Trimeresurus medoensis, commonly named the Motuo bamboo pitviper, is a venomous pitviper species endemic to India, Burma, and China. No subspecies are currently recognized.
Bothrops ammodytoides is a venomous pit viper species endemic to Argentina. No subspecies are currently recognized.
Bothriechis aurifer is a venomous pit viper species found in Mexico and Guatemala. No subspecies are currently recognized.
Bothrops taeniatus, the speckled forest-pitviper, is a species of pit viper found in the equatorial forests of South America endemic to Colombia, Ecuador, Peru, And Brazil. The specific name, taenia, is derived from the Greek word, tainia, meaning ribbon bandage or stripe, in reference to the slender body. Two subspecies are currently recognized, including the nominate subspecies described here.
Bothrops neuwiedi is a highly venomous pit viper species endemic to South America. This relatively small snake has a wide range and is a major source of snakebite in Argentina. It was named after German naturalist Prince Maximilian of Wied-Neuwied (1782-1867), who made important collections in Brazil (1815-1817). Seven subspecies are currently recognized, including the nominate subspecies described here.
Trimeresurus puniceus is a venomous pitviper species endemic to Southeast Asia. Common names include: flat-nosed pitviper, flat-nosed pit viper, and ashy pit viper. No subspecies are currently recognized.
Trimeresurus sumatranus is a venomous pitviper species found in Thailand, Malaysia and Indonesia. Arboreal, its coloration is pale green with a red tail. Common names include Sumatran pitviper, Sumatran tree viper, and Sumatran pit viper.
Bothrops bilineatus, also known as the two-striped forest-pitviper, parrotsnake, Amazonian palm viper, or green jararaca, is a highly venomous species of pit viper found in the Amazon region of South America. Two subspecies are currently recognized, including the nominate subspecies described here. A pale green arboreal species that may reach 1 m (3.3 ft) in length, it is an important cause of snakebite throughout the entire Amazon region.
Gloydius monticola is a venomous pitviper species endemic to southern China. A small and darkly colored snake with no visible color pattern, it is found high in the mountains of northern Yunnan province. No subspecies are currently recognized.
Gloydius strauchi is a species of venomous pit viper in the subfamily Crotalinae of the family Viperidae. The species is native to western China. It is a small snake with a pattern of four longitudinal stripes, although some older specimens may be a uniform black. G. strauchi may be distinguished from G. monticola by its higher midbody dorsal scale count. This species jointly holds the altitude record for pitvipers together with Crotalus triseriatus of Mexico, both being found even above the tree line at over 4,000 m (13,000 ft). No subspecies were recognized as being valid, until a recent publication re-evaluated the taxonomic statuses of populations of G. strauchi and described the eastern Tibetan populations as a new species.
Gloydius ussuriensis is a venomous pitviper species endemic to far east Russia, northeastern China and the Korean Peninsula. No subspecies are currently recognized.
Bothrops medusa is a venomous pitviper species endemic to Venezuela. No subspecies are currently recognized.
Bothrops pulcher is a venomous pitviper species found in South America. The specific name is Latin, meaning "beautiful", in reference to the color pattern. No subspecies are currently recognized.
Bothrops punctatus is a venomous pitviper species found in South America and Panama. No subspecies are currently recognized.
Bothrops bilineatus smaragdinus is a venomous pitviper subspecies found in the northern and western Amazon region of South America.
Bothrocophias andianus is a venomous pit viper species endemic to the Andes in South America. No subspecies are currently recognized.
Trimeresurus sabahi, commonly known as the Sabah bamboo pitviper, is a venomous pitviper species endemic to the island of Borneo.
Trimeresurus insularis is a venomous pit viper species found in eastern Java and the Lesser Sunda Islands. Common names include white-lipped island pitviper and Sunda Island pitviper.
Bothrops brazili is a venomous pitviper species endemic to South America. There are no subspecies that are recognized as being valid.
Bothrocophias campbelli, commonly known as Campbell's toadheaded viper or the Ecuadorian toadheaded pitviper, is a species of venomous pitviper in the family Viperidae. The species is endemic to South America. No subspecies are currently recognized.
