A new species of Cyrtodactylus is described from the Truong Son (Annamite mountain range) of Quang Binh Province in central Vietnam. It is characterized by 3–5 transversal dorsal bands between the limb insertions, a neckband reaching the posterior margin of eye, 19–20 irregular longitudinal rows of dorsal tubercles, forelimbs with tubercles, 47–50 longitudinal rows of ventrals at midbody, 9–11 precloacal pores in an angular series in males and 16–27 enlarged precloacal scales in both sexes, 20–23 lamellae below the 4th toe, a segmented tail, and lacking of a distinct ventrolateral fold, a precloacal groove and femoral pores, as well as transversally enlarged subcaudal plates. The new species is known only from the karst forests of Phong Nha - Ke Bang National Park. Preliminary data on its natural history are provided.
A new species of Lygosoma (Squamata: Sauria: Scincidae) from the central Truong Son, Vietnam, with notes on its molecular phylogenetic position. -A new Lygosoma species is described from the Central Truong Son (Annamite mountain range) of Quang Binh Province, Vietnam. The description is based on a single female specimen, collected during the dry season in the karst forest of Phong Nha -Ke Bang National Park. The new Lygosoma differs from any other congener by the dorsal scales with pseudokeels in combination with a pair of frontoparietals; a scaly lower eyelid; seven supralabials; seven infralabials; 32 midbody scale rows; 66 middorsal (paravertebral) scales; smooth ventral scales, arranged in 81 transverse rows; 108 smooth, not enlarged median subcaudal scales; the fourth toe with 14 keeled subdigital lamellae; a reddish brown to brownish black dorsum and an orange-yellowish to greyish ventral side in life; as well as greyish black edged sutures of anterior supra-and infralabials. The new Lygosoma species is the third karst-adapted scincid species that has been described from Phong Nha -Ke Bang National Park since 2005. A first molecular positioning of the new species within the genus Lygosoma is given as well as a key to the Vietnamese Lygosoma species.
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