treatments-xml/data/03/FA/6E/03FA6E1C6C5454AAA4E3908EC0E7EBAD.xml

853 lines
71 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document id="DBA3ABE1D0BE0F70C5B77148AEA25A2F" ID-DOI="10.3897/zookeys.1208.117056" ID-ZooBank="ECCF2630-D984-45A8-BF19-DA219F26D495" ID-publisher-id="117056" URI-arpha="FE1DA5D8-62B9-5B21-BF52-9AF3C782709F" URI-zoobank="http://zoobank.org/ECCF2630-D984-45A8-BF19-DA219F26D495" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.treatmentCitations_approvedBy="admin" XM.treatments_approvedBy="admin" article-type="research-article" checkinTime="1722869495237" checkinUser="pensoft" docAuthor="Nahok, Benchawan, Chanlabut, Utain, Tumpeesuwan, Sakboworn &amp; Tumpeesuwan, Chanidaporn" docDate="2024" docId="03FA6E1C6C5454AAA4E3908EC0E7EBAD" docLanguage="en" docName="ZooKeys 1208: 347-362" docOrigin="ZooKeys 1208" docSource="https://zookeys.pensoft.net/article/117056/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Landouria bella Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan 2024, sp. nov." docType="treatment" docUuid="DDCCEAB2-071E-4EB0-83D4-077CF7EE0232" docUuidSource="ZooBank" docVersion="3" dtd-version="3.0" lastPageNumber="362" masterDocId="FE1DA5D862B95B21BF529AF3C782709F" masterDocTitle="Two new species of Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from Thailand, with a key to Thai species" masterLastPageNumber="362" masterPageNumber="347" pageNumber="347" updateTime="1722873878227" updateUser="admin">
<mods:mods id="8373F40779BF55CE4E48850A79D1DE7A" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="B2059B138B0B4D1FD2103D8FCDF18F81">
<mods:title id="7DE291A9F6AA701FEC4E523B7FAE31E5">Two new species of Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from Thailand, with a key to Thai species</mods:title>
</mods:titleInfo>
<mods:name id="0DE9A54053C5201954851B2CBF6AADA3" type="personal">
<mods:role id="9843B0C484CD0D89B69C626F8D57BA25">
<mods:roleTerm id="75286B5ED2A466A8AD094AF505482831">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="6507726823ABE61223D55319752C0D8C">Nahok, Benchawan</mods:namePart>
<mods:nameIdentifier id="C9F4E7252FDD2908CF4BA7BACF77F762" type="ORCID">https://orcid.org/0009-0009-1788-6788</mods:nameIdentifier>
<mods:affiliation id="FC51DBBCD54F6A000D9BD443310411E3">Department of General Science, Faculty of Education, Chaiyaphum Rajabhat University, Muang District, Chaiyaphum, 36000, Thailand</mods:affiliation>
</mods:name>
<mods:name id="1321D67BFABAD9877EDA5B10E026E496" type="personal">
<mods:role id="7083E585BFF654A5DB0FE91B60F1DC49">
<mods:roleTerm id="232F184F168825431248A6D9F8FE5CBE">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="B609B79F3E95CE498EDA9FB043267D5D">Chanlabut, Utain</mods:namePart>
<mods:nameIdentifier id="57163FF10EF7A2738652587A41FDE596" type="ORCID">0000-0001-8275-7434</mods:nameIdentifier>
<mods:affiliation id="576AF56C613F0A16A1B474E6B60576C4">Department of General Science, Faculty of Education, Chaiyaphum Rajabhat University, Muang District, Chaiyaphum, 36000, Thailand</mods:affiliation>
</mods:name>
<mods:name id="E5DDE3D674D3E945EA0ABAC95AF092AD" type="personal">
<mods:role id="8E9D40309E7D8D26D270D999154FD6FD">
<mods:roleTerm id="79EC6CD62425E4546D071BAD089B174A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="9C9F546BB6798BA354928DFB0375388E">Tumpeesuwan, Sakboworn</mods:namePart>
<mods:nameIdentifier id="0D2A6AD994BC65B0989A3A70AE7A521E" type="ORCID">0000-0001-5900-7862</mods:nameIdentifier>
<mods:affiliation id="78546724091708F70662C81E70162184">Department of Biology, Faculty of Science, Mahasarakham University, Kantharawichai District, Maha Sarakham, 44150, Thailand</mods:affiliation>
</mods:name>
<mods:name id="40DAB3FB960F4D777D0533CC062E6FD0" type="personal">
<mods:role id="2DA2A81FDFF5A80E97865ABC6C948042">
<mods:roleTerm id="AA3ED3241791CF0ADBB4C0A2C58A0157">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="85DD0E166D4358B6C91E51279FDA42AA">Tumpeesuwan, Chanidaporn</mods:namePart>
<mods:nameIdentifier id="CCFD8B13DE5FA1CB9780DC6E2444A32C" type="ORCID">0000-0003-2066-1271</mods:nameIdentifier>
<mods:affiliation id="D266D1DA808B4F0B3068B57A6A3D449A">Department of Biology, Faculty of Science, Mahasarakham University, Kantharawichai District, Maha Sarakham, 44150, Thailand</mods:affiliation>
</mods:name>
<mods:typeOfResource id="BC4E72DE49542A7AF3F2286B724E124D">text</mods:typeOfResource>
<mods:relatedItem id="F2A23D6C3255F1F624E575F10A8512B5" type="host">
<mods:titleInfo id="9BE6F0E28486EA1C6C89A0682FCDCC1B">
<mods:title id="EE20B40E07B4ADC4C3019E7F55193E8C">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="79AE1930CD1DBF7E2D05765957B995FF">
<mods:date id="BC1818404EB5D7D32C425B93CE4D4111">2024</mods:date>
<mods:detail id="39333463A69AC84873BB2995CE1E89F3" type="pubDate">
<mods:number id="111BF4B9B4B1104C6DF97B1538DA2864">2024-08-05</mods:number>
</mods:detail>
<mods:detail id="89E5F3F22279EEA566E22EC9230284CF" type="volume">
<mods:number id="4C130D4D5785CEF7B779608FE9748DEE">1208</mods:number>
</mods:detail>
<mods:extent id="211798F39B39707F25F1BDA21AF1137A" unit="page">
<mods:start id="DB863CCED2AC081FC8CEA195708591DA">347</mods:start>
<mods:end id="B0BD925183CEED4C1FF7992BAE283BDE">362</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="B416C4D80940168CC2FCBF556B0ED8D7">journal article</mods:classification>
<mods:identifier id="53F6577B2C6CC779F7F8E7D86F6ABEC0" type="DOI">10.3897/zookeys.1208.117056</mods:identifier>
<mods:identifier id="B14D749CADDA5794C2C1B26A8BACC934" type="ZooBank">ECCF2630-D984-45A8-BF19-DA219F26D495</mods:identifier>
</mods:mods>
<treatment id="03FA6E1C6C5454AAA4E3908EC0E7EBAD" ID-arpha="03FA6E1C-6C54-54AA-A4E3-908EC0E7EBAD" ID-zoobank="https://zoobank.org/DDCCEAB2-071E-4EB0-83D4-077CF7EE0232" LSID="urn:lsid:zoobank.org:act:DDCCEAB2-071E-4EB0-83D4-077CF7EE0232" LSID-ZBK="urn:lsid:zoobank.org:act:DDCCEAB2-071E-4EB0-83D4-077CF7EE0232" httpUri="http://treatment.plazi.org/id/03FA6E1C6C5454AAA4E3908EC0E7EBAD">
<subSubSection id="CCF608073BE8415225217DC6E10A710A" type="nomenclature">
<paragraph id="2D6139E96C23C3F322A7B26BC1653208">
<taxonomicName id="97553E32BD5E87337D5E497AD5078854" authority="Nahok &amp; S. Tumpeesuwan" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">
<emphasis id="1A4CC9CBBAE46440F709957CBE2C869C" italics="true">Landouria bella</emphasis>
Nahok &amp; S. Tumpeesuwan
</taxonomicName>
<taxonomicNameLabel id="7D03EB57892CE99E1ED68B3072262D84" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="11C4B8D0DB4A7E88760A590F641F3A3B" type="description">
<paragraph id="AB27A344B17424F0990AA61129F420BF">
<figureCitation id="82BD69CD8754870BF876186E6657281C" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">Figs 2</figureCitation>
,
<figureCitation id="1D44C5D69A7DB045BF4795D3B0B4CB18" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3</figureCitation>
,
<figureCitation id="C2B85AB372B1F907B652CDB4EEC5068A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4</figureCitation>
,
<tableCitation id="B59C8A07B222F9B39FA1CC4C89E13F8F" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of shells, genital systems and radulae of Thai Landouria species. Reference: 1 = Tumpeesuwan and Tumpeesuwan (2019); 2 = Nahok et al. (2021); 3 = this study; 4 = Schileyko (2011) (question mark = no data)." httpUri="http://table.plazi.org/id/2F840F1BAB846FE53F97C0112811F9B7" tableUuid="2F840F1BAB846FE53F97C0112811F9B7">Table 1</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="07E80F6C32A6364DC57E310DB593A7DB" type="reference_group">
<paragraph id="C2BFF5D4F6F5998849CA61419231F9B4">
<treatmentCitationGroup id="C09C5A42FC05CF318E72F63C772D1B80">
<taxonomicName id="E41B05C34BEF1C27ABBDF516A3496287" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="29A94E2542693A658F26E5246DC08D47" italics="true">Landouria</emphasis>
<comment id="478E5CC8972438609BBB6EA23106E9BD">
sp. 16 —
<treatmentCitation id="31108E9958FADE0D46EB084C2BB4D6D8" author="Nahok B" page="61" year="2020">
<bibRefCitation id="96D3F520FE94B42B57402D11672B6F5A" author="Nahok B" firstAuthor="Nahok" page="61" refId="B15" refString="Nahok B (2020) Systematics and Taxonomy of Land Snails Genera Aegista, Thaitropis, Landouria, and Pseudobuliminus in Thailand. Unpublished PhD Thesis, Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham." year="2020">Nahok 2020: 61</bibRefCitation>
</treatmentCitation>
; fig. 24 G, I, table 3
</comment>
</taxonomicName>
</treatmentCitationGroup>
</paragraph>
<paragraph id="51AC30D7E9063260B2153EF72CD10B67">
<treatmentCitationGroup id="A2AE507BBE854583F27B9544D92A1534">
<treatmentCitation id="5A4620341813F8A62564839E595AD1D4">
<taxonomicName id="6B2F38C0C6AE0BCE5CE6D82F0854D5B9" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="681D891DB6457EDF188AED6366CF856D" italics="true">Landouria</emphasis>
sp.
</taxonomicName>
<bibRefCitation id="53D8C0806F645CB17D33D533E1F45945" DOI="10.14456/lsej.2022.20" author="Chanlabut and Nahok" firstAuthor="Chanlabut" issue="1" journalOrPublisher="Life Sciences and Environment Journal" pagination="259-270" refId="B2" refString="Chanlabut U, Nahok B (2022) Species diversity and abundance of land snails in Khao Bin limestone hills, Ratchaburi Province. Life Sciences and Environment Journal 23 (1): 259270. https://doi.org/10.14456/lsej.2022.20" title="Species diversity and abundance of land snails in Khao Bin limestone hills, Ratchaburi Province." volume="23" year="2022">Chanlabut and Nahok 2022</bibRefCitation>
</treatmentCitation>
: figs 2 D, 3 D, table 1
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EGJAE" type="type locality">
<paragraph id="C394A3D464A31E40F2FAFC4895F1B4A4">
<heading id="D4285345C75238F25F83AAE457EC9A87" reason="title">Type locality.</heading>
</paragraph>
<paragraph id="CEC7657A7035E985296C11C0A5EBC40F">
<collectingCountry id="022E02092CA398323077E718D84320BE" name="Thailand">Thailand</collectingCountry>
,
<collectingRegion id="1F2F16BE00C08B4762094953284052FA" country="Thailand" name="Ratchaburi">Ratchaburi Province</collectingRegion>
, Mueang
<collectingRegion id="28B99B9DE979677316AAE070CAFD095F" country="Thailand" name="Ratchaburi">Ratchaburi District</collectingRegion>
, Khao Bin Cave,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EPJAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[99.665714,13.593767]}">
<geoCoordinate id="85523E0987B56BDB8008CCE5FBB8838E" degrees="13" direction="north" minutes="35" orientation="latitude" precision="1" seconds="37.56" value="13.593766">13 ° 35 ' 37.56 &quot; N</geoCoordinate>
,
<geoCoordinate id="BCCF4EBCE73FF2D8D293045F5B23105F" degrees="99" direction="east" minutes="39" orientation="longitude" precision="1" seconds="56.57" value="99.66572">99 ° 39 ' 56.57 &quot; E</geoCoordinate>
</named-content>
, Isolated limestone hills, alt.
<specimenCount id="F685186684AD01B016C059837B88DB5D" count="116" type="generic">
<quantity id="66D3F83A707BACEDC89CF1B264F44778" metricMagnitude="2" metricUnit="m" metricValue="1.16" unit="m" value="116.0">116 m</quantity>
.
</specimenCount>
<date id="11C3E1416BEA54C16FA26E096E874E2C" value="2018-07-07">7 July 2018</date>
. Benchawan Nahok and Utain Chanlabut leg.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EUJAE" type="Type specimens">
<paragraph id="C677A2A8A7AB43A331FF517F7250A2BB">
<heading id="52F36658813E1F84932D387F4E442437" reason="title">Type specimens.</heading>
</paragraph>
<paragraph id="B4BC2F20BBE7094053606838A6AB000A">
<materialsCitation id="120E446A77B53C4F002CEF9E615BACF7" collectionCode="NHMSU, UW" specimenCode="NHMSU-00056" specimenCount="1" typeStatus="holotype">
<emphasis id="656FEF0D0878FC7D6F4024B4F9F23280" bold="true" italics="true">
<typeStatus id="5A838B0C3B36537F9CD32E36D753109A" type="holotype">Holotype</typeStatus>
</emphasis>
: •
<specimenCode id="1571604E19210BC2ED5DE1FB1A2D0788">
<named-content id="8F00C46DBC09F8DE6F36523D77D8D0DB" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/mahasarakham-university" xlink_title="Natural History Museum, Mahasarakham University">NHMSU</named-content>
-00056
</specimenCode>
(Fig.
<figureCitation id="E5D97CE9EBE7662D77A5B921129C9C2E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">2 A</figureCitation>
),
<specimenCount id="3BA9B25AAE7E0213C60D8B5FCB2F76BB">1 shell</specimenCount>
,
<abbrev id="ABBRID0EHKAE" xlink_title="shell height">SH</abbrev>
= 8.0 mm,
<abbrev id="ABBRID0ELKAE" xlink_title="shell width">SW</abbrev>
=
<quantity id="F5F3CC88A417410EC0A470C44E10A124" metricMagnitude="-2" metricUnit="m" metricValue="1.1099999999999999" unit="mm" value="11.1">11.1 mm</quantity>
,
<abbrev id="ABBRID0EPKAE" xlink_title="aperture height">AH</abbrev>
=
<quantity id="C63B9CAC86350A1772EA11C472EDA31D" metricMagnitude="-3" metricUnit="m" metricValue="4.3" unit="mm" value="4.3">4.3 mm</quantity>
,
<abbrev id="ABBRID0ETKAE" xlink_title="aperture width">AW</abbrev>
=
<quantity id="B304430A59A835B2385B5DA42084F429" metricMagnitude="-3" metricUnit="m" metricValue="4.3" unit="mm" value="4.3">4.3 mm</quantity>
,
<abbrev id="ABBRID0EXKAE" xlink_title="umbilicus width">UW</abbrev>
=
<quantity id="F1FAA0DEDB43EE0CC6E42A36CDCCEBE8" metricMagnitude="-3" metricUnit="m" metricValue="3.3" unit="mm" value="3.3">3.3 mm</quantity>
</materialsCitation>
.
<materialsCitation id="92C3FEB29A6F7C198AF2E0D307551331" collectionCode="NHMSU" location="Figs" specimenCode="NHMSU-00057" specimenCount="27" typeStatus="paratype">
<emphasis id="CD1A29B802F42ACF7F0E1CC2B8978574" bold="true" italics="true">
<typeStatus id="DDFA20D467683DA9730F64436C9AA292" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCode id="703C81F504476E9438D9C947D396C8AE">
<named-content id="B89D55775E4974A4AFB9FE9F74B7C6AB" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/mahasarakham-university" xlink_title="Natural History Museum, Mahasarakham University">NHMSU</named-content>
-00057
</specimenCode>
(Figs
<figureCitation id="55A1A89BF250AFE02456FAA57DE523E2" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">2 B</figureCitation>
,
<figureCitation id="DC42B1C0295098FABACC5D230FD84BB5" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3</figureCitation>
,
<figureCitation id="BF6EF68D39AE7F510359B89B38A07D3E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4</figureCitation>
)
<specimenCount id="18F6EC50CB1149505BFDBEC4D90A5C04">27 shells</specimenCount>
</materialsCitation>
, •
<materialsCitation id="3CDCC5BA53A0AB55DE168817E2B7FF13" collectionCode="ZMCRU" specimenCode="ZMCRU-0001" specimenCount="11">
<specimenCode id="6EE52B33C7B31FFBF6CDB5D812E381E8">
<abbrev id="ABBRID0EOLAE" xlink_title="oological Research Collection of Muban Chombueng Rajabhat University">ZMCRU</abbrev>
-0001
</specimenCode>
<specimenCount id="B592BF3B76DFD8884BC9D1C114F1B058">11 shells</specimenCount>
</materialsCitation>
, •
<materialsCitation id="7970A9A78705E39D63040A70964E93DB" collectionCode="ZCPRU" specimenCode="ZCPRU-0041" specimenCount="65">
<specimenCode id="A0B3053AE2D2486F326AF852CC5E9ED7">
<abbrev id="ABBRID0ESLAE" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
-0041
</specimenCode>
<specimenCount id="780F3A33397F247AE7C0DF59BABB1203">65 shells</specimenCount>
</materialsCitation>
, •
<materialsCitation id="5127158D8A48E75F8C95D67903CD9486" collectingDate="2020-06-27" collectionCode="ZCPRU" specimenCode="ZCPRU-0042" specimenCount="5" typeStatus="paratype">
<specimenCode id="D18EF5BFEE16D01A1135E16F471DB7CF">
<abbrev id="ABBRID0EWLAE" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
-0042
</specimenCode>
<specimenCount id="D3C2E503C25B7C286AF192B21E71CE6F">5 living specimens</specimenCount>
preserved in ethanol, same leg. and locality as holotype,
<date id="A7185170BB525B03EE3B8174779FB4C5" value="2020-06-27">
<collectingDate id="10A4CBA35435551FBE679A54DF0A0064" value="2020-06-27">27 June 2020</collectingDate>
</date>
</materialsCitation>
.
<emphasis id="0334E19BB4C85204F7AD6BD64AD98AEA" bold="true" italics="true">
<collectorName id="E284C4FE48427E658E6E5CB2A9AA5EFC">Other</collectorName>
locality
</emphasis>
: •
<materialsCitation id="9FA7D209307CCAA2833D3AA4B15F7593" collectionCode="NHMSU" location="Fig." specimenCode="NHMSU-00058" specimenCount="4" typeStatus="paratype">
<specimenCode id="9C5946B485530990EA39BAAE1C44A84D">
<named-content id="6CD919AEC6E70B6FB6A4C342212259AF" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/mahasarakham-university" xlink_title="Natural History Museum, Mahasarakham University">NHMSU</named-content>
-00058
</specimenCode>
(Fig.
<figureCitation id="0E2BB5C8FB08DCB1C22A239739C739C8" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">2 C, D</figureCitation>
)
<specimenCount id="D74D342BA68EEEB670FCEEB4FBF09D5A">4 shells</specimenCount>
</materialsCitation>
, •
<materialsCitation id="2399DA25B3CEC22B838C81EC91F7AC86" collectedFrom="Isolated limestone hills" collectingDate="2017-08-13" collectingDateMax="2018-07-07" collectingDateMin="2017-08-13" collectionCode="ZCPRU" collectorName="Benchawan Nahok &amp; Utain Chanlabut" country="Thailand" elevation="42" latitude="12.8389635" location="Khao Nang Panthurat Forest Park" longLatPrecision="1" longitude="99.951904" municipality="Cha-am District" specimenCode="ZCPRU-0043" specimenCount="49" stateProvince="Phetchaburi Province" typeStatus="paratype">
<specimenCode id="0CCE3A6D75C524257367AFFAE87C5702">
<abbrev id="ABBRID0EFMAE" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
-0043
</specimenCode>
<specimenCount id="97D0204F6D1C6736DAA57F43537EAF45">7 shells</specimenCount>
.
<collectingCountry id="0883D542D88B176DDD80B2187D9525A2" name="Thailand">Thailand</collectingCountry>
,
<collectingRegion id="9966456ED08887B1D1C8CC1105F3A3F3" country="Thailand" name="Phetchaburi">Phetchaburi Province</collectingRegion>
,
<collectingMunicipality id="6EE329BCFE309E9ED36E9470B12B249E">Cha-am District</collectingMunicipality>
,
<location id="5F3845CCA1EFBDBB56F199B2950AAD92" LSID="urn:lsid:plazi:treatment:03FA6E1C6C5454AAA4E3908EC0E7EBAD:5F3845CCA1EFBDBB56F199B2950AAD92" country="Thailand" latitude="12.8389635" longLatPrecision="1" longitude="99.951904" municipality="Cha-am District" name="Khao Nang Panthurat Forest Park" stateProvince="Phetchaburi Province">Khao Nang Panthurat Forest Park</location>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EMMAE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[99.951911,12.838964]}">
<geoCoordinate id="911FF1D51583BDC5753C0561DA342382" degrees="12" direction="north" minutes="50" orientation="latitude" precision="1" seconds="20.27" value="12.8389635">12 ° 50 ' 20.27 &quot; N</geoCoordinate>
,
<geoCoordinate id="5B60B0A7CE90ED2FC7CD16C4FE2BDF96" degrees="99" direction="east" minutes="57" orientation="longitude" precision="1" seconds="6.88" value="99.951904">99 ° 57 ' 6.88 &quot; E</geoCoordinate>
</named-content>
,
<collectedFrom id="E1279065C14EEFF3ED71DE9E48B5664E">Isolated limestone hills</collectedFrom>
, alt.
<specimenCount id="1A4751D314092EADA0013798E5952B33" count="42" type="generic">
<quantity id="882A35B9BD727EAC67F730DEF344763C" metricMagnitude="1" metricUnit="m" metricValue="4.2" unit="m" value="42.0">42 m</quantity>
.
</specimenCount>
<date id="064999821FF4B337D03A28F285CE77E2" value="2017-08-13">
<collectingDate id="DB288C4B3A81DAB1AD78A791C43E43F7" value="2017-08-13">13 Aug. 2017</collectingDate>
</date>
and
<date id="7EA5C697DB205E4B581B45B1E6B30525" value="2018-07-07">
<collectingDate id="5C50571551EECEDD50E297031565E943" value="2018-07-07">7 July 2018</collectingDate>
</date>
.
<collectorName id="0752EDB9B979B95D02490844403B56AB">Benchawan Nahok</collectorName>
and
<collectorName id="BC1DB22DE294D424C0055811BDC01362">Utain Chanlabut</collectorName>
leg.
</materialsCitation>
</paragraph>
<caption id="AC6CFD2E453FCE2954FFD516A9B55FE8" ID-DOI="10.3897/zookeys.1208.117056.figure2" ID-arpha="BD554122-7BAC-57A4-B6A1-F58B052B6129" httpUri="https://binary.pensoft.net/fig/1108222" startId="F2">
<paragraph id="9561B6BC5484F7FAE27238AE6FBDEF45">
<label id="E2DADE4E8C8C2AA7A33E1F51B1842363">Figure 2.</label>
</paragraph>
<paragraph id="771EE832B0993C85F397B80BA0812790">
<taxonomicName id="94F3ED2E9EEB5DCEE8B94591419EF32D" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">
<emphasis id="F7E21B8E82DFDA501E862AEECA09044E" italics="true">Landouria bella</emphasis>
</taxonomicName>
<taxonomicNameLabel id="DB88518A5E7A95FD7A1AFE2E74802EEB" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="1B4145B8D12CD5360E1D292CF7C6E161" bold="true">A</emphasis>
holotype (
<specimenCode id="2AB33A8A1879C6BD44FB44F05F5B8006">
<named-content id="3530FBEE15571FBA6BE46BCADAD7E536" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/mahasarakham-university" xlink_title="Natural History Museum, Mahasarakham University">NHMSU</named-content>
-00056
</specimenCode>
)
<emphasis id="E9CC10BF591FDA97465C24F55B3F5D39" bold="true">B</emphasis>
paratype (
<specimenCode id="CADDB48AE5CECAC79B6D9CBC6776B6C8">
<abbrev id="ABBRID0EMNAE" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
-0042
</specimenCode>
)
<emphasis id="FE1532966BED8F356761F01EB7CAFE3E" bold="true">C, D</emphasis>
empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (
<specimenCode id="26D1A7E74AFD35C0240B4BD1B585C20C">
<named-content id="198B769204EF9440711F6B76B324DD6F" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/mahasarakham-university" xlink_title="Natural History Museum, Mahasarakham University">NHMSU</named-content>
-00058
</specimenCode>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0E2NAE" type="diagnosis">
<paragraph id="F891D97E037413132F93C205F1F54381">
<heading id="201A37D892F60B8B0B05FADB91489E9F" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="E4C178A93D756F481271D5548A74DA35">Shell small, depressed-globose. Body whorl rounded; aperture slightly oval, oblique, with thick, slightly reflected lip. Thin, small lamella present on inner columellar side of aperture. Flagellum large, cylindrical, with bent tip; penis short, small, cylindrical; vagina and free oviduct short, swollen. Basal part of gametolytic sac swollen.</paragraph>
<caption id="2F840F1BAB846FE53F97C0112811F9B7" ID-Table-UUID="2F840F1BAB846FE53F97C0112811F9B7" httpUri="http://table.plazi.org/id/2F840F1BAB846FE53F97C0112811F9B7" startId="T1">
<paragraph id="0E15E9EF8F9C35421470A73F04134F1E">
<label id="165D60CB426676A3A0E5E9E7DAE943B5">Table 1.</label>
</paragraph>
<paragraph id="762AA19C6CAF7F0E5A3E36AEC1A47696">
Comparison of shells, genital systems and radulae of Thai
<taxonomicName id="DDAD936596FCEB73DBF2C7B766E15A03" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="80ED04227782F4CB1B592535A1B28091" italics="true">Landouria</emphasis>
species.
</taxonomicName>
Reference: 1 =
<bibRefCitation id="871D2A35E1C925009335BEBEB77CF9E5" DOI="10.26107/rbz-2019-0021" author="Tumpeesuwan C &amp; Tumpeesuwan S" firstAuthor="Tumpeesuwan" journalOrPublisher="The Raffles Bulletin of Zoology" pagination="298-305" refId="B36" refString="Tumpeesuwan C, Tumpeesuwan S (2019) First verified record of the genus Landouria Godwin- Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species. The Raffles Bulletin of Zoology 67: 298305. https://doi.org/10.26107/rbz-2019-0021" title="First verified record of the genus Landouria Godwin- Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species." volume="67" year="2019">Tumpeesuwan and Tumpeesuwan (2019)</bibRefCitation>
; 2 =
<bibRefCitation id="B757E7463DF057753C8FDA832FD29F8B" DOI="10.5852/ejt.2021.767.1495" author="Nahok B &amp; Tumpeesuwan S &amp; Tumpeesuwan C" etAl="et al." firstAuthor="Nahok" journalOrPublisher="European Journal of Taxonomy" pagination="142-166" refId="B16" refString="Nahok B, Tumpeesuwan S, Tumpeesuwan C (2021) Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902). European Journal of Taxonomy 767: 142166. https://doi.org/10.5852/ejt.2021.767.1495" title="Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)." volume="767" year="2021">Nahok et al. (2021)</bibRefCitation>
; 3 = this study; 4 =
<bibRefCitation id="CFCE3B430951FB4C744DD7DDFDB64D67" author="Schileyko AA" firstAuthor="Schileyko" journalOrPublisher="Ruthenica" pagination="1-68" refId="B31" refString="Schileyko AA (2011) Check-list of land pulmonate molluscs of Vietnam (Gastropoda: Stylommatophora). Ruthenica 21: 168." title="Check-list of land pulmonate molluscs of Vietnam (Gastropoda: Stylommatophora)." volume="21" year="2011">Schileyko (2011)</bibRefCitation>
(question mark = no data).
</paragraph>
</caption>
<paragraph id="0CE788F29C9F9E815AE4B81798882981">
<table id="TID0EVMBG" rules="all">
<tbody id="BF087DD866FC59562CB4367C9E454A09">
<tr id="7E27916F5DCC9618322FFC3A63D35C29">
<th id="1584A3F702BA2954559BC2A1D353D236" colspan="1" rowspan="1">Characters</th>
<emphasis id="BDF9D65394BC625130CC64EEDDEFB34B" italics="true">
<th id="9C401371F8F57FF0A420C2C1113D5B23" colspan="1" rowspan="1">
<taxonomicName id="B7DB765237CD27ED6AA10005B95BB726" authorityName="Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2019" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="strobiloides">L. strobiloides</taxonomicName>
</th>
<th id="5FDC78B13C5C83C2B1BC0ACDE568EAC6" colspan="1" rowspan="1">
<taxonomicName id="6961082C54E87E1CAE640F6A00008C96" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="circinata">L. circinata</taxonomicName>
</th>
<th id="3C85A4B9B4A2B9BC81130C4129ABA093" colspan="1" rowspan="1">
<taxonomicName id="DC09940301DCE03943B076E43A0E5B01" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="tuberculata">L. tuberculata</taxonomicName>
</th>
<th id="30870500125AC6598532871EA8551F22" colspan="1" rowspan="1">
<taxonomicName id="2E3B1D55F85ACCB087D825845145F6C5" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="trochomorphoides">L. trochomorphoides</taxonomicName>
</th>
<th id="166E12936E7F10CD22E76B998D9CF7CC" colspan="1" rowspan="1">
<taxonomicName id="1B4D1B1A6CD4E74B961C9882EB103B6F" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="chloritoides">L. chloritoides</taxonomicName>
</th>
<th id="4A999B6042261476F9DC2F35A806E3B4" colspan="1" rowspan="1">
<taxonomicName id="7A30A566B30C8C8BA65B366E67287DF0" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="elegans">L. elegans</taxonomicName>
</th>
<th id="E493647F6E170BF738B41489DE22E8E6" colspan="1" rowspan="1">
<taxonomicName id="D82F6F7D3D2FB089A75B46A301BA435C" baseAuthorityName="Mollendorff" baseAuthorityYear="1902" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="diplogramma">L. diplogramma</taxonomicName>
</th>
<th id="55A73B6BB65F218D0EC8D171FB84233C" colspan="1" rowspan="1">
<taxonomicName id="B11A4D4AEF4E93C7D1726E455978A854" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">L. bella</taxonomicName>
<taxonomicNameLabel id="13CDEE4EA0A4A3404361345DA36E4A2E" rank="species">sp. nov.</taxonomicNameLabel>
</th>
</emphasis>
<th id="B0784230E62CAD7B2EC6406A1CF84009" colspan="1" rowspan="1">
<taxonomicName id="A5DA364B7772E696C841394F77C3B839" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="monodon" status="sp. nov.">
<emphasis id="334F9123CDB4498F7F7B1B7C0B239B81" italics="true">L. monodon</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E80D5AF833903FC28D497FF0783EAA1E" rank="species">sp. nov.</taxonomicNameLabel>
</th>
<taxonomicName id="44D72DA3F2A13A077022009AC27CC804" authority="Shell" authorityName="Shell" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="ptychostyla">
<th id="FB08333705CC1C949100783FF956CCA9" colspan="1" rowspan="1">
<emphasis id="F37E73C10E53180141ED86738CFCA84B" italics="true">L. ptychostyla</emphasis>
</th>
<tr id="827E6EC8DC073A2A19F6144AE3BA2D62">
<td id="AF730A691402A550A8E2BF9E0429F3D4" colspan="11" rowspan="1">
<emphasis id="D82585FC5F0C83ECA3AFA6A14AA5517B" bold="true">Shell</emphasis>
:
</td>
</tr>
</taxonomicName>
</tr>
<tr id="518AA4164F9272A742DF8B01600B58D7">
<td id="80A87AF3C6F953E7B07D87079BB8A676" colspan="1" rowspan="1">Shell shape</td>
<td id="579B906AAA511C1748D9BC6C7EA025D6" colspan="1" rowspan="1">Conical-lenticular</td>
<td id="985D3E98A8EEFC6E61BE8912203DD36A" colspan="1" rowspan="1">Conical-lenticular</td>
<td id="01C17299A0756828E023F20F6B1143FD" colspan="1" rowspan="1">Slightly convex</td>
<td id="CDF078F07663CC91889495DC68CA9053" colspan="1" rowspan="1">Subconvex</td>
<td id="D8EAC6660E8639498308913AFCB2B072" colspan="1" rowspan="1">Depressed</td>
<td id="BB5300E8C7D234A8C560B81E7920AE5C" colspan="1" rowspan="1">Conical</td>
<td id="96CD5C8FC69C661AC0518EA63A21574A" colspan="1" rowspan="1">Sub-globose</td>
<td id="27AD40FB8871E030B479E129F74013BE" colspan="1" rowspan="1">Globose</td>
<td id="3B073C2E00B8093A128541A494CA9102" colspan="1" rowspan="1">Depressed- conical</td>
<td id="FB5D8F2D270B801DE349CAB476C17816" colspan="1" rowspan="1">Depressed-conical</td>
</tr>
<tr id="C76DB67D759FFD5C04A51A5640618242">
<td id="F3B803E6E9AA1D56A0DC27D7DFFD9039" colspan="1" rowspan="1">Number of whorls</td>
<td id="EA78D10B45C7E3125AC8DBBC4447010F" colspan="1" rowspan="1">5 ½</td>
<td id="10B0CDB2BA20B4E8CDD9CCEE7AF67D18" colspan="1" rowspan="1">6</td>
<td id="797AE4B27A4B6B27A38DFEDC0E062628" colspan="1" rowspan="1">6 ½</td>
<td id="CE7E87E11184F2DC4596B99E14921C89" colspan="1" rowspan="1">6</td>
<td id="7E5ACD55526D850B7D614392D349BB5C" colspan="1" rowspan="1">6 ½</td>
<td id="9254ED4DF691D28A13656D2BE54C49A8" colspan="1" rowspan="1">6</td>
<td id="0BF77E44640473EB536BA818DE6BA07B" colspan="1" rowspan="1">5 ½</td>
<td id="81EB8E283FC8D4D8CE21A0A379C33C83" colspan="1" rowspan="1">6</td>
<td id="B9973F8F7FB7AC9AD7B288F8CDD72BC4" colspan="1" rowspan="1">5 ¾</td>
<td id="1764F5D735EFE727F532C44CF9C4241D" colspan="1" rowspan="1">6</td>
</tr>
<tr id="DA15671EDA88C305B44372CD9B2868B2">
<td id="F185445617EBEC082DA41FFBA0F0657A" colspan="1" rowspan="1">Peripheral band</td>
<td id="13F28E3D3FEC4D299BDC8A7787B0999E" colspan="1" rowspan="1">Dark brown</td>
<td id="8F08899B6A40683B115D0F857878AD20" colspan="1" rowspan="1">Pale brown</td>
<td id="9F9BC8D2695FBC4D95CAF4DA469ADE99" colspan="1" rowspan="1">Absent</td>
<td id="845240A4C965527DE905824B06B1792B" colspan="1" rowspan="1">Brown</td>
<td id="4E962DA5DD8CAD672A54B1D4A80C59AD" colspan="1" rowspan="1">Absent</td>
<td id="ACED96B73BB6452F3DE245834A7CA862" colspan="1" rowspan="1">Dark brown</td>
<td id="86828C011ADB3D1B92976DE74335B415" colspan="1" rowspan="1">Pale brown</td>
<td id="18C910817C7C2A030A12FF406DD736E5" colspan="1" rowspan="1">Absent</td>
<td id="55135026F1707E635EE678F300CD1F1C" colspan="1" rowspan="1">Absent</td>
<td id="F3F9CAA5BD14208ACBF54DFB4E5879B6" colspan="1" rowspan="1">Absent</td>
</tr>
<tr id="5CDFD7621234F85CBA0D3979B2A6798A">
<td id="09EFC3501198418AD7B14B59F73F0116" colspan="1" rowspan="1">Periphery keel</td>
<td id="867822438F0F9E6A6E4CBE8693ECF06A" colspan="1" rowspan="1">Sharp</td>
<td id="BFEC9233193BB168B36EFF3CE1BED7C8" colspan="1" rowspan="1">Sharp</td>
<td id="E6F64DD6BBF32622DB47888A177E7530" colspan="1" rowspan="1">Moderate</td>
<td id="25C5782840AE7378ECD7EDD923A98B25" colspan="1" rowspan="1">Sharp</td>
<td id="28B731CD43004A13FCF6C711CE01A395" colspan="1" rowspan="1">Weak</td>
<td id="02FA47C8E0B5386383E99E9DA27C90FC" colspan="1" rowspan="1">Sharp</td>
<td id="830B10407332565F5736F2B6A4529252" colspan="1" rowspan="1">Very weak</td>
<td id="DB851084E8408B8B690106F7EA142765" colspan="1" rowspan="1">Absent</td>
<td id="7552DDE60C47C17509469F8C247FBB3A" colspan="1" rowspan="1">Slightly</td>
<td id="5CAF0A2382C504D4C248A28F2F3F57C8" colspan="1" rowspan="1">Moderate</td>
</tr>
<tr id="865003E40A0396482333BBBF0A259865">
<td id="16845723AD868D53CCDD54ADC458CB40" colspan="1" rowspan="1">Scale sculpture</td>
<td id="9DA4A451FC197E3E45E79F4AB8A997DA" colspan="1" rowspan="1">Absent</td>
<td id="2BE42B8315A1A76ED9520B2E31CF4A47" colspan="1" rowspan="1">Absent</td>
<td id="FB34C7B6E611C178885C00C02B297ACD" colspan="1" rowspan="1">Tubercle</td>
<td id="EA84DD5E1E3448EF309805034319B1D2" colspan="1" rowspan="1">Scaly</td>
<td id="C22F25C0A6D0E543E4C7240FE162DEF5" colspan="1" rowspan="1">Absent</td>
<td id="028AAAE0280C6D4FE5C5AD99C80E9156" colspan="1" rowspan="1">Absent</td>
<td id="8DDA90B7756185259C8CC04DF1C4D450" colspan="1" rowspan="1">Absent</td>
<td id="C1BAEF635BBE4B1598128700D42142C4" colspan="1" rowspan="1">Absent</td>
<td id="575A09A215A92C2E8D6F8F190089E1C4" colspan="1" rowspan="1">Absent</td>
<td id="FE0B6FF072ADF284CDA671FF7C108D6A" colspan="1" rowspan="1">Absent</td>
</tr>
<tr id="6BB3C4F0FC4CBFFA392B7F7B977C53A4">
<td id="159EFC6795C4AF7960D21AD249316BF5" colspan="1" rowspan="1">
Lamella
<abbrev id="ABBRID0EQZAE" xlink_title="atrium">at</abbrev>
inner aperture
</td>
<td id="DEB45DC722C073F9DAFF355666F8781E" colspan="1" rowspan="1">Absent</td>
<td id="E79ECC57B0B2D4D85E455595589F8D31" colspan="1" rowspan="1">Absent</td>
<td id="3CC188D4ECB73C5B3CECC8E3A058AED0" colspan="1" rowspan="1">Absent</td>
<td id="D1AB4618DAE5CBFFE04A43CFFF8BD6D9" colspan="1" rowspan="1">Absent</td>
<td id="3675963D62BD4A2C05A043561BB538BC" colspan="1" rowspan="1">Absent</td>
<td id="7EF43DF722895C9D0CDAC60E86F42DC9" colspan="1" rowspan="1">Absent</td>
<td id="67267422CA0A4F2FA0F388486F4967F8" colspan="1" rowspan="1">Absent</td>
<td id="C1EAEDF530742FCBE65AA69B5D519075" colspan="1" rowspan="1">Present (thin)</td>
<td id="0B8F8667D27B89CBD7437B6506630579" colspan="1" rowspan="1">Present (sharp)</td>
<td id="218C09DBFDFABEB44F027C7D3E463B6B" colspan="1" rowspan="1">Present (thin)</td>
</tr>
<tr id="58605511BDE7A96CCE8DDB8ED3BC904A">
<td id="CEA8A0AE54A77CB91B2C8B8A24FC3985" colspan="11" rowspan="1">
<emphasis id="820C6266A2AAED4ABB3C689E5DD29C86" bold="true">Genital system</emphasis>
:
</td>
</tr>
<tr id="5BC11388C9D2D176CDBFB63618091D5F">
<td id="1220E24B93576D3514649BF986C49A2C" colspan="1" rowspan="1">Penis</td>
<td id="9F26F163EC3242F6A54FCE3186966E0D" colspan="1" rowspan="1">Short, slightly stout</td>
<td id="E6DC4060CD275D77C6704138D38A4B03" colspan="1" rowspan="1">Long cylindrical</td>
<td id="113A4BA429BBAEFC1D9228657DBCF2A6" colspan="1" rowspan="1">Swollen</td>
<td id="98ED983DBA5D9FDA4EE887303E1F1C50" colspan="1" rowspan="1">Long slender</td>
<td id="D10294D3092FFCD224B1456C6A517E23" colspan="1" rowspan="1">Very large and stout</td>
<td id="155FF47C9D5538BDCC7A74014C3ABE3D" colspan="1" rowspan="1">Long cylindrical</td>
<td id="65B5505E4705CE5179336785D3C12F68" colspan="1" rowspan="1">Swollen</td>
<td id="BFB9DB58772F9E973E47EF162B37D368" colspan="1" rowspan="1">Small cylindrical</td>
<td id="868BD850C580BD3921EAACAC2DFF3F9D" colspan="1" rowspan="1">Long cylindrical</td>
<td id="CF7821A696D2745B1EB8A3E097AD1EE9" colspan="1" rowspan="1">Long fusiform</td>
</tr>
<tr id="32FFAE97B64FAD2D5D76152F5482C37C">
<td id="53B944677FE506824ED8CAEFC682F30C" colspan="1" rowspan="1">Verge</td>
<td id="B743D3DD45CF3FFBB702CB93AB9E47E8" colspan="1" rowspan="1">?</td>
<td id="B28B0B30C749DD19B356B8A2358BC724" colspan="1" rowspan="1">Present</td>
<td id="82E39C3EDA1E1A892857ED2B6379EAF8" colspan="1" rowspan="1">Present</td>
<td id="AF44E0BD37527CD9A9A190789FDA1469" colspan="1" rowspan="1">Absent</td>
<td id="280B8BD0C70C58355ED1B10A6AF8FAD1" colspan="1" rowspan="1">Present</td>
<td id="619C2C0EEF1136530CB15939E712335C" colspan="1" rowspan="1">Absent</td>
<td id="9D75EE528DCBABF0433C416DFF2D0E29" colspan="1" rowspan="1">Present</td>
<td id="B08AC166151E75B7E3BDE45D45AFD110" colspan="1" rowspan="1">Present</td>
<td id="3B7307C3C7932EB3BE20DFF53D2640E9" colspan="1" rowspan="1">Present</td>
<td id="CC6CD2DB2E2C11D9856B350D9CB57CF9" colspan="1" rowspan="1">Absent</td>
</tr>
<tr id="27C22F03D3E85A3B9531F95F448F8ED9">
<td id="2BF0563780D6D8A611B9351B4FB41F06" colspan="1" rowspan="1">Flagellum</td>
<td id="D32B3BFF6EAAFC40014C0BEADFF97BB7" colspan="1" rowspan="1">Strobilus-shaped</td>
<td id="EB3B5F8BBD6FF13F6717BDDCC40CF493" colspan="1" rowspan="1">Circinate-shaped</td>
<td id="C04CE38E8AFA07B4246F0CB6D7F8B395" colspan="1" rowspan="1">Protrusion</td>
<td id="C3FE09997202AEC621508187A7D77051" colspan="1" rowspan="1">Slender towards tip</td>
<td id="D1166FE695CEB98BEA408377D4B632E6" colspan="1" rowspan="1">Narrow ovate</td>
<td id="FD21133BBD11540E5B1A73A9D51348BA" colspan="1" rowspan="1">Water drop-shaped</td>
<td id="55B261F5B9BCEBF1B41743EF351990D8" colspan="1" rowspan="1">Short protrusion</td>
<td id="5FF22F3983FF49055968774305109D25" colspan="1" rowspan="1">Cylindrical, bent tip</td>
<td id="781A95CC1C168805D3674A19EA656B80" colspan="1" rowspan="1">Cylindrical, bent tip</td>
<td id="FF252BD2C36214A76B3C35ED22C708A1" colspan="1" rowspan="1">Shot, hook- shape</td>
</tr>
<tr id="0FB9EBEC7B394B136C56DBB7EC10BA37">
<td id="4B50A043DA34722903B098A3F6DB8A21" colspan="1" rowspan="1">Basal part of gametolytic sac</td>
<td id="E067C7017917697CAF7BB65FC937E9C9" colspan="1" rowspan="1">Swollen</td>
<td id="BB9C9624770394913FDA62AA60C5E342" colspan="1" rowspan="1">Thick and stout</td>
<td id="6B7BB28C1E627323B5CA0D112C01C4BA" colspan="1" rowspan="1">Thin</td>
<td id="B62E840F6886EE11B185C4DF633AB654" colspan="1" rowspan="1">Thin</td>
<td id="5CD3F26E05E550B6A78757DB780AD5EA" colspan="1" rowspan="1">Thick</td>
<td id="928B66D81CA5B0966F954D1C7F269327" colspan="1" rowspan="1">Stout</td>
<td id="CA794955B96F73A85027DEEABD75C9AE" colspan="1" rowspan="1">Thick</td>
<td id="5F50DC0985D8355FBEE52EDED47F0534" colspan="1" rowspan="1">Swollen</td>
<td id="F21B44DDF626EFE5970A2CA8744A9214" colspan="1" rowspan="1">Swollen</td>
<td id="C3E0E3A882B18B899415032CBDFBCE54" colspan="1" rowspan="1">Swollen</td>
</tr>
<tr id="C1E46590ED684E52AA222459E4E59D69">
<td id="9A6EBDB93544FAFB92D600AF7CB6A8E9" colspan="11" rowspan="1">
<emphasis id="9CAABF19000C1FD607116740495052B4" bold="true">Radula</emphasis>
:
</td>
</tr>
<tr id="FD19723A8A0D532F7EB24B5ABCF74D76">
<td id="DA3BB5047CECB8D94F562C5BA9541A83" colspan="1" rowspan="1">Number of rows</td>
<td id="B79F7BEBBA3B2D10CB3FF31D4C666687" colspan="1" rowspan="1">100</td>
<td id="41BD801D7617B3E69C6872E1F54CC171" colspan="1" rowspan="1">9395</td>
<td id="F8DF3C148297A83BAEFAC5D2F8FE83E8" colspan="1" rowspan="1">126130</td>
<td id="619B2624DA67E45CB458711C38BE0B10" colspan="1" rowspan="1">107111</td>
<td id="15ED23D75ABDF07BFE30AA08A886FF04" colspan="1" rowspan="1">125129</td>
<td id="31E3B77F8E58FB73C0FC1494AA3486FF" colspan="1" rowspan="1">110114</td>
<td id="A8F2137B31422057EC2A2DC4A94631E1" colspan="1" rowspan="1">121125</td>
<td id="D9E72B8B8B8BE9453E320CBE43893466" colspan="1" rowspan="1">103107</td>
<td id="85AA1FF93BB3B5D67BFD1C5DC8541076" colspan="1" rowspan="1">136140</td>
<td id="102469D0DD65D5EE83C4015C3A5BE900" colspan="1" rowspan="1">?</td>
</tr>
<tr id="5EAAEADB057BE5E35E484F4CE25711EF">
<td id="965828BB6D739840A3153C57EFD5AFEF" colspan="1" rowspan="1">Number of teeth in each row</td>
<td id="F34AED15D0A675FF6CDB2ECC512C8F9A" colspan="1" rowspan="1">353</td>
<td id="1ED007FCE4DE4CF29BA1E4E7E59ECD99" colspan="1" rowspan="1">5563</td>
<td id="24EE72CFAC852CB7C647C10137568853" colspan="1" rowspan="1">7987</td>
<td id="0375D450AA612282BF20C99DB5BE3DEE" colspan="1" rowspan="1">6573</td>
<td id="C4CF8895E5983D3CE41C7ADD0B74C4F1" colspan="1" rowspan="1">7583</td>
<td id="48269010C59A5955D78BD8279F199523" colspan="1" rowspan="1">6977</td>
<td id="A19FD48D8DEC63612BC140729436A815" colspan="1" rowspan="1">6169</td>
<td id="574E6DC8BFCD082D6114BBD5AB8A5CFC" colspan="1" rowspan="1">6371</td>
<td id="820ACB044180D29CFC5E7BB5DB3E744A" colspan="1" rowspan="1">6371</td>
<td id="B062D54BA0F273B3A10667EFB86397FC" colspan="1" rowspan="1">?</td>
</tr>
<tr id="D0247532A7CFBCECE7C5A1D035A81B1B">
<td id="1DEEC983910AF23D94B857E2138BE4CC" colspan="1" rowspan="1">- Lateral teeth</td>
<td id="D4E21DDE2F2712951DFF2B76ADDB5553" colspan="1" rowspan="1">810</td>
<td id="747EB25AE7A118E26A60C2E70FDC0F5F" colspan="1" rowspan="1">810</td>
<td id="9F2F528745DC9A5A52E2EDE6F665955B" colspan="1" rowspan="1">1113</td>
<td id="BBAC169FB47B882A1556D07FD8CBC43E" colspan="1" rowspan="1">810</td>
<td id="9D6F751C26BE311F937669EB3AC2041B" colspan="1" rowspan="1">1113</td>
<td id="33A287A149074DFEDAB6FA7056092C21" colspan="1" rowspan="1">1214</td>
<td id="C2EEEDFAF1943D6A44CD0E190B5A5450" colspan="1" rowspan="1">79</td>
<td id="3ECCBD78361F9453A73651316A007159" colspan="1" rowspan="1">68</td>
<td id="F3B925E1CEBBBF341D00989EE68E880C" colspan="1" rowspan="1">1214</td>
<td id="0D173871B481BA50F5BB9B384C36A1AC" colspan="1" rowspan="1">?</td>
</tr>
<tr id="5D883337B31C5EFEBD4AFF3DF7F2BEBB">
<td id="40D7A9F1CCBC04277965899DE94E8CD0" colspan="1" rowspan="1">- Marginal teeth</td>
<td id="D4A31F639B011668729869A9E8E96BD2" colspan="1" rowspan="1">1517</td>
<td id="87BAD0D56AD81528934F22CAD14FCBE5" colspan="1" rowspan="1">1921</td>
<td id="03D321D00512500306E6C7614BFEE756" colspan="1" rowspan="1">2830</td>
<td id="8553A930DDD2BB67A88D8795F67F55B4" colspan="1" rowspan="1">2426</td>
<td id="95D17A9FE99BFDF438EFFA4EE28E02EA" colspan="1" rowspan="1">2628</td>
<td id="ACF01DF0E2134173A2578609F68A6EAC" colspan="1" rowspan="1">2224</td>
<td id="A98ED387B641DC7D1AE72188F664A05B" colspan="1" rowspan="1">2325</td>
<td id="BEFFC903D232C6EE3FFB13995A9DDD44" colspan="1" rowspan="1">2224</td>
<td id="F784C94A6DE04608CF18001819AA986A" colspan="1" rowspan="1">1921</td>
<td id="9B5C346F08F01A0ABD5FF2A16DA1AB60" colspan="1" rowspan="1">?</td>
</tr>
<tr id="931ACBB35FC2828D9694A8547C52DF71">
<td id="5FBE1027A942ACE62E98B075131E080E" colspan="1" rowspan="1">Central tooth</td>
<td id="2FFADAFD9D63774EC27F26097DAFE841" colspan="1" rowspan="1">Elongate-lanceolate</td>
<td id="0EDF5D2D4B5064B4CCA3FF06C94929C1" colspan="1" rowspan="1">Tongue-shaped</td>
<td id="EED7D01FF00AC95DFCB48B41E3EE6307" colspan="1" rowspan="1">Slender-lanceolate</td>
<td id="C8E540D9C323921119DBACA2926F9849" colspan="1" rowspan="1">Short-lanceolate</td>
<td id="31217FC6BEF7169DF62FE2675B38EFDF" colspan="1" rowspan="1">Lanceolate</td>
<td id="1A9079DC604F05A87A9F7A91450F8552" colspan="1" rowspan="1">Tongue-shaped</td>
<td id="ABD8888A4DA1BF67FA0DF3BE606E83FE" colspan="1" rowspan="1">Triangular</td>
<td id="B0833A667ACFF4954F90D6BE688004AF" colspan="1" rowspan="1">Lanceolat</td>
<td id="36CC9E17496F0ADF0E85DA0F022810C1" colspan="1" rowspan="1">Triangular</td>
<td id="694A46F4939DDA303E546FAEAB7D4F4F" colspan="1" rowspan="1">?</td>
</tr>
<tr id="EAA072B9B8FBCAF7F4FAD7FBB54072D1">
<td id="8AD957DC63A21098B95225E0C8FF921A" colspan="1" rowspan="1">References</td>
<td id="E6A84DDCE562B2B9311FFC1434EDF2B3" colspan="1" rowspan="1">1</td>
<td id="804F281614D6EAE5185C7DF3DFA8F58A" colspan="1" rowspan="1">2</td>
<td id="2134A607B72B86EC95A496F9082556BE" colspan="1" rowspan="1">2</td>
<td id="EB2B24191F8245BA57EB30955C2C1FEB" colspan="1" rowspan="1">2</td>
<td id="1D7C0CA360CEB9A1D3E5A0AF75BCCF31" colspan="1" rowspan="1">2</td>
<td id="6C47DC851AFE9BCF094C6DC0CDF5579E" colspan="1" rowspan="1">2</td>
<td id="AD8C4A92B01A374E4379631526308669" colspan="1" rowspan="1">2</td>
<td id="272755AA35109180205116121FBA61C2" colspan="1" rowspan="1">3</td>
<td id="7613E52FF94C0B8982B17DFA801E8243" colspan="1" rowspan="1">3</td>
<td id="61977A1DEF81E7175C3172A8A92AB730" colspan="1" rowspan="1">4</td>
</tr>
</tbody>
</table>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E1FAG" type="description">
<paragraph id="10715AE875BABFD74CE509AF98BD3658">
<heading id="723531FE5CA4ACDAC8F7986764B5B16C" reason="title">Description.</heading>
</paragraph>
<paragraph id="49758CD8F92C0446597A6C73B5DB85D8">
(empty shells = 115, living specimens = 5).
<emphasis id="E7874BCD0158C6B39F5D5B6FB3908844" bold="true" italics="true">Shell</emphasis>
(Fig.
<figureCitation id="0991E4EDFA8CC7C877869C5B52A928DD" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">2</figureCitation>
) dextral, small, depressed-globose; body whorl large, well rounded. Whorls six; suture deep; apex obtuse; spire much elevated. Protoconch smooth; teleoconch with fine, irregular wrinkles, without scaly processes, last whorl with indistinct, incised spiral lines; umbilical side of last whorl with spiral lines more distinct. Umbilicus deep, very wide. Shell dimensions of specimens from type locality (
<emphasis id="FBD37DA202797E0C533A7E17DE834842" italics="true">N</emphasis>
= 104; mean values in parentheses): shell height
<quantity id="102C72EBBE5DA77AA5F55C432F6015C2" metricMagnitude="-3" metricUnit="m" metricValue="7.55" metricValueMax="9.4" metricValueMin="5.7" unit="mm" value="7.55" valueMax="9.4" valueMin="5.7">5.79.4 mm</quantity>
(6.69 ±
<quantity id="7096046A82BDB211780B2663691CE941" metricMagnitude="-4" metricUnit="m" metricValue="7.1" unit="mm" value="0.71">0.71 mm</quantity>
), shell width
<quantity id="9979A3C415512EEA515672823BDC1529" metricMagnitude="-2" metricUnit="m" metricValue="1.035" metricValueMax="1.22" metricValueMin="0.85" unit="mm" value="10.35" valueMax="12.2" valueMin="8.5">8.512.2 mm</quantity>
(10.54 ±
<quantity id="4A75A3FD84E0090650D1ED32FB1BF5FB" metricMagnitude="-4" metricUnit="m" metricValue="6.5" unit="mm" value="0.65">0.65 mm</quantity>
), aperture height
<quantity id="134D76E85F7CEFCCA7BD42D756516185" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="5.3" metricValueMin="3.2" unit="mm" value="4.25" valueMax="5.3" valueMin="3.2">3.25.3 mm</quantity>
(4.47 ±
<quantity id="3DE24D51E11D9F76ACD16355D4AC9825" metricMagnitude="-4" metricUnit="m" metricValue="3.8" unit="mm" value="0.38">0.38 mm</quantity>
), aperture width
<quantity id="88BBD17F49F5E203E6CBBC67617DE2F9" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.1" metricValueMin="2.9" unit="mm" value="4.0" valueMax="5.1" valueMin="2.9">2.95.1 mm</quantity>
(4.08 ±
<quantity id="82BB9541FBBFEE34E03773EF71AA8C9B" metricMagnitude="-4" metricUnit="m" metricValue="3.4" unit="mm" value="0.34">0.34 mm</quantity>
), and umbilicus width
<quantity id="7F9D007167DB1309C040833E12DCCEC2" metricMagnitude="-3" metricUnit="m" metricValue="4.05" metricValueMax="5.4" metricValueMin="2.7" unit="mm" value="4.05" valueMax="5.4" valueMin="2.7">2.75.4 mm</quantity>
(3.60 ±
<quantity id="81E980C31FFB96947DCBEF5BD4CDF371" metricMagnitude="-4" metricUnit="m" metricValue="3.3" unit="mm" value="0.33">0.33 mm</quantity>
). Shell dimensions of specimens from Khao Nang Panthurat (
<emphasis id="10D627362793BFC81EA2DA1461633032" italics="true">N</emphasis>
= 11): shell height
<quantity id="CB8EFEC11D5B9BB365AD210776C648D1" metricMagnitude="-3" metricUnit="m" metricValue="6.449999999999999" metricValueMax="7.09" metricValueMin="5.81" unit="mm" value="6.449999999999999" valueMax="7.09" valueMin="5.81">5.817.09 mm</quantity>
(6.45 ±
<quantity id="725274BF074EFDAFCF76A72FFAAF7C01" metricMagnitude="-4" metricUnit="m" metricValue="6.4" unit="mm" value="0.64">0.64 mm</quantity>
), shell width
<quantity id="10834593D377DDDC6B38284566D7FFB8" metricMagnitude="-2" metricUnit="m" metricValue="1.023" metricValueMax="1.087" metricValueMin="0.959" unit="mm" value="10.23" valueMax="10.87" valueMin="9.59">9.5910.87 mm</quantity>
(10.23 ±
<quantity id="15E31452388F08D9A00CC64D9CBE49DD" metricMagnitude="-4" metricUnit="m" metricValue="6.4" unit="mm" value="0.64">0.64 mm</quantity>
), aperture height
<quantity id="F16563A562936099D091ABE01CA3A750" metricMagnitude="-3" metricUnit="m" metricValue="4.43" metricValueMax="4.73" metricValueMin="4.13" unit="mm" value="4.43" valueMax="4.73" valueMin="4.13">4.134.73 mm</quantity>
(4.43 ±
<quantity id="D1265FBA74733A17E0E7F2F61181C6F8" metricMagnitude="-4" metricUnit="m" metricValue="3.0" unit="mm" value="0.3">0.30 mm</quantity>
), aperture width
<quantity id="3A4B53C147E9F5F978211A3662510764" metricMagnitude="-3" metricUnit="m" metricValue="4.01" metricValueMax="4.38" metricValueMin="3.64" unit="mm" value="4.01" valueMax="4.38" valueMin="3.64">3.644.38 mm</quantity>
(4.01 ±
<quantity id="597C93DFBBCBEB0E21934353B98BF019" metricMagnitude="-4" metricUnit="m" metricValue="3.7" unit="mm" value="0.37">0.37 mm</quantity>
), and umbilicus width
<quantity id="8F13784F7763115D3A35B2B1E876DBE0" metricMagnitude="-3" metricUnit="m" metricValue="3.54" metricValueMax="3.83" metricValueMin="3.25" unit="mm" value="3.54" valueMax="3.83" valueMin="3.25">3.253.83 mm</quantity>
(3.54 ±
<quantity id="02A1449AF3746187A0D4A579C5109A6A" metricMagnitude="-4" metricUnit="m" metricValue="2.9" unit="mm" value="0.29">0.29 mm</quantity>
).
</paragraph>
<paragraph id="20C33ACFDE3278275DB0ECF1C56253FC">
<emphasis id="A46853241B0CA32D2266C8E433112DE1" bold="true" italics="true">Genital system</emphasis>
(
<emphasis id="E62E1ECF4357AEFCAEDF6462F5C51CD2" italics="true">N</emphasis>
= 3) (Fig.
<figureCitation id="291F01FC2DAFA5FCB0B90FFFE4A24359" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3</figureCitation>
). Atrium short. Penis small, cylindrical, shorter than flagellum, internally with four smooth, longitudinal pilasters, which gradually become corrugated
<abbrev id="ABBRID0EYGAG" xlink_title="atrium">at</abbrev>
distal part close to verge. Verge short, swollen (Fig.
<figureCitation id="FC385C3C1EC30806B0B3A1A66ABE65E8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3 B</figureCitation>
). Penial retractor muscle present. Proximal part of epiphallus (
<abbrev id="ABBRID0EAHAG" xlink_title="proximal part of epiphallus">ep 1</abbrev>
) approximately equal to length of penis and vagina combined, but thicker and larger than penis. Distal part of epiphallus (
<abbrev id="ABBRID0EEHAG" xlink_title="distal part of epiphallus">ep 2</abbrev>
) extremely short. Flagellum apically joins epiphallus, more than twice as long as penis, regularly long-cylindrical, bent
<abbrev id="ABBRID0EIHAG" xlink_title="atrium">at</abbrev>
distal end, internally with three smooth, longitudinal pilasters (Fig.
<figureCitation id="E8D166D2F49B3941CFC012419170C71E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3 C</figureCitation>
). Vas deferens a thin, cylindrical tube, laterally entering epiphallus. Vagina short, distally globularly dilated, internally with five thick, longitudinal pilasters (Fig.
<figureCitation id="BAFBD8DFB6A514B05BC172EC9949DF91" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3 D</figureCitation>
). Free oviduct shorter than vagina. Proximal part of gametolytic sac very stout, swollen, with a long, narrow, cylindrical tube, and with
<abbrev id="ABBRID0EUHAG" xlink_title="atrium">at</abbrev>
its distal end sac-like, small, swollen, and spherical. Prostate gland very long; uterus long, swollen.
</paragraph>
<caption id="D9233816096F1CCA6798F4891EB71EF3" ID-DOI="10.3897/zookeys.1208.117056.figure3" ID-arpha="7910B41C-878E-5CD8-827D-83440BFD71B0" httpUri="https://binary.pensoft.net/fig/1108223" startId="F3">
<paragraph id="1B944E4801A6828169120A1F346D1BFC">
<label id="CCB27B2D27069D579A87021D75483DEE">Figure 3.</label>
</paragraph>
<paragraph id="7EE981A7FB0C03BD014EBB03613E87D5">
Genital anatomy of
<taxonomicName id="9A62BCCA18FAE617E7B15F03E5C44D2E" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">
<emphasis id="490EB0A49D60831A0063239B72C11D8C" italics="true">Landouria bella</emphasis>
</taxonomicName>
<taxonomicNameLabel id="D5FAC101ED89904269C73FBECC147C57" rank="species">sp. nov.</taxonomicNameLabel>
, paratype (
<specimenCode id="6C1A455167AB8D6972559DBE7E21DABF">
<abbrev id="ABBRID0ELIAG" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
- 0042
</specimenCode>
)
<emphasis id="CD7AD53DE7BD6972F096CBB53E0BF63E" bold="true">A</emphasis>
whole genitalia
<emphasis id="DDF552A110649D05DE35866F1A392733" bold="true">B D</emphasis>
internal wall sculpture of
<emphasis id="5DB6034F97F3A6403930B9E837B7A5CF" bold="true">B</emphasis>
penis (p)
<emphasis id="36E6C3F92C6FEB90C7C8C87B8C7EC16E" bold="true">C</emphasis>
flagellum (
<abbrev id="ABBRID0EXIAG" xlink_title="flagellum">fl</abbrev>
)
<emphasis id="BDA67006760200E04E166943192B67D8" bold="true">D</emphasis>
vagina (
<abbrev id="ABBRID0E4IAG" xlink_title="vagina">va</abbrev>
).
</paragraph>
</caption>
<paragraph id="640D9231483534A138189C5FC0E76D68">
<emphasis id="7B6A89261337C3DE9EF82C7D515E541E" bold="true" italics="true">Radula</emphasis>
(
<emphasis id="E5D0156777115D58DE5A4EB68F0AFC35" italics="true">N</emphasis>
= 3) Comprises 103107 transverse rows with 6371 teeth per row; radular formula: (2224) + (68) + 1 + (68) + (2224). Central tooth usually symmetric, unicuspid, lanceolate (Fig.
<figureCitation id="A5A77EC0FD8E14EDDAB8A5FEE35DA0CF" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4 B</figureCitation>
). Lateral teeth quite like central tooth, but oblique, larger, and longer. Teeth on both sides begin to transform into indistinct bicuspid marginal teeth with tiny ectocone
<abbrev id="ABBRID0EYJAG" xlink_title="atrium">at</abbrev>
tooth number 68 (Fig.
<figureCitation id="CFA6986C37E56A71AF3334CE585F5119" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4 C</figureCitation>
) and gradually change from bicuspid to tricuspid; endocone small; mesocone large, lanceolate; ectocone triangular, with 24 tiny cusps (Fig.
<figureCitation id="89CAA0B2F012F8590E2BFC7FC50827B6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4 D</figureCitation>
).
</paragraph>
<caption id="A9B313877B234AE8F63C626BDEEE544D" ID-DOI="10.3897/zookeys.1208.117056.figure4" ID-arpha="559CA5AB-8B2D-53A4-B342-243C3A9327DC" httpUri="https://binary.pensoft.net/fig/1108224" startId="F4">
<paragraph id="33FEB64769B624BE0FE14580B939BA1E">
<label id="1D296D906FDBB58582CCEA2CECF864F9">Figure 4.</label>
</paragraph>
<paragraph id="12354F78FC4959E3DCFAE14D4CFC97EA">
Radula morphology of
<taxonomicName id="C82E4002544A17A4ABF4E4306F403DF8" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">
<emphasis id="968A286AED10BC71B9F6DE152D9F14CB" italics="true">Landouria bella</emphasis>
</taxonomicName>
<taxonomicNameLabel id="190033FB6B2269B79F55F70114994455" rank="species">sp. nov.</taxonomicNameLabel>
, paratype (
<specimenCode id="CC19CB0B1869DC4920A2DF18093DCB1C">
<abbrev id="ABBRID0E4KAG" xlink_title="Zoological Research Collection of Chaiyaphum Rajabhat University">ZCPRU</abbrev>
- 0042
</specimenCode>
)
<emphasis id="C609D061EBBAD1842C77ABDA8983FB95" bold="true">A</emphasis>
whole radula
<emphasis id="F75A3442086C1E6D2FA6778B2B7C2AE5" bold="true">B</emphasis>
close-up view of central tooth and lateral teeth
<emphasis id="3BBAA26DEF5C18DB7CA409FB8D5872CF" bold="true">C</emphasis>
right side of central tooth and lateral teeth
<emphasis id="225B580862D263FC37AE579AF4B788A3" bold="true">D</emphasis>
right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EOLAG" type="etymology">
<paragraph id="7159F3E147A110A191ADA57DAF1D0021">
<heading id="580873524626CC87FE06F2EB04E04963" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="ED4A5BA70D8ABF38534E10CD5B386862">
Specific epithet
<taxonomicName id="84123AFB4EF89A83A2D3D17A4FC0FC0C" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella">
<emphasis id="9F1A485DA26B64F16AB6F32C37E72765" italics="true">bella</emphasis>
</taxonomicName>
” is derived from the Latin word “ bellus ”, which means lovely fine, pretty, and beauty. This name refers to the lovely shell of the new species.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E5LAG" type="habitat">
<paragraph id="B3A197FFA1D595D33C5A5673F6007C94">
<heading id="8CAEE7CF75A13E07610359ADA73704C1" reason="title">Habitat.</heading>
</paragraph>
<paragraph id="0AA15EEEE1B620467B21257316FC714B">
This species inhabits isolated limestone hills, where it lives on rocks and the ground in a natural forest
<abbrev id="ABBRID0EEMAG" xlink_title="atrium">at</abbrev>
the foot of limestone cliffs.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EIMAG" type="distribution">
<paragraph id="F9DDDE3262A913C2E25D8F96823F5E3A">
<heading id="1E22C128FC546484BE90FFB44C23725A" reason="title">Distribution.</heading>
</paragraph>
<paragraph id="5BC67DF813D57953B08051603ACECB04">
<taxonomicName id="E437520CFBAF5EA2611CEFC42B02B8B5" authorityName="Nahok &amp; Chanlabut &amp; Tumpeesuwan &amp; Tumpeesuwan" authorityYear="2024" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="bella" status="sp. nov.">
<emphasis id="EEDD940AEC2BAB3DD4DA6DE97541B34C" italics="true">Landouria bella</emphasis>
</taxonomicName>
<taxonomicNameLabel id="CC1C071CDEDA4B91ACB2204181101439" rank="species">sp. nov.</taxonomicNameLabel>
is currently known only from Khao Bin Cave,
<collectingRegion id="09776520CE20704B35B9E27418477D04" country="Thailand" name="Ratchaburi">Ratchaburi Province</collectingRegion>
, and Khao Nang Panthurat Forest Park,
<collectingRegion id="2FEBF44A7FFF37C63601904FE31C971C" country="Thailand" name="Phetchaburi">Phetchaburi Province</collectingRegion>
, in western
<collectingCountry id="0E363F42DBE5D442C3FF6605E75CAD8E" name="Thailand">Thailand</collectingCountry>
(Fig.
<figureCitation id="1511177200C52352DD67A3702894E8EC" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Geographic distribution of verified Thai Landouria species and showing the type localities of L. bella sp. nov. and L. monodon sp. nov." figureDoi="10.3897/zookeys.1208.117056.figure1" httpUri="https://binary.pensoft.net/fig/1108221">1</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0E4MAG" type="remarks">
<paragraph id="26CFDA8560D781CB9842F6BC377CB114">
<heading id="A29EAB3FF7E503684F8221F80FAD6B25" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="8A694B8B7F80D40A66446FB1162BAE39">
The new species is distinguished from other species of
<taxonomicName id="D529A356334A28503FBE15AB1D27379E" authorityName="Godwin-Austen" authorityYear="1918" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="genus">
<emphasis id="160EFA4BC7C5E755DFB30446EC5C6D54" italics="true">Landouria</emphasis>
</taxonomicName>
in
<collectingCountry id="8BF5A0CF8FF8689FF27DF004B54021F5" name="Thailand">Thailand</collectingCountry>
by its depressed-globose shell, the presence of a thin, small columellar lamella on the inner side of the aperture, and the absence of an angular and peripheral keel (Fig.
<figureCitation id="521FEE213188F92A5E84088FADC61C6B" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Landouria bella sp. nov. A holotype (NHMSU - 00056) B paratype (ZCPRU - 0042) C, D empty shell from Khao Nang Panthurat Forest Park, Phetchaburi Province (NHMSU - 00058)." figureDoi="10.3897/zookeys.1208.117056.figure2" httpUri="https://binary.pensoft.net/fig/1108222">2</figureCitation>
). Its genital system is distinguished by its flagellum, which is regularly cylindrical, with a bent tip. The internal structure of the penis has a rounded swollen verge and resembles that of
<taxonomicName id="EEBA6661D3339FF75F03230BE02BC57C" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="circinata">
<emphasis id="E093E887930DD199265706B70BE741A9" italics="true">L. circinata</emphasis>
</taxonomicName>
, as well as
<taxonomicName id="BA6A844D612EBE7F910990BEF6B97143" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="tuberculata">
<emphasis id="93EDE84A506BC0EC3829F64296A1ABAE" italics="true">L. tuberculata</emphasis>
</taxonomicName>
from
<collectingRegion id="CD0F33F9A7C8EC9AE26DD447A1709F44" country="Thailand" name="Loei">Loei</collectingRegion>
,
<taxonomicName id="B1050FCB8097533A7814DBA0B3136145" authorityName="Nahok, S. Tumpeesuwan &amp; C. Tumpeesuwan" authorityYear="2021" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="chloritoides">
<emphasis id="A302A93F928A47E19F2160534ACE3BD0" italics="true">L. chloritoides</emphasis>
</taxonomicName>
from
<collectingRegion id="64D187B957E0C5B18657F52B67BBB824" country="Thailand" name="Khon Kaen">Khon Kaen</collectingRegion>
, and
<taxonomicName id="E233886C88D5AB0E2489B051DEBC112C" baseAuthorityName="Mollendorff" baseAuthorityYear="1902" class="Gastropoda" family="Camaenidae" genus="Landouria" kingdom="Animalia" order="Stylommatophora" phylum="Mollusca" rank="species" species="diplogramma">
<emphasis id="A3BFBB541DB0C9119543B0A6F4A87B43" italics="true">L. diplogramma</emphasis>
</taxonomicName>
from
<collectingRegion id="82588C51B70398650B2F94EAA73B332B" country="Thailand" name="Nakhon Ratchasima">Nakhon Ratchasima</collectingRegion>
, northeastern
<collectingCountry id="AD0E5428CCB06BE4FD8A59C6C0B8037E" name="Thailand">Thailand</collectingCountry>
, but the new species differs in having the proximal part of the penis with thin longitudinal pilasters and the distal part which becomes gradually corrugated (Fig.
<figureCitation id="CAB78DE5374058C499842CA6ACE957B4" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Genital anatomy of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole genitalia B D internal wall sculpture of B penis (p) C flagellum (fl) D vagina (va)." figureDoi="10.3897/zookeys.1208.117056.figure3" httpUri="https://binary.pensoft.net/fig/1108223">3 B</figureCitation>
). Most radular characteristics are quite similar to those of other species, except for the central tooth, which is lanceolate (Fig.
<figureCitation id="2972B728F5118C49EB2A9E2E635550FA" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula morphology of Landouria bella sp. nov., paratype (ZCPRU - 0042) A whole radula B close-up view of central tooth and lateral teeth C right side of central tooth and lateral teeth D right side of marginal teeth. Numbers indicate order of lateral and marginal teeth. Abbreviation: C = central tooth, L = lateral teeth, M = marginal teeth." figureDoi="10.3897/zookeys.1208.117056.figure4" httpUri="https://binary.pensoft.net/fig/1108224">4 B</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>