Sphenomorphus tamchucensis PHAM, PHAM, HA, LE, PHAN, HO, LE & NGUYEN, 2026
Can you confirm these amateur observations of Sphenomorphus tamchucensis?
Sphenomorphus tamchucensis
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| Higher Taxa | Scincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Tam Chuc’s Smooth Skink Vietnamese: Thằn lằn phê nô tam chúc |
| Synonym | Sphenomorphus tamchucensis PHAM, PHAM, HA, LE, PHAN, HO, LE & NGUYEN 2026: 268 |
| Distribution | Vietnam (Ninh Binh) Type locality: karst forest (20°29'55.4"N, 105°48'29.6"E, at an elevation of 210 m a.s.l.), in the Tam Chuc forest, within Kim Bang Proposed Species and Habitat Conservation Area, Ninh Binh Province, Vietnam |
| Reproduction | |
| Types | Holotype. IB R.6455 (field number TC-HN. 2025.109) (Figs 3A–C, 4A–H), adult male, collected on 24 April 2025 by T. Q. Nguyen, C.T. Pham, A.V. Pham, and T.Q. Phan. Paratypes. IB R.6456 (field number TC-HN 2025.46), adult male; IB R.6457 (field number TC-HN 2025.108), adult female; IB R.6458 (field number TC-HN 2025.110), adult male; IB R.6459 (field number TC-HN 2025.112), adult male; IB R.6460 (field number TC-HN 2025.121), adult male; IB R.6461 (field number TC-HN 2025.141), adult male; IB R.6462 (field number TC-HN 2025.142), adult female; IB R.6463 (field number TC-HN 2025.143), adult female; IB R.6464 (field number TC-HN 2025.145), adult female; IB R.6465 (field number TC-HN 2025.147), adult female, bear the same data as the holotype. |
| Diagnosis | Diagnosis (n=11): The new species can be distinguished from other species of Sphenomorphus by a combination of the following characteristics: size small (SVL up to 41.6 mm); primary temporals two; external ear opening without lobules; loreals two; supralabials seven; infralabials six; nuchals absent; midbody scales in 28 rows; dorsal scales smooth, in six rows across the back; paravertebral scales 58–63, not widened; ventral scales in 55–61 rows; 8–10 smooth lamellae beneath finger IV and 13–15 beneath toe IV; toes not reaching to fingers when limbs adpressed along body; dorsal surface of body and tail bronze brown with many tiny dark dots and a discontinuous dark vertebral stripe, from middle of neck to tail base; a black stripe, in two scales wide, running from nostril to eye and extending from posterior margin of eye along upper part of flank and middle of tail. (Pham et al. 2025) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 10972 characters) are available for collaborators and contributors. Please contact us for details. |
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