490 lines
48 KiB
XML
490 lines
48 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/BDJ.8.e48587" ID-PMC="PMC7244599" ID-Pensoft-Pub="1314-2828-8-e48587" ID-Pensoft-UUID="AFB6D59CE84C5B85A5F03E7989732A67" ID-PubMed="32489275" ID-ZooBank="3697318129E1447584DCFB88F5C1564D" ModsDocID="1314-2828-8-e48587" checkinTime="1589594180417" checkinUser="pensoft" docAuthor="Trivalairat, Poramad, Kunya, Kirati, Chanhome, Lawan, Sumontha, Montri, Vasaruchapong, Taksa, Chomngam, Nirut & Chiangkul, Krittiya" docDate="2020" docId="212B9A56ACDD536A958CC3115F384365" docLanguage="en" docName="BiodivDatJour 8: e48587" docOrigin="Biodiversity Data Journal 8" docSource="http://dx.doi.org/10.3897/BDJ.8.e48587" docTitle="Acanthosaura aurantiacrista Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul 2020, sp. n." docType="treatment" docVersion="2" id="AFB6D59CE84C5B85A5F03E7989732A67" lastPageNumber="48587" masterDocId="AFB6D59CE84C5B85A5F03E7989732A67" masterDocTitle="Acanthosaura aurantiacrista (Squamata: Agamidae), a new long horn lizard from northern Thailand" masterLastPageNumber="48587" masterPageNumber="48587" pageNumber="48587" updateTime="1668128337977" 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>Acanthosaura aurantiacrista (Squamata: Agamidae), a new long horn lizard from northern Thailand</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>Trivalairat, Poramad</mods:namePart>
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<mods:affiliation>Animal Systematics and Ecology Speciality Research Unit, Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand</mods:affiliation>
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<mods:nameIdentifier type="email">poramad.tri@gmail.com</mods:nameIdentifier>
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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>Kunya, Kirati</mods:namePart>
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<mods:affiliation>Nakhonratchasima Zoo, 111 M. 1, Ratchasima-Pak Tongchai Rd., Chaimongkol, Muang Nakhonrajsima, Thailand</mods:affiliation>
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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>Chanhome, Lawan</mods:namePart>
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<mods:affiliation>Head of Snake Farm Queen Saovabha Memorial Institute The Thai Red Cross Society 1871 Rama IV Rd., Bangkok, Thailand</mods:affiliation>
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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>Sumontha, Montri</mods:namePart>
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<mods:affiliation>Ranong Marine Fisheries Station, 157 M. 1 Saphan Pla Road, Pak Nam, Muang, Ranong, Thailand</mods:affiliation>
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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>Vasaruchapong, Taksa</mods:namePart>
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<mods:affiliation>Head of Snake Farm Queen Saovabha Memorial Institute The Thai Red Cross Society 1871 Rama IV Rd., Bangkok, Thailand</mods:affiliation>
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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>Chomngam, Nirut</mods:namePart>
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<mods:affiliation>54 M. 2, Tha Pha Subdistrict, Ban Pong District, Ratchaburi, Thailand</mods:affiliation>
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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>Chiangkul, Krittiya</mods:namePart>
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<mods:affiliation>Animal Systematics and Ecology Speciality Research Unit, Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand</mods:affiliation>
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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>Biodiversity Data Journal</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>8</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>48587</mods:start>
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<mods:end>48587</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/BDJ.8.e48587</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/BDJ.8.e48587</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2828-8-e48587</mods:identifier>
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<mods:identifier type="ZooBank">3697318129E1447584DCFB88F5C1564D</mods:identifier>
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<mods:identifier type="Pensoft-UUID">AFB6D59CE84C5B85A5F03E7989732A67</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:" httpUri="http://treatment.plazi.org/id/212B9A56ACDD536A958CC3115F384365" lastPageNumber="48587" pageId="0" pageNumber="48587">
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<subSubSection pageId="0" pageNumber="48587" type="nomenclature">
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<paragraph pageId="0" pageNumber="48587">
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<taxonomicName LSID="212B9A56-ACDD-536A-958C-C3115F384365" authority="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul, 2020" authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista" status="sp. n.">Acanthosaura aurantiacrista</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="48587">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="materials_examined">
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<paragraph pageId="0" pageNumber="48587">Materials</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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<materialsCitation collectionCode="THNHM, 28064" country="Thailand (northern region)" latitude="18.150778" location="Thailand (northern region)" longLatPrecision="1" longitude="97.98061" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Holotype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Holotype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Location:</emphasis>
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country:
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<collectingCountry pageId="0" pageNumber="48587">Thailand (northern region)</collectingCountry>
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; stateProvince: Mae Hong Son Province; county: Mae Sariang District; verbatimElevation:
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<elevation pageId="0" pageNumber="48587">728 m</elevation>
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; verbatimLatitude:
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<geoCoordinate degrees="18" direction="north" minutes="09" orientation="latitude" precision="1" seconds="02.8" value="18.150778">18°09'02.8"N</geoCoordinate>
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; verbatimLongitude:
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<geoCoordinate degrees="97" direction="east" minutes="58" orientation="longitude" precision="1" seconds="50.2" value="97.98061">97°58'50.2"E</geoCoordinate>
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; verbatimCoordinateSystem: degrees minutes seconds; verbatimSRS: WGS84;
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<emphasis bold="true" pageId="0" pageNumber="48587">Event:</emphasis>
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year: 2018; month: April; day: 27; habitat: evergreen forests on hills up to at least 600 m elevation; fieldNotes: collector = Poramad Trivalaira;
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">THNHM</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">28064</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult female
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</materialsCitation>
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<materialsCitation collectionCode="THNHM, 28521" country="Thailand (northern region)" latitude="17.662611" location="Sop Khong Subdistrict" longLatPrecision="1" longitude="98.19823" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Location:</emphasis>
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country:
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<collectingCountry pageId="0" pageNumber="48587">Thailand (northern region)</collectingCountry>
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; stateProvince: Chiang Mai Province; county: Omkoi District; locality:
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<location LSID="urn:lsid:plazi:treatment:212B9A56ACDD536A958CC3115F384365:BE67D35945A91A0696C608E2E6E1D177" country="Thailand (northern region)" latitude="17.662611" longLatPrecision="1" longitude="98.19823" name="Sop Khong Subdistrict" pageId="0" pageNumber="48587">Sop Khong Subdistrict</location>
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; verbatimElevation:
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<elevation pageId="0" pageNumber="48587">935</elevation>
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; verbatimLatitude:
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<geoCoordinate degrees="17" direction="north" minutes="39" orientation="latitude" precision="1" seconds="45.4" value="17.662611">17°39'45.4"N</geoCoordinate>
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; verbatimLongitude:
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<geoCoordinate degrees="98" direction="east" minutes="11" orientation="longitude" precision="1" seconds="53.6" value="98.19823">98°11'53.6"E</geoCoordinate>
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; verbatimCoordinateSystem: degrees minutes seconds; verbatimSRS: WGS84;
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<emphasis bold="true" pageId="0" pageNumber="48587">Event:</emphasis>
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year: 2018; month: November; day: 14; habitat: evergreen forests on hills up to at least 600 m elevation; fieldNotes: collector = Kirati Kunya;
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">THNHM</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">28521</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult female
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</materialsCitation>
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<materialsCitation collectionCode="THNHM, 28522" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">THNHM</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">28522</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult female, same collection date, collector and location as paratype THNHM28521
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</materialsCitation>
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<materialsCitation collectionCode="THNHM, 28523" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">THNHM</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">28523</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = subadult male, same collection date, collector and location as the THNHM28521
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</materialsCitation>
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<materialsCitation collectionCode="THNHM, 28524" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">THNHM</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">28524</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = subadult male, same collection date, collector and location as the THNHM28521
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</materialsCitation>
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<materialsCitation collectionCode="QSMI, 1446" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">QSMI</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">1446</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult female, same collection date, collector and location as the THNHM28521
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</materialsCitation>
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<materialsCitation collectionCode="QSMI, 1447" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">QSMI</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">1447</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult female, same collection date, collector and location as the THNHM28521
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</materialsCitation>
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<materialsCitation collectionCode="QSMI, 1448" pageId="0" pageNumber="48587" specimenCount="1" typeStatus="Paratype">
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<emphasis bold="true" pageId="0" pageNumber="48587">Type status:</emphasis>
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<typeStatus pageId="0" pageNumber="48587">Paratype</typeStatus>
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.
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<emphasis bold="true" pageId="0" pageNumber="48587">Record Level:</emphasis>
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institutionCode:
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<collectionCode pageId="0" pageNumber="48587">QSMI</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="48587">1448</collectionCode>
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; basisOfRecord: PreservedSpecimen; dynamicProperties: sex = adult male, same collection date, collector and location as the THNHM28521
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="molecular analyses">
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<paragraph pageId="0" pageNumber="48587">Molecular analyses</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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Molecular comparisons of 698 nucleotides of the ND2 gene revealed differences of 0-1.2% amongst seven specimens of
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<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
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</taxonomicName>
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sp. n. (GenBank MH777406, MK798128, MK798129, MK798130, MK798131, MK798132 and MK798133) (Table
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<tableCitation captionStart="Table 2" captionStartId="T5441309" captionText="Table 2. Pairwise distance values (percentages) of the ND 2 gene within and amongst six species of the genus Acanthosaura and the outgroup Calotes emma." httpUri="http://table.plazi.org/id/7FBA3419F424F2FF803512D1B6A5EA9F" pageId="0" pageNumber="48587" tableUuid="7FBA3419F424F2FF803512D1B6A5EA9F">2</tableCitation>
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). The ND2 gene sequences of the seven specimens of
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<taxonomicName lsidName="A. aurantiacrista" pageId="0" pageNumber="48587" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. aurantiacrista</emphasis>
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</taxonomicName>
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sp. n. showed differences of 10.9-14.5% compared to eight specimens of
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<taxonomicName lsidName="A. crucigera" pageId="0" pageNumber="48587" rank="species" species="crucigera">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. crucigera</emphasis>
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</taxonomicName>
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(GenBank GU817389, HM143889, MH777402, MH777403, MH777404, MH777405, MH777407 and MH777408); differences of 13.8-15.0% compared to two specimens of
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<taxonomicName lsidName="A. cardamomensis" pageId="0" pageNumber="48587" rank="species" species="cardamomensis">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. cardamomensis</emphasis>
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</taxonomicName>
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(GenBank GU817397 and GU817400); differences of 16.2-16.3% compared to two specimens of
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<taxonomicName lsidName="A. armata" pageId="0" pageNumber="48587" rank="species" species="armata">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. armata</emphasis>
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</taxonomicName>
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(GenBank AB266452 and NC014175); differences of 18.0-19.6% compared to two specimens of
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<taxonomicName lsidName="A. lepidogaster" pageId="0" pageNumber="48587" rank="species" species="lepidogaster">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. lepidogaster</emphasis>
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</taxonomicName>
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(GenBank AF128499 and KR092427); and differences of 19.1-19.8% compared to a specimen of
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<taxonomicName lsidName="A. capra" pageId="0" pageNumber="48587" rank="species" species="capra">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. capra</emphasis>
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</taxonomicName>
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(GenBank AF128498) (Table 4). The phylogenetic relationships within the genus
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<taxonomicName class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura</emphasis>
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</taxonomicName>
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revealed through Maximum-Likelihood trees and Bayesian Inference tree of the ND2 gene showed high posterior probabilities and high bootstrap support values (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F5441316" captionText="Figure 1. Phylogenetic analysis of the mitochondrial NADH dehydrogenase subunit 2 gene (ND 2) of genus Acanthosaura and Calotes emma _ DQ 289460. The upper diagram is from the Bayesian analysis; the lower is from the Maximum Likelihood analysis." figureDoi="10.3897/BDJ.8.e48587.figure1" httpUri="https://binary.pensoft.net/fig/394722" pageId="0" pageNumber="48587">1</figureCitation>
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). The
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<taxonomicName lsidName="A. aurantiacrista" pageId="0" pageNumber="48587" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. aurantiacrista</emphasis>
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</taxonomicName>
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sp. n. lineage was sister to the
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<taxonomicName lsidName="A. crucigera" pageId="0" pageNumber="48587" rank="species" species="crucigera">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. crucigera</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="A. cardamomensis" pageId="0" pageNumber="48587" rank="species" species="cardamomensis">
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<emphasis italics="true" pageId="0" pageNumber="48587">A. cardamomensis</emphasis>
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</taxonomicName>
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lineage and warrants separate species recognition.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="mophological comparison">
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<paragraph pageId="0" pageNumber="48587">Mophological comparison</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
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</taxonomicName>
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|
sp. n. differs from
|
|
<taxonomicName lsidName="A. armata" pageId="0" pageNumber="48587" rank="species" species="armata">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. armata</emphasis>
|
|
</taxonomicName>
|
|
in presenting fewer INFRAL (9-11 vs. 12-15), more FI (17-23 vs. 13-17), more TO (25-29 vs. 19-26), fewer NS (5-6 vs. 6-10), fewer NCS (11-13 vs. 10-17) and the presence of a BEP and more GP (1-4 vs. 1) (Suppl. material 1).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. bintangensis" pageId="0" pageNumber="48587" rank="species" species="bintangensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. bintangensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater TaL/SVL ratio (1.40-1.70 vs. 1.30-1.40), greater PS/HL ratio (0.24-0.84 vs. 0.07-0.19), greater DS/HL ratio (0.15-0.38 vs. 0.08-0.09), fewer DIASN (8-9 vs. 11-15), more VENT (63-66 vs. 51-55), fewer NSSOS (5 vs. 6-7), fewer NS (5-6 vs. 8) and the presence of a LKP.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. brachypoda" pageId="0" pageNumber="48587" rank="species" species="brachypoda">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. brachypoda</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater PS/HL ratio (0.24-0.84 vs. 0.11), greater DS/HL ratio (0.15-0.38 vs. 0.06), fewer RS (4-6 vs. 5-9), fewer NS (5-6 vs. 9) and more GP (1-4 vs. 0).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. capra" pageId="0" pageNumber="48587" rank="species" species="capra">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. capra</emphasis>
|
|
</taxonomicName>
|
|
in presenting fewer INFRAL (9-11 vs. 12-13), more FI (17-23 vs. 16-17), more TO (25-29 vs. 22-24), fewer NS (5-6 vs. 9) and the presence of an occipital spine and scales surrounding the occipital spine.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. cardamomensis" pageId="0" pageNumber="48587" rank="species" species="cardamomensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. cardamomensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting fewer RS (4-6 vs. 7-9), fewer NS (5-6 vs. 7-10) and fewer NSSLC (9-13 vs. 10-19).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. coronata" pageId="0" pageNumber="48587" rank="species" species="coronata">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. coronata</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater TaL/SVL ratio (1.40-1.70 vs. 0.60-1.00), more FI (17-23 vs. 13-14), more TO (25-29 vs. 17-19), fewer RS (4-6 vs. 9), fewer NS (5-6 vs. 7-9), fewer NR (1-2 vs. 3-4) and the presence of a postorbital spine, nuchal spine, dorsal spine, diastema, occipital spine, YAS, ND, BEP and more GP (1-4 vs. 0).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. crucigera" pageId="0" pageNumber="48587" rank="species" species="crucigera">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. crucigera</emphasis>
|
|
</taxonomicName>
|
|
in presenting fewer DIASN (8-9 vs. 9-25), more VENT (63-66 vs. 55-63), more FI (17-23 vs. 16-18), more TO (25-29 vs. 21-26), fewer RS (4-6 vs. 7-8), fewer NS (5-6 vs. 7-9) and more GP (1-4 vs. 1-2).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. lepidogaster" pageId="0" pageNumber="48587" rank="species" species="lepidogaster">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. lepidogaster</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater TaL/SVL ratio (1.40-1.70 vs. 1.00-1.50), greater PS/HL ratio (0.24-0.84 vs. 0.06-0.17), greater NSL/HL ratio (0.35-0.95 vs. 0.12-0.15), greater DS/HL ratio (0.15-0.38 vs. 0.06-0.15), fewer DIASN (8-9 vs. 10-14), more VENT (63-66 vs. 52-61), more TO (25-29 vs. 22-23), greater OS/HL ratio (0.19-0.44 vs. 0.14-0.15), fewer NS (5-6 vs. 7-8), fewer PM (4 vs. 5), absence of scale on tympanum and more GP (1-4 vs. 0-1).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. murphyi" pageId="0" pageNumber="48587" rank="species" species="murphyi">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. murphyi</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater PS/HL ratio (0.24-0.84 vs. 0.16-0.34), greater NSL/HL ratio (0.35-0.95 vs. 0.24-0.43), fewer INFRAL (9-11 vs. 12-14), more FI (17-23 vs. 15-18), more TO (25-29 vs. 21-23), fewer RS (4-6 vs. 8-9), fewer NS (5-6 vs. 7-8), fewer NR (1-2 vs. 3-4) and the absence of a tympanum scale.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. nataliae" pageId="0" pageNumber="48587" rank="species" species="nataliae">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. nataliae</emphasis>
|
|
</taxonomicName>
|
|
in presenting fewer VENT (63-66 vs. 64-71), fewer RS (4-6 vs. 7), fewer NSSLC (9-13 vs. 13-16) and the presence of an occipital spine, scales surrounding the occipital spine, ND and LKP.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. phongdienensis" pageId="0" pageNumber="48587" rank="species" species="phongdienensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. phongdienensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater PS/HL ratio (0.24-0.84 vs. 0.06-0.09), greater NSL/HL ratio (0.35-0.95 vs. 0.07-0.18), larger DS/HL ratio (0.15-0.38 vs. 0.03-0.07), more FI (17-23 vs. 14-17), more TO (25-29 vs. 19-23) and the presence of a diastema.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. phuketensis" pageId="0" pageNumber="48587" rank="species" species="phuketensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. phuketensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater NSL/HL ratio (0.35-0.95 vs. 0.21-0.39), fewer DIASN (8-9 vs. 12-17), more FI (17-23 vs. 15-17), more TO (25-29 vs. 21-24), fewer RS (4-6 vs. 5-9), fewer NS (5-6 vs. 7-8) and more GP (1-4 vs. 1-2).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. titiwangsaensis" pageId="0" pageNumber="48587" rank="species" species="titiwangsaensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. titiwangsaensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater PS/HL ratio (0.24-0.84 vs. 0.14-0.18), greater NSL/HL ratio (0.35-0.95 vs. 0.11-0.18), greater DS/HL ratio (0.15-0.38 vs. 0.07-0.09), fewer DIASN (8-9 vs. 10-13), more VENT (63-66 vs. 47-57), fewer NS (5-6 vs. 8) and the presence of a LKP.
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
sp. n. differs from
|
|
<taxonomicName lsidName="A. tongbiguanensis" pageId="0" pageNumber="48587" rank="species" species="tongbiguanensis">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">A. tongbiguanensis</emphasis>
|
|
</taxonomicName>
|
|
in presenting greater PS/HL ratio (0.24-0.84 vs. 0.13-0.19), greater NSL/HL ratio (0.35-0.95 vs. 0.15-0.21), greater OS/HL ratio (0.19-0.44 vs. 0.16-0.23), fewer RS (4-6 vs. 6-9), fewer NS (5-6 vs. 8-9) and more GP (1-4 vs. 1-2).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="48587" type="diagnosis">
|
|
<paragraph pageId="0" pageNumber="48587">Diagnosis</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
|
|
<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
|
|
</taxonomicName>
|
|
<emphasis bold="true" pageId="0" pageNumber="48587">sp. n.</emphasis>
|
|
is differentiated from all other congeners by this combination of characters: A large size (maximum SVL 130.1 mm for males and 119.3 mm for females) and a single long conical spine above the posterior margin of the eye; a large spine on the occiput between the tympanum and nuchal crest; tympanum naked, large, roundish; large developed gular pouch; scales on flanks randomly intermixed with small keeled and small tubercle scales; large nuchal crest with 8 large dagger-like and pointed spines; narrow diastema with 8-9 scales between the nuchal and vertebral crests; vertebral crest composed of large dagger-like, pointed spines beginning at the shoulder region and decreasing in size until the base of the tail; nuchal and dorsal crests are orange in females and yellow in males; tail 1.40-1.70 times the SVL; and black collar and black eye patch present, extending posteriorly until reaching the nuchal crest.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="48587" type="description">
|
|
<paragraph pageId="0" pageNumber="48587">Description</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
<emphasis bold="true" pageId="0" pageNumber="48587">Description of the holotype</emphasis>
|
|
: Adult female. SVL 105.7 mm; TaL 151.8 mm (1.44 times SVL), tail complete; HL (23.3 mm) slightly longer than HW (18.9 mm); HL one-fifth SVL (0.22 times SVL), HW narrow (0.179 times SVL) and HD tall (0.64 times HL); head triangular in dorsal and lateral views; SL moderately long (0.46 times HL); RW wide (2.31 times RH); steeply sloping anteriorly; CS prominent, forming a large projecting shelf extending above eye, composed of 14/13 large scales; shelf terminates with a notch anterior to postorbital spine; rostrum moderate in size, rectangular, bordered laterally by first SUPRALs and posteriorly by five smaller scales; nostrils roundish, surrounded by one prenasal anteriorly, four postnasals posteriorly and two subnasals; six NS; oval supranasals; large scales above orbit weakly keeled; three rows of moderately-keeled scales below orbit extending from the anterior margin of the eye to posterior; large EYE (0.28 times HL) and ORBIT (0.44 times HL); interorbital, prefrontal and frontal scales slightly keeled and smaller than scales below orbit; seven large, keeled, azygous prefrontal scales arranged in a Y-shaped pattern; parietal eyespot surrounded by a larger row of scales; large conical PS above posterior margin of the eye surrounded by five small lanceolate scales; single row of seven large keeled scales extending from suborbital below posterior margin of eye to above tympanic margin, increasing in size posteriorly; elongated conical OS on lateral margin of nape surrounded by a rosette of five small lanceolate NSSOS; tympanum exposed, roundish, with a size two-thirds that of EYE (0.69 times EYE), surrounded by tiny conical scales; thirteen rectangular SUPRALs similar in size; mental pentagonal, larger than adjacent INFRALs; two postmentals similar in size, four scales contacting PM; chin shields large, extending posteriorly to angle of jaw, separated from infralabials by one scale row anteriorly and three at angle of jaw; eleven rectangular INFRALs of similar size; gular scales sharply keeled and spinose with a larger midventral row; extensible dewlap present; nuchal crest composed of eight elongated, dagger-like scales, bordered on each side by two rows of large, flat, keeled, triangular scales; nuchal crest followed by a diastema of nine DIASN at base of nape; dorsal body crest extending from posterior margin of diastema to base of tail; dorsal crest composed of small laterally compressed, triangular epidermal scales, bordered by a row of smaller paravertebral triangular scales; DS slightly decreasing to sacrum, then fading progressively; and nuchal and dorsal crests present as orange in live specimen (Fig.
|
|
<figureCitation captionStart="Figure 2" captionStartId="F5441352" captionText="Figure 2. Holotype THNHM 28064 of Acanthosaura aurantiacrista sp. n., adult female from Mae Sariang District, Mae Hong Son Province, Thailand. A. Dorsal and B. Ventral views of the body; C. Lateral and D. Dorsal view of the head; E. In life." figureDoi="10.3897/BDJ.8.e48587.figure2" httpUri="https://binary.pensoft.net/fig/355834" pageId="0" pageNumber="48587">2</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">Body robust, triangular in cross-section; dorsal body scales small, mixed with some large-keeled scales without a regular pattern, keels projecting posteriorly; pectoral and abdominal scales larger than DS; keeled, semi-transverse rows arranged; keeled scales anterior to large vent; limbs relatively long, dorsal forelimb and hindlimb scales keeled and larger than VENT; five digits on manus; subdigital scales keeled, FI 23/21; five digits on pes; subdigital scales keeled, TO 27/26; TaL 1.44 times SVL, tail covered with keeled spinose scales, keels on subcaudals directed posteriorly; subcaudals much longer than supracaudals; TBW 10.3 mm; and four white creamy eggs with a diameter of approximately 10 mm inside the body.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="0" pageNumber="48587" type="variation">
|
|
<paragraph pageId="0" pageNumber="48587">Variation</paragraph>
|
|
<paragraph pageId="0" pageNumber="48587">
|
|
The female paratypes resemble the holotype in all aspects, and the observed differences were a larger PS (7-10.5 vs. 5.7) and OS (5.3-7.5 vs. 4.5) and greater NSL (9.6-12.7 vs. 8.3), wider WNC (0.9-1.6 vs. 0.6), more SUPRAL (10-11/10 vs. 13/13) and fewer number of FI (18-20/17-20 vs. 23/21), higher number of NSSLC (10 vs. 13) in QSMI1446, QSMI1447, THNHM28521 and THNHM28522, and larger GP (3 vs. 1) in QSMI1446 and THNHM28522. The adult male paratype (QSMI1448) differs from the adult female holotype in presenting a longer SVL (130.1 vs. 105.7), greater TaL (202.2 vs. 151.8) and SL (22.3 vs. 10.7), wider TBW (19.2 vs. 10.3), greater HD (21.7 vs. 14.9), larger ORBIT (8.5 vs. 6.4), longer PS (19.1 vs. 5.7), OS (10 vs. 4.5), greater NSL (21.6 vs. 8.3), FOREL (54.2 vs. 49.8), HINDL (71.4 vs. 59.7) and GP (4 vs. 1) size, wider WNC (2.9 vs. 0.6), narrower DIAS (3.5 vs. 5.4) and fewer number of SUPRAL (10 vs. 13) and FI (19/18 vs. 23/21). Two subadult male paratypes are smaller and present fewer differences in morphological characters compared with the holotype, except for a longer PS (5.5-7.5 vs. 5.7) and OS (5.9 vs. 4.5) in THNHM28523, a greater WNC (0.7-0.8 vs. 0.6) in THNHM28523 and THNHM28524 and higher number of TO (29/29 vs. 27/26) (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F5441356" captionText="Figure 3. Paratype QSMI 1448 of Acanthosaura aurantiacrista sp. n., adult male from Sop Khong Subdistrict, Omkoi District, Chiang Mai Province, Thailand. A. Dorsal and B. Ventral views of body; C. Cloaca opening with everted hemipenis; D. Everted left hemipenis." figureDoi="10.3897/BDJ.8.e48587.figure3" httpUri="https://binary.pensoft.net/fig/355835" pageId="0" pageNumber="48587">3</figureCitation>
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). Morphometric and meristic data for the type series are shown in Table
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<tableCitation captionStart="Table 3" captionStartId="T5441313" captionText="Table 3. Morphometrical (in mm) and meristic data for the type series of Acanthosaura aurantiacrista sp. n. For character abbreviations, see materials and methods. Paired meristic characters are given left / right. NA = not applicable." httpUri="http://table.plazi.org/id/2F28ED99D19C538E8A7F3704D81B3444" pageId="0" pageNumber="48587" tableUuid="2F28ED99D19C538E8A7F3704D81B3444">3</tableCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="coloration in life">
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<paragraph pageId="0" pageNumber="48587">Coloration in life</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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Males - Front of head dark with brownish-yellow colouration on the canthals; lips yellow; black eye patch; lateral head and neck yellow; gular pouch white; postorbital and occipital spines creamy yellow; nuchal crest bright yellow with some orange; dorsal crest orange-yellow; body rusty-brown with some brownish-yellow keeled scales; whitish-yellow ocellated spot at the knee and elbow; ventral creamy white with some dark spots or dirty brown colouration on the abdomen with creamy brown colouration on pectoral and forelimbs; forelimbs and hindlimbs dark brown dorsally; tail banded with dark brown and dirty light brown (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5441360" captionText="Figure 4. Morphology of Acanthosaura aurantiacrista sp. n. from Sop Khong Subdistrict, Omkoi District, Chiang Mai Province, Thailand. A. Adult male paratype QSMI 1448; B. Adult female paratype THNHM 28522; C. Subadult male paratype THNHM 28523." figureDoi="10.3897/BDJ.8.e48587.figure4" httpUri="https://binary.pensoft.net/fig/355836" pageId="0" pageNumber="48587">4</figureCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="48587">In addition, the hemipenis of QSMI1448 is everted approximately 10 mm from the cloaca opening to the hemipenis tip on each side. The hemipenis on each side diverged to a symmetrical spongy millet shape with a width of approximately 5 mm. In preserved ethanol, the hemipenes exhibited a creamy yellow colouration.</paragraph>
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<paragraph pageId="0" pageNumber="48587">Females - Front of head whitish-yellow or creamy white; lips orange-yellow; black eye patch; lateral head and neck yellow intermixed with orange; gular pouch white or yellow intermixed with white; postorbital and occipital spines creamy yellow; nuchal crest yellowish-orange or reddish-orange; dorsal crest reddish-orange; body with brownish-grey or rusty-grey marbled reticulum with some grey keeled scales; whitish or whitish-yellow ocellated spot at the knee and elbow, with certain others indicated on the forelimbs and hindlimbs; ventral creamy white or creamy yellow intermixed with some dark brown on the abdomen, ventral region of forelimbs and hindlimbs; forelimbs and hindlimbs brownish-grey dorsally; tail banded with dark brown and dirty light brown.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="etymology">
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<paragraph pageId="0" pageNumber="48587">Etymology</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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The specific epithet
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<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">aurantiacrista</emphasis>
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</taxonomicName>
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came from a combination of the Latin words aurantiaco (orange) and crista (crest). The name refers to a distinctive characteristic of the first discovered female specimen, which exhibited nuchal and dorsal crests with an orange colour. We suggest the following common names: kingkakhaownaam seesom (Thai), orange crested horned lizard (English), orange-verzierter
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<normalizedToken originalValue="gehörnter">gehoernter</normalizedToken>
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Nackenstachler (German) and Acanthosaurus
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<normalizedToken originalValue="à">a</normalizedToken>
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<normalizedToken originalValue="crête">crete</normalizedToken>
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orange (French).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="distribution">
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<paragraph pageId="0" pageNumber="48587">Distribution</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
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</taxonomicName>
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sp. n. occurs in the Thanon Thong Chai Mountain Range in northern Thailand: Mae Sariang District, Mae Hong Son Province (
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<geoCoordinate degrees="18" direction="north" minutes="14" orientation="latitude" precision="1" seconds="54.8" value="18.248556">18°14'54.8"N</geoCoordinate>
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, 97°98'38.2"E) at 728 m a.s.l.; Sop Khong Subdistrict, Omkoi District, Chiang Mai Province (17°63'55.4"N,
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<geoCoordinate degrees="98" direction="east" minutes="18" orientation="longitude" precision="1" seconds="15.6" value="98.30434">98°18'15.6"E</geoCoordinate>
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) at 935 m a.s.l.; and Nang Lae Subdistrict, Mueang District, Chiang Rai Province (
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<geoCoordinate degrees="20" direction="north" minutes="02" orientation="latitude" precision="1" seconds="35.3" value="20.043139">20°02'35.3"N</geoCoordinate>
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,
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<geoCoordinate degrees="99" direction="east" minutes="54" orientation="longitude" precision="1" seconds="12.1" value="99.903366">99°54'12.1"E</geoCoordinate>
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) at 636 m a.s.l. This species usually lives in rainforests on mountains at elevations over 600 m a.s.l. (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5441340" captionText="Figure 5. Distribution of Acanthosaura species in Thailand." figureDoi="10.3897/BDJ.8.e48587.figure5" httpUri="https://binary.pensoft.net/fig/407398" pageId="0" pageNumber="48587">5</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="48587" type="ecology">
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<paragraph pageId="0" pageNumber="48587">Ecology</paragraph>
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<paragraph pageId="0" pageNumber="48587">
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<taxonomicName authorityName="Trivalairat & Kunya & Chanhome & Sumontha & Vasaruchapong & Chomngam & Chiangkul" authorityYear="2020" class="Reptilia" family="Agamidae" genus="Acanthosaura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthosaura aurantiacrista" order="Squamata" pageId="0" pageNumber="48587" phylum="Chordata" rank="species" species="aurantiacrista">
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<emphasis italics="true" pageId="0" pageNumber="48587">Acanthosaura aurantiacrista</emphasis>
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</taxonomicName>
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sp. n. has been found in evergreen forests on hills up to at least 600 m elevation (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F5441364" captionText="Figure 6. Ecological area of Acanthosaura aurantiacrista sp. n. from Sop Khong Subdistrict, Omkoi District, Chiang Mai Province, Thailand." figureDoi="10.3897/BDJ.8.e48587.figure6" httpUri="https://binary.pensoft.net/fig/355837" pageId="0" pageNumber="48587">6</figureCitation>
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). It is active during the day on the ground, logs or rocks or 1-2 m above the ground on trees. During night, it is inactive and sleeps on twigs or trees 1-2 m above the ground. This species displays a defence mechanism against approach or provocation consisting of falling to the ground and running away to find refuge under rocks, log hollows or shrubs.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |