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<document id="AD4E3F4BC58D52FB94C34EF59EE0E3F3" ID-CLB-Dataset="30147" ID-DOI="10.11646/zootaxa.4415.2.8" ID-GBIF-Dataset="d6493b37-f3d9-453c-a987-d893fd76c4d4" ID-ISSN="1175-5326" ID-Zenodo-Dep="1242028" ID-ZooBank="AA0C8BA5-F4DC-4559-A26A-1F6BC133A0EA" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1525599987503" checkinUser="plazi" docAuthor="Uyeno, Daisuke &amp; Shimanaga, Motohiro" docDate="2018" docId="AF271C74FFFC223ABBDB3BC2FE9AE1B2" docLanguage="en" docName="zootaxa.4415.2.8.pdf" docOrigin="Zootaxa 4415 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Stygiopontius senokuchiae Uyeno &amp; Shimanaga 2018, n. sp." docType="treatment" docVersion="7" lastPageNumber="387" masterDocId="531E640CFFFE223CBB4C3B1CFFC8E576" masterDocTitle="A new dirivultid copepod (Siphonostomatoida) from hydrothermal vent fields of the Izu-Bonin Arc in the North Pacific Ocean" masterLastPageNumber="389" masterPageNumber="381" pageNumber="383" updateTime="1698541865006" updateUser="ExternalLinkService">
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<mods:title id="7274A97B8F4632C74F79B82833BA1E9D">A new dirivultid copepod (Siphonostomatoida) from hydrothermal vent fields of the Izu-Bonin Arc in the North Pacific Ocean</mods:title>
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<mods:namePart id="D4B4489E7AFF33EF0ADBF04642F608EB">Uyeno, Daisuke</mods:namePart>
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<treatment id="AF271C74FFFC223ABBDB3BC2FE9AE1B2" ID-DOI="http://doi.org/10.5281/zenodo.5967700" ID-GBIF-Taxon="143811370" ID-Zenodo-Dep="5967700" LSID="urn:lsid:plazi:treatment:AF271C74FFFC223ABBDB3BC2FE9AE1B2" httpUri="http://treatment.plazi.org/id/AF271C74FFFC223ABBDB3BC2FE9AE1B2" lastPageId="6" lastPageNumber="387" pageId="2" pageNumber="383">
<subSubSection id="6F94FEE9FFFC223EBBDB3BC2FEC3E46F" pageId="2" pageNumber="383" type="nomenclature">
<paragraph id="2731AD62FFFC223EBBDB3BC2FDEAE58E" blockId="2.[151,546,222,282]" box="[151,546,222,248]" pageId="2" pageNumber="383">
<heading id="7C791A0EFFFC223EBBDB3BC2FDEAE58E" bold="true" box="[151,546,222,248]" fontSize="11" level="1" pageId="2" pageNumber="383" reason="1">
<emphasis id="15FA7170FFFC223EBBDB3BC2FDEAE58E" bold="true" box="[151,546,222,248]" pageId="2" pageNumber="383">
<taxonomicName id="E08ED6E1FFFC223EBBDB3BC2FE10E58E" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[151,472,222,248]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="2" pageNumber="383" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFFC223EBBDB3BC2FE10E58E" bold="true" box="[151,472,222,248]" italics="true" pageId="2" pageNumber="383">Stygiopontius senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFFC223EBAAC3BC2FDEAE58E" box="[480,546,222,248]" pageId="2" pageNumber="383" rank="species">n. sp.</taxonomicNameLabel>
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<paragraph id="2731AD62FFFC223EBBDB3A1DFEC3E46F" blockId="2.[151,546,222,282]" box="[151,267,257,282]" pageId="2" pageNumber="383">
(
<figureCitation id="BFB5B1E7FFFC223EBBD33A1DFECBE46F" box="[159,259,257,282]" captionStart-0="FIGURE 2" captionStart-1="FIGURE3" captionStart-2="FIGURE 4" captionStartId-0="3.[151,250,1905,1927]" captionStartId-1="4.[151,250,1942,1964]" captionStartId-2="5.[151,250,1945,1967]" captionTargetBox-0="[201,1389,193,1881]" captionTargetBox-1="[187,1403,201,1919]" captionTargetBox-2="[167,1426,637,1896]" captionTargetId-0="figure@3.[192,1395,193,1894]" captionTargetId-1="figure@4.[182,1404,193,1921]" captionTargetId-2="figure@5.[152,1435,625,1924]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." captionText-1="FIGURE3. Stygiopontius senokuchiae n. sp.adult female,holotype (NSMT-Cr 26842).A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal.Scale barS:A, F, 30 µm; BE, 40 µm." captionText-2="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri-0="https://zenodo.org/record/1242032/files/figure.png" httpUri-1="https://zenodo.org/record/1242034/files/figure.png" httpUri-2="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">
Figs
<bibRefCitation id="431FD093FFFC223EBB9B3A1DFF2DE46F" box="[215,229,257,281]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
4
</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="6F94FEE9FFFC223EBBDB3A55FEC8E484" pageId="2" pageNumber="383" type="materials_examined">
<paragraph id="2731AD62FFFC223EBBDB3A55FEC8E484" blockId="2.[151,1437,329,1218]" pageId="2" pageNumber="383">
<emphasis id="15FA7170FFFC223EBBDB3A55FE83E414" bold="true" box="[151,331,329,354]" pageId="2" pageNumber="383">
<typeStatus id="F83513C0FFFC223EBBDB3A55FF1AE414" box="[151,210,329,354]" pageId="2" pageNumber="383">Type</typeStatus>
material.
</emphasis>
<typeStatus id="F83513C0FFFC223EBA143A55FE0DE414" box="[344,453,329,354]" pageId="2" pageNumber="383" type="holotype">Holotype</typeStatus>
: adult female (NSMT-Cr 26842), ex populations of
<taxonomicName id="E08ED6E1FFFC223EBF773A55FB37E417" authority="spp" authorityName="Spp" box="[1083,1279,329,354]" class="Polychaeta" family="Alvinellidae" genus="Paralvinella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="382" phylum="Annelida" rank="genus">
<emphasis id="15FA7170FFFC223EBF773A55FB0FE414" box="[1083,1223,329,354]" italics="true" pageId="2" pageNumber="383">Paralvinella</emphasis>
spp
</taxonomicName>
. (Polychaeta:
<taxonomicName id="E08ED6E1FFFC223EBBDB3A71FEEEE4F0" authorityName="Desbruyeres &amp; Laubier" authorityYear="1986" box="[151,294,365,390]" class="Polychaeta" family="Alvinellidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="383" phylum="Annelida" rank="family">Alvinellidae</taxonomicName>
), Myojin-sho Caldera (
<geoCoordinate id="42BACBA5FFFC223EB97A3A71FD0BE4F0" box="[566,707,365,390]" direction="north" orientation="latitude" pageId="2" pageNumber="383" precision="1" value="31.884033">31°53.042N</geoCoordinate>
,
<geoCoordinate id="42BACBA5FFFC223EB99E3A71FCA2E4F0" box="[722,874,365,390]" direction="east" orientation="longitude" pageId="2" pageNumber="383" precision="1" value="139.97034">139°58.220E</geoCoordinate>
), off northern Ogasawara Islands, North Pacific Ocean, depth
<quantity id="E0760087FFFC223EBA773A8DFE40E4DF" box="[315,392,401,426]" metricMagnitude="2" metricUnit="m" metricValue="7.95" pageId="2" pageNumber="383" unit="m" value="795.0">795 m</quantity>
,
<date id="53308BA2FFFC223EBAD43A8DFD8BE4DF" box="[408,579,401,426]" pageId="2" pageNumber="383" value="2013-04-24">24 April 2013</date>
.
<typeStatus id="F83513C0FFFC223EB91D3A8DFD70E4DC" box="[593,696,401,426]" pageId="2" pageNumber="383" type="allotype">Allotype</typeStatus>
: adult male (NSMT-Cr 26843), collection data same as that of
<typeStatus id="F83513C0FFFC223EBBDB3AA9FF35E4B8" box="[151,253,437,462]" pageId="2" pageNumber="383" type="holotype">holotype</typeStatus>
.
<typeStatus id="F83513C0FFFC223EBA473AAAFEB4E4B8" box="[267,380,438,462]" pageId="2" pageNumber="383" type="paratype">Paratypes</typeStatus>
: six adult females and five adult males (NSMT-Cr 26844), collection data same as that of
<typeStatus id="F83513C0FFFC223EBBDB3AC5FF35E484" box="[151,253,473,498]" pageId="2" pageNumber="383" type="holotype">holotype</typeStatus>
.
</paragraph>
</subSubSection>
<subSubSection id="6F94FEE9FFFC223ABB8B3AE1FE56E4DB" lastPageId="6" lastPageNumber="387" pageId="2" pageNumber="383" type="description">
<paragraph id="2731AD62FFFC223EBB8B3AE1FB42E79B" blockId="2.[151,1437,329,1218]" pageId="2" pageNumber="383">
<emphasis id="15FA7170FFFC223EBB8B3AE1FD46E760" bold="true" box="[199,654,509,534]" pageId="2" pageNumber="383">
Description of
<typeStatus id="F83513C0FFFC223EBA313AE1FE2BE760" box="[381,483,509,534]" pageId="2" pageNumber="383" type="holotype">holotype</typeStatus>
adult female.
</emphasis>
Body (
<figureCitation id="BFB5B1E7FFFC223EB9AA3AE1FCF4E760" box="[742,828,509,534]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB8543AE2FCEEE760" box="[792,806,510,534]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
A
</figureCitation>
) 792 long, cyclopiform composed of cephalothorax, second to fifth pedigerous somites, genital double somite, and 3-segmented abdomen. Cephalothorax wider than long, 391 × 455, bearing pair of posterolateral pointed processes. Second to fourth pedigerous somites gradually narrower. Prosome 556 long. Genital double somite (
<figureCitation id="BFB5B1E7FFFC223EB9A73975FC96E7F4" box="[747,862,617,642]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB8563976FCE0E7F4" box="[794,808,618,642]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
A, C
</figureCitation>
) slightly longer than wide, 125 × 115, bearing pair of conical, blunt process on lateral to genital openings and pair of pointed posterolateral processes. Abdomen (
<figureCitation id="BFB5B1E7FFFC223EBE393991FF28E7BC" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBBDB39AEFF6DE7BC" box="[151,165,690,714]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
A, C
</figureCitation>
) progressively narrower posteriorly, composed of three free somites, 50 × 88, 47 × 78, and 47 × 71, respectively. Caudal rami (
<figureCitation id="BFB5B1E7FFFC223EBA8F39C9FDF9E798" box="[451,561,725,750]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBABD39CAFDC8E798" box="[497,512,726,750]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
C, E
</figureCitation>
) 1.31 times longer than wide, 36 × 27, with six setae.
</paragraph>
<paragraph id="2731AD62FFFC223EBB8B39E6FB5BE10C" blockId="2.[151,1437,329,1218]" pageId="2" pageNumber="383">
Rostrum (
<figureCitation id="BFB5B1E7FFFC223EBA7A39E5FE4EE664" box="[310,390,761,786]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBA2839E6FEBBE664" box="[356,371,762,786]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
B
</figureCitation>
) bearing without distinct apex. Antennule (
<figureCitation id="BFB5B1E7FFFC223EB82239E5FC73E664" box="[878,955,761,786]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB8D039E6FC62E664" box="[924,938,762,786]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
F
</figureCitation>
) 12-segmented; armature formula 1, 2, 12, 8, 2, 4, 2, 2, 2, 2, 2 + 1 aesthetasc, and 14; all setae naked, except single plumose seta on fifth segment. Antenna (
<figureCitation id="BFB5B1E7FFFC223EBBD2385DFF3FE62C" box="[158,247,833,858]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBB98385EFF2AE62C" box="[212,226,834,858]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
G
</figureCitation>
) biramous, composed of coxa, basis, endopod, and exopod; coxa and basis unarmed; endopod 2- segmented, bearing single subterminal and three terminal setae; exopod unsegmented, bearing two setae. Oral cone (
<figureCitation id="BFB5B1E7FFFC223EBBD23895FF27E6D4" box="[158,239,905,930]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBB813896FF14E6D4" box="[205,220,906,930]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
B
</figureCitation>
) ovoid. Mandible (
<figureCitation id="BFB5B1E7FFFC223EBA853895FDD3E6D4" box="[457,539,905,930]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBAB43896FDCEE6D4" box="[504,518,906,930]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
H
</figureCitation>
) thin, slender, bearing row of spinules on subterminal part of inner margin and 10 distal teeth. Maxillule (
<figureCitation id="BFB5B1E7FFFC223EBA8C38B1FDC0E6B0" box="[448,520,941,966]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<date id="53308BA2FFFC223EBAA338B2FDC0E6B0" box="[495,520,942,966]" pageId="2" pageNumber="383">
<bibRefCitation id="431FD093FFFC223EBAA338B2FE36E6B0" box="[495,510,942,966]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
I
</date>
</figureCitation>
) bilobed: large inner lobe (endite) and small outer lobe (palp) bearing four setae, respectively. Maxilla (
<figureCitation id="BFB5B1E7FFFC223EBAD838CDFE16E69C" box="[404,478,977,1002]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBA8838CEFE1AE69C" box="[452,466,978,1002]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
J
</figureCitation>
) composed of syncoxa and claw; syncoxa robust bearing long seta near articulation with claw; claw elongate bearing spatulated and spinulated tip with spinules. Maxilliped (
<figureCitation id="BFB5B1E7FFFC223EBFFA38E9FAC4E178" box="[1206,1292,1013,1038]" captionStart="FIGURE3" captionStartId="4.[151,250,1942,1964]" captionTargetBox="[187,1403,201,1919]" captionTargetId="figure@4.[182,1404,193,1921]" captionTargetPageId="4" captionText="FIGURE3. Stygiopontius senokuchiae n. sp.adult female,holotype (NSMT-Cr 26842).A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal.Scale barS:A, F, 30 µm; BE, 40 µm." httpUri="https://zenodo.org/record/1242034/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBFA438EAFB3DE178" box="[1256,1269,1014,1038]" pageId="2" pageNumber="383" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
A
</figureCitation>
) subchelate, comprising syncoxa, basis, and 3-segmented endopod; syncoxa and basis bearing single seta, respectively; proximal endopodal segment bearing two tiny setae; middle segment of endopod bearing single seta; distal endopodal segment bearing single seta and claw with row of fine spinules on inner margin.
</paragraph>
<paragraph id="2731AD62FFFC223EBB8B3F9AFEB9E1B4" blockId="2.[151,1437,329,1218]" pageId="2" pageNumber="383">
Legs 1 to 4 (
<figureCitation id="BFB5B1E7FFFC223EBA1E3F99FE09E1E8" box="[338,449,1157,1182]" captionStart="FIGURE3" captionStartId="4.[151,250,1942,1964]" captionTargetBox="[187,1403,201,1919]" captionTargetId="figure@4.[182,1404,193,1921]" captionTargetPageId="4" captionText="FIGURE3. Stygiopontius senokuchiae n. sp.adult female,holotype (NSMT-Cr 26842).A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal.Scale barS:A, F, 30 µm; BE, 40 µm." httpUri="https://zenodo.org/record/1242034/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EBACC3F9AFE44E1E8" box="[384,396,1158,1182]" pageId="2" pageNumber="383" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
BE
</figureCitation>
) biramous; both rami bearing 3-segmented rami, except endopod of leg 4. Leg armature formula as follows:
</paragraph>
<paragraph id="2731AD62FFFC223EBA023E1DFB52E0EA" pageId="2" pageNumber="383">
<table id="558E5FC2FFFCDDC3BBD33E1DFB2FE0EA" box="[159,1255,1281,1436]" gridcols="5" gridrows="5" pageId="2" pageNumber="383">
<tr id="99BEAF20FFFCDDC3BBD33E1DFB2FE061" box="[159,1255,1281,1303]" gridrow="0" pageId="2" pageNumber="383" rowspan-0="1">
<th id="DA6FC65CFFFCDDC3BA023E1DFE4BE061" box="[334,387,1281,1303]" gridcol="1" gridrow="0" pageId="2" pageNumber="383">CoXa</th>
<th id="DA6FC65CFFFCDDC3B9793E1DFDA4E061" box="[565,620,1281,1303]" gridcol="2" gridrow="0" pageId="2" pageNumber="383">BaSiS</th>
<th id="DA6FC65CFFFCDDC3B8503E1DFC71E061" box="[796,953,1281,1303]" gridcol="3" gridrow="0" pageId="2" pageNumber="383">EXopod</th>
<th id="DA6FC65CFFFCDDC3BF053E1DFB2FE061" box="[1097,1255,1281,1303]" gridcol="4" gridrow="0" pageId="2" pageNumber="383">Endopod</th>
</tr>
<tr id="99BEAF20FFFCDDC3BBD33E36FB2FE036" box="[159,1255,1322,1344]" gridrow="1" pageId="2" pageNumber="383">
<th id="DA6FC65CFFFCDDC3BBD33E36FF11E036" box="[159,217,1322,1344]" gridcol="0" gridrow="1" pageId="2" pageNumber="383">Leg 1</th>
<td id="DA6FC65CFFFCDDC3BA023E36FE4BE036" box="[334,387,1322,1344]" gridcol="1" gridrow="1" pageId="2" pageNumber="383">0-1</td>
<td id="DA6FC65CFFFCDDC3B9793E36FDA4E036" box="[565,620,1322,1344]" gridcol="2" gridrow="1" pageId="2" pageNumber="383">1-1</td>
<td id="DA6FC65CFFFCDDC3B8503E36FC71E036" box="[796,953,1322,1344]" gridcol="3" gridrow="1" pageId="2" pageNumber="383">I-1; I-1; II, I, 4</td>
<td id="DA6FC65CFFFCDDC3BF053E36FB2FE036" box="[1097,1255,1322,1344]" gridcol="4" gridrow="1" pageId="2" pageNumber="383">0-1; 0-2; 1, 2, 3</td>
</tr>
<tr id="99BEAF20FFFCDDC3BBD33E55FB2FE029" box="[159,1255,1353,1375]" gridrow="2" pageId="2" pageNumber="383">
<th id="DA6FC65CFFFCDDC3BBD33E55FF11E029" box="[159,217,1353,1375]" gridcol="0" gridrow="2" pageId="2" pageNumber="383">Leg 2</th>
<td id="DA6FC65CFFFCDDC3BA023E55FE4BE029" box="[334,387,1353,1375]" gridcol="1" gridrow="2" pageId="2" pageNumber="383">0-1</td>
<td id="DA6FC65CFFFCDDC3B9793E55FDA4E029" box="[565,620,1353,1375]" gridcol="2" gridrow="2" pageId="2" pageNumber="383">1-0</td>
<td id="DA6FC65CFFFCDDC3B8503E55FC71E029" box="[796,953,1353,1375]" gridcol="3" gridrow="2" pageId="2" pageNumber="383">I-1; I-1; III, I, 4</td>
<td id="DA6FC65CFFFCDDC3BF053E55FB2FE029" box="[1097,1255,1353,1375]" gridcol="4" gridrow="2" pageId="2" pageNumber="383">0-1; 0-2; 1, 2, 3</td>
</tr>
<tr id="99BEAF20FFFCDDC3BBD33E74FB2FE008" box="[159,1255,1384,1406]" gridrow="3" pageId="2" pageNumber="383">
<th id="DA6FC65CFFFCDDC3BBD33E74FF11E008" box="[159,217,1384,1406]" gridcol="0" gridrow="3" pageId="2" pageNumber="383">Leg 3</th>
<td id="DA6FC65CFFFCDDC3BA023E74FE4BE008" box="[334,387,1384,1406]" gridcol="1" gridrow="3" pageId="2" pageNumber="383">0-0</td>
<td id="DA6FC65CFFFCDDC3B9793E74FDA4E008" box="[565,620,1384,1406]" gridcol="2" gridrow="3" pageId="2" pageNumber="383">1-0</td>
<td id="DA6FC65CFFFCDDC3B8503E74FC71E008" box="[796,953,1384,1406]" gridcol="3" gridrow="3" pageId="2" pageNumber="383">I-1; I-1; III, I, 5</td>
<td id="DA6FC65CFFFCDDC3BF053E74FB2FE008" box="[1097,1255,1384,1406]" gridcol="4" gridrow="3" pageId="2" pageNumber="383">0-1; 0-2; 1, I, 3</td>
</tr>
<tr id="99BEAF20FFFCDDC3BBD33E9AFB2FE0EA" box="[159,1255,1414,1436]" gridrow="4" pageId="2" pageNumber="383">
<th id="DA6FC65CFFFCDDC3BBD33E9AFF11E0EA" box="[159,217,1414,1436]" gridcol="0" gridrow="4" pageId="2" pageNumber="383">Leg 4</th>
<td id="DA6FC65CFFFCDDC3BA023E9AFE4BE0EA" box="[334,387,1414,1436]" gridcol="1" gridrow="4" pageId="2" pageNumber="383">0-0</td>
<td id="DA6FC65CFFFCDDC3B9793E9AFDA4E0EA" box="[565,620,1414,1436]" gridcol="2" gridrow="4" pageId="2" pageNumber="383">1-0</td>
<td id="DA6FC65CFFFCDDC3B8503E9AFC71E0EA" box="[796,953,1414,1436]" gridcol="3" gridrow="4" pageId="2" pageNumber="383">I-1; I-1; II, I, 4</td>
<td id="DA6FC65CFFFCDDC3BF053E9AFB2FE0EA" box="[1097,1255,1414,1436]" gridcol="4" gridrow="4" pageId="2" pageNumber="383">0-0; I, 1</td>
</tr>
</table>
</paragraph>
<paragraph id="2731AD62FFFC223EBB8B3EF8FF30E3C6" blockId="2.[151,1437,1508,2001]" pageId="2" pageNumber="383">
Intercoxal sclerites of legs 1 to 4 (
<figureCitation id="BFB5B1E7FFFC223EB90E3EF8FD79E08A" box="[578,689,1508,1533]" captionStart="FIGURE3" captionStartId="4.[151,250,1942,1964]" captionTargetBox="[187,1403,201,1919]" captionTargetId="figure@4.[182,1404,193,1921]" captionTargetPageId="4" captionText="FIGURE3. Stygiopontius senokuchiae n. sp.adult female,holotype (NSMT-Cr 26842).A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal.Scale barS:A, F, 30 µm; BE, 40 µm." httpUri="https://zenodo.org/record/1242034/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB93C3EF8FDB4E08A" box="[624,636,1508,1532]" pageId="2" pageNumber="383" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
BE
</figureCitation>
) unornamented. All spines spatulate, bearing serrated margins. All setae plumose. Leg 1 with basis bearing conical inner distal process. Leg 2 with row of setules on inner side of basis. Legs 3 and 4 with rounded protrusion between rami. Rami of legs 1 to 4 bearing pointed processes on outer and distal margins. Leg 5 (
<figureCitation id="BFB5B1E7FFFC223EBA9B3D53FDE0E31E" box="[471,552,1615,1640]" captionStart="FIGURE3" captionStartId="4.[151,250,1942,1964]" captionTargetBox="[187,1403,201,1919]" captionTargetId="figure@4.[182,1404,193,1921]" captionTargetPageId="4" captionText="FIGURE3. Stygiopontius senokuchiae n. sp.adult female,holotype (NSMT-Cr 26842).A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal.Scale barS:A, F, 30 µm; BE, 40 µm." httpUri="https://zenodo.org/record/1242034/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB9453D4CFDDEE31E" box="[521,534,1616,1640]" pageId="2" pageNumber="383" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
F
</figureCitation>
) indistinctly 2-segmented; proximal segment bearing 1 seta; distal segment bearing three distal setae; all of these 4 setae plumose. Leg 6 (
<figureCitation id="BFB5B1E7FFFC223EB8123D68FC78E3FA" box="[862,944,1652,1677]" captionStart="FIGURE 2" captionStartId="3.[151,250,1905,1927]" captionTargetBox="[201,1389,193,1881]" captionTargetId="figure@3.[192,1395,193,1894]" captionTargetPageId="3" captionText="FIGURE 2. Stygiopontius senokuchiae n. sp. adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior.Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm." httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="2" pageNumber="383">
Fig
<bibRefCitation id="431FD093FFFC223EB8C13D68FC53E3FA" box="[909,923,1652,1676]" pageId="2" pageNumber="383" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
D
</figureCitation>
) represented by single small seta at genital opening.
</paragraph>
<paragraph id="2731AD62FFFC223EBB8B3DA0FAF9E212" blockId="2.[151,1437,1508,2001]" pageId="2" pageNumber="383">
Description of
<typeStatus id="F83513C0FFFC223EBA233DA0FE01E3A3" box="[367,457,1724,1749]" pageId="2" pageNumber="383" type="allotype">allotype</typeStatus>
adult male. Body (
<figureCitation id="BFB5B1E7FFFC223EB9ED3DA0FD3AE3A2" box="[673,754,1724,1749]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig 4A</figureCitation>
) cyclopiform, 471 long, composed of cephalothorax, second to fifth pedigerous somites, genital somite, and 4-segmented abdomen. Cephalothorax wider than long, 187 × 257, bearing pair of posterolateral pointed processes. Prosome 320 long. Genital somite (
<figureCitation id="BFB5B1E7FFFC223EBF0E3C18FB7BE26A" box="[1090,1203,1796,1821]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig 4A, B</figureCitation>
) wider than long, 45 × 76. Abdomen (
<figureCitation id="BFB5B1E7FFFC223EBA183C3BFE6DE236" box="[340,421,1831,1856]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig 4A</figureCitation>
) progressively narrower posteriorly, composed of four free somites, 34 × 59, 40 × 55, 35 × 47, and 27 × 43, respectively. Caudal rami (
<figureCitation id="BFB5B1E7FFFC223EB9CD3C50FD10E212" box="[641,728,1868,1893]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig. 4A</figureCitation>
) 1.41 times longer than wide, 24 × 17, with six setae.
</paragraph>
<paragraph id="2731AD62FFFC223EBB8B3C73FE5DE2A6" blockId="2.[151,1437,1508,2001]" pageId="2" pageNumber="383">
Antennule (
<figureCitation id="BFB5B1E7FFFC223EBA063C73FE52E2FE" box="[330,410,1903,1928]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig 4C</figureCitation>
) 11-segmented; armature formula 1, 2, 12, 6, 6, 4, 2, 2, 4, 4 + 1 aesthetasc, and 12; all setae naked. Antenna, mandible, maxillule, and maxilla as in female. Proximal endopodal segment of maxilliped (
<figureCitation id="BFB5B1E7FFFC223EBE393C88FF72E2A6" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="2" pageNumber="383">Fig 4D</figureCitation>
) bearing two setae.
</paragraph>
<caption id="73F1FDEAFFFD223FBBDB3C6DFD41E294" httpUri="https://zenodo.org/record/1242032/files/figure.png" pageId="3" pageNumber="384" startId="3.[151,250,1905,1927]" targetBox="[201,1389,193,1881]" targetPageId="3">
<paragraph id="2731AD62FFFD223FBBDB3C6DFD41E294" blockId="3.[151,1436,1905,2018]" pageId="3" pageNumber="384">
<emphasis id="15FA7170FFFD223FBBDB3C6DFEDBE2F0" bold="true" box="[151,275,1905,1927]" pageId="3" pageNumber="384">FIGURE 2.</emphasis>
<taxonomicName id="E08ED6E1FFFD223FBA563C6DFDEFE2F0" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[282,551,1905,1926]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="3" pageNumber="384" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFFD223FBA563C6DFDEFE2F0" box="[282,551,1905,1926]" italics="true" pageId="3" pageNumber="384">Stygiopontius senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFFD223FB9623C6DFDA0E2F0" box="[558,616,1905,1926]" pageId="3" pageNumber="384" rank="species">
<emphasis id="15FA7170FFFD223FB9623C6DFDA0E2F0" bold="true" box="[558,616,1905,1926]" pageId="3" pageNumber="384">n. sp.</emphasis>
</taxonomicNameLabel>
adult female, holotype (NSMT-Cr 26842). A, habituS, dorSal; B, roStral area; C, uroSome, dorSal; D, genital aperture and leg 6, dorSal; E, right caudal ramuS, dorSal; F, left antennule, poSterior; G, right antenna, anterior; H, right mandible; I, right maXillule, poSterior; J, right maXilla, poSterior. Scale barS: A, 200 µm; B, 100 µm; C, 70 µm; D, I, J, 30 µm; EG, 40 µm; H, 20 µm.
</paragraph>
</caption>
<caption id="73F1FDEAFFFA2238BBDB3C8AFED0E29F" httpUri="https://zenodo.org/record/1242034/files/figure.png" pageId="4" pageNumber="385" startId="4.[151,250,1942,1964]" targetBox="[187,1403,201,1919]" targetPageId="4">
<paragraph id="2731AD62FFFA2238BBDB3C8AFED0E29F" blockId="4.[151,1436,1942,2025]" pageId="4" pageNumber="385">
<emphasis id="15FA7170FFFA2238BBDB3C8AFEDAE2DD" bold="true" box="[151,274,1942,1964]" pageId="4" pageNumber="385">FIGURE 3.</emphasis>
<taxonomicName id="E08ED6E1FFFA2238BA543C8BFDECE2DD" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[280,548,1942,1964]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="4" pageNumber="385" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFFA2238BA543C8BFDECE2DD" box="[280,548,1942,1964]" italics="true" pageId="4" pageNumber="385">Stygiopontius senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFFA2238B9673C8BFDACE2DA" box="[555,612,1943,1964]" pageId="4" pageNumber="385" rank="species">
<emphasis id="15FA7170FFFA2238B9673C8BFDACE2DA" bold="true" box="[555,612,1943,1964]" pageId="4" pageNumber="385">n. sp.</emphasis>
</taxonomicNameLabel>
adult female, holotype (NSMT-Cr 26842). A, right maXilliped, poSterior; B, right leg 1, anterior; C, left leg 2, anterior; D, left leg 3, anterior; E, left leg 4, anterior; F, right leg 5, dorSal. Scale barS: A, F, 30 µm; BE, 40 µm.
</paragraph>
</caption>
<paragraph id="2731AD62FFFB2239BB8B3B84FDB5E436" blockId="5.[151,1437,151,573]" pageId="5" pageNumber="386">
Armature formula of legs 1 to 4 as in female. Armature formula of leg 2 as in female but single outer, two distal, and single inner plumose setae of third endopodal segment replaced into thick, spine-like setae. Leg 5 (
<figureCitation id="BFB5B1E7FFFB2239BE393BA0FF71E58E" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="5" pageNumber="386">Fig 4B</figureCitation>
) composed of protopod bearing 1 outer seta and exopod bearing three outer and two rod-shaped distal setae. Leg 6 (
<figureCitation id="BFB5B1E7FFFB2239BBA43A18FEF0E46A" box="[232,312,260,285]" captionStart="FIGURE 4" captionStartId="5.[151,250,1945,1967]" captionTargetBox="[167,1426,637,1896]" captionTargetId="figure@5.[152,1435,625,1924]" captionTargetPageId="5" captionText="FIGURE 4. Stygiopontius senokuchiae n. sp. adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 100 µm; B, 40 µm; C, 30 µm; D, 20 µm." httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="5" pageNumber="386">Fig 4B</figureCitation>
) represented by genital flap bearing single serrated spine and single seta on outer margin; posterior part of genital flap bearing row of spinules.
</paragraph>
<paragraph id="2731AD62FFFB2239BB8B3A50FC44E74B" blockId="5.[151,1437,151,573]" pageId="5" pageNumber="386">
Variability. The morphology of the female
<typeStatus id="F83513C0FFFB2239B9E83A51FCC7E413" box="[676,783,333,357]" pageId="5" pageNumber="386" type="paratype">paratypes</typeStatus>
as in the
<typeStatus id="F83513C0FFFB2239B8353A50FC17E413" box="[889,991,332,357]" pageId="5" pageNumber="386" type="holotype">holotype</typeStatus>
. The measurements of the body parts (n = 6) are as follows: body length 685786 (727 ± 37); cephalothorax length 335396 (365 ± 26); cephalothorax width 387431 (402 ± 16); prosome length 484538 (516 ± 23); genital double somite length 94123 (114 ± 11); genital double somite width 107126 (116 ± 7); first urosomite length 5163 (55 ± 5); first urosomite width 7888 (82 ± 4); second urosomite length 4055 (45 ± 8); second urosomite width 7380 (76 ±
<bibRefCitation id="431FD093FFFB2239BF3A3AC0FB4EE482" box="[1142,1158,476,500]" pageId="5" pageNumber="386" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
); anal somite length 28 52 (38 ± 8); anal somite width 6569 (67 ±
<bibRefCitation id="431FD093FFFB2239B9CE391CFD5AE76E" box="[642,658,512,536]" pageId="5" pageNumber="386" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
); caudal ramus length 3245 (39 ± 5); caudal ramus width 2529 (26 ±
<bibRefCitation id="431FD093FFFB2239BBE13938FF76E74A" box="[173,190,548,572]" pageId="5" pageNumber="386" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
). Caudal ramus 1.291.71 (1.48 ± 0.15) times longer than wide.
</paragraph>
<caption id="73F1FDEAFFFB2239BBDB3C85FDCCE29B" httpUri="https://zenodo.org/record/1242036/files/figure.png" pageId="5" pageNumber="386" startId="5.[151,250,1945,1967]" targetBox="[167,1426,637,1896]" targetPageId="5">
<paragraph id="2731AD62FFFB2239BBDB3C85FDCCE29B" blockId="5.[151,1435,1945,2029]" pageId="5" pageNumber="386">
<emphasis id="15FA7170FFFB2239BBDB3C85FEDCE2D8" bold="true" box="[151,276,1945,1967]" pageId="5" pageNumber="386">FIGURE 4.</emphasis>
<taxonomicName id="E08ED6E1FFFB2239BA503C86FDE2E2D9" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[284,554,1946,1967]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="5" pageNumber="386" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFFB2239BA503C86FDE2E2D9" box="[284,554,1946,1967]" italics="true" pageId="5" pageNumber="386">Stygiopontius senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFFB2239B97E3C86FDA5E2D9" box="[562,621,1946,1967]" pageId="5" pageNumber="386" rank="species">
<emphasis id="15FA7170FFFB2239B97E3C86FDA5E2D9" bold="true" box="[562,621,1946,1967]" pageId="5" pageNumber="386">n. sp.</emphasis>
</taxonomicNameLabel>
adult male, allotype (NSMT-Cr 26843). A, habituS, dorSal; B, fifth pedigerouS Somite to firSt uroSomite, ventral; C, right antennule, poSterior; D, endopod of right maXilliped, poSterior. Scale barS: A, 10 0 µm; B, 40 µm; C, 30 µm; D, 20 µm.
</paragraph>
</caption>
<paragraph id="2731AD62FFF8223ABB8B3B8BFE56E4DB" blockId="6.[151,1437,151,1221]" pageId="6" pageNumber="387">
The morphology of the male
<typeStatus id="F83513C0FFF8223AB95A3B84FD49E5C6" box="[534,641,152,176]" pageId="6" pageNumber="387" type="paratype">paratypes</typeStatus>
as in the
<typeStatus id="F83513C0FFF8223AB9BF3B8BFC99E5C6" box="[755,849,151,176]" pageId="6" pageNumber="387" type="allotype">allotype</typeStatus>
. The measurements of the male body parts of other material (n = 5) are as follows: body length 446483 (464 ± 15); cephalothorax length 208258 (229 ± 21); cephalothorax width 221272 (251 ± 19); prosome length 317345 (331 ± 13); genital somite length 4856 (50 ±
<bibRefCitation id="431FD093FFF8223ABBDB3A18FF6EE46A" box="[151,166,260,284]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
); genital somite width 7583 (78 ±
<bibRefCitation id="431FD093FFF8223AB90C3A18FD87E46A" box="[576,591,260,284]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
); first urosomite length 3042 (37 ± 4); first urosomite width 5863 (59 ±
<bibRefCitation id="431FD093FFF8223ABBDB3A34FF6FE436" box="[151,167,296,320]" pageId="6" pageNumber="387" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
); second urosomite length 2642 (34 ± 6); second urosomite width 5055 (52 ±
<bibRefCitation id="431FD093FFF8223ABF7C3A34FB88E436" box="[1072,1088,296,320]" pageId="6" pageNumber="387" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
); third urosomite length 1933 (26 ± 6); third urosomite width 4448 (47 ±
<bibRefCitation id="431FD093FFF8223AB9C23A50FD56E412" box="[654,670,332,356]" pageId="6" pageNumber="387" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
); anal somite length 1826 (22 ±
<bibRefCitation id="431FD093FFF8223ABF503A50FBE3E412" box="[1052,1067,332,356]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
); anal somite width 4249 (44 ±
<bibRefCitation id="431FD093FFF8223ABBDB3A6CFF6EE4FE" box="[151,166,368,392]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
); caudal ramus length 2426 (25 ± 1); caudal ramus width 1720 (18 ±
<bibRefCitation id="431FD093FFF8223AB8803A6CFC15E4FE" box="[972,989,368,392]" pageId="6" pageNumber="387" refId="ref3596" refString="2 Caudal rami less than twice long as wide.............................................. S. pectinatus Humes, 1987" type="book">2</bibRefCitation>
). Caudal ramus 1.221.45 (1.38 ± 0.09) times longer than wide.
</paragraph>
</subSubSection>
<subSubSection id="6F94FEE9FFF8223ABB8B3AABFBB4E69B" pageId="6" pageNumber="387" type="discussion">
<paragraph id="2731AD62FFF8223ABB8B3AABFBB4E69B" blockId="6.[151,1437,151,1221]" pageId="6" pageNumber="387">
<emphasis id="15FA7170FFF8223ABB8B3AABFEF3E4A6" bold="true" box="[199,315,439,464]" pageId="6" pageNumber="387">Remarks.</emphasis>
So far 22 valid species are known in
<taxonomicName id="E08ED6E1FFF8223AB9B53AA4FC58E4B9" authorityName="Humes" authorityYear="1987" box="[761,912,440,463]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="genus">
<emphasis id="15FA7170FFF8223AB9B53AA4FC58E4B9" box="[761,912,440,463]" italics="true" pageId="6" pageNumber="387">Stygiopontius</emphasis>
</taxonomicName>
. Seven species,
<taxonomicName id="E08ED6E1FFF8223ABF1E3AA4FAB1E4A6" authority="Humes, 1987" authorityName="Humes" authorityYear="1987" box="[1106,1401,440,464]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="cinctiger">
<emphasis id="15FA7170FFF8223ABF1E3AA4FB1CE4A6" box="[1106,1236,440,464]" italics="true" pageId="6" pageNumber="387">S. cinctiger</emphasis>
Humes, 1987
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223ABECB3AA4FD0BE483" authority="Ivanenko &amp; Martinez Arbizu, 2006" authorityName="Ivanenko &amp; Martinez Arbizu" authorityYear="2006" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="lomonosovi">
<emphasis id="15FA7170FFF8223ABECB3AA4FED0E483" italics="true" pageId="6" pageNumber="387">S. lomonosovi</emphasis>
Ivanenko &amp; Martínez Arbizu, 2006
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223AB99F3AC1FBE7E482" authority="Humes, 1987" authorityName="Humes" authorityYear="1987" box="[723,1071,476,500]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="mucroniferus">
<emphasis id="15FA7170FFF8223AB99F3AC1FC40E482" box="[723,904,476,500]" italics="true" pageId="6" pageNumber="387">S. mucroniferus</emphasis>
Humes, 1987
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223ABF733AC1FAB0E482" authority="Humes, 1997" authorityName="Humes" authorityYear="1997" box="[1087,1400,476,500]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="rimivagus">
<emphasis id="15FA7170FFF8223ABF733AC1FB07E482" box="[1087,1231,477,500]" italics="true" pageId="6" pageNumber="387">S. rimivagus</emphasis>
Humes, 1997
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223ABECB3AC1FE5CE76E" authority="Humes, 1996" authorityName="Humes" authorityYear="1996" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="serratus">
<emphasis id="15FA7170FFF8223ABECB3AC1FF3BE76E" italics="true" pageId="6" pageNumber="387">S. serratus</emphasis>
Humes, 1996
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223ABAED391CFD5DE76E" authority="Humes, 1996" authorityName="Humes" authorityYear="1996" box="[417,661,511,536]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="teres">
<emphasis id="15FA7170FFF8223ABAED391CFE3BE76E" box="[417,499,512,536]" italics="true" pageId="6" pageNumber="387">S. teres</emphasis>
Humes, 1996
</taxonomicName>
, and
<taxonomicName id="E08ED6E1FFF8223AB99E391CFBD6E76E" authority="Humes, 1987" authorityName="Humes" authorityYear="1987" box="[722,1054,511,536]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="verruculatus">
<emphasis id="15FA7170FFF8223AB99E391CFCB4E76E" box="[722,892,511,536]" italics="true" pageId="6" pageNumber="387">S. verruculatus</emphasis>
Humes, 1987
</taxonomicName>
, share three spines and four setae on the third exopodal segment of the leg 4 with
<taxonomicName id="E08ED6E1FFF8223AB9E53939FC87E74B" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[681,847,548,573]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFF8223AB9E53939FC87E74B" box="[681,847,548,573]" italics="true" pageId="6" pageNumber="387">S. senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFF8223AB8183938FC5BE74B" box="[852,915,548,573]" pageId="6" pageNumber="387" rank="species">
<emphasis id="15FA7170FFF8223AB8183938FC5BE74B" bold="true" box="[852,915,548,573]" pageId="6" pageNumber="387">n. sp.</emphasis>
</taxonomicNameLabel>
(vs. other 15 species have four spines and four setae) (see Humes 1987, 1989, 1990, 1991, 1996; Ivanenko
<emphasis id="15FA7170FFF8223AB81E3955FC45E716" box="[850,909,583,608]" italics="true" pageId="6" pageNumber="387">et al.</emphasis>
2006; Ivanenko &amp; Ferrari 2013). Among the seven species,
<taxonomicName id="E08ED6E1FFF8223ABA733971FE08E7F2" authorityName="Humes" authorityYear="1987" box="[319,448,621,644]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="cinctiger">
<emphasis id="15FA7170FFF8223ABA733971FE08E7F2" box="[319,448,621,644]" italics="true" pageId="6" pageNumber="387">S. cinctiger</emphasis>
</taxonomicName>
,
<taxonomicName id="E08ED6E1FFF8223ABA833971FDA5E7F3" authorityName="Ivanenko &amp; Martinez Arbizu" authorityYear="2006" box="[463,621,620,645]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="lomonosovi">
<emphasis id="15FA7170FFF8223ABA833971FDA5E7F3" box="[463,621,620,645]" italics="true" pageId="6" pageNumber="387">S. lomonosovi</emphasis>
</taxonomicName>
, and
<taxonomicName id="E08ED6E1FFF8223AB9E23971FCC8E7F2" authorityName="Humes" authorityYear="1996" box="[686,768,621,644]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="teres">
<emphasis id="15FA7170FFF8223AB9E23971FCC8E7F2" box="[686,768,621,644]" italics="true" pageId="6" pageNumber="387">S. teres</emphasis>
</taxonomicName>
shares coxal setae both on legs 1 and 2 (see Humes 1987, 1996; Ivanenko &amp; Martínez Arbizu, 2006).
<taxonomicName id="E08ED6E1FFF8223AB9CC398CFC4AE7DE" authorityName="Humes" authorityYear="1987" box="[640,898,656,680]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="cinctiger">
<emphasis id="15FA7170FFF8223AB9CC398CFC4AE7DE" box="[640,898,656,680]" italics="true" pageId="6" pageNumber="387">Stygiopontius cinctiger</emphasis>
</taxonomicName>
differs from the new species by having an inner spine on the basis of the leg 1 (vs. single inner seta) and the genital double somite without lateral and posterolateral processes (vs. with both lateral and posterolateral processes) (see Humes 1987).
<taxonomicName id="E08ED6E1FFF8223ABF1439C4FAB5E786" authorityName="Ivanenko &amp; Martinez Arbizu" authorityYear="2006" box="[1112,1405,727,752]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="lomonosovi">
<emphasis id="15FA7170FFF8223ABF1439C4FAB5E786" box="[1112,1405,727,752]" italics="true" pageId="6" pageNumber="387">Stygiopontius lomonosovi</emphasis>
</taxonomicName>
is separated from the new species by having an inner seta on the bases of legs 3 and 4 (vs. no inner seta) (see Ivanenko &amp; Martínez Arbizu 2006).
<taxonomicName id="E08ED6E1FFF8223AB97D383CFCCCE64E" authorityName="Humes" authorityYear="1996" box="[561,772,800,824]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="teres">
<emphasis id="15FA7170FFF8223AB97D383CFCCCE64E" box="[561,772,800,824]" italics="true" pageId="6" pageNumber="387">Stygiopontius teres</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="E08ED6E1FFF8223AB8D8383CFBF3E64E" authority="Uyeno &amp; Shimanaga, 2018" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[916,1083,799,824]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="senokuchiae" status="sp. nov.">
<emphasis id="15FA7170FFF8223AB8D8383CFBF3E64E" box="[916,1083,799,824]" italics="true" pageId="6" pageNumber="387">S. senokuchiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="0EC9CC0BFFF8223ABF0D3803FBB7E64E" box="[1089,1151,799,824]" pageId="6" pageNumber="387" rank="species">
<emphasis id="15FA7170FFF8223ABF0D3803FBB7E64E" bold="true" box="[1089,1151,799,824]" pageId="6" pageNumber="387">n. sp.</emphasis>
</taxonomicNameLabel>
but is distinguished from the new species by the following characters: the genital double somite has no lateral processes (vs. bearing a pair of conical processes); the caudal rami bears a pointed process on the posterodorsal margin (vs. without processes); the basis of leg 1 without inner distal processes (vs. bearing one conical inner distal process) (see Humes 1996). Further, on
<taxonomicName id="E08ED6E1FFF8223ABA5438ACFEA1E6BE" authorityName="Humes" authorityYear="1996" box="[280,361,944,968]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="teres">
<emphasis id="15FA7170FFF8223ABA5438ACFEA1E6BE" box="[280,361,944,968]" italics="true" pageId="6" pageNumber="387">S. teres</emphasis>
</taxonomicName>
, the segmentation of the female antennule differs from that of the new species (the first segment appears indistinctly
<bibRefCitation id="431FD093FFF8223ABA3438C8FE4CE69B" box="[376,388,980,1005]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
-segmented vs. distinctly
<bibRefCitation id="431FD093FFF8223AB9E938C8FD79E69B" box="[677,689,980,1005]" pageId="6" pageNumber="387" refId="ref3732" refString="3 Leg 4 bearing distal endopodal segment with pointed outer process............. S. senckenbergi Ivanenko &amp; Ferrari, 2013" type="book chapter">3</bibRefCitation>
-segmented) (see Humes 1996, fig. 16b).
</paragraph>
</subSubSection>
<subSubSection id="6F94FEE9FFF8223ABB8B38EBFE9AE1B2" pageId="6" pageNumber="387" type="etymology">
<paragraph id="2731AD62FFF8223ABB8B38EBFB0EE143" blockId="6.[151,1437,151,1221]" pageId="6" pageNumber="387">
<emphasis id="15FA7170FFF8223ABB8B38EBFE86E166" bold="true" box="[199,334,1015,1040]" pageId="6" pageNumber="387">Etymology.</emphasis>
The specific name,
<taxonomicName id="E08ED6E1FFF8223AB97338EBFD01E166" authorityName="Uyeno &amp; Shimanaga" authorityYear="2018" box="[575,713,1015,1040]" class="Maxillopoda" family="Dirivultidae" genus="Stygiopontius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="6" pageNumber="387" phylum="Arthropoda" rank="species" species="senokuchiae">
<emphasis id="15FA7170FFF8223AB97338EBFD01E166" box="[575,713,1015,1040]" italics="true" pageId="6" pageNumber="387">senokuchiae</emphasis>
</taxonomicName>
, was chosen after Ms Reina Senokuchi who formerly studied copepods on hydrothermal fields in Izu-Bonin Arc and found the specimens of the new species.
</paragraph>
<paragraph id="2731AD62FFF8223ABB8B3F23FE9AE1B2" blockId="6.[151,1437,151,1221]" pageId="6" pageNumber="387">
<emphasis id="15FA7170FFF8223ABB8B3F23FDAEE12E" bold="true" box="[199,614,1087,1112]" pageId="6" pageNumber="387">Newly established Japanese name.</emphasis>
“Rengoku-kudakuchi-mijinko-ka” for the family, “Rengoku-kudakuchimijinko-zoku” for the genus, and “Rengoku-kudakuchi-mijinko” for the species. In Japanese, the Purgatory is translated to “Rengoku”, “kudakuchi” means a tube-like mouth of the copepod, and “mijinko” is a general term for tiny crustaceans.
</paragraph>
</subSubSection>
</treatment>
</document>