Protobothrops xiangchengensis | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Family: | Viperidae |
Genus: | Protobothrops |
Species: | P. xiangchengensis |
Binomial name | |
Protobothrops xiangchengensis (Zhao, Jiang & Huang, 1978) | |
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Synonyms | |
Protobothrops xiangchengensis, commonly known as the Szechwan pit viper, Kham Plateau pit viper, [1] [3] [5] or Sichuan lancehead, [1] is a pit viper species endemic to the Hengduan Mountains in south-central China. [1] [5] No subspecies are currently recognized. [5] [6]
Originally described as a member of the genus Trimeresurus , it was later reassigned to Protobothrops. [1] [4] [5]
Scalation includes 25 (23, 24) rows of dorsal scales at midbody, 175–194/181–194 ventral scales in males/females, 54–66/44–62 subcaudal scales and 7–8 (9 or 10) supralabial scales. [3]
Protobothrops xiangchengensis is endemic to the Hengduan Mountains in the provinces of Yunnan and western Sichuan, China. [1] According to David & Tong (1997), the type locality given is "Sichuan Province, Xiangcheng, altitude 3100 m [10,200 ft]". [2]