| Bothrocophias | |
|---|---|
 | |
| Bothrocophias hyoprora | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Subfamily: | Crotalinae |
| Genus: | Bothrocophias Gutberlet & Campbell, 2001 |
Bothrocophias is a genus of pit vipers in the subfamily Crotalinae of the family Viperidae, known by the common name toadheaded pit vipers. [1] The genus is endemic to South America. [2]
Bothrocophias is a relatively recently identified genus that consists of four [3] to nine [2] species, most of which were traditionally placed in Bothrops .
Recent evidence published by Campbell and Lamar (1989, 2004) suggests that Bothrocophias colombianus may lay eggs rather than give birth to live young. This would make it almost unique among New World pitvipers (but not Asian species). The only other American pitvipers known to lay eggs are the four species of bushmaster ( Lachesis ).
The following nine species are recognized as being valid. [2]
| Image | Species | Common name | Geographic range |
|---|---|---|---|
| Bothrocophias andianus (Amaral, 1923) | Bolivia and Peru | ||
 | Bothrocophias campbelli (Freire-Lascano, 1991) | Campbell's toadheaded viper the Ecuadorian toadheaded pitviper víbora boca de sapo | Ecuador |
| Bothrocophias colombianus (Rendahl & Vestergren, 1940) | Colombian toad-headed pitviper | Columbia | |
 | Bothrocophias hyoprora (Amaral, 1935) | Amazonian toad-headed pitviper | Ecuador, Colombia, Brazil, Peru, and Bolivia |
| Bothrocophias lojanus (Parker, 1930) | Lojan lancehead macanchi macaucho | Ecuador, Peru | |
 | Bothrocophias microphthalmus (Cope, 1876) | small-eyed toad-headed pit viper | Ecuador, Peru, Bolivia, Colombia and Brazil |
| Bothrocophias myersi | Myers toadheaded pitviper | Colombia | |
| Bothrocophias myrringae Angarita-Sierra, Cubides-Cubillos, & Hurtado-Gómez, 2022 | High-Andean Toad-Headed Pitviper | Colombia | |
| Bothrocophias tulitoi Angarita-Sierra, Cubides-Cubillos, & Hurtado-Gómez, 2022 | Colombia |
Nota bene : A binomial authority in parentheses indicates that the species was originally described in a genus other than Bothrocophias.
Lachesis is a genus of pit vipers in the family Viperidae. Member species are found in forested areas of the Neotropics. The generic name refers to one of the Three Fates, Lachesis, who determined the length of the thread of life. Four species are currently recognized as being valid.
The Crotalinae, commonly known as pit vipers, or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous. They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head. Currently, 23 genera and 155 species are recognized: These are also the only viperids found in the Americas. The groups of snakes represented here include rattlesnakes, lanceheads, and Asian pit vipers. The type genus for this subfamily is Crotalus, of which the type species is the timber rattlesnake, C. horridus.
Gloydius is a genus of venomous pitvipers endemic to Asia, also known as Asian moccasins or Asian ground pit vipers. Named after American herpetologist Howard K. Gloyd, this genus is very similar to the North American genus Agkistrodon. 24 species are currently recognized.
Trimeresurus is a genus of pit vipers found in Asia from the Indian Subcontinent throughout Southeast Asia, China, and the Pacific Islands. Currently 44 species are recognized. Common names include Asian palm pit vipers, Asian lanceheads, and green pit vipers.
Ovophis monticola, commonly known as the Chinese mountain pit viper, is a venomous pitviper species found in Asia. Currently, two subspecies are recognized, including the nominate subspecies described here. Recent taxonomic work suggests that most of these should be considered as separate species. IUCN has already evaluated O. m. makazayazaya as Ovophis makazayazaya.
Trimeresurus albolabris, the white-lipped pit viper or white-lipped tree viper, is a venomous pit viper species endemic to Southeast Asia.
Bothriechis is a genus of pit vipers, commonly called palm vipers or palm-pitvipers found predominantly in Mexico and Central America, although the most common species, B. schlegelii, ranges as far south as Colombia and Peru. All members are relatively slender and arboreal. The name Bothriechis is derived from the Greek words bothros and echis that mean "pit" and "viper" respectively. Ten species and no subspecies are currently generally recognized.
Tropidolaemus is a genus of venomous pit vipers in the subfamily Crotalinae of the family Viperidae. Member species are native to southern India and Southeast Asia. Five species are recognised as being valid, and none of these species has subspecies.
Protobothrops mangshanensis, commonly known as the Mangshan pit viper, Mangshan pitviper, Mt. Mang pitviper, or Mang Mountain pitviper, is a venomous pit viper species endemic to Hunan and Guangdong provinces in China. No subspecies are currently recognized. This is a nocturnal pit viper that is also known as the ''Mangshan iron-head snake'', ''Chinese pit viper'', and the ''Ironhead viper''. They eat frogs, birds, insects, and small mammals. They have a white tail tip that they wiggle to mimic a grub so that prey comes into striking range—a behaviour known as caudal luring. The venom causes blood clotting and corrodes muscle tissue and can be fatal to humans if not treated. Unusually for vipers, P. mangshanensis is oviparous with the female laying clutches of 13–21 eggs which she will guard until they hatch.
Atropoides picadoi, also known as Picado's jumping pitviper, is a species of venomous snake, a pitviper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Costa Rica. There are no subspecies that are recognised as being valid. It is monotypic in the genus Atropoides.
Bothriechis rowleyi is a species of pit viper, a venomous snake, in the subfamily Crotalinae of the family Viperidae. The species is endemic to Mexico. There are no subspecies that are recognized as being valid.
Bothriechis marchi, also known as Honduran palm pit viper and March's palm pit viper, is a species of pit viper, a venomous snake, in the subfamily Crotalinae of the family Viperidae. The species is endemic to Central America. There are no subspecies that are recognized as being valid.
Porthidium lansbergii is a species of venomous snake, a pitviper in the family Viperidae. The species is endemic to Central and South America. Four subspecies are recognized, including the nominate subspecies described here.
Craspedocephalus brongersmai, also known commonly as Brongersma's pit viper, is a species of venomous snake in the subfamily Crotalinae of the family Viperidae. The species is native to islands off the west coast of Sumatra, Indonesia. No subspecies are currently recognized.
Protobothrops kaulbacki, commonly known as Kaulback's lance-headed pitviper or Kaulback's lance-headed pit viper, is a venomous pit viper species endemic to Asia. There are no subspecies that are recognized as being valid.
Trimeresurus gracilis, commonly known as the Taiwan pit viper or Taiwan mountain pitviper, is a venomous pit viper species endemic to Taiwan. No subspecies are currently recognized. The species is known as kikushi habu in Japanese.
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.
Bothrocophias campbelli, commonly known as Campbell's toadheaded viper, the Ecuadorian toadheaded pitviper, and víbora boca de sapo in Spanish, is a species of venomous pitviper in the family Viperidae. The species is endemic to South America. No subspecies are currently recognized.
Bothrops jonathani, known commonly as Jonathan's lancehead or the Cochabamba lancehead, is a species of venomous snake, a pit viper in the family Viperidae. The species is endemic to South America.
Bothrocophias lojanus, also known commonly as the Lojan lancehead in English, and macanchi or macaucho in Spanish, is a species of venomous pit viper in the subfamily Crotalinae of the family Viperidae. The species is native to northwestern South America.
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