156 lines
13 KiB
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156 lines
13 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="72C381F636EBBF533D28E77AFFEC077C" docLanguage="en" docName="ZooKeys 393: 1-107" docOrigin="ZooKeys 393" docSource="http://dx.doi.org/10.3897/zookeys.393.6717" docTitle="Plectostoma tohchinyawi Liew, Vermeulen, Marzuki & Schilthuizen, 2014, sp. n." docType="treatment" docUuid="1D7B3A14-7D4D-42A1-B4BB-E12A71C560B5" docUuidSource="ZooBank" docVersion="4" lastPageNumber="67" 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="65" 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="152052236" LSID="urn:lsid:zoobank.org:act:1D7B3A14-7D4D-42A1-B4BB-E12A71C560B5" httpUri="http://treatment.plazi.org/id/72C381F636EBBF533D28E77AFFEC077C" lastPageId="66" lastPageNumber="67" pageId="64" pageNumber="65">
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<subSubSection pageId="64" pageNumber="65" type="nomenclature">
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<paragraph pageId="64" pageNumber="65">
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<taxonomicName LSID="http://zoobank.org/1D7B3A14-7D4D-42A1-B4BB-E12A71C560B5" class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma tohchinyawi" order="Architaenioglossa" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="tohchinyawi">Plectostoma tohchinyawi</taxonomicName>
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<taxonomicNameLabel pageId="64" pageNumber="65">sp. n.</taxonomicNameLabel>
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Figure 17S, 45, Appendix 14
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</paragraph>
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</subSubSection>
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<subSubSection pageId="64" pageNumber="65" type="type material">
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<paragraph pageId="64" pageNumber="65">Type material.</paragraph>
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<paragraph pageId="64" pageNumber="65">Holotype: BOR 5649(1). Paratypes: BOR 5533(>10), BOR 5534(>10), BOR 5535(>10), V 8811(>25).</paragraph>
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</subSubSection>
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<subSubSection lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65" type="diagnosis">
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<paragraph pageId="64" pageNumber="65">Diagnosis.</paragraph>
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<paragraph lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65">
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Shares with
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma charasense" order="Architaenioglossa" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="charasense">
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<pageBreakToken pageId="65" pageNumber="66" start="start">Plectostoma</pageBreakToken>
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charasense
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</taxonomicName>
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,
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma kitteli" order="Architaenioglossa" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="kitteli">Plectostoma kitteli</taxonomicName>
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, and
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma klongsangensis" order="Architaenioglossa" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="klongsangensis">Plectostoma klongsangensis</taxonomicName>
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the general shell form, in terms of apex, spire, and tuba shape, but differs by having both thin and thick spiral lines, and the left lateral side of outer peristome projected not more than twice the width of the right lateral side of outer peristome.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="65" pageNumber="66" type="etymology">
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<paragraph pageId="65" pageNumber="66">Etymology.</paragraph>
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<paragraph pageId="65" pageNumber="66">
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This species is named after
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<normalizedToken originalValue="Dato’">Dato'</normalizedToken>
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Toh Chin Yaw, who was the Chairman of Industry, Trade and Environment Committee in the Terengganu State Government between 2008 and 2013. It is rare to find politicians working closely with the public for wildlife conservation. During his time in office,
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<normalizedToken originalValue="Dato’">Dato'</normalizedToken>
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Toh was tireless in his efforts to promote and preserve
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<normalizedToken originalValue="Terengganu’s">Terengganu's</normalizedToken>
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natural heritage. One of his most influential decisions was getting the State to ban the hunting of threatened flying foxes (
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<taxonomicName class="Mammalia" family="Pteropodidae" genus="Pteropus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pteropus vampyrus" order="Chiroptera" pageId="65" pageNumber="66" phylum="Chordata" rank="species" species="vampyrus">Pteropus vampyrus</taxonomicName>
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). Before he left office, he was working with scientists to gazette the Kenyir Wildlife Corridor as a protected area and was helping to secure funds to improve anti-poaching efforts in that area.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="66" lastPageNumber="67" pageId="65" pageNumber="66" type="description">
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<paragraph pageId="65" pageNumber="66">Description.</paragraph>
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<paragraph pageId="65" pageNumber="66">Apex. Shape: distinctly convex.</paragraph>
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<paragraph pageId="65" pageNumber="66">Spire. Height: 2.1-2.4 mm. Width: 1.3-1.5 mm. Number of whorls: 4 7/8-5 3/8. Apical spire shape: oblong conical. Basal spire shape: conical. Whorl periphery: distinctly convex. Umbilicus: open.</paragraph>
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<paragraph pageId="65" pageNumber="66">Constriction. Parietal teeth: two. Basal teeth: none.</paragraph>
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<paragraph pageId="65" pageNumber="66">Tuba. Coiling direction: type 2 and aperture visible in right lateral view. Tuba whorl length in proportion to spire last whorl: ca. 7/8-8/8. Proportion of tuba that attaches to spire: less than 1/2.</paragraph>
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<paragraph pageId="65" pageNumber="66">Aperture and peristome. Peristome: double peristomes. Outer peristome shape: similar to inner peristome, projected all around, except the posterior part, where the two lateral sides are distinctly more projected than the anterior side.</paragraph>
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<paragraph pageId="65" pageNumber="66">Spiral lines. Thick lines: present. Thin lines: present.</paragraph>
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<paragraph pageId="66" pageNumber="67">
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<pageBreakToken pageId="66" pageNumber="67" start="start">Radial</pageBreakToken>
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ribs. Rib density: 4-6 ribs per mm. Rib intensity: thick. Shape: slightly curved to single-humped. Inclination: prosoclin.
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</paragraph>
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<caption pageId="66" pageNumber="67">
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<paragraph pageId="66" pageNumber="67">
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Figures 45.
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma tohchinyawi" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="species" species="tohchinyawi">Plectostoma tohchinyawi</taxonomicName>
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sp. n. BOR 5649. 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 pageId="66" pageNumber="67" type="distribution">
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<paragraph pageId="66" pageNumber="67">Distribution.</paragraph>
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<paragraph pageId="66" pageNumber="67">
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Type locality. Gua Bewah, Tasik Kenyir (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="4.8508334">4°51'3"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="102.7225">102°43'21"E</geoCoordinate>
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).
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</paragraph>
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<paragraph pageId="66" pageNumber="67">Distribution range. To date, this species is only known to occur at two neighbouring limestone outcrops, namely, Gua Bewah and Gua Taat at the Southern part of Tasik Kenyir (Figure 18B).</paragraph>
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</subSubSection>
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<subSubSection pageId="66" pageNumber="67" type="conservation status">
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<paragraph pageId="66" pageNumber="67">Conservation status.</paragraph>
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<paragraph pageId="66" pageNumber="67">
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Least concern. The only two limestone outcrops where this species was found are partially submerged in Southeast
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<normalizedToken originalValue="Asia’s">Asia's</normalizedToken>
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largest man-made lake, Tasik Kenyir. Nonetheless, there is good forest cover around and on the limestone outcrops. Furthermore, these two hills are located in the Taman Negara Pahang, which is a prioritised protected area.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="66" pageNumber="67" type="discussion">
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<paragraph pageId="66" pageNumber="67">Discussion.</paragraph>
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<paragraph pageId="66" pageNumber="67">
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From a conchological point of view, this species is related to
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma charasense" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="species" species="charasense">Plectostoma charasense</taxonomicName>
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. Both are thought to be affiliated with the
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="genus">Plectostoma</taxonomicName>
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species from North Borneo.
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma tohchinyawi" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="species" species="tohchinyawi">Plectostoma tohchinyawi</taxonomicName>
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has a high conical spire, thick and projected radial ribs, and a long detached tuba. These are the typical characteristics for dozens of
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="genus">Plectostoma</taxonomicName>
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species in North Borneo. In addition,
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma tohchinyawi" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="species" species="tohchinyawi">Plectostoma tohchinyawi</taxonomicName>
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and
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma charasense" order="Architaenioglossa" pageId="66" pageNumber="67" phylum="Mollusca" rank="species" species="charasense">Plectostoma charasense</taxonomicName>
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live on the five lenticular limestone outcrops that are the easternmost outcrops of the Malay Peninsula, thus closest geographically to Borneo (Figure 18B).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |