146 lines
12 KiB
XML
146 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="8E3FFEE4F53D2E8C355DDBF44BEF432C" docLanguage="en" docName="ZooKeys 692: 1-81" docOrigin="ZooKeys 692" docSource="http://dx.doi.org/10.3897/zookeys.692.14706" docTitle="Alycaeus kurauensis Foon & Liew, 2017, sp. n." docType="treatment" docUuid="FFC4471A-0820-4048-9572-0C55BBF5F7F1" docUuidSource="ZooBank" docVersion="6" lastPageNumber="34" masterDocId="FF8E6C15A17CDA48FFA7FFE36C7CFFA2" masterDocTitle="A review of the land snail genus Alycaeus (Gastropoda, Alycaeidae) in Peninsular Malaysia" masterLastPageNumber="81" masterPageNumber="1" pageNumber="34" 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="132786252" LSID="urn:lsid:zoobank.org:act:FFC4471A-0820-4048-9572-0C55BBF5F7F1" httpUri="http://treatment.plazi.org/id/8E3FFEE4F53D2E8C355DDBF44BEF432C" lastPageNumber="34" pageId="33" pageNumber="34">
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<subSubSection pageId="33" pageNumber="34" type="nomenclature">
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<paragraph pageId="33" pageNumber="34">
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<taxonomicName LSID="http://zoobank.org/FFC4471A-0820-4048-9572-0C55BBF5F7F1" class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus kurauensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="kurauensis">Alycaeus kurauensis</taxonomicName>
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<taxonomicNameLabel pageId="33" pageNumber="34">sp. n.</taxonomicNameLabel>
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Figures 7R, 22, 31P
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</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="type locality">
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<paragraph pageId="33" pageNumber="34">Type locality.</paragraph>
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<paragraph pageId="33" pageNumber="34">
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PRK 59 Bukit Batu Kurau, Perak (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="4.9291663">4°55'45"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="100.81722">100°49'02"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="type material">
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<paragraph pageId="33" pageNumber="34">Type material.</paragraph>
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<paragraph pageId="33" pageNumber="34">Holotype. PRK 59 Bukit Batu Kurau, Perak: BOR/MOL 12967. Paratypes. PRK 59 Bukit Batu Kurau, Perak: BOR/MOL 6851/10, BOR/MOL 8408/2.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="materials_examined">
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<paragraph pageId="33" pageNumber="34">Other examined materials.</paragraph>
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<paragraph pageId="33" pageNumber="34">PRK 59 Bukit Batu Kurau, Perak: BOR/MOL 8353/22, ZRC 1975.2.22.230-284/54.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="etymology">
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<paragraph pageId="33" pageNumber="34">Etymology.</paragraph>
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<paragraph pageId="33" pageNumber="34">Named after the type locality, Batu Kurau.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="description">
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<paragraph pageId="33" pageNumber="34">Description.</paragraph>
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<paragraph pageId="33" pageNumber="34">Protoconch. Smooth.</paragraph>
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<paragraph pageId="33" pageNumber="34">Shell shape. Conical. Shell height: 5.04-5.56 mm. Shell width: 5.34-6.06 mm</paragraph>
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<paragraph pageId="33" pageNumber="34">Spire. Spire height: 1.08-2.06 mm. Spire width: 2.34-2.52 mm. Number of whorls: up to 4. Spire shape: oblong conical. Whorl periphery rounded. Umbilicus open.</paragraph>
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<paragraph pageId="33" pageNumber="34">Whorl constriction. At about 3 ⅝ whorls posterior of protoconch.</paragraph>
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<paragraph pageId="33" pageNumber="34">Breathing tube. Length: 0.45-0.62 mm.</paragraph>
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<paragraph pageId="33" pageNumber="34">Aperture and peristome. Aperture circular, moderately expanded. Aperture height: 2.51-2.84 mm. Aperture width: 2.34-2.65 mm. Peristome double, thickened, notched at suture. Peristome orientation 35-45° oblique with respect to the coiling axis.</paragraph>
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<paragraph pageId="33" pageNumber="34">Spiral lines. Distinct. Regularly spaced. Approximately 24-36 lines per 1 mm.</paragraph>
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<paragraph pageId="33" pageNumber="34">Radial ribs running anterior of breathing tube. Radial ribs pronounced, evenly spaced. Approximately 7-16 ribs per 1 mm.</paragraph>
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<paragraph pageId="33" pageNumber="34">Radial ribs running perpendicular to breathing tube. Radial ribs pronounced and thicker than those anterior of breathing tube, evenly spaced. Approximately 9-16 ribs per 1 mm.</paragraph>
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<paragraph pageId="33" pageNumber="34">Radial ribs running posterior of breathing tube. Radial ribs absent immediately posterior of constriction. At the middle section, becoming pronounced and evenly spaced from the middle section until prior to aperture. Approximately 10-15 ribs per 1 mm.</paragraph>
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<paragraph pageId="33" pageNumber="34">Operculum. Concave, rounded. Exterior covered with thick calcareous layer, smooth. Interior covered with proteinaceous coating, smooth, mamillated.</paragraph>
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<paragraph pageId="33" pageNumber="34">Shell colour. Whorls yellow. Peristome white.</paragraph>
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<paragraph pageId="33" pageNumber="34">Living animal. Body cream-yellow. Head orange. Tentacles red.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="habitat">
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<paragraph pageId="33" pageNumber="34">Habitat and ecology.</paragraph>
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<paragraph pageId="33" pageNumber="34">Lives on both dry and wet limestone walls. In shady forests and cliffs on limestone hills.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="distribution">
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<paragraph pageId="33" pageNumber="34">Distribution range.</paragraph>
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<paragraph pageId="33" pageNumber="34">Restricted to Batu Kurau, Perak.</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="differential diagnosis">
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<paragraph pageId="33" pageNumber="34">Differential diagnosis.</paragraph>
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<paragraph pageId="33" pageNumber="34">
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus kurauensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="kurauensis">Alycaeus kurauensis</taxonomicName>
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sp. n. is similar to
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus perakensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="perakensis">Alycaeus perakensis</taxonomicName>
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in conical shell shape and radial ribs spacing but differs in being consistently smaller (by about 1.33 mm in shell height, and by about 1.85 mm in shell width), has a less expanded ultimate whorl and peristome, a thick operculum with smooth exterior as well as body and tentacle colouration.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus kurauensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="kurauensis">Alycaeus kurauensis</taxonomicName>
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sp. n. is also similar to
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus kapayanensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="kapayanensis">Alycaeus kapayanensis</taxonomicName>
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in size and colour but differs in having a wider ultimate whorl, thicker operculum with smooth exterior and more widely spaced radial ribs.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="33" pageNumber="34" type="discussion">
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<paragraph pageId="33" pageNumber="34">Discussion.</paragraph>
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<paragraph pageId="33" pageNumber="34">
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A nomen nudum "
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus perakensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="perakensis">Alycaeus perakensis</taxonomicName>
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var.
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<taxonomicName genus="Caenogastropoda" lsidName="Caenogastropoda minor var. minor" pageId="33" pageNumber="34" rank="variety" species="minor" variety="minor">minor</taxonomicName>
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" was used for this subspecies in the ZRC collection.
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<taxonomicName lsidName="A. kurauensis" pageId="33" pageNumber="34" rank="species" species="kurauensis">A. kurauensis</taxonomicName>
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sp. n. is quite consistent in all aspects of shell shape except in the ultimate whorl, which varies in the degree of expansion but never as expanded as
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<taxonomicName lsidName="A. perakensis" pageId="33" pageNumber="34" rank="species" species="perakensis">A. perakensis</taxonomicName>
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.
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</paragraph>
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<caption pageId="33" pageNumber="34">
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<paragraph pageId="33" pageNumber="34">
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Figure 22.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus kurauensis" order="Architaenioglossa" pageId="33" pageNumber="34" phylum="Mollusca" rank="species" species="kurauensis">Alycaeus kurauensis</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 12967
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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Close up of shell of holotype, BOR/MOL 12967
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<normalizedToken originalValue="I–L">I-L</normalizedToken>
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Operculum of paratype, BOR/MOL 6851
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<normalizedToken originalValue="M–Q">M-Q</normalizedToken>
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Shell of paratype, BOR/MOL 6851. Scale bars:
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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, F, G,
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<normalizedToken originalValue="M–Q">M-Q</normalizedToken>
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1 mm; H,
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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> |