141 lines
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141 lines
10 KiB
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<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="C8A6DEFAAB5E068C80066A0FAED95156" docLanguage="en" docName="ZooKeys 393: 1-107" docOrigin="ZooKeys 393" docSource="http://dx.doi.org/10.3897/zookeys.393.6717" docTitle="Plectostoma relauensis Liew, Vermeulen, Marzuki & Schilthuizen, 2014, sp. n." docType="treatment" docUuid="7BC76202-2661-4F7C-A922-4DBA32622400" docUuidSource="ZooBank" docVersion="4" lastPageNumber="56" 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="55" 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="152052224" LSID="urn:lsid:zoobank.org:act:7BC76202-2661-4F7C-A922-4DBA32622400" httpUri="http://treatment.plazi.org/id/C8A6DEFAAB5E068C80066A0FAED95156" lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55">
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<subSubSection pageId="54" pageNumber="55" type="nomenclature">
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<paragraph pageId="54" pageNumber="55">
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<taxonomicName LSID="http://zoobank.org/7BC76202-2661-4F7C-A922-4DBA32622400" class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma relauensis" order="Architaenioglossa" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="relauensis">Plectostoma relauensis</taxonomicName>
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<taxonomicNameLabel pageId="54" pageNumber="55">sp. n.</taxonomicNameLabel>
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Figures 17P, 38, Appendix 13
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="type material">
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<paragraph pageId="54" pageNumber="55">Type material.</paragraph>
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<paragraph pageId="54" pageNumber="55">Holotype: BOR 5647(1). Paratypes: BOR 463(2), BOR 5511(>25), V 8169(9).</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="etymology">
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<paragraph pageId="54" pageNumber="55">Etymology.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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This species is named after its type
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<normalizedToken originalValue="locality–Relau">locality-Relau</normalizedToken>
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substation of Taman Negara, where Gua Gajah is located.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="diagnosis">
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<paragraph pageId="54" pageNumber="55">Diagnosis.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Shares with
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma davisoni" order="Architaenioglossa" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="davisoni">Plectostoma davisoni</taxonomicName>
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the general shell form, in terms of apex, spire, and tuba shape, but differs by having a single parietal constriction tooth.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55" type="description">
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<paragraph pageId="54" pageNumber="55">Description.</paragraph>
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<paragraph pageId="54" pageNumber="55">Apex. Shape: slightly to moderately convex.</paragraph>
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<paragraph pageId="55" pageNumber="56">
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<pageBreakToken pageId="55" pageNumber="56" start="start">Spire</pageBreakToken>
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. Height: 1.5-1.9 mm. Width: 1.5-1.6 mm. Number of whorls: 3 3/8-3 5/8. Apical spire shape: depressed conical. Basal spire shape: ovoid. Whorl periphery: moderately to distinctly convex. Umbilicus: open.
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</paragraph>
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<paragraph pageId="55" pageNumber="56">Constriction. Parietal teeth: one. Basal teeth: none.</paragraph>
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<paragraph pageId="55" pageNumber="56">Tuba. Coiling direction: type 2 and aperture visible in frontal view. Tuba whorl length in proportion to spire last whorl: ca. 1/2-5/8. Proportion of tuba that attaches to spire: whole.</paragraph>
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<paragraph pageId="55" pageNumber="56">Aperture and peristome. Peristome: double peristomes. Outer peristome shape: same as inner peristome and uniformly projected all around, except the posterior part.</paragraph>
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<paragraph pageId="55" pageNumber="56">Spiral lines. Thick lines: present. Thin lines: present.</paragraph>
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<paragraph pageId="55" pageNumber="56">Radial ribs. Rib density: 4-7 ribs per mm. Rib intensity: thin. Shape: straight to slightly curved. Inclination: orthoclin.</paragraph>
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<caption pageId="55" pageNumber="56">
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<paragraph pageId="55" pageNumber="56">
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Figures 38.
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma relauensis" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="species" species="relauensis">Plectostoma relauensis</taxonomicName>
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sp. n. BOR 5511. 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="55" pageNumber="56" type="distribution">
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<paragraph pageId="55" pageNumber="56">Distribution.</paragraph>
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<paragraph pageId="55" pageNumber="56">
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Type locality. Gua Gajah in the Relau substation, Taman Negara. (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="4.6375">4°38'15"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="102.06389">102°3'50"E</geoCoordinate>
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).
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</paragraph>
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<paragraph pageId="55" pageNumber="56">
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Distribution range. This species also occurs at a limestone hill located about 20 km north of the type locality. BOR 463 was collection in Pulau Singa Besar, which is located about 300 km from type locality. The reliability of the collection data is dubious (see also BOR 462 of
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma sinyumensis" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="species" species="sinyumensis">Plectostoma sinyumensis</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="55" pageNumber="56" type="conservation status">
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<paragraph pageId="55" pageNumber="56">Conservation status.</paragraph>
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<paragraph pageId="55" pageNumber="56">
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Least Concern. A large living population of
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma relauensis" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="species" species="relauensis">Plectostoma relauensis</taxonomicName>
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was found at Gua Gajah, which is located in the National Park.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="55" pageNumber="56" type="discussion">
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<paragraph pageId="55" pageNumber="56">Discussion.</paragraph>
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<paragraph pageId="55" pageNumber="56">
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This species occurs sympatrically with
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma siphonostomum" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="species" species="siphonostomum">Plectostoma siphonostomum</taxonomicName>
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on the same limestone hills. Despite the high density of limestone hills in the area, where many other
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="genus">Plectostoma</taxonomicName>
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species occur,
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<taxonomicName class="Gastropoda" family="Diplommatinidae" genus="Plectostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plectostoma relauensis" order="Architaenioglossa" pageId="55" pageNumber="56" phylum="Mollusca" rank="species" species="relauensis">Plectostoma relauensis</taxonomicName>
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is only found in two of these (Figure 18).
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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