145 lines
12 KiB
XML
145 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.692.14706" ID-GBIF-Dataset="81f065e7-a342-495c-9855-21bc26539311" ID-PMC="PMC5672734" ID-Pensoft-Pub="1313-2970-692-1" ID-PubMed="29133987" ID-ZBK="1B7C3F517CF543338EAB1CB1BD9D8A07" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-692-1" ModsDocOrigin="ZooKeys 692" ModsDocTitle="A review of the land snail genus Alycaeus (Gastropoda, Alycaeidae) in Peninsular Malaysia" checkinTime="1503352913593" checkinUser="pensoft" docAuthor="Foon, Junn Kitt & Liew, Thor-Seng" docDate="2017" docId="E32278950BC40744EE56A91C11729A39" docLanguage="en" docName="ZooKeys 692: 1-81" docOrigin="ZooKeys 692" docSource="http://dx.doi.org/10.3897/zookeys.692.14706" docTitle="Alycaeus charasensis Foon & Liew, 2017, sp. n." docType="treatment" docUuid="05839D39-E09B-4635-9254-BBF285A60A90" docUuidSource="ZooBank" docVersion="6" lastPageNumber="16" masterDocId="FF8E6C15A17CDA48FFA7FFE36C7CFFA2" masterDocTitle="A review of the land snail genus Alycaeus (Gastropoda, Alycaeidae) in Peninsular Malaysia" masterLastPageNumber="81" masterPageNumber="1" pageNumber="15" updateTime="1668164728433" 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 review of the land snail genus Alycaeus (Gastropoda, Alycaeidae) in Peninsular Malaysia</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>Foon, Junn Kitt</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>Liew, Thor-Seng</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>692</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>81</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.692.14706</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.692.14706</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-692-1</mods:identifier>
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<mods:identifier type="ZBK">1B7C3F517CF543338EAB1CB1BD9D8A07</mods:identifier>
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<mods:identifier type="ZooBank">1B7C3F517CF543338EAB1CB1BD9D8A07</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="132786244" LSID="urn:lsid:zoobank.org:act:05839D39-E09B-4635-9254-BBF285A60A90" httpUri="http://treatment.plazi.org/id/E32278950BC40744EE56A91C11729A39" lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
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<subSubSection pageId="14" pageNumber="15" type="nomenclature">
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<paragraph pageId="14" pageNumber="15">
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<taxonomicName LSID="http://zoobank.org/05839D39-E09B-4635-9254-BBF285A60A90" class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus charasensis" order="Architaenioglossa" pageId="14" pageNumber="15" phylum="Mollusca" rank="species" species="charasensis">Alycaeus charasensis</taxonomicName>
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<taxonomicNameLabel pageId="14" pageNumber="15">sp. n.</taxonomicNameLabel>
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Figures 7K, 12, 31H
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="15" type="type locality">
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<paragraph pageId="14" pageNumber="15">Type locality.</paragraph>
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<paragraph pageId="14" pageNumber="15">
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PHG 73 Bukit Charas, Pahang (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="3.9097223">3°54'35"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="103.14667">103°08'48"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="15" type="type material">
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<paragraph pageId="14" pageNumber="15">Type material.</paragraph>
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<paragraph pageId="14" pageNumber="15">Holotype. PHG 73 Bukit Charas, Pahang: BOR/MOL 12981. Paratypes. PHG 75 Bukit Tenggek, Pahang: BOR/MOL 264/2. PHG 73 Bukit Charas, Pahang: BOR/MOL 267/3, BOR/MOL 6891/1.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15" type="materials_examined">
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<paragraph pageId="14" pageNumber="15">Other examined materials.</paragraph>
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<paragraph lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
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PHG 73 Bukit Charas, Pahang: BOR/MOL 8399/14, BOR/MOL 8401/26, BOR/MOL 8402/166, BOR/MOL 12982/120, ZRC 1975.2.21.431-434/4, ZRC 1975.2.22.444-677/234, ZRC 1975.2.24.132-
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<pageBreakToken pageId="15" pageNumber="16" start="start">153</pageBreakToken>
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/22, ZRC 1975.2.24.1-43/43, ZRC 1975.2.24.93-131/38, ZRC 1975.2.24.83-89/6. PHG 75 Bukit Tenggek, Pahang: ZRC 1975.2.24.44-/>1.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="etymology">
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<paragraph pageId="15" pageNumber="16">Etymology.</paragraph>
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<paragraph pageId="15" pageNumber="16">Subspecific epithet named after the type locality, Bukit Charas.</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="description">
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<paragraph pageId="15" pageNumber="16">Description.</paragraph>
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<paragraph pageId="15" pageNumber="16">Protoconch. Smooth.</paragraph>
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<paragraph pageId="15" pageNumber="16">Shell shape. Conical. Shell height: 5.09-5.82 mm. Shell width: 5.23-6.62 mm.</paragraph>
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<paragraph pageId="15" pageNumber="16">Spire. Spire height: 1.57-2.11 mm. Spire width: 2.38-2.77 mm. Number of whorls: up to 5. Spire shape: oblong conical. Whorl periphery rounded. Umbilicus open.</paragraph>
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<paragraph pageId="15" pageNumber="16">Whorl constriction. At about 4 ⅞ whorls posterior of protoconch.</paragraph>
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<paragraph pageId="15" pageNumber="16">Breathing tube. Length: 0.46-0.57 mm.</paragraph>
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<paragraph pageId="15" pageNumber="16">Aperture and peristome. Aperture circular, moderately expanded. Aperture height: 2.58-2.90 mm. Aperture width: 2.47-2.84 mm. Peristome double, not thickened, slightly notched at suture. Peristome orientation 34-43° oblique with respect to the coiling axis.</paragraph>
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<paragraph pageId="15" pageNumber="16">Spiral lines. Indistinct, regularly spaced. Approximately 16-60 lines per 1 mm.</paragraph>
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<paragraph pageId="15" pageNumber="16">Radial ribs running anterior of breathing tube. Radial ribs indistinct, unevenly spaced. They are sometimes absent and are replaced by evenly spaced radial growth lines.</paragraph>
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<paragraph pageId="15" pageNumber="16">Radial ribs running perpendicular to breathing tube. Radial ribs pronounced, white and thick, evenly spaced. Approximately 8-15 ribs per 1 mm.</paragraph>
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<paragraph pageId="15" pageNumber="16">Radial ribs running posterior of breathing tube. Radial ribs absent immediately posterior of constriction, becoming pronounced and evenly spaced at the middle until prior to aperture. Approximately 7-19 ribs per 1 mm.</paragraph>
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<paragraph pageId="15" pageNumber="16">Operculum. Concave, rounded. Exterior covered with thin calcareous layer, with indistinct appressed multilamellae. Interior covered with proteinaceous coating, smooth, with indistinct appressed multilamellae.</paragraph>
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<paragraph pageId="15" pageNumber="16">Shell colour. Whorls yellow, fading to white posterior of constriction. Peristome white.</paragraph>
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<paragraph pageId="15" pageNumber="16">Living animal. Body cream-white with fine brown blotches. Head brown. Tentacles brown.</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="habitat">
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<paragraph pageId="15" pageNumber="16">Habitat and ecology.</paragraph>
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<paragraph pageId="15" pageNumber="16">Lives on rock surfaces covered with powdery lichen at higher and drier areas of the limestone hills, often at open places exposed to ambient sunlight. They never appear on wet and mossy sections of limestone rocks and are not found in lower parts of limestone hills that are shaded by forest cover.</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="distribution">
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<paragraph pageId="15" pageNumber="16">Distribution range.</paragraph>
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<paragraph pageId="15" pageNumber="16">Restricted to Bukit Charas and Bukit Tenggek, eastern Pahang.</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="differential diagnosis">
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<paragraph pageId="15" pageNumber="16">Differential diagnosis.</paragraph>
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<paragraph pageId="15" pageNumber="16">
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus charasensis" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="charasensis">Alycaeus charasensis</taxonomicName>
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sp. n. shares similar variability in shell shape with
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus alticola" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="alticola">Alycaeus alticola</taxonomicName>
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sp. n. but consistently differs in having a larger shell, wider ultimate whorl, widely spaced spiral lines and uneven, widely spaced radial growth lines in place of radial ribs.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus charasensis" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="charasensis">Alycaeus charasensis</taxonomicName>
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sp. n. is distinguished from other tall spired, conical yellow shelled
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="genus">Alycaeus</taxonomicName>
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in Peninsular Malaysia by its lack of distinct radial ribs.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="16" type="discussion">
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<paragraph pageId="15" pageNumber="16">Discussion.</paragraph>
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<paragraph pageId="15" pageNumber="16">
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<taxonomicName lsidName="A. charasensis" pageId="15" pageNumber="16" rank="species" species="charasensis">A. charasensis</taxonomicName>
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sp. n. is among the larger yellow, conical shelled
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="genus">Alycaeus</taxonomicName>
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in Peninsular Malaysia.
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</paragraph>
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<caption pageId="15" pageNumber="16">
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<paragraph pageId="15" pageNumber="16">
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Figure 12.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus charasensis" order="Architaenioglossa" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="charasensis">Alycaeus charasensis</taxonomicName>
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sp. n.
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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Shell of holotype, BOR/MOL 8400
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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Close up of shell of holotype, BOR/MOL 8400
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<normalizedToken originalValue="I–L">I-L</normalizedToken>
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Operculum of paratype, BOR/MOL 6891
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<normalizedToken originalValue="M–Q">M-Q</normalizedToken>
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Shell of paratype, BOR/MOL 267. Scale bars:
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<normalizedToken originalValue="A–G">A-G</normalizedToken>
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,
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<normalizedToken originalValue="M–Q">M-Q</normalizedToken>
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, H 1 mm;
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<normalizedToken originalValue="I–L">I-L</normalizedToken>
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0.5 mm. All photographs by Junn Kitt Foon.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |