Gonyosoma coeruleum LIU, HOU, LWIN, WANG & RAO, 2021

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Higher Taxa	Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Gonyosoma coeruleum LIU, HOU, LWIN, WANG & RAO 2021 Elaphe prasina – ZHAO et al. 1998 Elaphe prasina – ZHAO 2006 Elaphe prasina – YANG & RAO 2008 Gonyosoma coeruleum — DAVID et al. 2022
Distribution	China (Xishuangbanna Autonomous Prefecture and Puer City, Yunnan Province), Vietnam, Thailand, W Malaysia, SE Myanmar Type locality: Mengla County, Xishuangbanna Autonomous Prefecture, Yunnan Province, China (21°32'12"N, 101°32'51"E, 900 m a.s.l.).
Reproduction
Types	Holotype: KIZ 2019028, adult female, collected on 29 April 2019. Paratypes: KIZ 2019025 and KIZ 20200729, two adult females; KIZ 2019026 and KIZ 2019027, two adult males.
Diagnosis	Diagnosis: Body size medium (SVL 656–833mm in adults); body slender, head elongated and distinct from neck; large eyes with round pupil; tail long (23–28% of total length) and slender; dorsal scales in 19-19-15 rows, 7–11 rows of mid-dorsal scales keeled; single preocular; two postoculars; one or two anterior temporals and two or three posterior temporals; 189–202 ventral scales; 89–106 paired subcaudals; precloacal plate divided. Dorsal surface bright green with brownish-yellow tip of tail, iris blue, inside of mouth greyish white; tongue brownish yellow with black tips. (Liu et al. 2021). Additional details (11580 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Distribution: probably in Sichuan, Guizhou, and Hainan; likely in S Myanmar, Thailand, Laos, Vietnam, but not confirmed from there. See mao in David 2022: 177 (Fig. 1).
Etymology	The specific epithet “coeruleum” is the neutral gender of the Latin adjective coeruleus (a, um) meaning “blue”, and is given in reference to the coloration of the iris of this species.
References	DAVID, PATRICK; PATRICK D. CAMPBELL, KAUSHIK DEUTI, SJON HAUSER, VINH QUANG LUU, TRUONG QUANG NGUYEN, NIKOLAI ORLOV, OLIVIER S. G. PAUWELS, LAU- REN SCHEINBERG, PRIYADARSI GIRIJA SANKAR SETHY0, TON SMITS, ALEXANDRE TEYNIÉ & GERNOT VOGEL 2022. On the distribution of Gonyosoma prasinum (Blyth, 1854) and Gonyosoma coeruleum Liu, Hou, Ye Htet Lwin, Wang & Rao, 2021, with a note on the status of Gonyosoma gramineum Günther, 1864 (Squamata: Serpentes: Colubridae). Zootaxa 5154 (2): 175–197 - get paper here Liu S, Hou M, Lwin YH, Wang Q, Rao D 2021. A new species of Gonyosoma Wagler, 1828 (Serpentes, Colubridae), previously confused with G. prasinum (Blyth, 1854). Evolutionary Systematics 5(1): 129-139 - get paper here 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 Yang DT, Rao DQ. 2008. Amphibia and Reptilia of Yunnan. Kunming: Yunnan Publishing Group Corporation, 1-411. (in Chinese) Zhao E. M. 1998. Fauna Sinica, Reptilia, Vol. 3, Squamata: Serpentes. Science Press (In Chinese) 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.
External links	National Center for Biotechnology Information http://zoobank.org/81045CF9-665A-4E9C-A563-4794208D0A40 https://www.facebook.com/groups/stshc/posts/561103009447635/ Google images

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