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<document ID-DOI="http://dx.doi.org/10.3897/vz.72.e80019" ID-GBIF-Dataset="574d4a22-42bb-4f6c-8e2d-6d49f9a2766d" ID-Pensoft-Pub="2625-8498-72-495" ID-Pensoft-UUID="218D013821E75A06B266110EB2A38790" ID-ZooBank="0B2305D45FE6489CAE3647BC0D25147B" ModsDocID="2625-8498-72-495" checkinTime="1656747396186" checkinUser="pensoft" docAuthor="Lyu, Zhi-Tong, Wang, Jian, Zeng, Zhao-Chi, Luo, Lin, Zhang, Yan-Wu, Guo, Chun-Peng, Ren, Jin-Long, Qi, Shuo, Mo, Yun-Ming &amp; Wang, Ying-Yong" docDate="2022" docId="0F6484DEEBB85FEAA4E6B11DFA8FD882" docLanguage="en" docName="VertZool 72: 495-512" docOrigin="Vertebrate Zoology 72" docPubDate="2022-07-01" docSource="http://dx.doi.org/10.3897/vz.72.e80019" docTitle="Occidozyga lingnanica Lyu &amp; Wang 2022, sp. nov." docType="treatment" docUuid="064C120B-3811-42D8-9550-0231528D723C" docUuidSource="ZooBank" docVersion="2" id="218D013821E75A06B266110EB2A38790" lastPageNumber="495" masterDocId="218D013821E75A06B266110EB2A38790" masterDocTitle="Taxonomic clarifications on the floating frogs (Anura: Dicroglossidae: Occidozyga sensu lato) in southeastern China" masterLastPageNumber="512" masterPageNumber="495" pageNumber="495" updateTime="1656748013256" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Taxonomic clarifications on the floating frogs (Anura: Dicroglossidae: Occidozyga sensu lato) in southeastern China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lyu, Zhi-Tong</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-4891-3859</mods:nameIdentifier>
<mods:affiliation>State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, PR China</mods:affiliation>
<mods:nameIdentifier type="email">lvzht@foxmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wang, Jian</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4249-7767</mods:nameIdentifier>
<mods:affiliation>State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zeng, Zhao-Chi</mods:namePart>
<mods:affiliation>State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Luo, Lin</mods:namePart>
<mods:affiliation>Shenzhen Administrative Bureau for Wildlife and Forest Plants Protection, Shenzhen 518048, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Yan-Wu</mods:namePart>
<mods:affiliation>Shenzhen Administrative Bureau for Wildlife and Forest Plants Protection, Shenzhen 518048, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Guo, Chun-Peng</mods:namePart>
<mods:affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ren, Jin-Long</mods:namePart>
<mods:affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Qi, Shuo</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2924-6093</mods:nameIdentifier>
<mods:affiliation>State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Mo, Yun-Ming</mods:namePart>
<mods:affiliation>Natural History Museum of Guangxi, Nanning 530012, PR China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wang, Ying-Yong</mods:namePart>
<mods:affiliation>State Key Laboratory of Biocontrol / The Museum of Biology, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, PR China</mods:affiliation>
<mods:nameIdentifier type="email">wangyy@mail.sysu.edu.cn</mods:nameIdentifier>
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<mods:title>Vertebrate Zoology</mods:title>
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<mods:date>2022</mods:date>
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<mods:number>2022-07-01</mods:number>
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<mods:number>72</mods:number>
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<mods:classification>journal article</mods:classification>
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<subSection pageId="0" pageNumber="495" type="discussion">
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<subSubSection pageId="0" pageNumber="495" type="nomenclature">
<paragraph pageId="0" pageNumber="495">
<taxonomicName LSID="https://zoobank.org/064C120B-3811-42D8-9550-0231528D723C" authority="Lyu &amp; Wang" authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica" status="sp. nov.">Occidozyga lingnanica Lyu &amp; Wang</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="495">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="reference_group">
<paragraph pageId="0" pageNumber="495">
<taxonomicName authority="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang, 2022" authorityName="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Ooeidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ooeidozyga laevis subsp. martensi" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="subSpecies" species="laevis" status="sp. nov." subSpecies="martensi">Ooeidozyga laevis martensi</taxonomicName>
-
<bibRefCitation author="Pope, CH" journalOrPublisher="Bulletin of the American Museum of Natural History" pageId="0" pageNumber="495" pagination="397 - 611" refId="B38" refString="Pope, CH, 1931. Notes on amphibians from Fukien, Hainan and other parts of China. Bulletin of the American Museum of Natural History 61: 397 - 611" title="Notes on amphibians from Fukien, Hainan and other parts of China." volume="61" year="1931">Pope 1931</bibRefCitation>
; Liu &amp; Hu 1961
</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authority="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang, 2022" authorityName="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga martensii" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="martensii" status="sp. nov.">Occidozyga martensii</taxonomicName>
-
<bibRefCitation author="Fei, L" journalOrPublisher="Current Herpetology" pageId="0" pageNumber="495" refId="B12" refString="Fei, L, Ye, CY, Huang, YZ, 1990. Key to Chinese Amphibians. Publishing House for Scientific and Technological Literature, Chongqing, China." title="Key to Chinese Amphibians. Publishing House for Scientific and Technological Literature, Chongqing, China." year="1990">Fei et al. 1990</bibRefCitation>
; Zhao &amp; Adler 1993;
<bibRefCitation author="Li, ZC" journalOrPublisher="Algemeene Konst-en Letter-Bode" pageId="0" pageNumber="495" refId="B29" refString="Li, ZC, Xiao, Z, Liu, SR, 2011. Amphibians and reptiles of Guangdong. Guangdong Science and Technology Press, Guangzhou, China." title="Amphibians and reptiles of Guangdong. Guangdong Science and Technology Press, Guangzhou, China." year="2011">Li et al. 2011</bibRefCitation>
</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authority="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang, 2022" authorityName="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Phrynoglossus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Phrynoglossus martensii" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="martensii" status="sp. nov.">Phrynoglossus martensii</taxonomicName>
-
<bibRefCitation author="Fei, L" journalOrPublisher="Current Herpetology" pageId="0" pageNumber="495" refId="B11" refString="Fei, L, Hu, SQ, Ye, CY, Huang, YZ, 2009. Fauna Sinica. Amphibia Vol. 2 Anura. Science Press, Beijing, China." title="Fauna Sinica. Amphibia Vol. 2 Anura. Science Press, Beijing, China." year="2009">Fei et al. 2009</bibRefCitation>
,
<bibRefCitation author="Fei, L" journalOrPublisher="Herpetologica Sinica" pageId="0" pageNumber="495" pagination="1 - 43" refId="B13" refString="Fei, L, Ye, CY, Jiang, JP, 2010. Phylogenetic systematics of Ranidae. Herpetologica Sinica 12: 1 - 43" title="Phylogenetic systematics of Ranidae." volume="12" year="2010">2010</bibRefCitation>
,
<bibRefCitation author="Fei, L" journalOrPublisher="Herpetologica Sinica" pageId="0" pageNumber="495" refId="B14" refString="Fei, L, Ye, CY, Jiang, JP, 2012. Colored Atlas of Chinese Amphibians and Their Distributions. Sichuan Publishing House of Science &amp; Technology, Chengdu, China." title="Colored Atlas of Chinese Amphibians and Their Distributions. Sichuan Publishing House of Science &amp; Technology, Chengdu, China." year="2012">2012</bibRefCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="type material">
<paragraph pageId="0" pageNumber="495">Type materials.</paragraph>
<paragraph pageId="0" pageNumber="495">
<emphasis bold="true" pageId="0" pageNumber="495">Holotype.</emphasis>
SYS a008846, adult male, collected on 18 July 2021 by Zhi-Tong Lyu from Mt Wugongling (
<geoCoordinate degrees="22.5914" direction="north" orientation="latitude" precision="5" value="22.5914">22.5914 N</geoCoordinate>
,
<geoCoordinate degrees="114.4927" direction="east" orientation="longitude" precision="5" value="114.4927">114.4927 E</geoCoordinate>
), Shenzhen City, Guangdong.
<emphasis bold="true" pageId="0" pageNumber="495">Paratypes.</emphasis>
Seven adult males and three adult females. Male SYS a008847 CIB 118529, collected at the same time as the holotype; males SYS a005589-90, collected on 15 November 2016 by Zhi-Tong Lyu and Jian Wang from Mt Wugongling; males SYS a007372-7373, and females SYS a07374-7375, collected on 5 September 2018 by Jian Wang and Hong-Hui Chen from
<normalizedToken originalValue="Qiao">Qi'ao</normalizedToken>
Island (
<geoCoordinate degrees="22.4140" direction="north" orientation="latitude" precision="5" value="22.414">22.4140 N</geoCoordinate>
,
<geoCoordinate degrees="113.6446" direction="east" orientation="longitude" precision="5" value="113.6446">113.6446 E</geoCoordinate>
), Zhuhai City, Guangdong Province, China; female SYS a004650, collected on 14 April 2016 by Jian Wang from Mt Yunkai (
<geoCoordinate degrees="22.2786" direction="north" orientation="latitude" precision="5" value="22.2786">22.2786 N</geoCoordinate>
,
<geoCoordinate degrees="111.1886" direction="east" orientation="longitude" precision="5" value="111.1886">111.1886 E</geoCoordinate>
), Xinyi City, Guangdong; males SYS a007657-7658, collected on 8 April 2019 by Jian Wang from Mt Yunkai.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="other examined specimens">
<paragraph pageId="0" pageNumber="495">Other examined specimens.</paragraph>
<paragraph pageId="0" pageNumber="495">
Five adult males and five adult females. Male SYS a005543 and female SYS a005542, from Mt Jiaoyiling (
<geoCoordinate degrees="21.1592" direction="north" orientation="latitude" precision="5" value="21.1592">21.1592 N</geoCoordinate>
,
<geoCoordinate degrees="110.3093" direction="east" orientation="longitude" precision="5" value="110.3093">110.3093 E</geoCoordinate>
), Zhanjiang City, Guangdong; female SYS a005267, from Mt. Diaoluo (18.6408 N, 109.9317 E), Lingshui Li Autonomous County, Hainan; males SYS a005436-5437, 5440-5441 and females SYS a005438-5439, 5442, from Mt Bawangling (1 9.0944 N,
<geoCoordinate degrees="109.0491" direction="east" orientation="longitude" precision="5" value="109.0491">109.0491 E</geoCoordinate>
), Changjiang Li Autonomous County, Hainan.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="etymology">
<paragraph pageId="0" pageNumber="495">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="495">
The specific name
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
refers to the lingnan region, a geographic area covering Guangdong, Guangxi, and Hainan in southeastern China, where this new frog species occurs in. This specific name is also dedicated to the former Lingnan University (1888-1952) that was incorporated into Sun Yat-sen University after 1953.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="common name">
<paragraph pageId="0" pageNumber="495">Common name.</paragraph>
<paragraph pageId="0" pageNumber="495">
&quot;Lingnan floating frog&quot; in English / &quot;岭南浮蛙 (lǐng
<normalizedToken originalValue="nán">nan</normalizedToken>
<normalizedToken originalValue="fú">fu</normalizedToken>
<normalizedToken originalValue="wā)”">wa)&quot;</normalizedToken>
in Chinese.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="diagnosis">
<paragraph pageId="0" pageNumber="495">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="495">(1) Body stocky, size small, SVL 19.9-22.1 mm in males (n=8) and 26.8-28.8 mm in females (n=3); (2) snout short triangular shaped; (3) nostrils located laterally; (4) eye orientation laterally; (5) canthus rostralis visible, rounded; (6) loreal region vertical, not concave/convex; (7) tongue wide and swollen, unnotched, rounded distally, lingual papilla absent; (8) vomerine ridge and vomerine teeth absent; (9) supratympanic fold distinct and raised, slightly curved on the temporal region; (10) tympanum hidden, edge invisible; (11) relative finger lengths II=I&lt;IV&lt;III, relative toe lengths I&lt;II&lt;V&lt;III&lt;IV; (12) fingers without webs, toes with two third webs; (13) heels not meeting, tibio-tarsal articulation reaching at the posterior margin of supratympanic fold; (14) tarsal fold absent.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="comparisons">
<paragraph pageId="0" pageNumber="495">Comparisons.</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. has been long-term misidentified as
<taxonomicName genus="O." lsidName="O. martensii" pageId="0" pageNumber="495" rank="species" species="martensii">
<emphasis italics="true" pageId="0" pageNumber="495">O. martensii</emphasis>
</taxonomicName>
, however, it differs from the latter by a combination of the following morphological characters: tympanum hidden, edge invisible (vs. tympanum edge raised), relative finger lengths II=I&lt;IV (vs. II=IV&lt;I), relative toe lengths V&lt;III (vs. III&lt;V), tarsal fold absent (vs. present), tibio-tarsal articulation reaching the posterior margin of supratympanic fold (vs. reaching the region of eye).
</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. can be distinguished from the remaining three known congeners in Clade VIII (Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic trees of the genus Occidozyga sensu lato based on mitochondrial genes 16 S and CO 1. Bayesian posterior probabilities (BPP) and bootstrap supports (BS) are labeled above and below the nodes respectively. Numbers at the terminal of the lineages correspond to the IDs in Table 1." figureDoi="10.3897/vz.72.e80019.figure1" httpUri="https://binary.pensoft.net/fig/709314" pageId="0" pageNumber="495">1</figureCitation>
) by the canthus rostralis rounded (vs. absent in
<taxonomicName genus="O." lsidName="O. magnapustulosa" pageId="0" pageNumber="495" rank="species" species="magnapustulosa">
<emphasis italics="true" pageId="0" pageNumber="495">O. magnapustulosa</emphasis>
</taxonomicName>
), loreal region oblique, not concave or convex (vs. slight convex in
<taxonomicName genus="O." lsidName="O. magnapustulosa" pageId="0" pageNumber="495" rank="species" species="magnapustulosa">
<emphasis italics="true" pageId="0" pageNumber="495">O. magnapustulosa</emphasis>
</taxonomicName>
and
<taxonomicName genus="O." lsidName="O. swanbornorum" pageId="0" pageNumber="495" rank="species" species="swanbornorum">
<emphasis italics="true" pageId="0" pageNumber="495">O. swanbornorum</emphasis>
</taxonomicName>
comb. nov.), relative finger lengths II=I&lt;IV (vs. II&lt;IV&lt;I in
<taxonomicName genus="O." lsidName="O. myanhessei" pageId="0" pageNumber="495" rank="species" species="myanhessei">
<emphasis italics="true" pageId="0" pageNumber="495">O. myanhessei</emphasis>
</taxonomicName>
comb. nov., IV&lt;II&lt;I in
<taxonomicName genus="O." lsidName="O. swanbornorum" pageId="0" pageNumber="495" rank="species" species="swanbornorum">
<emphasis italics="true" pageId="0" pageNumber="495">O. swanbornorum</emphasis>
</taxonomicName>
comb. nov.), tarsal fold absent (vs. present in
<taxonomicName genus="O." lsidName="O. magnapustulosa" pageId="0" pageNumber="495" rank="species" species="magnapustulosa">
<emphasis italics="true" pageId="0" pageNumber="495">O. magnapustulosa</emphasis>
</taxonomicName>
and
<taxonomicName genus="O." lsidName="O. myanhessei" pageId="0" pageNumber="495" rank="species" species="myanhessei">
<emphasis italics="true" pageId="0" pageNumber="495">O. myanhessei</emphasis>
</taxonomicName>
comb. nov.).
</paragraph>
<paragraph pageId="0" pageNumber="495">
For the remaining 13 congeners,
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. distinctly differs from
<taxonomicName genus="O." lsidName="O. lima" pageId="0" pageNumber="495" rank="species" species="lima">
<emphasis italics="true" pageId="0" pageNumber="495">O. lima</emphasis>
</taxonomicName>
,
<taxonomicName genus="O." lsidName="O. obscura" pageId="0" pageNumber="495" rank="species" species="obscura">
<emphasis italics="true" pageId="0" pageNumber="495">O. obscura</emphasis>
</taxonomicName>
comb. nov., and
<taxonomicName genus="O." lsidName="O. berbeza" pageId="0" pageNumber="495" rank="species" species="berbeza">
<emphasis italics="true" pageId="0" pageNumber="495">O. berbeza</emphasis>
</taxonomicName>
by the tongue wide and swollen (vs. narrow and slender); from
<taxonomicName genus="O." lsidName="O. rhacoda" pageId="0" pageNumber="495" rank="species" species="rhacoda">
<emphasis italics="true" pageId="0" pageNumber="495">O. rhacoda</emphasis>
</taxonomicName>
by the dorsolateral fold absent (vs. present); from
<taxonomicName genus="O." lsidName="O. shiwandashanensis" pageId="0" pageNumber="495" rank="species" species="shiwandashanensis">
<emphasis italics="true" pageId="0" pageNumber="495">O. shiwandashanensis</emphasis>
</taxonomicName>
by the tarsal fold absent (vs. present); from
<taxonomicName genus="O." lsidName="O. celebensis" pageId="0" pageNumber="495" rank="species" species="celebensis">
<emphasis italics="true" pageId="0" pageNumber="495">O. celebensis</emphasis>
</taxonomicName>
,
<taxonomicName genus="O." lsidName="O. laevis" pageId="0" pageNumber="495" rank="species" species="laevis">
<emphasis italics="true" pageId="0" pageNumber="495">O. laevis</emphasis>
</taxonomicName>
, and
<taxonomicName genus="O." lsidName="O. sumatrana" pageId="0" pageNumber="495" rank="species" species="sumatrana">
<emphasis italics="true" pageId="0" pageNumber="495">O. sumatrana</emphasis>
</taxonomicName>
by the eye orientation laterally (vs. vertically); from
<taxonomicName genus="O." lsidName="O. baluensis" pageId="0" pageNumber="495" rank="species" species="baluensis">
<emphasis italics="true" pageId="0" pageNumber="495">O. baluensis</emphasis>
</taxonomicName>
,
<taxonomicName genus="O." lsidName="O. floresiana" pageId="0" pageNumber="495" rank="species" species="floresiana">
<emphasis italics="true" pageId="0" pageNumber="495">O. floresiana</emphasis>
</taxonomicName>
, and
<taxonomicName genus="O." lsidName="O. semipalmata" pageId="0" pageNumber="495" rank="species" species="semipalmata">
<emphasis italics="true" pageId="0" pageNumber="495">O. semipalmata</emphasis>
</taxonomicName>
by the canthus rostralis rounded (vs. absent); from
<taxonomicName genus="O." lsidName="O. diminutiva" pageId="0" pageNumber="495" rank="species" species="diminutiva">
<emphasis italics="true" pageId="0" pageNumber="495">O. diminutiva</emphasis>
</taxonomicName>
and
<taxonomicName genus="O." lsidName="O. tompotika" pageId="0" pageNumber="495" rank="species" species="tompotika">
<emphasis italics="true" pageId="0" pageNumber="495">O. tompotika</emphasis>
</taxonomicName>
by the supratympanic fold curved (vs. straight).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="description">
<paragraph pageId="0" pageNumber="495">Description of holotype.</paragraph>
<paragraph pageId="0" pageNumber="495">
SYS a008846, adult male (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Morphological features of the adult male holotype SYS a 008846 of Occidozyga lingnanica sp. nov. in life. A dorsolateral view B ventral view C left hand D right foot E dorsal view of right hand showing the nuptial pad F calling in situ showing the subgular vocal sac." figureDoi="10.3897/vz.72.e80019.figure5" httpUri="https://binary.pensoft.net/fig/709318" pageId="0" pageNumber="495">5</figureCitation>
). Body stocky, small-sized, SVL 21.4 mm. Head longer than wide (HDW/HDL 0.97), plat above; pineal ocellus distinct; snout short triangular shaped, distinctly protruding beyond lower jaw, tip of snout rounded in dorsal view and profile; canthus rostralis rounded, loreal region oblique, not concave or convex; nostril rounded, laterally, not raised, at the middle between tip of snout and eye; eye orientation laterally, pupil diamond shaped; interorbital space distinctly narrower than internarial distance; tympanum hidden, edge invisible; vomerine ridge and teeth absent; tongue wide and swollen, unnotched, rounded distally, lingual papilla absent.
</paragraph>
<caption doi="10.3897/vz.72.e80019.figure5" httpUri="https://binary.pensoft.net/fig/709318" pageId="0" pageNumber="495" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="495">
<emphasis bold="true" pageId="0" pageNumber="495">Figure 5.</emphasis>
Morphological features of the adult male holotype SYS a008846 of
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. in life.
<emphasis bold="true" pageId="0" pageNumber="495">A</emphasis>
dorsolateral view
<emphasis bold="true" pageId="0" pageNumber="495">B</emphasis>
ventral view
<emphasis bold="true" pageId="0" pageNumber="495">C</emphasis>
left hand
<emphasis bold="true" pageId="0" pageNumber="495">D</emphasis>
right foot
<emphasis bold="true" pageId="0" pageNumber="495">E</emphasis>
dorsal view of right hand showing the nuptial pad
<emphasis bold="true" pageId="0" pageNumber="495">F</emphasis>
calling in situ showing the subgular vocal sac.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="495">Forelimbs short, lower arm 15% of SVL and hand 25% of SVL; fingers relatively thin and long, relative finger lengths II=I&lt;IV&lt;III; tips of fingers rounded, not dilated and without disks; fingers without webs and fringes; subarticular tubercles present at the bases of each finger, prominent and rounded; supernumerary tubercles absent; inner and outer palmar tubercles prominent and rounded.</paragraph>
<paragraph pageId="0" pageNumber="495">Hind limbs robust, tibia 44% of SVL and foot 63% of SVL; heels not meeting when hind limbs flexed at right angles to the axis of the body; tibio-tarsal articulation reaching at the posterior margin of supratympanic fold when hind limb is stretched along the side of the body; toes distinctly long and thin, relative lengths I &lt;II &lt;V &lt;III &lt;IV; tips of toes rounded, dilated into rounded disks; toes with two third webs, metatarsal web present, distinct lateral fringes on lateral edges of toes I and V; subarticular tubercles rounded, prominent; inner metatarsal tubercle large and long-elliptic, distinctly raised, length triple the width; outer metatarsal tubercle absent; tarsal fold absent.</paragraph>
<paragraph pageId="0" pageNumber="495">Dorsal surface relatively rough, large tubercles scattering on skin of dorsum, flanks, and dorsal limbs, not bearing spinules on the dorsal skin; a faint fold across head between orbits; supratympanic fold distinct, raised, extending from the posterior corner of the eye, slightly curved on the temporal region, to the previous shoulder; dorsolateral fold absent. Ventral surface with large flattened tubercles; a fold across breast; dense granules on the ventral tarsi.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="coloration of holotype">
<paragraph pageId="0" pageNumber="495">Coloration of holotype.</paragraph>
<paragraph pageId="0" pageNumber="495">
In life (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Morphological features of the adult male holotype SYS a 008846 of Occidozyga lingnanica sp. nov. in life. A dorsolateral view B ventral view C left hand D right foot E dorsal view of right hand showing the nuptial pad F calling in situ showing the subgular vocal sac." figureDoi="10.3897/vz.72.e80019.figure5" httpUri="https://binary.pensoft.net/fig/709318" pageId="0" pageNumber="495">5</figureCitation>
), dorsal surface grayish brown with irregular black speckles; dorsal limbs with dark brown transverse bars; mid-dorsal stripe yellowish brown but indistinct; a narrow transverse bar between orbits; supratympanic fold dark brown. Pupil bordered with yellow; iris brown with irregular dark or light speckles. Skin of throat dark with white mottling; skin of chest and belly uniform creamy white; ventral surface of limbs grayish pink with dark speckles. Nuptial pad light yellow, slightly transparent.
</paragraph>
<paragraph pageId="0" pageNumber="495">In preservative, dorsum light gray; black speckles on dorsum and transverse bars on limbs light brown; mid-dorsal stripe grayish white and more distinct; nuptial pad light gray, slightly transparent; ventral surface grayish white; mottling on throat gray white.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="variation">
<paragraph pageId="0" pageNumber="495">Variation.</paragraph>
<paragraph pageId="0" pageNumber="495">
The measurements of the type series are given in Table
<tableCitation captionStart="Table 4" captionStartId="T4" captionText="Table 4. Measurements (in mm) of the examined specimens of Occidozyga lingnanica sp. nov." httpUri="http://table.plazi.org/id/E42770B6E64558992AD2C93C99E1709F" pageId="0" pageNumber="495" tableUuid="E42770B6E64558992AD2C93C99E1709F">4</tableCitation>
. All individuals were similar in morphology. Dorsal coloration varies in life, from light brown, yellowish brown, to dark brown (Figs
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Morphological features of the adult male holotype SYS a 008846 of Occidozyga lingnanica sp. nov. in life. A dorsolateral view B ventral view C left hand D right foot E dorsal view of right hand showing the nuptial pad F calling in situ showing the subgular vocal sac." figureDoi="10.3897/vz.72.e80019.figure5" httpUri="https://binary.pensoft.net/fig/709318" pageId="0" pageNumber="495">5</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Color variation of Occidozyga lingnanica sp. nov. in life. A adult male paratype SYS a 008847 B adult female paratype SYS a 004650 C adult male paratype SYS a 007373 D adult female paratype SYS a 007375 E adult male SYS a 005437 F adult male SYS a 005440." figureDoi="10.3897/vz.72.e80019.figure6" httpUri="https://binary.pensoft.net/fig/709319" pageId="0" pageNumber="495">6</figureCitation>
); mid-dorsal stripe varies among individuals, distinct (Figs
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Morphological features of Occidozyga obscura comb. nov. and Occidozyga lingnanica sp. nov. in preservative. Occidozyga obscura comb. nov.: A adult male SYS a 008121 B adult female SYS a 008122; Occidozyga lingnanica sp. nov.: C adult male paratype SYS a 007373 D adult female paratype SYS a 007375. 1 dorsal view 2 ventral view." figureDoi="10.3897/vz.72.e80019.figure4" httpUri="https://binary.pensoft.net/fig/709317" pageId="0" pageNumber="495">4C</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Color variation of Occidozyga lingnanica sp. nov. in life. A adult male paratype SYS a 008847 B adult female paratype SYS a 004650 C adult male paratype SYS a 007373 D adult female paratype SYS a 007375 E adult male SYS a 005437 F adult male SYS a 005440." figureDoi="10.3897/vz.72.e80019.figure6" httpUri="https://binary.pensoft.net/fig/709319" pageId="0" pageNumber="495">6C</figureCitation>
), indistinct (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Morphological features of the adult male holotype SYS a 008846 of Occidozyga lingnanica sp. nov. in life. A dorsolateral view B ventral view C left hand D right foot E dorsal view of right hand showing the nuptial pad F calling in situ showing the subgular vocal sac." figureDoi="10.3897/vz.72.e80019.figure5" httpUri="https://binary.pensoft.net/fig/709318" pageId="0" pageNumber="495">5</figureCitation>
), or absent (Figs
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Morphological features of Occidozyga obscura comb. nov. and Occidozyga lingnanica sp. nov. in preservative. Occidozyga obscura comb. nov.: A adult male SYS a 008121 B adult female SYS a 008122; Occidozyga lingnanica sp. nov.: C adult male paratype SYS a 007373 D adult female paratype SYS a 007375. 1 dorsal view 2 ventral view." figureDoi="10.3897/vz.72.e80019.figure4" httpUri="https://binary.pensoft.net/fig/709317" pageId="0" pageNumber="495">4D</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Color variation of Occidozyga lingnanica sp. nov. in life. A adult male paratype SYS a 008847 B adult female paratype SYS a 004650 C adult male paratype SYS a 007373 D adult female paratype SYS a 007375 E adult male SYS a 005437 F adult male SYS a 005440." figureDoi="10.3897/vz.72.e80019.figure6" httpUri="https://binary.pensoft.net/fig/709319" pageId="0" pageNumber="495">6A, B, D-F</figureCitation>
); an irregular orange marking on the occipital region in some individuals (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Color variation of Occidozyga lingnanica sp. nov. in life. A adult male paratype SYS a 008847 B adult female paratype SYS a 004650 C adult male paratype SYS a 007373 D adult female paratype SYS a 007375 E adult male SYS a 005437 F adult male SYS a 005440." figureDoi="10.3897/vz.72.e80019.figure6" httpUri="https://binary.pensoft.net/fig/709319" pageId="0" pageNumber="495">6F</figureCitation>
).
</paragraph>
<caption doi="10.3897/vz.72.e80019.figure6" httpUri="https://binary.pensoft.net/fig/709319" pageId="0" pageNumber="495" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="495">
<emphasis bold="true" pageId="0" pageNumber="495">Figure 6.</emphasis>
Color variation of
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. in life.
<emphasis bold="true" pageId="0" pageNumber="495">A</emphasis>
adult male paratype SYS a008847
<emphasis bold="true" pageId="0" pageNumber="495">B</emphasis>
adult female paratype SYS a004650
<emphasis bold="true" pageId="0" pageNumber="495">C</emphasis>
adult male paratype SYS a007373
<emphasis bold="true" pageId="0" pageNumber="495">D</emphasis>
adult female paratype SYS a007375
<emphasis bold="true" pageId="0" pageNumber="495">E</emphasis>
adult male SYS a005437
<emphasis bold="true" pageId="0" pageNumber="495">F</emphasis>
adult male SYS a005440.
</paragraph>
</caption>
<caption ID-Table-UUID="E42770B6E64558992AD2C93C99E1709F" httpUri="http://table.plazi.org/id/E42770B6E64558992AD2C93C99E1709F" pageId="0" pageNumber="495" start="Table 4" startId="T4">
<paragraph pageId="0" pageNumber="495">
<emphasis bold="true" pageId="0" pageNumber="495">Table 4.</emphasis>
Measurements (in mm) of the examined specimens of
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="495">
<table pageId="0" pageNumber="495">
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">Specimen</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007372</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007373</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a008846</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a008847</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a005589</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a005590</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007657</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007658</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007374</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a007375</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="495">SYS a004650</emphasis>
</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Sex</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Male</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Female</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Female</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">Female</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">SVL</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">22.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">21.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">21.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">21.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">19.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">20.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">21.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">21.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">26.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">28.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">28.8</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">HDL</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.0</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.0</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">HDW</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">7.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">8.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.0</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">SNT</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.0</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.3</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">IND</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.3</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">IOD</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.0</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">1.9</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">ED</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">2.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.0</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">HND</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">4.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">4.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">5.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">6.1</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">RAD</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">3.3</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">4.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">4.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">4.8</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">FTL</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">14.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">14.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">13.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">14.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">12.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">13.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">14.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">14.1</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">17.9</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">19.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">19.5</td>
</tr>
<tr pageId="0" pageNumber="495">
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">TIB</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.8</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">8.6</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.2</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">9.5</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">11.7</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">11.4</td>
<td colspan="1" pageId="0" pageNumber="495" rowspan="1">11.8</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="description">
<paragraph pageId="0" pageNumber="495">Male secondary sexual characteristics.</paragraph>
<paragraph pageId="0" pageNumber="495">
Male with a single subgular vocal sac; in breeding season, a single, light yellow, swollen, and granular nuptial pad on the dorsal surface of finger I, nuptial spinules invisible. Males (SVL 19.9-22.1 mm) distinctly smaller than females (SVL 26.8-28.8 mm) (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Morphological features of Occidozyga obscura comb. nov. and Occidozyga lingnanica sp. nov. in preservative. Occidozyga obscura comb. nov.: A adult male SYS a 008121 B adult female SYS a 008122; Occidozyga lingnanica sp. nov.: C adult male paratype SYS a 007373 D adult female paratype SYS a 007375. 1 dorsal view 2 ventral view." figureDoi="10.3897/vz.72.e80019.figure4" httpUri="https://binary.pensoft.net/fig/709317" pageId="0" pageNumber="495">4C, D</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="ecology">
<paragraph pageId="0" pageNumber="495">Ecology.</paragraph>
<paragraph pageId="0" pageNumber="495">
This frog inhabits natural or artificial ponds and paddy fields in hilly regions. Males call in the water surface or waterside grass from dusk to dawn. The breeding season is from May to August (this study;
<bibRefCitation author="Fei, L" journalOrPublisher="Current Herpetology" pageId="0" pageNumber="495" refId="B11" refString="Fei, L, Hu, SQ, Ye, CY, Huang, YZ, 2009. Fauna Sinica. Amphibia Vol. 2 Anura. Science Press, Beijing, China." title="Fauna Sinica. Amphibia Vol. 2 Anura. Science Press, Beijing, China." year="2009">Fei et al. 2009</bibRefCitation>
). In southeastern China,
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. shares a similar environment to that of
<taxonomicName authorityName="Lyu &amp; Wang &amp; Zeng &amp; Luo &amp; Zhang &amp; Guo &amp; Ren &amp; Qi &amp; Mo &amp; Wang" authorityYear="2022" baseAuthorityName="Gray" baseAuthorityYear="1831" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga obscura" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="obscura">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga obscura</emphasis>
</taxonomicName>
comb. nov., but prefers to hilly regions compared with the latter in plain areas.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="distribution">
<paragraph pageId="0" pageNumber="495">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. can be recognized from multiple localities in Guangdong and Hainan of southeastern China based on the phylogenetic result in this work (Figs
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Phylogenetic trees of the genus Occidozyga sensu lato based on mitochondrial genes 16 S and CO 1. Bayesian posterior probabilities (BPP) and bootstrap supports (BS) are labeled above and below the nodes respectively. Numbers at the terminal of the lineages correspond to the IDs in Table 1." figureDoi="10.3897/vz.72.e80019.figure1" httpUri="https://binary.pensoft.net/fig/709314" pageId="0" pageNumber="495">1</figureCitation>
,
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Map showing the floating frogs Occidozyga obscura comb. nov., Occidozyga lingnanica sp. nov., and their closest congeners. Numbers correspond to the IDs in Table 1." figureDoi="10.3897/vz.72.e80019.figure2" httpUri="https://binary.pensoft.net/fig/709315" pageId="0" pageNumber="495">2</figureCitation>
). The records of
<taxonomicName genus="O." lsidName="O. martensi" pageId="0" pageNumber="495" rank="species" species="martensi">
<emphasis italics="true" pageId="0" pageNumber="495">O. martensi</emphasis>
</taxonomicName>
from Yunnan, southwestern China require further clarifications with morphological examinations (see Discussion).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="495" type="conservation status">
<paragraph pageId="0" pageNumber="495">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="495">
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. was previously reported as common and widespread species in southeastern China under the nomen
<taxonomicName genus="O." lsidName="O. martensii" pageId="0" pageNumber="495" rank="species" species="martensii">
<emphasis italics="true" pageId="0" pageNumber="495">O. martensii</emphasis>
</taxonomicName>
. Nevertheless, during our repeated surveys throughout southeastern China, the population quantity of this species is found rapidly declining due to the influence of human activities such as pesticide abuse and urban construction. We recommend
<taxonomicName authorityName="Lyu &amp; Wang" authorityYear="2022" class="Amphibia" family="Dicroglossidae" genus="Occidozyga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Occidozyga lingnanica" order="Anura" pageId="0" pageNumber="495" phylum="Chordata" rank="species" species="lingnanica">
<emphasis italics="true" pageId="0" pageNumber="495">Occidozyga lingnanica</emphasis>
</taxonomicName>
sp. nov. to be listed as Vulnerable (VU) [IUCN Red List criteria B1b(ii)(iii)].
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>