Cnemaspis dissanayakai KARUNARATHNA, DE SILVA, MADAWALA, KARUNARATHNA, WICKRAMASINGHE, UKUWELA & BAUER, 2019
Can you confirm these amateur observations of Cnemaspis dissanayakai?
|Higher Taxa||Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)|
|Common Names||E: Dissanayaka’s Day Gecko|
Sinhala: Dissanayakage Diva-seri Hoona
Tamil: Dissanayakavin Pahalpalli
|Synonym||Cnemaspis dissanayakai KARUNARATHNA, DE SILVA, MADAWALA, KARUNARATHNA, WICKRAMASINGHE, UKUWELA & BAUER in KARUNARATHNA et al. 2019: 334|
|Distribution||Sri Lanka (Polonnaruwa District)|
Type locality: large granite cave in the shaded forest of Dimbulagala, Polonnaruwa District, North-Central Province, Sri Lanka (7.872931°N, 81.135569°E, WGS1984; elevation 129 m
|Types||Holotype. NMSL 2019.20.01, adult male, 28.6 mm SVL (Fig. 6), collected around 1600 hrs) on 12 July 2018 by Suranjan Karunarathna and Anslem de Silva.|
Paratypes. NMSL 2019.20.02, adult female, 29.4 mm SVL, and NMSL 2019.20.03, adult male, 28.2 mm SVL, collected from moss covered granite cave in Dimbula- gala, Polonnaruwa District, North-Central Province, Sri Lanka (7.851358°N, 81.141675°E, WGS1984; elevation 135 m; around 1200 hrs) on 12 July 2018 by Suranjan Karunarathna and Anslem de Silva.
|Diagnosis||Diagnosis: Cnemaspis dissanayakai sp. nov., may be readily distinguished from its Sri Lankan congeners by a combination of the following morphological and meristic characteristics: maximum SVL 29.4 mm; dorsum with homogeneous, subconical granular scales; one internasal, 2/2 supranasals, 1/1 postnasals; 29–31 interorbital scales; 15–17 supraciliaries, 11–12 canthal scales, 21–23 eye to tympanum scales; three enlarged postmentals; postmentals bounded by 6–7 chin scales; chin with smooth granules, gular, pectoral, and abdominal scales smooth, subimbricate; 17 belly scales across the venter; 6–7 well developed tubercles on posterior flank; 105–107 linearly arranged paravertebral granules; two precloacal pores, 4–5 femoral pores on each side in males separated by 10–11 unpored proximal femoral scales, 5–7 unpored distal femoral scales; 118–120 ventral scales; 94–98 midbody scales; subcaudals smooth, median row small, in an irregular series of diamond-shaped scales; 7/7 supralabials; 7/7 infralabials; 21–22 total lamellae on 4th digit of manus, and 21–22 total lamellae on 4th digit of pes.|
Comparisons with other Sri Lankan species. Among species of the C. kandiana clade sensu Agarwal et al. (2017), Cnemaspis dissanayakai sp. nov. differs from C. butewai, C. ingerorum, C. kallima, C. kandiana, C. kivulegedarai, C. kotagamai sp. nov., C. menikay, C. pava, C. pulchra, C. retigalensis, C. samanalensis, C. silvula, C. tropidogaster, and C. upendrai by having homogeneous (versus heterogeneous) dorsal scales; from C. amith by having smooth (versus keeled) pectoral scales; from C. kumarasinghei, C. latha, and C. nandimithrai by having more paravertebral granules (105–107 versus 61–68, 72–79, and 95–99, respectively), and from by having more total lamellae on digit IV of manus and digit IV of pes (21–22 versus 16–18, 17–18, and 19–20, respectively); from C. gotaimbarai by having fewer paravertebral granules (86–92 versus 117–121), fewer ventral scales (107–114 versus 129–138), and fewer total lamellae on digit IV of manus and digit IV of pes (15–16 versus 19–20).
Among species of the C. podihuna clade sensu Agarwal et al. (2017), Cnemaspis dissanayakai sp. nov. differs by the absence of clearly enlarged, hexagonal or subhexagonal subcaudal scales from the following species: C. alwisi, C. anslemi, C. gemunu, C. hitihami, C. kandambyi, C. kohukumburai, C. molligodai, C. nilgala, C. phillipsi, C. podihuna, C. punctata, C. rajakarunai, C. rammalensis, and C. scalpensis.
|Comment||Similar species: C. kumarasinghei, C. latha|
|Etymology||The specific epithet is an eponym Latinized (dissanayakai) in the masculine genitive singular, honoring Dissanayaka Mudiyanselage Karunarathna (born in Nilgala, Bibila) – father of the first author (Suranjan Karunarathna) for his encouragement, financial support for research, and for allowing SK to pursue his interest in wildlife.|
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