gridcol="4" gridrow="1" pageId="4" pageNumber="99">9.0–10.4 3.9–5.0 44.4–49.8 15–17 44–76 23–35</td>
<td id="76D05DD01F29EDEDFB76FB54A1608548" box="[1244,1299,1156,1384]" gridcol="5" gridrow="1" pageId="4" pageNumber="99">9.7 4.6 47.3 16 56 28</td>
</tr>
<tr id="350134AC1F29EDEDFF35FAACA16085C4" box="[159,1299,1404,1508]" gridrow="2" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35FAACA48F85C4" box="[159,252,1404,1508]" gridcol="0" gridrow="2" pageId="4" pageNumber="99">o.l.s. c.s. st.l.</th>
<td id="76D05DD01F29EDEDFE18FAACA59685C4" box="[434,485,1404,1508]" gridcol="1" gridrow="2" pageId="4" pageNumber="99">4.0 2.5 25</td>
<td id="76D05DD01F29EDEDFDC8FAACA6A085C4" box="[610,723,1404,1508]" gridcol="2" gridrow="2" pageId="4" pageNumber="99">3.0–4.0 2.5–3.0 22–27</td>
<td id="76D05DD01F29EDEDFCFBFAACA7F785C4" box="[849,900,1404,1508]" gridcol="3" gridrow="2" pageId="4" pageNumber="99">3.6 2.8 24</td>
<td id="76D05DD01F29EDEDFC46FAACA02C85C4" box="[1004,1119,1404,1508]" gridcol="4" gridrow="2" pageId="4" pageNumber="99">3.0–4.0 2.5–3.0 23–28</td>
<td id="76D05DD01F29EDEDFB76FAACA16085C4" box="[1244,1299,1404,1508]" gridcol="5" gridrow="2" pageId="4" pageNumber="99">3.4. 2.7 25</td>
</tr>
<tr id="350134AC1F29EDEDFF35FA28A1608640" box="[159,1299,1528,1632]" gridrow="3" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35FA28A48F8640" box="[159,252,1528,1632]" gridcol="0" gridrow="3" pageId="4" pageNumber="99">ph.l. dis.ph.cl. dis.ph.v.</th>
<td id="76D05DD01F29EDEDFE18FA28A5968640" box="[434,485,1528,1632]" gridcol="1" gridrow="3" pageId="4" pageNumber="99">288 690 –</td>
<td id="76D05DD01F29EDEDFDC8FA28A6A08640" box="[610,723,1528,1632]" gridcol="2" gridrow="3" pageId="4" pageNumber="99">286–325 685–900 –</td>
<td id="76D05DD01F29EDEDFCFBFA28A7F78640" box="[849,900,1528,1632]" gridcol="3" gridrow="3" pageId="4" pageNumber="99">307 824 –</td>
<td id="76D05DD01F29EDEDFC46FA28A02C8640" box="[1004,1119,1528,1632]" gridcol="4" gridrow="3" pageId="4" pageNumber="99">270–348 – 180–380</td>
<td id="76D05DD01F29EDEDFB76FA28A1608640" box="[1244,1299,1528,1632]" gridcol="5" gridrow="3" pageId="4" pageNumber="99">324 – 258</td>
</tr>
<tr id="350134AC1F29EDEDFF35F9A4A16086FC" box="[159,1299,1652,1756]" gridrow="4" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35F9A4A48F86FC" box="[159,252,1652,1756]" gridcol="0" gridrow="4" pageId="4" pageNumber="99">dis.v.a. spic. gub.l.</th>
<td id="76D05DD01F29EDEDFE18F9A4A59686FC" box="[434,485,1652,1756]" gridcol="1" gridrow="4" pageId="4" pageNumber="99">– 32 12</td>
<td id="76D05DD01F29EDEDFDC8F9A4A6A086FC" box="[610,723,1652,1756]" gridcol="2" gridrow="4" pageId="4" pageNumber="99">– 30–37 11–20</td>
<td id="76D05DD01F29EDEDFCFBF9A4A7F786FC" box="[849,900,1652,1756]" gridcol="3" gridrow="4" pageId="4" pageNumber="99">– 34 15</td>
<td id="76D05DD01F29EDEDFC46F9A4A02C86FC" box="[1004,1119,1652,1756]" gridcol="4" gridrow="4" pageId="4" pageNumber="99">430–615 – –</td>
<td id="76D05DD01F29EDEDFB76F9A4A16086FC" box="[1244,1299,1652,1756]" gridcol="5" gridrow="4" pageId="4" pageNumber="99">517 – –</td>
</tr>
<tr id="350134AC1F29EDEDFF35F920A160870F" box="[159,1299,1776,1839]" gridrow="5" pageId="4" pageNumber="99">
<th id="76D05DD01F29EDEDFF35F920A48F870F" box="[159,252,1776,1839]" gridcol="0" gridrow="5" pageId="4" pageNumber="99">suppl. t.l.</th>
<td id="76D05DD01F29EDEDFE18F920A596870F" box="[434,485,1776,1839]" gridcol="1" gridrow="5" pageId="4" pageNumber="99">6 90</td>
<td id="76D05DD01F29EDEDFDC8F920A6A0870F" box="[610,723,1776,1839]" gridcol="2" gridrow="5" pageId="4" pageNumber="99">6 90–120</td>
<td id="76D05DD01F29EDEDFCFBF920A7F7870F" box="[849,900,1776,1839]" gridcol="3" gridrow="5" pageId="4" pageNumber="99">6 105</td>
<td id="76D05DD01F29EDEDFC46F920A02C870F" box="[1004,1119,1776,1839]" gridcol="4" gridrow="5" pageId="4" pageNumber="99">– 104–167</td>
<td id="76D05DD01F29EDEDFB76F920A160870F" box="[1244,1299,1776,1839]" gridcol="5" gridrow="5" pageId="4" pageNumber="99">– 127</td>
</tr>
</table>
</paragraph>
<subSubSection id="C32B65651F281217FF6DFEF7A62A8335" pageId="5" pageNumber="100" type="diagnosis">
<paragraph id="8B8E36EE1F281217FF6DFEF7A60E821C" blockId="5.[151,1437,151,789]" pageId="5" pageNumber="100">
<emphasis id="B945EAFC1F281217FF6DFEF7A5B88160" bold="true" box="[199,459,295,320]" pageId="5" pageNumber="100">Differential diagnosis</emphasis>
.
<taxonomicName id="4C314D6D1F281217FE74FEF7A6C08160" box="[478,691,295,320]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F281217FE74FEF7A6C08160" box="[478,691,295,320]" italics="true" pageId="5" pageNumber="100">Tobrilus methanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27657871F281217FD15FEF7A770811F" box="[703,771,295,320]" pageId="5" pageNumber="100" rank="species">
<emphasis id="B945EAFC1F281217FD15FEF7A6888160" bold="true" box="[703,763,295,320]" pageId="5" pageNumber="100">sp. n</emphasis>
.
</taxonomicNameLabel>
similar to
<taxonomicName id="4C314D6D1F281217FC21FEF9A0B58160" authority="Gagarin, 1996" authorityName="Gagarin" authorityYear="1996" box="[907,1222,295,320]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="modestus">
<emphasis id="B945EAFC1F281217FC21FEF9A0678160" box="[907,1044,295,320]" italics="true" pageId="5" pageNumber="100">T. modestus</emphasis>
<bibRefCitation id="EFA04B1F1F281217FB8AFEF7A0B58160" author="Gagarin" box="[1056,1222,295,320]" pageId="5" pageNumber="100" refString="Gagarin, V. G. (1996) Free-living nematodes from some water bodies of Taimyr Peninsula. Zoologicheskii Zhurnal, 75, 323 - 334." type="journal article" year="1996">Gagarin, 1996</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C314D6D1F281217FAACFEF9A5298144" authority="Tsalolikhin, 1972" authorityName="Tsalolikhin" authorityYear="1972" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="incognitus">
<emphasis id="B945EAFC1F281217FAACFEF9A1EF8160" box="[1286,1436,297,320]" italics="true" pageId="5" pageNumber="100">T. incognitus</emphasis>
<bibRefCitation id="EFA04B1F1F281217FF3DFE9CA5298144" author="Tsalolikhin" box="[151,346,332,357]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1972) New species of freshwater nematodes from Lake Baikal. Zoologicheskii Zhurnal, 51 (10), 1559 - 1563. [In Russia]" type="journal article" year="1972">
Tsalolikhin,
<quantity id="4CC99B0B1F281217FE88FE9CA5298144" box="[290,346,332,356]" metricMagnitude="1" metricUnit="m" metricValue="5.00888" pageId="5" pageNumber="100" unit="in" value="1972.0">1972</quantity>
</bibRefCitation>
</taxonomicName>
in body size and shape and structure of stoma. From the first species it differs in the thinner body (
<emphasis id="B945EAFC1F281217FF0AFEA1A4DD81A8" box="[160,174,369,392]" italics="true" pageId="5" pageNumber="100">a</emphasis>
= 20–29
<emphasis id="B945EAFC1F281217FE83FEA1A52881A8" box="[297,347,369,392]" italics="true" pageId="5" pageNumber="100">vs a</emphasis>
=
<quantity id="4CC99B0B1F281217FE2EFEBFA66581A8" box="[388,534,367,392]" metricMagnitude="-1" metricUnit="m" metricValue="4.2799" metricValueMax="4.699" metricValueMin="3.8608" pageId="5" pageNumber="100" unit="in" value="16.85" valueMax="18.5" valueMin="15.2">15.2–18.5 in</quantity>
<taxonomicName id="4C314D6D1F281217FD89FEA1A6DF81A8" box="[547,684,367,392]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="modestus">
<emphasis id="B945EAFC1F281217FD89FEA1A6DF81A8" box="[547,684,367,392]" italics="true" pageId="5" pageNumber="100">T. modestus</emphasis>
</taxonomicName>
), longer pharynx (
<emphasis id="B945EAFC1F281217FC24FEBFA7EF81A8" box="[910,924,367,392]" italics="true" pageId="5" pageNumber="100">b</emphasis>
= 3.4–4.4
<emphasis id="B945EAFC1F281217FB8FFEA1A02481A8" box="[1061,1111,367,392]" italics="true" pageId="5" pageNumber="100">vs b</emphasis>
=
<quantity id="4CC99B0B1F281217FB2AFEBFA08581A8" box="[1152,1270,367,392]" metricMagnitude="-1" metricUnit="m" metricValue="1.5875" metricValueMax="1.6764" metricValueMin="1.4986" pageId="5" pageNumber="100" unit="in" value="6.25" valueMax="6.6" valueMin="5.9">5.9–6.6 in</quantity>
<taxonomicName id="4C314D6D1F281217FAA8FEA1A1F881A8" box="[1282,1419,367,392]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="modestus">
<emphasis id="B945EAFC1F281217FAA8FEA1A1F881A8" box="[1282,1419,367,392]" italics="true" pageId="5" pageNumber="100">T. modestus</emphasis>
</taxonomicName>
), comparatively longer tail (
<emphasis id="B945EAFC1F281217FE6AFE45A5BF818C" box="[448,460,405,428]" italics="true" pageId="5" pageNumber="100">c</emphasis>
ʹ = 3.4–5.0
<emphasis id="B945EAFC1F281217FDE0FE45A607818C" box="[586,628,405,428]" italics="true" pageId="5" pageNumber="100">vs c</emphasis>
ʹ = 2.0–
<quantity id="4CC99B0B1F281217FD60FE44A77A818D" box="[714,777,404,429]" metricMagnitude="-2" metricUnit="m" metricValue="6.35" pageId="5" pageNumber="100" unit="in" value="2.5">2.5 in</quantity>
<taxonomicName id="4C314D6D1F281217FCA5FE45A7E1818D" box="[783,914,404,429]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="modestus">
<emphasis id="B945EAFC1F281217FCA5FE45A7E1818D" box="[783,914,404,429]" italics="true" pageId="5" pageNumber="100">T. modestus</emphasis>
</taxonomicName>
), lower number of supplementary organs (6
<emphasis id="B945EAFC1F281217FA2EFE45A1E8818C" box="[1412,1435,405,428]" italics="true" pageId="5" pageNumber="100">vs</emphasis>
<quantity id="4CC99B0B1F281217FF3DFE68A49181F0" box="[151,226,439,464]" metricMagnitude="-1" metricUnit="m" metricValue="1.905" metricValueMax="2.032" metricValueMin="1.778" pageId="5" pageNumber="100" unit="in" value="7.5" valueMax="8.0" valueMin="7.0">7–8 in</quantity>
<taxonomicName id="4C314D6D1F281217FF46FE69A50081F0" box="[236,371,439,464]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="modestus">
<emphasis id="B945EAFC1F281217FF46FE69A50081F0" box="[236,371,439,464]" italics="true" pageId="5" pageNumber="100">T. modestus</emphasis>
</taxonomicName>
) and presence of subterminal setae on the tail (
<bibRefCitation id="EFA04B1F1F281217FC0FFE67A03B81F0" author="Gagarin" box="[933,1096,439,464]" pageId="5" pageNumber="100" refString="Gagarin, V. G. (1996) Free-living nematodes from some water bodies of Taimyr Peninsula. Zoologicheskii Zhurnal, 75, 323 - 334." type="journal article" year="1996">Gagarin 1996</bibRefCitation>
). From the second species
<taxonomicName id="4C314D6D1F281217FA2DFE69A57081D5" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F281217FA2DFE69A57081D5" italics="true" pageId="5" pageNumber="100">T. methanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27657871F281217FEA0FE0CA53A81D4" box="[266,329,476,501]" pageId="5" pageNumber="100" rank="species">
<emphasis id="B945EAFC1F281217FEA0FE0CA53181D5" bold="true" box="[266,322,476,501]" pageId="5" pageNumber="100">sp. n</emphasis>
.
</taxonomicNameLabel>
differs in the thicker body (
<emphasis id="B945EAFC1F281217FD2CFE0DA6E781D4" box="[646,660,477,500]" italics="true" pageId="5" pageNumber="100">a</emphasis>
= 20–29
<emphasis id="B945EAFC1F281217FCAAFE0DA75E81D4" box="[768,813,477,500]" italics="true" pageId="5" pageNumber="100">vs a</emphasis>
=
<quantity id="4CC99B0B1F281217FCE6FE0CA7C381D5" box="[844,944,476,501]" metricMagnitude="0" metricUnit="m" metricValue="1.1684" metricValueMax="1.4478" metricValueMin="0.889" pageId="5" pageNumber="100" unit="in" value="46.0" valueMax="57.0" valueMin="35.0">35–57 in</quantity>
<taxonomicName id="4C314D6D1F281217FC1DFE0DA03481D4" box="[951,1095,477,500]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="incognitus">
<emphasis id="B945EAFC1F281217FC1DFE0DA03481D4" box="[951,1095,477,500]" italics="true" pageId="5" pageNumber="100">T. incognitus</emphasis>
</taxonomicName>
), longer pharynx (
<emphasis id="B945EAFC1F281217FAB1FE0CA15A81D5" box="[1307,1321,476,501]" italics="true" pageId="5" pageNumber="100">b</emphasis>
= 3.4–4.4
<emphasis id="B945EAFC1F281217FF3DFDD1A4B48238" box="[151,199,511,536]" italics="true" pageId="5" pageNumber="100">vs b</emphasis>
=
<quantity id="4CC99B0B1F281217FF47FE2FA5118238" box="[237,354,511,536]" metricMagnitude="-1" metricUnit="m" metricValue="1.3842999999999999" metricValueMax="1.4731999999999998" metricValueMin="1.2953999999999999" pageId="5" pageNumber="100" unit="in" value="5.449999999999999" valueMax="5.8" valueMin="5.1">5.1–5.8 in</quantity>
<taxonomicName id="4C314D6D1F281217FEC7FDD1A6728238" box="[365,513,513,536]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="incognitus">
<emphasis id="B945EAFC1F281217FEC7FDD1A6728238" box="[365,513,513,536]" italics="true" pageId="5" pageNumber="100">T. incognitus</emphasis>
</taxonomicName>
), shorter outer labial setae (3–4 µm long
<emphasis id="B945EAFC1F281217FC59FDD1A0798238" box="[1011,1034,513,536]" italics="true" pageId="5" pageNumber="100">vs</emphasis>
10 µm long in
<taxonomicName id="4C314D6D1F281217FB61FDD1A12C8238" box="[1227,1375,513,536]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="incognitus">
<emphasis id="B945EAFC1F281217FB61FDD1A12C8238" box="[1227,1375,513,536]" italics="true" pageId="5" pageNumber="100">T. incognitus</emphasis>
</taxonomicName>
) and presence of crystalloids (
<bibRefCitation id="EFA04B1F1F281217FE07FDF4A603821C" author="Tsalolikhin" box="[429,624,548,573]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1972) New species of freshwater nematodes from Lake Baikal. Zoologicheskii Zhurnal, 51 (10), 1559 - 1563. [In Russia]" type="journal article" year="1972">Tsalolikhin 1972</bibRefCitation>
).
</paragraph>
<paragraph id="8B8E36EE1F281217FF6DFD97A62A8335" blockId="5.[151,1437,151,789]" pageId="5" pageNumber="100">
<emphasis id="B945EAFC1F281217FF6DFD97A5D88240" bold="true" box="[199,427,583,608]" pageId="5" pageNumber="100">Faunistic remarks.</emphasis>
At present, the genus
<taxonomicName id="4C314D6D1F281217FD1EFD97A7B88240" authority="Andrassy, 1959" authorityName="Andrassy" authorityYear="1959" box="[692,971,583,608]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="genus">
<emphasis id="B945EAFC1F281217FD1EFD97A77D8240" box="[692,782,583,608]" italics="true" pageId="5" pageNumber="100">Tobrilus</emphasis>
<bibRefCitation id="EFA04B1F1F281217FCB0FD97A7B88240" author="Andrassy" box="[794,971,583,608]" pageId="5" pageNumber="100" refString="Andrassy, I. (1959) Neubenennungen einiger homonymen Nematoden-Gattungen. Nematologica. 4, 223 - 226. http: // dx. doi. org / 10.1163 / 187529259 X 00255" type="journal article" year="1959">Andrássy, 1959</bibRefCitation>
</taxonomicName>
contains 21–23 valid species (
<bibRefCitation id="EFA04B1F1F281217FA9BFD97A4A182A4" author="Andrassy" pageId="5" pageNumber="100" refString="Andrassy, I. (2007) Free-living nematodes of Hungary (Nematoda errantia). II. Hungarian Natural History Museum and Systematic Zoology Reseach Group of the Hungarian Academy of Sciences. Budapest, 497 pp." type="book" year="2007">Andrássy 2007</bibRefCitation>
,
<bibRefCitation id="EFA04B1F1F281217FF77FDBCA51D82A5" author="Zullini" box="[221,366,620,645]" pageId="5" pageNumber="100" refString="Zullini, A. (2006) Order Triplonchida. In: Freshwater nematodes. Ecology and taxonomy. CABI-publishing, pp. 293 - 325. http: // dx. doi. org / 10.1079 / 9780851990095.0293" type="book chapter" year="2006">Zullini 2006</bibRefCitation>
). Nine species have been found in the Lake Baikal:
<taxonomicName id="4C314D6D1F281217FC12FDBDA17182A4" authority="Tsalolikhin, 1974" authorityName="Tsalolikhin" authorityYear="1974" box="[952,1282,620,645]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="amabilis">
<emphasis id="B945EAFC1F281217FC12FDBDA04782A5" box="[952,1076,620,645]" italics="true" pageId="5" pageNumber="100">T. amabilis</emphasis>
<bibRefCitation id="EFA04B1F1F281217FB96FDBCA17182A4" author="Tsalolikhin" box="[1084,1282,620,645]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1974) New species of freshwater nematodes-commensals of baikalian sponges. Zoologicheskii Zhurnal, 53 (7), 1081 - 1085. [In Russian]" type="journal article" year="1974">Tsalolikhin, 1974</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FAA4FDBDA5158288" authority="Tsalolikhin, 1975" authorityName="Tsalolikhin" authorityYear="1975" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="bekmanae">
<emphasis id="B945EAFC1F281217FAA4FDBDA1EF82A5" box="[1294,1436,620,645]" italics="true" pageId="5" pageNumber="100">T. bekmanae</emphasis>
<bibRefCitation id="EFA04B1F1F281217FF3DFD5FA5158288" author="Tsalolikhin" box="[151,358,655,680]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1975) New species from Lake Baikal abyssal zone. Zoologicheskii Zhurnal, 54 (5), 771 - 775. [In Russian]" type="journal article" year="1975">Tsalolikhin, 1975</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FED0FD41A6828288" authority="Tsalolikhin, 1972" authorityName="Tsalolikhin" authorityYear="1972" box="[378,753,655,680]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="incognitus">
<emphasis id="B945EAFC1F281217FED0FD41A6618288" box="[378,530,657,680]" italics="true" pageId="5" pageNumber="100">T. incognitus</emphasis>
<bibRefCitation id="EFA04B1F1F281217FD88FD5FA6828288" author="Tsalolikhin" box="[546,753,655,680]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1972) New species of freshwater nematodes from Lake Baikal. Zoologicheskii Zhurnal, 51 (10), 1559 - 1563. [In Russia]" type="journal article" year="1972">Tsalolikhin, 1972</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FCAFFD41A0398288" authority="Tsalolikhin, 1974" authorityName="Tsalolikhin" authorityYear="1974" box="[773,1098,655,680]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="latens">
<emphasis id="B945EAFC1F281217FCAFFD41A71F8288" box="[773,876,655,680]" italics="true" pageId="5" pageNumber="100">T. latens</emphasis>
<bibRefCitation id="EFA04B1F1F281217FCD1FD5FA0398288" author="Tsalolikhin" box="[891,1098,655,680]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1974) New species of freshwater nematodes-commensals of baikalian sponges. Zoologicheskii Zhurnal, 53 (7), 1081 - 1085. [In Russian]" type="journal article" year="1974">Tsalolikhin, 1974</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FBF4FD41A53F82EC" authority="Gagarin &amp; Naumova, 2011" authorityName="Gagarin &amp; Naumova" authorityYear="2011" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="longisetosus">
<emphasis id="B945EAFC1F281217FBF4FD41A17E8288" box="[1118,1293,655,680]" italics="true" pageId="5" pageNumber="100">T. longisetosus</emphasis>
Gagarin &amp; Naumova, 2011
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FEF2FD65A6BC82EC" authority="Tsalolikhin, 1977" authorityName="Tsalolikhin" authorityYear="1977" box="[344,719,692,717]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="macramphis">
<emphasis id="B945EAFC1F281217FEF2FD65A58C82ED" box="[344,511,692,717]" italics="true" pageId="5" pageNumber="100">T. macramphis</emphasis>
<bibRefCitation id="EFA04B1F1F281217FDADFD64A6BC82EC" author="Tsalolikhin" box="[519,719,692,717]" pageId="5" pageNumber="100" refString="Tsalolikhin, S. Ya. (1977) New species of nematodes from Lake Baikal. Zoologicheskii Zhurnal, 56 (7), 989 - 995. [In Russian]" type="journal article" year="1977">Tsalolikhin, 1977</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FD70FD65A0FA82EC" authority="Gagarin &amp; Naumova, 2011" authorityName="Gagarin &amp; Naumova" authorityYear="2011" box="[730,1161,692,717]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="securus">
<emphasis id="B945EAFC1F281217FD70FD65A73F82EC" box="[730,844,693,716]" italics="true" pageId="5" pageNumber="100">T. securus</emphasis>
Gagarin &amp; Naumova, 2011
</taxonomicName>
,
<taxonomicName id="4C314D6D1F281217FB3FFD65A4BC82D0" authority="Shoshin, 1988" authorityName="Shoshin" authorityYear="1988" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="undophylus">
<emphasis id="B945EAFC1F281217FB3FFD65A14182ED" box="[1173,1330,692,717]" italics="true" pageId="5" pageNumber="100">T. undophylus</emphasis>
Shoshin, 1988
</taxonomicName>
and
<taxonomicName id="4C314D6D1F281217FEA1FD09A5E682D0" box="[267,405,727,752]" class="Adenophorea" family="Tripylidae" genus="Tobrilus" kingdom="Animalia" order="Enoplida" pageId="5" pageNumber="100" phylum="Nematoda" rank="species" species="methanus" status="sp. nov.">
<emphasis id="B945EAFC1F281217FEA1FD09A5E682D0" box="[267,405,727,752]" italics="true" pageId="5" pageNumber="100">T. methanus</emphasis>
</taxonomicName>
<emphasis id="B945EAFC1F281217FE35FD07A59182D0" bold="true" box="[415,482,727,752]" pageId="5" pageNumber="100">
<taxonomicNameLabel id="A27657871F281217FE35FD07A59182D0" box="[415,482,727,752]" pageId="5" pageNumber="100" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
Morphometrics of these nine species are given in
<tableCitation id="C6B303551F281217FB9AFD07A0FA82D0" box="[1072,1161,727,752]" captionStart="TABLE 2" captionStartId="5.[151,239,836,859]" captionTargetBox="[151,1373,886,1339]" captionTargetPageId="5" captionText="TABLE 2. Diagnostic morphometric characters of males of Tobrilus species from Lake Baikal." httpUri="http://table.plazi.org/id/DF4E66661F281217FF3DFC94A0FC837B" pageId="5" pageNumber="100" tableUuid="DF4E66661F281217FF3DFC94A0FC837B">Table 2</tableCitation>
; a dichotomous key for determination of species is given below.
</paragraph>
</subSubSection>
</treatment>
</document>
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