178 lines
18 KiB
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178 lines
18 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zse.99.99030" ID-Pensoft-Pub="1860-0743-1-195" ID-Pensoft-UUID="C59B2291F71D52B89499FD9433B4B57E" ID-ZooBank="E28DD35A30EA4C53B5A6F0A80CA0CFC0" ModsDocID="1860-0743-99-1-195" checkinTime="1678295867757" checkinUser="pensoft" docAuthor="Boonmachai, Tuangthong, Bergey, Elizabeth A. & Nantarat, Nattawadee" docDate="2023" docId="F40546429BC05FBB960E09362C641142" docLanguage="en" docName="ZoosystEvol 99(1): 195-207" docOrigin="Zoosystematics and Evolution 99 (1)" docPubDate="2023-03-07" docSource="http://dx.doi.org/10.3897/zse.99.99030" docTitle="Diplommatina prakaiphetensis Boonmachai & Nantarat 2023, sp. nov." docType="treatment" docUuid="C468B471-1728-4C9C-ABC3-4C1530C644D8" docUuidSource="ZooBank" docVersion="2" id="C59B2291F71D52B89499FD9433B4B57E" lastPageNumber="195" masterDocId="C59B2291F71D52B89499FD9433B4B57E" masterDocTitle="First record and description of three new species in the land snail genus Diplommatina Benson, 1849 (Caenogastropoda, Diplommatinidae) from Satun Province, Thailand" masterLastPageNumber="207" masterPageNumber="195" pageNumber="195" updateTime="1678296169138" 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>First record and description of three new species in the land snail genus Diplommatina Benson, 1849 (Caenogastropoda, Diplommatinidae) from Satun Province, 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>Boonmachai, Tuangthong</mods:namePart>
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<mods:affiliation>Ph. D. ' s Degree Program in Biology (International Program), Faculty of Science, Chiang Mai University, Chiang Mai 50200, 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>Bergey, Elizabeth A.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7160-6590</mods:nameIdentifier>
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<mods:affiliation>Department of Biology, Faculty of Science, Chiang Mai University 50200, 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>Nantarat, Nattawadee</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-3317-0041</mods:nameIdentifier>
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<mods:affiliation>Ph. D. ' s Degree Program in Biology (International Program), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand</mods:affiliation>
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<mods:nameIdentifier type="email">n_nantarat@yahoo.com</mods:nameIdentifier>
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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>Zoosystematics and Evolution</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-03-07</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>99</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>195</mods:start>
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<mods:end>207</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/zse.99.99030</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/zse.99.99030</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1860-0743-1-195</mods:identifier>
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<mods:identifier type="ZooBank">E28DD35A30EA4C53B5A6F0A80CA0CFC0</mods:identifier>
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<mods:identifier type="Pensoft-UUID">C59B2291F71D52B89499FD9433B4B57E</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:C468B471-1728-4C9C-ABC3-4C1530C644D8" httpUri="http://treatment.plazi.org/id/F40546429BC05FBB960E09362C641142" lastPageNumber="195" pageId="0" pageNumber="195">
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<subSubSection pageId="0" pageNumber="195" type="nomenclature">
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<paragraph pageId="0" pageNumber="195">
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<taxonomicName LSID="https://zoobank.org/C468B471-1728-4C9C-ABC3-4C1530C644D8" authority="Boonmachai & Nantarat" authorityName="Boonmachai & Nantarat" authorityYear="2023" class="Gastropoda" family="Diplommatinidae" genus="Diplommatina" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Diplommatina prakaiphetensis" order="Mesogastropoda" pageId="0" pageNumber="195" phylum="Mollusca" rank="species" species="prakaiphetensis" status="sp. nov.">Diplommatina prakaiphetensis Boonmachai & Nantarat</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="195">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="description">
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<paragraph pageId="0" pageNumber="195">
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of Diplommatina from Satun Province. A. D. bulonensis sp. nov. (Holotype CMUZ 9050001; Bulon Pai Island); B. D. laemsonensis sp. nov. (Holotype CMUZ 9050019; Laem Son Hill); C. D. prakaiphetensis sp. nov. (Holotype CMUZ 9050066; Prakaiphet Hill); D. D. naiyanetri (CMUZ 905090; Tarutao Island); E. D. canaliculata (CMUZ 9050158; Tharn Pliew Waterfall)." figureDoi="10.3897/zse.99.99030.figure2" httpUri="https://binary.pensoft.net/fig/820985" pageId="0" pageNumber="195">Figs 2C</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Scanning electron microscope of shell morphology, protoconch and operculum of Diplommatina new species. A-C. D. bulonensis sp. nov. (Bulon Pai Island); D-F. D. laemsonensis sp. nov. (Laem Son Hill); G-I. D. prakaiphetensis sp. nov. (Prakaiphet Hill)." figureDoi="10.3897/zse.99.99030.figure3" httpUri="https://binary.pensoft.net/fig/820986" pageId="0" pageNumber="195">, 3G-I</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="type material">
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<paragraph pageId="0" pageNumber="195">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="195">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="195">Holotype</emphasis>
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CMUZ 9050066 (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of Diplommatina from Satun Province. A. D. bulonensis sp. nov. (Holotype CMUZ 9050001; Bulon Pai Island); B. D. laemsonensis sp. nov. (Holotype CMUZ 9050019; Laem Son Hill); C. D. prakaiphetensis sp. nov. (Holotype CMUZ 9050066; Prakaiphet Hill); D. D. naiyanetri (CMUZ 905090; Tarutao Island); E. D. canaliculata (CMUZ 9050158; Tharn Pliew Waterfall)." figureDoi="10.3897/zse.99.99030.figure2" httpUri="https://binary.pensoft.net/fig/820985" pageId="0" pageNumber="195">2C</figureCitation>
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); Shell measurements: SH = 1.76 mm, SW = 0.89 mm, AH = 0.66 mm, AW = 0.64 mm, W = 6 1/2.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="195">Paratypes</emphasis>
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CMUZ 9050067-9050071 (5 shells); Shell measurements: SH = 1.62-1.75 mm, SW = 0.83-0.90 mm, AH = 0.59-0.69 mm, AW = 0.61-0.72 mm, W = 6-7.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="type locality">
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<paragraph pageId="0" pageNumber="195">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="195">
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Thailand, Satun Province, Thung Wa District, Prakaiphet Hill,
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<geoCoordinate degrees="7" direction="north" minutes="00" orientation="latitude" precision="1" seconds="00.1" value="7.0000277">7°00'00.1"N</geoCoordinate>
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,
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<geoCoordinate degrees="99" direction="east" minutes="46" orientation="longitude" precision="1" seconds="08.7" value="99.76909">99°46'08.7"E</geoCoordinate>
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, 19 January 2022, coll. T. Boonmachai.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="materials_examined">
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<paragraph pageId="0" pageNumber="195">Other material examined.</paragraph>
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<paragraph pageId="0" pageNumber="195">
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<materialsCitation collectingDate="2022-01-19" country="Thailand" latitude="7.0000277" location="Prakaiphet Hill" longLatPrecision="1" longitude="99.76909" municipality="Thung Wa District" specimenCount="1" stateProvince="Satun Province">
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<collectingCountry name="Thailand">Thailand</collectingCountry>
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,
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<collectingRegion country="Thailand" name="Satun">Satun Province</collectingRegion>
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,
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<collectingMunicipality>Thung Wa District</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:F40546429BC05FBB960E09362C641142:F276928967D264505DAFA8C18DDB147B" country="Thailand" latitude="7.0000277" longLatPrecision="1" longitude="99.76909" municipality="Thung Wa District" name="Prakaiphet Hill" stateProvince="Satun Province">Prakaiphet Hill</location>
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,
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<geoCoordinate degrees="7" direction="north" minutes="00" orientation="latitude" precision="1" seconds="00.1" value="7.0000277">7°00'00.1"N</geoCoordinate>
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,
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<geoCoordinate degrees="99" direction="east" minutes="46" orientation="longitude" precision="1" seconds="08.7" value="99.76909">99°46'08.7"E</geoCoordinate>
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,
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<collectingDate value="2022-01-19">19 January 2022</collectingDate>
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: CMUZ 9050072-9050088 (17 shells)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="etymology">
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<paragraph pageId="0" pageNumber="195">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="195">The specific epithet prakaiphetensis is an adjective referring to the type locality (Prakaiphet Hill in Na Thon subdistrict, Thung Wa District, Satun Province, Thailand).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="differential diagnosis">
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<paragraph pageId="0" pageNumber="195">Differential diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="195">
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Among sinistral diplommatinids,
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<taxonomicName authorityName="Boonmachai & Nantarat" authorityYear="2023" class="Gastropoda" family="Diplommatinidae" genus="Diplommatina" kingdom="Animalia" lsidName="Diplommatina prakaiphetensis" order="Stylommatophora" pageId="0" pageNumber="195" phylum="Mollusca" rank="species" species="prakaiphetensis">
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<emphasis italics="true" pageId="0" pageNumber="195">Diplommatina prakaiphetensis</emphasis>
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</taxonomicName>
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sp. nov. most closely resembles
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<taxonomicName lsidName="D. krabiensis" pageId="0" pageNumber="195" rank="species" species="krabiensis">
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<emphasis italics="true" pageId="0" pageNumber="195">D. krabiensis</emphasis>
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</taxonomicName>
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Panha & J. B. Burch, 1998 from Thailand, and
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<taxonomicName lsidName="D. karoensis" pageId="0" pageNumber="195" rank="species" species="karoensis">
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<emphasis italics="true" pageId="0" pageNumber="195">D. karoensis</emphasis>
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</taxonomicName>
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Maassen, 2002 from Sumatra, Indonesia as all these species share a minute size, an ovate shell shape with rather flat whorls, radial ribs being distinct and comparatively widely spaced. However,
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<taxonomicName lsidName="D. prakaiphetensis" pageId="0" pageNumber="195" rank="species" species="prakaiphetensis">
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<emphasis italics="true" pageId="0" pageNumber="195">D. prakaiphetensis</emphasis>
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</taxonomicName>
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sp. nov. differs from both other species in the number of whorls (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of shell morphological characters of closely related Diplommatina species with new species. Shell morphological characters were tested using one-way ANOVA (P <0.05)." httpUri="http://table.plazi.org/id/EF8D3F539259B811645CFEF5AF2E8FAE" pageId="0" pageNumber="195" tableUuid="EF8D3F539259B811645CFEF5AF2E8FAE">1</tableCitation>
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). It also differs from
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<taxonomicName lsidName="D. karoensis" pageId="0" pageNumber="195" rank="species" species="karoensis">
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<emphasis italics="true" pageId="0" pageNumber="195">D. karoensis</emphasis>
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</taxonomicName>
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in the number of radial ribs/0.5 mm on the penultimate whorl and ratio of SH/SW (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of shell morphological characters of closely related Diplommatina species with new species. Shell morphological characters were tested using one-way ANOVA (P <0.05)." httpUri="http://table.plazi.org/id/EF8D3F539259B811645CFEF5AF2E8FAE" pageId="0" pageNumber="195" tableUuid="EF8D3F539259B811645CFEF5AF2E8FAE">1</tableCitation>
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). Moreover, the absence of radial ribs on the body whorl on the parietal side and slightly wavy radial ribs distinguishes it from
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<taxonomicName lsidName="D. krabiensis" pageId="0" pageNumber="195" rank="species" species="krabiensis">
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<emphasis italics="true" pageId="0" pageNumber="195">D. krabiensis</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="195" type="description">
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<paragraph pageId="0" pageNumber="195">Description.</paragraph>
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<paragraph pageId="0" pageNumber="195">
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Shell sinistral, fusiform, thin, convex, color Aztec gold, (Figs
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Shell morphology of Diplommatina from Satun Province. A. D. bulonensis sp. nov. (Holotype CMUZ 9050001; Bulon Pai Island); B. D. laemsonensis sp. nov. (Holotype CMUZ 9050019; Laem Son Hill); C. D. prakaiphetensis sp. nov. (Holotype CMUZ 9050066; Prakaiphet Hill); D. D. naiyanetri (CMUZ 905090; Tarutao Island); E. D. canaliculata (CMUZ 9050158; Tharn Pliew Waterfall)." figureDoi="10.3897/zse.99.99030.figure2" httpUri="https://binary.pensoft.net/fig/820985" pageId="0" pageNumber="195">2C</figureCitation>
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,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Scanning electron microscope of shell morphology, protoconch and operculum of Diplommatina new species. A-C. D. bulonensis sp. nov. (Bulon Pai Island); D-F. D. laemsonensis sp. nov. (Laem Son Hill); G-I. D. prakaiphetensis sp. nov. (Prakaiphet Hill)." figureDoi="10.3897/zse.99.99030.figure3" httpUri="https://binary.pensoft.net/fig/820986" pageId="0" pageNumber="195">3G</figureCitation>
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). Penultimate whorl width slightly smaller than the body whorl, suture impressed. Constriction level with the middle parietal side of the peristome, with three lamellae: one parietalis, one short transverse palatalis and one prominent columellaris that continues into the tuba and is visible in the aperture (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Shell internal terminology of new species genus Diplommatina from Satun Province under the stereo microscope and the drawing. A, B. D. bulonensis sp. nov. (Bulon Pai Island); C, D. D. laemsonensis sp. nov. (Laem Son Hill); E, F. D. prakaiphetensis sp. nov. (Prakaiphet Hill)." figureDoi="10.3897/zse.99.99030.figure4" httpUri="https://binary.pensoft.net/fig/820987" pageId="0" pageNumber="195">4E, F</figureCitation>
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). Protoconch smooth, with very fine pits, about 1 1/4 whorl (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Scanning electron microscope of shell morphology, protoconch and operculum of Diplommatina new species. A-C. D. bulonensis sp. nov. (Bulon Pai Island); D-F. D. laemsonensis sp. nov. (Laem Son Hill); G-I. D. prakaiphetensis sp. nov. (Prakaiphet Hill)." figureDoi="10.3897/zse.99.99030.figure3" httpUri="https://binary.pensoft.net/fig/820986" pageId="0" pageNumber="195">3H</figureCitation>
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). Radial ribs are very fine and closely spaced on top of the teleoconch; the following ones are more widely spaced, and become prominent on third to last whorl and are wavy, inconspicuous or almost absent on the body whorl on the parietal side of peristome with about 3-4 ribs/0.5 mm on the penultimate whorl (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of shell morphological characters of closely related Diplommatina species with new species. Shell morphological characters were tested using one-way ANOVA (P <0.05)." httpUri="http://table.plazi.org/id/EF8D3F539259B811645CFEF5AF2E8FAE" pageId="0" pageNumber="195" tableUuid="EF8D3F539259B811645CFEF5AF2E8FAE">1</tableCitation>
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). Aperture rounded, columellar denticle distinct in the aperture. Peristome double and expanding. The outer peristome expanding beyond the inner, with palatal and columellar side protruding, basal side not protruding, inner peristome expanding with a weak parietal lip. Umbilicus closed. Operculum multispiral, flat, corneous, transparent, slightly concave, outer surface smooth, inner surface smooth with a large ridge and raised peripheral circular edge (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Scanning electron microscope of shell morphology, protoconch and operculum of Diplommatina new species. A-C. D. bulonensis sp. nov. (Bulon Pai Island); D-F. D. laemsonensis sp. nov. (Laem Son Hill); G-I. D. prakaiphetensis sp. nov. (Prakaiphet Hill)." figureDoi="10.3897/zse.99.99030.figure3" httpUri="https://binary.pensoft.net/fig/820986" pageId="0" pageNumber="195">3I</figureCitation>
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). The radula of the taenioglossate type (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Radular morphology of Diplommatina. A. Diplommatina laemsonensis sp. nov. (Laem Son Hill); B. Diplommatina bulonensis sp. nov. (Bulon Pai Island); C. Diplommatina prakaiphetensis sp. nov. (Prakaiphet Hill). Colours show the position of the teeth of the radula; blue: central tooth, yellow: the basal plate of the central tooth, green: lateral teeth, pink: inner marginal teeth, and red: outer marginal teeth." figureDoi="10.3897/zse.99.99030.figure5" httpUri="https://binary.pensoft.net/fig/820988" pageId="0" pageNumber="195">5C</figureCitation>
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). The central tooth strong and pointed cusps with a large central cusp, two pairs of developed lateral cusps. The basal plate of the central tooth prominent with two small cusps. The lateral teeth with five cusps; the longest is the third cusp. In the marginal teeth, the inner teeth larger than the outer, with four cusps, and the longest is the second cusp. The outer marginal teeth with three cusps (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Radular morphology of Diplommatina. A. Diplommatina laemsonensis sp. nov. (Laem Son Hill); B. Diplommatina bulonensis sp. nov. (Bulon Pai Island); C. Diplommatina prakaiphetensis sp. nov. (Prakaiphet Hill). Colours show the position of the teeth of the radula; blue: central tooth, yellow: the basal plate of the central tooth, green: lateral teeth, pink: inner marginal teeth, and red: outer marginal teeth." figureDoi="10.3897/zse.99.99030.figure5" httpUri="https://binary.pensoft.net/fig/820988" pageId="0" pageNumber="195">5C</figureCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |