Viperidae

Cerrophidion wilsoni Jadin, Townsend, Castoe & Campbell, 2012

Cerrophidion wilsoni, the Honduras montane pitviper, is a venomous snake of the genus Cerrophidion found in three Central American countries.

Calloselasma rhodostoma (Kuhl, 1824)

Calloselasma rhodostoma is a unique Asian pit viper found across parts of Southeast Asia, that preys on rats and is oviparous.

Bothrocophias hyoprora (Amaral, 1935)

The Amazonian toad-headed pitviper (Bothrocophias hyoprora) is a venomous viper endemic to north-western South America.

Bothrocophias microphthalmus (Cope, 1875)

Bothrocophias microphthalmus, the small-eyed toad-headed pit viper, occurs in northwestern and central South America.

Bothrocophias campbelli (Freire-Lascano, 1991)

Bothrocophias campbelli is a viviparous viper found in Pacific-slope forests from west-central Colombia to Ecuador.

Bothriechis schlegelii (Berthold, 1846)

Bothriechis schlegelii, the eyelash viper, is a small pitviper species with distinctive eyepatch scales, restricted to Colombian highlands after 2024 taxonomic revision.

Bothriechis lateralis Peters, 1862

Bothriechis lateralis is a slender, prehensile-tailed pitviper found in mountain forests of Costa Rica and western Panama.

Bothriechis aurifer (Salvin, 1860)

Bothriechis aurifer is a slender, prehensile-tailed pit viper found in cloud forests of southern Mexico and northern Guatemala.

Bothriechis bicolor (Bocourt, 1868)

Bothriechis bicolor is a moderately sized slender viper found in high elevation forests of southern Mexico, Guatemala, and Honduras.

Bothriechis nigroviridis Peters, 1859

Bothriechis nigroviridis is a rare slender arboreal pitviper found in mountain forests of Costa Rica and Panama.

Bothriechis supraciliaris (Taylor, 1954)

Bothriechis supraciliaris is a pitviper species found in southern Costa Rica and western Panama, with females larger than males.

Tropidolaemus wagleri (Boie, 1827)

Tropidolaemus wagleri, the Wagler's pit viper, is a sexually dimorphic arboreal venomous snake native to Southeast Asia.

Tropidolaemus subannulatus (Gray, 1842)

Tropidolaemus subannulatus, the Borneo Keeled Green Pit Viper, is a common arboreal ovoviviparous viper native to Borneo's lowland rainforests.

Trimeresurus vogeli David, Vidal & Pauwels, 2001

Trimeresurus vogeli is a large, sexually dimorphic viviparous pit viper found across parts of Southeast Asia in forests and savannas.

Trimeresurus hageni (Lidth De Jeude, 1886)

Trimeresurus hageni is an oviparous pit viper found in forests across parts of Southeast Asia.

Trimeresurus stejnegeri Schmidt, 1925

Trimeresurus stejnegeri, commonly called the bamboo viper, is a viviparous green viper species found across East and South Asia.

Trimeresurus sabahi Regenass & Kramer, 1981

Trimeresurus sabahi is a green pit viper found in Bornean mountain low vegetation, with unknown reproductive biology.

Trimeresurus cardamomensis (Malhotra, Thorpe, Mrinalini & Stuart, 2011)

Trimeresurus cardamomensis, the Cardamom Mountains green pit viper, is a venomous pit viper found in Thailand and Cambodia.

Trimeresurus gracilis Oshima, 1920

Trimeresurus gracilis is a small venomous pit viper endemic to high elevations of Taiwan, with a documented sister relationship to T. okinawensis.

Trimeresurus venustus Vogel, 1991

Trimeresurus venustus is an ovoviviparous arboreal pit viper native to southern Thailand and northern peninsular Malaysia.

Trimeresurus gumprechti David, Vogel, Pauwels & Vidal, 2002

Trimeresurus gumprechti is a bright green arboreal viviparous forest snake found across parts of mainland Southeast Asia and southern China.

Trimeresurus malcolmi Loveridge, 1938

Trimeresurus malcolmi is an oviparous forest pitviper species found in elevated forests of East Malaysia.

Trimeresurus purpureomaculatus (Gray, 1832)

Trimeresurus purpureomaculatus is a viper species native to parts of South and Southeast Asia with described scale patterns and size dimorphism.

Trimeresurus albolabris Gray, 1842

Trimeresurus albolabris Gray, 1842 is a pit viper with defined scalation, color patterns, and a known distribution across South and Southeast Asia.