Oligodon tuani NGUYEN, LE, VO & MURPHY, 2022
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Oligodon tuani
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Langbian kukri snake Vietnamese: Rắn khiếm Langbian |
| Synonym | Oligodon tuani NGUYEN, LE, VO & MURPHY 2022: 557 |
| Distribution | Vietnam (Lam Dong) Type locality: near Cam Ly Stream, Da Lat City, Lam Dong Province, Vietnam (coordinates 11°56’54”N, 108°24’60”E; elevation 1490 m a.s.l.) |
| Reproduction | |
| Types | Holotype. ITBCZ 7899, subadult male, collected by Tuan Minh Nguyen on 15 September 2020 (Figs. 2&3). Paratypes. ITBCZ 7944, adult male, collected on 15 October 2020 by Tuan Minh Nguyen, coordinates 11°57’36”N, 108°23’30”E, elevation 1431 m a.s.l., from Cam Ly Road, vicinity of Da Lat City, Lam Dong Province, Vietnam; ITBCZ 7868, subadult female, collected on 12 September 2020 by Tuan Minh Nguyen, coordinates 12°01’02”N, 108°29’28”E; elevation 1520 m a.s.l., from Da Sar, Lac Duong District, vicinity of Da Lat City, Lam Dong Province, Vietnam; and ITBCZ 8215, adult female, collected from Ward no. 10, Dalat City, Lam Dong Province, Vietnam, coordinates 11°55’56”N, 108°26’58”E, elevation 1440 m a.s.l., on 24 March 2022 by Tuan Minh Nguyen (Fig. 4). |
| Diagnosis | Diagnosis: Oligodon tuani sp. nov. can be distinguished from its congeners by a combination of the following morphological characters: (1) large size in adults (TL ≤ 888 mm); (2) 19 dorsal scale rows at neck and midbody and 15 rows before vent; (3) TaL/TL ratio 0.184 in adult male and 0.123 in adult female; (4) ventrals 173–179 in males and 187–193 in females; (5) subcaudals 58 or 59 in males and 44 or 45 in females; (6) presubocular present; (7) 8 supralabials, fourth and fifth entering orbit; (8) cloacal plate undivided; (9) 10 maxillary teeth, posterior three enlarged; (10) vertebral stripe present; (11) temporal streak present but faint and interrupted; (12) long and deeply forked hemipenes, extending to 25th subcaudal, without spines and papillae but with small and transversal folds and distal calyces; and (13) 13–15+3–4 dorsal blotches. (Nguyen et al. 2022) Additional details (12741 characters) are available for collaborators and contributors. Please contact us for details. |
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