Trachischium nyalamense GUO, LIU, JIN, SHU, WU & CHE, 2024

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Higher Taxa	Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Trachischium nyalamense GUO, LIU, JIN, SHU, WU & CHE 2024: 12 Trachischium guentheri — CHE et al. 2020: 744
Distribution	China (Xizang) Type locality: Zhangmu Town (85.89° E, 27.97° N), Nyalam County, Xizang, China
Reproduction
Types	Holotype: KIZ 012569, adult male; collected on 16 June 2012 by Jiang Ke, Yang Junxiao, and Wang Kai.
Diagnosis	Diagnosis: Trachischium nyalamense sp. nov. can be diagnosed by a combination of the following characters: 1) nasals 1/1; 2) prefrontals 2; 3) supralabials 6/6 (L/R); 4) infralabials 5/5 (L/R); 5) post-oculars 1/1; 6) body scales in 13 rows throughout; 7) ventral scales 150; 8) sub‐ caudal scales 38 pairs; 9) TaL/TL ratio 0.165; and 10) belly milky white. (Guo et al. 2024)
Comment
Etymology	Named after the type locality.
References	Che J, Jiang K, Yan F, Zhang Y. 2020. Amphibians and Reptiles in Tibet––Diversity and Evolution. Science Press, Beijing, China. 803 pp GUO, P., LIU, Q., JIN, J. Q., SHU, F., WU, Y. Y., & CHE, J. 2024. Multilocus Molecular Phylogeny and Morphological Comparisons Provide New Insights into Systematics of the Genus Trachischium Günther, 1858 (Serpentes: Natricidae). Current Herpetology, 43(1): 7-21 - get paper here
External links	Google images

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