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<document id="AAFC3E3A7E195025DB63706DB90A47DA" ID-DOI="10.3897/asp.82.e136751" ID-ZooBank="927B910A-4F53-4BBA-B9A7-D60B1EF4733E" ID-publisher-id="136751" URI-arpha="552FC23D-0AA5-5DDF-8CBA-EBB539CE0EAF" URI-zoobank="http://zoobank.org/927B910A-4F53-4BBA-B9A7-D60B1EF4733E" article-type="research-article" checkinTime="1734516625563" checkinUser="pensoft" docAuthor="Chen, Rong, Zhao, Yi, Golovatch, Sergei &amp; Liu, Wei-Xin" docDate="2024" docId="4AE50CFCEAE75F3BA9F861D0994EF64F" docLanguage="en" docName="Arthropod Systematics &amp; Phylogeny 82: 659-691" docOrigin="Arthropod Systematics &amp; Phylogeny 82" docSource="https://arthropod-systematics.arphahub.com/article/136751/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Skleroprotopus incisodentatus Chen, Zhao, Golovatch &amp; Liu, 2024, sp. nov." docType="treatment" docVersion="2" dtd-version="3.0" lastPageNumber="691" masterDocId="552FC23D0AA55DDF8CBAEBB539CE0EAF" masterDocTitle="Molecular phylogenetic and morphological studies reveal increased species diversity in the millipede genus Skleroprotopus Attems, 1901 in China (Julida: Mongoliulidae)" masterLastPageNumber="691" masterPageNumber="659" pageNumber="659" updateTime="1734517086336" updateUser="ExternalLinkService">
<mods:mods id="7C173B8D7B526633083B24BD2F925585" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="FAE4A61E1932CB6D3F3D9E0FE61EE0E7">
<mods:title id="2C9D47B11672357B23441FF934BF8A7F">Molecular phylogenetic and morphological studies reveal increased species diversity in the millipede genus Skleroprotopus Attems, 1901 in China (Julida: Mongoliulidae)</mods:title>
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<mods:name id="6144B2BE7FF26DD138D8E0459F0523B3" type="personal">
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<mods:namePart id="5D7FB6D6B1B7594BF5ED409B05C48869">Chen, Rong</mods:namePart>
<mods:affiliation id="AE7DB9F3B006DB6D873DFCC30E525BF1">College of Plant Protection, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China</mods:affiliation>
</mods:name>
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<mods:namePart id="18EC0641918C908E744652ADCEC0F830">Zhao, Yi</mods:namePart>
<mods:affiliation id="CAC9851655AF7EA22C401EF7D2BF661B">College of Plant Protection, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China &amp; Guangdong Academy of Forestry, 233 Guangshan 1 st Road, Guangzhou 510520, China</mods:affiliation>
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</mods:role>
<mods:namePart id="12A9B2B88AE8C7A5E4653453CE9F2F1E">Golovatch, Sergei</mods:namePart>
<mods:affiliation id="04D36507A38A5612B2EB52EF14CEC741">Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia</mods:affiliation>
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<mods:namePart id="3267E3C341B30F75F888B98A3044D653">Liu, Wei-Xin</mods:namePart>
<mods:affiliation id="9A19649FAF162F870E2F37E396A58970">College of Plant Protection, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China</mods:affiliation>
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<mods:typeOfResource id="1960E6754439B4CCD636F6D23C3F136F">text</mods:typeOfResource>
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<mods:part id="FB9F3D07179A17350BF941BA5E1D0E7B">
<mods:date id="1CA87DD8411222D08059EDA8D15BFED7">2024</mods:date>
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<mods:identifier id="188E9F0149972BCCB482684388ECDBA9" type="ZooBank">927B910A-4F53-4BBA-B9A7-D60B1EF4733E</mods:identifier>
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<treatment id="4AE50CFCEAE75F3BA9F861D0994EF64F" ID-DOI="http://doi.org/10.5281/zenodo.14513081" ID-Zenodo-Dep="14513081" ID-arpha="4AE50CFC-EAE7-5F3B-A9F8-61D0994EF64F" ID-zoobank="https://zoobank.org/F19FF3FB-0081-4749-AA16-A7A46D77AC87" LSID="urn:lsid:plazi:treatment:4AE50CFCEAE75F3BA9F861D0994EF64F" LSID-ZBK="urn:lsid:zoobank.org:act:F19FF3FB-0081-4749-AA16-A7A46D77AC87" httpUri="http://treatment.plazi.org/id/4AE50CFCEAE75F3BA9F861D0994EF64F">
<subSubSection id="FC923EABEBF496088908D215E36EB456" type="nomenclature">
<paragraph id="0D831C9B9145A64270849877728BE847">
<heading id="DE3120DFDB4A59CA585F22FF0512E30C" reason="label">3.3. 10.</heading>
<taxonomicName id="67ABD2B0A2EAFA6EDF0A02EBA963386E" authorityName="Chen &amp; Zhao &amp; Golovatch &amp; Liu" authorityYear="2024" class="Diplopoda" family="Mongoliulidae" genus="Skleroprotopus" kingdom="Animalia" order="Julida" phylum="Arthropoda" rank="species" species="incisodentatus" status="sp. nov.">
<emphasis id="A950F723076389148F6F9230130FAAF0" italics="true">Skleroprotopus incisodentatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="13FD54810758E4117551F63EE6F66329" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="81AB042858BB23C3ACEA834470E1C6E2" type="description">
<paragraph id="E651561CF876529A1B57A4BE8E1B4888">
<figureCitation id="CFA51E1C6E614E02C1F7788430439275" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Pictures of live animals, photos by Prof. Mingyi Tian from SCAU. A Skleroprotopus change sp. nov.; B Skleroprotopus megistus sp. nov.; C Skleroprotopus longissimus sp. nov.; D Skleroprotopus genjudi sp. nov.; E Skleroprotopus tiankeng sp. nov.; F Skleroprotopus laiyuanensis sp. nov.; G Skleroprotopus incisodentatus sp. nov." figureDoi="10.3897/asp.82.e136751.figure2" httpUri="https://binary.pensoft.net/fig/1201329">Figures 2 G</figureCitation>
,
<figureCitation id="5BF8FE0BA793DAB603983FEB7A55ECB0" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E2ACI" type="material">
<paragraph id="7B9EE4B91F6D60B3F4A53AC7448EC1BB">
<heading id="002AC8B966A7295074727A4952C43E0E" reason="title">Material examined.</heading>
</paragraph>
<paragraph id="4DF34A028D78B181F3E58525E10F3041">
<materialsCitation id="82C1F6BA04B6FFD192840349DFF7FFC5" collectingDate="2014-09-29" collectionCode="SCAU" collectorName="Huang Sunbin &amp; Wang Xinhui" county="Guangfeng County" elevation="200" latitude="28.465034" location="Cave Lingjiu Dong" municipality="Shangrao City" specimenCount="1" stateProvince="Jiangxi" typeStatus="holotype">
<typeStatus id="F868FE3A3EE444BDC13C5150B024DFCC" type="holotype">Holotype</typeStatus>
male (
<named-content id="4F27B8F696EA165501DF5BFC708419D2" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/south-china-agricultural-university" xlink_title="Zoological Collection of the South China Agricultural University">
<collectionCode id="A0235926076233ECBA865AECE81DC191">SCAU</collectionCode>
</named-content>
),
<collectingRegion id="65BA4F88B591A0EE70C0D46ED0222322" country="China" name="Jiangxi">Jiangxi Province</collectingRegion>
,
<collectingMunicipality id="0F73268D8F0C2C4C9A39C451D055C667">Shangrao City</collectingMunicipality>
,
<collectingCounty id="59BD1BB4FBFD506573F34EAEF1569186">Guangfeng County</collectingCounty>
,
<location id="3D26DD03D26258907F5F699FAB628E58" LSID="urn:lsid:plazi:treatment:4AE50CFCEAE75F3BA9F861D0994EF64F:3D26DD03D26258907F5F699FAB628E58" county="Guangfeng County" latitude="28.465034" municipality="Shangrao City" name="Cave Lingjiu Dong" stateProvince="Jiangxi">Cave Lingjiu Dong</location>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EIBCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[118.344386,28.465033]}">
<geoCoordinate id="3FF767D18EB3B9F50DD1BCB76954593F" degrees="28" direction="north" minutes="27" orientation="latitude" precision="1" seconds="54.12" value="28.465034">28 ° 27 54.12 N</geoCoordinate>
118 ° 20 39.79
</named-content>
,
<quantity id="18CE33F056521DB730DA6F86FFDF2265" metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">
<elevation id="32C8EE7CF9F5AC1189773E9FC02DFABF" metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">200 m</elevation>
</quantity>
,
<date id="4800C28B30BB509B2D8A3D9F0DCEFAB7" value="2014-09-29">
<collectingDate id="E5EFFBCD5F1E9B519A69F0550FAC5CBB" value="2014-09-29">29. IX. 2014</collectingDate>
</date>
,
<collectorName id="6F90B437B52CDCBA87266C2A4B44A54D">Huang Sunbin</collectorName>
and
<collectorName id="C50317E341AA93AE3E6FE9E4890739FE">Wang Xinhui</collectorName>
leg.
</materialsCitation>
<typeStatus id="B005076586E6E151AEFA1FD406F023FF" type="paratype">Paratypes</typeStatus>
:
<specimenCount id="61AEFD646864403787C7761A803C82D5" count="2" type="male">2 males</specimenCount>
,
<specimenCount id="B59CDF68FB0E1428AFB005DA5C0E1C2F" count="2" type="female">2 females</specimenCount>
(
<named-content id="1446E3786290105CD264370163DDBC4E" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/south-china-agricultural-university" xlink_title="Zoological Collection of the South China Agricultural University">
<collectionCode id="D1810ACE2AA251CE4717A505300F3042">SCAU</collectionCode>
</named-content>
), same data as for
<typeStatus id="D06E6FA9BB647B71198A159281ECB808" type="holotype">holotype</typeStatus>
;
<specimenCount id="6957AE4848220521B4FAF62DBF215BAD" count="3" type="male">3 males</specimenCount>
,
<specimenCount id="170BDDADC4ED1EF5696B200707AB7CC1" count="7" type="female">7 females</specimenCount>
(
<named-content id="2CA4E193FE3C23CF50FA1D8DB4660176" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/south-china-agricultural-university" xlink_title="Zoological Collection of the South China Agricultural University">
<collectionCode id="D9788118089C147186306D94D88791B2">SCAU</collectionCode>
</named-content>
), same county, Cave Tiangui Yan,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EYBCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[118.282694,28.458733]}">
<geoCoordinate id="CA77E43D616E42A0EE31E1AFE8D350C2" degrees="28" direction="north" minutes="27" orientation="latitude" precision="1" seconds="31.44" value="28.458735">28 ° 27 31.44 N</geoCoordinate>
<geoCoordinate id="6D8A7C60D61C6A2D33F0856F1A6D26ED" degrees="118" direction="east" minutes="16" orientation="longitude" precision="1" seconds="57.70" value="118.2827">118 ° 16 57.70 E</geoCoordinate>
</named-content>
,
<quantity id="059D202FE90EF250F6351924EB41A1A3" metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">200 m</quantity>
,
<date id="30D88B56B26AB73BDBD21AE1EC7E231B" value="2014-09-28">28. IX. 2014</date>
;
<specimenCount id="F585E72F130FD6B1576CE33DB58C69D0" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="B078C464232ED86C14A7EDA2B0A3DBD1" count="7" type="female">7 females</specimenCount>
(
<named-content id="B8939EB00D858735E0CE4A3A9768651D" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/south-china-agricultural-university" xlink_title="Zoological Collection of the South China Agricultural University">
<collectionCode id="6127D65E3547BE42F67720092AF3DFAC">SCAU</collectionCode>
</named-content>
),
<collectingRegion id="51EA579DF18F63D46230B94AB7C970A4" country="China" name="Zhejiang">Zhejiang Province</collectingRegion>
, Jiangshan City, Dachen County, Cave Wulong Dong,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EECCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[118.583158,28.809953]}">
<geoCoordinate id="A02FCFE197AD4E57D1EAD5EDEAAEA69A" degrees="28" direction="north" minutes="48" orientation="latitude" precision="1" seconds="35.83" value="28.809952">28 ° 48 35.83 N</geoCoordinate>
<geoCoordinate id="AF85BD802D25006EA860E2D8CB08E4F2" degrees="118" direction="east" minutes="34" orientation="longitude" precision="1" seconds="59.37" value="118.58316">118 ° 34 59.37 E</geoCoordinate>
</named-content>
,
<quantity id="B089915D942A9A9605F5E6C04F15F0DE" metricMagnitude="2" metricUnit="m" metricValue="3.0" unit="m" value="300.0">300 m</quantity>
,
<date id="601E79DD1B9C7C2F2DCA1E5BAD80F136" value="2014-09-28">28. IX. 2014</date>
, all Huang Sunbin and Wang Xinhui leg.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EJCCI" type="diagnosis">
<paragraph id="24391CF3E34B01908608D6BD66CE9D50">
<heading id="876041A883BB0047ADD6EB260DD8675E" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="721DD6B20359A28E3B3F19449E204878">
Differs from congeners mostly based on the following combination of characters: (1) telopoditomere 4 of male leg 1 with a small mesal hump (Fig.
<figureCitation id="2B5DC763822FBFC89F0BB6C8BA7AAACE" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 D</figureCitation>
); (2) penis slightly higher than coxae 2 (Fig.
<figureCitation id="0195C724C7DBEE1C3366E16323A5EA3D" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 C</figureCitation>
); (3) male leg 7 with a very small coxal process, much lower than telopodite, which is made up of 4 segments and a claw (Fig.
<figureCitation id="9068E50BE9D8AC0BEB67D8A06F8E9DC4" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 F</figureCitation>
); (4) anterior gonopod (Fig.
<figureCitation id="7C4EE2CF028B0EB7BF8B2D484479C519" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 E, I</figureCitation>
) with a very long coxal process carrying a narrow, lower, membranous lobe, distally with a vague indentation. — In addition, this new species differs from all other species analyzed in a&gt; 8.0 % uncorrected
<emphasis id="FB6E130364C7A857F05F979E86A55A9B" italics="true">p</emphasis>
- distance of the
<abbrev id="ABBRID0EBDCI" xlink_title="Protein-coding gene sequences">COI</abbrev>
barcoding gene.
</paragraph>
<caption id="3FD0E9D12E63AB50E469F568BF39E33E" ID-DOI="10.3897/asp.82.e136751.figure13" ID-arpha="671ED138-BAA1-5BDD-9234-E5EF5E49FE55" httpUri="https://binary.pensoft.net/fig/1201340" startId="F13">
<paragraph id="D86889518A4C220B60BAC991029159E9">
<label id="4191AC46D6E876205930A1F0807A84BA">Figure 13.</label>
</paragraph>
<paragraph id="B9CDE2B1B22C9002AEAAC97E6C877865">
<taxonomicName id="C5C8CA16CB1DA3E0FCB1CB7700B46F95" authorityName="Chen &amp; Zhao &amp; Golovatch &amp; Liu" authorityYear="2024" class="Diplopoda" family="Mongoliulidae" genus="Skleroprotopus" kingdom="Animalia" order="Julida" phylum="Arthropoda" rank="species" species="incisodentatus" status="sp. nov.">
<emphasis id="FC47054F336A05F22FD49070B997EBC3" italics="true">Skleroprotopus incisodentatus</emphasis>
</taxonomicName>
<emphasis id="1E99FEA992C00A24681308C36C58B20E" bold="true">
<taxonomicNameLabel id="439A9115A12DC2CFC14A177DBD236463" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
. paratypes from Cave Lingjiu Dong.
<emphasis id="9ADBBE110EA53786AB6DD5832E461655" bold="true">A</emphasis>
,
<emphasis id="2E65623B5BA76CFF2733C27BF7A83423" bold="true">G</emphasis>
female paratype;
<emphasis id="9EF84FF35DB71792AD7DF84405401775" bold="true">B</emphasis>
<emphasis id="D7260EA64FC0EACAD210FAB21D067C61" bold="true">I</emphasis>
male paratype.
<emphasis id="7EFC6074F4BA7975B323520A3D5F3301" bold="true">A</emphasis>
,
<emphasis id="7062E6CE8FDB2A9F9B599F3904F039BA" bold="true">B</emphasis>
gnathochilarium;
<emphasis id="DC4149B34B526283DF65FF6386A2DAA4" bold="true">C</emphasis>
legs 2 with penis, posterior view;
<emphasis id="EE902B5F44640917B1AEA2D93EA59D7B" bold="true">D</emphasis>
legs 1, anterior view;
<emphasis id="9BF5074D037CDA0B447E3F5403EC43F3" bold="true">E</emphasis>
anterior gonopods, anterior view;
<emphasis id="803A33CA4958B198C64EB6CFC5AC9899" bold="true">F</emphasis>
legs 7, anterior view;
<emphasis id="08F3713E9B61E4388FF0CF7EBFE66273" bold="true">G</emphasis>
vulvae, lateral view;
<emphasis id="C9D1B4FA3583579879BFE0C75CD0FECF" bold="true">H</emphasis>
posterior gonopods, anterior view;
<emphasis id="BCFFD5EF0FBFD45F86209FA26709E580" bold="true">I</emphasis>
anterior gonopods, posterior view.
<emphasis id="22E09E4DDFF0CCDFF50F259C8A1F51E0" bold="true">Abbreviations</emphasis>
: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite.
<emphasis id="E18587B7F60F8D34B283B1269004169D" bold="true">Scale bars</emphasis>
: 0.2 mm.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0E4ECI" type="etymology">
<paragraph id="D16A29615EF93370AD4DA6F4A03916AE">
<heading id="890D766DF9389B7EE59B2D3249AFBB8E" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="750F5AE9D8039957D7105DE521E53902">The specific epithet refers to the distally vague indentation of a membranous lobe of anterior gonopod; adjective.</paragraph>
</subSubSection>
<subSubSection id="SECID0ECFCI" type="description">
<paragraph id="C7DDE8DD816D4379F51ED7A687C0CE12">
<heading id="183270945E1D8C1E2AAFDD07577EE056" reason="title">Description.</heading>
</paragraph>
<paragraph id="FEC380D0D7110B581E9E930C174896A7">
Length of both sexes ca 26.044.0 mm, 1.72.0 mm in diameter, body with 4868 podous + 12 apodous rings + telson. Natural coloration (Fig.
<figureCitation id="BEFCE5AE0DE9947A4302B3FE169D66CE" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Pictures of live animals, photos by Prof. Mingyi Tian from SCAU. A Skleroprotopus change sp. nov.; B Skleroprotopus megistus sp. nov.; C Skleroprotopus longissimus sp. nov.; D Skleroprotopus genjudi sp. nov.; E Skleroprotopus tiankeng sp. nov.; F Skleroprotopus laiyuanensis sp. nov.; G Skleroprotopus incisodentatus sp. nov." figureDoi="10.3897/asp.82.e136751.figure2" httpUri="https://binary.pensoft.net/fig/1201329">2 G</figureCitation>
) red brownish to purple brownish; generally yellow brownish in alcohol, prozona dark brownish. Antennae and legs yellow. Eye patches blackish, subtriangular, arranged in 68 irregular rows, altogether about 2448 ommatidia per eye patch.
</paragraph>
<paragraph id="F17B56B4E4EA1CFE1E6C22AC9095BDDE">
Head capsule smooth and hairless, eyes slightly bulged, epicranial suture well-defined. Labral margin with 2 + 2 supra-labral and 8 + 8 labral setae (Fig.
<figureCitation id="66860909A60E9DAD610AB9DEB6B6CF3A" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 B</figureCitation>
). Antennae long and slender, reaching behind to middle of ring 4 when stretched dorsally. In length, antennomeres 3&gt; 2&gt; 4 ≈ 5&gt; 4&gt; 6&gt; 7&gt; 1. Antennomeres 5 and 6 each with a distal corolla of sensilla basiconica. (Fig.
<figureCitation id="B6A93679561A44106C3958950BE2279A" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 B</figureCitation>
). Mandibular stipes well-rounded, with two small lobes in males, regularly rounded in females. Gnathochilarium with at least 5 setae on each lamella lingualis (
<emphasis id="4BBFE5FBAF1BE037697E023444F01FF1" bold="true">ll</emphasis>
); promentum (
<emphasis id="A03F7CEBFE3B43ADFB1E19EC96FD19CD" bold="true">pr</emphasis>
) short and lanceolate, anteriorly swollen in males (Fig.
<figureCitation id="C8F0F912B5C86526299EBD5377E69055" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 B</figureCitation>
), vs a narrow rhombic
<emphasis id="530C50E57F7DB4D96AD73A152647EC9F" bold="true">pr</emphasis>
in females (Fig.
<figureCitation id="DD782A2819B9753C289DFF78786F65CA" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 A</figureCitation>
).
</paragraph>
<paragraph id="AC0E7DA844693864BE22F8A722D43DB0">Collum with 1114 lower striae laterally, but lowest 2 striae not reaching the anterior margin. Prozona with 23 irregular subtransverse striae and metazona with 1625 longitudinal striae laterally. Suture dividing pro- and metazona very narrow, a regular comb. Ozopores starting with ring 6, lying mid-laterally on sides of metatergites.</paragraph>
<paragraph id="A702BC36E989A8D601FED592B1238961">Epiproct slightly protruding caudad, with 3 + 3 setae laterally. Paraprocts convex, with 1 + 1 setae. Hypoproct eye-shaped, with 1 + 1 setae.</paragraph>
<paragraph id="3358C0AC58FA6DA4241ED6E61A8F5CC3">
Legs medium-sized, about as long as midbody height. Male leg-pair 1 (Fig.
<figureCitation id="1DF4B2725E9A0BE1DB71E3066ED6DC35" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 D</figureCitation>
) hypertrophied, 5 - segmented, strongly curved anteriad; coxa (
<emphasis id="9BC751BC36141851B384EFACEE18A784" bold="true">cx</emphasis>
) and telopoditomeres 1 and 2 (
<emphasis id="90F9A7C7BA69F0C453F74901FFCE5910" bold="true">t 1</emphasis>
,
<emphasis id="277D6448615663928E414C2B42A7BF87" bold="true">t 2</emphasis>
) with some scattered long setae. Telopoditomere 3 (
<emphasis id="DE31AB556DBBDC775EA05A81AB68F6DD" bold="true">t 3</emphasis>
) longest, about 1.5 × as long as telopoditomere 4 (
<emphasis id="4D7BF4B6570CE166BBCD39D06823AF72" bold="true">t 4</emphasis>
),
<emphasis id="599298E47610CC0E89C5D95CB52A2F71" bold="true">t 4</emphasis>
irregularly shaped, subapically with a small mesal hump (
<emphasis id="9322A1C505CA58C088A578A32973DCF7" bold="true">h</emphasis>
). Male leg-pair 2 (Fig.
<figureCitation id="33BF0A675574932338163D5CD4E97C29" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 C</figureCitation>
) reduced in size; penis (
<emphasis id="967BFD17688947F0937A9C0A595A70F7" bold="true">pn</emphasis>
) relatively thick, only slightly higher than coxae (
<emphasis id="EF18E73ADD186B97CDDCA0DDEB6F7CEF" bold="true">cx</emphasis>
), distal part with 3 long setae. Male leg-pair 7 (Fig.
<figureCitation id="E0442D5841F54351B9A9FD7825D9D2FC" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 F</figureCitation>
) reduced, each leg with a 4 - segmented telopodite (
<emphasis id="960CA808D30C160B3D288FABA4641B9C" bold="true">te</emphasis>
) and a claw, telopoditomere 2 (
<emphasis id="96C773F8E3330C53C91177B573A0D11A" bold="true">t 2</emphasis>
) with a long seta subapically; coxal process (
<emphasis id="B307F19B1DFF7B7022B759E17408B924" bold="true">cp</emphasis>
) small, median margin setose.
</paragraph>
<paragraph id="80D4B5BC8D6A9FF366022598E697FABB">
Anterior gonopods (Fig.
<figureCitation id="22663BD9D1C318A0C0C7672621A57EF7" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 E, I</figureCitation>
) with a very long coxal process (
<emphasis id="4C314F5E68A9781ADAAA13BC8BB21B52" bold="true">cp</emphasis>
), bearing several short villi laterally, posteriorly carrying with a narrow, lower, membranous lobe (
<emphasis id="A0DA24D5B6C8ED11ECB6D5F805B83192" bold="true">ml</emphasis>
), outer margin of
<emphasis id="05146A83FB7F2C0D74C09309BF4C3ED1" bold="true">ml</emphasis>
smooth, with a vague indentation distally. Flagellum (
<emphasis id="48C03CF74A442DB50227362717825DE6" bold="true">f</emphasis>
) very long and slender, distally branched and villose. Telopodite (
<emphasis id="137C4DCAF1C901F3B9726176BFFAACED" bold="true">te</emphasis>
) about 3 / 4 as long as
<emphasis id="E77DECF580B85BD9FA7218308DC42977" bold="true">cp</emphasis>
, with long setae both apically and mesally, laterobasally with a minute remnant (
<emphasis id="51A3968A6B8FE82EEA76A07AB70DE64B" bold="true">r</emphasis>
) of a second podomere.
</paragraph>
<paragraph id="2E061D94CA467BED20DB05A1B4B57104">
Posterior gonopods (Fig.
<figureCitation id="4317ECCB59221BCE2BB41A8DBC58C3D3" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 H</figureCitation>
) branched distally, anterior branch smooth, with a pointed tip, posterior one densely setose.
</paragraph>
<paragraph id="11159DE642798703CC3E39F256A00D06">
Vulvae (Fig.
<figureCitation id="6CB28C191629E1D2E96D843A3753A50B" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Skleroprotopus incisodentatus sp. nov. . paratypes from Cave Lingjiu Dong. A, G female paratype; B I male paratype. A, B gnathochilarium; C legs 2 with penis, posterior view; D legs 1, anterior view; E anterior gonopods, anterior view; F legs 7, anterior view; G vulvae, lateral view; H posterior gonopods, anterior view; I anterior gonopods, posterior view. Abbreviations: a 5, a 6, antennomeres 5, 6; cp, coxal process; cx, coxa; f, flagellum; h, hump; ll, lamella lingualis; ml, membranous lobe; op, operculum; pn, penis; pr, promentum; r, remnant; t 1 t 4, telopoditomeres 14; te, telopodite. Scale bars: 0.2 mm." figureDoi="10.3897/asp.82.e136751.figure13" httpUri="https://binary.pensoft.net/fig/1201340">13 G</figureCitation>
) as usual, with two parallel rows of short setae on anterior and posterior surfaces, operculum (
<emphasis id="3DBC61AE08785B8F422D54F8C6EC5025" bold="true">op</emphasis>
) with several long setae distally.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EOICI" type="remarks">
<paragraph id="878A5F7B92940A35A2420008F060CDFB">
<heading id="68532846C67BAB7EAB9C41E1E5375480" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="09571963E5021B003DAA63B3E7033728">
This species was collected from two caves in the same county in
<collectingRegion id="7943A0DDC4F0A2A28DF2C406873AE2FF" country="China" name="Jiangxi">Jiangxi Province</collectingRegion>
, about
<quantity id="E7D8D4D71204A4D9A25C850CBE4FECD4" metricMagnitude="3" metricUnit="m" metricValue="6.0" unit="km" value="6.0">6 km</quantity>
apart. However, both are only about
<quantity id="FB8A852C4C4205F17483724B521568A3" metricMagnitude="4" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" unit="km" value="45.0" valueMax="50.0" valueMin="40.0">4050 km</quantity>
away from the collection site / cave in
<collectingRegion id="7682D565C1A7FFA6132433D92012BE2A" country="China" name="Zhejiang">Zhejiang Province</collectingRegion>
. Based on the pigmented body, black eyes, as well as moderately long legs,
<taxonomicName id="0A397C720C7E0D44C6575F6644C57310" authorityName="Chen &amp; Zhao &amp; Golovatch &amp; Liu" authorityYear="2024" class="Diplopoda" family="Mongoliulidae" genus="Skleroprotopus" kingdom="Animalia" order="Julida" phylum="Arthropoda" rank="species" species="incisodentatus" status="sp. nov.">
<emphasis id="5E566E50DACD791D6A76B0F275FC10E8" italics="true">S. incisodentatus</emphasis>
</taxonomicName>
<emphasis id="A7F5583898BF0EEB5A5FA3BEFF455665" bold="true">
<taxonomicNameLabel id="F5F0557F2B9FF8A01DA9ADFD9DA02626" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is considered a troglophile.
</paragraph>
</subSubSection>
</treatment>
</document>