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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.861.35430" ID-GBIF-Dataset="3dd5a0a3-e739-4706-8656-86f1824d8628" ID-PMC="PMC6629712" ID-Pensoft-Pub="1313-2970-861-129" ID-PubMed="31335921" ID-ZooBank="DAD076A6B8B74FEE94C4CFB56E0B6338" ModsDocID="1313-2970-861-129" checkinTime="1565091102027" checkinUser="pensoft" docAuthor="Wu, Min, Chen, Zheyu &amp; Zhu, Xiaoran" docDate="2019" docId="EC88CC8D2C1DE5DFD4876B7E0257438B" docLanguage="en" docName="ZooKeys 861: 129-144" docOrigin="ZooKeys 861" docSource="http://dx.doi.org/10.3897/zookeys.861.35430" docTitle="Bradybaena linjun Wu &amp; Chen, sp. nov." docType="treatment" docUuid="834A1B9F-7272-4188-9FD5-2121A9D26443" docUuidSource="ZooBank" docVersion="6" lastPageNumber="141" masterDocId="FFEEF601C2343917FF8CFFB05247FFF0" masterDocTitle="Two new camaenid land snails (Eupulmonata) from Central China" masterLastPageNumber="144" masterPageNumber="129" pageNumber="136" updateTime="1668167505894" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Two new camaenid land snails (Eupulmonata) from Central China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wu, Min</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Zheyu</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhu, Xiaoran</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>861</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>129</mods:start>
<mods:end>144</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.861.35430</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.861.35430</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-861-129</mods:identifier>
<mods:identifier type="ZooBank">DAD076A6B8B74FEE94C4CFB56E0B6338</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="158578434" LSID="urn:lsid:zoobank.org:act:834A1B9F-7272-4188-9FD5-2121A9D26443" httpUri="http://treatment.plazi.org/id/EC88CC8D2C1DE5DFD4876B7E0257438B" lastPageId="12" lastPageNumber="141" pageId="7" pageNumber="136">
<subSubSection pageId="7" pageNumber="136" type="nomenclature">
<paragraph pageId="7" pageNumber="136">
<taxonomicName LSID="EC88CC8D2C1DE5DFD4876B7E0257438B" authority="Wu &amp; Chen" class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena linjun" order="Stylommatophora" pageId="7" pageNumber="136" phylum="Mollusca" rank="species" species="linjun">Bradybaena linjun Wu &amp; Chen</taxonomicName>
<taxonomicNameLabel pageId="7" pageNumber="136">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Distribution map. 1 Sinochloritis lii Wu &amp; Chen, gen. &amp; sp. nov.; 2 Bradybaena linjun Wu &amp; Chen, sp. nov." figureDoi="10.3897/zookeys.861.35430.figure1" httpUri="https://binary.pensoft.net/fig/315287" pageId="7" pageNumber="136">Figs 1</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Bradybaena linjun Wu &amp; Chen, sp. nov. A holotype, HBUMM 08241 - specimen 1 B paratype, HBUMM 08241 - specimen 2." figureDoi="10.3897/zookeys.861.35430.figure7" httpUri="https://binary.pensoft.net/fig/315296" pageId="7" pageNumber="136">7</figureCitation>
,
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="7" pageNumber="136">8</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="7" pageNumber="136">9</figureCitation>
,
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. Habitat, photographer Zheyu Chen." figureDoi="10.3897/zookeys.861.35430.figure10" httpUri="https://binary.pensoft.net/fig/315295" pageId="7" pageNumber="136">10</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="8" pageNumber="137" type="materials_examined">
<paragraph pageId="8" pageNumber="137">
<pageBreakToken pageId="8" pageNumber="137" start="start">Material</pageBreakToken>
examined.
</paragraph>
<paragraph pageId="8" pageNumber="137">
<emphasis bold="true" pageId="8" pageNumber="137">Holotype</emphasis>
, fma (HBUMM08241-specimen 1,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Bradybaena linjun Wu &amp; Chen, sp. nov. A holotype, HBUMM 08241 - specimen 1 B paratype, HBUMM 08241 - specimen 2." figureDoi="10.3897/zookeys.861.35430.figure7" httpUri="https://binary.pensoft.net/fig/315296" pageId="8" pageNumber="137">Fig. 7A</figureCitation>
). Hubei Province, Yichang, Changyang Tujia Autonomous Prefecture, Longzhoupin;
<geoCoordinate degrees="31" direction="north" minutes="28" orientation="latitude" precision="15" seconds="9" value="31.469168">31°28'9&quot;N</geoCoordinate>
,
<geoCoordinate degrees="111" direction="east" minutes="11" orientation="longitude" precision="15" seconds="14" value="111.187225">111°11'14&quot;E</geoCoordinate>
, 103 m a. s. l.; 2018-VII; coll. Chen, Zheyu.
<emphasis bold="true" pageId="8" pageNumber="137">Paratype</emphasis>
, 1 fma (HBUMM08241-specimen 2,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Bradybaena linjun Wu &amp; Chen, sp. nov. A holotype, HBUMM 08241 - specimen 1 B paratype, HBUMM 08241 - specimen 2." figureDoi="10.3897/zookeys.861.35430.figure7" httpUri="https://binary.pensoft.net/fig/315296" pageId="8" pageNumber="137">Fig. 7B</figureCitation>
), the same collection information as holotype. Foot muscle was cut off and preserved in 99.7% alcohol at -20 °C (HBUMM08242).
</paragraph>
<caption doi="10.3897/zookeys.861.35430.figure7" httpUri="https://binary.pensoft.net/fig/315296" pageId="8" pageNumber="137" start="Figure 7" startId="F7">
<paragraph pageId="8" pageNumber="137">
Figure 7.
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena linjun" order="Stylommatophora" pageId="8" pageNumber="137" phylum="Mollusca" rank="species" species="linjun">
<emphasis italics="true" pageId="8" pageNumber="137">Bradybaena linjun</emphasis>
</taxonomicName>
Wu &amp; Chen, sp. nov.
<emphasis bold="true" pageId="8" pageNumber="137">A</emphasis>
holotype, HBUMM08241-specimen 1
<emphasis bold="true" pageId="8" pageNumber="137">B</emphasis>
paratype, HBUMM08241-specimen 2.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="9" pageNumber="138" type="diagnosis">
<paragraph pageId="9" pageNumber="138">
<pageBreakToken pageId="9" pageNumber="138" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph pageId="9" pageNumber="138">Shell depressed; dextral. Columella oblique. Periphery rounded. A peripheral and a supraperipheral chestnut band present. Penis internally with numerous crossing pilasters of equal thickness that form a network. Love dart hollow and C-shaped in cross section. Accessory sac externally invisible. Mucous glands two, very short thyrsiform (not branched) tubes; entering accessory sac through simple pore. Shell about 4.5 whorls, breadth 13-17 mm.</paragraph>
</subSubSection>
<subSubSection lastPageId="11" lastPageNumber="140" pageId="9" pageNumber="138" type="description">
<paragraph pageId="9" pageNumber="138">Description.</paragraph>
<paragraph lastPageId="10" lastPageNumber="139" pageId="9" pageNumber="138">
Shell (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Bradybaena linjun Wu &amp; Chen, sp. nov. A holotype, HBUMM 08241 - specimen 1 B paratype, HBUMM 08241 - specimen 2." figureDoi="10.3897/zookeys.861.35430.figure7" httpUri="https://binary.pensoft.net/fig/315296" pageId="9" pageNumber="138">Fig. 7</figureCitation>
). Depressed; thin; dextral. Whorls convex. Suture impressed. Half umbilicus covered by reflexed columellar lip. Columella oblique. Proto
<pageBreakToken pageId="10" pageNumber="139" start="start">conch</pageBreakToken>
not granulate, smooth. Teleoconch with dense spiral furrows. Aperture oblique; not sinuate at peristome. Body whorl slightly descending behind aperture. Shell surface without ribs. Growth lines fine. Adult shell not hairy or scaly. Adult body whorl rounded at periphery; basally convex. Ring-like thickening within aperture absent. Peristome thin; slightly reflexed. Callus thin and transparent. Shell glossy; uniformly brownish yellow; with a peripheral and a supraperipheral chestnut bands. Measurements (holotype is larger in size): shell height 8.8-10.7 mm, shell breadth 13.2-16.6 mm, aperture height 5.9-6.0 mm, aperture width 7.0-9.7 mm, embryonic shell whorls 1.625, whorls 4.250-4.625, shell height/ breadth ratio 0.64-0.67.
</paragraph>
<paragraph pageId="10" pageNumber="139">
General anatomy (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="10" pageNumber="139">Figs 8</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">9F</figureCitation>
). A high head wart between ommatophores present (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="10" pageNumber="139">Fig. 8A, C</figureCitation>
). On corresponding internal body wall no particular structure present (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="10" pageNumber="139">Fig. 8D</figureCitation>
). On left side of mantle edge, a leaf-shaped appendage present (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="10" pageNumber="139">Fig. 8B</figureCitation>
, arrowed). Body light brown; with whitish striae posterior to wart. Sole creamy white. Jaw arcuate; with about thirteen more or less projecting ribs (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">Fig. 9F</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="10" pageNumber="139" start="Figure 8" startId="F8">
<paragraph pageId="10" pageNumber="139">
Figure 8.
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena linjun" order="Stylommatophora" pageId="10" pageNumber="139" phylum="Mollusca" rank="species" species="linjun">
<emphasis italics="true" pageId="10" pageNumber="139">Bradybaena linjun</emphasis>
</taxonomicName>
Wu &amp; Chen, sp. nov., holotype, HBUMM08241-specimen 1.
<emphasis bold="true" pageId="10" pageNumber="139">A, C</emphasis>
showing head wart
<emphasis bold="true" pageId="10" pageNumber="139">B</emphasis>
leaf-shaped appendage (arrowed) on left margin of mantle
<emphasis bold="true" pageId="10" pageNumber="139">D</emphasis>
internal body wall between ommatophore insertions, showing no gland.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139" start="Figure 9" startId="F9">
<paragraph pageId="10" pageNumber="139">
Figure 9.
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena linjun" order="Stylommatophora" pageId="10" pageNumber="139" phylum="Mollusca" rank="species" species="linjun">
<emphasis italics="true" pageId="10" pageNumber="139">Bradybaena linjun</emphasis>
</taxonomicName>
Wu &amp; Chen, sp. nov., holotype, HBUMM08241-specimen 1.
<emphasis bold="true" pageId="10" pageNumber="139">A, B</emphasis>
both sides of genitalia, general view
<emphasis bold="true" pageId="10" pageNumber="139">C</emphasis>
bottom of dart apparatus, showing mucous glands insertion
<emphasis bold="true" pageId="10" pageNumber="139">D</emphasis>
penis, exposed
<emphasis bold="true" pageId="10" pageNumber="139">E</emphasis>
love dart in cross section
<emphasis bold="true" pageId="10" pageNumber="139">F</emphasis>
jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens.
</paragraph>
</caption>
<paragraph lastPageId="11" lastPageNumber="140" pageId="10" pageNumber="139">
Genitalia (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">Fig. 9</figureCitation>
). Membranous sac surrounding terminal genitalia present (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">Fig. 9A, B</figureCitation>
). Penis sheath about 1/3 penis length. Penis very thick; externally simple. Penial retractor muscle inserting on epiphallus. Epiphallus slightly thicker than vas deferens. Flagellum absent. Epiphallic papilla absent (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">Fig. 9D</figureCitation>
). Penis internally with numerous crossing pilasters of equal thickness that form a network (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="10" pageNumber="139">Fig. 9D</figureCitation>
). Dart sac
<pageBreakToken pageId="11" pageNumber="140" start="start">present</pageBreakToken>
. Love dart spoon-shaped, hollow and C-shaped in cross section (observed in holotype,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="11" pageNumber="140">Fig. 9E</figureCitation>
). Accessory sac invisible externally (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="11" pageNumber="140">Fig. 9C</figureCitation>
). Poly-layered structure present between mucous gland insertion and vagina. Mucous glands two tubes; much shorter than dart sac in length; each thyrsiform rather than branched (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, B both sides of genitalia, general view C bottom of dart apparatus, showing mucous glands insertion D penis, exposed E love dart in cross section F jaw. Scale bars: 1 mm. At - atrium; BCD - bursa copulatrix duct; DS - dart sac; DVM - membranous sac surrounding terminal genitalia; Ep - epiphallus; FO - free oviduct; MG - mucous glands; P - penis; PR - penial retractor muscle; PS - penis sheath; Va - vagina; VD - vas deferens." figureDoi="10.3897/zookeys.861.35430.figure9" httpUri="https://binary.pensoft.net/fig/315294" pageId="11" pageNumber="140">Fig. 9A, C</figureCitation>
); entering accessory sac through simple pore. Vagina about half of penis in length. Measurement of holotype:
<normalizedToken originalValue="DS">DS-</normalizedToken>
4.6 mm long, 1.4 mm broad;
<normalizedToken originalValue="MG">MG-</normalizedToken>
1.7 mm;
<normalizedToken originalValue="PS">PS-</normalizedToken>
1.2 mm;
<normalizedToken originalValue="P">P-</normalizedToken>
7.1 mm;
<normalizedToken originalValue="Ep">Ep-</normalizedToken>
2.6 mm;
<normalizedToken originalValue="VD">VD-</normalizedToken>
21.5 mm;
<normalizedToken originalValue="PR">PR-</normalizedToken>
1.7 mm;
<normalizedToken originalValue="Va">Va-</normalizedToken>
4.5 mm;
<normalizedToken originalValue="FO">FO-</normalizedToken>
2.8 mm.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="140" type="etymology">
<paragraph pageId="11" pageNumber="140">Etymology.</paragraph>
<paragraph pageId="11" pageNumber="140">
The new species is named after the legendary tribal leader &quot;Lin-Jun (
<normalizedToken originalValue="廪君)”">廪君)&quot;</normalizedToken>
of the Tujiazu people who live at the type locality.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="140" type="distribution">
<paragraph pageId="11" pageNumber="140">Distribution.</paragraph>
<paragraph pageId="11" pageNumber="140">Hubei (Changyang), only known from the type locality.</paragraph>
</subSubSection>
<subSubSection pageId="12" pageNumber="141" type="ecology">
<paragraph pageId="12" pageNumber="141">
<pageBreakToken pageId="12" pageNumber="141" start="start">Ecology</pageBreakToken>
.
</paragraph>
<paragraph pageId="12" pageNumber="141">
This species was found living in a well-established secondary forest, on limestone cliffs, often in cracks (
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. Habitat, photographer Zheyu Chen." figureDoi="10.3897/zookeys.861.35430.figure10" httpUri="https://binary.pensoft.net/fig/315295" pageId="12" pageNumber="141">Fig. 10</figureCitation>
). A large number of broken shells, presumably caused by bird predation, were observed at the type locality.
</paragraph>
<caption doi="10.3897/zookeys.861.35430.figure10" httpUri="https://binary.pensoft.net/fig/315295" pageId="12" pageNumber="141" start="Figure 10" startId="F10">
<paragraph pageId="12" pageNumber="141">
Figure 10.
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena linjun" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="species" species="linjun">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena linjun</emphasis>
</taxonomicName>
Wu &amp; Chen, sp. nov., holotype, HBUMM08241-specimen 1. Habitat, photographer Zheyu Chen.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="12" pageNumber="141" type="taxonomic remarks">
<paragraph pageId="12" pageNumber="141">Taxonomic remarks.</paragraph>
<paragraph pageId="12" pageNumber="141">
The new species is assigned to
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena</emphasis>
</taxonomicName>
because of the presence of a smooth protoconch, membranous sac surrounding terminal genitalia, poly-layered structure in dart apparatus, two mucous glands and the absence of a flagellum; characters that are consistent with the type of the genus
<taxonomicName lsidName="B. similaris" pageId="12" pageNumber="141" rank="species" species="similaris">
<emphasis italics="true" pageId="12" pageNumber="141">B. similaris</emphasis>
</taxonomicName>
(
<bibRefCitation author="Wu, M" journalOrPublisher="Malacologia" pageId="14" pageNumber="143" pagination="79 - 125" refId="B24" refString="Wu, M, 2004. Preliminary phylogenetic study of Bradybaenidae (Gastropoda: Stylommatophora: Helicoidea). . Malacologia 46: 79 - 125" title="Preliminary phylogenetic study of Bradybaenidae (Gastropoda: Stylommatophora: Helicoidea)." volume="46" year="2004">Wu 2004</bibRefCitation>
).
</paragraph>
<paragraph pageId="12" pageNumber="141">
On the left side of the mantle edge, this species possesses a leaf-shaped appendage (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Bradybaena linjun Wu &amp; Chen, sp. nov., holotype, HBUMM 08241 - specimen 1. A, C showing head wart B leaf-shaped appendage (arrowed) on left margin of mantle D internal body wall between ommatophore insertions, showing no gland." figureDoi="10.3897/zookeys.861.35430.figure8" httpUri="https://binary.pensoft.net/fig/315293" pageId="12" pageNumber="141">Fig. 8B</figureCitation>
). The existence of this structure in other bradybaenine genera is not known except in
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Sinochloritis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sinochloritis lii" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="species" species="lii">
<emphasis italics="true" pageId="12" pageNumber="141">Sinochloritis lii</emphasis>
</taxonomicName>
Wu &amp; Chen, gen. &amp; sp. nov. described here (
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Sinochloritis lii Wu &amp; Chen, gen. &amp; sp. nov., holotype, HBUMM 08294. A anterior part of animal, dorsal view, showing the pore (arrowed) of head gland between ommatophore tentacles B head of the animal C internal body wall of head, showing the head gland (arrowed) between the ommatophore tentacles D, E the leaf-shaped appendage (arrowed) on the left margin of mantle, in two views F left side of animal, showing coloration and skin pattern G right side of head. Scale bars: 1 mm." figureDoi="10.3897/zookeys.861.35430.figure3" httpUri="https://binary.pensoft.net/fig/315289" pageId="12" pageNumber="141">Fig. 3D, E</figureCitation>
). In our other work on
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena</emphasis>
</taxonomicName>
this structure is observed (
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena</emphasis>
</taxonomicName>
sp., HBUMM06125, Wuyuan, Jiangxi Province, 147 m,
<geoCoordinate degrees="29" direction="north" minutes="22" orientation="latitude" precision="1" seconds="18.8" value="29.37189">29°22'18.8&quot;N</geoCoordinate>
,
<geoCoordinate degrees="118" direction="east" minutes="02" orientation="longitude" precision="1" seconds="45.2" value="118.04589">118°02'45.2&quot;E</geoCoordinate>
, 2007-V-26; unpublished data).
</paragraph>
<paragraph pageId="12" pageNumber="141">
Only a few Chinese species in the subfamily
<taxonomicName lsidName="" pageId="12" pageNumber="141" rank="subfamily" subfamily="Bradybaeninae">Bradybaeninae</taxonomicName>
have double bands. The double-banded shells occur more frequently in
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Cathaica" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cathaica" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Cathaica</emphasis>
</taxonomicName>
<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
, 1884 than in
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena</emphasis>
</taxonomicName>
where only four species exhibit double bands, namely
<taxonomicName lsidName="B. billiana" pageId="12" pageNumber="141" rank="species" species="billiana">
<emphasis italics="true" pageId="12" pageNumber="141">B. billiana</emphasis>
</taxonomicName>
(Heude, 1882),
<taxonomicName lsidName="B. mimicula" pageId="12" pageNumber="141" rank="species" species="mimicula">
<emphasis italics="true" pageId="12" pageNumber="141">B. mimicula</emphasis>
</taxonomicName>
(Heude, 1888),
<taxonomicName lsidName="B. diplodesma" pageId="12" pageNumber="141" rank="species" species="diplodesma">
<emphasis italics="true" pageId="12" pageNumber="141">B. diplodesma</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
, 1899),
<taxonomicName lsidName="B. sueshanensis" pageId="12" pageNumber="141" rank="species" species="sueshanensis">
<emphasis italics="true" pageId="12" pageNumber="141">B. sueshanensis</emphasis>
</taxonomicName>
Pilsbry, 1934 (
<bibRefCitation pageId="12" pageNumber="141" refId="B7">Heude 1882</bibRefCitation>
,
<bibRefCitation author="Heude, PM" journalOrPublisher="Journal de Conchyliologie" pageId="13" pageNumber="142" pagination="235 - 243" refId="B8" refString="Heude, PM, 1888. Diagnoses Molluscorum novorum, in Sinis collectorum (3). . Journal de Conchyliologie 36: 235 - 243" title="Diagnoses Molluscorum novorum, in Sinis collectorum (3)." volume="36" year="1888">1888</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.5962/bhl.title.13125" author="Moellendorff, OF" journalOrPublisher="- Petersburg" pageId="13" pageNumber="142" pagination="46 - 144" refId="B13" refString="Moellendorff, OF, 1899. Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St. . -Petersburg 4: 46 - 144" title="Binnen-Mollusken aus Westchina und Centralasien. I. Annuaire du Musee Zoologique de l'Academie Imperiale des St." url="https://doi.org/10.5962/bhl.title.13125" volume="4" year="1899">
<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
1899
</bibRefCitation>
;
<bibRefCitation author="Pilsbry, HA" journalOrPublisher="Proceeding of the Academy of natural Sciences of Philadelphia" pageId="14" pageNumber="143" pagination="5 - 28" refId="B15" refString="Pilsbry, HA, 1934. Zoological results of the Dolan West China expedition of 1931, Part II, Mollusks. . Proceeding of the Academy of natural Sciences of Philadelphia 86: 5 - 28" title="Zoological results of the Dolan West China expedition of 1931, Part II, Mollusks." volume="86" year="1934">Pilsbry 1934</bibRefCitation>
). Although the new species has double bands, in aspect of shell morphology it most resembles
<taxonomicName lsidName="B. qixiaensis" pageId="12" pageNumber="141" rank="species" species="qixiaensis">
<emphasis italics="true" pageId="12" pageNumber="141">B. qixiaensis</emphasis>
</taxonomicName>
Wu &amp; Asami, 2017. However, the new species has very short mucous glands which are proportionally the shortest in the subfamily
<taxonomicName lsidName="" pageId="12" pageNumber="141" rank="subfamily" subfamily="Bradybaeninae">Bradybaeninae</taxonomicName>
, the thyrsiform mucous gland duct, and the spoon-shaped love dart, which distinguish this species from all Chinese
<taxonomicName class="Gastropoda" family="Camaenidae" genus="Bradybaena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bradybaena" order="Stylommatophora" pageId="12" pageNumber="141" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="12" pageNumber="141">Bradybaena</emphasis>
</taxonomicName>
species with known genital anatomy.
</paragraph>
</subSubSection>
</treatment>
</document>