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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesSinhala: Retigala diva huna
Tamil: Retigala pahal palli
E: Retigala day gecko 
SynonymCnemaspis retigalensis MENDIS WICKRAMASINGHE & MUNINDRADASA 2007
Cnemaspis retigalensis — MANAMENDRA-ARACHCHI et al. 2007 
DistributionSri Lanka

Type locality: Weweltenna, Retigala, Sri Lanka, (N 08° 06’ 40.3” E 080° 39’ 31.4”, elevation 710m ).  
TypesHolotype: NMSL 20061201, Adult male, 28.76 mm SVL, 30.10.2005, collected by L . J. Mendis Wickramasinghe and D. A. I. Munindradasa. 
DiagnosisDiagnosis: A small-sized Cnemaspis (snout to vent length 26–31 mm in an adult males), which can be distinguished from all known congeners by the following combination of characters: postmentals separated by a small scale; nostrils are not in contact with first supralabial; six supra labials to angle of mid-orbit position and end of jaw at 7–8 supra labials; 30–32 interorbitals; throat scales smooth; dorsal tubercles 62–65; dorsal tubercles small, rounded, pentagonal or hexagonal; absence of groups of carinated large scales in dorsal body; presence of conical tubercles, larger than dorsal body scales on the lower part of flank; spine-like tubercles absent on flanks; scales on the thigh intermixed with the tricarinated form; gular scales smooth; midventrals 26–27; ventral smooth and imbricate; subcaudals slightly large; preanal pores absent; 3–4 femoral pores on each side; 11 subdigital lamellae and 3 basal lamellae in the 4th finger; 11–12 subdigital lamellae and 6 basal lamellae in the 4th toe.
C. retigalensis sp. nov. is congener with C. kandiana and C. kumarasinghei sp. nov. from morphological characters. However, C. retigalensis can easily be distinguished from C. kandiana by the absence of preanal pores and having smooth gula scales and, from C. kumarasinghei by absence of preanal pores and
presence of scales on the thigh intermixed with the tricarinated form, and also from morphometric analysis. Specimens with yellow vertebra line are found rarely.
CommentHabitat: C. retigalensis is often found in hill tops, on the lower 2m of trees and rocks.

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyThe species epithet retigalensis is derived from Latin for “Retigala” referring to the forest where the species nov. is discovered. 
  • Agarwal, I., Biswas, S., Bauer, A.M., Greenbaum, E., Jackman, T.R., De Silva, A. & Batuwita, S. 2017. Cryptic species, taxonomic inflation, or a bit of both? New species phenomenon in Sri Lanka as suggested by a phylogeny of dwarf geckos (Reptilia, Squamata, Gekkonidae, Cnemaspis). Systematics and Biodiversity, 15, 427–439 - get paper here
  • Barts, M. 2007. Sechs neue Taggeckos aus der Gattung Cnemaspis. Draco 7 (30): 93-96 - get paper here
  • Karunarathna, Suranjan; Nikolay A. Poyarkov, Anslem de Silva, Majintha Madawala, Madhava Botejue, Vladislav A. Gorin, Thilina Surasinghe, Dinesh Gabadage, Kanishka D.B. Ukuwela & Aaron M. Bauer 2019. Integrative taxonomy reveals six new species of day geckos of the genus Cnemaspis Strauch, 1887 (Reptilia: Squamata: Gekkonidae) from geographically-isolated hill forests in Sri Lanka. Vertebrate Zoology 69 (3): 247–298 - get paper here
  • Manamendra-Arachchi, Kelum; Batuwita, Sudesh & Pethiyagoda, Rohan 2007. A taxonomic revision of the Sri Lankan day-geckos (Reptilia: Gekkonidae: Cnemaspis), with description of new species from Sri Lanka and southern India. Zeylanica 7 (1): 9-122
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Somaweera, R. & Somaweera, N. 2009. Lizards of Sri Lanka: a colour guide with field keys. Chimaira, Frankfurt, 304 pp.
  • VIDANAPATHIRANA, DULAN RANGA; M. D. GEHAN RAJEEV, NETHU WICKRAMASINGHE, SAMANTHA SURANJAN FERNANDO & L. J. MENDIS WICKRAMASINGHE & L. J. MENDIS WICKRAMASINGHE 2014. Cnemaspis rammalensis sp. nov., Sri Lanka’s largest day-gecko (Sauria: Gekkonidae: Cnemaspis) from Rammalakanda Man and Biosphere Reserve in southern Sri Lanka. Zootaxa 3755 (3): 273–286 - get paper here
  • Wickramasinghe, L.J. MENDIS; & D. A. I. MUNINDRADASA 2007. Review of the genus Cnemaspis Strauch, 1887 (Sauria: Gekkonidae) in Sri Lanka with the description of five new species. Zootaxa 1490: 1-63 - get paper here
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