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. Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: ZISP 25351 (Fn 123); an adult male, collected in September 2008 by Tao Nguyen Thien, Nikolai L. Orlov, Sergei A. Ryabov.|
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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