258 lines
32 KiB
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258 lines
32 KiB
XML
<document ID-CLB-Dataset="89308" ID-DOI="http://dx.doi.org/10.3897/zookeys.1110.85399" ID-GBIF-Dataset="04ac90a6-24ce-43c8-a06c-b1f1680b3b8e" ID-PMC="PMC9848723" ID-Pensoft-Pub="1313-2970-1110-39" ID-Pensoft-UUID="766F9A94793D5793A9BE1E70F575798B" ID-PubMed="36761454" ID-ZooBank="4681CC6DE5F347C6B1D052DEA78BE7C3" ModsDocID="1313-2970-1110-39" checkinTime="1657006630715" checkinUser="pensoft" docAuthor="Sian Man, Nem, Siriboon, Thanit, Lin, Aung, Sutcharit, Chirasak & Panha, Somsak" docDate="2022" docId="C970CA8733755ED18FDACF993AD6D08A" docLanguage="en" docName="ZooKeys 1110: 39-102" docOrigin="ZooKeys 1110" docPubDate="2022-07-04" docSource="http://dx.doi.org/10.3897/zookeys.1110.85399" docTitle="Discartemon paurodeviatus Man & Panha 2022, sp. nov." docType="treatment" docUuid="7F0B6632-7902-483B-A580-A3900EB06D6E" docUuidSource="ZooBank" docVersion="5" id="766F9A94793D5793A9BE1E70F575798B" lastPageNumber="39" masterDocId="766F9A94793D5793A9BE1E70F575798B" masterDocTitle="Revision of the carnivorous land snail family Streptaxidae (Stylommatophora, Achatinina) in Myanmar, with description of four new species" masterLastPageNumber="102" masterPageNumber="39" pageNumber="39" updateTime="1732936926474" updateUser="ExternalLinkService">
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<mods:mods id="C970C9750CD045F52EF6FD150078D052" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="1D8D2AC26DE74574E249CD977663A169">
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<mods:title id="F8D72FEF8031F34CF5250FBF16C60AD3">Revision of the carnivorous land snail family Streptaxidae (Stylommatophora, Achatinina) in Myanmar, with description of four new species</mods:title>
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<mods:name id="3C4138D8B22D18F0728EFC5051B66E49" type="personal">
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<mods:roleTerm id="355C65CD18169B56C7E7FE95C379D122">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A0705A8734643E9C26B29DFAB42A87BF">Sian Man, Nem</mods:namePart>
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<mods:nameIdentifier id="86697CB5C84C9721B172F27231931924" type="ORCID">https://orcid.org/0000-0002-4453-734X</mods:nameIdentifier>
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<mods:affiliation id="FFF7CDF079937A9D3CA362BD0A8B0B4E">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand</mods:affiliation>
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</mods:name>
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<mods:name id="857D6CDFBE5D3AA8A97DC0F458337ED0" type="personal">
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<mods:role id="A66B31F38248C2F1ED19AD4A0B636E8A">
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<mods:roleTerm id="DB23DD042F626C4BDC2C386078C6881A">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="4836C3BA17DA0958F4AA733F940A5CEB">Siriboon, Thanit</mods:namePart>
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<mods:affiliation id="99032F1B3E8CB9E262127D665FF6F811">Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok, 10110, Thailand</mods:affiliation>
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</mods:name>
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<mods:name id="0F005CA765B6E245A4378B96564C7978" type="personal">
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<mods:role id="823965D81C793C6593C054232FBF3302">
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<mods:roleTerm id="56C927003D005814FACB4809816CE890">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5A629CC6EE5F08EB9B4402151A9A402C">Lin, Aung</mods:namePart>
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<mods:affiliation id="142715C2C68E2FFC47FF5FCBEAB523BB">Fauna and Flora International, No. 35, 3</mods:affiliation>
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</mods:name>
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<mods:name id="505D040A1A1207D9A89FC9EB7CBBD1F0" type="personal">
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<mods:role id="98C83092E03299D05BC54CB2C2A2A079">
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<mods:roleTerm id="D9BC90C9D3D34B676E2F423F0060FD84">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="AB1D04D4A255837688AA7BBE239B1321">Sutcharit, Chirasak</mods:namePart>
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<mods:affiliation id="93F1D3350AFF3E5ACA0C0830BA3A8B2E">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand</mods:affiliation>
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</mods:name>
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<mods:name id="263ACCECCAEE092FFD91F207074656B7" type="personal">
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<mods:roleTerm id="96F01E990AC8BB9C3BDB470D6F6842CC">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="2ED494C2A23CA2B1328A0CD5527F022B">Panha, Somsak</mods:namePart>
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<mods:affiliation id="8B17317D721BB488AF081570CF5DF866">Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand</mods:affiliation>
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<mods:nameIdentifier id="AFFC64CB0E06D0ECE39CC8494332189B" type="email">somsak.pan@chula.ac.th</mods:nameIdentifier>
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<mods:typeOfResource id="880A0EC1797EB379AACA430503276EE0">text</mods:typeOfResource>
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<mods:titleInfo id="DD5C3AE66424BAFD548DC155610949DD">
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<mods:title id="D21D836AC13DF8D6E40F08CF349619A4">ZooKeys</mods:title>
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<mods:part id="C8BAAAB0F87BE7C63D71A77EB2C04134">
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<mods:date id="A9261A8CA288AD7B70781BAD12FBA982">2022</mods:date>
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<mods:detail id="A00C143FCC0F7A84B1BBC67A2348A3E2" type="pubDate">
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<mods:number id="D04057A9CAB9099726F24866E4B8985D">2022-07-04</mods:number>
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<mods:detail id="F6BEED409FCF4D8102B518C36E35BF06" type="volume">
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<mods:number id="8BD50B911F0FE96258E2DAEDDBBF66F6">1110</mods:number>
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<mods:start id="FC3B5B4BAE114759B795793FB08CD759">39</mods:start>
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<mods:end id="49CAFB82E82DD979958CF66FE3D677B0">102</mods:end>
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<mods:location id="3AE7558B8B88FCAEF22323EB5A54413F">
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<mods:url id="913255E95E56825D027B86C25D1030FB">http://dx.doi.org/10.3897/zookeys.1110.85399</mods:url>
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</mods:location>
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<mods:classification id="644C08C5CA3AACEED7469D746E4701F1">journal article</mods:classification>
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<mods:identifier id="E719B280528738E8DF2EC351C780F453" type="DOI">http://dx.doi.org/10.3897/zookeys.1110.85399</mods:identifier>
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<mods:identifier id="23798AE8B08B35F5E02DB99F12E3F0B5" type="Pensoft-Pub">1313-2970-1110-39</mods:identifier>
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<mods:identifier id="183B7C02AFBB8D82864305BDFD62B080" type="ZooBank">4681CC6DE5F347C6B1D052DEA78BE7C3</mods:identifier>
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<treatment id="C970CA8733755ED18FDACF993AD6D08A" ID-GBIF-Taxon="196387971" LSID="urn:lsid:zoobank.org:act:7F0B6632-7902-483B-A580-A3900EB06D6E" httpUri="http://treatment.plazi.org/id/C970CA8733755ED18FDACF993AD6D08A" lastPageNumber="39" pageId="0" pageNumber="39" scope_family="Streptaxidae" scope_order="Stylommatophora" scope_subOrder="Achatinina">
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<subSubSection id="6C9FEFB2E06DBAD01A24F6DB8ACA03B1" pageId="0" pageNumber="39" type="nomenclature">
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<paragraph id="9792A2D84EF2B98EB689A6D09BDE4237" pageId="0" pageNumber="39">
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<taxonomicName id="EE46C81C75327F7396E62FFAD3A438B2" ID-CoL="9FW97" LSID="https://zoobank.org/7F0B6632-7902-483B-A580-A3900EB06D6E" authority="Man & Panha" authorityName="Man & Panha" authorityYear="2022" class="Gastropoda" family="Streptaxidae" genus="Discartemon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discartemon paurodeviatus" order="Stylommatophora" pageId="0" pageNumber="39" phylum="Mollusca" rank="species" species="paurodeviatus" status="sp. nov.">Discartemon paurodeviatus Man & Panha</taxonomicName>
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<taxonomicNameLabel id="CE1F94E9C51671F69093C3163C103233" pageId="0" pageNumber="39">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="CA220AD8E48B7E41701DBDB323C13C63" pageId="0" pageNumber="39" type="description">
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<paragraph id="5A3B0BD0CEF290E809C768DC81C266A2" pageId="0" pageNumber="39">
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<figureCitation id="85665AD7C38C6DD800A007CF83B8F317" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Approximate sampling locations used in this study. The location name and coordinates are listed in Table 1. Historical type localities of a broad scale, such as Tavoy, Burma, Moulmein, Mergui, and Tenasserim, are not indicated on this map." figureDoi="10.3897/zookeys.1110.85399.figure1" httpUri="https://binary.pensoft.net/fig/710466" pageId="0" pageNumber="39">Figs 1</figureCitation>
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<figureCitation id="A09A7CF798380292B1F60A78679B18FF" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Living snails A Discartemon tonywhitteni from near Phra (Buddha) Cave, Tanintharyi Region (shell width ~ 10 mm) B Discartemon paurodeviatus sp. nov. from the type locality (shell width ~ 11 mm) C Haploptychius heliakosus sp. nov. from the type locality (shell height ~ 9 mm) D Carinartemis exacutus from Lun Nga Mountain, Kayin State (shell height ~ 14 mm) E, F Carinartemis sankeyi (E) from Kayon Cave, Mon State (shell height ~ 10 mm) and (F) from Saddan Cave, Mawlamyine, Mon State (shell height ~ 10 mm)." figureDoi="10.3897/zookeys.1110.85399.figure2" httpUri="https://binary.pensoft.net/fig/710467" pageId="0" pageNumber="39">, 2B</figureCitation>
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<figureCitation id="98E0EF2AD4095A254F9FAD1E049098F7" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A, B Discartemon tonywhitteni, specimen CUMZ 6264 from Phra (Buddha) Cave, Tanintharyi Region C-E Discartemon paurodeviatus sp. nov. C holotype CUMZ 13002 with apertural dentition and D, E paratypes CUMZ 13003 from the type locality." figureDoi="10.3897/zookeys.1110.85399.figure3" httpUri="https://binary.pensoft.net/fig/710468" pageId="0" pageNumber="39">, 3C-E</figureCitation>
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<figureCitation id="350058670D1E8FF65EA4E141457D2F2B" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Genital anatomy of A, B Discartemon tonywhitteni, specimen CUMZ 13001 A reproductive system and B insertion of vas deferens into penial sheath C, D Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C reproductive system and D insertion of vas deferens into penial sheath." figureDoi="10.3897/zookeys.1110.85399.figure4" httpUri="https://binary.pensoft.net/fig/710469" pageId="0" pageNumber="39">, 4C, D</figureCitation>
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<figureCitation id="F104FC8A6AE07689ABFAC98760D4B970" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Internal sculpture of genitalia of Discartemon paurodeviatus sp. nov., paratype 13003 A junction of atrium, vagina, and proximal penis B, C lateral view of penial hooks on proximal part of penis D reticulated arrangement of penial hooks on middle part of penis E lateral view of penial hooks F arrangement of penial hooks on distal part of penis G arrangement of thickened reticulated vaginal folds." figureDoi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39">, 6</figureCitation>
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<figureCitation id="35007B892585B5A6A252C6762EA7E4C0" captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Radula of specimens A Discartemon tonywhitteni, paratype CUMZ 13001 B Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C Haploptychius heliakosus sp. nov., paratype CUMZ 13014 D Carinartemis exacutus, specimen CUMZ 13021 E, F Carinartemis sankeyi, specimen CUMZ 13029 E overview of radula and F high magnification of central teeth." figureDoi="10.3897/zookeys.1110.85399.figure24" httpUri="https://binary.pensoft.net/fig/710489" pageId="0" pageNumber="39">, 24B</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="3A0C4FE7485955B93869003659FE1CBA" pageId="0" pageNumber="39" type="type material">
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<paragraph id="1EA8616B4EC6A3F98B46BA3934927995" pageId="0" pageNumber="39">Type material.</paragraph>
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<paragraph id="D218CA81647D665C8203DAA0E867E7FA" pageId="0" pageNumber="39">
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<emphasis id="2C759FDF095689692B0294AFFEF8ED8D" bold="true" italics="true" pageId="0" pageNumber="39">Holotype</emphasis>
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CUMZ 13002 (Fig.
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<figureCitation id="AA0E4B5CC4137B8E865051658556BDCE" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A, B Discartemon tonywhitteni, specimen CUMZ 6264 from Phra (Buddha) Cave, Tanintharyi Region C-E Discartemon paurodeviatus sp. nov. C holotype CUMZ 13002 with apertural dentition and D, E paratypes CUMZ 13003 from the type locality." figureDoi="10.3897/zookeys.1110.85399.figure3" httpUri="https://binary.pensoft.net/fig/710468" pageId="0" pageNumber="39">3C</figureCitation>
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). Measurements: shell height 7.6 mm, shell width 11.0 mm, and 6 whorls.
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<emphasis id="FFE8F46446A7D70107191AD9E07BDF64" bold="true" italics="true" pageId="0" pageNumber="39">Paratypes</emphasis>
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CUMZ 13003 (14 shells; Fig.
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<figureCitation id="C278D288622B82ACB6B56FE8B9FCC328" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A, B Discartemon tonywhitteni, specimen CUMZ 6264 from Phra (Buddha) Cave, Tanintharyi Region C-E Discartemon paurodeviatus sp. nov. C holotype CUMZ 13002 with apertural dentition and D, E paratypes CUMZ 13003 from the type locality." figureDoi="10.3897/zookeys.1110.85399.figure3" httpUri="https://binary.pensoft.net/fig/710468" pageId="0" pageNumber="39">3D, E</figureCitation>
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), CUMZ 13004 (3 specimens in ethanol), NHMUK (2 shells), all from the type locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="19C27CB2103E1169D37C06956C7F1414" pageId="0" pageNumber="39" type="type locality">
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<paragraph id="5BDE69F8B740F01BED9A838359C180A1" pageId="0" pageNumber="39">Type locality.</paragraph>
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<paragraph id="404FBD5C1EDADFFA23FBA4B0760456D7" pageId="0" pageNumber="39">
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Small hill on Pahtaw Pahtet Island (~ 500 m west of Myeik Town), Myeik Township, Tanintharyi Region, Myanmar (
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<geoCoordinate id="0BBA7DF80A4EE7F3F0B7A3BBF1AD2B6E" degrees="12" direction="north" minutes="26" orientation="latitude" precision="1" seconds="3.5" value="12.434305">12°26'3.5"N</geoCoordinate>
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,
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<geoCoordinate id="940CE8798CA4AF3AE0F6AEF2AFB05770" degrees="98" direction="east" minutes="35" orientation="longitude" precision="1" seconds="14.1" value="98.58725">98°35'14.1"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="55734144357486940596E09A68999C47" pageId="0" pageNumber="39" type="diagnosis">
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<paragraph id="C548F0BDFA5D476343C3BCB5553CA5A9" pageId="0" pageNumber="39">Diagnosis.</paragraph>
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<paragraph id="25B1CA83FCBC0558DD014F581A6ED4B3" pageId="0" pageNumber="39">
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<taxonomicName id="586DA39AFC29CC5C531862428C6F9C6D" authorityName="Man & Panha" authorityYear="2022" class="Gastropoda" family="Streptaxidae" genus="Discartemon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discartemon paurodeviatus" order="Stylommatophora" pageId="0" pageNumber="39" phylum="Mollusca" rank="species" species="paurodeviatus">
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<emphasis id="E5F493C845594E534007D454AA988F61" italics="true" pageId="0" pageNumber="39">Discartemon paurodeviatus</emphasis>
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</taxonomicName>
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sp. nov. can be distinguished from
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<taxonomicName id="091EFB506B6E8B3923D3644CEA86AC43" lsidName="D. collingei" pageId="0" pageNumber="39" rank="species" species="collingei">
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<emphasis id="F9C5C74E0DD4E3434752FB94E327F107" italics="true" pageId="0" pageNumber="39">D. collingei</emphasis>
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</taxonomicName>
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(Sykes, 1902) from Malaysia by having a larger shell, rounded last whorl, semi-ovate and slightly reflected aperture, and sometimes supracollumellar lamellae are present. Compared with
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<taxonomicName id="F999B068D23CC6B8178B7468A18A6DBF" lsidName="D. vandermeermohri" pageId="0" pageNumber="39" rank="species" species="vandermeermohri">
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<emphasis id="9D7F3913AA6A872914040BE7BB5C3830" italics="true" pageId="0" pageNumber="39">D. vandermeermohri</emphasis>
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</taxonomicName>
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van Benthem Jutting, 1959 and
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<taxonomicName id="9115B3AAE1CEBE67059E393009C252A1" lsidName="D. mekalostraka" pageId="0" pageNumber="39" rank="species" species="mekalostraka">
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<emphasis id="AD9DFEEF320E74182330B57533B7865D" italics="true" pageId="0" pageNumber="39">D. mekalostraka</emphasis>
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</taxonomicName>
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Siriboon & Panha, 2014 from Thailand, this new species has a slightly extended last whorl from the penultimate whorl, last whorl slightly axially deflected, widely open umbilicus, and semi-ovate aperture. The genital organs of
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<taxonomicName id="1E712BFA58ED8BBD75A15B1E8380EEF7" lsidName="D. paurodeviatus" pageId="0" pageNumber="39" rank="species" species="paurodeviatus">
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<emphasis id="14C98988E1DAB9D979A0F893B30E1A86" italics="true" pageId="0" pageNumber="39">D. paurodeviatus</emphasis>
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</taxonomicName>
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sp. nov. differ from
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<taxonomicName id="53B4D8B4C043FD051108728B669658AD" lsidName="D. mekalostraka" pageId="0" pageNumber="39" rank="species" species="mekalostraka">
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<emphasis id="A11FBD6E29198D954B3A767E81C3B165" italics="true" pageId="0" pageNumber="39">D. mekalostraka</emphasis>
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</taxonomicName>
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by having corrugated atrium without pore, short penis, dense brownish and long slender penial hooks located on penial papillae, and short vagina with thickened and reticulated vaginal folds.
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</paragraph>
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</subSubSection>
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<subSubSection id="A26DA1342660B682FB62A711C5F2D2BD" pageId="0" pageNumber="39" type="description">
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<paragraph id="AA92A907B7B12D478DC17AA692C41411" pageId="0" pageNumber="39">Description.</paragraph>
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<paragraph id="10B269EB1A982232E9327D6F93DB4B94" pageId="0" pageNumber="39">
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Shell globose-heliciform, white and translucent; whorls 6-
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<normalizedToken id="C9657863CC6D154A291ABD062B33479F" originalValue="6½">61/2</normalizedToken>
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; spire conical with distinct suture. Shell surface glossy with fine transverse ridges that diminish below periphery; varices present. Embryonic shell ~
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<normalizedToken id="FB850A57D9A1B156D08D25B076B9249A" originalValue="2½">21/2</normalizedToken>
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whorls with smooth surface; following whorls regularly coiled. Last whorl rounded, little axially deflected and extruded from the penultimate whorl. Aperture semi-ovate; peristome yellowish to whitish, discontinuous, thickened, expanded, and slightly reflected. Apertural dentition with one strong parietal, one small palatal, one large basal, and one small columellar lamella; sometimes with small supracolumellar lamellae. Umbilicus open and deep (Fig.
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<figureCitation id="E8981D1F55CBCDCA997BD1D6848A2782" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. A, B Discartemon tonywhitteni, specimen CUMZ 6264 from Phra (Buddha) Cave, Tanintharyi Region C-E Discartemon paurodeviatus sp. nov. C holotype CUMZ 13002 with apertural dentition and D, E paratypes CUMZ 13003 from the type locality." figureDoi="10.3897/zookeys.1110.85399.figure3" httpUri="https://binary.pensoft.net/fig/710468" pageId="0" pageNumber="39">3C-E</figureCitation>
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).
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</paragraph>
|
|
<paragraph id="D177208A159E9789F659738280A58BA5" pageId="0" pageNumber="39">
|
|
<emphasis id="31EC084C549A593591DC496E212E0D63" bold="true" pageId="0" pageNumber="39">
|
|
<emphasis id="60C33FE90CBEC3B04BA8A03A1DF9DEFB" italics="true" pageId="0" pageNumber="39">Genital organs</emphasis>
|
|
.
|
|
</emphasis>
|
|
Atrium (at) short. Penis (p) long and slender. Penial sheath (ps) very thin, extending entire penis length; penial sheath retractor muscle (psr) very thin, originating at atrium and inserting distally on penial sheath (Fig.
|
|
<figureCitation id="F34AB1B8CD0C8E6ECBFC130036F3FBAB" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Genital anatomy of A, B Discartemon tonywhitteni, specimen CUMZ 13001 A reproductive system and B insertion of vas deferens into penial sheath C, D Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C reproductive system and D insertion of vas deferens into penial sheath." figureDoi="10.3897/zookeys.1110.85399.figure4" httpUri="https://binary.pensoft.net/fig/710469" pageId="0" pageNumber="39">4C</figureCitation>
|
|
). Vas deferens (vd) passes through penial sheath without insertion before entering penis distally (Fig.
|
|
<figureCitation id="003664582F2B55F6E3A4B61C0C0615D4" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Genital anatomy of A, B Discartemon tonywhitteni, specimen CUMZ 13001 A reproductive system and B insertion of vas deferens into penial sheath C, D Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C reproductive system and D insertion of vas deferens into penial sheath." figureDoi="10.3897/zookeys.1110.85399.figure4" httpUri="https://binary.pensoft.net/fig/710469" pageId="0" pageNumber="39">4D</figureCitation>
|
|
). Penial retractor muscle (pr) thin and long, inserting at penis and vas deferens junction.
|
|
</paragraph>
|
|
<paragraph id="44515F61113D710F102A8CAFB6CD1F59" pageId="0" pageNumber="39">
|
|
Internal wall of atrium corrugated with sparse atrial pores (Fig.
|
|
<figureCitation id="BC85718D28258F9D2DFFEEC36D7C43D4" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Internal sculpture of genitalia of Discartemon paurodeviatus sp. nov., paratype 13003 A junction of atrium, vagina, and proximal penis B, C lateral view of penial hooks on proximal part of penis D reticulated arrangement of penial hooks on middle part of penis E lateral view of penial hooks F arrangement of penial hooks on distal part of penis G arrangement of thickened reticulated vaginal folds." figureDoi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39">6A</figureCitation>
|
|
). Penial wall with scattered, very long, slender, and pale brown penial hooks (~ 10 hooks/200
|
|
<normalizedToken id="5A843C860169233D842D6B6D9E51BACD" originalValue="μm">μm</normalizedToken>
|
|
2), hooks located on conical papillae that are separated by distinct reticulated folds (Fig.
|
|
<figureCitation id="76F2A40CF6E5A93E346A8B6032C5D35B" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Internal sculpture of genitalia of Discartemon paurodeviatus sp. nov., paratype 13003 A junction of atrium, vagina, and proximal penis B, C lateral view of penial hooks on proximal part of penis D reticulated arrangement of penial hooks on middle part of penis E lateral view of penial hooks F arrangement of penial hooks on distal part of penis G arrangement of thickened reticulated vaginal folds." figureDoi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39">6C, D</figureCitation>
|
|
). Penial hooks of small size (<0.08 mm in length), slightly expanded and conical at base, tip sharp and directed towards genital orifice (Fig.
|
|
<figureCitation id="131E3FD677E09D19B1691EF99A91EBE9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Internal sculpture of genitalia of Discartemon paurodeviatus sp. nov., paratype 13003 A junction of atrium, vagina, and proximal penis B, C lateral view of penial hooks on proximal part of penis D reticulated arrangement of penial hooks on middle part of penis E lateral view of penial hooks F arrangement of penial hooks on distal part of penis G arrangement of thickened reticulated vaginal folds." figureDoi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39">6B, E, F</figureCitation>
|
|
).
|
|
</paragraph>
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|
<caption id="88F24DB11C38FDC20CC64060DC0B2DDF" doi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39" start="Figure 6" startId="F6">
|
|
<paragraph id="A7854B06CD01E7939DE0CBF8F7DDA6AF" pageId="0" pageNumber="39">
|
|
<emphasis id="BE88FEBE55C331DC2A1878B6AC7B66B2" bold="true" pageId="0" pageNumber="39">Figure 6.</emphasis>
|
|
Internal sculpture of genitalia of
|
|
<taxonomicName id="94FB07325DC93DE54138EF989C56A2AA" authorityName="Man & Panha" authorityYear="2022" class="Gastropoda" family="Streptaxidae" genus="Discartemon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discartemon paurodeviatus" order="Stylommatophora" pageId="0" pageNumber="39" phylum="Mollusca" rank="species" species="paurodeviatus">
|
|
<emphasis id="C35E32A702227EFBF8D3FDB83746CAB4" italics="true" pageId="0" pageNumber="39">Discartemon paurodeviatus</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., paratype 13003
|
|
<emphasis id="AA1E7FF31FF9F1FD3B75703FC6DA1F83" bold="true" pageId="0" pageNumber="39">A</emphasis>
|
|
junction of atrium, vagina, and proximal penis
|
|
<emphasis id="2B5D8F723246CC783914CC96A557E2AA" bold="true" pageId="0" pageNumber="39">B, C</emphasis>
|
|
lateral view of penial hooks on proximal part of penis
|
|
<emphasis id="5599B53609060D82ECA4C6C2438DC7E1" bold="true" pageId="0" pageNumber="39">D</emphasis>
|
|
reticulated arrangement of penial hooks on middle part of penis
|
|
<emphasis id="1018B6716AA1C2A25335BE48AD0FF353" bold="true" pageId="0" pageNumber="39">E</emphasis>
|
|
lateral view of penial hooks
|
|
<emphasis id="14CADA8106226B8A79AB766C89EA636A" bold="true" pageId="0" pageNumber="39">F</emphasis>
|
|
arrangement of penial hooks on distal part of penis
|
|
<emphasis id="C90FF43D854A48F93DA035AB339EC0AE" bold="true" pageId="0" pageNumber="39">G</emphasis>
|
|
arrangement of thickened reticulated vaginal folds.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="95F75C6D5E3C1DDDC84C3F768C863213" pageId="0" pageNumber="39">
|
|
Vagina (v) very short and stout, ~ 1/7 of penis length. Gametolytic duct (gd) a long and slender tube extending as far as albumin gland; gametolytic sac (gs) ovate. Proximal free oviduct (fo) convoluted and distally long and thick, ~ 3 times of vagina length. Oviduct (ov) enlarged and folded; prostate gland inconspicuous and bound to oviduct. Talon (ta) small, short and club shaped. Hermaphroditic duct (hd) bearing short and thickened seminal vesicle (sv) and ca. same length as from talon to branching point of seminal vesicle (Fig.
|
|
<figureCitation id="A5B6FCFD35585CDD0363E776A1436880" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Genital anatomy of A, B Discartemon tonywhitteni, specimen CUMZ 13001 A reproductive system and B insertion of vas deferens into penial sheath C, D Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C reproductive system and D insertion of vas deferens into penial sheath." figureDoi="10.3897/zookeys.1110.85399.figure4" httpUri="https://binary.pensoft.net/fig/710469" pageId="0" pageNumber="39">4C</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph id="224C25D3601E17BEA1FE6AD6A02CE38E" pageId="0" pageNumber="39">
|
|
Vaginal wall generally with thickened reticulated vaginal folds, smooth surface, and vaginal pores present (Fig.
|
|
<figureCitation id="CFAB6557A2198938B9F3113F7EF6E8E0" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Internal sculpture of genitalia of Discartemon paurodeviatus sp. nov., paratype 13003 A junction of atrium, vagina, and proximal penis B, C lateral view of penial hooks on proximal part of penis D reticulated arrangement of penial hooks on middle part of penis E lateral view of penial hooks F arrangement of penial hooks on distal part of penis G arrangement of thickened reticulated vaginal folds." figureDoi="10.3897/zookeys.1110.85399.figure6" httpUri="https://binary.pensoft.net/fig/710471" pageId="0" pageNumber="39">6A, G</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph id="21CB08038D3BBD415448D48EBAFEC680" pageId="0" pageNumber="39">
|
|
<emphasis id="BD8F33AB0726AEE4CD95F374FCECC028" bold="true" pageId="0" pageNumber="39">
|
|
<taxonomicName id="50867120B9B803137EB1F4606EAAAE1E" class="Jungermanniopsida" family="Radulaceae" genus="Radula" kingdom="Plantae" lsidName="Radula" order="Porellales" pageId="0" pageNumber="39" phylum="Marchantiophyta" rank="genus">
|
|
<emphasis id="A952CC3D55442E10597F60840CA4766E" italics="true" pageId="0" pageNumber="39">Radula</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</emphasis>
|
|
Each row consists of ~ 21-33 teeth with formula (16-10)-1-(10-16). Central tooth small with pointed cusp. Lateral and marginal teeth largest and undifferentiated, unicuspidal, and lanceolate. Latero-marginal teeth rapidly reducing in size, with outermost teeth much smaller and shorter than inner teeth (Fig.
|
|
<figureCitation id="8D5957816C42A8A29102D94F25914B4A" captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Radula of specimens A Discartemon tonywhitteni, paratype CUMZ 13001 B Discartemon paurodeviatus sp. nov., paratype CUMZ 13003 C Haploptychius heliakosus sp. nov., paratype CUMZ 13014 D Carinartemis exacutus, specimen CUMZ 13021 E, F Carinartemis sankeyi, specimen CUMZ 13029 E overview of radula and F high magnification of central teeth." figureDoi="10.3897/zookeys.1110.85399.figure24" httpUri="https://binary.pensoft.net/fig/710489" pageId="0" pageNumber="39">24B</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="678E29FD7ED8E2FB9D34E5A7BAD29E2C" pageId="0" pageNumber="39" type="etymology">
|
|
<paragraph id="2237F8F6C94789606DAFC2BC52F86B88" pageId="0" pageNumber="39">Etymology.</paragraph>
|
|
<paragraph id="C8BC92021DD115B46879822542093C90" pageId="0" pageNumber="39">
|
|
The specific name
|
|
<emphasis id="2A267E8CBE8354513944D896DAC380C7" italics="true" pageId="0" pageNumber="39">paurodeviatus</emphasis>
|
|
is derived from the Greek word
|
|
<emphasis id="F9F88D5E4F1776ABBC71AB5304E697DC" italics="true" pageId="0" pageNumber="39">pauros</emphasis>
|
|
meaning little or few and the Latin word
|
|
<emphasis id="DF0F5A8F114AC5D89E94D39C3F827304" italics="true" pageId="0" pageNumber="39">devius</emphasis>
|
|
meaning out of the way. It refers to the last whorl of the new species as being slightly axially deflected and extruded from the penultimate whorl.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="4C1B184187E9B0038230E5FD5EC90D6A" pageId="0" pageNumber="39" type="distribution">
|
|
<paragraph id="2B6C0BBD15329EE24F78D0CB1111A26E" pageId="0" pageNumber="39">Distribution.</paragraph>
|
|
<paragraph id="1E144BC6694CE0A42C3D923C3AF2D7C6" pageId="0" pageNumber="39">
|
|
The species is only known from the type locality in southern Myanmar (Fig.
|
|
<figureCitation id="4CA34E4B9E00EFFC7C791BDF86C008CC" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Approximate sampling locations used in this study. The location name and coordinates are listed in Table 1. Historical type localities of a broad scale, such as Tavoy, Burma, Moulmein, Mergui, and Tenasserim, are not indicated on this map." figureDoi="10.3897/zookeys.1110.85399.figure1" httpUri="https://binary.pensoft.net/fig/710466" pageId="0" pageNumber="39">1</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="8DFABCBFACEE93323603B66017C57F7F" pageId="0" pageNumber="39" type="remarks">
|
|
<paragraph id="F6FFD7BF85D99D65C45CDDE62DF9AF06" pageId="0" pageNumber="39">Remarks.</paragraph>
|
|
<paragraph id="BC2F6BDB6AE2986EB3B59C6FAB1B72B8" pageId="0" pageNumber="39">
|
|
Variation occurs in the possession of supracolumellar lamellae in some specimens. Currently, two species of
|
|
<taxonomicName id="71B5441871108A1AD38C0F3B708ED868" authorityName="Pfeiffer" authorityYear="1856" class="Gastropoda" family="Streptaxidae" genus="Discartemon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discartemon" order="Stylommatophora" pageId="0" pageNumber="39" phylum="Mollusca" rank="genus">
|
|
<emphasis id="AC4CFA9960B641075C8DDCF1D672EBF6" italics="true" pageId="0" pageNumber="39">Discartemon</emphasis>
|
|
</taxonomicName>
|
|
(
|
|
<taxonomicName id="74A7BC495A14A4D00DB858C97513EC02" lsidName="D. paurodeviatus" pageId="0" pageNumber="39" rank="species" species="paurodeviatus">
|
|
<emphasis id="3AA26495A575FB3E716D4409AACEF44B" italics="true" pageId="0" pageNumber="39">D. paurodeviatus</emphasis>
|
|
</taxonomicName>
|
|
sp. nov. and
|
|
<taxonomicName id="F41923E9557427BBE13B0ADF204A0B5D" lsidName="D. tonywhitteni" pageId="0" pageNumber="39" rank="species" species="tonywhitteni">
|
|
<emphasis id="9A16715C49E5CEA039D2B6F520ED222F" italics="true" pageId="0" pageNumber="39">D. tonywhitteni</emphasis>
|
|
</taxonomicName>
|
|
) have been recognized from Myanmar (
|
|
<bibRefCitation id="DAC6FB2284686021CE8E77A411052C74" author="Sutcharit, C" journalOrPublisher="Zoological Journal of the Linnean Society" pageId="0" pageNumber="39" refId="B83" refString="Sutcharit, C, Lin, A, Panha, S, 2020. Two new species of the carnivorous snail genus Discartemon from Thailand and Myanmar (Eupulmonata: Streptaxidae). The Raffles Bulletin of Zoology (Supplement No. 35): 149-155." title="Two new species of the carnivorous snail genus Discartemon from Thailand and Myanmar (Eupulmonata: Streptaxidae). The Raffles Bulletin of Zoology (Supplement No. 35): 149 - 155." year="2020">Sutcharit et al. 2020</bibRefCitation>
|
|
). These two species are noticeably different in shell morphology and internal structure of genitalia and found in distant localities from each other.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |