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<document id="0CE297CB82500AAD63F9C24CAE9DAE7C" ID-CLB-Dataset="46290" ID-DOI="10.11646/zootaxa.3774.2.4" ID-GBIF-Dataset="41608764-d570-4322-a968-a1dc34dab25e" ID-ISSN="1175-5326" ID-Zenodo-Dep="248424" ID-ZooBank="933179AB-E8DB-4785-9F79-E0D051E1E398" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460392703679" checkinUser="plazi" docAuthor="Teynié, Alexandre, Lottier, Anne, David, Patrick, Nguyen, Truong Quang &amp; Vogel, Gernot" docDate="2014" docId="03A787ABFFF0FF99FF5AAAF9FECCAFD8" docLanguage="en" docName="zt03774p182.pdf" docOrigin="Zootaxa 3774 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Opisthotropis durandi Teynié, Lottier, David, Nguyen &amp; Vogel, 2014, spec. nov." docType="treatment" docVersion="10" lastPageNumber="175" masterDocId="FF9EFFD3FFF2FF93FFCDAB3FFFBDAE75" masterDocTitle="A new species of the genus Opisthotropis Günther, 1872 from northern Laos (Squamata: Natricidae)" masterLastPageNumber="182" masterPageNumber="165" pageNumber="167" updateTime="1732492337531" updateUser="ExternalLinkService">
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<mods:title id="6A2709497D666390E3D2078CEEEB3C7B">A new species of the genus Opisthotropis Günther, 1872 from northern Laos (Squamata: Natricidae)</mods:title>
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<mods:namePart id="63B26D5E1C3A9BB618D04ACDAED95B3D">Teynié, Alexandre</mods:namePart>
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<mods:namePart id="496F98775579531C8BC27FE0C7B59A65">Lottier, Anne</mods:namePart>
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<mods:namePart id="848970209ECB6294097AFFF99D22C659">David, Patrick</mods:namePart>
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<mods:namePart id="BF12935E6E4EDCDBCBDFA185BF2CA75D">Nguyen, Truong Quang</mods:namePart>
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<mods:namePart id="50108A5542003F535523F870C5CB43EE">Vogel, Gernot</mods:namePart>
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<mods:title id="189212F7001987BFCBF68371155D5818">Zootaxa</mods:title>
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<mods:date id="192CAA32565A55AA105FCDB359C29A55">2014</mods:date>
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<treatment id="03A787ABFFF0FF99FF5AAAF9FECCAFD8" ID-DOI="http://doi.org/10.5281/zenodo.4901953" ID-GBIF-Taxon="119417163" ID-Zenodo-Dep="4901953" LSID="urn:lsid:plazi:treatment:03A787ABFFF0FF99FF5AAAF9FECCAFD8" httpUri="http://treatment.plazi.org/id/03A787ABFFF0FF99FF5AAAF9FECCAFD8" lastPageId="10" lastPageNumber="175" pageId="2" pageNumber="167" scope_class="Squamata">
<subSubSection id="C3146536FFF0FF91FF5AAAF9FEAFAC74" pageId="2" pageNumber="167" type="nomenclature">
<paragraph id="8BB136BDFFF0FF91FF5AAAF9FD9DAF95" blockId="2.[151,544,454,514]" box="[151,544,454,480]" pageId="2" pageNumber="167">
<heading id="D0F981D1FFF0FF91FF5AAAF9FD9DAF95" bold="true" box="[151,544,454,480]" fontSize="11" level="1" pageId="2" pageNumber="167" reason="1">
<emphasis id="B97AEAAFFFF0FF91FF5AAAF9FD9DAF95" bold="true" box="[151,544,454,480]" pageId="2" pageNumber="167">
<taxonomicName id="4C0E4D3EFFF0FF91FF5AAAF9FE1CAF95" ID-CoL="6SQWJ" box="[151,417,454,480]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF0FF91FF5AAAF9FE1CAF95" bold="true" box="[151,417,454,480]" italics="true" pageId="2" pageNumber="167">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF0FF91FE65AAF9FD9DAF95" box="[424,544,454,480]" pageId="2" pageNumber="167" rank="species">spec. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF5AAAD6FEAFAC74" blockId="2.[151,544,454,514]" box="[151,274,489,514]" pageId="2" pageNumber="167">
(
<figureCitation id="13352A38FFF0FF91FF52AAD6FEB4AC74" box="[159,265,489,514]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStartId-0="6.[151,250,1201,1223]" captionStartId-1="7.[151,250,1572,1594]" captionStartId-2="8.[151,250,1930,1952]" captionStartId-3="10.[151,250,1420,1442]" captionTargetBox-0="[151,1436,193,1179]" captionTargetBox-1="[151,1436,201,1550]" captionTargetBox-2="[151,1436,193,1907]" captionTargetBox-3="[151,1436,481,1384]" captionTargetId-0="figure@6.[151,1436,193,1179]" captionTargetId-1="figure@7.[151,1436,193,1551]" captionTargetId-2="figure@8.[151,1436,193,1909]" captionTargetId-3="figure@10.[151,1436,481,1385]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionTargetPageId-2="8" captionTargetPageId-3="10" captionText-0="FIGURE 1. Opisthotropis durandi spec. nov., preserved holotype (MNHN 2013.1001). A. Dorsal view. — B. Ventral view. — C. Lateral view of the head and neck, left side. — D. Ventral view of the tail. Photographs by Alexandre Teynié." captionText-1="FIGURE 2. Opisthotropis durandi spec. nov., preserved holotype (MNHN 2013.1001), views of the head. A. Dorsal side. — B. Ventral side. — C. Right side. Photographs by Alexandre Teynié." captionText-2="FIGURE 3. Opisthotropis durandi spec. nov., holotype (MNHN 2013.1001), alive in its natural biotope, vicinity of Muang Ngoi, Ngoi District, Louangphabang Province, Laos. A. General view. — B. Close-up view of head. Photographs by Alexandre Teynié." captionText-3="FIGURE 4. Opisthotropis durandi spec. nov., paratype (IEBR A. 2013.26), alive in its natural biotope, Mok Waterfall, at about 4 km east of Ban Sopkhong, Ngoi District, Louangphabang Province, Laos. Photograph by Alexandre Teynié." figureDoi-0="http://doi.org/10.5281/zenodo.248425" figureDoi-1="http://doi.org/10.5281/zenodo.248426" figureDoi-2="http://doi.org/10.5281/zenodo.248427" figureDoi-3="http://doi.org/10.5281/zenodo.248428" httpUri-0="https://zenodo.org/record/248425/files/figure.png" httpUri-1="https://zenodo.org/record/248426/files/figure.png" httpUri-2="https://zenodo.org/record/248427/files/figure.png" httpUri-3="https://zenodo.org/record/248428/files/figure.png" pageId="2" pageNumber="167">Figs. 14</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFF0FF91FF5AA914FBF2AD4A" pageId="2" pageNumber="167" type="materials_examined">
<paragraph id="8BB136BDFFF0FF91FF5AA914FBBFACFE" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF5AA914FEB6AC36" bold="true" box="[151,267,555,579]" pageId="2" pageNumber="167">
<typeStatus id="54B5881FFFF0FF91FF5AA914FEBBAC36" box="[151,262,555,579]" pageId="2" pageNumber="167" type="holotype">Holotype</typeStatus>
.
</emphasis>
<collectionCode id="ED1FAE78FFF0FF91FEEAA914FEC1AC37" LSID="urn:lsid:biocol.org:col:34988" box="[295,380,555,578]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="2" pageNumber="167">MNHN</collectionCode>
2013.1001, an adult female, from the vicinity of Muang Ngoi (
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,
<geoCoordinate id="EE3A507AFFF0FF91FB30A914FA32AC36" box="[1277,1423,555,579]" direction="east" orientation="longitude" pageId="2" pageNumber="167" precision="15" value="102.68917">102°41'21&quot;E</geoCoordinate>
), Ngoi District, Louangphabang Province,
<collectingCountry id="F319762DFFF0FF91FDA9A970FC57AC12" box="[612,1002,590,615]" name="Laos" pageId="2" pageNumber="167">Lao Peoples Democratic Republic</collectingCountry>
(
<collectingCountry id="F319762DFFF0FF91FC37A970FB88AC12" box="[1018,1077,591,615]" name="Laos" pageId="2" pageNumber="167">Laos</collectingCountry>
), at an elevation of about
<quantity id="4CF69B58FFF0FF91FA98A970FA21AC13" box="[1365,1436,591,615]" metricMagnitude="2" metricUnit="m" metricValue="3.7" pageId="2" pageNumber="167" unit="m" value="370.0">370 m</quantity>
a.s.l.; collected by Alexandre Teynié and Anne Lottier on
<date id="FFB0107DFFF0FF91FCEDA94CFC43ACFE" box="[800,1022,626,651]" pageId="2" pageNumber="167" value="2012-09-18">18 September 2012</date>
.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AA9A8FC00AD6E" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AA9A8FE86ACDA" bold="true" box="[199,315,663,687]" pageId="2" pageNumber="167">
<typeStatus id="54B5881FFFF0FF91FF0AA9A8FE8BACDA" box="[199,310,663,687]" pageId="2" pageNumber="167" type="paratype">Paratype</typeStatus>
.
</emphasis>
<collectionCode id="ED1FAE78FFF0FF91FE9AA9A8FE2BACDB" box="[343,406,663,686]" pageId="2" pageNumber="167">IEBR</collectionCode>
A.2013.26, an adult male, from Mork or Mok Waterfall
<emphasis id="B97AEAAFFFF0FF91FBDCA9A9FBA7ACDA" bold="true" box="[1041,1050,662,687]" pageId="2" pageNumber="167">(</emphasis>
<geoCoordinate id="EE3A507AFFF0FF91FBD7A9A8FBC5ACDA" box="[1050,1144,663,687]" direction="north" orientation="latitude" pageId="2" pageNumber="167" precision="925" value="20.65">20°39'N</geoCoordinate>
,
<geoCoordinate id="EE3A507AFFF0FF91FB49A9A8FB52ACDA" box="[1156,1263,663,687]" direction="east" orientation="longitude" pageId="2" pageNumber="167" precision="925" value="102.7">102°42'E</geoCoordinate>
), at about
<quantity id="4CF69B58FFF0FF91FAAEA9A8FA21ACDA" box="[1379,1436,662,687]" metricMagnitude="3" metricUnit="m" metricValue="4.0" pageId="2" pageNumber="167" unit="km" value="4.0">4 km</quantity>
east of Ban Sopkhong or Ban Sop Keng, a village on Nam Ou River located between Nuang Kiea and Muang Ngoi, Ngoi District, Louangphabang Province,
<collectingCountry id="F319762DFFF0FF91FDA9A9E0FC57AC82" box="[612,1002,734,759]" name="Laos" pageId="2" pageNumber="167">Lao Peoples Democratic Republic</collectingCountry>
(
<collectingCountry id="F319762DFFF0FF91FC37A9E0FB88AC82" box="[1018,1077,735,759]" name="Laos" pageId="2" pageNumber="167">Laos</collectingCountry>
), at an elevation of about
<quantity id="4CF69B58FFF0FF91FA98A9E0FA21AC83" box="[1365,1436,735,759]" metricMagnitude="2" metricUnit="m" metricValue="7.0" pageId="2" pageNumber="167" unit="m" value="700.0">700 m</quantity>
a.s.l.; collected by Alexandre Teynié and Anne Lottier on
<date id="FFB0107DFFF0FF91FCEDA83CFC07AD6E" box="[800,954,771,795]" pageId="2" pageNumber="167" value="2013-05-20">20 May 2013</date>
.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF5AA819FBF2AD4A" blockId="2.[151,1437,554,2030]" box="[151,1103,806,831]" pageId="2" pageNumber="167">
The locality of the
<typeStatus id="54B5881FFFF0FF91FEA1A818FE71AD4A" box="[364,460,807,831]" pageId="2" pageNumber="167" type="paratype">paratype</typeStatus>
is at about
<quantity id="4CF69B58FFF0FF91FD80A819FD26AD4A" box="[589,667,806,831]" metricMagnitude="3" metricUnit="m" metricValue="5.3" pageId="2" pageNumber="167" unit="km" value="5.3">5.3 km</quantity>
south-southeast from the
<typeStatus id="54B5881FFFF0FF91FC73A818FC53AD4A" box="[958,1006,807,831]" pageId="2" pageNumber="167">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFF0FF91FF0AA875FC88ABFC" pageId="2" pageNumber="167" type="diagnosis">
<paragraph id="8BB136BDFFF0FF91FF0AA875FD24AAC7" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AA875FEFCAD16" bold="true" box="[199,321,842,867]" pageId="2" pageNumber="167">Diagnosis.</emphasis>
—A species of the genus
<taxonomicName id="4C0E4D3EFFF0FF91FD93A875FD4AAD16" box="[606,759,842,867]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF0FF91FD93A875FD4AAD16" box="[606,759,842,867]" italics="true" pageId="2" pageNumber="167">Opisthotropis</emphasis>
</taxonomicName>
, characterized by a combination of the following characters: (1) 2119 DSR at neck and 17 DSR at midbody, all smooth; (2) nostril narrow, long and strongly oblique, dividing the whole length of the nasal; (3) internasals triangular and strongly curved, in contact with the loreal; (4) 1 prefrontal; (5) frontal wider than long; (6) loreal large, longer than high; (7) 6/7 supralabials, 4th SL entering orbit on both sides; (8) 1 preocular; (9) 1 anterior and 2 posterior temporals; (10) at least 88 subcaudals; (11) about 22/23 subequal maxillary teeth; (12) upper dorsal surface above the 5th dorsal scale row uniformly dark greyish-brown with bronze tints, contrasting faintly with sides more bronze-brown, with scales broadly edged posteriorly with yellowish-ochre, this pigmentation extending downwards up to the 1st dorsal scale row; (13) venter pinkish-ochre brown; (14) head dark greyish-brown; and (15) chin, throat and 1st preventral largely blackish-brown with scales irregularly dotted or edged with ochre yellow.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AAF81FC88ABFC" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
A detailed comparison with the other known species of the genus
<taxonomicName id="4C0E4D3EFFF0FF91FC60AF82FBFBAAA3" box="[941,1094,1213,1238]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF0FF91FC60AF82FBFBAAA3" box="[941,1094,1213,1238]" italics="true" pageId="2" pageNumber="167">Opisthotropis</emphasis>
</taxonomicName>
, especially the 10 species that have 17 dorsal scale rows at midbody, plus
<taxonomicName id="4C0E4D3EFFF0FF91FD0AAFDEFC4DAA8F" box="[711,1008,1249,1274]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF0FF91FD0AAFDEFC4DAA8F" box="[711,1008,1249,1274]" italics="true" pageId="2" pageNumber="167">Parahelicops annamensis</emphasis>
</taxonomicName>
, is given below in “Comparison”. Nevertheless, the combination of a high number of dorsal scale rows at neck for a species with 17 DSR at midbody, internasal in contact with loreal, a high number of subcaudals, the uniform dorsal pattern, and the dark pigmentation of the throat abruptly contrasting with the pale colour of the venter, distinguish
<taxonomicName id="4C0E4D3EFFF0FF91FB69AE72FA21AB13" box="[1188,1436,1357,1382]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF0FF91FB69AE72FA21AB13" box="[1188,1436,1357,1382]" italics="true" pageId="2" pageNumber="167">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF0FF91FF5AAE4DFEBBABFC" box="[151,262,1394,1417]" pageId="2" pageNumber="167" rank="species">spec. nov.</taxonomicNameLabel>
from all other species of the genus
<taxonomicName id="4C0E4D3EFFF0FF91FD58AE4EFC93ABFF" box="[661,814,1393,1418]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF0FF91FD58AE4EFC93ABFF" box="[661,814,1393,1418]" italics="true" pageId="2" pageNumber="167">Opisthotropis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFF0FF91FF0AAEA9FAC0A84B" pageId="2" pageNumber="167" type="etymology">
<paragraph id="8BB136BDFFF0FF91FF0AAEA9FF68A86C" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AAEA9FEFBABDB" bold="true" box="[199,326,1430,1454]" pageId="2" pageNumber="167">Etymology</emphasis>
.—This species is named in honour of Mr Frédéric Durand, president of the naturalist association “Société dHistoire Naturelle Alcide dOrbigny” (Clermont-Ferrand,
<collectingCountry id="F319762DFFF0FF91FC7CAE85FBBFABA7" box="[945,1026,1466,1490]" name="France" pageId="2" pageNumber="167">France</collectingCountry>
), who supported our field trips and researches of the two first authors in
<collectingCountry id="F319762DFFF0FF91FDF2AEE0FDC5AB83" box="[575,632,1503,1526]" name="Laos" pageId="2" pageNumber="167">Laos</collectingCountry>
, and thus contributed to the better understanding of the herpetology of
<collectingCountry id="F319762DFFF0FF91FF5AAD3DFF6FA86C" box="[151,210,1538,1561]" name="Laos" pageId="2" pageNumber="167">Laos</collectingCountry>
.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AAD1AFAC0A84B" blockId="2.[151,1437,554,2030]" box="[199,1405,1573,1598]" pageId="2" pageNumber="167">
Suggested common names. Durands Mountain Stream Snake (English);
<taxonomicName id="4C0E4D3EFFF0FF91FC34AD1AFB2FA84B" box="[1017,1170,1573,1598]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="2" pageNumber="167" phylum="Chordata" rank="genus">Opisthotropis</taxonomicName>
de Durand (French).
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFF0FF97FF0AAD76FB2BAC1C" lastPageId="4" lastPageNumber="169" pageId="2" pageNumber="167" type="description">
<paragraph id="8BB136BDFFF0FF91FF0AAD76FB6EA963" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AAD76FE5DA817" bold="true" box="[199,480,1609,1634]" pageId="2" pageNumber="167">
Description of
<typeStatus id="54B5881FFFF0FF91FEB4AD75FE5DA817" box="[377,480,1610,1634]" pageId="2" pageNumber="167" type="holotype">holotype</typeStatus>
</emphasis>
.—Body stout, cylindrical; head short (3.3 % of SVL), barely distinct from the thick neck, depressed, flat anterior to eyes, dorsally covered with large shields; snout long, 31.1% of HL or 3.2 times longer than diameter of eye, blunt, relatively subrectangular seen from above and in profile, depressed; nostrils in dorsal position and directed forwards, crescentic and very narrow, nearly reduced to the shape of a slit, strongly oblique, piercing the middle and nearly dividing the whole of nasal; eye small, its diameter about 0.7 times of the distance between eye and lip, with a vertically elliptic pupil; tail long and tapering progressively.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AAC1CFF77A92B" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AAC1CFED4A94F" box="[199,361,1827,1850]" italics="true" pageId="2" pageNumber="167">Measurements</emphasis>
.—SVL:
<quantity id="4CF69B58FFF0FF91FE1DAC1DFD8CA94C" box="[464,561,1826,1850]" metricMagnitude="-1" metricUnit="m" metricValue="4.08" pageId="2" pageNumber="167" unit="mm" value="408.0">408 mm</quantity>
; TaL:
<quantity id="4CF69B58FFF0FF91FDB7AC1DFD67A94C" box="[634,730,1826,1850]" metricMagnitude="-1" metricUnit="m" metricValue="1.3" pageId="2" pageNumber="167" unit="mm" value="130.0">130 mm</quantity>
; TL:
<quantity id="4CF69B58FFF0FF91FCD5AC1EFCC4A94C" box="[792,889,1825,1850]" metricMagnitude="-1" metricUnit="m" metricValue="5.38" pageId="2" pageNumber="167" unit="mm" value="538.0">538 mm</quantity>
; ratio TaL/TL: 0.242; HL:
<quantity id="4CF69B58FFF0FF91FB67AC1DFA9DA94C" box="[1194,1312,1826,1850]" metricMagnitude="-2" metricUnit="m" metricValue="1.3279999999999998" pageId="2" pageNumber="167" unit="mm" value="13.28">13.28 mm</quantity>
; SnL:
<quantity id="4CF69B58FFF0FF91FAA6AC1EFF7BA92B" metricMagnitude="-3" metricUnit="m" metricValue="4.15" pageId="2" pageNumber="167" unit="mm" value="4.15">4.15 mm</quantity>
.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AAC54FDE7A9D3" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AAC54FE8CA9F7" box="[199,305,1899,1922]" italics="true" pageId="2" pageNumber="167">Dentition</emphasis>
.—Maxillary teeth: right maxilla with 22 small but relatively thick, curved subequal teeth, without any diastema; left maxilla with 23 teeth.
</paragraph>
<paragraph id="8BB136BDFFF0FF91FF0AAC8EFE75A99B" blockId="2.[151,1437,554,2030]" pageId="2" pageNumber="167">
<emphasis id="B97AEAAFFFF0FF91FF0AAC8EFECDA9BF" box="[199,368,1969,1994]" italics="true" pageId="2" pageNumber="167">Body scalation</emphasis>
.—DSR: (21)191717 scales, relatively large, imbricate scales, smooth throughout the body; DSR 12 slightly enlarged.
</paragraph>
<paragraph id="8BB136BDFFF1FF90FF5AABA8FE6AAEC5" blockId="3.[151,471,151,176]" box="[151,471,151,176]" pageId="3" pageNumber="168">Dorsal scale row reductions:</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AABDDFCDFAE8E" blockId="3.[151,897,224,327]" box="[199,866,224,252]" pageId="3" pageNumber="168">6+7 → 6 (VEN 6) (left) 4+3 → 3 (VEN 15) (left)</paragraph>
<paragraph id="8BB136BDFFF1FF90FF5AAA37FCCFAF32" blockId="3.[151,897,224,327]" pageId="3" pageNumber="168">21 ————————— 19 ————————— 17 6+7 → 6 (VEN 6) (right) 4+3 → 3 (VEN 21) (right)</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AAA47FC01AFE5" blockId="3.[151,1436,375,2021]" box="[199,956,375,400]" pageId="3" pageNumber="168">177 VEN (+ 2 preventrals); 88 SC, all paired; cloacal plate divided.</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AAAA3FD3EAAB7" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">
<emphasis id="B97AEAAFFFF1FF90FF0AAAA3FECEAFC0" box="[199,371,412,437]" italics="true" pageId="3" pageNumber="168">Head scalation</emphasis>
.—Rostral pentagonal, 1.5 times wider than high, visible from above; nasals large, distinctly directed forwards, subtriangular, much wider than high, obliquely divided by the long, narrow nostril and a short furrow below the nostril; internasals 2, narrow, triangular, strongly curved with its apex directed outwards and widely divergent each from the other, maximum width about 1.6 times greater than the suture between internasals or 1.2 times greater than maximum length; each internasal in contact with rostral, nasal, loreal and prefrontal; prefrontal single, broad but relatively narrow, subrectangular, much broader than long, in contact with the preocular and the loreal on each side; frontal hexagonal with its apex directed posteriorly, 1.5 times longer than prefrontal and 1.4 times wider than long; parietals long and wide, in contact for 1.1 times length of frontal; supraocular 1 / 1, small, about 0.25 times as wide as the frontal; loreal 1 / 1, subrectangular, large and entire, about 1.2 times longer than high, both broadly in contact with internasal on each side; preocular 1 / 1, large, about 0.8 times as high as eye diameter, not reaching frontal, in broad contact with prefrontal; postoculars 2 / 2, similar in size; at left, another scale, considered a “post postocular”, inserted between the lower postocular, anterior temporal, and 5th and 6th supralabials; subocular absent; supralabials 6 / 7, followed on each side, below the lower posterior temporal, by an enlarged, elongate scale that not border the lip; 1st3rd SL distinctly higher than long (diagnostic characters of
<taxonomicName id="4C0E4D3EFFF1FF90FF5AA8A3FE8DADC0" box="[151,304,924,949]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="3" pageNumber="168" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF1FF90FF5AA8A3FE8DADC0" box="[151,304,924,949]" italics="true" pageId="3" pageNumber="168">Opisthotropis</emphasis>
</taxonomicName>
), 4th SL largest, 1.1 times higher than long, 5th6th or 7th SL longer than high; 1st SL distinctly directed forwards; 1st and 2nd SL in contact with nasal, 2nd and 3rd SL in contact with loreal, 4th SL, large, entering orbit on both sides, 5th slightly shorter than 4th one but large, separated from orbit by the lower postocular, 6th SL at left, 6th and 7th SL at right distinctly shorter than 4th SL; temporals 1+2+3 / 1+2+3, anterior one largest and elongate, in broad contact with 5th and 6th SL and anterior part of parietal, middle temporals smaller, posterior temporals poorly differentiated from scales of the neck; infralabials 8 / 8, first pair in contact behind small mental, 1st5th / 1st4th
<collectingCountry id="F319762DFFF1FF90FA4FAF60FA21AA03" box="[1410,1436,1119,1142]" name="Iceland" pageId="3" pageNumber="168">IL</collectingCountry>
in contact with anterior chin shields, 4th and 5th
<collectingCountry id="F319762DFFF1FF90FD64AFB9FD7EAAE8" box="[681,707,1158,1181]" name="Iceland" pageId="3" pageNumber="168">IL</collectingCountry>
largest; posterior chin shields about 0.8 times as long as anterior ones, separated from each other by 3 scales.
</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AAFF0FF65ABB0" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">
<emphasis id="B97AEAAFFFF1FF90FF0AAFF0FEFFAA9D" box="[199,322,1231,1256]" italics="true" pageId="3" pageNumber="168">Coloration</emphasis>
.—In life, the upper dorsal surface above the 5th dorsal scale row dark greyish-brown with bronze tints; the whole of the neck and the sides of the body up to the vent rather pale bronze-brown or greenishyellowish-brown, paler than the dorsum, with scales broadly edged posteriorly with yellowish-ochre; the faint but sharp limit between the dark, upper and paler, lateral colourations, running on the centre of the 5th dorsal row; scales of the 1st dorsal scale row bronze-brown heavily mixed with the pale ochre-brown pigmentation of the venter. The dorsal surface of the tail is entirely dark greyish-brown as the dorsum, with some yellowish-ochre areas.
</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AAEEEFB52A808" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">
Head uniformly pale bronze-brown as the sides of the body, turning to dark greyish-brown on the snout and much of the frontal; parietals variegated with dark brown; four anterior supralabials dark greyish-brown, posteriors supralabials irregularly dotted or variegated with yellowish-ochre.
<collectingCountry id="F319762DFFF1FF90FC65AD26FC5CA847" box="[936,993,1561,1586]" name="China" pageId="3" pageNumber="168">Chin</collectingCountry>
, throat and first preventral very dark greyish-brown, with some faint paler brown dots; this dark colour contrasts sharply with the pale ventral colour at the level of the 2nd preventral, nearly entirely pale; infralabials with traces of paler yellowish-ochre.
</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AADB6FBCCA979" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">Venter pale pinkish brown or pinkish-ochre yellow, depending on lighting conditions, irregularly scattered with dark brown dots, especially present near their outer margins; cloacal scale with dark brown dots. Under surface of the tail strongly clouded with dark greyish-brown anteriorly, this pigmentation covering progressively the subcaudals; posterior part of the tail entirely dark greyish-brown, with some paler areas.</paragraph>
<paragraph id="8BB136BDFFF1FF90FF5AAC26FAABA920" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">In preservative, the pattern and pigmentation are similar, although somewhat darker, but the limit between the dark dorsal and the paler lateral pigmentations is more or less visible and depends on the lighting condition.</paragraph>
<paragraph id="8BB136BDFFF1FF90FF0AAC5FFB75A9E8" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">
<emphasis id="B97AEAAFFFF1FF90FF0AAC5FFE8AA90C" bold="true" box="[199,311,1888,1913]" pageId="3" pageNumber="168">Variation</emphasis>
.—The
<typeStatus id="54B5881FFFF1FF90FE58AC5EFE45A90C" box="[405,504,1889,1913]" pageId="3" pageNumber="168" type="paratype">paratype</typeStatus>
, an adult male (
<figureCitation id="13352A38FFF1FF90FD04AC5FFCA8A90C" box="[713,789,1888,1913]" captionStart="FIGURE 4" captionStartId="10.[151,250,1420,1442]" captionTargetBox="[151,1436,481,1384]" captionTargetId="figure@10.[151,1436,481,1385]" captionTargetPageId="10" captionText="FIGURE 4. Opisthotropis durandi spec. nov., paratype (IEBR A. 2013.26), alive in its natural biotope, Mok Waterfall, at about 4 km east of Ban Sopkhong, Ngoi District, Louangphabang Province, Laos. Photograph by Alexandre Teynié." figureDoi="http://doi.org/10.5281/zenodo.248428" httpUri="https://zenodo.org/record/248428/files/figure.png" pageId="3" pageNumber="168">Fig. 4</figureCitation>
), agrees in overall morphological characters, habitus, scalation, coloration and pattern with those given for the
<typeStatus id="54B5881FFFF1FF90FCDBACBBFCC1A9E8" box="[790,892,1924,1949]" pageId="3" pageNumber="168" type="holotype">holotype</typeStatus>
. Differences are given below.
</paragraph>
<paragraph id="8BB136BDFFF1FF90FF5AAC96FE0CA990" blockId="3.[151,1436,375,2021]" pageId="3" pageNumber="168">
In taking into account the scalation data of the
<typeStatus id="54B5881FFFF1FF90FD7AAC96FCA7A9B4" box="[695,794,1961,1985]" pageId="3" pageNumber="168" type="paratype">paratype</typeStatus>
, an adult male, main variation of
<taxonomicName id="4C0E4D3EFFF1FF90FB6CAC97FA21A9B4" box="[1185,1436,1960,1985]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="3" pageNumber="168" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF1FF90FB6CAC97FA21A9B4" box="[1185,1436,1960,1985]" italics="true" pageId="3" pageNumber="168">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF1FF90FF5AACF2FEBBA991" box="[151,262,1997,2020]" pageId="3" pageNumber="168" rank="species">spec. nov.</taxonomicNameLabel>
are as follows:
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AABA8FD7DAEA0" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<emphasis id="B97AEAAFFFF6FF97FF0AABA8FF42AEC5" box="[199,255,151,176]" italics="true" pageId="4" pageNumber="169">Body</emphasis>
. Ratio TaL/TL: 0.242 (female
<typeStatus id="54B5881FFFF6FF97FD90ABA8FD79AEC5" box="[605,708,151,176]" pageId="4" pageNumber="169" type="holotype">holotype</typeStatus>
); 0.255 (male
<typeStatus id="54B5881FFFF6FF97FCABABA7FC71AEC5" box="[870,972,152,176]" pageId="4" pageNumber="169" type="paratype">paratype</typeStatus>
); (21)191717 or 191717 DSR; 177 181 VEN (+ 2 preventrals); 8890 SC, all paired.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AABDDFB7DAF18" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<emphasis id="B97AEAAFFFF6FF97FF0AABDDFECDAE8E" box="[199,368,226,251]" italics="true" pageId="4" pageNumber="169">Head scalation</emphasis>
. Nasal large, obliquely divided by the long nostril in both specimens; 6 or 7 supralabials, 4th SL entering orbit on both sides in the
<typeStatus id="54B5881FFFF6FF97FDD8AA36FDC7AF57" box="[533,634,265,290]" pageId="4" pageNumber="169" type="holotype">holotype</typeStatus>
, 4th at right and 4th and tip of 5th at left in the
<typeStatus id="54B5881FFFF6FF97FBA7AA35FB73AF57" box="[1130,1230,266,290]" pageId="4" pageNumber="169" type="paratype">paratype</typeStatus>
; 1 large preocular, 2 postoculars, equal in size; 1+2+3 / 1+2+3 temporals in both specimens; infralabials 8 /
<quantity id="4CF69B58FFF6FF97FB4DAA11FB11AF33" box="[1152,1196,301,326]" metricMagnitude="-1" metricUnit="m" metricValue="2.032" pageId="4" pageNumber="169" unit="in" value="8.0">8 in</quantity>
the
<typeStatus id="54B5881FFFF6FF97FB11AA12FAFCAF33" box="[1244,1345,301,326]" pageId="4" pageNumber="169" type="holotype">holotype</typeStatus>
, 7 /
<quantity id="4CF69B58FFF6FF97FABCAA11FA21AF33" box="[1393,1436,301,326]" metricMagnitude="-1" metricUnit="m" metricValue="1.778" pageId="4" pageNumber="169" unit="in" value="7.0">7 in</quantity>
the
<typeStatus id="54B5881FFFF6FF97FF0DAA6AFE99AF18" box="[192,292,341,365]" pageId="4" pageNumber="169" type="paratype">paratype</typeStatus>
; 1st4th or 1st5th
<collectingCountry id="F319762DFFF6FF97FE11AA6AFE4AAF19" box="[476,503,341,364]" name="Iceland" pageId="4" pageNumber="169">IL</collectingCountry>
in contact with anterior chin shields, 4th and 5th or 5th
<collectingCountry id="F319762DFFF6FF97FB81AA6AFBDBAF19" box="[1100,1126,341,364]" name="Iceland" pageId="4" pageNumber="169">IL</collectingCountry>
largest.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AAA47FB2BAC1C" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<emphasis id="B97AEAAFFFF6FF97FF0AAA47FEE7AFE4" bold="true" box="[199,346,376,401]" pageId="4" pageNumber="169">Comparison</emphasis>
.—The comparison of
<taxonomicName id="4C0E4D3EFFF6FF97FDBEAA47FCC8AFE4" box="[627,885,376,401]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FDBEAA47FCC8AFE4" box="[627,885,376,401]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FC49AA46FC41AFE5" box="[900,1020,377,400]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
with other species of the genera
<taxonomicName id="4C0E4D3EFFF6FF97FF5AAAA3FE8DAFC0" box="[151,304,412,437]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF6FF97FF5AAAA3FE8DAFC0" box="[151,304,412,437]" italics="true" pageId="4" pageNumber="169">Opisthotropis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFF6FF97FEAAAAA3FDA8AFC0" box="[359,533,412,437]" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF6FF97FEAAAAA3FDA8AFC0" box="[359,533,412,437]" italics="true" pageId="4" pageNumber="169">Paratapinophis</emphasis>
</taxonomicName>
and two species previously placed in the genus
<taxonomicName id="4C0E4D3EFFF6FF97FBF8AAA3FB73AFC0" box="[1077,1230,412,437]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF6FF97FBF8AAA3FB73AFC0" box="[1077,1230,412,437]" italics="true" pageId="4" pageNumber="169">Opisthotropis</emphasis>
</taxonomicName>
, i.e.
<taxonomicName id="4C0E4D3EFFF6FF97FACBAAA3FEA6AFAD" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FACBAAA3FEA6AFAD" italics="true" pageId="4" pageNumber="169">Parahelicops annamensis</emphasis>
</taxonomicName>
and “
<taxonomicName id="4C0E4D3EFFF6FF97FEA7AAFFFDBEAFAC" box="[362,515,448,473]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="genus">
<emphasis id="B97AEAAFFFF6FF97FEA7AAFFFDBEAFAC" box="[362,515,448,473]" italics="true" pageId="4" pageNumber="169">Opisthotropis</emphasis>
</taxonomicName>
<taxonomicName id="4C0E4D3EFFF6FF97FDD1AAFFFD2CAFAC" box="[540,657,448,473]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="boonsongi">
<emphasis id="B97AEAAFFFF6FF97FDD1AAFFFD2CAFAC" box="[540,657,448,473]" italics="true" pageId="4" pageNumber="169">boonsongi</emphasis>
</taxonomicName>
, is based on examined specimens listed in Appendix and on the following references:
<bibRefCitation id="EF9F4B4CFFF6FF97FE5FAADBFDE0AF88" author="Boulenger" box="[402,605,484,509]" pageId="4" pageNumber="169" refString="Boulenger, G. A. (1893) Catalogue of the snakes in the British Museum (Natural History), Vol. I., containing the families Typhlopidae, Glauconiidae, Boidae, Ilysiidae, Uropeltidae, Xenopeltidae, and Colubridae Aglyphae, part. British Museum of Natural History, London, xiii + 448 pp., Pls. 1 - 28." type="book chapter" year="1893">Boulenger (1893)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FDA1AADAFD46AF88" author="Pope" box="[620,763,484,509]" pageId="4" pageNumber="169" refString="Pope, C. H. (1935) The reptiles of China. Turtles, crocodilians, snakes, lizards. American Museum of Natural History, New York, Natural History of Central Asia, Vol. 10, xlii + 604 pp., Pl. 1 - 27." type="book chapter" year="1935">Pope (1935)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FCC7AADBFC19AF88" author="Smith" box="[778,932,484,509]" pageId="4" pageNumber="169" refString="Smith, M. A. (1943) The Fauna of British India, Ceylon and Burma, including the whole of the Indo-chinese subregion. Reptilia and Amphibia. Vol. III, Serpentes. Taylor &amp; Francis, London, xii + 583 pp." type="book" year="1943">Smith (1943)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FC7EAADAFB54AF88" author="Brown" box="[947,1257,484,509]" pageId="4" pageNumber="169" refString="Brown, W. C. &amp; Leviton, A. E. (1961) Discovery of the snake genus Opisthotropis in the Philippine Islands, with description of a new species. Occasional Papers of the Natural History Museum of Stanford University, 8, 1 - 5." type="journal article" year="1961">Brown and Leviton (1961)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FB35AADBFA2AAF88" author="Taylor" box="[1272,1431,484,509]" pageId="4" pageNumber="169" refString="Taylor, E. H. (1965) The serpents of Thailand and adjacent waters. University of Kansas Science Bulletin, 45 (9), 609 - 1096." type="journal article" year="1965">Taylor (1965)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FF5AA936FEF9AC54" author="Toyama" box="[151,324,521,545]" pageId="4" pageNumber="169" refString="Toyama, M. (1983). Taxonomic reassignement of the colubrid snake, Opheodrys kikuzatoi, from Kume-jima Island, Ryukyu Archipelago. Japanese Journal of Herpetology, 10 (2), 33 - 38." type="journal article" year="1983">Toyama (1983)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FE9DA936FD87AC54" author="Ota" box="[336,570,520,545]" pageId="4" pageNumber="169" refString="Ota, H. &amp; Mori, A. (1985) On the fourth specimen of Opisthotropis kikuzatoi. The Snake, 17 (2), 160 - 162." type="journal article" year="1985">Ota and Mori (1985)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FD8BA937FD5EAC54" author="Alcala" box="[582,739,520,545]" pageId="4" pageNumber="169" refString="Alcala, A. C. (1986) Guide to Philippine flora and fauna. Vol. X. Amphibians and reptiles. Natural Resources Management Center, Ministry of Natural Resources and University of the Philippines, Manila, xiv + 195 pp." type="book" year="1986">Alcala (1986)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FD22A937FBE1AC54" author="Manthey" box="[751,1116,520,545]" pageId="4" pageNumber="169" refString="Manthey, U. &amp; Grossmann, W. (1997) Amphibien &amp; Reptilien Sudostasiens. Natur und Tier-Verlag, Munster, 512 pp." type="book" year="1997">Manthey and Grossmann (1997)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FBA5A937FA86AC54" box="[1128,1339,520,545]" pageId="4" pageNumber="169" refString="Orlov, N., Darevsky, I. S. &amp; Murphy, R. W. (1998) A new species of mountain stream snake, genus Opisthotrophis Gunther, 1872 (Serpentes: Colubridae: Natricinae) from the tropical rain forests of southern Vietnam. Russian Journal of Herpetology, 5 (1), 61 - 64." type="journal article">
Orlov
<emphasis id="B97AEAAFFFF6FF97FB7DA936FB5CAC54" box="[1200,1249,520,545]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (1998)
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FA8AA937FEBAAC30" pageId="4" pageNumber="169" refString="Zhao, E. M., Huang, M. H., Zong, Y., Zheng, J., Huang, Z. J., Yang, D. &amp; Li, D. J. (Eds.) (1998) Fauna Sinica. Reptilia Vol. 3. Squamata Serpentes. Science Press, Beijing, xvii + 522 pp., Pl. I - VIII, Col. Pl. I - IV. (In Chinese)." type="book">
Zhao
<emphasis id="B97AEAAFFFF6FF97FA45A936FF10AC30" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (1998)
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FEDFA913FDB0AC30" box="[274,525,556,581]" pageId="4" pageNumber="169" refString="Malkmus, R., Manthey, U., Vogel, G., Hoffmann, P. &amp; Kosuch, J. (2002) Amphibians and reptiles of Mount Kinabalu (North Borneo). A. R. G. Gantner Verlag K. G., Ruggell, 424 pp." type="book">
Malkmus
<emphasis id="B97AEAAFFFF6FF97FE4FA912FE0EAC30" box="[386,435,556,581]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (2002)
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FDD5A913FD21AC30" author="Zhao" box="[536,668,556,581]" pageId="4" pageNumber="169" refString="Zhao, E. M. (2004) A re-description of Opisthotropis cheni Zhao, 1999 (Serpentes: Colubridae). Sichuan Journal of Zoology, 24 (3), 342 - 343." type="journal article" year="2004">Zhao (2004</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FD6AA913FD5EAC30" author="Zhao" box="[679,739,556,581]" pageId="4" pageNumber="169" refString="Zhao, E. M. (2006) Zhongguo Shelei. Anhui Science and Technology Publishing House Publishing, Hefei (Anhui Province), Vol. I, 372 pp; Vol. II, 279 pp. (In Chinese)." type="book" year="2006">2006</bibRefCitation>
),
<bibRefCitation id="EF9F4B4CFFF6FF97FD38A912FBF7AC30" author="Stuart" box="[757,1098,556,581]" pageId="4" pageNumber="169" refString="Stuart, B. L. &amp; Chuaynkern, Y. (2007) A new Opisthotropis (Serpentes: Colubridae: Natricinae) from Northeastern Thailand. Current Herpetology, 26 (1), 35 - 40." type="journal article" year="2007">Stuart and Chuaynkern (2007)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FB98A913FAFDAC30" box="[1109,1344,556,581]" pageId="4" pageNumber="169" refString="Murphy, J. C., Chan-ard, T., Mekchai, S., Cota, M. &amp; Voris, H. K. (2008) The rediscovery of Angel's stream snake, Paratapinophis praemaxillaris Angel, 1929 (Reptilia: Serpentes: Natricidae). The Natural History Journal of Chulalongkorn University, 8 (2), 169 - 183." type="journal article">
Murphy
<emphasis id="B97AEAAFFFF6FF97FB78A912FB5BAC30" box="[1205,1254,556,581]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (2008)
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FA86A913FE9EAC1C" pageId="4" pageNumber="169" refString="Ziegler, T., David, P. &amp; Vu, N. T. (2008) A new natricine snake of the genus Opisthotropis from Tam Dao, Vinh Phuc Province, northern Vietnam (Squamata, Colubridae). Zoosystematics and Evolution, Berlin, 84 (2), 197 - 203." type="journal article">
Ziegler
<emphasis id="B97AEAAFFFF6FF97FF5AA96EFF75AC1C" box="[151,200,592,617]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (2008)
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FEE3A96FFDDEAC1C" author="Iskandar" box="[302,611,592,617]" pageId="4" pageNumber="169" refString="Iskandar, D. T. &amp; Kamsi, K. (2009) On the second specimen of Opisthotropis rugosus (van Lidth de Jeude, 1890) (Colubridae, Natricinae). Hamadryad, 34 (1), 107 - 110." type="journal article" year="2009">Iskandar and Kamsi (2009)</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FDA3A96FFCF9AC1C" box="[622,836,592,617]" pageId="4" pageNumber="169" refString="David, P., Pham, C. T., Nguyen, T. Q. &amp; Ziegler, T. (2011) A new species of the genus Opisthotropis Gunther, 1872 (Squamata: Natricidae) from the highlands of Kon Tum Province, Vietnam. Zootaxa, 2758, 43 - 56." type="journal article">
David
<emphasis id="B97AEAAFFFF6FF97FD74A96EFD57AC1C" box="[697,746,592,617]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (2011)
</bibRefCitation>
, and
<bibRefCitation id="EF9F4B4CFFF6FF97FCB2A96EFBFFAC1C" author="Yang" box="[895,1090,592,617]" pageId="4" pageNumber="169" refString="Yang, J. H., Wang, Y. Y., Zhang, B., Lau, M. W. - N. &amp; Chou, W. - H. (2011) Revision of the diagnostic characters of Opisthotropis maculosa Stuart and Chuaynkern, 2007 with notes on its distribution and variation, and a key to the genus Opisthotropis (Squamata: Natricidae). Zootaxa, 2785, 61 - 68." type="journal article" year="2011">
Yang
<emphasis id="B97AEAAFFFF6FF97FC0DA96EFC4FAC1C" box="[960,1010,592,617]" italics="true" pageId="4" pageNumber="169">et al</emphasis>
. (2011
</bibRefCitation>
,
<bibRefCitation id="EF9F4B4CFFF6FF97FB80A96EFB37AC1C" author="Yang" box="[1101,1162,593,617]" pageId="4" pageNumber="169" refString="Yang, J. H., Sung, Y. - H. &amp; Chou, B. P. - L. (2013) A new species of the genus Opisthotropis Gunther, 1872 (Squamata: Colubridae: Natricinae) from Guangdong Province, China. Zootaxa, 3646 (3), 289 - 296. http: // dx. doi. org / 10.11646 / zootaxa. 3646.3.7" type="journal article" year="2013">2013</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFF6FF9AFF0AA94BFD98AB11" lastPageId="9" lastPageNumber="174" pageId="4" pageNumber="169" type="reference_group">
<paragraph id="8BB136BDFFF6FF97FF0AA94BFB78AC8D" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<taxonomicName id="4C0E4D3EFFF6FF97FF0AA94BFE7FACF8" box="[199,450,628,653]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FF0AA94BFE7FACF8" box="[199,450,628,653]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FE06A94AFD81ACF9" box="[459,572,629,652]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs by its number of dorsal scale rows at midbody (17) from following species with 19 rows:
<taxonomicName id="4C0E4D3EFFF6FF97FE57A9A6FC90ACC4" authority="Brown &amp; Leviton, 1961" authorityName="Brown &amp; Leviton" authorityYear="1961" box="[410,813,664,689]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="alcalai">
<emphasis id="B97AEAAFFFF6FF97FE57A9A6FDB1ACC4" box="[410,524,664,689]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FE57A9A6FE0CACC5" box="[410,433,665,688]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. alcalai
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FDDBA9A6FC90ACC4" author="Brown" box="[534,813,664,689]" pageId="4" pageNumber="169" refString="Brown, W. C. &amp; Leviton, A. E. (1961) Discovery of the snake genus Opisthotropis in the Philippine Islands, with description of a new species. Occasional Papers of the Natural History Museum of Stanford University, 8, 1 - 5." type="journal article" year="1961">Brown &amp; Leviton, 1961</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FCF6A9A6FBE0ACC4" authority="Cope, 1895" authorityName="Cope" authorityYear="1895" box="[827,1117,664,689]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="balteata">
<emphasis id="B97AEAAFFFF6FF97FCF6A9A6FC01ACC4" box="[827,956,664,689]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCF6A9A6FCEFACC5" box="[827,850,665,688]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. balteata
</emphasis>
(
<bibRefCitation id="EF9F4B4CFFF6FF97FC00A9A6FBE8ACC4" author="Cope" box="[973,1109,664,689]" pageId="4" pageNumber="169" refString="Cope, E. D. (1895) On a collection of Batrachia and Reptilia from the Island of Hainan. Proceedings of the Academy of Natural Sciences of Philadelphia, 46 [1894], 423 - 428." type="journal article" year="1895">Cope, 1895</bibRefCitation>
)
</taxonomicName>
, “
<taxonomicName id="4C0E4D3EFFF6FF97FBB5A9A7FA32ACC4" authority="Taylor &amp; Elbel, 1958" authorityName="Taylor &amp; Elbel" authorityYear="1958" box="[1144,1423,664,689]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="boonsongi">
<emphasis id="B97AEAAFFFF6FF97FBB5A9A7FA32ACC4" box="[1144,1423,664,689]" italics="true" pageId="4" pageNumber="169">Opisthotropis boonsongi</emphasis>
</taxonomicName>
” (
<bibRefCitation id="EF9F4B4CFFF6FF97FF53A983FE24ACA0" author="Taylor" box="[158,409,700,725]" pageId="4" pageNumber="169" refString="Taylor, E. H. &amp; Elbel, R. E. (1958) Contribution to the herpetology of Thailand. University of Kansas Science Bulletin, 38 (2), 1033 - 1189." type="journal article" year="1958">Taylor &amp; Elbel, 1958</bibRefCitation>
),
<taxonomicName id="4C0E4D3EFFF6FF97FE7DA982FC5DACA0" authority="David, Pham, Nguyen &amp; Ziegler, 2011" authorityName="David, Pham, Nguyen &amp; Ziegler" authorityYear="2011" box="[432,992,700,725]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="cucae">
<emphasis id="B97AEAAFFFF6FF97FE7DA982FDA8ACA1" box="[432,533,701,724]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FE7DA982FE7AACA1" box="[432,455,701,724]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. cucae
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FDD2A983FC5DACA0" author="David" box="[543,992,700,725]" pageId="4" pageNumber="169" refString="David, P., Pham, C. T., Nguyen, T. Q. &amp; Ziegler, T. (2011) A new species of the genus Opisthotropis Gunther, 1872 (Squamata: Natricidae) from the highlands of Kon Tum Province, Vietnam. Zootaxa, 2758, 43 - 56." type="journal article" year="2011">David, Pham, Nguyen &amp; Ziegler, 2011</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FC23A982FA98ACA0" authority="Pope, 1928" authorityName="Pope" authorityYear="1928" box="[1006,1317,700,725]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kuatunensis">
<emphasis id="B97AEAAFFFF6FF97FC23A982FB2AACA0" box="[1006,1175,700,725]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FC23A982FBB8ACA1" box="[1006,1029,701,724]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kuatunensis
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FB6CA982FA98ACA0" author="Pope" box="[1185,1317,701,725]" pageId="4" pageNumber="169" refString="Pope, C. H. (1928) Seven new reptiles from Fukien Province, China. American Museum Novitates, 320, 1 - 6." type="journal article" year="1928">Pope, 1928</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FAFEA982FED8AC8C" authority="Mocquard, 1890" authorityName="Mocquard" authorityYear="1890" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="typica">
<emphasis id="B97AEAAFFFF6FF97FAFEA982FA26ACA1" box="[1331,1435,701,724]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FAFEA982FAF7ACA1" box="[1331,1354,701,724]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. typica
</emphasis>
(
<bibRefCitation id="EF9F4B4CFFF6FF97FF53A9DFFEE0AC8C" author="Mocquard" box="[158,349,736,761]" pageId="4" pageNumber="169" refString="Mocquard, F. (1890) Recherches sur la faune herpetologique des iles de Borneo et de Palawan. Nouvelles Archives du Museum d'Histoire Naturelle de Paris, 3 (2), 115 - 168." type="journal article" year="1890">Mocquard, 1890</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FEBDA9DFFCE2AC8C" authority="Angel, 1929" authorityName="Angel" authorityYear="1929" box="[368,863,736,761]" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="praemaxillaris">
<emphasis id="B97AEAAFFFF6FF97FEBDA9DFFD76AC8C" box="[368,715,736,761]" italics="true" pageId="4" pageNumber="169">Paratapinophis praemaxillaris</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FD1FA9DFFCE2AC8C" author="Angel" box="[722,863,736,761]" pageId="4" pageNumber="169" refString="Angel, F. (1929) Liste des Reptiles et Batraciens du Haut-Laos recueillis par M. Delacour. Description d'un genre, de deux especes et d'une variete d'Ophidiens. Bulletin du Museum d'Histoire Naturelle, Paris, (2), 1 (1), 75 - 81." type="journal article" year="1929">Angel, 1929</bibRefCitation>
</taxonomicName>
, and from
<taxonomicName id="4C0E4D3EFFF6FF97FC1AA9DEFB98AC8C" box="[983,1061,736,761]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="laui">
<emphasis id="B97AEAAFFFF6FF97FC1AA9DEFB98AC8C" box="[983,1061,736,761]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FC1AA9DEFC53AC8D" box="[983,1006,737,760]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. laui
</emphasis>
</taxonomicName>
with 23 rows.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AA83BFEC1AAF0" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
Furthermore,
<taxonomicName id="4C0E4D3EFFF6FF97FEA8A83BFDDFAD68" box="[357,610,772,797]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FEA8A83BFDDFAD68" box="[357,610,772,797]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FDA1A83AFD5DAD69" box="[620,736,773,796]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from these species, at the exception of
<taxonomicName id="4C0E4D3EFFF6FF97FAC1A83AFAC9AD69" box="[1292,1396,773,796]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="cucae">
<emphasis id="B97AEAAFFFF6FF97FAC1A83AFAC9AD69" box="[1292,1396,773,796]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FAC1A83AFA9EAD69" box="[1292,1315,773,796]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. cucae
</emphasis>
</taxonomicName>
, in having 21 dorsal scale rows on the neck vs. only
<quantity id="4CF69B58FFF6FF97FD7BA816FD52AD34" box="[694,751,808,833]" metricMagnitude="-1" metricUnit="m" metricValue="4.826" pageId="4" pageNumber="169" unit="in" value="19.0">19 in</quantity>
the aforementioned species;
<taxonomicName id="4C0E4D3EFFF6FF97FBFEA816FB2BAD35" box="[1075,1174,809,832]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="cucae">
<emphasis id="B97AEAAFFFF6FF97FBFEA816FB2BAD35" box="[1075,1174,809,832]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FBFEA816FBF7AD35" box="[1075,1098,809,832]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. cucae
</emphasis>
</taxonomicName>
has 23 then 21 rows on the neck. Other noteworthy differences are as follows:
<taxonomicName id="4C0E4D3EFFF6FF97FD31A873FC49AD10" box="[764,1012,844,869]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FD31A873FC49AD10" box="[764,1012,844,869]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FC36A872FBD7AD11" box="[1019,1130,845,868]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FB30A872FAD1AD10" box="[1277,1388,844,869]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="alcalai">
<emphasis id="B97AEAAFFFF6FF97FB30A872FAACAD11" box="[1277,1297,845,868]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB30A872FAACAD11" box="[1277,1297,845,868]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFF6FF97FAD2A873FAD1AD10" box="[1311,1388,844,869]" italics="true" pageId="4" pageNumber="169">alcalai</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFF6FF97FF5AA84EFF43ADFD" box="[151,254,881,904]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="typica">
<emphasis id="B97AEAAFFFF6FF97FF5AA84EFF43ADFD" box="[151,254,881,904]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FF5AA84EFF13ADFD" box="[151,174,881,904]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. typica
</emphasis>
</taxonomicName>
in having a single prefrontal vs.
<quantity id="4CF69B58FFF6FF97FDB9A84EFD1DADFC" box="[628,672,880,905]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="4" pageNumber="169" unit="in" value="2.0">2 in</quantity>
these two species.
<taxonomicName id="4C0E4D3EFFF6FF97FCB7A84FFBCEADFC" box="[890,1139,880,905]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FCB7A84FFBCEADFC" box="[890,1139,880,905]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FBB6A84EFB56ADFD" box="[1147,1259,881,904]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FA4CA84EFF4EADD8" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="balteata">
<emphasis id="B97AEAAFFFF6FF97FA4CA84EFA28ADFD" box="[1409,1429,881,904]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FA4CA84EFA28ADFD" box="[1409,1429,881,904]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFF6FF97FF5AA8ABFF4EADD8" box="[151,243,916,941]" italics="true" pageId="4" pageNumber="169">balteata</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FECCA8AAFE25ADD8" box="[257,408,916,941]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="boonsongi">
<collectingCountry id="F319762DFFF6FF97FECCA8AAFEA8ADD9" box="[257,277,917,940]" name="Iceland" pageId="4" pageNumber="169">
<emphasis id="B97AEAAFFFF6FF97FECCA8AAFEA8ADD9" box="[257,277,917,940]" italics="true" pageId="4" pageNumber="169">O</emphasis>
</collectingCountry>
.
<emphasis id="B97AEAAFFFF6FF97FEE9A8ABFE25ADD8" box="[292,408,916,941]" italics="true" pageId="4" pageNumber="169">boonsongi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FE65A8AAFDF2ADD8" box="[424,591,916,941]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kuatunensis">
<emphasis id="B97AEAAFFFF6FF97FE65A8AAFDF2ADD8" box="[424,591,916,941]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FE65A8AAFE02ADD9" box="[424,447,917,940]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kuatunensis
</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF6FF97FD43A8AAFD4BADD9" box="[654,758,917,940]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="typica">
<emphasis id="B97AEAAFFFF6FF97FD43A8AAFD1FADD9" box="[654,674,917,940]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FD43A8AAFD1FADD9" box="[654,674,917,940]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFF6FF97FD7CA8AAFD4BADD9" box="[689,758,917,940]" italics="true" pageId="4" pageNumber="169">typica</emphasis>
</taxonomicName>
by its dorsal scales entirely smooth vs. keeled thoughout or at least posteriorly in these species.
<taxonomicName id="4C0E4D3EFFF6FF97FDE0A887FC9AADA4" box="[557,807,952,977]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FDE0A887FC9AADA4" box="[557,807,952,977]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FCE3A886FC23ADA5" box="[814,926,953,976]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FBF9A886FB0EADA4" box="[1076,1203,952,977]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="balteata">
<emphasis id="B97AEAAFFFF6FF97FBF9A886FBF5ADA5" box="[1076,1096,953,976]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FBF9A886FBF5ADA5" box="[1076,1096,953,976]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFF6FF97FB9AA887FB0EADA4" box="[1111,1203,952,977]" italics="true" pageId="4" pageNumber="169">balteata</emphasis>
</taxonomicName>
, “
<taxonomicName id="4C0E4D3EFFF6FF97FB03A886FAD8ADA4" box="[1230,1381,952,977]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="boonsongi">
<emphasis id="B97AEAAFFFF6FF97FB03A886FAD8ADA4" box="[1230,1381,952,977]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB03A886FB58ADA5" box="[1230,1253,953,976]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. boonsongi
</emphasis>
</taxonomicName>
”,
<taxonomicName id="4C0E4D3EFFF6FF97FA4CA886FEA6AD80" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kuatunensis">
<emphasis id="B97AEAAFFFF6FF97FA4CA886FEA6AD80" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FA4CA886FA25ADA5" box="[1409,1432,953,976]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kuatunensis
</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF6FF97FE97A8E2FDA1AD80" box="[346,540,988,1013]" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="praemaxillaris">
<emphasis id="B97AEAAFFFF6FF97FE97A8E2FDA1AD80" box="[346,540,988,1013]" italics="true" pageId="4" pageNumber="169">P. praemaxillaris</emphasis>
</taxonomicName>
in having internasals in contact with loreal vs. separated in these species. With 177180 ventrals,
<taxonomicName id="4C0E4D3EFFF6FF97FEABAF3FFDE3AA6C" box="[358,606,1024,1049]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FEABAF3FFDE3AA6C" box="[358,606,1024,1049]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FDA9AF3EFD6EAA6D" box="[612,723,1025,1048]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FCABAF3EFC40AA6C" box="[870,1021,1024,1049]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="boonsongi">
<emphasis id="B97AEAAFFFF6FF97FCABAF3EFC40AA6C" box="[870,1021,1024,1049]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCABAF3EFCC0AA6D" box="[870,893,1025,1048]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. boonsongi
</emphasis>
</taxonomicName>
(136140 VEN) and
<taxonomicName id="4C0E4D3EFFF6FF97FB23AF3FFE81AA48" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="praemaxillaris">
<emphasis id="B97AEAAFFFF6FF97FB23AF3FFE81AA48" italics="true" pageId="4" pageNumber="169">Paratapinophis praemaxillaris</emphasis>
</taxonomicName>
(145155). Lastly,
<taxonomicName id="4C0E4D3EFFF6FF97FDEBAF1AFD1BAA48" box="[550,678,1060,1085]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FDEBAF1AFD1BAA48" box="[550,678,1060,1085]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FDEBAF1AFD80AA49" box="[550,573,1061,1084]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FD7EAF1AFC9CAA49" box="[691,801,1061,1084]" pageId="4" pageNumber="169" rank="species">spec. nov</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FC09AF1AFBF5AA48" box="[964,1096,1060,1085]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="balteata">
<emphasis id="B97AEAAFFFF6FF97FC09AF1AFBF5AA48" box="[964,1096,1060,1085]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FC09AF1AFC66AA49" box="[964,987,1061,1084]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. balteata
</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFF6FF97FB45AF1AFAF0AA48" box="[1160,1357,1060,1085]" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="praemaxillaris">
<emphasis id="B97AEAAFFFF6FF97FB45AF1AFAF0AA48" box="[1160,1357,1060,1085]" italics="true" pageId="4" pageNumber="169">P. praemaxillaris</emphasis>
</taxonomicName>
by its uniform pattern vs. crossbars in
<taxonomicName id="4C0E4D3EFFF6FF97FDCDAF76FDC3AA14" box="[512,638,1096,1121]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="balteata">
<emphasis id="B97AEAAFFFF6FF97FDCDAF76FDC3AA14" box="[512,638,1096,1121]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FDCDAF76FDAAAA15" box="[512,535,1097,1120]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. balteata
</emphasis>
</taxonomicName>
and crossbands or large blotches in
<taxonomicName id="4C0E4D3EFFF6FF97FBD8AF76FB68AA14" box="[1045,1237,1096,1121]" class="Reptilia" family="Colubridae" genus="Paratapinophis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="praemaxillaris">
<emphasis id="B97AEAAFFFF6FF97FBD8AF76FB68AA14" box="[1045,1237,1096,1121]" italics="true" pageId="4" pageNumber="169">P. praemaxillaris</emphasis>
</taxonomicName>
. Other characters are given in Table 1.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AAFAFFAEAAB60" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
With 17 dorsal scale rows at midbody,
<taxonomicName id="4C0E4D3EFFF6FF97FDBAAFAFFCCDAADC" box="[631,880,1168,1193]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FDBAAFAFFCCDAADC" box="[631,880,1168,1193]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FCBBAFAEFC58AADD" box="[886,997,1169,1192]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
is readily distinguished from the group of five species with 15 scale rows which currently includes
<taxonomicName id="4C0E4D3EFFF6FF97FCFEAF8AFA94AAB8" authority="Zhao, Jiang &amp; Huang, 1978" authorityName="Zhao, Jiang &amp; Huang" authorityYear="1978" box="[819,1321,1204,1229]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="guangxiensis">
<emphasis id="B97AEAAFFFF6FF97FCFEAF8AFC5AAAB9" box="[819,999,1205,1228]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCFEAF8AFCF7AAB9" box="[819,842,1205,1228]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. guangxiensis
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FC22AF8BFA94AAB8" author="Zhao" box="[1007,1321,1204,1229]" pageId="4" pageNumber="169" refString="Zhao, E. M., Jiang, Y. M. &amp; Huang, Q. Y. (1978) Three new snake species in China. Material for Herpetological Researches, Chengdu, 4, 21." type="journal article" year="1978">Zhao, Jiang &amp; Huang, 1978</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FAF9AF8AFE12AA84" authority="Angel &amp; Bourret, 1933" authorityName="Angel &amp; Bourret" authorityYear="1933" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="jacobi">
<emphasis id="B97AEAAFFFF6FF97FAF9AF8AFA26AAB8" box="[1332,1435,1204,1229]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FAF9AF8AFAF6AAB9" box="[1332,1355,1205,1228]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. jacobi
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FF5AAFE7FE12AA84" author="Angel" box="[151,431,1240,1265]" pageId="4" pageNumber="169" refString="Angel, F. &amp; Bourret, R. (1933) Sur une petite collection de serpents du Tonkin. Descriptions d'especes nouvelles. Bulletin de la Societe Zoologique de France, 58 (3 - 4), 129 - 140." type="journal article" year="1933">Angel &amp; Bourret, 1933</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FE0DAFE6FCD3AA84" authority="Okada &amp; Takara, 1958" authorityName="Okada &amp; Takara" authorityYear="1958" box="[448,878,1240,1265]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kikuzatoi">
<emphasis id="B97AEAAFFFF6FF97FE0DAFE6FDF3AA84" box="[448,590,1240,1265]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FE0DAFE6FE6AAA85" box="[448,471,1241,1264]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kikuzatoi
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FD96AFE7FCD3AA84" author="Okada" box="[603,878,1240,1265]" pageId="4" pageNumber="169" refString="Okada, Y. &amp; Takara, T. (1958) A new species of Liopeltis (Ophidia, Colubridae) from Ryukyu Islands. Bulletin of the Biogeographical Society of Japan, 20 (3), 1 - 3." type="journal article" year="1958">Okada &amp; Takara, 1958</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FCB2AFE6FADBAA84" authority="Stuart &amp; Chuaynkern, 2007" authorityName="Stuart &amp; Chuaynkern" authorityYear="2007" box="[895,1382,1240,1265]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="maculosa">
<emphasis id="B97AEAAFFFF6FF97FCB2AFE6FBAFAA84" box="[895,1042,1240,1265]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCB2AFE6FC2BAA85" box="[895,918,1241,1264]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. maculosa
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FBEDAFE6FADBAA84" author="Stuart" box="[1056,1382,1240,1265]" pageId="4" pageNumber="169" refString="Stuart, B. L. &amp; Chuaynkern, Y. (2007) A new Opisthotropis (Serpentes: Colubridae: Natricinae) from Northeastern Thailand. Current Herpetology, 26 (1), 35 - 40." type="journal article" year="2007">Stuart &amp; Chuaynkern, 2007</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFF6FF97FF5AAFC3FDE3AB60" authority="Bourret, 1934" authorityName="Bourret" authorityYear="1934" box="[151,606,1276,1301]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FF5AAFC3FE0AAB61" box="[151,439,1276,1301]" italics="true" pageId="4" pageNumber="169">Parahelicops annamensis</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FE73AFC2FDE3AB60" author="Bourret" box="[446,606,1277,1301]" pageId="4" pageNumber="169" refString="Bourret, R. (1934) Notes herpetologiques sur l'Indochine francaise. III. Ophidiens d'Annam et du Moyen Laos. Bulletin general de l'Instruction Publique, 13 e Annee (9, Mai), 167 - 176. [Separate reprint: 3 - 12]." type="journal article" year="1934">Bourret, 1934</bibRefCitation>
</taxonomicName>
. However,
<taxonomicName id="4C0E4D3EFFF6FF97FD16AFC2FCC6AB61" box="[731,891,1277,1300]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FD16AFC2FCC6AB61" box="[731,891,1277,1300]" italics="true" pageId="4" pageNumber="169">P. annamensis</emphasis>
</taxonomicName>
may also rarely have 17 DSR at midbody.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AAE1FFA84A864" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
Furthermore,
<taxonomicName id="4C0E4D3EFFF6FF97FEA6AE1FFDD3AB4C" box="[363,622,1312,1337]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FEA6AE1FFDD3AB4C" box="[363,622,1312,1337]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FDB3AE1EFD45AB4D" box="[638,760,1313,1336]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FC67AE1EFB86AB4C" box="[938,1083,1312,1337]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kikuzatoi">
<emphasis id="B97AEAAFFFF6FF97FC67AE1EFB86AB4C" box="[938,1083,1312,1337]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FC67AE1EFC7CAB4D" box="[938,961,1313,1336]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kikuzatoi
</emphasis>
</taxonomicName>
and especially
<taxonomicName id="4C0E4D3EFFF6FF97FACBAE1FFEA6AB29" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FACBAE1FFEA6AB29" italics="true" pageId="4" pageNumber="169">Parahelicops annamensis</emphasis>
</taxonomicName>
by its dorsal scales entirely smooth vs. moderately keeled posteriorly in
<taxonomicName id="4C0E4D3EFFF6FF97FBBAAE7AFABFAB28" box="[1143,1282,1348,1373]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kikuzatoi">
<emphasis id="B97AEAAFFFF6FF97FBBAAE7AFABFAB28" box="[1143,1282,1348,1373]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FBBAAE7AFB33AB29" box="[1143,1166,1349,1372]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kikuzatoi
</emphasis>
</taxonomicName>
and strongly keeled throughout in
<taxonomicName id="4C0E4D3EFFF6FF97FE44AE56FD97ABF5" box="[393,554,1385,1408]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FE44AE56FD97ABF5" box="[393,554,1385,1408]" italics="true" pageId="4" pageNumber="169">P. annamensis</emphasis>
</taxonomicName>
.
<taxonomicName id="4C0E4D3EFFF6FF97FDF4AE57FC89ABF4" box="[569,820,1384,1409]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FDF4AE57FC89ABF4" box="[569,820,1384,1409]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FCF1AE56FC11ABF5" box="[828,940,1385,1408]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FB8EAE56FB44ABF5" box="[1091,1273,1385,1408]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="guangxiensis">
<emphasis id="B97AEAAFFFF6FF97FB8EAE56FB44ABF5" box="[1091,1273,1385,1408]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB8EAE56FBE7ABF5" box="[1091,1114,1385,1408]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. guangxiensis
</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FAC5AE56FACFABF4" box="[1288,1394,1384,1409]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="jacobi">
<emphasis id="B97AEAAFFFF6FF97FAC5AE56FACFABF4" box="[1288,1394,1384,1409]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FAC5AE56FAA2ABF5" box="[1288,1311,1385,1408]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. jacobi
</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FA4CAE56FF41ABD0" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kikuzatoi">
<emphasis id="B97AEAAFFFF6FF97FA4CAE56FF41ABD0" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FA4CAE56FA25ABF5" box="[1409,1432,1385,1408]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kikuzatoi
</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF6FF97FEF5AEB2FE78ABD0" box="[312,453,1420,1445]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="maculosa">
<emphasis id="B97AEAAFFFF6FF97FEF5AEB2FE78ABD0" box="[312,453,1420,1445]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FEF5AEB2FEF2ABD1" box="[312,335,1421,1444]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. maculosa
</emphasis>
</taxonomicName>
in having internasals in contact with loreal vs. separated in these four species. With 6 or 7 supralabials,
<taxonomicName id="4C0E4D3EFFF6FF97FE8AAE8FFDFEABBC" box="[327,579,1456,1481]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FE8AAE8FFDFEABBC" box="[327,579,1456,1481]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FD83AE8EFD7CABBD" box="[590,705,1457,1480]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FCADAE8EFBAAABBD" box="[864,1047,1457,1480]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="guangxiensis">
<emphasis id="B97AEAAFFFF6FF97FCADAE8EFBAAABBD" box="[864,1047,1457,1480]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCADAE8EFCCAABBD" box="[864,887,1457,1480]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. guangxiensis
</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FBE4AE8EFB06ABBC" box="[1065,1211,1456,1481]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="maculosa">
<emphasis id="B97AEAAFFFF6FF97FBE4AE8EFB06ABBC" box="[1065,1211,1456,1481]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FBE4AE8EFBFDABBD" box="[1065,1088,1457,1480]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. maculosa
</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFF6FF97FB35AE8EFA26ABBD" box="[1272,1435,1457,1480]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FB35AE8EFA26ABBD" box="[1272,1435,1457,1480]" italics="true" pageId="4" pageNumber="169">P. annamensis</emphasis>
</taxonomicName>
which have at least 8 SL. Lastly, by its uniform pattern
<taxonomicName id="4C0E4D3EFFF6FF97FCEBAEEAFC19AB98" box="[806,932,1492,1517]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FCEBAEEAFC19AB98" box="[806,932,1492,1517]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCEBAEEAFC80AB99" box="[806,829,1493,1516]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FC63AEEAFBA6AB99" box="[942,1051,1493,1516]" pageId="4" pageNumber="169" rank="species">spec. nov</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF6FF97FB75AEEAFAD2AB99" box="[1208,1391,1493,1516]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="guangxiensis">
<emphasis id="B97AEAAFFFF6FF97FB75AEEAFAD2AB99" box="[1208,1391,1493,1516]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB75AEEAFB72AB99" box="[1208,1231,1493,1516]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. guangxiensis
</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FA4CAEEAFF41A864" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="kikuzatoi">
<emphasis id="B97AEAAFFFF6FF97FA4CAEEAFF41A864" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FA4CAEEAFA25AB99" box="[1409,1432,1493,1516]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. kikuzatoi
</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF6FF97FEF4AEC6FE75A864" box="[313,456,1528,1553]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="maculosa">
<emphasis id="B97AEAAFFFF6FF97FEF4AEC6FE75A864" box="[313,456,1528,1553]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FEF4AEC6FEEDA865" box="[313,336,1529,1552]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. maculosa
</emphasis>
</taxonomicName>
which have either crossbars or blotches. Other characters are given in Table 1.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AAD23FE9EA8B0" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<taxonomicName id="4C0E4D3EFFF6FF97FF0AAD23FE5AA841" box="[199,487,1564,1589]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensis">
<emphasis id="B97AEAAFFFF6FF97FF0AAD23FE5AA841" box="[199,487,1564,1589]" italics="true" pageId="4" pageNumber="169">Parahelicops annamensis</emphasis>
</taxonomicName>
may have 17 dorsal scale rows at midbody but it differs from
<taxonomicName id="4C0E4D3EFFF6FF97FB6EAD23FA21A840" box="[1187,1436,1564,1589]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FB6EAD23FA21A840" box="[1187,1436,1564,1589]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FF5AAD7EFEBBA82D" box="[151,262,1601,1624]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
by (1) a more slender body, (2) scales weakly keeled at midbody, strongly keeled posteriorly and around the base of the tail, (3) 2834 maxillary teeth, the last two moderately enlarged, (4) at least 115 subcaudals, (5) ratio of TaL / TL at least 0.30, and (6) a dorsal pattern made of isolated orange or rusty blotches on a blackish-brown background.
</paragraph>
<paragraph id="8BB136BDFFF6FF97FF0AADEFFF4CA9E8" blockId="4.[151,1436,151,1949]" pageId="4" pageNumber="169">
<taxonomicName id="4C0E4D3EFFF6FF97FF0AADEFFE7DA89C" box="[199,448,1744,1769]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF6FF97FF0AADEFFE7DA89C" box="[199,448,1744,1769]" italics="true" pageId="4" pageNumber="169">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF6FF97FE0AADEEFD8AA89D" box="[455,567,1745,1768]" pageId="4" pageNumber="169" rank="species">spec. nov.</taxonomicNameLabel>
shares the number of 17 dorsal scale rows at mid-body with 10 other species of the genus (excluding
<taxonomicName id="4C0E4D3EFFF6FF97FE6AADCBFD68A979" box="[423,725,1780,1805]" class="Reptilia" family="Colubridae" genus="Parahelicops" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="annamensise">
<emphasis id="B97AEAAFFFF6FF97FE6AADCBFD68A979" box="[423,725,1780,1805]" italics="true" pageId="4" pageNumber="169">Parahelicops annamensise</emphasis>
</taxonomicName>
), viz.
<taxonomicName id="4C0E4D3EFFF6FF97FCD0ADCAFB33A978" authority="Boulenger, 1888" authorityName="Boulenger" authorityYear="1888" box="[797,1166,1780,1805]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="andersonii">
<emphasis id="B97AEAAFFFF6FF97FCD0ADCAFC05A978" box="[797,952,1780,1805]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FCD0ADCAFC89A979" box="[797,820,1781,1804]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. andersonii
</emphasis>
(
<bibRefCitation id="EF9F4B4CFFF6FF97FC0AADCBFB3BA978" author="Boulenger" box="[967,1158,1780,1805]" pageId="4" pageNumber="169" refString="Boulenger, G. A. (1888) Description of two new snakes from Hongkong, and note on the dentition of Hydrophis viperina. Annals and Magazine of Natural History, (6), 2 (7), 43 - 44." type="journal article" year="1888">Boulenger, 1888</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FB56ADCAFA25A978" authority="Gunther, 1872" authorityName="Gunther" authorityYear="1872" box="[1179,1432,1780,1805]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF6FF97FB56ADCAFB51A979" box="[1179,1260,1781,1804]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB56ADCAFB0FA979" box="[1179,1202,1781,1804]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. atra
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FB39ADCBFA25A978" author="Gunther" box="[1268,1432,1780,1805]" pageId="4" pageNumber="169" refString="Gunther, A. C. L. G. (1872) Seventh account of new species of snakes in the collection of the British Museum. Annals and Magazine of Natural History, (4), 9 (1), 13 - 37, Pls. 3 - 6." type="journal article" year="1872">Günther, 1872</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FF5AAC26FE3DA944" authority="Zhao, 1999" authorityName="Zhao" authorityYear="1999" box="[151,384,1816,1841]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="cheni">
<emphasis id="B97AEAAFFFF6FF97FF5AAC26FF4BA944" box="[151,246,1816,1841]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FF5AAC26FF13A945" box="[151,174,1817,1840]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. cheni
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FF30AC27FE3DA944" author="Zhao" box="[253,384,1816,1841]" pageId="4" pageNumber="169" refString="Zhao, E. M. (1999) Diagnoses of a new frog and a new snake from China. Sichuan Journal of Zoology, 18 (3), inside front cover." type="journal article" year="1999">Zhao, 1999</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FE41AC26FC04A944" authority="Orlov, Darevsky &amp; Murphy, 1998" authorityName="Orlov, Darevsky &amp; Murphy" authorityYear="1998" box="[396,953,1816,1841]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="daovantieni">
<emphasis id="B97AEAAFFFF6FF97FE41AC26FD8FA944" box="[396,562,1816,1841]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FE41AC26FE1EA945" box="[396,419,1817,1840]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. daovantieni
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FDF6AC27FC04A944" author="Orlov" box="[571,953,1816,1841]" pageId="4" pageNumber="169" refString="Orlov, N., Darevsky, I. S. &amp; Murphy, R. W. (1998) A new species of mountain stream snake, genus Opisthotrophis Gunther, 1872 (Serpentes: Colubridae: Natricinae) from the tropical rain forests of southern Vietnam. Russian Journal of Herpetology, 5 (1), 61 - 64." type="journal article" year="1998">Orlov, Darevsky &amp; Murphy, 1998</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FC0BAC26FAB7A944" authority="Boulenger, 1903" authorityName="Boulenger" authorityYear="1903" box="[966,1290,1816,1841]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="lateralis">
<emphasis id="B97AEAAFFFF6FF97FC0BAC26FBFBA944" box="[966,1094,1816,1841]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FC0BAC26FC60A945" box="[966,989,1817,1840]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. lateralis
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FB80AC27FAB7A944" author="Boulenger" box="[1101,1290,1816,1841]" pageId="4" pageNumber="169" refString="Boulenger, G. A. (1903) Descriptions of new snakes in the collection of the British Museum. Annals and Magazine of Natural History, (7), 12 (69), 350 - 354." type="journal article" year="1903">Boulenger, 1903</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FAD8AC26FEDBA920" authority="Boulenger, 1899" authorityName="Boulenger" authorityYear="1899" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="latouchii">
<emphasis id="B97AEAAFFFF6FF97FAD8AC26FA21A944" box="[1301,1436,1816,1841]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FAD8AC26FA91A945" box="[1301,1324,1817,1840]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. latouchii
</emphasis>
(
<bibRefCitation id="EF9F4B4CFFF6FF97FF53AC03FEE3A920" author="Boulenger" box="[158,350,1852,1877]" pageId="4" pageNumber="169" refString="Boulenger, G. A. (1899) On a collection of reptiles and batrachians made by Mr. J. D. La Touche in N. W. Fokien, China. Proceedings of the Zoological Society of London, 1899, 159 - 172, Pls. 16 - 19." type="proceedings paper" year="1899">Boulenger, 1899</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FEBFAC02FD03A920" authority="Boulenger, 1914" authorityName="Boulenger" authorityYear="1914" box="[370,702,1852,1877]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="maxwelli">
<emphasis id="B97AEAAFFFF6FF97FEBFAC02FE47A920" box="[370,506,1852,1877]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FEBFAC02FE34A921" box="[370,393,1853,1876]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. maxwelli
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FDCCAC03FD03A920" author="Boulenger" box="[513,702,1852,1877]" pageId="4" pageNumber="169" refString="Boulenger, G. A. (1914) Descriptions of new species of snakes in the collection of the British Museum. Annals and Magazine of Natural History, (8), 14 (84), 482 - 485." type="journal article" year="1914">Boulenger, 1914</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF6FF97FD07AC02FC87A921" box="[714,826,1853,1876]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="rugosa">
<emphasis id="B97AEAAFFFF6FF97FD07AC02FC87A921" box="[714,826,1853,1876]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FD07AC02FD5CA921" box="[714,737,1853,1876]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. rugosa
</emphasis>
</taxonomicName>
(Van Lidth de
<bibRefCitation id="EF9F4B4CFFF6FF97FC29AC03FBD2A920" author="Jeude" box="[996,1135,1852,1877]" pageId="4" pageNumber="169" refString="Van Lidth de Jeude, T. W. (1890) Reptilia from the Malay Archipelago. II. Ophidia. In: Weber, M. (Ed.), Zoologische Ergebnisse einer Reise in Niederlandisch Ost-Indien. Heft 2, Leiden, E. J. Brill, 178 - 192, Pl. 15 - 16." type="journal article" year="1890">Jeude, 1890</bibRefCitation>
),
<taxonomicName id="4C0E4D3EFFF6FF97FB4FAC02FA25A920" authority="Smith, 1918" authorityName="Smith" authorityYear="1918" box="[1154,1432,1852,1877]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFF6FF97FB4FAC02FAB9A921" box="[1154,1284,1853,1876]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FB4FAC02FB24A921" box="[1154,1177,1853,1876]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. spenceri
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FAC1AC03FA25A920" author="Smith" box="[1292,1432,1852,1877]" pageId="4" pageNumber="169" refString="Smith, M. A. (1918) Description of a new snake (Opisthotropis spenceri) from Siam. The Journal of the Natural History Society of Siam, 3 (1), 13." type="journal article" year="1918">Smith, 1918</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF6FF97FF05AC5EFD05A90C" authority="Ziegler, David &amp; Vu, 2008" authorityName="Ziegler, David &amp; Vu" authorityYear="2008" box="[200,696,1888,1913]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="4" pageNumber="169" phylum="Chordata" rank="species" species="tamdaoensis">
<emphasis id="B97AEAAFFFF6FF97FF05AC5EFEC5A90C" box="[200,376,1888,1913]" italics="true" pageId="4" pageNumber="169">
<collectingCountry id="F319762DFFF6FF97FF05AC5EFF62A90D" box="[200,223,1889,1912]" name="Iceland" pageId="4" pageNumber="169">O</collectingCountry>
. tamdaoensis
</emphasis>
<bibRefCitation id="EF9F4B4CFFF6FF97FE4DAC5FFD05A90C" author="Ziegler" box="[384,696,1888,1913]" pageId="4" pageNumber="169" refString="Ziegler, T., David, P. &amp; Vu, N. T. (2008) A new natricine snake of the genus Opisthotropis from Tam Dao, Vinh Phuc Province, northern Vietnam (Squamata, Colubridae). Zoosystematics and Evolution, Berlin, 84 (2), 197 - 203." type="journal article" year="2008">Ziegler, David &amp; Vu, 2008</bibRefCitation>
</taxonomicName>
. Additional differences between these species are summarized in Table 1.
</paragraph>
<caption id="DF716635FFF4FF95FF5AAF8EFB63AA90" ID-DOI="http://doi.org/10.5281/zenodo.248425" httpUri="https://zenodo.org/record/248425/files/figure.png" pageId="6" pageNumber="171" targetBox="[151,1436,193,1179]" targetPageId="6">
<paragraph id="8BB136BDFFF4FF95FF5AAF8EFB63AA90" blockId="6.[151,1436,1201,1253]" pageId="6" pageNumber="171">
<emphasis id="B97AEAAFFFF4FF95FF5AAF8EFEAEAAB2" bold="true" box="[151,275,1201,1223]" pageId="6" pageNumber="171">FIGURE 1.</emphasis>
<taxonomicName id="4C0E4D3EFFF4FF95FED5AF8EFE45AAB2" box="[280,504,1201,1223]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FED5AF8EFE45AAB2" box="[280,504,1201,1223]" italics="true" pageId="6" pageNumber="171">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FE32AF8DFDDBAAB2" box="[511,614,1202,1223]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
, preserved holotype (MNHN 2013.1001). A. Dorsal view.—B. Ventral view.—C. Lateral view of the head and neck, left side.—D. Ventral view of the tail. Photographs by Alexandre Teynié.
</paragraph>
</caption>
<paragraph id="8BB136BDFFF4FF95FF0AAE31FB97ABE4" blockId="6.[151,1436,1292,1935]" pageId="6" pageNumber="171">
In details,
<taxonomicName id="4C0E4D3EFFF4FF95FE8DAE33FD86AB50" box="[320,571,1292,1317]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FE8DAE33FD86AB50" box="[320,571,1292,1317]" italics="true" pageId="6" pageNumber="171">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FD89AE31FD08AB50" box="[580,693,1294,1317]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF4FF95FC82AE31FC56AB50" box="[847,1003,1292,1317]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="andersonii">
<emphasis id="B97AEAAFFFF4FF95FC82AE31FC56AB50" box="[847,1003,1292,1317]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FC82AE31FCDBAB50" box="[847,870,1294,1317]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. andersonii
</emphasis>
</taxonomicName>
by its number of dorsal scales on the neck (2119 vs. 17), its smooth dorsal scales throughout (vs. keeled throughout in
<taxonomicName id="4C0E4D3EFFF4FF95FBFEAE0EFB70AB3C" box="[1075,1229,1328,1353]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="andersonii">
<emphasis id="B97AEAAFFFF4FF95FBFEAE0EFB70AB3C" box="[1075,1229,1328,1353]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FBFEAE0EFBF7AB3D" box="[1075,1098,1329,1352]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. andersonii
</emphasis>
</taxonomicName>
), a higher number of ventrals (177180 vs. 149169), internasal in contact with loreal (vs. separated), 67 SL (vs. 89), and its uniformly olive brown dorsal pattern (vs. uniformly dark with pale-edged scales).
</paragraph>
<paragraph id="8BB136BDFFF4FF95FF0AAEA2FE77A88A" blockId="6.[151,1436,1292,1935]" pageId="6" pageNumber="171">
<taxonomicName id="4C0E4D3EFFF4FF95FF0AAEA2FE7DABC3" box="[199,448,1437,1462]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FF0AAEA2FE7DABC3" box="[199,448,1437,1462]" italics="true" pageId="6" pageNumber="171">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FE05AEA1FD85ABC0" box="[456,568,1438,1461]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
differs from the
<typeStatus id="54B5881FFFF4FF95FD3AAEA2FCE4ABC3" box="[759,857,1437,1462]" pageId="6" pageNumber="171" type="holotype">holotype</typeStatus>
and sole known specimen of
<taxonomicName id="4C0E4D3EFFF4FF95FB67AEA1FB41ABC0" box="[1194,1276,1438,1461]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF4FF95FB67AEA1FB41ABC0" box="[1194,1276,1438,1461]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FB67AEA1FB7CABC0" box="[1194,1217,1438,1461]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. atra
</emphasis>
</taxonomicName>
by its smooth dorsal scales throughout (vs. weakly keeled at midbody and strongly keeled posteriorly in
<taxonomicName id="4C0E4D3EFFF4FF95FB07AEFEFA9DABAC" box="[1226,1312,1473,1497]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF4FF95FB07AEFEFA9DABAC" box="[1226,1312,1473,1497]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FB07AEFEFB5CABAD" box="[1226,1249,1473,1496]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. atra
</emphasis>
</taxonomicName>
), a higher number of subcaudals (8890 vs.
<quantity id="4CF69B58FFF4FF95FDD6AED8FDEBA875" box="[539,598,1511,1536]" metricMagnitude="0" metricUnit="m" metricValue="1.6509999999999998" pageId="6" pageNumber="171" unit="in" value="65.0">65 in</quantity>
the male
<typeStatus id="54B5881FFFF4FF95FD07AED8FC8DA875" box="[714,816,1511,1536]" pageId="6" pageNumber="171" type="holotype">holotype</typeStatus>
), 67 supralabials (vs. 8), 4th SL entering orbit (vs. 5th SL), 7th SL longer than high but not elongated (vs. much elongated), anterior chin shields distinctly longer than posterior ones (vs. subequal), and its uniformly olive brown dorsal pattern (vs. uniformly blackish-brown). Using the key provided by
<bibRefCitation id="EF9F4B4CFFF4FF95FE44AD68FDE1A81A" box="[393,604,1622,1647]" pageId="6" pageNumber="171" refString="Yang, J. H., Wang, Y. Y., Zhang, B., Lau, M. W. - N. &amp; Chou, W. - H. (2011) Revision of the diagnostic characters of Opisthotropis maculosa Stuart and Chuaynkern, 2007 with notes on its distribution and variation, and a key to the genus Opisthotropis (Squamata: Natricidae). Zootaxa, 2785, 61 - 68." type="journal article">
Yang
<emphasis id="B97AEAAFFFF4FF95FE00AD68FDBDA81A" box="[461,512,1622,1647]" italics="true" pageId="6" pageNumber="171">et al</emphasis>
. (2011)
</bibRefCitation>
would lead to the identification of the
<typeStatus id="54B5881FFFF4FF95FBE5AD68FBE5A81A" box="[1064,1112,1623,1647]" pageId="6" pageNumber="171">type</typeStatus>
specimens of
<taxonomicName id="4C0E4D3EFFF4FF95FACEAD69FF4DA8E6" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FACEAD69FF4DA8E6" italics="true" pageId="6" pageNumber="171">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FF3AAD44FEDAA8E7" box="[247,359,1659,1682]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
as
<taxonomicName id="4C0E4D3EFFF4FF95FE41AD44FE63A8E7" box="[396,478,1659,1682]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF4FF95FE41AD44FE63A8E7" box="[396,478,1659,1682]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FE41AD44FE1EA8E7" box="[396,419,1659,1682]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. atra
</emphasis>
</taxonomicName>
. This flaw in the key points out the need to consider, in
<taxonomicName id="4C0E4D3EFFF4FF95FB97AD45FB6FA8E6" box="[1114,1234,1658,1683]" class="Reptilia" family="Natricidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="family">Natricidae</taxonomicName>
, a combination of characters, even those often considered trivial, rather than a few “
<taxonomicName id="4C0E4D3EFFF4FF95FC4DADA1FC7BA8C2" ID-CoL="5CB2H" box="[896,966,1694,1719]" class="Amphibia" family="Megophryidae" genus="Xenophrys" kingdom="Animalia" order="Anura" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="major">major</taxonomicName>
” characters.
<taxonomicName id="4C0E4D3EFFF4FF95FB94ADA0FB68A8C2" box="[1113,1237,1694,1719]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FB94ADA0FB68A8C2" box="[1113,1237,1694,1719]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FB94ADA0FBCDA8C3" box="[1113,1136,1695,1718]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FB10ADA0FAF3A8C3" box="[1245,1358,1695,1718]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
shares with
<taxonomicName id="4C0E4D3EFFF4FF95FF1FADFCFE98A8AF" box="[210,293,1731,1754]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF4FF95FF1FADFCFE98A8AF" box="[210,293,1731,1754]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FF1FADFCFF54A8AF" box="[210,233,1731,1754]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. atra
</emphasis>
</taxonomicName>
the number of 19 dorsal scales on the neck, the long tail (ratio TaL/TL
<quantity id="4CF69B58FFF4FF95FBA9ADFCFB7FA8AE" box="[1124,1218,1730,1755]" metricMagnitude="-3" metricUnit="m" metricValue="5.587999999999999" pageId="6" pageNumber="171" unit="in" value="0.22">0.220 in</quantity>
<taxonomicName id="4C0E4D3EFFF4FF95FB01ADFCFAA2A8AF" box="[1228,1311,1731,1754]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="atra">
<emphasis id="B97AEAAFFFF4FF95FB01ADFCFAA2A8AF" box="[1228,1311,1731,1754]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FB01ADFCFB5EA8AF" box="[1228,1251,1731,1754]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. atra
</emphasis>
</taxonomicName>
) and other characters listed in Table 1.
</paragraph>
<paragraph id="8BB136BDFFF4FF95FF0AAC35FDB8A9FA" blockId="6.[151,1436,1292,1935]" pageId="6" pageNumber="171">
<taxonomicName id="4C0E4D3EFFF4FF95FF0AAC35FE7DA956" box="[199,448,1802,1827]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF4FF95FF0AAC35FE7DA956" box="[199,448,1802,1827]" italics="true" pageId="6" pageNumber="171">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF4FF95FE04AC34FD87A957" box="[457,570,1803,1826]" pageId="6" pageNumber="171" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFF4FF95FD1FAC34FC8FA956" box="[722,818,1802,1827]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="171" phylum="Chordata" rank="species" species="cheni">
<emphasis id="B97AEAAFFFF4FF95FD1FAC34FC8FA956" box="[722,818,1802,1827]" italics="true" pageId="6" pageNumber="171">
<collectingCountry id="F319762DFFF4FF95FD1FAC34FD54A957" box="[722,745,1803,1826]" name="Iceland" pageId="6" pageNumber="171">O</collectingCountry>
. cheni
</emphasis>
</taxonomicName>
by its number of dorsal scales on the neck (2119 vs. 17), the loreal in contact with internasal (vs. not in contact), a higher number of ventrals (177180 vs. 159167), preocular present (vs. absent, loreal entering orbit), 67 SL (vs. 89), and its uniformly olive brown dorsal pattern (vs. dark with yellow crossbars).
</paragraph>
<caption id="DF716635FFF5FF94FF5AAD1BFC9DA82C" ID-DOI="http://doi.org/10.5281/zenodo.248426" httpUri="https://zenodo.org/record/248426/files/figure.png" pageId="7" pageNumber="172" targetBox="[151,1436,201,1550]" targetPageId="7">
<paragraph id="8BB136BDFFF5FF94FF5AAD1BFC9DA82C" blockId="7.[151,1436,1572,1625]" pageId="7" pageNumber="172">
<emphasis id="B97AEAAFFFF5FF94FF5AAD1BFEAEA84F" bold="true" box="[151,275,1572,1594]" pageId="7" pageNumber="172">FIGURE 2.</emphasis>
<taxonomicName id="4C0E4D3EFFF5FF94FED4AD1BFE44A84F" box="[281,505,1572,1594]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="7" pageNumber="172" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFF5FF94FED4AD1BFE44A84F" box="[281,505,1572,1594]" italics="true" pageId="7" pageNumber="172">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFF5FF94FDCDAD1AFDDAA84F" box="[512,615,1573,1594]" pageId="7" pageNumber="172" rank="species">spec. nov.</taxonomicNameLabel>
, preserved holotype (MNHN 2013.1001), views of the head. A. Dorsal side.—B. Ventral side.—C. Right side. Photographs by Alexandre Teynié.
</paragraph>
</caption>
<caption id="DF716635FFFAFF9BFF5AACB5FF5EA9A8" ID-DOI="http://doi.org/10.5281/zenodo.248427" httpUri="https://zenodo.org/record/248427/files/figure.png" pageId="8" pageNumber="173" targetBox="[151,1436,193,1907]" targetPageId="8">
<paragraph id="8BB136BDFFFAFF9BFF5AACB5FF5EA9A8" blockId="8.[151,1435,1930,2013]" pageId="8" pageNumber="173">
<emphasis id="B97AEAAFFFFAFF9BFF5AACB5FEA8A9D5" bold="true" box="[151,277,1930,1952]" pageId="8" pageNumber="173">FIGURE 3.</emphasis>
<taxonomicName id="4C0E4D3EFFFAFF9BFED0ACB5FDBDA9D5" box="[285,512,1930,1952]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="173" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFAFF9BFED0ACB5FDBDA9D5" box="[285,512,1930,1952]" italics="true" pageId="8" pageNumber="173">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFAFF9BFDC4ACB4FDCFA9D5" box="[521,626,1931,1952]" pageId="8" pageNumber="173" rank="species">spec. nov.</taxonomicNameLabel>
, holotype (MNHN 2013.1001), alive in its natural biotope, vicinity of Muang Ngoi, Ngoi District, Louangphabang Province, Laos. A. General view.—B. Close-up view of head. Photographs by Alexandre Teynié.
</paragraph>
</caption>
<paragraph id="8BB136BDFFFBFF9AFF0AABA8FE1BAF69" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF0AABA8FE7DAEC5" box="[199,448,151,176]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF0AABA8FE7DAEC5" box="[199,448,151,176]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE0BABA7FD8BAEDA" box="[454,566,152,175]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
can be separated from
<taxonomicName id="4C0E4D3EFFFBFF9AFCF7ABA7FC5DAEC5" box="[826,992,151,176]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="daovantieni">
<emphasis id="B97AEAAFFFFBFF9AFCF7ABA7FC5DAEC5" box="[826,992,151,176]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFCF7ABA7FCECAEDA" box="[826,849,152,175]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. daovantieni
</emphasis>
</taxonomicName>
in having 19 DSR on the neck (vs. 17), a much longer tail (ratio of Tal / TL 0.2420.255 vs. 0.1170.146), a lower number of ventrals (177180 vs. 189 194), a much higher number of subcaudals (8890 vs. 3947), 67 SL (vs. 8), and its uniformly olive brown dorsal pattern (vs. rather grey).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AAA18FA9BAFD9" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF0AAA18FE02AF35" box="[199,447,295,320]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF0AAA18FE02AF35" box="[199,447,295,320]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE0BAA17FD88AF4A" box="[454,565,296,319]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFFBFF9AFD0AAA17FCFBAF35" box="[711,838,295,320]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="lateralis">
<emphasis id="B97AEAAFFFFBFF9AFD0AAA17FD66AF4A" box="[711,731,296,319]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFD0AAA17FD66AF4A" box="[711,731,296,319]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFD24AA18FCFBAF35" box="[745,838,295,320]" italics="true" pageId="9" pageNumber="174">lateralis</emphasis>
</taxonomicName>
in having 19 DSR on the neck (vs. 17), by its smooth dorsal scales throughout (vs. keeled throughout in
<taxonomicName id="4C0E4D3EFFFBFF9AFD2EAA72FCDBAF10" box="[739,870,332,357]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="lateralis">
<emphasis id="B97AEAAFFFFBFF9AFD2EAA72FCDBAF10" box="[739,870,332,357]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFD2EAA72FD47AF11" box="[739,762,333,356]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. lateralis
</emphasis>
</taxonomicName>
), the loreal in contact with internasal (vs. not in contact), 67 supralabials (vs. [rarely 9]1011), 1 preocular (vs. 2), and the uniformly brown dorsal pattern (vs. dark with a conspicuous black lateral stripe that sharply contrasts with the pale coloration of the venter).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AAA88FE65AC15" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF0AAA88FE7CAFA5" box="[199,449,439,464]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF0AAA88FE7CAFA5" box="[199,449,439,464]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE07AA87FD86AFBA" box="[458,571,440,463]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
differs from
<taxonomicName id="4C0E4D3EFFFBFF9AFD1FAA87FCE7AFA5" box="[722,858,439,464]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="latouchii">
<emphasis id="B97AEAAFFFFBFF9AFD1FAA87FD5BAFBA" box="[722,742,440,463]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFD1FAA87FD5BAFBA" box="[722,742,440,463]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFD3BAA88FCE7AFA5" box="[758,858,439,464]" italics="true" pageId="9" pageNumber="174">latouchii</emphasis>
</taxonomicName>
by its number of dorsal scales on the neck (2119 vs. 17), its smooth dorsal scales throughout (vs. keeled throughout in
<taxonomicName id="4C0E4D3EFFFBFF9AFC02AAE2FBE4AF80" box="[975,1113,476,501]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="latouchii">
<emphasis id="B97AEAAFFFFBFF9AFC02AAE2FBE4AF80" box="[975,1113,476,501]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFC02AAE2FC5BAF81" box="[975,998,477,500]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. latouchii
</emphasis>
</taxonomicName>
), the loreal in contact with internasal (vs. not in contact), a higher number of ventrals (177180 vs. 140168), 67 supralabials (vs. 9), 1 preocular (absent in
<taxonomicName id="4C0E4D3EFFFBFF9AFE4FA91AFDB7AC48" box="[386,522,548,573]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="latouchii">
<emphasis id="B97AEAAFFFFBFF9AFE4FA91AFDB7AC48" box="[386,522,548,573]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE4FA91AFE24AC49" box="[386,409,549,572]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. latouchii
</emphasis>
</taxonomicName>
), and the uniformly olive-brown dorsal pattern (vs. dark with broad yellow and narrow black lateral stripes).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AA953FB24ACB9" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF0AA953FE02ACF0" box="[199,447,620,645]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF0AA953FE02ACF0" box="[199,447,620,645]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE08A952FD89ACF1" box="[453,564,621,644]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
can be separated from
<taxonomicName id="4C0E4D3EFFFBFF9AFCF8A952FC06ACF0" box="[821,955,620,645]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="maxwelli">
<emphasis id="B97AEAAFFFFBFF9AFCF8A952FCF4ACF1" box="[821,841,621,644]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFCF8A952FCF4ACF1" box="[821,841,621,644]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFC9BA953FC06ACF0" box="[854,955,620,645]" italics="true" pageId="9" pageNumber="174">maxwelli</emphasis>
</taxonomicName>
in having 2119 DSR on the neck (vs. 17), its smooth dorsal scales throughout (vs. keeled posteriorly in
<taxonomicName id="4C0E4D3EFFFBFF9AFC89A9AFFC76ACDD" box="[836,971,655,680]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="maxwelli">
<emphasis id="B97AEAAFFFFBFF9AFC89A9AFFC76ACDD" box="[836,971,655,680]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFC89A9AFFCE6ACD2" box="[836,859,656,679]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. maxwelli
</emphasis>
</taxonomicName>
), the loreal in contact with internasal (vs. not in contact), a higher number of ventrals (177180 vs. 147158), and 1 preocular (vs. 2).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF5AA9E8FF50AD4D" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF5AA9E8FE29AC85" box="[151,404,727,752]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF5AA9E8FE29AC85" box="[151,404,727,752]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE53A9E7FDACAC9A" box="[414,529,728,751]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
can be separated from
<taxonomicName id="4C0E4D3EFFFBFF9AFCE5A9E7FC21AC85" box="[808,924,728,752]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="rugosa">
<emphasis id="B97AEAAFFFFBFF9AFCE5A9E7FC81AC9A" box="[808,828,728,751]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFCE5A9E7FC81AC9A" box="[808,828,728,751]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFC83A9E6FC21AC85" box="[846,924,729,752]" italics="true" pageId="9" pageNumber="174">rugosa</emphasis>
</taxonomicName>
by its smooth dorsal scales throughout (vs. strongly keeled throughout in
<taxonomicName id="4C0E4D3EFFFBFF9AFE26A9C2FDE1AD61" box="[491,604,765,788]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="rugosa">
<emphasis id="B97AEAAFFFFBFF9AFE26A9C2FDE1AD61" box="[491,604,765,788]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE26A9C2FDBFAD61" box="[491,514,765,788]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. rugosa
</emphasis>
</taxonomicName>
), 1 prefrontal (vs.
<quantity id="4CF69B58FFFBFF9AFCFDA9C3FCE1AD60" box="[816,860,764,789]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="9" pageNumber="174" unit="in" value="2.0">2 in</quantity>
three known specimens), and 67 supralabials (vs. 1213).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AA87BFAD9ADD0" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<taxonomicName id="4C0E4D3EFFFBFF9AFF0AA87BFE7DAD28" box="[199,448,836,861]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFF0AA87BFE7DAD28" box="[199,448,836,861]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFE0BA87AFD8BAD29" box="[454,566,837,860]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
can be separated from
<taxonomicName id="4C0E4D3EFFFBFF9AFCF4A87AFC55AD28" box="[825,1000,836,861]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="tamdaoensis">
<emphasis id="B97AEAAFFFFBFF9AFCF4A87AFCF0AD29" box="[825,845,837,860]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFCF4A87AFCF0AD29" box="[825,845,837,860]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFC96A87BFC55AD28" box="[859,1000,836,861]" italics="true" pageId="9" pageNumber="174">tamdaoensis</emphasis>
</taxonomicName>
by its smooth dorsal scales throughout (vs. keeled posteriorly), the loreal in contact with internasal (vs. not in contact), 67 supralabials (vs. 89), 1 anterior loreal (vs. 2), and the uniformly olive-brown dorsal pattern (vs. the presence of a black lateral stripe).
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AA890FD98AB11" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
Lastly,
<taxonomicName id="4C0E4D3EFFFBFF9AFED6A890FDABADBD" box="[283,534,943,968]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFED6A890FDABADBD" box="[283,534,943,968]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFDD2A88FFD2CADB2" box="[543,657,944,967]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
is most similar to
<taxonomicName id="4C0E4D3EFFFBFF9AFCA7A890FBD1ADBD" box="[874,1132,943,968]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFCA7A890FBD1ADBD" box="[874,1132,943,968]" italics="true" pageId="9" pageNumber="174">Opisthotropis spenceri</emphasis>
</taxonomicName>
, a species still endemic to Lampang Province, northern
<collectingCountry id="F319762DFFFBFF9AFE20A8EBFDE9AD98" box="[493,596,980,1005]" name="Thailand" pageId="9" pageNumber="174">Thailand</collectingCountry>
. Both species share most external characters, including the numbers of subcaudals (8890 vs. 9096 SC) and the numbers of supralabials,
<quantity id="4CF69B58FFFBFF9AFC5BA8C5FC63AA66" box="[918,990,1018,1043]" metricMagnitude="-1" metricUnit="m" metricValue="1.651" metricValueMax="1.778" metricValueMin="1.524" pageId="9" pageNumber="174" unit="in" value="6.5" valueMax="7.0" valueMin="6.0">67 in</quantity>
<taxonomicName id="4C0E4D3EFFFBFF9AFC2BA8C4FBDEAA66" box="[998,1123,1018,1043]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFC2BA8C4FBDEAA66" box="[998,1123,1018,1043]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFC2BA8C4FC40AA67" box="[998,1021,1019,1042]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFBA6A8C4FB61AA67" box="[1131,1244,1019,1042]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
vs. 78 (with 4th entering orbit in
<taxonomicName id="4C0E4D3EFFFBFF9AFE99AF1DFE6DAA4F" box="[340,464,1057,1082]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi">
<emphasis id="B97AEAAFFFFBFF9AFE99AF1DFE6DAA4F" box="[340,464,1057,1082]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE99AF1DFED6AA4C" box="[340,363,1058,1081]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
vs. 4 or 4th5th in
<taxonomicName id="4C0E4D3EFFFBFF9AFD5BAF1DFCA5AA4C" box="[662,792,1058,1081]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFD5BAF1DFCA5AA4C" box="[662,792,1058,1081]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFD5BAF1DFD10AA4C" box="[662,685,1058,1081]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. spenceri
</emphasis>
</taxonomicName>
). Nevertheless, these species can be separated from each other by (1) the number of dorsal scales on the neck, 2119 vs.
<quantity id="4CF69B58FFFBFF9AFCADAF79FC24AA2B" box="[864,921,1093,1118]" metricMagnitude="-1" metricUnit="m" metricValue="4.318" pageId="9" pageNumber="174" unit="in" value="17.0">17 in</quantity>
<taxonomicName id="4C0E4D3EFFFBFF9AFC6DAF79FB9CAA28" box="[928,1057,1094,1117]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFC6DAF79FB9CAA28" box="[928,1057,1094,1117]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFC6DAF79FC0AAA28" box="[928,951,1094,1117]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. spenceri
</emphasis>
</taxonomicName>
; (2) a different dorsal pattern, the dark dorsal reaching the 1st dorsal scale row along the limit of ventrals in
<taxonomicName id="4C0E4D3EFFFBFF9AFC17AF52FBE8AAF0" box="[986,1109,1132,1157]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFC17AF52FBE8AAF0" box="[986,1109,1132,1157]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFC17AF52FC4CAAF1" box="[986,1009,1133,1156]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFB90AF52FB6DAAF1" box="[1117,1232,1133,1156]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
, whereas the dark and pale ventral pigmentations mingle on 2nd or 3rd scale rows and cover entirely 3rd and 4th and upper dorsal scale rows; (3) chin, throat and 1st preventral dark brown, with a sharp transversal limit in
<taxonomicName id="4C0E4D3EFFFBFF9AFB8CAF84FB06AAA6" box="[1089,1211,1210,1235]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFB8CAF84FB06AAA6" box="[1089,1211,1210,1235]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFB8CAF84FBE5AAA7" box="[1089,1112,1211,1234]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFB0FAF84FA89AAA7" box="[1218,1332,1211,1234]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
, vs. chin, throat and 1st preventral pale greyish- or pinkish-brown with some dark brown dots in
<taxonomicName id="4C0E4D3EFFFBFF9AFB55AFDEFAA0AA8C" box="[1176,1309,1249,1273]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFB55AFDEFB11AA8D" box="[1176,1196,1249,1272]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFB55AFDEFB11AA8D" box="[1176,1196,1249,1272]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFB73AFDDFAA0AA8C" box="[1214,1309,1250,1273]" italics="true" pageId="9" pageNumber="174">spenceri</emphasis>
</taxonomicName>
; (4) under surface of tail largely dark brown in
<taxonomicName id="4C0E4D3EFFFBFF9AFDFCAE3AFD11AB68" box="[561,684,1284,1309]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFDFCAE3AFD11AB68" box="[561,684,1284,1309]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFDFCAE3AFDF5AB69" box="[561,584,1285,1308]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFD7EAE3AFC9FAB69" box="[691,802,1285,1308]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
vs. pale coloured as the venter, with dark brown dots, in
<taxonomicName id="4C0E4D3EFFFBFF9AFF5AAE16FEA6AB34" box="[151,283,1321,1345]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFF5AAE16FEA6AB34" box="[151,283,1321,1345]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFF5AAE16FF13AB35" box="[151,174,1321,1344]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. spenceri
</emphasis>
</taxonomicName>
, and (5) frontal 1.4 times wider than long in
<collectingCountry id="F319762DFFFBFF9AFCE3AE16FCF8AB34" box="[814,837,1321,1345]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
.
<taxonomicName id="4C0E4D3EFFFBFF9AFC9EAE17FC11AB34" box="[851,940,1320,1345]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi" status="sp. nov.">
<emphasis id="B97AEAAFFFFBFF9AFC9EAE17FC11AB34" box="[851,940,1320,1345]" italics="true" pageId="9" pageNumber="174">durandi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24957D4FFFBFF9AFC78AE16FB9AAB35" box="[949,1063,1321,1344]" pageId="9" pageNumber="174" rank="species">spec. nov.</taxonomicNameLabel>
vs. as long as wide in the three available specimens of
<taxonomicName id="4C0E4D3EFFFBFF9AFE50AE72FDA3AB11" box="[413,542,1357,1380]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="spenceri">
<emphasis id="B97AEAAFFFFBFF9AFE50AE72FE0CAB11" box="[413,433,1357,1380]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE50AE72FE0CAB11" box="[413,433,1357,1380]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFE72AE72FDA3AB11" box="[447,542,1357,1380]" italics="true" pageId="9" pageNumber="174">spenceri</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3146536FFFBFF99FF0AAE4FFECCAFD8" lastPageId="10" lastPageNumber="175" pageId="9" pageNumber="174" type="distribution">
<paragraph id="8BB136BDFFFBFF9AFF0AAE4FFCB7ABA4" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<emphasis id="B97AEAAFFFFBFF9AFF0AAE4FFE0BABFC" bold="true" box="[199,438,1392,1417]" pageId="9" pageNumber="174">
Distribution (
<figureCitation id="13352A38FFFBFF9AFEA5AE4FFE13ABFC" box="[360,430,1392,1417]" captionStart="FIGURE 5" captionStartId="11.[151,250,1825,1847]" captionTargetBox="[151,1436,193,1802]" captionTargetId="figure@11.[151,1436,193,1804]" captionTargetPageId="11" captionText="FIGURE 5. Map showing the type locality (black circle) of Opisthotropis durandi in Louangphabang Province, Laos." figureDoi="http://doi.org/10.5281/zenodo.248429" httpUri="https://zenodo.org/record/248429/files/figure.png" pageId="9" pageNumber="174">Fig. 5</figureCitation>
)
</emphasis>
.
<emphasis id="B97AEAAFFFFBFF9AFE09AE4EFE43ABFC" bold="true" box="[452,510,1393,1417]" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE09AE4EFE43ABFC" box="[452,510,1393,1417]" name="Laos" pageId="9" pageNumber="174">Laos</collectingCountry>
</emphasis>
. Louangphabang Province. Vicinity of Muang Ngoi in Muang Ngoi District, at an elevation of 370 and
<quantity id="4CF69B58FFFBFF9AFE4FAEAAFE75ABD9" box="[386,456,1429,1453]" metricMagnitude="2" metricUnit="m" metricValue="7.0" pageId="9" pageNumber="174" unit="m" value="700.0">700 m</quantity>
a.s.l.
<taxonomicName id="4C0E4D3EFFFBFF9AFDC4AEABFCBFABD8" box="[521,770,1428,1453]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi">
<emphasis id="B97AEAAFFFFBFF9AFDC4AEABFCBFABD8" box="[521,770,1428,1453]" italics="true" pageId="9" pageNumber="174">Opisthotropis durandi</emphasis>
</taxonomicName>
is known only from the
<typeStatus id="54B5881FFFFBFF9AFBDEAEAAFBFEABD8" box="[1043,1091,1429,1453]" pageId="9" pageNumber="174">type</typeStatus>
locality and its vicinity, a hilly region located in the north of Louangphabang Province.
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AAEE2FDA3A929" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
<emphasis id="B97AEAAFFFFBFF9AFF0AAEE2FE3DAB80" bold="true" box="[199,384,1500,1525]" pageId="9" pageNumber="174">Natural history</emphasis>
. The general biotope of the
<typeStatus id="54B5881FFFFBFF9AFD03AEE3FC8DAB80" box="[718,816,1500,1525]" pageId="9" pageNumber="174" type="holotype">holotype</typeStatus>
is a secondary evergreen forest growing over a steep slope at the foot of a karst formation (
<figureCitation id="13352A38FFFBFF9AFD8BAD3FFD36A86C" box="[582,651,1536,1561]" captionStart="FIGURE 6" captionStartId="12.[151,249,1978,2000]" captionTargetBox="[213,1372,195,1933]" captionTargetId="figure@12.[213,1372,195,1934]" captionTargetPageId="12" captionText="FIGURE 6. Biotope of the holotype (A) and paratype (B) of Opisthotropis durandi. Photograph by Alexandre Teynié." figureDoi="http://doi.org/10.5281/zenodo.248430" httpUri="https://zenodo.org/record/248430/files/figure.png" pageId="9" pageNumber="174">Fig. 6</figureCitation>
). The snake was lying under a half-immersed rock at the bottom of a small waterfall in the course of a fast-running forest stream, with an average width of one meter. This stream runs across the forest just before it enters a cultivated valley. The snake was found at 11.00 h during a period of hot, sunny weather. A few water holes of various depths, some man-made, are present along the banks of the stream. These water holes are alternately or simultaneously inhabited by fish, tadpoles, and soft water shrimps and crabs, more rarely by larva of Odonata. The
<typeStatus id="54B5881FFFFBFF9AFD85AD8AFD14A8B8" box="[584,681,1717,1741]" pageId="9" pageNumber="174" type="paratype">paratype</typeStatus>
was staying motionless, seemingly in ambush, at the beginning of the night, in the still, shallow (at most
<quantity id="4CF69B58FFFBFF9AFD83ADE6FD28A885" box="[590,661,1753,1777]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="9" pageNumber="174" unit="cm" value="40.0">40 cm</quantity>
deep) pool at the foot of Mok Waterfall (Fig. 7). The bottom of this piece of water is covered with sand and pebbles. Shrimps were observed in this pool. Another female specimen was seen 45 minutes later at about
<quantity id="4CF69B58FFFBFF9AFE39AC1EFD80A94D" box="[500,573,1825,1849]" metricMagnitude="2" metricUnit="m" metricValue="4.0" pageId="9" pageNumber="174" unit="m" value="400.0">400 m</quantity>
downstream of the pool. It was also staying motionless in a still part of the stream. Shrimps were also present.
</paragraph>
<paragraph id="8BB136BDFFFBFF9AFF0AAC57FC2DA99B" blockId="9.[151,1436,151,2030]" pageId="9" pageNumber="174">
The diet of
<taxonomicName id="4C0E4D3EFFFBFF9AFE8AAC56FE7CA9F4" box="[327,449,1896,1921]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi">
<emphasis id="B97AEAAFFFFBFF9AFE8AAC56FE7CA9F4" box="[327,449,1896,1921]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE8AAC56FEE3A9F5" box="[327,350,1897,1920]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
is unknown. The literature brings limited data on the diet of two species of the genus,
<taxonomicName id="4C0E4D3EFFFBFF9AFA4CAC56FEB2A9D0" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="andersonii">
<emphasis id="B97AEAAFFFFBFF9AFA4CAC56FEB2A9D0" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFA4CAC56FA25A9F5" box="[1409,1432,1897,1920]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. andersonii
</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0E4D3EFFFBFF9AFE86ACB2FDF6A9D0" authority="Das 2010" authorityName="Das" authorityYear="2010" box="[331,587,1932,1957]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="alcalai">
<emphasis id="B97AEAAFFFFBFF9AFE86ACB2FE03A9D0" box="[331,446,1932,1957]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFE86ACB2FEDFA9D1" box="[331,354,1933,1956]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. alcalai
</emphasis>
(Das 2010)
</taxonomicName>
. Possible preys present in the biotope of
<taxonomicName id="4C0E4D3EFFFBFF9AFBE1ACB2FB16A9D0" box="[1068,1195,1932,1957]" class="Reptilia" family="Colubridae" genus="Opisthotropis" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="174" phylum="Chordata" rank="species" species="durandi">
<emphasis id="B97AEAAFFFFBFF9AFBE1ACB2FB16A9D0" box="[1068,1195,1932,1957]" italics="true" pageId="9" pageNumber="174">
<collectingCountry id="F319762DFFFBFF9AFBE1ACB2FBFEA9D1" box="[1068,1091,1933,1956]" name="Iceland" pageId="9" pageNumber="174">O</collectingCountry>
. durandi
</emphasis>
</taxonomicName>
include earthworms, tadpoles, small fish and especially fresh-water shrimps. It is interesting to note that the local vernacular name of this snake is Ngou Koung or Ngou Kung, meaning “Shrimp snake”.
</paragraph>
<paragraph id="8BB136BDFFF8FF99FF0AABA8FECCAFD8" blockId="10.[151,1436,151,429]" pageId="10" pageNumber="175">
Amphibian observed in or near the stream bed at the
<typeStatus id="54B5881FFFF8FF99FCEFABA7FCEFAEC5" box="[802,850,152,176]" pageId="10" pageNumber="175">type</typeStatus>
locality include:
<taxonomicName id="4C0E4D3EFFF8FF99FBDDABA7FEB7AEA0" authority="Schneider" authorityName="Schneider" class="Amphibia" family="Bufonidae" genus="Bufo" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="melanostictus" subGenus="Duttaphrynus">
<emphasis id="B97AEAAFFFF8FF99FBDDABA7FBF8AEC5" box="[1040,1093,152,176]" italics="true" pageId="10" pageNumber="175">Bufo</emphasis>
(
<emphasis id="B97AEAAFFFF8FF99FB9AABA8FB4CAEC5" box="[1111,1265,151,176]" italics="true" pageId="10" pageNumber="175">Duttaphrynus</emphasis>
)
<emphasis id="B97AEAAFFFF8FF99FACFABA8FA21AEC5" box="[1282,1436,151,176]" italics="true" pageId="10" pageNumber="175">melanostictus</emphasis>
Schneider
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FED5AB83FC39AEA0" authority="Matsui, Nabhitabhata &amp; Panha" authorityName="Matsui, Nabhitabhata &amp; Panha" box="[280,900,188,213]" class="Amphibia" family="Megophryidae" genus="Leptobrachium" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="smithi">
<emphasis id="B97AEAAFFFF8FF99FED5AB83FDAEAEA0" box="[280,531,188,213]" italics="true" pageId="10" pageNumber="175">Leptobrachium smithi</emphasis>
Matsui, Nabhitabhata &amp; Panha
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FC5EAB83FAA8AEA1" authority="Kou" authorityName="Kou" box="[915,1301,188,213]" class="Amphibia" family="Megophryidae" genus="Ophryophryne" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="pachyproctus">
<emphasis id="B97AEAAFFFF8FF99FC5EAB83FB65AEA0" box="[915,1240,188,213]" italics="true" pageId="10" pageNumber="175">Ophryophryne pachyproctus</emphasis>
Kou
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FAE9AB83FEC7AE8D" authority="Boulenger" authorityName="Boulenger" class="Amphibia" family="Megophryidae" genus="Xenophrys" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="major">
<emphasis id="B97AEAAFFFF8FF99FAE9AB83FF67AE8D" italics="true" pageId="10" pageNumber="175">Xenophrys major</emphasis>
(Boulenger)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FE59ABE0FD43AE8D" authority="Blyth" authorityName="Blyth" box="[404,766,223,248]" class="Amphibia" family="Microhylidae" genus="Microhyla" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="berdmorei">
<emphasis id="B97AEAAFFFF8FF99FE59ABE0FD2EAE8D" box="[404,659,223,248]" italics="true" pageId="10" pageNumber="175">Microhyla berdmorei</emphasis>
(Blyth)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FCD5ABE0FB2BAE8D" authority="Boulenger" authorityName="Boulenger" box="[792,1174,223,248]" class="Amphibia" family="Microhylidae" genus="Microhyla" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="fissipes">
<emphasis id="B97AEAAFFFF8FF99FCD5ABE0FC4BAE8D" box="[792,1014,223,248]" italics="true" pageId="10" pageNumber="175">Microhyla fissipes</emphasis>
(Boulenger)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FB7CABE0FE9CAF68" authority="Boulenger" authorityName="Boulenger" class="Amphibia" family="Microhylidae" genus="Micryletta" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="inornata">
<emphasis id="B97AEAAFFFF8FF99FB7CABE0FA21AE8D" box="[1201,1436,223,248]" italics="true" pageId="10" pageNumber="175">Micryletta inornata</emphasis>
(Boulenger)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FEE3AA3BFD48AF68" authority="Wiegmann" authorityName="Wiegmann" box="[302,757,260,285]" class="Amphibia" family="Dicroglossidae" genus="Hoplobatrachus" kingdom="Animalia" order="Anura" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="rugulosus">
<emphasis id="B97AEAAFFFF8FF99FEE3AA3BFDE6AF68" box="[302,603,260,285]" italics="true" pageId="10" pageNumber="175">Hoplobatrachus rugulosus</emphasis>
(Wiegmann)
</taxonomicName>
, and
<emphasis id="B97AEAAFFFF8FF99FCF9AA3AFB86AF68" box="[820,1083,260,285]" italics="true" pageId="10" pageNumber="175">Fejervarja limnocharis</emphasis>
(Gravenhorst). Reptile species observed
<taxonomicName id="4C0E4D3EFFF8FF99FECEAA18FE5FAF35" authority="Gray" authorityName="Gray" box="[259,482,295,320]" class="Reptilia" family="Agamidae" genus="Calotes" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="emma">
<emphasis id="B97AEAAFFFF8FF99FECEAA18FE1FAF35" box="[259,418,295,320]" italics="true" pageId="10" pageNumber="175">Calotes emma</emphasis>
Gray
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FE23AA16FC86AF35" authority="Kuhl" authorityName="Kuhl" box="[494,827,295,320]" class="Reptilia" family="Scincidae" genus="Eutropis" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="multifaciatus">
<emphasis id="B97AEAAFFFF8FF99FE23AA16FD5AAF35" box="[494,743,295,320]" italics="true" pageId="10" pageNumber="175">Eutropis multifaciatus</emphasis>
(Kuhl)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FC8AAA18FB79AF35" authority="Blyth" authorityName="Blyth" box="[839,1220,295,320]" class="Reptilia" family="Scincidae" genus="Tropidophorus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="berdmorei">
<emphasis id="B97AEAAFFFF8FF99FC8AAA18FBD6AF35" box="[839,1131,295,320]" italics="true" pageId="10" pageNumber="175">Tropidophorus berdmorei</emphasis>
(Blyth)
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FB1DAA18FA21AF35" box="[1232,1436,295,320]" class="Reptilia" family="Homalopsidae" genus="Enhydris" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="plumbea">
<emphasis id="B97AEAAFFFF8FF99FB1DAA18FA21AF35" box="[1232,1436,295,320]" italics="true" pageId="10" pageNumber="175">Enhydris plumbea</emphasis>
</taxonomicName>
(Boie in Boie),
<taxonomicName id="4C0E4D3EFFF8FF99FE84AA73FDD5AF10" authority="Boie" authorityName="Boie" box="[329,616,332,357]" class="Reptilia" family="Colubridae" genus="Lycodon" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="subcinctus">
<emphasis id="B97AEAAFFFF8FF99FE84AA73FD95AF10" box="[329,552,332,357]" italics="true" pageId="10" pageNumber="175">Lycodon subcinctus</emphasis>
Boie
</taxonomicName>
,
<taxonomicName id="4C0E4D3EFFF8FF99FDB9AA72FC35AF10" authority="Boie" authorityName="Boie" box="[628,904,332,357]" class="Reptilia" family="Pareatidae" genus="Pareas" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="carinatus">
<emphasis id="B97AEAAFFFF8FF99FDB9AA72FC8BAF11" box="[628,822,333,356]" italics="true" pageId="10" pageNumber="175">Pareas carinatus</emphasis>
(Boie)
</taxonomicName>
, and
<taxonomicName id="4C0E4D3EFFF8FF99FC0BAA72FA9CAF11" authority="Gray." authorityName="Gray." box="[966,1313,332,357]" class="Reptilia" family="Viperidae" genus="Trimeresurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="175" phylum="Chordata" rank="species" species="albolabris">
<emphasis id="B97AEAAFFFF8FF99FC0BAA72FB65AF10" box="[966,1240,332,357]" italics="true" pageId="10" pageNumber="175">Trimeresurus albolabris</emphasis>
Gray.
</taxonomicName>
The broad range of species with different requirements result from the heterogeneous nature of the habitat that ranges from forest to rice fields.
</paragraph>
</subSubSection>
</treatment>
</document>