188 lines
14 KiB
XML
188 lines
14 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="FF3F4A221DE51B03A2BFC1BD1A8F1774" docLanguage="en" docName="ZooKeys 692: 1-81" docOrigin="ZooKeys 692" docSource="http://dx.doi.org/10.3897/zookeys.692.14706" docTitle="Alycaeus regalis Foon & Liew, 2017, sp. n." docType="treatment" docUuid="B8E836AE-F3D5-47B8-BA69-B7E866DCC10B" docUuidSource="ZooBank" docVersion="6" lastPageNumber="40" masterDocId="FF8E6C15A17CDA48FFA7FFE36C7CFFA2" masterDocTitle="A review of the land snail genus Alycaeus (Gastropoda, Alycaeidae) in Peninsular Malaysia" masterLastPageNumber="81" masterPageNumber="1" pageNumber="37" 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="132786241" LSID="urn:lsid:zoobank.org:act:B8E836AE-F3D5-47B8-BA69-B7E866DCC10B" httpUri="http://treatment.plazi.org/id/FF3F4A221DE51B03A2BFC1BD1A8F1774" lastPageId="39" lastPageNumber="40" pageId="36" pageNumber="37">
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<subSubSection pageId="36" pageNumber="37" type="nomenclature">
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<paragraph pageId="36" pageNumber="37">
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<taxonomicName LSID="http://zoobank.org/B8E836AE-F3D5-47B8-BA69-B7E866DCC10B" class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus regalis" order="Architaenioglossa" pageId="36" pageNumber="37" phylum="Mollusca" rank="species" species="regalis">Alycaeus regalis</taxonomicName>
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<taxonomicNameLabel pageId="36" pageNumber="37">sp. n.</taxonomicNameLabel>
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Figures 7T, 25, 31T
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="reference_group">
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<paragraph pageId="37" pageNumber="38">
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus perakensis" order="Architaenioglossa" pageId="37" pageNumber="38" phylum="Mollusca" rank="subSpecies" species="perakensis" subSpecies="altispirus">
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<pageBreakToken pageId="37" pageNumber="38" start="start">Alycaeus</pageBreakToken>
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perakensis altispirus
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</taxonomicName>
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:
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<bibRefCitation author="Tarruella, A" journalOrPublisher="Spira" pageId="53" pageNumber="54" pagination="71 - 76" title="Listado taxonomico ilustrado de la familia Cyclophoridae J. E. Gray, 1847 (Mollusca: Gastropoda): Parte 2. La subfamilia Alycaeinae J. E. Gray, 1850." url="http://www.molluscat.com/assets/spira_4_12_7.pdf" volume="4" year="2011">
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Tarruella and
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<normalizedToken originalValue="Domènech">Domenech</normalizedToken>
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2011
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</bibRefCitation>
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: figure 2E. [not
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus altispirus" order="Architaenioglossa" pageId="37" pageNumber="38" phylum="Mollusca" rank="species" species="altispirus">Alycaeus altispirus</taxonomicName>
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(
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<normalizedToken originalValue="Möllendorff">Moellendorff</normalizedToken>
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, 1902)]
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="type locality">
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<paragraph pageId="37" pageNumber="38">Type locality.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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PHG 02 Gunung Senyum, Pahang (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="3.6972222">3°41'50"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="102.43445">102°26'04"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="type material">
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<paragraph pageId="37" pageNumber="38">Type material.</paragraph>
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<paragraph pageId="37" pageNumber="38">Holotype. PHG 02 Gunung Senyum, Pahang: BOR/MOL 12990. Paratypes. PHG 02 Gunung Senyum, Pahang: BOR/MOL 12991/11. PHG 03 Gunung Jebak Puyuh, Pahang: BOR/MOL 6629/14.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="materials_examined">
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<paragraph pageId="37" pageNumber="38">Other examined materials.</paragraph>
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<paragraph pageId="37" pageNumber="38">PHG 02 Gunung Senyum, Pahang: BOR/MOL 6232/3, BOR/MOL 6240/4, BOR/MOL 6881/1, BOR/MOL 8393/5, ZRC 1975.2.22.581-600/20. PHG 03 Gunung Jebak Puyuh, Pahang: BOR/MOL 6883/1.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="etymology">
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<paragraph pageId="37" pageNumber="38">Etymology.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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Latin, meaning royal. In reference to the
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<normalizedToken originalValue="species’">species'</normalizedToken>
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tall spire and colour reminiscent of the yellow royal parasol which is part of the regalia of Southeast Asian kingdoms.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="description">
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<paragraph pageId="37" pageNumber="38">Description.</paragraph>
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<paragraph pageId="37" pageNumber="38">Protoconch. Smooth.</paragraph>
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<paragraph pageId="37" pageNumber="38">Shell shape. Conical. Shell height: 6.57-7.18 mm. Shell width: 5.86-6.87 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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Spire. Spire height: 2.32-2.90 mm. Spire width: 2.88-3.21 mm. Number of whorls: up to 5
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<normalizedToken originalValue="½">1/2</normalizedToken>
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. Spire shape: oblong conical. Whorl periphery rounded. Umbilicus open.
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</paragraph>
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<paragraph pageId="37" pageNumber="38">
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Whorl constriction. At about 5
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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whorls posterior of protoconch.
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</paragraph>
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<paragraph pageId="37" pageNumber="38">Breathing tube. Length: 0.62-0.81 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">Aperture and peristome. Aperture circular, very expanded. Aperture height: 2.91-3.66 mm. Aperture width: 2.95-3.59 mm. Peristome double, sometimes thickened, slightly notched at suture. Peristome orientation 4-17° oblique with respect to the coiling axis.</paragraph>
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<paragraph pageId="37" pageNumber="38">Spiral lines. Regularly spaced. Approximately 20-36 lines per 1 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">Radial ribs running anterior of breathing tube. Radial ribs pronounced, evenly spaced. Approximately 7-15 ribs per 1 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">Radial ribs running perpendicular to breathing tube. Radial ribs pronounced, white and thicker than those anterior of breathing tube, evenly spaced. Approximately 6-15 ribs per 1 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">Radial ribs running posterior of breathing tube. Radial ribs pronounced and uneven immediately posterior of constriction, becoming pronounced and evenly spaced from the middle section until prior to aperture. Approximately 8-16 ribs per 1 mm.</paragraph>
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<paragraph pageId="37" pageNumber="38">Operculum. Flat. Exterior with proteinaceous coating and indistinct appressed multilamellae. Interior with proteinaceous coating, smooth, mamillated. Operculum interior sometimes with a hard, ligament-like proteinaceous extension embedded within the columellar muscle of the animal when alive.</paragraph>
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<paragraph pageId="37" pageNumber="38">Shell colour. Whorls yellow. Peristome white.</paragraph>
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<paragraph pageId="37" pageNumber="38">Living animal. Body cream-white. Head pinkish-brown. Tentacle tips brown.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="habitat">
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<paragraph pageId="37" pageNumber="38">Habitat and ecology.</paragraph>
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<paragraph pageId="37" pageNumber="38">This species lives on dry rock surfaces covered with powdery lichens. They never appear on wet and mossy sections of limestone rocks.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="distribution">
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<paragraph pageId="37" pageNumber="38">Distribution range.</paragraph>
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<paragraph pageId="37" pageNumber="38">Restricted to limestone karsts at central Pahang (Gunung Senyum and Gunung Jebak Puyuh) only.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="differential diagnosis">
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<paragraph pageId="37" pageNumber="38">Differential diagnosis.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus regalis" order="Architaenioglossa" pageId="37" pageNumber="38" phylum="Mollusca" rank="species" species="regalis">Alycaeus regalis</taxonomicName>
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sp. n. is most similar to
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<taxonomicName lsidName="A. altispirus" pageId="37" pageNumber="38" rank="species" species="altispirus">A. altispirus</taxonomicName>
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in shell size (shell height: 6.40-7.18 mm, shell width: 5.86-6.87 mm) and tall shell spire (spire height: 2.32-2.90 mm) but differs in the ultimate whorl periphery being rounder, upper palatal section lacking the posterior folding and peristome orientated parallel to the coiling axis.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="39" lastPageNumber="40" pageId="38" pageNumber="39" type="discussion">
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<paragraph pageId="38" pageNumber="39">
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<pageBreakToken pageId="38" pageNumber="39" start="start">Discussion</pageBreakToken>
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.
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</paragraph>
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<paragraph lastPageId="39" lastPageNumber="40" pageId="38" pageNumber="39">
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Prior to this study, specimens of
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<taxonomicName lsidName="A. regalis" pageId="38" pageNumber="39" rank="species" species="regalis">A. regalis</taxonomicName>
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sp. n. from Gunung Senyum were always labelled as
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus perakensis" order="Architaenioglossa" pageId="38" pageNumber="39" phylum="Mollusca" rank="subSpecies" species="perakensis" subSpecies="altispirus">Alycaeus perakensis altispirus</taxonomicName>
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(
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<bibRefCitation author="Tarruella, A" journalOrPublisher="Spira" pageId="53" pageNumber="54" pagination="71 - 76" title="Listado taxonomico ilustrado de la familia Cyclophoridae J. E. Gray, 1847 (Mollusca: Gastropoda): Parte 2. La subfamilia Alycaeinae J. E. Gray, 1850." url="http://www.molluscat.com/assets/spira_4_12_7.pdf" volume="4" year="2011">
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Tarruella and
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<normalizedToken originalValue="Domènech">Domenech</normalizedToken>
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2011
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</bibRefCitation>
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; ZRC collection lots) even though they clearly differ from each other, especially
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<pageBreakToken pageId="39" pageNumber="40" start="start">in</pageBreakToken>
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the aperture shape.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus regalis" order="Architaenioglossa" pageId="39" pageNumber="40" phylum="Mollusca" rank="species" species="regalis">Alycaeus regalis</taxonomicName>
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sp. n. occur sympatrically with
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<taxonomicName lsidName="A. costacrassa" pageId="39" pageNumber="40" rank="species" species="costacrassa">A. costacrassa</taxonomicName>
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sp. n. and
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<taxonomicName lsidName="A. senyumensis" pageId="39" pageNumber="40" rank="species" species="senyumensis">A. senyumensis</taxonomicName>
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sp. n. although the two are separated by their habitat preferences.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus regalis" order="Architaenioglossa" pageId="39" pageNumber="40" phylum="Mollusca" rank="species" species="regalis">Alycaeus regalis</taxonomicName>
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sp. n. appear to prefer drier habitats whereas
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<taxonomicName lsidName="A. costacrassa" pageId="39" pageNumber="40" rank="species" species="costacrassa">A. costacrassa</taxonomicName>
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sp. n. and
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<taxonomicName lsidName="A. senyumensis" pageId="39" pageNumber="40" rank="species" species="senyumensis">A. senyumensis</taxonomicName>
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sp. n. are always found on wet rocks with mosses.
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</paragraph>
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<caption pageId="39" pageNumber="40">
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<paragraph pageId="39" pageNumber="40">
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Figure 25.
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<taxonomicName class="Gastropoda" family="Alycaeidae" genus="Alycaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alycaeus regalis" order="Architaenioglossa" pageId="39" pageNumber="40" phylum="Mollusca" rank="species" species="regalis">Alycaeus regalis</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 12990
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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Close up of shell of holotype, BOR/MOL 12990
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<normalizedToken originalValue="I–L">I-L</normalizedToken>
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Operculum of paratype, BOR/MOL 6881. Note operculum with proteinaceous interior extension. Scale bars:
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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, F, G, 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> |