Achalinus nanshanensis LI, ZHU, XIAO, WU, YANG, ZHANG & MO, 2024
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Achalinus nanshanensis
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| Higher Taxa | Xenodermidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Chinese: 南山脊蛇 (Nán Shān Jǐ Shé) E: Nanshan odd-scaled snake |
| Synonym | Achalinus nanshanensis LI, ZHU, XIAO, WU, YANG, ZHANG & MO 2024 |
| Distribution | China (Hunan) Type locality: China, Hunan Province, Shaoyang City, Chengbu County, Nanshan National Park; 26°11′46.34′′N, 110°07′56.38′′E, alt. 1665 m |
| Reproduction | |
| Types | Holotype: HNNU230903, adult ♂; 1 Sept. 2023; Hui Li & Leqiang Zhu leg. Paratypes: China, 1 adult ♂; Hunan Province, Huaihua City, Tongdao County; 25°54′42.37′′N, 109°44′31.39′′E; alt. 300 m; 14 Oct. 2022; Shaowu Wu & Lixun Yang leg.; HNNU230901, 1 adult ♂; same locality and date as holotype; HNNU230902. |
| Diagnosis | Diagnosis. The new species can be distinguished from other members of Achalinus by the following characteristics: (1) dorsal scales with 23 or 25 rows throughout and strongly keeled; (2) tail relatively longer so that TaL/ToL = 0.215–0.248; (3) length of suture between internasals significantly longer than that between prefrontals, LSBI/LSBP = 1.66–1.84; (4) single loreal scale present; (5) SPL 6 in number, with the fourth and fifth contacting eye; (6) IFL 6 in number, with the first three touching the first pair of chin shields; (7) TMP is 2-2-4/2-2(3)-4, with the anterior pair elongated and in contact with the eye; (8) ventrals 2 + 147–158; (9) subcaudals 64–77, unpaired; (10) dorsal body brownish black with a bright-yellow neck collar extending to the head and abdomen in the occipital region. (Li et al. 2024) |
| Comment | Distribution: see map in Li et al. 2024: 260 (Fig. 1). |
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