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<document ID-CLB-Dataset="269781" ID-DOI="http://dx.doi.org/10.3897/zookeys.1181.109462" ID-GBIF-Dataset="99ea985f-f6d2-4800-b94a-9f13d5c91c78" ID-PMC="PMC10556878" ID-Pensoft-Pub="1313-2970-1181-9" ID-Pensoft-UUID="45791F8B244451F789151DD914B0241B" ID-PubMed="37810461" ID-ZooBank="E13F88C6779744FD828A3D9E4FF38475" ModsDocID="1313-2970-1181-9" checkinTime="1695979673491" checkinUser="pensoft" docAuthor="Ma, Shun, Xu, Yu-Hao, Qi, Shuo, Wang, Ying-Yong, Tang, Shan-Shan, Huang, Song &amp; Jiang, Jian-Ping" docDate="2023" docId="903D9271AA1B5936B194115111BEC5E4" docLanguage="en" docName="ZooKeys 1181: 9-27" docOrigin="ZooKeys 1181" docPubDate="2023-09-28" docSource="http://dx.doi.org/10.3897/zookeys.1181.109462" docTitle="Achalinus sheni Ma &amp; Xu &amp; Qi &amp; Wang &amp; Tang &amp; Huang &amp; Jiang 2023, sp. nov." docType="treatment" docUuid="7FBF50AF-C1D8-46C6-8B66-A5805598AFF8" docUuidSource="ZooBank" docVersion="5" id="45791F8B244451F789151DD914B0241B" lastPageNumber="9" masterDocId="45791F8B244451F789151DD914B0241B" masterDocTitle="Discovery of a new cryptic Achalinus Peters, 1869 (Serpentes, Xenodermidae) species from Hunan Province, China" masterLastPageNumber="27" masterPageNumber="9" pageNumber="9" updateTime="1732485433416" updateUser="ExternalLinkService">
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<mods:title id="B7B9CC28615BCC6F3E03F854A1A1CF8E">Discovery of a new cryptic Achalinus Peters, 1869 (Serpentes, Xenodermidae) species from Hunan Province, China</mods:title>
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<mods:namePart id="EB5BD5A77F542E112EAA781CAD2479EC">Ma, Shun</mods:namePart>
<mods:affiliation id="87BC662A88B72E217045AF49CFE08BB1">Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China &amp; University of Chinese Academy of Science, Beijing 100049, China</mods:affiliation>
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<mods:namePart id="6DDC77D2C3F9BBCC369303BBC938619D">Xu, Yu-Hao</mods:namePart>
<mods:nameIdentifier id="F3E89C7B0C525CC6601E72D1D9647377" type="ORCID">https://orcid.org/0000-0001-6094-6680</mods:nameIdentifier>
<mods:affiliation id="95BA3992DBBD3A945D1C2AF2E723000E">School of Life Sciences, Anhui Agricultural University, Hefei 230036, China &amp; Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China</mods:affiliation>
</mods:name>
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<mods:namePart id="FF7846E36D171DD4469521E6A4C8752D">Qi, Shuo</mods:namePart>
<mods:nameIdentifier id="B71CAF30C934993D2B6A3C67CF01D5C2" type="ORCID">https://orcid.org/0000-0002-2924-6093</mods:nameIdentifier>
<mods:affiliation id="6B95FB59623E17A59CAC4CBDF220CE86">State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
</mods:name>
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<mods:namePart id="176517338E268892673EBAB3AC051CFA">Wang, Ying-Yong</mods:namePart>
<mods:affiliation id="98FF2B84698B65801B0EC19C24E08E4A">State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
</mods:name>
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<mods:namePart id="4103AEDC7F2D5FCBC8359103F6904947">Tang, Shan-Shan</mods:namePart>
<mods:affiliation id="E68253E74FBFD5D7A13DA8EC4E1C338E">Hunan Institute of Agricultural Information and Engineering, Changsha 410125, China</mods:affiliation>
</mods:name>
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<mods:namePart id="B3CFC197ABCD7D42FCCFC7F838C43AC1">Huang, Song</mods:namePart>
<mods:affiliation id="C67E4AE7CD48ADB875A880BACFA0F569">Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China</mods:affiliation>
<mods:nameIdentifier id="8DFA3F49E64D322070A1E676263D97BE" type="email">snakeman@sinoophis.com</mods:nameIdentifier>
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<mods:namePart id="5ED1F97B2DA2A8FC0D9ED26B2BAC6D84">Jiang, Jian-Ping</mods:namePart>
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<mods:affiliation id="CA41A030BC366AD4A134FF7CF2160C41">Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China &amp; University of Chinese Academy of Science, Beijing 100049, China</mods:affiliation>
<mods:nameIdentifier id="24CAF18F5B2C63A3507E5513157164F1" type="email">jiangjp@cib.ac.cn</mods:nameIdentifier>
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<mods:date id="A7C9C42BA720B7CA5B18EDBA47B6E753">2023</mods:date>
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<treatment id="903D9271AA1B5936B194115111BEC5E4" ID-GBIF-Taxon="213625355" LSID="urn:lsid:zoobank.org:act:7FBF50AF-C1D8-46C6-8B66-A5805598AFF8" httpUri="http://treatment.plazi.org/id/903D9271AA1B5936B194115111BEC5E4" lastPageNumber="9" pageId="0" pageNumber="9" scope_family="Xenodermidae">
<subSubSection id="AE975873A727DFDDC0141AE442CDF490" pageId="0" pageNumber="9" type="nomenclature">
<paragraph id="A2EBFCFF6A7C75FF27B89EE308D77068" pageId="0" pageNumber="9">
<taxonomicName id="F0EE1DF1A91802714DE9613E912618F2" ID-CoL="C6B6M" LSID="https://zoobank.org/7FBF50AF-C1D8-46C6-8B66-A5805598AFF8" authority="Ma &amp; Xu &amp; Qi &amp; Wang &amp; Tang &amp; Huang &amp; Jiang, 2023" authorityName="Ma &amp; Xu &amp; Qi &amp; Wang &amp; Tang &amp; Huang &amp; Jiang" authorityYear="2023" class="Reptilia" family="Xenodermidae" genus="Achalinus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Achalinus sheni" order="Squamata" pageId="0" pageNumber="9" phylum="Chordata" rank="species" species="sheni" status="sp. nov.">Achalinus sheni</taxonomicName>
<taxonomicNameLabel id="F2EF73FB72A8788A1B853CDC3121F129" pageId="0" pageNumber="9">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="E9508B407AC651E00F4B76D309A13ACD" pageId="0" pageNumber="9" type="description">
<paragraph id="85B8EFB72779A0D410B11A9556CD816A" pageId="0" pageNumber="9">
<figureCitation id="20C9D5E23E24F180FF164A3F69061338" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Holotype (ANU 20230014, adult male) of Achalinus sheni sp. nov. A dorsolateral view B ventral view C right side of middle body view D light side of head view E right side of head view F dorsal head view G ventral head view. Photos by Yu-Hao Xu." figureDoi="10.3897/zookeys.1181.109462.figure3" httpUri="https://binary.pensoft.net/fig/913765" pageId="0" pageNumber="9">Figs 3</figureCitation>
<figureCitation id="51923BF0CDC77E6E68FD4550C5FAAA6A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Paratypes of A. sheni sp. nov. A ANU 20230012 (adult male) B ANU 20230013 (adult male) C ANU 20230015 (subadult male) D CIB 119043 (juvenile male). A-C photos by Yu-Hao Xu, D 1 and D 2 photos by Ke-Ji Guo, D 3 and D 4 photos by Sheng-Chao Shi." figureDoi="10.3897/zookeys.1181.109462.figure4" httpUri="https://binary.pensoft.net/fig/913766" pageId="0" pageNumber="9">, 4</figureCitation>
<figureCitation id="A49297B2BE4CA76C5C12E5E98F45833B" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Paratype (ANU 20230013, adult male) of A. sheni sp. nov in life. Photos by Yu-Hao Xu." figureDoi="10.3897/zookeys.1181.109462.figure5" httpUri="https://binary.pensoft.net/fig/913767" pageId="0" pageNumber="9">, 5</figureCitation>
<figureCitation id="AC7971121DBADC52B8D11647B717DE84" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Scalation and colouration comparisons between Achalinus sheni sp. nov. and A. yunkaiensis A A. sheni sp. nov. (ANU 20230014, adult male), A 1 - A 4 photos by Yu-Hao Xu B A. sheni sp. nov. (CIB 119043, juvenile male), B 1 - B 2 photos by Ke-Ji Guo and B 3 - B 4 photos by Sheng-Chao Shi C A. yunkaiensis (SYS r 001443, adult male): C 1 - C 4 photos by Shuo Qi. Line illustration (A 5, B 5 and C 5) by Jie-Fang Chen." figureDoi="10.3897/zookeys.1181.109462.figure6" httpUri="https://binary.pensoft.net/fig/913768" pageId="0" pageNumber="9">, 6</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="DCAB3F8855B58E1A85DE914BC5FE4760" pageId="0" pageNumber="9" type="chresonymy">
<paragraph id="75C52F797FF94F73C379B9A93F0AA577" pageId="0" pageNumber="9">Chresonymy.</paragraph>
<paragraph id="4ED34663D43057F04B61F14613D02689" pageId="0" pageNumber="9">
<taxonomicName id="7E84A7062765E53FB119EF1D8BBEAA9F" authorityName="Peters" authorityYear="1869" class="Reptilia" family="Xenodermidae" genus="Achalinus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Achalinus spinalis" order="Squamata" pageId="0" pageNumber="9" phylum="Chordata" rank="species" species="spinalis">
<emphasis id="F9772744DF7E5C249602087F4446849E" italics="true" pageId="0" pageNumber="9">Achalinus spinalis</emphasis>
</taxonomicName>
:
<bibRefCitation id="0542DBA84227687263CEBB4B8684358B" author="Li, ZS" journalOrPublisher="Smithsonian Herpetological Information Service" pageId="0" pageNumber="9" refId="B18" refString="Li, ZS, Mo, JW, Gu, YL, Liu, S, Fei, DB, Yang, DD, 2010. Investigation and analysis on amphibian and reptile resources in Nanyue Hengshan National Reserve. Hunan Forestry Science &amp; Technology 37(1): 20-23, 29. [In Chinese with English abstract]" title="Investigation and analysis on amphibian and reptile resources in Nanyue Hengshan National Reserve. Hunan Forestry Science &amp; Technology 37 (1): 20 - 23, 29. [In Chinese with English abstract]" year="2010">Li et al. (2010)</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="E13EDC427D6F19324C31BA4B0598D3D1" pageId="0" pageNumber="9" type="type material">
<paragraph id="F8AAFF6C3B3B314AE12A214B31338E96" pageId="0" pageNumber="9">Type material.</paragraph>
<paragraph id="B1206C175E168BFBDE8F871DEB51AFF0" pageId="0" pageNumber="9">
<emphasis id="014ED6C88EEE3CAF75BCD0515FF8F055" bold="true" pageId="0" pageNumber="9">
<emphasis id="CEE74B6F1A250D171BF4AFE24D06593F" italics="true" pageId="0" pageNumber="9">Holotype</emphasis>
.
</emphasis>
ANU20230014 (field number HSR23019, Fig.
<figureCitation id="F525FE5CD6A2C52541F4BFD6F667D4A5" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Holotype (ANU 20230014, adult male) of Achalinus sheni sp. nov. A dorsolateral view B ventral view C right side of middle body view D light side of head view E right side of head view F dorsal head view G ventral head view. Photos by Yu-Hao Xu." figureDoi="10.3897/zookeys.1181.109462.figure3" httpUri="https://binary.pensoft.net/fig/913765" pageId="0" pageNumber="9">3</figureCitation>
), an adult male, collected on 21 March 2023 (
<geoCoordinate id="4275A28BCD795936501C4931C279FCE3" degrees="27" direction="north" minutes="55" orientation="latitude" precision="15" seconds="11" value="27.919722">27°5511″N</geoCoordinate>
,
<geoCoordinate id="C085D68641022B02736997185C8CBE28" degrees="111" direction="east" minutes="55" orientation="longitude" precision="15" seconds="3" value="111.917496">111°553″E</geoCoordinate>
; 408 m a. s. l.), Qixingjie Town, Lianyuan City, Hunan Province, China by the team of Song Huang.
</paragraph>
<paragraph id="AF1349A9BDC8B133B80CC4EA46D25A4F" pageId="0" pageNumber="9">
<emphasis id="BB78011538C21DC43C00F57FBE250490" bold="true" pageId="0" pageNumber="9">
<emphasis id="113D73FE2CBD5CDD0F26ABD1D680E917" italics="true" pageId="0" pageNumber="9">Paratypes</emphasis>
.
</emphasis>
Three males, ANU20230012 (field number HSR23011, Fig.
<figureCitation id="929BEAC35D65B0428BC1051D18E1B379" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Paratypes of A. sheni sp. nov. A ANU 20230012 (adult male) B ANU 20230013 (adult male) C ANU 20230015 (subadult male) D CIB 119043 (juvenile male). A-C photos by Yu-Hao Xu, D 1 and D 2 photos by Ke-Ji Guo, D 3 and D 4 photos by Sheng-Chao Shi." figureDoi="10.3897/zookeys.1181.109462.figure4" httpUri="https://binary.pensoft.net/fig/913766" pageId="0" pageNumber="9">4A</figureCitation>
), ANU20230013 (field number HSR23012, Figs
<figureCitation id="8092248A3204E4D00EEC3305F18A2FC9" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Paratypes of A. sheni sp. nov. A ANU 20230012 (adult male) B ANU 20230013 (adult male) C ANU 20230015 (subadult male) D CIB 119043 (juvenile male). A-C photos by Yu-Hao Xu, D 1 and D 2 photos by Ke-Ji Guo, D 3 and D 4 photos by Sheng-Chao Shi." figureDoi="10.3897/zookeys.1181.109462.figure4" httpUri="https://binary.pensoft.net/fig/913766" pageId="0" pageNumber="9">4B</figureCitation>
,
<figureCitation id="ACA4D7108348AB977931D479312AE7BE" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Paratype (ANU 20230013, adult male) of A. sheni sp. nov in life. Photos by Yu-Hao Xu." figureDoi="10.3897/zookeys.1181.109462.figure5" httpUri="https://binary.pensoft.net/fig/913767" pageId="0" pageNumber="9">5</figureCitation>
), ANU20230015 (subadult male, field number HSR23020, Fig.
<figureCitation id="8E80568BE6D1EC66389F089A1B3C054D" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Paratypes of A. sheni sp. nov. A ANU 20230012 (adult male) B ANU 20230013 (adult male) C ANU 20230015 (subadult male) D CIB 119043 (juvenile male). A-C photos by Yu-Hao Xu, D 1 and D 2 photos by Ke-Ji Guo, D 3 and D 4 photos by Sheng-Chao Shi." figureDoi="10.3897/zookeys.1181.109462.figure4" httpUri="https://binary.pensoft.net/fig/913766" pageId="0" pageNumber="9">4C</figureCitation>
), with the same collecting information as the holotype; CIB 119043, a juvenile male, collected on 20 October 2015 by Bing Zhou and Shanshan Tang from Shumuyuan, Nanyue District, Hunan Province, China (
<geoCoordinate id="890CD5B0EB2B860F6E901E5C32F7DB34" degrees="27" direction="north" minutes="15" orientation="latitude" precision="15" seconds="59" value="27.266388">27°1559″N</geoCoordinate>
,
<geoCoordinate id="166EDFDEC00C57A273ACC5F74849B372" degrees="112" direction="east" minutes="43" orientation="longitude" precision="15" seconds="15" value="112.72083">112°4315″E</geoCoordinate>
; 358 m a.s.l., Fig.
<figureCitation id="C5E676ABCBE4176192982B08A817F5C1" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Paratypes of A. sheni sp. nov. A ANU 20230012 (adult male) B ANU 20230013 (adult male) C ANU 20230015 (subadult male) D CIB 119043 (juvenile male). A-C photos by Yu-Hao Xu, D 1 and D 2 photos by Ke-Ji Guo, D 3 and D 4 photos by Sheng-Chao Shi." figureDoi="10.3897/zookeys.1181.109462.figure4" httpUri="https://binary.pensoft.net/fig/913766" pageId="0" pageNumber="9">4D</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="CE9E4A90FD5CF5412904ADFE78E5D305" pageId="0" pageNumber="9" type="etymology">
<paragraph id="D037C6785BC1B06A9B454E590E598491" pageId="0" pageNumber="9">Etymology.</paragraph>
<paragraph id="D735AB469AC0B01BB805AA5911ABFAC4" pageId="0" pageNumber="9">
The species name &quot;
<taxonomicName id="35E67B21641AC3A0FE07A838A631ABD8" authorityName="Ma &amp; Xu &amp; Qi &amp; Wang &amp; Tang &amp; Huang &amp; Jiang" authorityYear="2023" class="Reptilia" family="Xenodermidae" genus="Achalinus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Achalinus sheni" order="Squamata" pageId="0" pageNumber="9" phylum="Chordata" rank="species" species="sheni">
<emphasis id="67CBD708CF33355D288B26B6BA286C99" italics="true" pageId="0" pageNumber="9">Achalinus sheni</emphasis>
</taxonomicName>
&quot; is named for the memories of the Chinese herpetologist, Prof. You-Hui Shen (沈猷慧), who worked in Hunan Normal University and made great contributions to the herpetological research of China, particularly in Hunan Province where the new species is found. We suggest
<normalizedToken id="AB4F5F95CF14C3AC196C2704413C1DCE" originalValue="“Shens">&quot;Shen's</normalizedToken>
Odd-scale Snake&quot; or
<normalizedToken id="60776449541E81778DCF807536E4302A" originalValue="“Shens">&quot;Shen's</normalizedToken>
Burrowing Snake&quot; as its English name and
<normalizedToken id="96CB7F0242DA0BD5D718C808ACF8B8CA" originalValue="“沈氏脊蛇”">&quot;沈氏脊蛇&quot;</normalizedToken>
(
<normalizedToken id="150FA94BB2CFF127298DFFE3ECE1ED6A" originalValue="Shěn">Shen</normalizedToken>
<normalizedToken id="1CBE7CF11BDE311E35731EB9643102A6" originalValue="Shì">Shi</normalizedToken>
<normalizedToken id="DB261002495F2B5A8654D68F60740F2F" originalValue="Jǐ"></normalizedToken>
<normalizedToken id="F6E32552B1DF1DDB646360BE611206FF" originalValue="Shé">She</normalizedToken>
) as its Chinese name.
</paragraph>
</subSubSection>
<subSubSection id="AF2756221EE5946DF9A4150B9A6143C1" pageId="0" pageNumber="9" type="diagnosis">
<paragraph id="4E10D2A782F5668A5940946C907724CE" pageId="0" pageNumber="9">Diagnosis.</paragraph>
<paragraph id="CA0E1C0D517B1D688BD21293DFEA571A" pageId="0" pageNumber="9">(1) dorsal scales strongly keeled, 23 rows throughout the body, the outmost row smooth and significantly enlarged; (2) tail relatively short, TaL/TL 0.183 ~ 0.224; (3) the suture between internasals subequal to the suture between prefrontals; (4) loreal one, subrectangular, LorH/LorL 0.53 ~ 0.57; (5) ventrals 161-170, anal entire, subcaudals 55-61, not paired; (6) the length of supraocular equal to or longer than the length of upper anterior temporal; (7) vertebral line inconspicuous and subcaudal streak absent.</paragraph>
</subSubSection>
<subSubSection id="674239FBB5A320DC640472812E07B135" pageId="0" pageNumber="9" type="description">
<paragraph id="999478BC4DAD60F74554FF241E928E72" pageId="0" pageNumber="9">Description of holotype.</paragraph>
<paragraph id="758FD663FD8F82A398998E1E2320569A" pageId="0" pageNumber="9">An adult male with a total length of 371.3 mm (SVL 292.2 mm and TaL 79.1 mm); tail relatively short, Tal/TL 0.213; body slender, cylindrical; head length (HL) 10.74 mm, head width 5.13 mm, HL/HW 2.09, slightly distinct from neck; eye small, ED 1.25 mm, with an oval pupil; maxillary teeth 21. Rostral small, triangular, only the upper tip visible from above. Length of the suture between the internasals (LSBI 1.38 mm) subequal to the length of the suture between the prefrontals (LSBP 1.36 mm). Nostril in the anterior part of the nasal. Loreal one, subrectangular, loreal height (LorH) 0.85 mm, loreal length (LorL) 1.49 mm, LorH/LorL 0.57. Frontal one, pentagonal, pointed backwards, much shorter than the parietals. Parietals paired. No preoculars and postoculars. Supraocular one, length of supraocular (SPOL 1.59 mm) longer than the length of upper anterior temporal (ATUL 1.42 mm, SPOL/ATUL 1.12). Temporals 2+2+3, the anterior two contact the eye, the lower anterior temporal much larger, the upper medium temporal much larger, the upper posterior temporal much larger and separated from the other side one by one scale. Supralabials 6, 4th-5th contact the eye, the last one much elongated. One mental. Two chin shields, the anterior pairs longer than the posterior pairs. Infralabials 5, the first one contact with each other after the mental and before the 1st chin shields, 1st-3rd touch the 1st chin shields.</paragraph>
<paragraph id="EBC88A2E171294D77AA550BD894EAC39" pageId="0" pageNumber="9">Dorsal scales strongly keeled, 23 rows throughout the body, the outmost row smooth and significantly enlarged. Ventrals 161; anal entire; subcaudals 60, not paired.</paragraph>
</subSubSection>
<subSubSection id="EACA9274BB64C96137BE816393771BA9" pageId="0" pageNumber="9" type="colouration of holotype in life">
<paragraph id="3AEDBBA003973CB411C5C61B64F3795A" pageId="0" pageNumber="9">Colouration of holotype in life.</paragraph>
<paragraph id="4682A0F50E90302FE245D335F016B9FA" pageId="0" pageNumber="9">Scales tinged weakly iridescent and metallic lustre. Dorsum dark brown and the five innermost dorsal scale rows a little darker, forming an inconspicuous longitudinal vertebral line. Chin shields are tan. Ventrals generally light brown, darker on both sides, free margins of ventral scales greyish-white. Ventral side of tail brownness.</paragraph>
</subSubSection>
<subSubSection id="083BBE238C513AC864CF9302E165F37F" pageId="0" pageNumber="9" type="colouration of holotype in preservation">
<paragraph id="08C0C6EDBFA6DC1E5943DA20B8BA6235" pageId="0" pageNumber="9">Colouration of holotype in preservation.</paragraph>
<paragraph id="ABD4205F38A48E43390579F0DE5DC14E" pageId="0" pageNumber="9">The dorsal surface of the body uniformly brownish-black, slightly tinged with iridescence and the longitudinal vertebral line a little darker. Chin shields light brown. Ventrals generally creamy-brown, darker on both sides, free margins of ventral scales greyish-white. Ventral side of tail light brown.</paragraph>
</subSubSection>
<subSubSection id="0C79855BBB86EAE1ED335517873A02A9" pageId="0" pageNumber="9" type="variation">
<paragraph id="4EF29679E0BEB874CF50F433A8BE75AB" pageId="0" pageNumber="9">Variation.</paragraph>
<paragraph id="9EAC5386FC69BCBD4112FB1D120CB97D" pageId="0" pageNumber="9">
Measurements, body proportions and scale counts are listed in Table
<tableCitation id="05414316C46501B95331C963FD856B02" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Main morphological characters of Achalinus sheni sp. nov." httpUri="http://table.plazi.org/id/4FC5DC47F8065D94BCD32B6609B79C4A" pageId="0" pageNumber="9" tableUuid="4FC5DC47F8065D94BCD32B6609B79C4A">3</tableCitation>
. All paratypes are very similar to the holotype, except in the following: (1) paratype ANU20230004 has six infralabials on the left side; (2) relatively shorter supraoculars (SPOL/ATUL): ANU20230012: 1.03, ANU 20230013: 0.99, ANU20230004: 1.01; (3) more ventrals: ANU 20230013: 166, CIB 119043: 170; (4) less subcaudals: ANU 20230013: 57, ANU20230015: 58, CIB 119043: 55; (5) dorsum dark brown, venter greyish-white, both sides of ventral scales are taupe and ventral view of tail light grey in both subadult male ANU20230015 and juvenile male CIB 119043.
</paragraph>
</subSubSection>
<subSubSection id="E7415AF9FDB8D2B2466D82D112DD5B50" pageId="0" pageNumber="9" type="distribution">
<paragraph id="3A72928A331917312D2CB73BDF423F8F" pageId="0" pageNumber="9">Distribution and habits.</paragraph>
<paragraph id="7894662217B6D9F69761E2D83E36376E" pageId="0" pageNumber="9">
<taxonomicName id="1AB2F2946005BDAC938DCC35B93E827C" authorityName="Ma &amp; Xu &amp; Qi &amp; Wang &amp; Tang &amp; Huang &amp; Jiang" authorityYear="2023" class="Reptilia" family="Xenodermidae" genus="Achalinus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Achalinus sheni" order="Squamata" pageId="0" pageNumber="9" phylum="Chordata" rank="species" species="sheni">
<emphasis id="E905792AC28FBA33FD9F0ADD0B343BB2" italics="true" pageId="0" pageNumber="9">Achalinus sheni</emphasis>
</taxonomicName>
sp. nov. is currently only known from Hunan Province, China: Lianyuan City and Nanyue District (350-410 m a.s.l.). The native vegetation in the type locality is subtropical evergreen broad-leaved forests. Areas near the locality where the specimen CIB 119043 was collected is largely covered with artificial coniferous forest dominated by
<taxonomicName id="0B72345B91BF9AC3521F5E0143014889" class="Insecta" family="Erebidae" genus="Cryptomeria" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Cryptomeria" order="Lepidoptera" pageId="0" pageNumber="9" phylum="Arthropoda" rank="genus">
<emphasis id="175B79124C9CB468FF065E4E9F8372DD" italics="true" pageId="0" pageNumber="9">Cryptomeria</emphasis>
</taxonomicName>
spp. This new
<normalizedToken id="A7982A256D53FF887B28FBCA0F961445" originalValue="species">species'</normalizedToken>
population status requires further investigation. The conservation status for the new species is recommended to rate as data deficient (DD).
</paragraph>
</subSubSection>
</treatment>
</document>