Cnemaspis biocellata GRISMER, CHAN, NASIR & SUMONTHA, 2008
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Cnemaspis biocellata
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| Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
| Subspecies | |
| Common Names | E: Twin-spot Rock Gecko |
| Synonym | Cnemaspis biocellata GRISMER, CHAN, NASIR & SUMONTHA 2008 Cnemaspis siamensis —MANTHEY & GROSSMANN 1997:215 Cnemaspis siamensis — COX et al. 1998:91 Cnemaspis biocellata — GRISMER 2011 Cnemaspis biocellata — GRISMER et al. 2014: 34 |
| Distribution | W Malaysia (Perlis), Thailand (fide Ampai et al. 2020) Type locality: 37 m elevation from Kuala Perlis, Perlis, Peninsular Malaysia (06°24.437N 100°08.564E). |
| Reproduction | oviparous |
| Types | Holotype: ZRC 2.6693, adult male, collected on 3 March 2008 by Chan Kin Onn, L. Lee Grismer, and Rick Gregory. |
| Diagnosis | Diagnosis: Cnemaspis biocellata differs from all other Southeast Asian Cnemaspis in having the unique combination of a maximum SVL of 40.1 mm; 6–10 supralabials; 5–7 infralabials; scales of anterior portion of forearm weakly keeled; ventral scales smooth; no femoral pores; 8–12 precloacal pores; no row of linearly arranged tubercles on flanks; paravertebral, longitudinal rows of caudal tubercles present but no lateral caudal rows; smooth subcaudals with an enlarged median row; one or two cloacal tubercles; no large, shield-like subtibial or submetatarsal scales; 29–37 subdigital lamellae on fourth toe; no distinct, large, dark spots on neck and back alternating with transverse, white markings; no white markings on flanks alternating with dark blotches; no dark bands encircling tail; two distinct, white, well defined occipital ocelli; black occipital band bordering a series of closely spaced, large, white to yellow spots which form a nuchal band extending from posterior margin of one eye to the other eye; small, black shoulder patch enclosing a single white to yellow ocellus; shoulder patches not meeting middorsally; posterior 25% of tail not white. |
| Comment | Distribution: See map in Grismer et al. 2014: 18 (Fig. 4). |
| Etymology | The specific epithet biocellata is derived from the Latin prefix “bi-” meaning “two” and the Latin ocellus meaning “a little eye” and refers to the two small occipital eyespots. |
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