Tropidophorus cocincinensis DUMÉRIL & BIBRON, 1839
Can you confirm these amateur observations of Tropidophorus cocincinensis?
|Higher Taxa||Scincidae, Sphenomorphinae, Scincoidea, Sauria, Squamata (lizards)|
|Common Names||Cochinchinese water skink|
|Synonym||Tropidophorus Cocincinensis DUMÉRIL & BIBRON 1839: 556|
Tropidophorus cochinchinensis — GÜNTHER 1861: 267
Tropidophorus cochinchinensis – BOULENGER 1887: 363 (part.)
Tropidophorus cocincinensis — SMITH 1923: 780
Tropidophorus cocincinensis — SMITH 1935: 329
Tropidophorus cocincinensis — BOBROV 1995
Tropidophorus concincinesis [sic] — GREER & BISWAS 2004
|Distribution||Thailand, S Vietnam, Cambodia|
Type locality: unknown Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: MNHN 2847. Smith (1923) mentioned 3 type specimens: MNHN 2845 – 2847. However, the original description was obviously based on a single specimen (Duméril & Bibron 1839). The holotype is MNHN 2847 because it has a TL (179 mm) which is identical with the original description.|
|Comment||Not listed by CHAN-ARD et al. 1999.|
Type Species: Tropidophorus cocincinensis is the type species of the genus Tropidophorus Duméril & Bibron, 1839.
The genus is diagnosed by several characteristics, such as exposure of the tympanum and presence of a single scale at the corner of the eyelid (e.g. Greer 1970; Hikida et al. 2002; Greer & Biswas 2004).
Diagnosis (genus): According to Smith (1935), Taylor (1963), and Hikida et al. (2002) the following characters were selected for diagnosis of the genus: Palatine bones in contact in middle line of palate; pterygoids without teeth (or reduced to one or two teeth), in contact with each other anteriorly; palatal notch not reaching to level of centers of eyes; teeth conical; nostril in a single na- sal; frontonasal single or divided; supranasal absent; prefrontals, frontoparietals and an inter parietal present; lower eyelid scaly without disc; tympanum superf icial; dorsal and lateral scales keeled; limbs pentadactyl with transverse subdigital lamellae. Greer & Biswas (2004) proposed an additional generic character: anterior and posterior corners of eyelids contained within a single, wrap-around scale [from TRUONG et al. 2010].
Diagnosis. Upper head scales striated; frontonasal undivided; prefrontals in contact with or separated from each other by a small scale; loreals 2, separated from supralabials by a series of small scales; superciliaries 6 – 8, superciliary row not completed along the entire length of lateral edge of supraoculars; nuchals in 1 – 3 pairs; supralabials 7, f ifth below the eye; infralabials 6; postmental undivided; midbody scales in 30 – 33 rows; 13 – 14 scale rows at position of tenth subcaudal on tail; paravertebral scales 41 – 46; dorsal scales on tail distinctly keeled, two series of moderately elevated spines along middle of dorsal tail, being continuous with those on back; ventrals in 47 – 53 transverse rows; 2 enlarged precloacals; subdigital lamellae 18 – 21 under fourth toe (after Smith 1935; Bourret 2009; TRUONG et al. 2010).
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