Viperidae
Lowland Hump-nosed Viper
Hypnale zara (Gray, 1849)
Hypnale zara is an ovoviviparous species with distinct scale patterns and coloration as described here.
Ussuri Mamushi
Gloydius ussuriensis (Emelianov, 1929)
Gloydius ussuriensis is a venomous pitviper found in far east Russia, northeastern China, the Korean Peninsula, and Quelpart Island.
Himalayan Pitviper
Gloydius himalayanus (Günther, 1864)
Gloydius himalayanus is a highland pit viper living along southern Himalayan slopes, the only pit viper found in Pakistan.
Halys Pit Viper
Gloydius halys (Pallas, 1776)
Gloydius halys is a moderately stout pit viper with a defined physical description and known geographic range across central and East Asia.
Short-tailed Mamushi
Gloydius blomhoffii (Boie, 1826)
Gloydius blomhoffii is one of Japan's most venomous pit vipers, found in a range of Japanese habitats.
Short-tailed Mamushi
Gloydius brevicauda (Stejneger, 1907)
Gloydius brevicauda is a short-tailed stout viper found in northeast China and the Korean Peninsula.
Central Asian Pitviper
Gloydius intermedius (Strauch, 1868)
This is a description of Gloydius intermedius, covering its physical traits, scalation, coloration and geographic range.
Metlapilcoatlus borealis Tepos-Ramírez, Flores-Villela, Velasco, Lara, García-Rubio & Jadin, 2021
Metlapilcoatlus borealis Tepos-Ramírez, Flores-Villela, Velasco, Lara, García-Rubio & Jadin, 2021
Metlapilcoatlus borealis is a medium-sized viper species first described in 2021, identifiable by specific scale features and unique genetic markers.
Central American Jumping Pit Viper
Metlapilcoatlus mexicanus (Duméril, Bibron & Duméril, 1854)
Metlapilcoatlus mexicanus is an extremely stout-bodied species ranging from southern Mexico to Panama.
Borneo Pit Viper
Craspedocephalus borneensis (Peters, 1872)
Craspedocephalus borneensis is a Bornean pit viper with variable coloration, found in low-elevation forests.
Common Bamboo Viper
Craspedocephalus gramineus (Shaw, 1802)
Craspedocephalus gramineus, the Bamboo Pit Viper, is a venomous arboreal ovoviviparous snake widespread in peninsular India.
Large-scaled Pit Viper
Craspedocephalus macrolepis Beddome, 1862
Craspedocephalus macrolepis is a large-scaled arboreal viper endemic to high elevation southern Western Ghats, India.
Malabarian Pit Viper
Craspedocephalus malabaricus (Jerdon, 1854)
Craspedocephalus malabaricus, the Malabar pit viper, is a venomous snake endemic to the Western Ghats of India.
Ashy Pit Viper
Craspedocephalus puniceus (Boie, 1827)
Craspedocephalus puniceus is a reptile species found across parts of Thailand, Malaysia, and Indonesia with distinct physical and scalation traits.
Sri Lankan Green Pit Viper
Craspedocephalus trigonocephalus (Donndorff, 1798)
Craspedocephalus trigonocephalus is an endemic Sri Lankan arboreal, viviparous, sexually dimorphic pit viper.
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