Rhabdophis siamensis (MELL, 1931)

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Higher Taxa	Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Natrix subminiata siamensis MELL 1931 Rhabdophis himalayanus laobaoensis BOURRET 1934: 169 Rhabdophis subminiatus subminiatus siamensis [sic] — DEUVE 1961: 14 Rhabdophis siamensis — DAVID & VOGEL 2021
Distribution	Thailand, Vietnam, China (Yunnan) Type locality: “Siam” laobaoensis: Vietnam; Type locality: “Lao Bao (Chaîne Annamitique altitude 300 m)”, now Lao Bao, Truong Son Range, Quang Tri Province, Vietnam.
Reproduction	oviparous
Types	Lectotype: ZMB 30222, adult female, designated by David & Vogel 2021. Holotype: MNHN 0121 [laobaoensis]
Diagnosis	Diagnosis (genus): parallel and keeled dorsal scales; 15, 17, 19 or 21 rows of dorsal scales at midbody; large cephalic scales; large eyes with round pupil; divided anal plate and paired subcaudal scales; maxillary teeth separated from a pair of fangs [DORIA et al. 2013].
Comment	Synonymy: Pope Pope 1935: 132, Smith 1943 and others considered this species a synonym of Rhabdophis subminiatus until it was revalidated by David & Vogel 2021. Distribution: For a map see David & Vogel 2021: 110 (Fig. 9).
Etymology	Named after the type locality.
References	David, Patrick & Gernot Vogel 2021. TAXONOMIC COMPOSITION OF THE Rhabdophis subminiatus (SCHLEGEL, 1837) SPECIES COMPLEX (REPTILIA: NATRICIDAE) WITH THE DESCRIPTION OF A NEW SPECIES FROM CHINA. Taprobanica 10 (2): 89–120 - get paper here Deuve, J. 1961. Liste annotee des Serpents du Laos. Bull. Soc. Sci. Nat. Laos 1:5-32. Hauser, Sjon; Ton Smits, Johan van Rooijen 2022. Records of Body Bending Behavior (‘Liana Crypsis’) in Five Snake Species in Thailand and One in Spain Russian Journal of Herpetology 28 (2): 65-75 JANZEN, P. 2022. Amphibians and Reptiles of Thailand Part 4: The northern part of the Thai Peninsula and again the Namtok Samlan NP. Sauria 44 (1): 13-32 - get paper here Mell,R. 1931. List of Chinese snakes. Lingnan Sci. Jour., Canton, 8 [1929]: 199-219. 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
External links	IUCN Red List https://www.facebook.com/groups/stshc/posts/261743992716873/ Google images

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