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<document id="B2B368A47B81EDE351B56BB60D5990FB" ID-DOI="10.11646/zootaxa.2096.1.11" ID-ISSN="1175-5326" ID-Zenodo-Dep="5322110" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629620739718" checkinUser="felipe" docAuthor="Miljutin, Dmitry M. &amp; Miljutina, Maria A." docDate="2009" docId="038D817DFFBCFFE2A69FFB62FDB7F861" docLanguage="en" docName="zt02096p196.pdf" docOrigin="Zootaxa 2096 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.2096.1.11" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Bathynema nodinauti Miljutin &amp; Miljutina, 2009, gen. n." docType="treatment" docVersion="4" lastPageNumber="176" masterDocId="FFB4F905FFBEFFE1A608FFA0FF86FF8E" masterDocTitle="Description of Bathynema nodinauti gen. n., sp. n. and four new Trophomera species (Nematoda: Benthimermithidae) from the Clarion-Clipperton Fracture Zone (Eastern Tropic Pacific), supplemented with the keys to genera and species *" masterLastPageNumber="196" masterPageNumber="173" pageNumber="175" updateTime="1699084619048" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="A1726E0D3349883C59BD75F12EEF7EF7">Description of Bathynema nodinauti gen. n., sp. n. and four new Trophomera species (Nematoda: Benthimermithidae) from the Clarion-Clipperton Fracture Zone (Eastern Tropic Pacific), supplemented with the keys to genera and species *</mods:title>
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<mods:namePart id="E7F06B76ECDFC300655BFB05A322608D">Miljutin, Dmitry M.</mods:namePart>
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<mods:namePart id="023C930E03374319A050D5A4E2B5DD3B">Miljutina, Maria A.</mods:namePart>
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<treatment id="038D817DFFBCFFE2A69FFB62FDB7F861" LSID="urn:lsid:plazi:treatment:038D817DFFBCFFE2A69FFB62FDB7F861" httpUri="http://treatment.plazi.org/id/038D817DFFBCFFE2A69FFB62FDB7F861" lastPageId="3" lastPageNumber="176" pageId="2" pageNumber="175">
<subSubSection id="C33E63E0FFBCFFE3A69FFB62FDC7FB52" box="[151,577,1218,1244]" pageId="2" pageNumber="175" type="nomenclature">
<paragraph id="8B9B306BFFBCFFE3A69FFB62FDC7FB52" blockId="2.[151,577,1218,1279]" box="[151,577,1218,1244]" pageId="2" pageNumber="175">
<heading id="D0D38707FFBCFFE3A69FFB62FDC7FB52" bold="true" box="[151,577,1218,1244]" fontSize="11" level="1" pageId="2" pageNumber="175" reason="1">
<emphasis id="B950EC79FFBCFFE3A69FFB62FDC7FB52" bold="true" box="[151,577,1218,1244]" pageId="2" pageNumber="175">
<taxonomicName id="4C244BE8FFBCFFE3A69FFB62FE18FB52" authorityName="Miljutin &amp; Miljutina" authorityYear="2009" box="[151,414,1218,1244]" class="Chromadorea" family="Benthimermithidae" genus="Bathynema" higherTaxonomySource="CoL" kingdom="Animalia" order="Benthimermithida" pageId="2" pageNumber="175" phylum="Nematoda" rank="species" species="nodinauti" status="gen. nov.">
<emphasis id="B950EC79FFBCFFE3A69FFB62FE18FB52" bold="true" box="[151,414,1218,1244]" italics="true" pageId="2" pageNumber="175">Bathynema nodinauti</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2635102FFBCFFE3A7ADFB62FE71FB52" box="[421,503,1218,1244]" pageId="2" pageNumber="175" rank="genus">gen. n.</taxonomicNameLabel>
sp. n.
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C33E63E0FFBCFFE2A69FFB45FDB7F861" lastPageId="3" lastPageNumber="176" pageId="2" pageNumber="175" type="description">
<paragraph id="8B9B306BFFBCFFE3A69FFB45FEE5FB71" blockId="2.[151,577,1218,1279]" box="[151,355,1253,1279]" pageId="2" pageNumber="175">
<figureCitation id="131F2CEEFFBCFFE3A69FFB45FF79FB71" box="[151,255,1253,1279]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="4.[151,265,2008,2034]" captionStartId-1="5.[151,255,1976,2000]" captionTargetBox-0="[497,1082,165,1979]" captionTargetBox-1="[209,1381,159,1955]" captionTargetId-0="figure-33@4.[497,1082,165,1979]" captionTargetId-1="figure-49@5.[209,1381,159,1955]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURE 1. Bathynema nodinauti gen. n. sp. n., male, holotype, total view." captionText-1="FIGURE 2. Bathynema nodinauti gen. n. sp. n., male, holotype. A, anterior end, lateral view; B, anterior end laterally, surface view; C, anterior end, frontal view; D, posterior end; E, spicula." figureDoi-0="http://doi.org/10.5281/zenodo.5322114" figureDoi-1="http://doi.org/10.5281/zenodo.5322116" httpUri-0="https://zenodo.org/record/5322114/files/figure.png" httpUri-1="https://zenodo.org/record/5322116/files/figure.png" pageId="2" pageNumber="175">Figs 12</figureCitation>
;
<tableCitation id="C6A605D0FFBCFFE3A704FB45FEE5FB71" box="[268,355,1253,1279]" captionStart="TABLE 1" captionStartId="3.[151,241,841,865]" captionText="TABLE 1. Main measurements and characteristics of Bathynema nodinauti gen. n. sp. n., (male, holotype)." pageId="2" pageNumber="175">Table 1</tableCitation>
</paragraph>
<paragraph id="8B9B306BFFBCFFE3A69FFA93FBB4FAC2" blockId="2.[151,1436,1330,2014]" box="[151,1074,1330,1356]" pageId="2" pageNumber="175">
<emphasis id="B950EC79FFBCFFE3A69FFA93FEC5FAC2" box="[151,323,1331,1356]" italics="true" pageId="2" pageNumber="175">Type material:</emphasis>
<materialsCitation id="3B4C3A36FFBCFFE3A741FA92FBB4FAC2" box="[329,1074,1330,1356]" pageId="2" pageNumber="175" specimenCode="MNHN-BN493" specimenCount="1" typeStatus="holotype">
<typeStatus id="549F8EC9FFBCFFE3A741FA92FE3CFAC2" box="[329,442,1330,1356]" pageId="2" pageNumber="175" type="holotype">Holotype</typeStatus>
: one mature male, collection number
<specimenCode id="DB829810FFBCFFE3A57BFA92FBAAFAC2" box="[883,1068,1330,1356]" collectionCode="MNHN-BN" pageId="2" pageNumber="175">MNHN-BN493</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8B9B306BFFBCFFE3A6CEFAF9FEBCFA14" blockId="2.[151,1436,1330,2014]" pageId="2" pageNumber="175">
<emphasis id="B950EC79FFBCFFE3A6CEFAF9FEE1FAFC" box="[198,359,1369,1394]" italics="true" pageId="2" pageNumber="175">
<typeStatus id="549F8EC9FFBCFFE3A6CEFAF9FF7BFAFC" box="[198,253,1369,1394]" pageId="2" pageNumber="175">Type</typeStatus>
locality:
</emphasis>
Polymetallic nodule area,
<geoCoordinate id="EE1056ACFFBCFFE3A4ADFAF9FCA5FAFD" box="[677,803,1368,1395]" degrees="14" direction="north" minutes="02.7" orientation="latitude" pageId="2" pageNumber="175" precision="92" value="14.045">14°02.7N</geoCoordinate>
,
<geoCoordinate id="EE1056ACFFBCFFE3A527FAF9FC49FAFD" box="[815,975,1368,1395]" degrees="130" direction="west" minutes="07.73" orientation="longitude" pageId="2" pageNumber="175" precision="9" value="-130.12883">130°07.73W</geoCoordinate>
,
<quantity id="4CDC9D8EFFBCFFE3A5D3FAF9FBB3FAFD" box="[987,1077,1369,1395]" metricMagnitude="3" metricUnit="m" metricValue="4.95" pageId="2" pageNumber="175" unit="m" value="4950.0">4950 m</quantity>
depth,
<date id="FF9A16ABFFBCFFE3A286FAF9FA93FAFD" box="[1166,1301,1369,1395]" pageId="2" pageNumber="175" value="2004-03-06">03.06.2004</date>
, multicorer #16, corer #4.
</paragraph>
<paragraph id="8B9B306BFFBCFFE3A6CEFA07FCBEFA4E" blockId="2.[151,1436,1330,2014]" box="[198,824,1446,1472]" pageId="2" pageNumber="175">
<emphasis id="B950EC79FFBCFFE3A6CEFA07FECBFA4E" box="[198,333,1447,1472]" italics="true" pageId="2" pageNumber="175">Etymology:</emphasis>
In honor of NODINAUT research cruise.
</paragraph>
<paragraph id="8B9B306BFFBCFFE2A6CEFA6DFEBBFD26" blockId="2.[151,1436,1330,2014]" lastBlockId="3.[151,1436,152,758]" lastPageId="3" lastPageNumber="176" pageId="2" pageNumber="175">
<emphasis id="B950EC79FFBCFFE3A6CEFA6DFEDDFA68" box="[198,347,1485,1510]" italics="true" pageId="2" pageNumber="175">Description:</emphasis>
Male. Body cylindrical, with thickest body part at anterior half of body; anterior end rounded, posterior end cone-shaped with thick and short cylindrical terminal part approximately 1/4 of tail, length rounded at its tip. Cuticle 2 µm thick and showing transverse striation along whole body length. Four short submedian cephalic setae 4 µm long inserted in tiny pits. Flat cervical lateral alae present at level of anterior part of pharynx, beginning at approximately 2/5 distance from anterior end to amphid and about 0.5 c.b.d. wide at level of amphid. Each lateral ala anteriorly single-lobed (approximately 2/5 ala length) and posteriorly bilobed (approximately 3/5 ala length). Amphid located at beginning of bilobed part of alae and between the lobes i.e. at approximately 1.6 c.b.d. from anterior end. Amphidial aperture round, 3.5 µm in diameter;
<emphasis id="B950EC79FFBCFFE3A705F8A3FE75F892" box="[269,499,1795,1820]" italics="true" pageId="2" pageNumber="175">canalis amphidialis</emphasis>
with thick cuticular walls at distal part but gradually becoming thinner towards proximal end of the amphidial canal. Single lateral cervical short setae 3.03.5 µm long present between both posterior lobes of each ala at nearly double distance from anterior end to amphidial aperture. Mouth opening reduced to indistinct intracuticular apical tube. Pharynx slightly enlarged towards its posterior end and bipartite i.e. consisting of a short atrophied anterior part (1015% of total length of pharynx) devoid of muscle cells and inner lumen and visible as a cellular mass, and a long posterior muscular part provided with an axial inner lumen and surrounded by longitudinal muscles; this inner lumen also irregular with wide and narrow parts, as well as meandering. Several large hyaline cells situated around posterior part of pharynx. Nerve ring located at level of middle of pharynx. Two large hyaline cells approximately 0.5 c.b.d. in diameter located at anterior part of midgut; each cell with a large single nucleus and a single nucleolus. Cardia absent. Midgut an oligocellular trophosome without visible internal lumen and obviously consisting of 1 row of large cells, except most anterior part consisting of several small trophosomal cells. All trophosomal cells containing large hyaline granules; borders between cells distinct. Male reproductive system diorchic, occupying approximately 2/3 of total body length and consisting of two outstretched testes (each about 450 µm long) arranged consecutively in tandem and connected by joint spermaduct (130 µm long),
<emphasis id="B950EC79FFBDFFE2A215FE6DFB28FE68" box="[1053,1198,461,486]" italics="true" pageId="3" pageNumber="176">vas deferens</emphasis>
(650 µm long), and two spicules. Spicules moderately bent, consisting of long, relatively optically dense
<emphasis id="B950EC79FFBDFFE2A2B8FE54FA82FD83" box="[1200,1284,500,525]" italics="true" pageId="3" pageNumber="176">lamina</emphasis>
and a short, funnel-shaped, relatively hyaline, proximal part (
<emphasis id="B950EC79FFBDFFE2A505FDBAFC0CFDBD" box="[781,906,538,563]" italics="true" pageId="3" pageNumber="176">capitulum</emphasis>
).
<emphasis id="B950EC79FFBDFFE2A5A0FDBAFBAAFDBD" box="[936,1068,538,563]" italics="true" pageId="3" pageNumber="176">Capitulum</emphasis>
ventrally bent and evidently representing a flexible structure (this supposition is based on the location of
<emphasis id="B950EC79FFBDFFE2A220FDE1FB18FDD4" box="[1064,1182,577,602]" italics="true" pageId="3" pageNumber="176">capitulum</emphasis>
at different angles in different spicules). Four midventral short supplementary setae present anterior to cloacal opening. Caudal glands absent.
</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6CEFD15FEFCFD41" blockId="3.[151,1436,152,758]" box="[198,378,693,719]" pageId="3" pageNumber="176">Host unknown.</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6CEFD7CFDDBFD78" blockId="3.[151,1436,152,758]" box="[198,605,732,758]" pageId="3" pageNumber="176">Female, juvenile stages: unknown.</paragraph>
<caption id="DF5B60E3FFBDFFE2A69FFCE9FA97FCEF" box="[151,1297,841,865]" pageId="3" pageNumber="176" startId="3.[151,241,841,865]">
<paragraph id="8B9B306BFFBDFFE2A69FFCE9FA97FCEF" blockId="3.[151,1315,841,1663]" box="[151,1297,841,865]" pageId="3" pageNumber="176">
<emphasis id="B950EC79FFBDFFE2A69FFCE9FE8AFCEF" bold="true" box="[151,268,841,865]" pageId="3" pageNumber="176">TABLE 1.</emphasis>
Main measurements and characteristics of
<taxonomicName id="4C244BE8FFBDFFE2A4D2FCEAFC38FCEF" authorityName="Miljutin &amp; Miljutina" authorityYear="2009" box="[730,958,842,865]" class="Chromadorea" family="Benthimermithidae" genus="Bathynema" higherTaxonomySource="CoL" kingdom="Animalia" order="Benthimermithida" pageId="3" pageNumber="176" phylum="Nematoda" rank="species" species="nodinauti" status="gen. nov.">
<emphasis id="B950EC79FFBDFFE2A4D2FCEAFC38FCEF" box="[730,958,842,865]" italics="true" pageId="3" pageNumber="176">Bathynema nodinauti</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2635102FFBDFFE2A5CDFCEAFB8BFCEF" box="[965,1037,842,865]" pageId="3" pageNumber="176" rank="genus">gen. n.</taxonomicNameLabel>
sp. n., (male, holotype).
</paragraph>
</caption>
<paragraph id="8B9B306BFFBDFFE2A6A8FCDEFAA5FC1D" blockId="3.[151,1315,841,1663]" box="[160,1315,893,915]" pageId="3" pageNumber="176">Degree of maturity gravid</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FC06FA9AFC34" blockId="3.[151,1315,841,1663]" box="[160,1308,932,955]" pageId="3" pageNumber="176">L, µm 2670</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FC6DFA9FFC6C" blockId="3.[151,1315,841,1663]" box="[160,1305,972,994]" pageId="3" pageNumber="176">a 65.0</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FC54FA9FFB87" blockId="3.[151,1315,841,1663]" box="[160,1305,1011,1033]" pageId="3" pageNumber="176">c 26.0</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FBBAFA92FBBE" blockId="3.[151,1315,841,1663]" box="[160,1300,1050,1072]" pageId="3" pageNumber="176">c' 3.2</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FBE0FA96FBD8" blockId="3.[151,1315,841,1663]" box="[160,1296,1088,1110]" pageId="3" pageNumber="176">Ratio of length of genital system / total body length, % 70</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FBC7FA96FBF3" blockId="3.[151,1315,841,1663]" box="[160,1296,1127,1149]" pageId="3" pageNumber="176">Amph.dist. 51</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FB2DFA92FB2D" blockId="3.[151,1315,841,1663]" box="[160,1300,1165,1187]" pageId="3" pageNumber="176">Cephalic sensilla length, mkm 4.0</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FB16FEF7FB42" blockId="3.[151,1315,841,1663]" box="[160,369,1206,1228]" pageId="3" pageNumber="176">Spicule length (µm):</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDFB7FFA96FB7B" blockId="3.[151,1315,841,1663]" box="[213,1296,1247,1269]" pageId="3" pageNumber="176">in chord 43</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDFAA5FA96FA95" blockId="3.[151,1315,841,1663]" box="[213,1296,1285,1307]" pageId="3" pageNumber="176">in arc 51</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FA8EFA92FACC" blockId="3.[151,1315,841,1663]" box="[160,1300,1324,1348]" pageId="3" pageNumber="176">Amphidial aperture diameter, µm 3.5</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FAF6FA96FAE4" blockId="3.[151,1315,841,1663]" box="[160,1296,1364,1388]" pageId="3" pageNumber="176">Maximal body diameter, µm 45</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6A8FADEFE64FA1A" blockId="3.[151,1315,841,1663]" box="[160,482,1406,1428]" pageId="3" pageNumber="176">Body diameter (µm) at level of:</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDFA07FA96FA33" blockId="3.[151,1315,841,1663]" box="[213,1296,1447,1469]" pageId="3" pageNumber="176">cephalic sensilla 16</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDFA6EFA96FA6A" blockId="3.[151,1315,841,1663]" box="[213,1296,1486,1508]" pageId="3" pageNumber="176">amphid 36</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDFA55FA96F985" blockId="3.[151,1315,841,1663]" box="[213,1296,1525,1547]" pageId="3" pageNumber="176">1/4 body length 45</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDF9BBFA96F9BF" blockId="3.[151,1315,841,1663]" box="[213,1296,1563,1585]" pageId="3" pageNumber="176">midbody 44</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDF9E2FA96F9D6" blockId="3.[151,1315,841,1663]" box="[213,1296,1602,1624]" pageId="3" pageNumber="176">3/4 body length 42</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6DDF9C9FA96F9F1" blockId="3.[151,1315,841,1663]" box="[213,1296,1641,1663]" pageId="3" pageNumber="176">anus 32</paragraph>
<paragraph id="8B9B306BFFBDFFE2A6CEF94EFDB7F861" blockId="3.[151,1436,1773,2031]" pageId="3" pageNumber="176">
<emphasis id="B950EC79FFBDFFE2A6CEF94EFEB0F889" box="[198,310,1774,1799]" italics="true" pageId="3" pageNumber="176">Remarks:</emphasis>
Two large hyaline cells at level of anterior part of midgut may be considered as cellular bodies of secretory-excretory system (renetta). However, neither channel nor outlet of renetta has been found. However, these hyaline cells may be also interpreted as a vestigial dorsal gland. In earlier larvae of benthimermithids, this gland together with a stylet in the anterior part of pharynx forms a complex whereby larvae penetrate into hosts internal issues (
<bibRefCitation id="EFB54D9AFFBDFFE2A492F828FCDDF82C" author="Chesunov" box="[666,859,1928,1954]" firstAuthor="Chesunov" pageId="3" pageNumber="176" pagination="440 - 455" refId="ref9378" refString="Chesunov, A. V. (1997) Marimermithids (Nematoda): anatomy, taxonomy, and phylogeny. Russian Journal of Zoology, 1, 440 - 455." type="journal article" year="1997">Chesunov 1997</bibRefCitation>
). This complex usually disappears at later larval stages, however, some mass of hyaline cells located between the pharynx and trophosome was also noted in male of
<taxonomicName id="4C244BE8FFBDFFE2A6FFF876FDA8F861" authority="(Petter 1983 b)" authorityName="Petter" authorityYear="1983" baseAuthorityName="Petter" baseAuthorityYear="1983" box="[247,558,2005,2031]" class="Chromadorea" family="Benthimermithidae" genus="Trophomera" higherTaxonomySource="CoL" kingdom="Animalia" order="Benthimermithida" pageId="3" pageNumber="176" phylum="Nematoda" rank="species" species="australis">
<emphasis id="B950EC79FFBDFFE2A6FFF876FEFCF861" box="[247,378,2006,2031]" italics="true" pageId="3" pageNumber="176">T. australis</emphasis>
(
<bibRefCitation id="EFB54D9AFFBDFFE2A781F875FDA3F861" author="Petter" box="[393,549,2005,2031]" firstAuthor="Petter" pageId="3" pageNumber="176" pagination="1 - 15" refId="ref9930" refString="Petter, A. - J. (1983 b) Quelques nouvelles especes du genre Benthimermis Petter, 1980 (Benthimermithidae: Nematoda) du Sud de l'Ocean Indien. Systematic Parasitology, 5, 1 - 15." type="journal article" year="1983" yearSuffix="b">Petter 1983b</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>