A new granite cave dwelling endemic species of the Cyrtodactylus intermedius group (Squamata: Gekkonidae) from Hon Son Island, Kien Giang Province, Vietnam DOI
Thinh Gia Tran, NGON QUANG LAM, Truong Nguyen

et al.

Zootaxa, Journal Year: 2024, Volume and Issue: 5541(4), P. 485 - 512

Published: Nov. 28, 2024

During field work on Hon Son Island, we discovered a new species of the genus Cyrtodactylus inferred from genetic and morphological evidence. Phylogenetic analyses based mitochondrial gene ND2, delimit borgattaorum sp. nov. as in C. intermedius group strongly supported sister phuquocensis both Bayesian inference Maximum Likelihood analyses. The is distinguished all other members by having combination 12 supralabials; 10 or 11 infralabials; 22 23 small, rounded, smooth, paravertebral tubercles; rows longitudinally arranged body 35–39 ventrals; 8–10 expanded subdigital lamellae, 13 unexpanded 21 total lamellae fourth toe; enlarged femorals; 8 9 precloacals; precloacal pores males; three post-precloacals; postcloacal femorals precloacals not continuous; proximal nearly same size distal tubercles greatly reduced; no pocketing between digits hands feet; two dark-colored pigmented blotches top head; four dorsal bands lacking lightened centers, thinner than light-colored interspaces bands, bordered prominent white dark markings bands; limbs bearing six caudal bands. lives syntopy with eisenmanae which first record granite cave dwelling Cyrtodactylus.

Language: Английский

A new species of the Cyrtodactylus chauquangensis species group (Squamata, Gekkonidae) from Lao Cai Province, Vietnam DOI Creative Commons
Tung Tran, Quyen Hanh, Cuong The Pham

et al.

ZooKeys, Journal Year: 2024, Volume and Issue: 1192, P. 83 - 102

Published: Feb. 19, 2024

We describe a new species of the genus Cyrtodactylus based on five adult specimens from Bac Ha District, Lao Cai Province, northern Vietnam. luci sp. nov. is distinguished remaining Indochinese bent-toed geckos by combination following morphological characteristics: medium size (SVL up to 89.5 mm); dorsal tubercles in 17–19 irregular transverse rows; ventral scales 32–34 longitudinal rows at midbody; precloacal pores present both sexes, 9 or 10 males, 8 females; 12–15 enlarged femoral each thigh; 9–12 5–10 postcloacal 2–4; lamellae under toe IV 21–23; pattern consisting 5 6 dark bands, thin neckband without V-shape triangle shape middle, top head with brown blotches; subcaudal transversely enlarged. Molecular phylogenetic analyses recovered as sister taxon C. gulinqingensis Yunnan China, strong support all and two taxa are separated approximately 8.87–9.22% genetic divergence fragment mitochondrial ND2 gene. This first representative known Province.

Language: Английский

Citations

3
A new species of karst-dwelling bent-toed gecko of the Cyrtodactylus intermedius group (Squamata, Gekkonidae) from eastern Thailand and the phylogenetic placement of C. intermedius DOI Creative Commons
Natee Ampai, Attapol Rujirawan, Siriporn Yodthong

et al.

ZooKeys, Journal Year: 2024, Volume and Issue: 1211, P. 101 - 130

Published: Sept. 3, 2024

A new karst-dwelling bent-toed gecko of the Cyrtodactylus intermedius group is described from Khlong Hat District, Sa Kaeo Province, eastern Thailand, based on an integrative taxonomic analysis genetic data and morphological characteristics. Phylogenetic analyses using mitochondrial NADH dehydrogenase subunit 2 (ND2) gene revealed that topotypes C. were sister to a clade containing kulenensis Cambodia, unnamed lineage Sakaerat Biosphere Reserve in Nakhon Ratchasima here as khlonghatensis sp. nov. Multivariate morphometric meristic characters showed morphologically distinct all other species by having combination SVL 76.5–82.8 mm adult males 88.5 female; eight supralabial nine infralabial scales; 30–32 paravertebral tubercles; 20 or 21 longitudinal rows dorsal 43 44 ventral seven expanded subdigital lamellae 4 th toe; 12 unmodified 19 total 31 32 number enlarged femoral precloacal scales continuous; 6–8 pore-bearing males; three four post-precloacal 1–3 postcloacal proximal less than one-half size distal absence interdigital pocketing between digits forefeet hindfeet; posterior border nuchal loop rounded. Uncorrected pairwise divergences ( p -distances) ranged 4.73–22.55%. The discovery this exclusively isolated karst formations Thai-Cambodia suggests there may be further undiscovered unexplored landscapes along Thailand western Cambodia.

Language: Английский

Citations

2
Two new cave-dwelling species of Bent-toed Geckos from Saraburi and Loei provinces, Thailand (Squamata: Gekkonidae: Cyrtodactylus) DOI
MONTRI SUMONTHA, Nonn Panitvong, Kirati Kunya

et al.

Zootaxa, Journal Year: 2024, Volume and Issue: 5512(2), P. 272 - 294

Published: Sept. 19, 2024

We describe Cyrtodactylus meesookae sp. nov. from a cave on Khao Nam Phu (14°34’33.2”N, 101°08’42.6”E), limestone hill in Saraburi Province, central Thailand, and C. wiboonatthapoli (previously confused with papilionoides) Pha Sana (17°10’33.8”N 101°57’52.5”E), Loei northeastern Thailand. These two micro-endemic, trogloxene species, separated by distance of about 300 airline km, share typical habitus for limestone-dwelling species relatively similar dorsal pattern, but they are readily distinguished scalation characters.

Language: Английский

Citations

2
Cyrtodactylus panitvongi, a new cave-dwelling Bent-toed Gecko from Lopburi Province, central Thailand (Squamata: Gekkonidae) DOI
Olivier S. G. Pauwels, Natthaphat Chotjuckdikul, Nattasuda Donbundit

et al.

Zootaxa, Journal Year: 2024, Volume and Issue: 5512(3), P. 373 - 388

Published: Sept. 20, 2024

We describe Cyrtodactylus panitvongi sp. nov. from Tham Khao Chan (14°58’42.2”N 101°18’40.6”E), a limestone cave in Lopburi Province, central Thailand. The new species is characterized by the following combination of morphological characters and pattern: maximal known snout-vent length 85 mm, 15–18 interorbital scales, 35–37 interciliary 10–12 supralabials, 9–11 infralabials, 29–33 paravertebral tubercles which 22–25 between limb insertions, 18 longitudinal rows dorsal at midbody, 40–42 ventral scale poorly defined, non-denticulate ventrolateral folds, series 13 or 14 enlarged femoroprecloacal scales including 2 pores on proximalmost each side separated single smaller medial males, six precloacal pits continuous 32–34 females, no groove depression, two three postcloacal spurs base tail males interdigital webbing, 16–19 total subdigital lamellae 4th toe, row widened median subcaudal plates, banded pattern an uninterrupted nuchal collar dark bands dorsum, 10 11 dark-colored rings original tail, golden iris. This trogloxene added to long list squamates endemic Saraburi Group Limestones.

Language: Английский

Citations

2
Genomic analysis of Bornean geckos (Gekkonidae: Cyrtodactylus) reveals need for updated taxonomy DOI
Hayden R. Davis, Izneil Nashriq, KYRA S. WOYTEK

et al.

Zoologica Scripta, Journal Year: 2023, Volume and Issue: 52(3), P. 249 - 263

Published: Feb. 1, 2023

Abstract Using molecular genetic data, recognised diversity within the gecko genus Cyrtodactylus has more than doubled, with many lineages that were once thought to be wide‐ranging being delimited into multiple independent species. On Southeast Asian island of Borneo, there been a recent renewed focus on reptile taxonomy, as data have demonstrated high amount unrecognised biodiversity. We herein advance this taxonomic trend by delimiting three distinct species consobrinus complex: C. consobrinus, kapitensis sp. n., and hutan n. To do so, we use combination ddRADseq single‐locus morphological data. genomic test population boundaries complex show minimal structure but species‐level diversity. Despite not finding uniquely diagnostic characters delimit new species, suggest can used identify each lineage. Lastly, our comment status malayanus , indications lineage is also better considered complex. These highlight prevalence which face threats due increasing deforestation other anthropogenic pressures.

Language: Английский

Citations

5
Another new species of Cyrtodactylus (Squamata: Gekkonidae) from Binh Dinh Province, south-central Vietnam DOI
Hanh Thi Ngo, Quyen Hanh, Dang Trong

et al.

Zootaxa, Journal Year: 2024, Volume and Issue: 5446(1), P. 105 - 120

Published: April 28, 2024

We describe a new species of the Cyrtodactylus irregularis complex based on six adult specimens from Phu Cat District, Binh Dinh Province, Vietnam. binhdinhensis sp. nov. is morphologically distinguished remaining congeners C. group by combination following characteristics: Size medium (SVL up to 80.4 mm); nasal scales 4; internasal single; ventral in 39–42 longitudinal rows at midbody; ventrolateral folds present or absent without interspersed tubercles; precloacal pores 6 7 males; 5 enlarged femoral each thigh; 10 postcloacal tubercles 2–4; lamellae under toe IV 18–21; dorsal pattern consisting slightly clear transverse banding formed shaped dark brown bands, continuous neckband with U-shape triangle shape middle, head surface small blotches; subcaudal transversely enlarged. In phylogenetic analyses, recovered as sister taxon badenensis approximately 15.34–16.15% genetic divergence between two fragment COI gene.

Language: Английский

Citations

1
A new species of Cyrtodactylus (Squamata: Gekkonidae) from Phu Yen Province, Vietnam DOI
Dang Trong, Quyen Hanh, Minh Đức Lê

et al.

Zootaxa, Journal Year: 2023, Volume and Issue: 5271(3), P. 503 - 524

Published: April 27, 2023

We describe a new species of the genus Cyrtodactylus based on six adult specimens from Lac Dao forests, Phu Yen Province, southern Vietnam. tayhoaensis sp. nov. is distinguished remaining Indochinese bent-toed geckos by combination following characters: medium size (SVL up to 94.2 mm); nasal scales 5–6; internasal single or double; ciliaria 29–34; dorsal tubercles in 20–22 irregular transverse rows; ventral scale 37–41 longitudinal rows at midbody; ventrolateral folds present without interspersed tubercles; precloacal pores absent females, 4 5 males; 10 11 enlarged femoral each thigh; 3–7 males, females; postcloacal 3 4; lamellae under toe IV 22–24; pattern consisting unclear bands formed irregularly shaped dark-brown blotches, discontinuous neckband with V-shape triangle shape middle, head surface blotches; subcaudal transversely enlarged. In phylogenetic analyses, recovered as sister taxon C. kingsadai approximately 4% genetic divergence between two fragment COI gene. This second known Province located

Language: Английский

Citations

3
Geckos in zoos: A global approach on distribution patterns of threatened geckos (Gekkota) in zoological institutions DOI
Inna Rech, Philipp Ginal,

Anna Rauhaus

et al.

Journal for Nature Conservation, Journal Year: 2023, Volume and Issue: 75, P. 126467 - 126467

Published: July 28, 2023

Language: Английский

Citations

3
The discovery of two new species in the Cyrtodactylus irregularis group highlights that hidden diversity remains in the largest clade of the mega-diverse genus Cyrtodactylus DOI Creative Commons

Hanh Thi Ngo,

Helene Hormann,

Minh Đức Lê

et al.

European Journal of Taxonomy, Journal Year: 2023, Volume and Issue: 875

Published: June 19, 2023

The Cyrtodactylus irregularis group, originally considered to consist of only one taxon, has been split into 26 species. We herein present the distribution all species within group in Cambodia, Laos and Vietnam describe two new based on integrative analyses. chumuensis sp. nov. is discovered from Dak Lak Province distinguished remaining taxa by more than 11.86% genetic divergence following distinct morphological characters: size medium (SVL 67.5 mm); enlarged femoral scales each thigh 4–5, pores 0–2 males; precloacal 6–7 ventral scale rows 43–45; lamellae under toe IV 17–21. arndti described Binh Dinh genetically differentiated its congeners a minimum 11.42% adult 73.4–80.8 5–11; 6 males, females with pitted pores; 26–38; 17–22; subcaudal transversely enlarged. Additionally, we highlight potential cryptic diversity taxon currently regarded as C. pseudoquadrivirgatus understudied areas where will likely be discovered.

Language: Английский

Citations

2
Banded or striped? Significant colour dimorphism of a bridal snake in Borneo DOI
Ibuki Fukuyama, Mohamad Yazid Hossman, Yusuke Fuke

et al.

Zoologica Scripta, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 13, 2024

Abstract Stripes and bands are common colour patterns in snakes. Some species known to exhibit polymorphism that includes expressing it the stripes. Bridal snake, Dryocalamus is a medium‐sized arboreal snake South Southeast Asia most of genus banded, but including two striped species. In Borneo, banded D. subannulatus tristrigatus occur sympatrically similar morphologically except for their patterns. We hypothesized Borneo significant dimorphism one conducted morphological genetical analysis test hypothesis. Morphological examinations revealed not distinguishable by scalation. Mitochondrial phylogenetic nuclear SNP showed from formed clades or clusters region genetically indistinguishable Bornean should be treated as morph . This rare example distinct banded/striped Relative abundance probably different depending on region, any ecological factor may contribute it.

Language: Английский

Citations

0