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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1091.80094" ID-GBIF-Dataset="e44d6393-3bcc-40cf-951d-baf2ea60e3d7" ID-PMC="PMC9005461" ID-Pensoft-Pub="1313-2970-1091-1" ID-Pensoft-UUID="5F0D3C63092E5DD0B4BEA94B0EFCECEE" ID-PubMed="35586018" ID-ZooBank="233422880BA943569E39E8B85102A7AB" ModsDocID="1313-2970-1091-1" checkinTime="1648741055020" checkinUser="pensoft" docAuthor="Nguyen, Anh D. &amp; Eguchi, Katsuyuki" docDate="2022" docId="BED65A578088522DA2DA4CBDFDED8643" docLanguage="en" docName="ZooKeys 1091: 1-13" docOrigin="ZooKeys 1091" docPubDate="2022-03-31" docSource="http://dx.doi.org/10.3897/zookeys.1091.80094" docTitle="Tylopus helicorthomorphoides Nguyen &amp; Eguchi 2022, sp. nov." docType="treatment" docUuid="5CD2F36B-E138-490F-B426-ABFDB47D3A96" docUuidSource="ZooBank" docVersion="4" id="5F0D3C63092E5DD0B4BEA94B0EFCECEE" lastPageNumber="1" masterDocId="5F0D3C63092E5DD0B4BEA94B0EFCECEE" masterDocTitle="Mountainous millipedes in Vietnam. II. A conspicuous Tylopus species from Northern Vietnam (Diplopoda, Polydesmida, Paradoxosomatidae)" masterLastPageNumber="13" masterPageNumber="1" pageNumber="1" updateTime="1668151570649" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Mountainous millipedes in Vietnam. II. A conspicuous Tylopus species from Northern Vietnam (Diplopoda, Polydesmida, Paradoxosomatidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nguyen, Anh D.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9273-0040</mods:nameIdentifier>
<mods:affiliation>Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoangquocviet Rd., Caugiay District, Hanoi, Vietnam &amp; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoangquocviet Rd., Caugiay District, Hanoi, Vietnam</mods:affiliation>
<mods:nameIdentifier type="email">ducanh410@yahoo.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Eguchi, Katsuyuki</mods:namePart>
<mods:affiliation>Department of Biology, Faculty of Science, Tokyo Metropolitan University, Hachioji-shi, Tokyo Prefecture, Japan</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-03-31</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1091</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>13</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1091.80094</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1091.80094</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1091-1</mods:identifier>
<mods:identifier type="ZooBank">233422880BA943569E39E8B85102A7AB</mods:identifier>
<mods:identifier type="Pensoft-UUID">5F0D3C63092E5DD0B4BEA94B0EFCECEE</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="194317845" LSID="urn:lsid:zoobank.org:act:5CD2F36B-E138-490F-B426-ABFDB47D3A96" httpUri="http://treatment.plazi.org/id/BED65A578088522DA2DA4CBDFDED8643" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="http://zoobank.org/5CD2F36B-E138-490F-B426-ABFDB47D3A96" authority="Nguyen &amp; Eguchi, 2022" authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides" status="sp. nov.">Tylopus helicorthomorphoides</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Distribution of Tylopus helicorthomorphoides sp. nov. Tam Dao (Red triangular); Bac Me (Red circle)" figureDoi="10.3897/zookeys.1091.80094.figure1" httpUri="https://binary.pensoft.net/fig/665843" pageId="0" pageNumber="1">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">, 4</figureCitation>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Right gonopod, mesal view (A) ventral view (B) dorsal view (C) lateral view (D). Scale bar: 0.1 mm. co = coxite, pfe = prefemorite, fe = femorite, sl = solenomere, sph = solenophore, sg = seminal groove, l = lamella l." figureDoi="10.3897/zookeys.1091.80094.figure5" httpUri="https://binary.pensoft.net/fig/665847" pageId="0" pageNumber="1">, 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2017-02-25" collectorName="Anh D. Nguyen" country="Vietnam" elevation="1100" location="Tam Dao" municipality="Tam Dao National Park" specimenCount="1" specimenCount-male="1" stateProvince="Vinh Phuc Province" typeStatus="Holotype">
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">
<typeStatus>Holotype</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry name="Vietnam">Vietnam</collectingCountry>
<specimenCount type="male">1 male</specimenCount>
;
<collectingRegion country="Vietnam" name="Vinh Phuc">Vinh Phuc Province</collectingRegion>
,
<collectingMunicipality>Tam Dao National Park</collectingMunicipality>
, on the way to
<location LSID="urn:lsid:plazi:treatment:BED65A578088522DA2DA4CBDFDED8643:95B463F3F10FBAC2D8965258226D1C7E" country="Vietnam" municipality="Tam Dao National Park" name="Tam Dao" stateProvince="Vinh Phuc Province">Tam Dao</location>
2;
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.1" unit="m" value="1100.0">
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.1" unit="m" value="1100.0">1,100 m</quantity>
a.s.l.
</elevation>
;
<collectingDate value="2017-02-25">25 Feb. 2017</collectingDate>
;
<collectorName>Anh D. Nguyen</collectorName>
leg.; natural forests; IEBR-Myr 603H.
</materialsCitation>
</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="Anh D. Nguyen" country="Vietnam" elevation="1100" location="Vietnam" municipality="Tam Dao National Park" specimenCount="2" specimenCount-female="2" stateProvince="Vinh Phuc" typeStatus="Paratypes">
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">
<typeStatus>Paratypes</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry name="Vietnam">Vietnam</collectingCountry>
<specimenCount type="female">2 females</specimenCount>
; same data as for holotype; IEBR-Myr 603P
</materialsCitation>
<materialsCitation collectingDate="2019-12-10" collectorName="Hoang Quang Duy" country="Vietnam" elevation="1081" latitude="21.46065" location="Tam Dao National Park" longLatPrecision="1" longitude="105.64863" specimenCount="1" specimenCount-male="1" stateProvince="Vinh Phuc Province" typeStatus="paratype">
<specimenCount type="male">1 male</specimenCount>
;
<collectingRegion country="Vietnam" name="Vinh Phuc">Vinh Phuc Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:BED65A578088522DA2DA4CBDFDED8643:D0D6333BA1AFBBA1C1EE07D4DCD1432D" country="Vietnam" latitude="21.46065" longLatPrecision="1" longitude="105.64863" name="Tam Dao National Park" stateProvince="Vinh Phuc Province">Tam Dao National Park</location>
, on way to TV tower;
<geoCoordinate degrees="21.46065" direction="north" orientation="latitude" precision="1" value="21.46065">21.46065°N</geoCoordinate>
,
<geoCoordinate degrees="105.64863" direction="east" orientation="longitude" precision="1" value="105.64863">105.64863°E</geoCoordinate>
;
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.081" unit="m" value="1081.0">
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.081" unit="m" value="1081.0">1,081 m</quantity>
a.s.l.
</elevation>
;
<collectingDate value="2019-12-10">10 Dec. 2019</collectingDate>
;
<collectorName>Hoang Quang Duy</collectorName>
leg.; natural forests; IEBR-Myr 876
</materialsCitation>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Non-type</emphasis>
.
</emphasis>
<materialsCitation collectingDate="2018-12-12" collectingDateMax="2018-12-13" collectingDateMin="2018-12-12" collectorName="Anh D. Nguyen" country="Vietnam" county="Bac Me Natural Reserve" elevation="361" latitude="22.71814" location="Lung Can village" longLatPrecision="1" longitude="105.17997" municipality="Minh Ngoc" specimenCount="1" specimenCount-male="1" stateProvince="Ha Giang Province">
<collectingCountry name="Vietnam">Vietnam</collectingCountry>
<specimenCount type="male">1 male</specimenCount>
;
<collectingRegion country="Vietnam" name="Ha Giang">Ha Giang Province</collectingRegion>
,
<collectingCounty>Bac Me Natural Reserve</collectingCounty>
,
<collectingMunicipality>Minh Ngoc</collectingMunicipality>
commune,
<location LSID="urn:lsid:plazi:treatment:BED65A578088522DA2DA4CBDFDED8643:89F9DB7881318447C4E2843FA73149BA" country="Vietnam" county="Bac Me Natural Reserve" latitude="22.71814" longLatPrecision="1" longitude="105.17997" municipality="Minh Ngoc" name="Lung Can village" stateProvince="Ha Giang Province">Lung Can village</location>
;
<geoCoordinate degrees="22.71814" direction="north" orientation="latitude" precision="1" value="22.71814">22.71814°N</geoCoordinate>
,
<geoCoordinate degrees="105.17997" direction="east" orientation="longitude" precision="1" value="105.17997">105.17997°E</geoCoordinate>
;
<elevation metricMagnitude="2" metricUnit="m" metricValue="3.61" unit="m" value="361.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="3.61" unit="m" value="361.0">361 m</quantity>
a.s.l.
</elevation>
;
<collectingDate value="2018-12-12" valueMax="2018-12-13" valueMin="2018-12-12">12-13 Dec. 2018</collectingDate>
;
<collectorName>Anh D. Nguyen</collectorName>
leg.; bushes (IEBR-Myr 809)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="diagnosis">
<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="1">
The new species distinctly differs from its congeners in having a three-times spiraled solenophore of the gonopods and postfemoral lamella l present while spine z and process h totally absent. The new species is slightly similar to its congener
<taxonomicName lsidName="T. strongylomoides" pageId="0" pageNumber="1" rank="species" species="strongylomoides">
<emphasis italics="true" pageId="0" pageNumber="1">T. strongylomoides</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Korsórs">Korsors</normalizedToken>
&amp; Golovatch, 1989), from the same locality (Tam Dao National Park), in having a twisted solenophore and solenomere. However, the new species obviously differs from
<taxonomicName lsidName="T. strongylosomoides" pageId="0" pageNumber="1" rank="species" species="strongylosomoides">
<emphasis italics="true" pageId="0" pageNumber="1">T. strongylosomoides</emphasis>
</taxonomicName>
in having a more strongly coiled solenophore and solenomere (3
<normalizedToken originalValue="×">x</normalizedToken>
vs 1.5
<normalizedToken originalValue="×">x</normalizedToken>
).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Regarding the gonopod conformation, the new species is somewhat similar to species of the genus
<taxonomicName authorityName="Attems" authorityYear="1914" class="Diplopoda" family="Paradoxosomatidae" genus="Helicorthomorpha" kingdom="Animalia" lsidName="Helicorthomorpha" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Helicorthomorpha</emphasis>
</taxonomicName>
in the twist of both the solenophore and solenomere. However, the postfemoral region of
<taxonomicName authorityName="Attems" authorityYear="1914" class="Diplopoda" family="Paradoxosomatidae" genus="Helicorthomorpha" kingdom="Animalia" lsidName="Helicorthomorpha" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Helicorthomorpha</emphasis>
</taxonomicName>
members is more elaborate, twisted, and carries no additional processes, whereas that of the new species is spiraled or coiled rather than twisted, and has a postfemoral lamella.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">
The species epithet,
<emphasis italics="true" pageId="0" pageNumber="1">helicorthomorphoides</emphasis>
, is used to emphasize the similarity of the gonopod solenophore between the new species and those of the genus
<taxonomicName authorityName="Attems" authorityYear="1914" class="Diplopoda" family="Paradoxosomatidae" genus="Helicorthomorpha" kingdom="Animalia" lsidName="Helicorthomorpha" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Helicorthomorpha</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">Body length ~ 14.4 mm (male) and 14.9 mm (female). Width of midbody pro- and metazona ~ 1.2 mm (male), 1.6 mm (female) and 1.6 mm (male), 1.9 mm (female), respectively.</paragraph>
<paragraph pageId="0" pageNumber="1">
Body generally brownish yellow or darkish yellow except antennomere 7 and metaterga with a darker, median, V-shaped region (or median triangular-shaped area on metaterga) (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2</figureCitation>
-
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">4</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
<taxonomicName authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov. Holotype (IEBR-Myr 603H). Anterior part of body, lateral view (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
) dorsal view (
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
) ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
) midbody segments, lateral view (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Head (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2B, C</figureCitation>
) slightly smaller than collum, labroclypeous region densely setose. Epicranial suture clearly distinct, dividing frons into two equal parts, with 2+2 setae along suture. Frons convex. Antenna (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2A-C</figureCitation>
) short, reaching to approximately tergum 2 laterally. Antennomere 1=7&lt;2=3=4=5&lt;6; antennomere 6 largest, obviously clavate.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Collum (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2B</figureCitation>
) oval-shaped, surface smooth, without granulates or tubercles, but with 2+2 setae near anterior margin and 2+2 setae in intermediate area. Paratergum well developed, subtriangular, with broad corner.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Body segments 3&lt;4&lt;2=5-17, thereafter gradually tapering towards telson. Prozonae and metazonae clearly divided by deep, striated waists. Prozonae smooth, shining, yellowish brown, with a median, broad, longitudinal yellow stria (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2B</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3A</figureCitation>
). Metazonae (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2B</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3A</figureCitation>
) smooth, shining, with 2+2 setae near anterior margin, two lateral spotted areas, and 2+2 or 3+3 oblong knobs near posterior margin. These knobs more obvious on posterior segments.
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 3.</emphasis>
<taxonomicName authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov. Holotype (IEBR-Myr 603H). Midbody segments, dorsal view (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
) posterior part of body, lateral view (
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
) dorsal view (
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
) ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Metatergal sulcus starting on segment 4 but clearly present from segment 5, nearly reaching base of paraterga (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2B</figureCitation>
). Axial line distinct.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Paraterga (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2A, B, D</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3A-C</figureCitation>
) well developed, wing-shaped, with at least one setiferous incision near anterior, broadly round corner; caudal corner acute, more pointed from mid-body segment onwards, but never reaching following segment. Caudal corner of paraterga 17-19 very pointed, spine-like (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3C, D</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Ozopores located inside round hollows at the caudolateral sides of paraterga 5, 7, 9, 10, 12, 13, and 15-19 (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2A, D</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3B</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Pleurites (Figs
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2A, D</figureCitation>
,
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3B</figureCitation>
) smooth, not granulated. Pleurosternal carinae (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Anterior part of body, lateral view (A) dorsal view (B) ventral view (C) midbody segments, lateral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure2" httpUri="https://binary.pensoft.net/fig/665844" pageId="0" pageNumber="1">2A</figureCitation>
) present until segment 8, with a small tubercle-like projection, then gradually reduced or missing on subsequent segments.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Telson</emphasis>
(Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Midbody segments, dorsal view (A) posterior part of body, lateral view (B) dorsal view (C) ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure3" httpUri="https://binary.pensoft.net/fig/665845" pageId="0" pageNumber="1">3C, D</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">4A</figureCitation>
). Epiproct strongly concave, forming two long lateral tubercles. Hypoproct sub-trapeziform, with two separated distolateral setiferous knobs.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">
<taxonomicName authorityName="Linnaeus" authorityYear="1758" class="Aves" family="Laridae" genus="Sterna" kingdom="Animalia" lsidName="Sterna" order="Charadriiformes" pageId="0" pageNumber="1" phylum="Chordata" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Sterna</emphasis>
</taxonomicName>
.
</emphasis>
Cross impression distinct. Sternum 5 with a large rectangular lamina between coxae 4 (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">4B</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 4.</emphasis>
<taxonomicName authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov. Holotype (IEBR-Myr 603H). Epiproct, paraproct and hypoproct (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
) sternal process between coxae 4, ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
) leg 6 (
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
) gonopods, ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Leg short, ~ 1.5
<normalizedToken originalValue="×">x</normalizedToken>
as long as midbody height. Prefemora swollen dorsally. Tarsal brushes present till legs 21, then gradually thinner and absent on subsequent legs. Adenostyles present on postfemora and tibiae, each with a small knob/tubercle (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">4C</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Gonopod suberect, simple (Figs
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Epiproct, paraproct and hypoproct (A) sternal process between coxae 4, ventral view (B) leg 6 (C) gonopods, ventral view (D)." figureDoi="10.3897/zookeys.1091.80094.figure4" httpUri="https://binary.pensoft.net/fig/665846" pageId="0" pageNumber="1">4D</figureCitation>
,
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Right gonopod, mesal view (A) ventral view (B) dorsal view (C) lateral view (D). Scale bar: 0.1 mm. co = coxite, pfe = prefemorite, fe = femorite, sl = solenomere, sph = solenophore, sg = seminal groove, l = lamella l." figureDoi="10.3897/zookeys.1091.80094.figure5" httpUri="https://binary.pensoft.net/fig/665847" pageId="0" pageNumber="1">5</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Tylopus helicorthomorphoides sp. nov. Holotype (IEBR-Myr 603 H). Right gonopod, mesal view (A) dorsal view (B) ventral view (C) lateral view (D). Scale bar: 0.1 mm. co = coxite, pfe = prefemorite, fe = femorite, sl = solenomere, sph = solenophore, sg = seminal groove, l = lamella l." figureDoi="10.3897/zookeys.1091.80094.figure6" httpUri="https://binary.pensoft.net/fig/665848" pageId="0" pageNumber="1">6</figureCitation>
). Coxite short, with sparsely setose distoventral part. Telopodite long and erect. Prefemorite densely setose, separated from femorite by an oblique sulcus laterally. Femorite somewhat enlarged distally and slightly twisted, without modifications or additional processes. Postfemoral region consisting of a solenomere and a solenophore, both completely coiled 3
<normalizedToken originalValue="×">x</normalizedToken>
; lamina l present, spine z and process h missing. Seminal groove running entirely on mesal side of femorite, then entering flagelliform solenomere completely sheathed by solenophore. Tip of gonopod strongly bifid.
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure5" httpUri="https://binary.pensoft.net/fig/665847" pageId="0" pageNumber="1" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 5.</emphasis>
<taxonomicName authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov. Holotype (IEBR-Myr 603H). Right gonopod, mesal view (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
) ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
) dorsal view (
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
) lateral view (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
). Scale bar: 0.1 mm. co = coxite, pfe = prefemorite, fe = femorite, sl = solenomere, sph = solenophore, sg = seminal groove, l = lamella l.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="genetic distance">
<paragraph pageId="0" pageNumber="1">Genetic distance.</paragraph>
<paragraph pageId="0" pageNumber="1">
The COI Kimura 2-Parameter (K2P) distance between the new species and other
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
species was reported in
<bibRefCitation DOI="https://doi.org/10.15625/2615-9023/15761" author="Anh, ND" journalOrPublisher="Academia Journal of Biology" pageId="0" pageNumber="1" pagination="37 - 45" refId="B1" refString="Anh, ND, Nguyen, TTA, Phung, THL, Hoa, DT, Son, NG, 2021. The DNA barcodes for the species delimitation of the genus Tylopus Jeekel, 1968 in Vietnam (Diplopoda: Polydesmida: Paradoxosomatidae). Academia Journal of Biology 43 (2): 37 - 45, DOI: https://doi.org/10.15625/2615-9023/15761" title="The DNA barcodes for the species delimitation of the genus Tylopus Jeekel, 1968 in Vietnam (Diplopoda: Polydesmida: Paradoxosomatidae)." url="https://doi.org/10.15625/2615-9023/15761" volume="43" year="2021">Anh et al. (2021)</bibRefCitation>
. The distance was from 12.2% to 15.6%. This distance was obviously narrower than the distances between
<taxonomicName authorityName="Verhoeff" authorityYear="1924" class="Diplopoda" family="Zephroniidae" genus="Sphaerobelum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaerobelum" order="Sphaerotheriida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Sphaerobelum</emphasis>
</taxonomicName>
species (from 20.2% to 24.4%) (
<bibRefCitation DOI="https://doi.org/10.1080/00379271.2020.1811153" author="Zhao, Y" journalOrPublisher=")" pageId="0" pageNumber="1" pagination="341 - 348" refId="B32" refString="Zhao, Y, Yu, J, Liu, W, 2020. A molecular based phylogeny of the millipede genus Sphaerobelum Verhoeff, 1924, with the first record of the genus from mainland China (Diplopoda: Sphaerotheriida: Zephroniidae). Annales de la Societe entomologique de France (N.S.) 56 (4): 341 - 348, DOI: https://doi.org/10.1080/00379271.2020.1811153" title="A molecular based phylogeny of the millipede genus Sphaerobelum Verhoeff, 1924, with the first record of the genus from mainland China (Diplopoda: Sphaerotheriida: Zephroniidae). Annales de la Societe entomologique de France (N. S." url="https://doi.org/10.1080/00379271.2020.1811153" volume="56" year="2020">Zhao et al. 2020</bibRefCitation>
), but more likely similar to the distances between
<taxonomicName authorityName="Latreille" authorityYear="1802" class="Diplopoda" family="Glomeridae" genus="Glomeris" kingdom="Animalia" lsidName="Glomeris" order="Glomerida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Glomeris</emphasis>
</taxonomicName>
species (from 11.5% to 17.1%) (
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.3999.4.7" author="Wesener, T" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="571 - 580" refId="B30" refString="Wesener, T, 2015. No millipede endemics north of the Alps? DNA-Barcoding reveals Glomeris malmivaga Verhoeff, 1912 as a synonym of G. ornata Koch, 1847 (Diplopoda, Glomerida, Glomeridae). Zootaxa 3999 (4): 571 - 580, DOI: https://doi.org/10.11646/zootaxa.3999.4.7" title="No millipede endemics north of the Alps? DNA-Barcoding reveals Glomeris malmivaga Verhoeff, 1912 as a synonym of G. ornata Koch, 1847 (Diplopoda, Glomerida, Glomeridae)." url="https://doi.org/10.11646/zootaxa.3999.4.7" volume="3999" year="2015">Wesener 2015</bibRefCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure6" httpUri="https://binary.pensoft.net/fig/665848" pageId="0" pageNumber="1" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 6.</emphasis>
<taxonomicName authorityName="Nguyen &amp; Eguchi" authorityYear="2022" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus helicorthomorphoides" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov. Holotype (IEBR-Myr 603H). Right gonopod, mesal view (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
) dorsal view (
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
) ventral view (
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
) lateral view (
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
). Scale bar: 0.1 mm. co = coxite, pfe = prefemorite, fe = femorite, sl = solenomere, sph = solenophore, sg = seminal groove, l = lamella l.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="phylogenetic analysis">
<paragraph pageId="0" pageNumber="1">Phylogenetic analysis.</paragraph>
<paragraph pageId="0" pageNumber="1">
The twenty included samples of
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
members were divided into two different lineages (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Phylogenetic diagram inferred from the 956 bp COI- 16 S rRNA dataset using Maximum Likelihood analysis. Numbers shown at nodes are bootstrap values." figureDoi="10.3897/zookeys.1091.80094.figure7" httpUri="https://binary.pensoft.net/fig/665849" pageId="0" pageNumber="1">7</figureCitation>
). The first lineage,
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
I, consisting of three species,
<taxonomicName lsidName="T. hilaroides" pageId="0" pageNumber="1" rank="species" species="hilaroides">
<emphasis italics="true" pageId="0" pageNumber="1">T. hilaroides</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="T. sapaensis" pageId="0" pageNumber="1" rank="species" species="sapaensis">
<emphasis italics="true" pageId="0" pageNumber="1">T. sapaensis</emphasis>
</taxonomicName>
, and
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
sp.1, was a sister clade of the genus
<taxonomicName authorityName="Cook" authorityYear="1911" class="Diplopoda" family="Paradoxosomatidae" genus="Oxidus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oxidus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Oxidus</emphasis>
</taxonomicName>
with 95% bootstrap support.
</paragraph>
<caption doi="10.3897/zookeys.1091.80094.figure7" httpUri="https://binary.pensoft.net/fig/665849" pageId="0" pageNumber="1" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 7.</emphasis>
Phylogenetic diagram inferred from the 956 bp COI-16S rRNA dataset using Maximum Likelihood analysis. Numbers shown at nodes are bootstrap values.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
The second lineage,
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
II, was clearly separated from the clade
<taxonomicName authorityName="Cook" authorityYear="1911" class="Diplopoda" family="Paradoxosomatidae" genus="Oxidus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oxidus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Oxidus</emphasis>
</taxonomicName>
+
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
I with high bootstrap support (97%). The new species,
<taxonomicName lsidName="T. helicorthomorphoides" pageId="0" pageNumber="1" rank="species" species="helicorthomorphoides">
<emphasis italics="true" pageId="0" pageNumber="1">T. helicorthomorphoides</emphasis>
</taxonomicName>
sp. nov., was positioned in this lineage and is closely related to
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
sp. 4 (IEBR-Myr 509), but with low bootstrap support (49%). In addition, the relationship between
<taxonomicName authorityName="Jeekel" authorityYear="1968" class="Diplopoda" family="Paradoxosomatidae" genus="Tylopus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tylopus" order="Polydesmida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Tylopus</emphasis>
</taxonomicName>
species in the second lineage was very poorly supported (bootstrap less than 70%), except the clade
<taxonomicName lsidName="T. crassipes" pageId="0" pageNumber="1" rank="species" species="crassipes">
<emphasis italics="true" pageId="0" pageNumber="1">T. crassipes</emphasis>
</taxonomicName>
+
<taxonomicName lsidName="T. roseiparaterga" pageId="0" pageNumber="1" rank="species" species="roseiparaterga">
<emphasis italics="true" pageId="0" pageNumber="1">T. roseiparaterga</emphasis>
</taxonomicName>
, with a bootstrap value of 90%.
</paragraph>
</subSubSection>
</treatment>
</document>