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Lycodon flavozonatus (POPE, 1928)

IUCN Red List - Lycodon flavozonatus - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Yellow-Banded Big Tooth Snake, Yellow-Spotted Wolf Snake, Big-tooth Snake
Chinese: 黄链蛇 
SynonymDinodon flavozonatum POPE 1928: 2
Dinodon flavozonatum — POPE 1935: 198
Dinodon rufozonatum meridionale BOURRET 1935 (fide SMITH 1943)
Dinodon flavozonatus — SMITH 1943: 271
Dinodon flavozonatum — MARX 1958
Dinodon flavozonatum — ORLOV & RYABOV 2004
Dinodon meridionale — ORLOV & RYABOV 2004: 181
Dinodon meridionale — NGUYEN et al. 2009
Lycodon meridionale — SILER et al. 2013 (by implication)
Lycodon flavozonatus — SILER et al. 2013 (by implication)
Lycodon meridionalis — HECHT et al. 2013
Dinodon meridionale — WALLACH et al. 2014: 236
Dinodon flavozonatum — WALLACH et al. 2014: 236
Lycodon meridionalis — LUU et al. 2018
Lycodon flavozonatus — WANG et al. 2022
Lycodon flavozonatum — WALLACH 2025 
DistributionN Myanmar (= Burma), N Vietnam,
S China (Hainan, Fujian, Guangdong)

Type locality: China, Fukien, Ch’unganhsien.

meridionalis (synonym): N Vietnam (Hoa Binh), Laos, China (Yunnan); Type locality: Chapa (= Sa Pa), Tonkin, N Vietnam.  
Reproductionoviparous 
TypesHolotype: AMNH 34371
Holotype: MNHN-RA 1938.0129 [meridionalis] 
DiagnosisDIAGNOSIS. Closely allied to rufozonatum from which it differs chiefly in having yellow instead of red cross-bands. (Pope 1928)


Additional details (2012 characters) are available for collaborators and contributors. Please contact us for details. 
CommentDistribution: possibly in Yunnan (China) but records from there are questionable (Wang et al. 2022).

Behavior: nocturnal.

Synonymy: D. r. meridionale was synonymized with D. flavozonatum by SMITH 1943 and again by Li et al. 2025.

Etymology: Dinodon rufozonatum meridionale was named after Latin meridionalis, southern, from the south, meridonal. 
References
  • Bourret,R. 1935. Notes herpétologiques sur l'Indochine Française IX. Les serpents de Chapa. Bull. Gen. Instr. Publ., Hanoi 5 et 7: 5-17
  • Dau V, Hoang T, Nguyen T, Pham A 2024. New records and an updated list of reptiles from Thanh Hoa Province, Vietnam. Biodiversity Data Journal 12: e134976 - get paper here
  • Dowling, H.G., & Jenner, J.V. 1988. Snakes of Burma: checklist of reported species and bibliography. Smithsonian Herp. Inf. Serv. (76): 19 pp. - get paper here
  • Gawor, A., C. T. Pham, T. Q. Nguyen, T. T. Nguyen, A. Schmitz & T. Ziegler 2016. The herpetofauna of the Bai Tu Long National Park, northeastern Vietnam. Salamandra 52 (1): 23-41 - get paper here
  • Glass, Bryan P. 1946. A collection of reptiles from Hunan and Anhwei provinces, China. Copeia 1946 (4): 249-252 - get paper here
  • Guo, Peng; Liang Zhang, Qin Liu, Cao Li, R. Alexander Pyron, Ke Jiang, Frank T. Burbrink 2013. Lycodon and Dinodon: One genus or two? Evidence from molecular phylogenetics and morphological comparisons. Molecular Phylogenetics and Evolution 68 (1): 144–149 - get paper here
  • Hecht, Vera L.; Cuong T. Pham, Tao T. Nguyen, Truong Q. Nguyen, Michael Bonkowski & Thomas Ziegler 2013. First report on the herpetofauna of Tay Yen Tu Nature Reserve, northeastern Vietnam. Biodiversity Journal 4 (4): 507–552
  • Janssen HY, Pham CT, Ngo HT, Le MD, Nguyen TQ, Ziegler T 2019. A new species of Lycodon Boie, 1826 (Serpentes, Colubridae) from northern Vietnam. ZooKeys 875: 1-29 - get paper here
  • Li, S., Zhou, H., Liu, S., & Rao, D. 2025. Evaluation of the Validity of the Wolf Snake Species Lycodon meridionalis (Bourret, 1935)(Serpentes: Colubridae). Russian Journal of Herpetology, 32(1): 20-32 - get paper here
  • Luu, V Q; Dinh, T S; Truong, L K & Lo, O V; 2019. Lycodon meridionalis (Vietnamese Large-toothed Snake) Diet. Herpetological Review 50 (1): 161-162 - get paper here
  • Luu, V. Q., Dinh, T. S., Lo, O. V., Nguyen, T. Q. and Ziegler, T. 2020. New records and an updated list of reptiles from Ba Vi National Park, Vietnam. Bonn Zoological Bulletin 69: 1-9.
  • Luu, Vinh Quang; Michael Bonkowski, Truong Quang Nguyen, Minh Duc Le,, Thomas Calame & Thomas Ziegler 2018. A new species of Lycodon Boie, 1826 (Serpentes: Colubridae) from central Laos. Revue suisse de Zoologie 125(2): 263-276
  • LUU, VINH QUANG; THOMAS ZIEGLER, NGHIA VAN HA, MINH DUC LE, TUOI THI HOANG 2019. A new species of Lycodon Boie, 1826 (Serpentes: Colubridae) from Thanh Hoa Province, Vietnam. Zootaxa 4586 (2): 261-277 - get paper here
  • Messenger, Kevin R. and Dahn, Hollis A. 2016. Lycodon flavozonatus (Yellow-Banded Big Tooth Snake) Diet. Herpetological Review 47 (4): 685 - get paper here
  • Nguyen, S.V., Ho, C.T. and Nguyen, T.Q. 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp.
  • Nguyen, Truong Quang; Tan Van Nguyen, Cuong The Pham, An Vinh Ong & Thomas Ziegler 2018. New records of snakes (Squamata: Serpentes) from Hoa Binh Province, northwestern Vietnam. Bonn zoological Bulletin 67 (1): 15–24 - get paper here
  • Orlov, N. & S. A. Ryabov 2004. Revalidization and change of taxonomic status of Dinodon rufozonatum meridionale Bourret, 1935 (Serpentes: Colubridae: Colubrinae). Russ. J. Herpetol. 11(3): 181-197 - get paper here
  • Pham AV, Ziegler T, Nguyen TQ 2020. New records and an updated checklist of snakes from Son La Province, Vietnam. Biodiversity Data Journal 8: e52779 - get paper here
  • Pope, CLIFFORD H. 1935. The Reptiles of China. Turtes, Crocodilians, Snakes, Lizards. Amer. Mus. Nat. Hist., New York, Nat. Hist. Central Asia, 10: lii, 1-604 - get paper here
  • Pope,C.H. 1928. Four new snakes and a new lizard from South China. American Museum Novitates 325: 1-4 - get paper here
  • Siler, C. D., Oliveros, C. H., Santanen, A., Brown, R. M. 2013. Multilocus phylogeny reveals unexpected diversification patterns in Asian wolf snakes (genus Lycodon). Zoologica Scripta 42: 262–277 - get paper here
  • Smith, M.A. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-Region. Reptilia and Amphibia. 3 (Serpentes). Taylor and Francis, London. 583 pp.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here
  • Wang, C. G. M. Z. X., Jia, S. Y. K. T. L., & Hu, C. Z. J. 2022. An updated species checklist of amphibians and reptiles in Fujian Province, China. Biodiversity Science, 22090 - get paper here
  • Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here
  • Zhao, E.M. 2006. The snakes of China [in Chinese]. Hefei, China, Anhui Sience & Technology Publ. House, Vol. I, 372 pp., Vol. II (color plates), 280 pp.
  • Zhao,E. & Adler,K. 1993. Herpetology of China. SSAR, Oxford/Ohio, 1-522
  • Ziegler, Thomas; Dao Thi Anh Tran, Truong Quang Nguyen, Ronith Gila Bina Perl, Lea Wirk, Magdalena Kulisch, Tanja Lehmann, Anna Rauhaus, Tao Thien Nguyen, Quyet Khac Le and Thanh Ngoc Vu. 2014. New amphibian and reptile records from Ha Giang Province, northern Vietnam. Herpetology Notes 7: 185-201 - get paper here
 
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