The smooth snake is a species of non-venomous snake in the family Colubridae. The species is found in northern and central Europe, but also as far east as northern Iran. The Reptile Database recognizes two subspecies as being valid, including the nominotypical subspecies described here.
Trimeresurus cantori, commonly known as Cantor's pit viper or Cantor's pitviper, is a species of venomous snake, a pit viper in the Subfamily Crotalinae of the family Viperidae. The species is endemic to the Nicobar Islands of India. It was named after Theodore Edward Cantor (1809-1860), a Danish naturalist serving as a surgeon with the East India Company in Calcutta. No subspecies are recognized as being valid.
Rhinophis travancoricus, commonly known as the Travancore shieldtail or Tamil Nadu earth snake, is a species of uropeltid snake endemic to India.
The purple-red earth snake is a species of nonvenomous shield tail snake, endemic to southern India. No subspecies are currently recognized.
Uropeltis melanogaster, or Gray's earth snake, is a species of small snake in the family Uropeltidae, endemic to Sri Lanka.
Vipera aspis zinnikeri is a venomous viper subspecies endemic to the Pyrenees region of Spain and France.
The Japanese keelback, sometimes called the ringed snake or water snake, is a species of colubrid snake, which is endemic to Asia. It was first described in 1826 by Heinrich Boie as Tropidonotus vibakari.
Bothrops ammodytoides is a venomous pit viper species endemic to Argentina. No subspecies are currently recognized.
The Seychelles wolf snake is a species of snake in the superfamily Colubroidea. It is monotypic within the genus Lycognathophis. The Neo-Latin name, Lycognathophis, is derived from the Greek words λύκος (lykos) meaning "wolf", γνάθος (gnathos) meaning "jaw", and όφις (ophis) meaning "snake", referring to the snake's dentition.
The Cameroon racer, Poecilopholis cameronensis, is a species of rear-fanged mildly venomous snake endemic to Africa. Poecilopholis is a monotypic genus created for this species.
Metlapilcoatlus nummifer, commonly known as Mexican jumping pitviper or jumping viper, is a venomous pit viper species endemic to Mexico.
Bothriechis aurifer is a venomous pit viper species found in Mexico and Guatemala. No subspecies are currently recognized.
Hypnale walli, or Wall's hump-nosed viper, is a venomous pitviper species endemic to Sri Lanka. The smallest member of its genus, it is distinguished by having a strongly upturned nose and lower scale counts. 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.
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 Ecuador, Mostly in the Chocó Department in Western Colombia and Panama. No subspecies are currently recognized.
Polemon gracilis, or the graceful snake-eater, is a species of mildly venomous rear-fanged snake in the family Atractaspididae. It is endemic to Africa.
Blanford's pipe snake or lined pipe snake, is a species of snake in the family Cylindrophiidae endemic to Indonesia.
Leptophis modestus, commonly known as the cloud forest parrot snake, is a species of medium-sized slender snake of the family Colubridae. It is endemic to Mesoamerica. There are currently no recognized subspecies.
The ridgehead snake is a species of snake in the family Colubridae. The species is endemic to southeastern Mexico.
