142 lines
11 KiB
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142 lines
11 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.393.6717" ID-GBIF-Dataset="ca1977b6-7464-4c67-999d-761e0faa67ab" ID-PMC="PMC3974427" ID-Pensoft-Pub="1313-2970-393-1" ID-PubMed="24715783" ID-ZBK="5B035E76BBD14A44A5D8C2140E6168F1" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-393-1" ModsDocOrigin="ZooKeys 393" ModsDocTitle="A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina" checkinTime="1451246065565" checkinUser="pensoft" docAuthor="Liew, Thor-Seng, Vermeulen, Jaap Jan, Marzuki, Mohammad Effendi bin & Schilthuizen, Menno" docDate="2014" docId="A4B5696BA6140E8A6C51AFF0EF05516A" docLanguage="en" docName="ZooKeys 393: 1-107" docOrigin="ZooKeys 393" docSource="http://dx.doi.org/10.3897/zookeys.393.6717" docTitle="Plectostoma kubuensis Liew, Vermeulen, Marzuki & Schilthuizen, 2014, sp. n." docType="treatment" docUuid="7316ED06-4AF5-4E23-89E3-0BCE01E8B1C5" docUuidSource="ZooBank" docVersion="4" lastPageNumber="59" masterDocId="A935FFF6FFE56726FFC5FFA8FFCE7A2A" masterDocTitle="A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina" masterLastPageNumber="107" masterPageNumber="1" pageNumber="58" updateTime="1668158106070" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Liew, Thor-Seng</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Vermeulen, Jaap Jan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Marzuki, Mohammad Effendi bin</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Schilthuizen, Menno</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2014</mods:date>
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<mods:detail type="volume">
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<mods:number>393</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>107</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.393.6717</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.393.6717</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-393-1</mods:identifier>
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<mods:identifier type="ZBK">5B035E76BBD14A44A5D8C2140E6168F1</mods:identifier>
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<mods:identifier type="ZooBank">5B035E76BBD14A44A5D8C2140E6168F1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152052230" LSID="urn:lsid:zoobank.org:act:7316ED06-4AF5-4E23-89E3-0BCE01E8B1C5" httpUri="http://treatment.plazi.org/id/A4B5696BA6140E8A6C51AFF0EF05516A" lastPageId="58" lastPageNumber="59" pageId="57" pageNumber="58">
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<subSubSection pageId="57" pageNumber="58" type="nomenclature">
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<paragraph pageId="57" pageNumber="58">
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<taxonomicName LSID="http://zoobank.org/7316ED06-4AF5-4E23-89E3-0BCE01E8B1C5" class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kubuensis" order="Architaenioglossa" pageId="57" pageNumber="58" phylum="Mollusca" rank="species" species="kubuensis">
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<pageBreakToken pageId="57" pageNumber="58" start="start">Plectostoma</pageBreakToken>
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kubuensis
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</taxonomicName>
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<taxonomicNameLabel pageId="57" pageNumber="58">sp. n.</taxonomicNameLabel>
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Figures 17F, 40, Appendix 12
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</paragraph>
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</subSubSection>
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<subSubSection pageId="57" pageNumber="58" type="type material">
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<paragraph pageId="57" pageNumber="58">Type material.</paragraph>
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<paragraph pageId="57" pageNumber="58">Holotype: BOR 5648(1). Paratypes: BOR 5518(>25), BOR 5519(>10).</paragraph>
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</subSubSection>
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<subSubSection pageId="57" pageNumber="58" type="diagnosis">
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<paragraph pageId="57" pageNumber="58">Diagnosis.</paragraph>
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<paragraph pageId="57" pageNumber="58">
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Shares with
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kakiense" order="Architaenioglossa" pageId="57" pageNumber="58" phylum="Mollusca" rank="species" species="kakiense">Plectostoma kakiense</taxonomicName>
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the general shell form, in terms of apex, spire, and tuba shape, but differs by lacking constriction teeth.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="57" pageNumber="58" type="etymology">
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<paragraph pageId="57" pageNumber="58">Etymology.</paragraph>
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<paragraph pageId="57" pageNumber="58">
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This species is named after its type
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<normalizedToken originalValue="locality–Bukit">locality-Bukit</normalizedToken>
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Kubu, Perlis.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="57" pageNumber="58" type="description">
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<paragraph pageId="57" pageNumber="58">Description.</paragraph>
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<paragraph pageId="57" pageNumber="58">Apex. Shape: slightly to moderately convex.</paragraph>
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<paragraph pageId="57" pageNumber="58">Spire. Height: 1.6-2.0 mm. Width: 1.3-1.5 mm. Number of whorls: 3 5/8-4 1/4. Apical spire shape: depressed conical. Basal spire shape: ovoid. Whorl periphery: moderately to distinctly convex. Umbilicus: open or partially closed by tuba.</paragraph>
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<paragraph pageId="57" pageNumber="58">Constriction. Parietal teeth: none. Basal teeth: none.</paragraph>
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<paragraph pageId="57" pageNumber="58">Tuba. Coiling direction: type 3 and aperture visible in right lateral view. Tuba whorl length in proportion to spire last whorl: ca. 5/8-3/4. Proportion of tuba that attaches to spire: whole.</paragraph>
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<paragraph pageId="57" pageNumber="58">Aperture and peristome. Peristome: double peristomes. Outer peristome shape: similar to inner peristome, projected all around, except the posterior part, where the left lateral sides are slightly more projected than the anterior and right lateral side.</paragraph>
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<paragraph pageId="57" pageNumber="58">Spiral lines. Thick lines: absent. Thin lines: present.</paragraph>
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<paragraph pageId="57" pageNumber="58">Radial ribs. Rib density: 10-11 ribs per mm. Rib intensity: thin. Shape: straight to slightly curved. Inclination: moderately prosoclin.</paragraph>
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<caption pageId="57" pageNumber="58">
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<paragraph pageId="57" pageNumber="58">
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Figures 40.
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kubuensis" order="Architaenioglossa" pageId="57" pageNumber="58" phylum="Mollusca" rank="species" species="kubuensis">Plectostoma kubuensis</taxonomicName>
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sp. n. BOR 5648. A frontal view B left lateral view C back view D right lateral view E top view F bottom view G parietal part of constriction inner whorl H basal part of constriction inner whorl. Scale bar = 1 mm (for
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<normalizedToken originalValue="A–F">A-F</normalizedToken>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection lastPageId="58" lastPageNumber="59" pageId="57" pageNumber="58" type="distribution">
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<paragraph pageId="57" pageNumber="58">Distribution.</paragraph>
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<paragraph pageId="57" pageNumber="58">
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Type locality. Bukit Kubu (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="6.4041667">6°24'15"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="100.14361">100°8'37"E</geoCoordinate>
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) (Figure 18C).
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</paragraph>
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<paragraph pageId="58" pageNumber="59">
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<pageBreakToken pageId="58" pageNumber="59" start="start">Distribution</pageBreakToken>
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range. Endemic to the type locality.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="58" pageNumber="59" type="conservation status">
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<paragraph pageId="58" pageNumber="59">Conservation status.</paragraph>
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<paragraph pageId="58" pageNumber="59">
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Endangered (B2ab(iii)+C2a(i) ver. 10.1). During a survey of a dozen isolated limestone hills of the State of Perlis in May 2011, only Bukit Kubu was found to support a living population of
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kubuensis" order="Architaenioglossa" pageId="58" pageNumber="59" phylum="Mollusca" rank="species" species="kubuensis">Plectostoma kubuensis</taxonomicName>
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, consisting of several hundred individuals at the top of Bukit Kubu. Several very small populations (<50 individuals) live at the other part of Bukit Kubu where the habitat is relatively more exposed and dry. Bukit Kubu is gazetted by Perlis State government as a recreation forest, and its surroundings consist of urban development and paddy fields.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="58" pageNumber="59" type="discussion">
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<paragraph pageId="58" pageNumber="59">Discussion.</paragraph>
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<paragraph pageId="58" pageNumber="59">
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From the conchological point of view, the overall shape and size of
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kubuensis" order="Architaenioglossa" pageId="58" pageNumber="59" phylum="Mollusca" rank="species" species="kubuensis">Plectostoma kubuensis</taxonomicName>
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and
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kakiense" order="Architaenioglossa" pageId="58" pageNumber="59" phylum="Mollusca" rank="species" species="kakiense">Plectostoma kakiense</taxonomicName>
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is almost the same. Nevertheless, two inconspicuous but significant shell characters, namely, basal and parietal constriction teeth, mark the difference between these two species. Despite the similarity in shell form, there is a great genetic distance between the two species (16%). The species occur at two limestone hills that lie about 30 km apart. During our survey, we could not find either species at the six limestone hills that are located between these two hills. A single
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma" order="Architaenioglossa" pageId="58" pageNumber="59" phylum="Mollusca" rank="genus">Plectostoma</taxonomicName>
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shell was recorded by
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<bibRefCitation author="Norhanis, MR" journalOrPublisher="Malayan Nature Journal" pageId="76" pageNumber="77" pagination="307 - 313" title="An annotated checklist of micro-landsnails from limestone areas in Langkawi Islands, Kedah, Peninsular Malaysia." volume="62" year="2010">Norhanis et al. (2010)</bibRefCitation>
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from Pulau Dayang Bunting, Langkawi, and might belong to this species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |