Protobothrops trungkhanhensis ORLOV, RYABOV & NGUYEN, 2009
Can you confirm these amateur observations of Protobothrops trungkhanhensis?
|Higher Taxa||Viperidae, Crotalinae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||English: Trungkhanh Pitviper|
Vietnamese: Ran luc trung khanh.
|Synonym||Protobothrops trungkhanhensis ORLOV, RYABOV & NGUYEN 2009|
Protobothrops trungkhanhensis — WALLACH et al. 2014: 573
|Distribution||Vietnam (Cao Bang), China, elevation 500-700 m.|
Type locality: Trung Khanh Nature Reserve, Trung Khanh district, Cao Bang province, N-E Vietnam, elevation 600 m.
|Types||Holotype: ZISP 25351 (Fn 123); an adult male, collected in September 2008 by Tao Nguyen Thien, Nikolai L. Orlov, Sergei A. Ryabov.|
|Diagnosis||Diagnosis. Extremely small size for Protobothrops, up to 733 mm (SVL adult male is up to 591 mm, Lcd142 mm; SVL female is up to 576 mm, Lcd 123 mm); body slender, slightly compressed; V -188194; Scd - 75 - 76 pairs; anal plate is entire. Scale rows oblique, rhomboid, strongly keeled, including first row of dorsal scales; Sql - 19, Sq2 - 19, Sq3 - 17 rows. The head is very small, triangular and clearly distinct from the neck, covered by very small, convex shields of irregular shape on the upper surface. Supralabials - 8 - 9, infralabials -11 - 12; the first supralabial is clearly. divided from large N; the rostral shield forms isosceles triangle with truncated top; SO - 2 (an terior very large, posterior very small); SubO - I, thin and very long; PrO - 3; PtO - 1; symphysial relatively large, triangular; anterior genial shields very large, posterior genial shields small. Nostril very large, trapeziform. The dorsal coloration of the body and the head of males and females identically are grayish-brown. Across body and tail pass 76 - 84 dark brown bands with rough edges, often broken into separate spots most intensive colored in the middle of dorsum. The belly is dark gray, almost black close-by tail; tip of tail without any elements of red coloration (from ORLOV et al. 2009).|
Chen et al. (2013) found specimens in Guangxi that are intermediary between Protobothrops maolanensis and P. trungkhanhensis.
Illustration: cover photo on Herpetological Review 43 (1) .
Distribution: see map in Guo et a. 2016: 383 (Fig. 1).
|Etymology||The species received the name derived from the name (in Vietnamese) of Trung Khanh Town and Trung Khanh Nature Reserve, Cao Bang province, N-E Vietnam.|
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