250 lines
30 KiB
XML
250 lines
30 KiB
XML
<document ID-CLB-Dataset="5935" ID-DOI="http://dx.doi.org/10.3897/zookeys.1047.65735" ID-GBIF-Dataset="4078b31d-4bb5-4803-8dc6-8d0549f7a8f3" ID-PMC="PMC8257565" ID-Pensoft-Pub="1313-2970-1047-101" ID-Pensoft-UUID="199EAC1979F8501BB42D0A51CD52BB67" ID-PubMed="34248368" ID-ZooBank="12E8706355C44D5F821853F867E27908" ModsDocID="1313-2970-1047-101" checkinTime="1624985779365" checkinUser="pensoft" docAuthor="Sutcharit, Chirasak & Panha, Somsak" docDate="2021" docId="7E36A49598695D4684C491445104B804" docLanguage="en" docName="ZooKeys 1047: 101-154" docOrigin="ZooKeys 1047" docPubDate="2021-06-28" docSource="http://dx.doi.org/10.3897/zookeys.1047.65735" docTitle="Hemiplecta nemorosa Sutcharit & Panha 2021, sp. nov." docType="treatment" docUuid="5B542C60-C447-40B9-BC1D-AD24774C4AFD" docUuidSource="ZooBank" docVersion="6" id="199EAC1979F8501BB42D0A51CD52BB67" lastPageNumber="101" masterDocId="199EAC1979F8501BB42D0A51CD52BB67" masterDocTitle="Systematic review of the dextral Hemiplecta Albers, 1850 (Eupulmonata, Ariophantidae) from Thailand with description of a new species and list of all the Indochinese species" masterLastPageNumber="154" masterPageNumber="101" pageNumber="101" updateTime="1732754143931" updateUser="ExternalLinkService">
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<mods:title id="B7B80D6D97FDCE965A4C0A6E7A993FC0">Systematic review of the dextral Hemiplecta Albers, 1850 (Eupulmonata, Ariophantidae) from Thailand with description of a new species and list of all the Indochinese species</mods:title>
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<mods:name id="C9AEFD424DA0AE27E9F308DD744E6C56" type="personal">
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<mods:roleTerm id="C7AB4DFE895C00ECB032CB9A9A263E50">Author</mods:roleTerm>
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<mods:namePart id="1C2BC0AD80BC8F871534E2466D2FBBB0">Sutcharit, Chirasak</mods:namePart>
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<mods:affiliation id="8583FB4998C3E38CB35B8BD6142F9EF3">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand</mods:affiliation>
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<mods:nameIdentifier id="5B18B771975EEF057711677A4F6DCD2E" type="email">jirasak4@yahoo.com</mods:nameIdentifier>
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<mods:name id="D946AF733656D27614E5D9F0B9575C75" type="personal">
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<mods:roleTerm id="7F0D404A7382B1373577582039CD326D">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="270571C5C2323692A67F0530F31C95E9">Panha, Somsak</mods:namePart>
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<mods:affiliation id="DCA8AF5FC273A676DBDF96D0BBC8BC5F">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand & Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand</mods:affiliation>
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<mods:typeOfResource id="5F8F883E24F38FCD4D3327E4E73C7AC6">text</mods:typeOfResource>
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<mods:title id="93E4135D1ADB9295623F0B9E59790E81">ZooKeys</mods:title>
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<mods:part id="E4A4FB1DD7D1657FAFA94E790D6CAE54">
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<mods:date id="7C0E0D8304A06E7F99F1631759F0B2BB">2021</mods:date>
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<mods:number id="9F17E1593A64B735013281AAA8B0F537">2021-06-28</mods:number>
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<mods:detail id="F14C8A879099D90454201966A2A50F98" type="volume">
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<mods:number id="E99F8F74791E09CAC9CB0DEF8FFE8717">1047</mods:number>
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<mods:start id="6BE0BF19D358D3134283105A61E2F804">101</mods:start>
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<mods:url id="DAD0EB903590DC7AC39A3EBA8A5B1814">http://dx.doi.org/10.3897/zookeys.1047.65735</mods:url>
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<mods:classification id="C5CCDEC90232ABD6C62B8856BC929BC4">journal article</mods:classification>
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<mods:identifier id="A35E900B92D4D1FA37AAB9C07241B9B7" type="DOI">http://dx.doi.org/10.3897/zookeys.1047.65735</mods:identifier>
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<treatment id="7E36A49598695D4684C491445104B804" ID-GBIF-Taxon="183203209" LSID="urn:lsid:zoobank.org:act:5B542C60-C447-40B9-BC1D-AD24774C4AFD" httpUri="http://treatment.plazi.org/id/7E36A49598695D4684C491445104B804" lastPageNumber="101" pageId="0" pageNumber="101" scope_family="Ariophantidae" scope_superOrder="Eupulmonata">
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<subSubSection id="05C0B365678EE8392E007620FC0DB869" pageId="0" pageNumber="101" type="nomenclature">
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<paragraph id="400090E213DD1D38EC64CD7F7565BB41" pageId="0" pageNumber="101">
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<taxonomicName id="4DD0604044AA635B37FF3B6D2E4613E7" ID-CoL="8KTF8" LSID="http://zoobank.org/5B542C60-C447-40B9-BC1D-AD24774C4AFD" authority="Sutcharit & Panha, 2021" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa" status="sp. nov.">Hemiplecta nemorosa</taxonomicName>
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<taxonomicNameLabel id="AC7301D103C16716679F624A4204C259" pageId="0" pageNumber="101">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="88389AF4C42F54CD79A1D1182E131E98" pageId="0" pageNumber="101" type="description">
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<paragraph id="98B7F65C2FBDB9218708214A69F45DD5" pageId="0" pageNumber="101">
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<figureCitation id="11671BECFB14BD1BB413465C56D9749B" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Hemiplecta nemorosa sp. nov. from Maehongsorn, Thailand A holotype CUMZ 5251 B paratypes CUMZ 5252, and C paratype CUMZ 5253 from the type locality." figureDoi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101">Figures 8</figureCitation>
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<figureCitation id="D69FAE186DBA9EE8A894347CB3A15F7C" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Genitalia, mantle edge structure, and caudal region of Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand A whole genital organ and B internal wall sculpture of penis, vagina and dart chamber." figureDoi="10.3897/zookeys.1047.65735.figure9" httpUri="https://binary.pensoft.net/fig/560496" pageId="0" pageNumber="101">, 9</figureCitation>
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<figureCitation id="56DB2A415960966668E8E5734E06576E" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Representative SEM images of radula A-C Hemiplecta humphreysiana, specimen CUMZ 4573 from Singapore A central and lateral teeth B transition from lateral teeth to marginal teeth and C outermost marginal teeth D, E Hemiplecta distincta, specimen CUMZ 4560 from Chanthaburi, Thailand D central and lateral teeth and E outermost marginal teeth F, G Hemiplecta funerea, specimen CUMZ 4575 from Nan, Thailand F central and lateral teeth and G outermost marginal teeth H, I Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand H central and lateral teeth I transition from lateral teeth to marginal teeth J Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand. Central tooth indicated by ' C'. Numbers indicate the tooth order from lateral to marginal end." figureDoi="10.3897/zookeys.1047.65735.figure10" httpUri="https://binary.pensoft.net/fig/560497" pageId="0" pageNumber="101">, 10J</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="1BF18CB3715155FB2A24B8C3CEFDF11B" pageId="0" pageNumber="101" type="etymology">
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<paragraph id="292C28E5F597C9901B1195356FE70637" pageId="0" pageNumber="101">Etymology.</paragraph>
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<paragraph id="2216FEA49B8CDE0AAAA1EC5A22916A31" pageId="0" pageNumber="101">
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The species name is derived from the Latin word "
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<emphasis id="28EE2CE02EB3AACA8A6AAC13843C95FC" italics="true" pageId="0" pageNumber="101">nemoris</emphasis>
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" meaning "full of woods or shady," which refers to the type locality of this new species in the dense deciduous forest.
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</paragraph>
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</subSubSection>
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<subSubSection id="37622073659CC77B708300A9D9014653" pageId="0" pageNumber="101" type="type specimen">
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<paragraph id="9F8FC79563D5EC91FB42D82DDE2E6004" pageId="0" pageNumber="101">Type specimen.</paragraph>
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<paragraph id="7651C4CCC70C993120ACAE29BB7D8E12" pageId="0" pageNumber="101">
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<emphasis id="E36F568DEAF55D70429944E3BC2DF5C2" bold="true" italics="true" pageId="0" pageNumber="101">Holotype</emphasis>
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CUMZ 5251 (height 24.6 mm, width 42.1 mm; Fig.
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<figureCitation id="306B20A95322CBB89A0F800B98A016F5" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Hemiplecta nemorosa sp. nov. from Maehongsorn, Thailand A holotype CUMZ 5251 B paratypes CUMZ 5252, and C paratype CUMZ 5253 from the type locality." figureDoi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101">8A</figureCitation>
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),
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<emphasis id="90E0CA9CA92CD993CE713DBA5D660DCE" bold="true" italics="true" pageId="0" pageNumber="101">paratypes</emphasis>
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CUMZ 5252 (2 shells; Fig.
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<figureCitation id="0D3B37EC15C89C8DFB16D31BEF7FD7CD" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Hemiplecta nemorosa sp. nov. from Maehongsorn, Thailand A holotype CUMZ 5251 B paratypes CUMZ 5252, and C paratype CUMZ 5253 from the type locality." figureDoi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101">8B</figureCitation>
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), CUMZ 5253 (1 adult + 1 juvenile in ethanol; Fig.
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<figureCitation id="FB0AA570670DC15BAC7FE9DD044EBF20" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Hemiplecta nemorosa sp. nov. from Maehongsorn, Thailand A holotype CUMZ 5251 B paratypes CUMZ 5252, and C paratype CUMZ 5253 from the type locality." figureDoi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101">8C</figureCitation>
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) all from the type locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="F6D55DA855B248366A0483873CED6312" pageId="0" pageNumber="101" type="type locality">
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<paragraph id="8B1512C988E76E3F95223E23B9FE2850" pageId="0" pageNumber="101">Type locality.</paragraph>
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<paragraph id="E4601191A391C3673D35FD6FC6FEFFF1" pageId="0" pageNumber="101">
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Limestone outcrops with deciduous forest near road no. 1226, Pang Mapha Sub-district, Pang Mapha District, Mae Hongson Province, Thailand (
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<geoCoordinate id="E935147082E01955B3A7E92AB8274038" degrees="19" direction="north" minutes="34" orientation="latitude" precision="1" seconds="10.2" value="19.5695">19°34'10.2"N</geoCoordinate>
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,
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<geoCoordinate id="7A9D252411DDF5E02C6EB0CC682B0C48" degrees="98" direction="east" minutes="12" orientation="longitude" precision="1" seconds="02.3" value="98.20064">98°12'02.3"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="672D42264CAF3AE28ADB4FF75364E89F" pageId="0" pageNumber="101" type="description">
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<paragraph id="F707AD7C56EF1458998A7CB358A147E5" pageId="0" pageNumber="101">Description.</paragraph>
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<paragraph id="018D3F55DF4A1B078F186E0D1BD2F6B0" pageId="0" pageNumber="101">
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Shell medium sized (height up to 15 mm, width up to 45 mm), depressed conic, thin and dextral. Whorls 5 to 6, increasing regularly, slightly convex, with very wide and shallow suture. Spire convex; apex acute; embryonic shell smooth; following whorls with thin growth lines and radial wrinkles or undulating surfaces. Periostracum thin and transparent. Shell pale brownish to yellowish. Last whorl angular with strong peripheral keel which is much reduced near aperture. Aperture not descending, widely ovate and moderately oblique; lip simple to slightly thickened in adult specimen. Columella slightly dilated; parietal callus slightly thick and translucent. Umbilicus narrowly opened, deep, and partly covered by reflected columellar lip (Fig.
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<figureCitation id="53D950D7387F963ADA331BE172438B1E" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Hemiplecta nemorosa sp. nov. from Maehongsorn, Thailand A holotype CUMZ 5251 B paratypes CUMZ 5252, and C paratype CUMZ 5253 from the type locality." figureDoi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101">8</figureCitation>
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).
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</paragraph>
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<caption id="9158C34AD7095BFA025385B9D038E7EF" doi="10.3897/zookeys.1047.65735.figure8" httpUri="https://binary.pensoft.net/fig/560495" pageId="0" pageNumber="101" start="Figure 8" startId="F8">
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<paragraph id="CA38DF1AD0F92211E5D8E7A262EFF559" pageId="0" pageNumber="101">
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<emphasis id="E1953EFBCA2AB3CC41ECAA0E6B9E4977" bold="true" pageId="0" pageNumber="101">Figure 8.</emphasis>
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<taxonomicName id="1E07236E03A8D7E15652D88F0F99E858" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa">
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<emphasis id="133E023E8B562508ECB3158A6AE3F82F" italics="true" pageId="0" pageNumber="101">Hemiplecta nemorosa</emphasis>
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</taxonomicName>
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sp. nov. from Maehongsorn, Thailand
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<emphasis id="AE2263A96EE23FDBC1E14B156622819D" bold="true" pageId="0" pageNumber="101">A</emphasis>
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holotype CUMZ 5251
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<emphasis id="DFD1A41C448B500B342298798D71A5FE" bold="true" pageId="0" pageNumber="101">B</emphasis>
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paratypes CUMZ 5252, and
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<emphasis id="5D386FF883F487434B67F2A57173EE74" bold="true" pageId="0" pageNumber="101">C</emphasis>
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paratype CUMZ 5253 from the type locality.
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</paragraph>
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</caption>
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<paragraph id="5390DCE01A871E293AE3808B92FAB174" pageId="0" pageNumber="101">
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<emphasis id="F46BDAD999407F1CBDACD5F92364A67B" bold="true" italics="true" pageId="0" pageNumber="101">Genitalia.</emphasis>
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Atrium (at) long. Penis (p) long slender, cylindrical, and encircled by thick penial sheath (psh) extending to about half of penis length. Epiphallic caecum (ec) short, straight; penial retractor muscle (pr) thin and attached to the tip. Epiphallus (e) short, about half of penis length. Flagellum (fl) short, stout, and with thin muscle bands connected to penial sheath. Vas deferens (vd) small tube (Fig.
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<figureCitation id="D69FCDD6724E752A01C5F3F7E59606CC" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Genitalia, mantle edge structure, and caudal region of Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand A whole genital organ and B internal wall sculpture of penis, vagina and dart chamber." figureDoi="10.3897/zookeys.1047.65735.figure9" httpUri="https://binary.pensoft.net/fig/560496" pageId="0" pageNumber="101">9A</figureCitation>
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). Internal wall of penis with sculpture over entire chamber with uniform scale-like or triangular lingulate pilasters varying in size from small to large and pilasters encircling penial verge smaller than in the middle of chamber. Penial verge (pv) small, conic, and with smooth surface (Fig.
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<figureCitation id="59F3617748AB16BD21CDAE7894E83BE3" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Genitalia, mantle edge structure, and caudal region of Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand A whole genital organ and B internal wall sculpture of penis, vagina and dart chamber." figureDoi="10.3897/zookeys.1047.65735.figure9" httpUri="https://binary.pensoft.net/fig/560496" pageId="0" pageNumber="101">9B</figureCitation>
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).
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</paragraph>
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<caption id="01833073CFAD9CE724DC1735C495B28F" doi="10.3897/zookeys.1047.65735.figure9" httpUri="https://binary.pensoft.net/fig/560496" pageId="0" pageNumber="101" start="Figure 9" startId="F9">
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<paragraph id="D76A62831B26731AD56000FAFE45AEED" pageId="0" pageNumber="101">
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<emphasis id="3E68408DB043947B2A3E7E9C955F50F6" bold="true" pageId="0" pageNumber="101">Figure 9.</emphasis>
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Genitalia, mantle edge structure, and caudal region of
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<taxonomicName id="8F05192A421912BE9D68A32D7A7713F7" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa">
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<emphasis id="72E6C4E12C39A2532B464F2836C0EAEF" italics="true" pageId="0" pageNumber="101">Hemiplecta nemorosa</emphasis>
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</taxonomicName>
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sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand
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<emphasis id="CA853080EB7BE3362727F28115D940CF" bold="true" pageId="0" pageNumber="101">A</emphasis>
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whole genital organ and
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<emphasis id="9BDEE9081FAC6B3C041F23F8C495384F" bold="true" pageId="0" pageNumber="101">B</emphasis>
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internal wall sculpture of penis, vagina and dart chamber.
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</paragraph>
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</caption>
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<paragraph id="70FCA4ECA485A317E93E206F6BEC0752" pageId="0" pageNumber="101">
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Vagina (v) long, cylindrical, about same length as penis; internal wall with thin and smooth longitudinal vaginal pilasters (vp). Dart apparatus (da) short and enlarged muscular cylinder; externally covered with thin longitudinal muscular bands around half of dart apparatus length. Internally with irregular wall, dart papilla (dp) conic and smooth. Gametolytic sac (gs) bulbous without distinct duct. Free oviduct (fo) long and encircled with thin blackish muscular tissue. Oviduct (ov) long and with lobules; prostate gland bound to oviduct. Albumen gland, hermaphroditic duct, and hermaphroditic gland missing from the examined specimen (Fig.
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<figureCitation id="728D38D495DA21FB6A9F864A94085A0B" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Genitalia, mantle edge structure, and caudal region of Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand A whole genital organ and B internal wall sculpture of penis, vagina and dart chamber." figureDoi="10.3897/zookeys.1047.65735.figure9" httpUri="https://binary.pensoft.net/fig/560496" pageId="0" pageNumber="101">9A, B</figureCitation>
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).
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</paragraph>
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<paragraph id="794DC4BA1B7D056745D0D7A26AE07636" pageId="0" pageNumber="101">
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<emphasis id="2681C8EB35B610C33999A817A800F233" bold="true" italics="true" pageId="0" pageNumber="101">Radula.</emphasis>
|
||
Teeth arranged in wide angled U-shape. Each row containing more than 135 teeth (+58-(16-19)-1-(16-19)-75). Central tooth symmetrical tricuspid and triangular; mesocone conic shaped and with pointed cusp; ectocones short with dull cusps located at middle of tooth height. Lateral teeth asymmetrical tricuspid; endocone nearly absent; mesocone triangular with pointed cusp; ectocone with pointed cusps and located below endocone. Marginal teeth start around tooth numbers 16 to 19, elongate and obliquely bicuspid; endocone larger than ectocone and with pointed cusp; ectocone very small. Outer marginal teeth bicuspid and shorter than inner teeth (Fig.
|
||
<figureCitation id="550A007C7B7912F8DDDDA0497A620A22" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Representative SEM images of radula A-C Hemiplecta humphreysiana, specimen CUMZ 4573 from Singapore A central and lateral teeth B transition from lateral teeth to marginal teeth and C outermost marginal teeth D, E Hemiplecta distincta, specimen CUMZ 4560 from Chanthaburi, Thailand D central and lateral teeth and E outermost marginal teeth F, G Hemiplecta funerea, specimen CUMZ 4575 from Nan, Thailand F central and lateral teeth and G outermost marginal teeth H, I Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand H central and lateral teeth I transition from lateral teeth to marginal teeth J Hemiplecta nemorosa sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand. Central tooth indicated by ' C'. Numbers indicate the tooth order from lateral to marginal end." figureDoi="10.3897/zookeys.1047.65735.figure10" httpUri="https://binary.pensoft.net/fig/560497" pageId="0" pageNumber="101">10J</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="3B8C161BC78DD0334467E79C79BE6634" doi="10.3897/zookeys.1047.65735.figure10" httpUri="https://binary.pensoft.net/fig/560497" pageId="0" pageNumber="101" start="Figure 10" startId="F10">
|
||
<paragraph id="4D0E609C4C02741345BE4CAA1B7854DF" pageId="0" pageNumber="101">
|
||
<emphasis id="C4F4739F47543B048503647035B85187" bold="true" pageId="0" pageNumber="101">Figure 10.</emphasis>
|
||
Representative SEM images of radula
|
||
<emphasis id="6A7F34ED6F1FBE5D4378498E410FA408" bold="true" pageId="0" pageNumber="101">A-C</emphasis>
|
||
<taxonomicName id="64D78738504121CCC36A2CF1784BB30E" baseAuthorityName="Lea" baseAuthorityYear="1840" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta humphreysiana" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="humphreysiana">
|
||
<emphasis id="4ED0E27F187FB0042E0B1777A0CCC321" italics="true" pageId="0" pageNumber="101">Hemiplecta humphreysiana</emphasis>
|
||
</taxonomicName>
|
||
, specimen CUMZ 4573 from Singapore
|
||
<emphasis id="85C161A43E17470F15FE6767432F8084" bold="true" pageId="0" pageNumber="101">A</emphasis>
|
||
central and lateral teeth
|
||
<emphasis id="1FA438219DD6DCDF5C95FCDB207AEE7A" bold="true" pageId="0" pageNumber="101">B</emphasis>
|
||
transition from lateral teeth to marginal teeth and
|
||
<emphasis id="067054310DB7294B7FA07F6B562D51A4" bold="true" pageId="0" pageNumber="101">C</emphasis>
|
||
outermost marginal teeth
|
||
<emphasis id="4F8C25869E401EB3F021ABC246F27346" bold="true" pageId="0" pageNumber="101">D, E</emphasis>
|
||
<taxonomicName id="AFC24ED1117CAC8558BDE77BF74CF2FB" baseAuthorityName="Pfeiffer" baseAuthorityYear="1850" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta distincta" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="distincta">
|
||
<emphasis id="771AE0DE36956C8E7990D0202AB5934F" italics="true" pageId="0" pageNumber="101">Hemiplecta distincta</emphasis>
|
||
</taxonomicName>
|
||
, specimen CUMZ 4560 from Chanthaburi, Thailand
|
||
<emphasis id="E30DFA2DD862B2C89AFECD4BC4CAE71B" bold="true" pageId="0" pageNumber="101">D</emphasis>
|
||
central and lateral teeth and
|
||
<emphasis id="CFBCB94484CAC54BEC5F025048CB7EB4" bold="true" pageId="0" pageNumber="101">E</emphasis>
|
||
outermost marginal teeth
|
||
<emphasis id="0E00780CDDEB0CFED58D31C6F6B16D9A" bold="true" pageId="0" pageNumber="101">F, G</emphasis>
|
||
<taxonomicName id="3EAE03637B84656D71484F59FECF9C67" baseAuthorityName="Smith" baseAuthorityYear="1896" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta funerea" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="funerea">
|
||
<emphasis id="C8B28C24146E94CD899533F4C247505A" italics="true" pageId="0" pageNumber="101">Hemiplecta funerea</emphasis>
|
||
</taxonomicName>
|
||
, specimen CUMZ 4575 from Nan, Thailand
|
||
<emphasis id="D098484AED3E45FAF9AEE244CF827BD3" bold="true" pageId="0" pageNumber="101">F</emphasis>
|
||
central and lateral teeth and
|
||
<emphasis id="6ADC2BC6239604FFA3C7D145D5B48927" bold="true" pageId="0" pageNumber="101">G</emphasis>
|
||
outermost marginal teeth
|
||
<emphasis id="270A4BAD0D215CEDB611347A9B3B8663" bold="true" pageId="0" pageNumber="101">H, I</emphasis>
|
||
<taxonomicName id="FFE5375AF921C5791FBA4D271CFCE25C" authorityName="Maassen" authorityYear="2006" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta esculenta" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="esculenta">
|
||
<emphasis id="20FDFEAA2E098DE12981D851E91A8310" italics="true" pageId="0" pageNumber="101">Hemiplecta esculenta</emphasis>
|
||
</taxonomicName>
|
||
, specimen CUMZ 4553 from Chiang Mai, Thailand
|
||
<emphasis id="E694AA79724F8AE500D96C79D9F33389" bold="true" pageId="0" pageNumber="101">H</emphasis>
|
||
central and lateral teeth
|
||
<emphasis id="B9A89E94B171FD3F8EF150A73E8155EA" bold="true" pageId="0" pageNumber="101">I</emphasis>
|
||
transition from lateral teeth to marginal teeth
|
||
<emphasis id="C7D3573609B5E0DC6C91B6E44C3B4695" bold="true" pageId="0" pageNumber="101">J</emphasis>
|
||
<taxonomicName id="CECFA9CA4347CAAE35AF248E9AEFF9A5" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa">
|
||
<emphasis id="C9AC55CA0D47FCE927CF5E01A41E4138" italics="true" pageId="0" pageNumber="101">Hemiplecta nemorosa</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., paratype CUMZ 5253 from Maehongsorn, Thailand. Central tooth indicated by
|
||
<normalizedToken id="2760C8F97102CF4A35B8092B1ECA44D8" originalValue="‘C’">'C'</normalizedToken>
|
||
. Numbers indicate the tooth order from lateral to marginal end.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="D3FDE69B98C30F8B099172CACB52FF43" pageId="0" pageNumber="101" type="distribution">
|
||
<paragraph id="3BFAD4442ED6E23F480920B6347D5165" pageId="0" pageNumber="101">Distribution.</paragraph>
|
||
<paragraph id="18338D24B678AE0DDE69920DE7EB5BAF" pageId="0" pageNumber="101">This new species is currently known only from the type locality in northern Thailand.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9693A0C2854CDD2880021A9682CE20F7" pageId="0" pageNumber="101" type="remarks">
|
||
<paragraph id="D9DE9E8878A0AA5024D507F2DED10154" pageId="0" pageNumber="101">Remarks.</paragraph>
|
||
<paragraph id="0E27D1BAB13907527D0E14EA48AB1532" pageId="0" pageNumber="101">
|
||
The shell morphology of this new species is similar to
|
||
<taxonomicName id="C96D8D37E1C9DD99969E227B769BC174" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. uter" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="uter">
|
||
<emphasis id="BE7940C166CA8E21ABAD93F27E843788" italics="true" pageId="0" pageNumber="101">H. uter</emphasis>
|
||
</taxonomicName>
|
||
(Theobald, 1859) from Myanmar and
|
||
<taxonomicName id="F2F7946710B76294D87099E47B3BBDCB" authorityName="Schileyko & Semenyuk" authorityYear="2018" class="Gastropoda" family="Ariophantidae" genus="Falsiplecta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Falsiplecta integripedia" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="integripedia">
|
||
<emphasis id="0886BED6FB310DFD43B408788A467F50" italics="true" pageId="0" pageNumber="101">Falsiplecta integripedia</emphasis>
|
||
</taxonomicName>
|
||
Schileyko & Semenyuk, 2018 from southern Vietnam. This new species, however, differs by having a shell width almost two-times larger than
|
||
<taxonomicName id="EC38C97B021CB2F2862A1AC893570626" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. uter" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="uter">
|
||
<emphasis id="D7C1DBB6AF4AF6E4F708CDA111340DA2" italics="true" pageId="0" pageNumber="101">H. uter</emphasis>
|
||
</taxonomicName>
|
||
, but further comparison of anatomical characters is necessary to confirm their distinction.
|
||
<taxonomicName id="45560A1C555FC9F14122BBB941F628B5" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa">
|
||
<emphasis id="543E7676D61E9B8981BA12C208D2C55F" italics="true" pageId="0" pageNumber="101">Hemiplecta nemorosa</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. clearly differs from
|
||
<taxonomicName id="A17C5D1D30497BA8FBD976A797180B42" lsidName="F. integripedia" pageId="0" pageNumber="101" rank="species" species="integripedia">
|
||
<emphasis id="9D616D4FF3DFE843DCAEF102117D3309" italics="true" pageId="0" pageNumber="101">F. integripedia</emphasis>
|
||
</taxonomicName>
|
||
in having a well-developed dart apparatus, globular gametolytic sac, and long epiphallus and flagellum. In contrast,
|
||
<taxonomicName id="4FC44A141AFABA78F78B189C914FD5C2" lsidName="F. integripedia" pageId="0" pageNumber="101" rank="species" species="integripedia">
|
||
<emphasis id="178D6B033CA474427BE66CDCE6C73F0C" italics="true" pageId="0" pageNumber="101">F. integripedia</emphasis>
|
||
</taxonomicName>
|
||
has no dart apparatus, a long gametolytic duct, a very short epiphallus and the vas deferens attached near the tip of the epiphallus (flagellum lacking).
|
||
<taxonomicName id="A121AA0360E57D7E4EB03A87545A8DE4" authorityName="Sutcharit & Panha" authorityYear="2021" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta nemorosa" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="nemorosa">
|
||
<emphasis id="D6CB0D3CF81C13B979C860A704CE7115" italics="true" pageId="0" pageNumber="101">Hemiplecta nemorosa</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. also differs from
|
||
<taxonomicName id="7B4C70F976CBC8058C8FC2F4B4BBE3A7" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. undosa" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="undosa">
|
||
<emphasis id="A677E3EE4A506B192F6DD00D02984466" italics="true" pageId="0" pageNumber="101">H. undosa</emphasis>
|
||
</taxonomicName>
|
||
(Blanford, 1865) by having a relatively smaller shell size, an angular last whorl with strong peripheral keel, and a narrow umbilicus. In contrast,
|
||
<taxonomicName id="A8AAF0B1E5B251F8D1C170D69859AEEB" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. undosa" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="undosa">
|
||
<emphasis id="2DE6C9BEE157033BB9E6249A216D0D21" italics="true" pageId="0" pageNumber="101">H. undosa</emphasis>
|
||
</taxonomicName>
|
||
has a rounded to slightly shouldered last whorl, and a wide and deep umbilicus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |