<documentid="4442CB2E59B6254918C7F916E372EC05"ID-CLB-Dataset="300349"ID-DOI="10.3897/vz.74.e124752"ID-GBIF-Dataset="b637a981-80a3-4475-99c3-f213940e174d"ID-ZooBank="154CE236-EFA8-4411-834B-234A9B45A63F"ID-publisher-id="124752"URI-arpha="EA0088AE-2D74-569C-900B-1A82CA6D5784"URI-zoobank="http://zoobank.org/154CE236-EFA8-4411-834B-234A9B45A63F"XM.bibliography_approvedBy="admin"XM.materialsCitations_approvedBy="admin"article-type="research-article"checkinTime="1722264855187"checkinUser="pensoft"docAuthor="Boruah, Bitupan, Narayanan, Surya, Aravind, Neelavar Ananthram, Lalronunga, Samuel, Deepak, V. & Das, Abhijit"docDate="2024"docId="0987463F2E2D509F88594C782A30D269"docLanguage="en"docName="Vertebrate Zoology 74: 453-486"docOrigin="Vertebrate Zoology 74"docSource="https://vertebrate-zoology.arphahub.com/article/124752/download/xml/"docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic"docStyleName="PensoftTaxPub.0000.journal_article.generic"docTitle="Cyrtodactylus barailensis Boruah, Narayanan, Deepak & Das 2024, sp. nov."docType="treatment"docUuid="6196FFDC-ED56-484E-A845-0C0A7D542BF9"docUuidSource="ZooBank"docVersion="4"dtd-version="3.0"lastPageNumber="486"masterDocId="EA0088AE2D74569C900B1A82CA6D5784"masterDocTitle="Description of six new species of Cyrtodactylus Gray (Squamata: Gekkonidae) from northeastern India"masterLastPageNumber="486"masterPageNumber="453"pageNumber="453"updateTime="1722279389842"updateUser="ExternalLinkService">
<mods:titleid="C36AAAECA2D72BC48968E47E31EEF184">Description of six new species of Cyrtodactylus Gray (Squamata: Gekkonidae) from northeastern India</mods:title>
<mods:affiliationid="365487CCBC2521EF997B015A53020731">Wildlife Institute of India, Chandrabani, Dehradun, Uttarakhand 248001, India</mods:affiliation>
<mods:affiliationid="8EFD043A3250866005A603E8CC45195B">SM Sehgal Foundation Center for Biodiversity and Conservation, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Bangalore, Karnataka 560064, India</mods:affiliation>
<mods:affiliationid="10A7C6F515B69B78647E7627426646E5">SM Sehgal Foundation Center for Biodiversity and Conservation, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Bangalore, Karnataka 560064, India & Yenepoya Research Centre, Yenepoya University, Derlakatte, Mangalore, India</mods:affiliation>
<mods:affiliationid="5338BA4D5817DEC9EA6AAB1E9FD7134F">Department of Life Sciences, The Natural History Museum, London SW 7 5 BD, UK & School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE 1 7 RU, UK</mods:affiliation>
<mods:affiliationid="6C1CB44677407A09CF68BAE82AE048C6">Wildlife Institute of India, Chandrabani, Dehradun, Uttarakhand 248001, India</mods:affiliation>
<taxonomicNameid="B66B065DF31F1C5AD1F836200E528CA0"authority="Boruah, Narayanan, Deepak & Das"authorityName="Boruah, Narayanan, Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="barailensis"status="sp. nov.">
<figureCitationid="432F9A987D9C301E25AD05B0051EF3FE"captionStart="Figure 5"captionStartId="F5"captionText="Figure 5. Holotype of Cyrtodactylus barailensis sp. nov. (WII-ADR 971). A dorsal and B ventral view of the whole body; C dorsal, D ventral, and E lateral view of head; F dorsal tubercles on trunk; G ventral view of left manus, and H left pes. I C. barailensis sp. nov. in life. Scale bar: 10 mm."figureDoi="10.3897/vz.74.e124752.figure5"httpUri="https://binary.pensoft.net/fig/1102271">Figure 5</figureCitation>
;
<tableCitationid="D5D90750E8A8736F85586E003DB7354F"captionStart="Table 2"captionStartId="T2"captionText="Table 2. Comparative table of summary morphological characteristics among the members of the khasiensis group including the seven new species. NA- data not available; “ * ” data from the literature is not comparable with our data as the count method is different."httpUri="http://table.plazi.org/id/4AAE94DC4D30D8EB1A84D336CC270F8B"tableUuid="4AAE94DC4D30D8EB1A84D336CC270F8B">Tables 2, S 2</tableCitation>
<materialsCitationid="29B43AB5640DF5D78509BD6FE93C504F"collectingDate="2021-08-14"collectorName="Abhijit Das & Bitupan Boruah"county="Peren District"elevation="740"latitude="25.54199"location="Athibung"longLatPrecision="5"longitude="93.6307"specimenCode="WII-ADR 971"specimenCount="1"specimenCount-female="1"stateProvince="Nagaland"typeStatus="holotype">
<figureCitationid="E533ABC182595ED938F3C30C6D134557"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Map showing geographic distribution of the clades within the khasiensis group. A type localities of the members of the four clades in the Indo-Burma region: 1 Cyrtodactylus septentrionalis, 2 C. guwahatiensis, 3 C. urbanus, 4 C. kazirangaensis, 5 C. siangensis sp. nov., 6 C. cayuensis, 7 C. namdaphaensis sp. nov., 8 C. bapme, 9 C. karsticola, 10 C. agarwali, 11 C. exercitus, 12 C. jaintiaensis, 13 C. khasiensis, 14 C. barailensis sp. nov., 15 C. nagalandensis, 16 C. kiphire sp. nov., 17 C. namtiram, 18 C. vairengtensis, 19 C. manipurensis sp. nov., 20 C. mombergi, 21 C. dianxiensis, 22 C. tripuraensis, 23 C. montanus, 24 C. aaronbaueri, 25 C. bengkhuaiai, 26 C. ngopensis, 27 C. lungleiensis, 28 C. ngengpuiensis sp. nov., 29 C. siahaensis, 30 C. gansi, 31 C. myaleiktaung, 32 C. brevidactylus, 33 C. aunglini, 34 C. chrysopylos, 35 C. ayeyarwadyensis; B cayuensis clade, green star (type locality of C. siangensis sp. nov.), pink star (type locality of C. cayuensis), pink triangle (C. “ arunachalensis ”), pink circle (C. cayuensis recorded in this study) (numbers correspond to the locality given in Table 1)."figureDoi="10.3897/vz.74.e124752.figure3"httpUri="https://binary.pensoft.net/fig/1102269">3 A</figureCitation>
in adult female; supralabials 9–12 and infralabials nine; 12 or 13 lamellae beneath the digit IV of manus; 17 lamellae beneath digit IV of pes; 17 feebly keeled and bluntly conical tubercles across mid dorsum and 32 paravertebral tubercles; 36 smooth mid-ventral scales between ventrolateral folds; at least 10 small precloacal pores in female; head on top pale-brown with purplish tinge; dark-brown postorbital stripe continuing to above the ear opening; a dark-brown cross bar with irregular edges on nape; indistinct pale-yellow patch on occipital region; dorsally and laterally neck and back pale yellowish-brown with dark-brown irregular reticulation.
<abbrevid="ABBRID0E2TAK"xlink_title="head length from the retroarticular process of the jaw to the snout tip">HL</abbrev>
/
<abbrevid="ABBRID0E6TAK"xlink_title="snout to vent length">SVL</abbrev>
= 0.26), dorsoventrally depressed, longer than width (
<abbrevid="ABBRID0EDUAK"xlink_title="maximum head width">HW</abbrev>
/
<abbrevid="ABBRID0EHUAK"xlink_title="head length from the retroarticular process of the jaw to the snout tip">HL</abbrev>
= 0.65), oval, distinct from neck, broader at occipital region; snout tip rounded in both dorsal and lateral view; loreal region convex; canthus rostralis rounded, indistinct; interorbital space flat; a longitudinal furrow on dorsal surface of the snout; snout short (
<abbrevid="ABBRID0ELUAK"xlink_title="distance between the snout tip and the anterior bony orbital border">SO</abbrev>
/
<abbrevid="ABBRID0EPUAK"xlink_title="head length from the retroarticular process of the jaw to the snout tip">HL</abbrev>
= 0.39), longer than orbit (
<abbrevid="ABBRID0ETUAK"xlink_title="orbit diameter, taken between the anterior and posterior bony orbital borders">OD</abbrev>
/
<abbrevid="ABBRID0EXUAK"xlink_title="distance between the snout tip and the anterior bony orbital border">SO</abbrev>
= 0.59); nostril rounded, opening directed posterolaterally; ear opening oblique; scales on head heterogeneous, largest on snout and loreal region, posteriorly smaller in upper eyelid, interorbital space and occipital region, granular juxtaposed; scales on upper eyelids heterogeneous, supraciliaries outwardly sharp giving serrated appearance in dorsal view, size anteriorly and posteriorly decreases, largest at the anterodorsal region; rostral wide, a short groove at the middle on top; rostral connected with nasals, supranasals and first supralabials; a single scale between the supranasals, larger than the rest of the granular snout scales; granular scales at parietal, occipital and temporal region intermixed with slightly larger rounded and bluntly conical granular tubercles starting from the level of posterior margin of the upper eyelids, smaller in parietal region, size increases towards nape; supralabial 12 on right side and nine on left side, supralabials count up to midorbit is eight on right side and six on left side, size decreases towards angle of jaw; a series of narrow, enlarged scales above the supralabials between nostril and anterior orbital border; mental triangular, connected with first infralabials and inner postmentals; nine infralabials on both side, size decreases towards angle of jaw; inner pair of postmentals are larger than the outer postmentals; posterior margin of the inner postmentals bordered by eight granular scales of different size; two rows of slightly enlarged, narrow scales, larger than gular scales present along the infralabials starting below the outer postmentals, posteriorly size decreases; gular scales granular, juxtaposed, homogeneous, size increases towards the throat where they become imbricate.
</paragraph>
<paragraphid="00085B6F36BB370F40D2BB495C87E464">
Habitus slender (
<abbrevid="ABBRID0E4UAK"xlink_title="maximum body width">BW</abbrev>
/
<abbrevid="ABBRID0EBVAK"xlink_title="snout to vent length">SVL</abbrev>
= 0.16,
<abbrevid="ABBRID0EFVAK"xlink_title="trunk length, between the axilla and groin">TRL</abbrev>
/
<abbrevid="ABBRID0EJVAK"xlink_title="snout to vent length">SVL</abbrev>
= 0.47), dorsoventrally depressed; dorsal scales granular, rounded, heterogeneous, intermixed with densely placed rounded, weakly keeled and bluntly conical tubercles, irregularly arranged, continues to seventh segment of the tail, size increases towards posterior body and pronounced at the base of tail; 17 dorsal tubercles across mid dorsum; 32 paravertebral tubercles; ventrolateral fold weak; ventral scales larger than those of dorsal, flat, smooth, cycloid, subimbricate to imbricate, largest on posterior part of the belly, 36 mid-ventral scales between ventrolateral folds; 10 small precloacal pores arranged in an inverted “
<collectionCodeid="88E2C3EEA1CCC2F19570764A8CA4961E"country="Canada"lsid="urn:lsid:biocol.org:col:13946"name="Royal British Columbia Museum - Herbarium"type="Museum">V</collectionCode>
” shaped continuous series, followed by a series eight unpored, enlarged scales below it.
</paragraph>
<paragraphid="60E9221D69FCB4372EBA5009B150A43A">
Forelimbs and hindlimbs slender (
<abbrevid="ABBRID0EPVAK"xlink_title="forearm length, taken from the elbow to the wrist">FL</abbrev>
/
<abbrevid="ABBRID0ETVAK"xlink_title="snout to vent length">SVL</abbrev>
= 0.14,
<abbrevid="ABBRID0EXVAK"xlink_title="crus length, taken from the knee to the base of the foot">CL</abbrev>
/
<abbrevid="ABBRID0E2VAK"xlink_title="snout to vent length">SVL</abbrev>
= 0.18); digits strongly inflected at the joints, all bearing large recurved claw and enlarged subdigital lamellae; lamellae count beneath digit IV of right and left manus (given as basal + distal) is 5 + 7 and 5 + 8 respectively; lamellae count beneath digit IV of both right and left pes (given as basal + distal) is 8 + 9; dorsal scales on forelimbs heterogeneous in size; hind arm scales smooth and subimbricate; forearm scales small and granular towards proximal and towards distal end it is smooth, cycloid and imbricate; forearm scales intermixed with enlarged feebly keeled tubercles; dorsal scales of hindlimbs heterogeneous, intermixed with densely placed large, rounded and bluntly conical tubercles; scales on inner lateral and dorsolateral side of the thighs smooth, large and imbricate, rest of the scales are granular; scales on tibia are small, granular juxtaposed; ventral scales of forelimbs granular, juxtaposed, mostly homogeneous; scales on palm heterogeneous in shape and size, granular juxtaposed; ventral scales of hind limbs smaller than those of belly, smooth, cycloid and subimbricate; scales on the knee, above cloaca and on thigh below the level of precloacal pores smaller and granular; scales on soles heterogeneous, granular, juxtaposed to subimbricate.
), slender, gradually tapering towards tip; tail segments indistinct; dorsal scales small, granular, juxtaposed at the base, posteriorly size of the scales increases, flat, smooth, subimbricate, heterogeneous in shape and size; enlarged feebly keeled scales up to seventh segment of the tail, those on basal segment are pronounced; subcaudal scales smooth, subimbricate, wider than that of dorsal, heterogeneous in shape and size; no enlarged plate like series of subcaudal scales; four bluntly conical spurs on both sides of the tail base.
</paragraph>
</subSubSection>
<subSubSectionid="SECID0EFWAK"type="Colouration in life">
<paragraphid="3658C5A7A092351A948A9698B687D6E0">
<headingid="41507745A821A4E9FDE6F9127A58486E"reason="title">Colouration in life.</heading>
</paragraph>
<paragraphid="F92E119312CEC9DBA4E7F925EF27A2D7">
Head on top pale-brown with purplish tinge, indistinct brown irregular spots on occipital region; a short brown streak behind the posterior corner of the upper eyelid; a broad, dark-brown postorbital stripe continuing to above the ear opening; area between these two postorbital streaks is paler than dorsal head colour; an indistinct brown loreal stripe covering the nasal and an indistinct pale stripe above it; indistinct pale-yellow patch on occipital region; lips and mandibular region paler with indistinct yellow spots; dorsally and laterally neck and back pale yellowish-brown with dark-brown irregular reticulation starting from neck to sacrum; a dark-brown cross bar with irregular edges on nape; limbs pale-yellowish-brown with dark-brown reticulation; digits with alternative dark-brown and pale-yellow bars; tail with alternative 11 dark and 10 light bars in the original part, dark bars posteriorly more darker and broader; light bars posteriorly more whitish, first bar at the base of tail broken into two spots; fourth and fifth bar connected on left side; ventrally head, trunk and limbs whitish; tail with irregular brown and pale-yellow patches (Fig.
<figureCitationid="40CBA6E483DE3CAF85E163A315DE0080"captionStart="Figure 5"captionStartId="F5"captionText="Figure 5. Holotype of Cyrtodactylus barailensis sp. nov. (WII-ADR 971). A dorsal and B ventral view of the whole body; C dorsal, D ventral, and E lateral view of head; F dorsal tubercles on trunk; G ventral view of left manus, and H left pes. I C. barailensis sp. nov. in life. Scale bar: 10 mm."figureDoi="10.3897/vz.74.e124752.figure5"httpUri="https://binary.pensoft.net/fig/1102271">5 I</figureCitation>
<taxonomicNameid="1C5138CA777B39D59A7883C1032233F0"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="barailensis"status="sp. nov.">
<taxonomicNameid="AB842A9AB90F6E171BC2053A254FF3B3"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="barailensis"status="sp. nov.">
<subSubSectionid="SECID0EIYAK"type="Colouration in preservative">
<paragraphid="3F3A07ABDF435B848856571ED2D7FEDF">
<headingid="268576E696C85CBEF6ACE07BB0146944"reason="title">Colouration in preservative.</heading>
</paragraph>
<paragraphid="3AEAA1985598988CD6F860301CD877A8">Top of head pale-greyish-brown; neck, back, limbs and tail dorsally light-grey with dark-brown markings; marking pattern visible as those in life condition; ventrally whitish with brown specks on tail.</paragraph>
<taxonomicNameid="EE9053E966AEE3837D898BCDE0285856"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="barailensis"status="sp. nov.">
<abbrevid="ABBRID0ED3AK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">PVT</abbrev>
32 (vs.
<abbrevid="ABBRID0EH3AK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">
<abbrevid="ABBRID0EW3AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
absent in female), fewer mid-ventral scales,
<abbrevid="ABBRID0E13AK"xlink_title="mid-ventral scale rows, counted between ventrolateral folds at the midpoint between axilla and groin">
<taxonomicNameid="7A8782B88B14C81D3E62796A2C88E829"authorityName="Liu & Rao"authorityYear="2021"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="dianxiensis">
<abbrevid="ABBRID0EV4AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
absent in female), fewer subdigital lamellae, 12 or 13 under fourth finger and 16 under fourth toe (vs. 16 or 17 under fourth finger and 19 or 20 under fourth toe); differs from
<abbrevid="ABBRID0EM5AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
10 (vs.
<abbrevid="ABBRID0EQ5AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
<abbrevid="ABBRID0EP6AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
10 (vs. 12
<abbrevid="ABBRID0ET6AK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
in female); differs from
<taxonomicNameid="91436873DF8F720F83B59DDF8657A584"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="kiphire"status="sp. nov.">
<abbrevid="ABBRID0EKBBK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">PVT</abbrev>
32 (vs.
<abbrevid="ABBRID0EOBBK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">
<abbrevid="ABBRID0ESBBK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
<abbrevid="ABBRID0EJCBK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
absent), broad regular dark bands absent on dorsum (vs. present); differs from
<taxonomicNameid="678BC77F913A210926657F4FD7F7FDF2"authorityName="Mahony & Kamei"authorityYear="2021"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="namtiram">
<abbrevid="ABBRID0ENEBK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">PVT</abbrev>
32 (vs.
<abbrevid="ABBRID0EREBK"xlink_title="paravertebral tubercles on the trunk, counted between the level of the axilla and the level of the groin">
22–24), presence of precloacal pores in female (vs.
<abbrevid="ABBRID0EIFBK"xlink_title="precloacal pores, a continuous series of pore-bearing scales on the precloacal region that does not extend onto the thighs">PcP</abbrev>
<tableCitationid="5BF013D3B9495F3524E24F96F9D92834"captionStart="Table 2"captionStartId="T2"captionText="Table 2. Comparative table of summary morphological characteristics among the members of the khasiensis group including the seven new species. NA- data not available; “ * ” data from the literature is not comparable with our data as the count method is different."httpUri="http://table.plazi.org/id/4AAE94DC4D30D8EB1A84D336CC270F8B"tableUuid="4AAE94DC4D30D8EB1A84D336CC270F8B">2</tableCitation>
<taxonomicNameid="11A019310ED45945A9534FE490B79BE4"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="barailensis"status="sp. nov.">
has a high genetic divergence of 10.9 % from its closely related
<taxonomicNameid="1D5B4540B60B3C2455FB841364384BC1"authorityName="Mahony & Kamei"authorityYear="2021"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="namtiram">
<taxonomicNameid="09EFAD8242AA1FC34F7BCB941FF79E56"authorityName="Boruah & Narayanan & Aravind & Lalronunga & Deepak & Das"authorityYear="2024"class="Squamata"family="Gekkonidae"genus="Cyrtodactylus"kingdom="Animalia"phylum="Chordata"rank="species"species="kiphire"status="sp. nov.">
<paragraphid="C1C74D550F578A7714F3003B736CF333">The specific epithet is a toponym derived from the name of the hill range “ Barail ” where the type locality of the species lies.</paragraph>
During our two-day survey we only located a single individual of this species. Thus, the new species is currently known only from the type locality, in Peren District,
