Sphenomorphus tetradactylus (DAREVSKY & ORLOV, 2005)
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Sphenomorphus tetradactylus
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| Higher Taxa | Scincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Leptoseps tetradactylus DAREVSKY & ORLOV 2005 Leptoseps tetradactylus — NGUYEN et al. 2009 Sphenomorphus tetradactylus — NGUYEN et al. 2011 |
| Distribution | Vietnam (Quang Binh Province) Type locality: Phong Nha-Ke Bang National Park, Quang Binh Province, Vietnam (17°23' N, 108°18' E, elevation 300 m) |
| Reproduction | |
| Types | Holotype: ZISP 23259 |
| Diagnosis | Diagnosis: A slender Leptoseps species distinguished from two known congeners and related limb-reduced Asian lygosomines by the following combination of characters: parietal eye spot absent; supranasals ab- sent; prefrontals weakly marked; loreal single; frontal somewhat larger than interparietal; nuchals present; four supraoculars; lower eyelid scaly; ear opening secretive; dorsal scale smooth in 20 longitudinal rows at midbody; four fingers and five toes. |
| Comment | Abundance: probably rare; Known only from the holotype (fide DAREVSKY & ORLOV 2005). This is one of the species called “lost” and “rediscovered” by Lindken et al. 2024. Sympatry: the following species of skinks occur in the same limestone massif: Eumeces elegans Boulenger, 1887; Eumeces quadrilineatus (Blyth, 1853); Lygosoma quadrupes (Linnaeus, 1766); Eutropis longicaudata (Hallowell, 1856); Eutropis multifasciata (Kuhl, 1820); Scincela cf. rupicolum (Smith, 1916); Scincela reevesii (Gray, 1838); Scincella sp.; Sphenomorphus indicus (Gray, 1853); Sphenomorphus sp.; Tropidophorus cf. baviensis Bourret, 1937; and Tropidophorus cocincinensis Duméril et Bibron, 1839. |
| Etymology | The species name tetradactylus call attention to the presence only of four finger on the front legs. |
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