206 lines
29 KiB
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206 lines
29 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="34F9EB4CC4FD593E9C6E7E720F72E575" 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 esculenta Maassen 2006" docType="treatment" 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:titleInfo id="40BAB8DBD7C5A765FE9DAC7633564546">
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<mods:title id="28072CAC1954D3FED0515D63CD343D3F">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="B7E051B5B7A7669AECDE8815EB76CC1D" type="personal">
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<mods:roleTerm id="012B07C9971832D6ACBD45C13D0921C5">Author</mods:roleTerm>
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<mods:namePart id="6624C3044EC4C8FC4D276DF28835AC78">Sutcharit, Chirasak</mods:namePart>
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<mods:affiliation id="663352C23D9699F118AF38CCA708DFC6">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand</mods:affiliation>
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<mods:nameIdentifier id="D5FCD18133F5CF6E97A145FE0DD1A05F" type="email">jirasak4@yahoo.com</mods:nameIdentifier>
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<mods:name id="BAC71F4C7B2D5AE70C435561B8FF2B3D" type="personal">
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<mods:roleTerm id="992501B75D6F0DD445C85918B1094992">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="282E8E7750A258B0A10910617B419B4E">Panha, Somsak</mods:namePart>
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<mods:affiliation id="04628DFC16077DAC9809BB13014F2CCE">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="C44DF69C08DB00B5AFC54B4BE3DD2F6E">text</mods:typeOfResource>
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<mods:title id="0F4B1AD45ABA14B356E569DC6A4BE840">ZooKeys</mods:title>
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<mods:part id="616186406DB9651FCC42F296A31E69A9">
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<mods:date id="A87C9EB979AAA4019B916FE984A2D0B1">2021</mods:date>
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<mods:number id="350F839397B9D83308E5421C1F3B9433">2021-06-28</mods:number>
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<mods:detail id="B4AE005D35055576576959E00B414C1C" type="volume">
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<mods:number id="97D7F4230164CFA37584DEBA39C80C13">1047</mods:number>
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<mods:start id="BEE7D43FB8990AADB3E617B97E48075A">101</mods:start>
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<mods:end id="A2117DB279204A00E8F20FBD209FEC04">154</mods:end>
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<mods:url id="409126DBA57D5AE345F6E32329782B28">http://dx.doi.org/10.3897/zookeys.1047.65735</mods:url>
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<mods:classification id="4E2F4BB890D29980E12815480D5508B6">journal article</mods:classification>
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<mods:identifier id="47CC2BFBB769D2540E00C3C4536B83C7" type="DOI">http://dx.doi.org/10.3897/zookeys.1047.65735</mods:identifier>
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<mods:identifier id="44B83B29666DDED41495C901D469ECC4" type="Pensoft-Pub">1313-2970-1047-101</mods:identifier>
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<mods:identifier id="353ADBC3B8CC56F9A6DB79DD979176C3" type="ZooBank">12E8706355C44D5F821853F867E27908</mods:identifier>
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</mods:mods>
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<treatment id="34F9EB4CC4FD593E9C6E7E720F72E575" ID-GBIF-Taxon="183203211" LSID="urn:lsid:plazi:treatment:34F9EB4CC4FD593E9C6E7E720F72E575" httpUri="http://treatment.plazi.org/id/34F9EB4CC4FD593E9C6E7E720F72E575" lastPageNumber="101" pageId="0" pageNumber="101" scope_family="Ariophantidae" scope_superOrder="Eupulmonata">
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<subSubSection id="725893C7CFA8550873216426FF15B17E" pageId="0" pageNumber="101" type="nomenclature">
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<paragraph id="010CA07C87E09815AD79BC6100F028EE" pageId="0" pageNumber="101">
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<taxonomicName id="0F3CD881CF429FED1C65617E9EF75B27" ID-CoL="7RNLM" LSID="34F9EB4C-C4FD-593E-9C6E-7E720F72E575" authority="Maassen, 2006" authorityName="Maassen" authorityYear="2006" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Hemiplecta esculenta" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="esculenta">Hemiplecta esculenta Maassen, 2006</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="0C8EA292C65C0FFD177B31DE374472B2" pageId="0" pageNumber="101" type="description">
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<paragraph id="0722ED163570D604EAE57593F482F485" pageId="0" pageNumber="101">
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<figureCitation id="1809D885B3E093B6371F23DB5B5A4AEF" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Living snail. A Hemiplecta humphreysiana from Singapore (width about 45 mm) B, C Hemiplecta distincta B from Saraburi, Thailand (width about 65 mm) and C mating pairs D, E Hemiplecta funerea from Nan, Thailand (width about 50 mm) D yellow shell form and E dark shell form (width about 50 mm) F Hemiplecta esculenta from Chiang Mai, Thailand (width about 30 mm)." figureDoi="10.3897/zookeys.1047.65735.figure1" httpUri="https://binary.pensoft.net/fig/560488" pageId="0" pageNumber="101">Figures 1F</figureCitation>
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<figureCitation id="ABAA05ADED90E3EC25955C50201A78A0" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A, B Hemiplecta funerea, specimens CUMZ 4575 from Nan, Thailand A yellow shell form and B dark shell form C Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand." figureDoi="10.3897/zookeys.1047.65735.figure5" httpUri="https://binary.pensoft.net/fig/560492" pageId="0" pageNumber="101">, 5C</figureCitation>
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<figureCitation id="69FE13DA8DB4B6CC0121CF72D947AB9F" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Genitalia, mantle edge structure, and caudal region of Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand A whole genital organ B internal wall sculpture of penis, vagina and dart chamber C ventral view of mantle edge and D right view of caudal region." figureDoi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101">, 7</figureCitation>
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<figureCitation id="7990C4554119BADABD4FFBB94B5805CE" 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">, 10H, I</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="2FB7378367C98F82258D45D7ECECB61A" pageId="0" pageNumber="101" type="reference_group">
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<paragraph id="D7575B501E11C2E7370CA94F651B7A23" pageId="0" pageNumber="101">
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<taxonomicName id="52038FA26B509DCFCCE69CEEA1D02CAD" authorityName="Maassen" authorityYear="2006" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Hemiplecta esculenta" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="esculenta">Hemiplecta esculenta</taxonomicName>
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Maassen, 2006: 17, 18, figs 10-12. Type locality: limestone area near village Hang, Pu Luong National Park, Thanh Hoa, Vietnam.
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<bibRefCitation id="7AB935EE36A2444DCB444ECFD8DC9482" DOI="https://doi.org/10.3897/zookeys.834.28800" author="Inkhavilay, K" journalOrPublisher="ZooKeys" pageId="0" pageNumber="101" pagination="1 - 166" refId="B47" refString="Inkhavilay, K, Sutcharit, C, Bantaowong, U, Chanabun, R, Siriwut, W, Srisonchai, R, Pholyotha, A, Jirapatrasilp, P, Panha, S, 2019. Annotated checklist of the terrestrial molluscs from Laos (Mollusca, Gastropoda). ZooKeys 834: 1 - 166, DOI: https://doi.org/10.3897/zookeys.834.28800" title="Annotated checklist of the terrestrial molluscs from Laos (Mollusca, Gastropoda)." url="https://doi.org/10.3897/zookeys.834.28800" volume="834" year="2019">Inkhavilay et al. 2019</bibRefCitation>
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: 76, fig. 35d, e.
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<bibRefCitation id="AAA808679AA77B53AE8675C74A6D582A" DOI="https://doi.org/10.12657/folmal.027.007" author="Pall-Gergely, B" journalOrPublisher="Folia Malacologica" pageId="0" pageNumber="101" pagination="85 - 89" refId="B79" refString="Pall-Gergely, B, 2019. A new species of Hemiplecta Albers, 1850 from Vietnam (Gastropoda: Pulmonata: Ariophantidae). Folia Malacologica 27: 85 - 89, DOI: https://doi.org/10.12657/folmal.027.007" title="A new species of Hemiplecta Albers, 1850 from Vietnam (Gastropoda: Pulmonata: Ariophantidae)." url="https://doi.org/10.12657/folmal.027.007" volume="27" year="2019">
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<normalizedToken id="B10B8B71BB5F47E5D3CA50611FB40B7C" originalValue="Páll-Gergely">Pall-Gergely</normalizedToken>
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2019
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</bibRefCitation>
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: figs 11-13.
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</paragraph>
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</subSubSection>
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<subSubSection id="086B3FD26BE26B30C91FA6DA164789B9" pageId="0" pageNumber="101" type="type specimen">
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<paragraph id="3451EC804BD217008ABC6CEC29467603" pageId="0" pageNumber="101">Type specimen.</paragraph>
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<paragraph id="7476A65FEB17F8B4C7C9BC28CE1F42B2" pageId="0" pageNumber="101">See the species list of Indochinese species.</paragraph>
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</subSubSection>
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<subSubSection id="45AC9FEC51AD4E66FB4258BFF942EB14" pageId="0" pageNumber="101" type="materials_examined">
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<paragraph id="EAB0DC88D2730D8E0472842240EA9B7A" pageId="0" pageNumber="101">Material examined.</paragraph>
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<paragraph id="20A857DFC403279ECC13B66800EB1BCF" pageId="0" pageNumber="101">
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<materialsCitation id="C02B900EDE787E7ADC1EFB180145839A" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="Thailand" location="Tam Chiang Dao" specimenCount="42" stateProvince="Chiang Mai">
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<emphasis id="53073E3A9E1207A363AB5FF5C31CBA33" bold="true" pageId="0" pageNumber="101">
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<collectingCountry id="C5AC53514DC9821E22DB5DECD8EE21B0" name="Thailand">Thailand</collectingCountry>
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</emphasis>
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:
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<location id="EF0B7629A60E2F6B966A8FC4193CF3AE" LSID="urn:lsid:plazi:treatment:34F9EB4CC4FD593E9C6E7E720F72E575:EF0B7629A60E2F6B966A8FC4193CF3AE" country="Thailand" name="Tam Chiang Dao" stateProvince="Chiang Mai">Tam Chiang Dao</location>
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,
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<collectingRegion id="645503258A158ABB2C828D1361825EA9" country="Thailand" name="Chiang Mai">Chiang Mai</collectingRegion>
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: CUMZ 4553 (
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<specimenCount id="553BDC59B601936BECCF23986EE9B10B" type="generic">5 specimens</specimenCount>
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in ethanol; Fig.
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<figureCitation id="0440AFE007C8B4F3012D6D918677AE9A" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Living snail. A Hemiplecta humphreysiana from Singapore (width about 45 mm) B, C Hemiplecta distincta B from Saraburi, Thailand (width about 65 mm) and C mating pairs D, E Hemiplecta funerea from Nan, Thailand (width about 50 mm) D yellow shell form and E dark shell form (width about 50 mm) F Hemiplecta esculenta from Chiang Mai, Thailand (width about 30 mm)." figureDoi="10.3897/zookeys.1047.65735.figure1" httpUri="https://binary.pensoft.net/fig/560488" pageId="0" pageNumber="101">1F</figureCitation>
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), CUMZ 4564 (
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<specimenCount id="DFE8A9443D037BD5BCCDABBE65740ECB" type="generic">10 specimens</specimenCount>
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in ethanol), CUMZ 4565 (
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<specimenCount id="992802938DD1922857F18A14426F68A9" type="generic">9 specimens</specimenCount>
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in ethanol), CUMZ 4574 (
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<specimenCount id="8C2FEC52AACE5528BFBDF682C64FE07E" type="generic">8 specimens</specimenCount>
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in ethanol; Fig.
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<figureCitation id="A3FFEBE7B8DDD308B01F8F7EE84840E6" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A, B Hemiplecta funerea, specimens CUMZ 4575 from Nan, Thailand A yellow shell form and B dark shell form C Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand." figureDoi="10.3897/zookeys.1047.65735.figure5" httpUri="https://binary.pensoft.net/fig/560492" pageId="0" pageNumber="101">5C</figureCitation>
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); Tam Tab-Tao, Chaiprakarn,
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<collectingRegion id="656DFF61D975AD58FD76757DDDFDB511" country="Thailand" name="Chiang Mai">Chiang Mai</collectingRegion>
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: CUMZ 4580 (
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<specimenCount id="C68363C1F6205BFDEC5153EED43D819B" type="generic">10 specimens</specimenCount>
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in ethanol)
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="B6C62921CC63CB04B0D41247840312E2" pageId="0" pageNumber="101">
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<emphasis id="061BD5EF497FC78D458B6E5317A2D016" bold="true" italics="true" pageId="0" pageNumber="101">Shell.</emphasis>
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Shell relatively small (height up to
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<quantity id="46ED073E63E08133C34E25EE91BC8B19" metricMagnitude="-2" metricUnit="m" metricValue="2.5" unit="mm" value="25.0">25 mm</quantity>
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, width up to
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<quantity id="776CB983C95DB9B41F005726ACCAE0E6" metricMagnitude="-2" metricUnit="m" metricValue="3.5" unit="mm" value="35.0">35 mm</quantity>
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), elevated to slightly depressed, upper surface with distinct nodules arranged on growth line, and lower shell surface nearly smooth. Last whorl keeled; aperture large and ovate; lip simple to slightly expanded and dark brown. Umbilicus widely opened and deep (Fig.
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<figureCitation id="ED3EB8ED68703BCB9CE14BF586D39314" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A, B Hemiplecta funerea, specimens CUMZ 4575 from Nan, Thailand A yellow shell form and B dark shell form C Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand." figureDoi="10.3897/zookeys.1047.65735.figure5" httpUri="https://binary.pensoft.net/fig/560492" pageId="0" pageNumber="101">5C</figureCitation>
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).
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</paragraph>
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<paragraph id="A9D4585CF0D6EC8F1D4538FE681E02FD" pageId="0" pageNumber="101">
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<emphasis id="8D030BEE2C1036B96EA4F023D82ACF1A" bold="true" italics="true" pageId="0" pageNumber="101">Genitalia.</emphasis>
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Genital tracts similar to those of
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<taxonomicName id="4E7759693E6A3AD5F816981FFE918D44" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. humphreysiana" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="humphreysiana">
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<emphasis id="4D06218537DCE8BA60751C54D914AE2C" italics="true" pageId="0" pageNumber="101">H. humphreysiana</emphasis>
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</taxonomicName>
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(Fig.
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<figureCitation id="F1979B2D102BD5DAA41FAFF0784AE0FE" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Genitalia, mantle edge structure, and caudal region of Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand A whole genital organ B internal wall sculpture of penis, vagina and dart chamber C ventral view of mantle edge and D right view of caudal region." figureDoi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101">7A</figureCitation>
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). Internal wall of penis with sculpture encircling penial verge. Penial sculpture (ps) consists of small to large papillary knobs arranged in oblique lines on penial wall; relatively smaller knobs surrounding penial verge. Penial verge (pv) small, short, conic, and with smooth surface (Fig.
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<figureCitation id="07F552C0AD8E7E540028D55DC8581C0A" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Genitalia, mantle edge structure, and caudal region of Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand A whole genital organ B internal wall sculpture of penis, vagina and dart chamber C ventral view of mantle edge and D right view of caudal region." figureDoi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101">7B</figureCitation>
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). Gametolytic sac (gs) bulbous with undifferentiated duct. Internal wall of vagina with series of thin longitudinal vaginal pilasters (vp). Dart apparatus (da) relatively short; internal wall of chamber with smooth wall, and papilla of dart apparatus (dp) slightly elongate, conic, and with smooth surface (Fig.
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<figureCitation id="6346B4505D0B5FED7DABF40984279B38" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Genitalia, mantle edge structure, and caudal region of Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand A whole genital organ B internal wall sculpture of penis, vagina and dart chamber C ventral view of mantle edge and D right view of caudal region." figureDoi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101">7B</figureCitation>
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).
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</paragraph>
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<caption id="C7B73097F6BEB5C68036F869CA030D8C" doi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101" start="Figure 7" startId="F7">
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<paragraph id="C7B7DC3BAB0226F606C2A0764D268B35" pageId="0" pageNumber="101">
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<emphasis id="92666D5F314C31274F5BFA8FFEE703A7" bold="true" pageId="0" pageNumber="101">Figure 7.</emphasis>
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Genitalia, mantle edge structure, and caudal region of
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<taxonomicName id="44F4AF8547A60515EC5F001C5E6402C6" 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">
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<emphasis id="F72DD7BE5FF3EC49A46A370B31DCFEBE" italics="true" pageId="0" pageNumber="101">Hemiplecta esculenta</emphasis>
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</taxonomicName>
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, specimen CUMZ 4553 from
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<collectingRegion id="2ECEB884A5381C91EA6E8BB261DCBF7D" country="Thailand" name="Chiang Mai">Chiang Mai</collectingRegion>
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,
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<collectingCountry id="27AC3D29D55257241EBAC4145F8A3107" name="Thailand">Thailand</collectingCountry>
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<emphasis id="2FD408D0C0EEE57305198CE2F947BB63" bold="true" pageId="0" pageNumber="101">A</emphasis>
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whole genital organ
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<emphasis id="E462D7102D3362FA3EE04EE15350B216" 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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<emphasis id="A9028440F0B1B50D0EA43B66094D566D" bold="true" pageId="0" pageNumber="101">C</emphasis>
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ventral view of mantle edge and
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<emphasis id="8E7C454C06229A58BD53BFDC1AC5BCB7" bold="true" pageId="0" pageNumber="101">D</emphasis>
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right view of caudal region.
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</paragraph>
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</caption>
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<paragraph id="29F381EE2FA66A23328A06230BCAE643" pageId="0" pageNumber="101">
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<emphasis id="0DE316B075A563FB46222989E82344AA" bold="true" italics="true" pageId="0" pageNumber="101">Radula.</emphasis>
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Each row possesses about 161 teeth (80-(18-21)-1-(19-21)-80). Central tooth triangular, tricuspid; ectocones small; mesocone large (Fig.
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<figureCitation id="E5CF8E1CB160A032E5E5326043195E49" 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">10H</figureCitation>
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). Lateral teeth tricuspid; endocone small; mesocone large with pointed tip; ectocone large, basal, and with pointed tip. Outer lateral teeth arranged slightly obliquely, bicuspid; endocone very small to absent; mesocone large trapezoid; ectocone basal, relatively small, and pointed tip. Latero-marginal transition starts from tooth no. 18 to 21. Marginal teeth with curved teeth, bicuspid; endocone usually larger than ectocone (Fig.
|
|
<figureCitation id="E95E6B49DA638B936D67E0BAC30FD38D" 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">10I</figureCitation>
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).
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</paragraph>
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<paragraph id="0A186934763E07D8D92335E151EBF8C9" pageId="0" pageNumber="101">
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|
<emphasis id="A3D507213D6F71164572D1D5354D7DDF" bold="true" italics="true" pageId="0" pageNumber="101">External features.</emphasis>
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|
Living snail exhibits similar soft body morphology, pulmonary cavity and caudal structure (Fig.
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|
<figureCitation id="F27168FF7E8AED772A379621FF24839A" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Genitalia, mantle edge structure, and caudal region of Hemiplecta esculenta, specimen CUMZ 4553 from Chiang Mai, Thailand A whole genital organ B internal wall sculpture of penis, vagina and dart chamber C ventral view of mantle edge and D right view of caudal region." figureDoi="10.3897/zookeys.1047.65735.figure7" httpUri="https://binary.pensoft.net/fig/560494" pageId="0" pageNumber="101">7D</figureCitation>
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) to that of
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|
<taxonomicName id="A8A0160FCBE3BBD6261F7C0F3F946FBE" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. humphreysiana" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="humphreysiana">
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<emphasis id="9F0F70CAA54116EFDB4AF74485E9DCCE" italics="true" pageId="0" pageNumber="101">H. humphreysiana</emphasis>
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</taxonomicName>
|
|
. The distinct characters are the brownish to greyish body and mantle edge; right and left shell lobes absent (Fig.
|
|
<figureCitation id="49EDC05EE4AB0F6926B50C1835E91D7A" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Living snail. A Hemiplecta humphreysiana from Singapore (width about 45 mm) B, C Hemiplecta distincta B from Saraburi, Thailand (width about 65 mm) and C mating pairs D, E Hemiplecta funerea from Nan, Thailand (width about 50 mm) D yellow shell form and E dark shell form (width about 50 mm) F Hemiplecta esculenta from Chiang Mai, Thailand (width about 30 mm)." figureDoi="10.3897/zookeys.1047.65735.figure1" httpUri="https://binary.pensoft.net/fig/560488" pageId="0" pageNumber="101">1F</figureCitation>
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).
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|
</paragraph>
|
|
</subSubSection>
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|
<subSubSection id="1656C793807F624CBA04255D5FC1F8DB" pageId="0" pageNumber="101" type="distribution">
|
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<paragraph id="A6A8BCF83E1744B866D1A0546E87D807" pageId="0" pageNumber="101">Distribution.</paragraph>
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<paragraph id="792E8165B9FC44613E6F75BF6D7F2F91" pageId="0" pageNumber="101">
|
|
Previously known only from the type locality in northern Vietnam (
|
|
<bibRefCitation id="95937DFCB1ED9370637E5452019DE546" author="Maassen, WJM" journalOrPublisher="Basteria" pageId="0" pageNumber="101" pagination="13 - 18" refId="B62" refString="Maassen, WJM, 2006. Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae). Basteria 70: 13 - 18" title="Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae)." volume="70" year="2006">Maassen 2006</bibRefCitation>
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) and Xieng Khaung, northeastern Laos (
|
|
<bibRefCitation id="9529AC7FE24BE9A86A15649DAA59A5B2" DOI="https://doi.org/10.3897/zookeys.834.28800" author="Inkhavilay, K" journalOrPublisher="ZooKeys" pageId="0" pageNumber="101" pagination="1 - 166" refId="B47" refString="Inkhavilay, K, Sutcharit, C, Bantaowong, U, Chanabun, R, Siriwut, W, Srisonchai, R, Pholyotha, A, Jirapatrasilp, P, Panha, S, 2019. Annotated checklist of the terrestrial molluscs from Laos (Mollusca, Gastropoda). ZooKeys 834: 1 - 166, DOI: https://doi.org/10.3897/zookeys.834.28800" title="Annotated checklist of the terrestrial molluscs from Laos (Mollusca, Gastropoda)." url="https://doi.org/10.3897/zookeys.834.28800" volume="834" year="2019">Inkhavilay et al. 2019</bibRefCitation>
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). Recently, we have located populations from northern Thailand in Chiang Mai Province.
|
|
</paragraph>
|
|
</subSubSection>
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|
<subSubSection id="4A48B50965AC6255D743237AD9384A39" pageId="0" pageNumber="101" type="remarks">
|
|
<paragraph id="BCF76D21F1D84AA46EA23B1D74BB8C93" pageId="0" pageNumber="101">Remarks.</paragraph>
|
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<paragraph id="0E4CDE36BAA7D85F4C0880FA5CF54CB5" pageId="0" pageNumber="101">
|
|
The shell features were carefully described in
|
|
<bibRefCitation id="D729DBE998760D3FBEA9050471037E81" author="Maassen, WJM" journalOrPublisher="Basteria" pageId="0" pageNumber="101" pagination="13 - 18" refId="B62" refString="Maassen, WJM, 2006. Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae). Basteria 70: 13 - 18" title="Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae)." volume="70" year="2006">Maassen (2006)</bibRefCitation>
|
|
. The original description of
|
|
<taxonomicName id="747EBA9A68359AB5F973AD2279E55FAD" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="H. esculenta" pageId="0" pageNumber="101" phylum="Mollusca" rank="species" species="esculenta">
|
|
<emphasis id="C23D1CD34D339F417A2A6D0566196CD3" italics="true" pageId="0" pageNumber="101">H. esculenta</emphasis>
|
|
</taxonomicName>
|
|
was based on seven shells and placement within
|
|
<taxonomicName id="BB00988A0C1C56C9B85EC005DF7FDD09" authorityName="Albers" authorityYear="1850" class="Gastropoda" family="Ariophantidae" genus="Hemiplecta" kingdom="Animalia" lsidName="Hemiplecta" order="Stylommatophora" pageId="0" pageNumber="101" phylum="Mollusca" rank="genus">
|
|
<emphasis id="E43DDBB33D5DC3509ACF355D42534831" italics="true" pageId="0" pageNumber="101">Hemiplecta</emphasis>
|
|
</taxonomicName>
|
|
was provisional (
|
|
<bibRefCitation id="42AC86B18E3660E203E3CD6CCB540A5A" author="Maassen, WJM" journalOrPublisher="Basteria" pageId="0" pageNumber="101" pagination="13 - 18" refId="B62" refString="Maassen, WJM, 2006. Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae). Basteria 70: 13 - 18" title="Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda: Diplommatinidae: Strobilopsidae and Ariophantidae)." volume="70" year="2006">Maassen 2006</bibRefCitation>
|
|
), and none of the topotypic specimens have subsequently been examined. The samples from Thailand show only minor variations from the type series, in the presence of a narrow brownish spiral band and slightly elevated spire, which we attribute to intraspecific variation. It is important to examine the genitalia of the topotypic material.
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|
</paragraph>
|
|
</subSubSection>
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</treatment>
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</document> |