List of crotaline species and subspecies
Encyclopedia
This is a list of all genera
, species
and subspecies
of the subfamily
Crotalinae
, otherwise referred to as crotalines, pit vipers or pitvipers. It follows the taxonomy
currently provided by ITIS
, which is based on the continuing work of Dr. Roy McDiarmid.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
, species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
and subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of the subfamily
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Crotalinae
Crotalinae
The Crotalinae, commonly known as "pit vipers" or crotaline snakes, are a subfamily of venomous vipers found in Asia and the Americas. They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on either side of the head...
, otherwise referred to as crotalines, pit vipers or pitvipers. It follows the taxonomy
Alpha taxonomy
Alpha taxonomy is the discipline concerned with finding, describing and naming species of living or fossil organisms. This field is supported by institutions holding collections of these organisms, with relevant data, carefully curated: such institutes include natural history museums, herbaria and...
currently provided by ITIS
Integrated Taxonomic Information System
The Integrated Taxonomic Information System is a partnership designed to provide consistent and reliable information on the taxonomy of biological species. ITIS was originally formed in 1996 as an interagency group within the U.S...
, which is based on the continuing work of Dr. Roy McDiarmid.
- AgkistrodonAgkistrodonAgkistrodon is a genus of venomous pit vipers found in North America from the United States south to northern Costa Rica. The name is derived from the Greek words ἄγκιστρον 'fishhook' and ὁδοὐς 'tooth', and is likely a reference to the fangs...
, Moccasins- Agkistrodon bilineatusAgkistrodon bilineatusAgkistrodon bilineatus is a venomous pitviper species found in Mexico and Central America as far south as Costa Rica. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Cantil- Agkistrodon bilineatus bilineatusAgkistrodon bilineatusAgkistrodon bilineatus is a venomous pitviper species found in Mexico and Central America as far south as Costa Rica. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Cantil - Agkistrodon bilineatus howardgloydiAgkistrodon bilineatus howardgloydiAgkistrodon bilineatus howardgloydi is a venomous pitviper subspecies found in Honduras, Nicaragua and Costa Rica.-Description:Of the ten specimens available to Gloyd and Conant from Nicaragua and Costa Rica, the largest male was 96 cm and the largest female 82 cm in length. Acceding to...
, Castellana - Agkistrodon bilineatus russeolusAgkistrodon bilineatus russeolusAgkistrodon bilineatus russeolus is a venomous pitviper subspecies found in the Yucatán Peninsula in Mexico and northern Belize.-Description:...
, Yucatecan cantil - Agkistrodon bilineatus taylori, Taylor's cantil
- Agkistrodon bilineatus bilineatus
- Agkistrodon contortrixAgkistrodon contortrixAgkistrodon contortrix is a species of venomous snake found in North America, a member of the Crotalinae subfamily. The more common name for the species is "copperhead". The behavior of Agkistrodon contortrix may lead to accidental encounters with humans...
, Copperhead- Agkistrodon contortrix contortrixAgkistrodon contortrixAgkistrodon contortrix is a species of venomous snake found in North America, a member of the Crotalinae subfamily. The more common name for the species is "copperhead". The behavior of Agkistrodon contortrix may lead to accidental encounters with humans...
, Southern copperhead - Agkistrodon contortrix laticinctusAgkistrodon contortrix laticinctusAgkistrodon contortrix laticinctus is a venomous pitviper subspecies found in the southern United States, from Kansas, through Oklahoma and throughout central Texas.-Description:...
, Broad-banded copperhead - Agkistrodon contortrix mokasenAgkistrodon contortrix mokasenAgkistrodon contortrix mokasen is a venomous pitviper subspecies found in the eastern United States.-Description:The Northern copperhead grows to an average length of 61-91 cm , with a maximum of 134.6 cm ....
, Northern copperhead - Agkistrodon contortrix phaeogasterAgkistrodon contortrix phaeogasterAgkistrodon contortrix phaeogaster is a venomous pitviper subspecies found in the central region of the United States.-Description:Gloyd and Conant gives maximum total lengths of 990/723 mm for males/females, while mentioning that other sources give a maximum total length for this subspecies of...
, Osage copperhead - Agkistrodon contortrix pictigasterAgkistrodon contortrix pictigasterAgkistrodon contortrix pictigaster is a venomous pitviper subspecies found in the Trans-Pecos region of the United States, in western Texas, and northeastern Mexico.-Description:...
, Trans-pecos copperhead
- Agkistrodon contortrix contortrix
- Agkistrodon piscivorusAgkistrodon piscivorusAgkistrodon piscivorus is a venomous snake, a species of pit viper, found in the southeastern United States. Adults are large and capable of delivering a painful and potentially fatal bite. When antagonized they will stand their ground by coiling their bodies and displaying their fangs...
, Cottonmouth- Agkistrodon piscivorus conanti, Florida cottonmouth
- Agkistrodon piscivorus leucostomaAgkistrodon piscivorus leucostomaAgkistrodon piscivorus leucostoma is a venomous pitviper subspecies found in the south central United States. It is the smallest of the three subspecies and tends to be darker in color.-Description:...
, Western cottonmouth - Agkistrodon piscivorus piscivorusAgkistrodon piscivorusAgkistrodon piscivorus is a venomous snake, a species of pit viper, found in the southeastern United States. Adults are large and capable of delivering a painful and potentially fatal bite. When antagonized they will stand their ground by coiling their bodies and displaying their fangs...
, Eastern cottonmouth
- Agkistrodon bilineatus
- AtropoidesAtropoidesAtropoides is a genus of venomous pitvipers found in Mexico and Central America. Three species are currently recognized. The common names suggest they are able to leap at an attacker, but this is likely exaggerated.-Description:...
, Jumping vipers- Atropoides nummiferAtropoides nummiferAtropoides nummifer is a venomous pitviper species found in Mexico and Central America. Currently, 3 subspecies are recognized, including the nominate subspecies described here.-Description:...
, Mexican jumping pitviper- Atropoides nummifer mexicanusAtropoides nummifer mexicanusAtropoides nummifer mexicanus is a venomous pitviper subspecies found in Mexico and Central America as far south as Panama.-Description: Adults grow to an average of 50–70 cm in length. The maximum length is 86.7 cm for males and 97.9 cm for females...
, Central American jumping pitviper - Atropoides nummifer nummiferAtropoides nummiferAtropoides nummifer is a venomous pitviper species found in Mexico and Central America. Currently, 3 subspecies are recognized, including the nominate subspecies described here.-Description:...
, Mexican jumping pitviper - Atropoides nummifer occiduusAtropoides nummifer occiduusAtropoides nummifer occiduus is a venomous pitviper subspecies found in southern Mexico, Guatemala and El Salvador.-Description:Adults are usually 35–60 cm in length. The largest specimens reported are a male of 74.8 cm from Baja Verapaz and a female of 79.5 cm from Volcán de Agua,...
, Guatemalan jumping pitviper
- Atropoides nummifer mexicanus
- Atropoides olmecAtropoides olmecAtropoides olmec is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Description:Extremely stout, females are known to reach a maximum of 77.0 cm in length, males 61.8 cm.-Geographic range:...
, Tuxtlan jumping pitviper - Atropoides picadoiAtropoides picadoiAtropoides picadoi is a venomous pitviper species found in Central America. No subspecies are currently recognized.-Description:Adults commonly reach 75-95 cm in length with a maximum of 120.2 cm. Extremely stout, though not quite so much as A. n. mexicanus.-Geographic range:Found in the mountains...
, Picado's jumping pitviper
- Atropoides nummifer
- BothriechisBothriechisBothriechis is a genus of venomous pitvipers found predominantly in Mexico and Central America, although one 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...
, Palm vipers- Bothriechis auriferBothriechis auriferBothriechis aurifer is a venomous pitviper species found in Mexico and Guatemala. No subspecies are currently recognized.-Description: Adults generally grow to less than 70 cm in length, but sometimes to over 1 m...
, Yellow-blotched palm-pitviper - Bothriechis bicolorBothriechis bicolorBothriechis bicolor is a venomous pitviper species found in southern Mexico and Guatemala. The specific name refers to the contrasting ventral and dorsal colors. No subspecies are currently recognized.-Description:...
, Guatemalan palm-pitviper - Bothriechis lateralis, Side-striped palm-pitviper
- Bothriechis marchiBothriechis marchiBothriechis marchi is a venomous pitviper species found in Central America. No subspecies are currently recognized.-Description:Adults often grow to more than 80 cm in length. The largest specimen on record was 96.8 cm. Green and relatively slender with a prehensile tail.-Geographic range:Found on...
, Honduran palm-pitviper - Bothriechis nigroviridisBothriechis nigroviridisBothriechis nigroviridis is a venomous pitviper species found in the mountains of Costa Rica and Panama. No subspecies are currently recognized...
, Black-speckled palm-pitviper - Bothriechis rowleyiBothriechis rowleyiBothriechis rowleyi is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Geographic range:Found in Mexico in southeastern Oaxaca and northern Chiapas. Occurs in cloud forests at 1500-1830 m altitude...
, Mexican palm-pitviper - Bothriechis schlegeliiBothriechis schlegeliiThe Eyelash Viper is a venomous pitviper species found in Central and South America. Small and arboreal, these snakes are characterized by their wide array of color variations, as well as the superciliary scales over the eyes. Often present in zoological exhibits. Named after the German...
, Eyelash palm-pitviper - Bothriechis thalassinusBothriechis thalassinusThe Merendon palm-pitviper is a venomous pitviper species found in Guatemala and Honduras.- Description :...
, Merendon palm-pitviper
- Bothriechis aurifer
- BothriopsisBothriopsisBothriopsis is a genus of venomous pitvipers found in eastern Panama and most of northern South America. The name is derived from the Greek words bothros for "pit", and -opsis for "face" or "appearance"; obviously an allusion to the heat-sensitive loreal pit organs...
, Forest-pitvipers- Bothriopsis bilineataBothriopsis bilineataBothriopsis bilineata is a venomous pitviper species found in the Amazon region of South America. A pale green arboreal species that may reach a meter in length, it is an important cause of snakebite throughout the entire Amazon region...
, Two-striped forest-pitviper- Bothriopsis bilineata bilineataBothriopsis bilineataBothriopsis bilineata is a venomous pitviper species found in the Amazon region of South America. A pale green arboreal species that may reach a meter in length, it is an important cause of snakebite throughout the entire Amazon region...
- Bothriopsis bilineata smaragdinusBothriopsis bilineata smaragdinusBothriopsis bilineata smaragdinus is a venomous pitviper subspecies found in the northern and western Amazon region of South America.-Description:Same as for B. b...
- Bothriopsis bilineata bilineata
- Bothriopsis medusaBothriopsis medusaBothriopsis medusa is a venomous pitviper species found in Venezuela. No subspecies are currently recognized.-Description:Adults usually grow to 50-70 cm in length. The maximum reported length is 80 cm or slightly longer...
, Venezuelan forest-pitviper - Bothriopsis oligolepisBothriopsis oligolepisBothriopsis oligolepis is a venomous pitviper species found in Peru and Bolivia. The specific name is derived from the Greek words oligo and lepis, meaning "few scales"; probably an allusion to the lower numbers of dorsal and ventral scales that it has compared to B. bilineata...
, Peruvian forest-pitviper - Bothriopsis peruvianaBothriopsis peruvianaBothriopsis peruviana is a venomous pitviper species found in Peru. No subspecies are currently recognized.-Geographic range:Found in southeastern Peru. The type locality given is "La Oroya, Carabaya, southeastern Peru."-Taxonomy:...
- Bothriopsis pulchraBothriopsis pulchraBothriopsis pulchra is a venomous pitviper species found in South America. The specific name is Latin, meaning "beautiful", in reference to the color pattern...
, Andean forest-pitviper - Bothriopsis punctataBothriopsis punctataBothriopsis punctata is a venomous pitviper species found in South America. No subspecies are currently recognized.-Description:Adults commonly grow to more than 100 cm in length and may exceed 150 cm. The shape of the body and long tail suggest that it is semiarboreal...
, Chocoan lancehead - Bothriopsis taeniataBothriopsis taeniataBothriopsis taeniata is a pit viper found in the equatorial forests of South America. The specific name is derived from the Greek word taenia in reference to the slender body. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:Adults are usually...
, Speckled forest-pitviper- Bothriopsis taeniata lichenosaBothriopsis taeniata lichenosaBothriopsis taeniata lichenosa is a venomous pitviper subspecies known only from one locality in Bolívar State, Venezuela.-Description:Same as for B. t. taeniata, except that it has fewer ventral scales and subcaudal scales.-Geographic range:...
- Bothriopsis taeniata taeniataBothriopsis taeniataBothriopsis taeniata is a pit viper found in the equatorial forests of South America. The specific name is derived from the Greek word taenia in reference to the slender body. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:Adults are usually...
- Bothriopsis taeniata lichenosa
- Bothriopsis bilineata
- BothropsBothropsBothrops is a genus of venomous pitvipers found in Central and South America. The generic name is derived from the Greek words bothros and ops that mean "pit" and "eye" or "face"; an allusion to the heat-sensitive loreal pit organs. Members of this genus are responsible for more human deaths in the...
, Lanceheads- Bothrops alternatusBothrops alternatusBothrops alternatus is a venomous pitviper species found in Brazil, Paraguay, Uruguay and Argentina. Within its range, it is an important cause of snakebite. The specific name, which is Latin for "alternating", is apparently a reference to the staggered markings along the body...
, Urutu - Bothrops ammodytoidesBothrops ammodytoidesBothrops ammodytoides is a venomous pitviper species endemic to Argentina. No subspecies are currently recognized.-Description:This species has a stocky build and grows to an average length of 45–75 cm, but is capable reaching almost 1 m in total...
, Patagonian lancehead - Bothrops andianusBothrops andianusBothrops andianus is a venomous pitviper species found in the Andes in South America. No subspecies are currently recognized.-Description:A terrestrial species, adults usually grow to 60-70 cm in length with a maximum of 125.8 cm....
, Andean lancehead - Bothrops asperBothrops asperBothrops asper is a venomous pit viper species ranging from southern Mexico to northern South America. Sometimes referred to as the "ultimate pit viper," these snakes are found in a wide range of lowland habitats, often near human habitations. This species is the main cause of snakebite incidents...
, Terciopelo - Bothrops atroxBothrops atroxBothrops atrox is a venomous pitviper species found in the tropical lowlands of northern South America east of the Andes. No subspecies are currently recognized.-Description:...
, Common lancehead - Bothrops barnettiBothrops barnettiBothrops barnetti is a venomous pitviper species endemic to Peru. No subspecies are currently recognized.Bothrops barnetti is patterned in white and black triangles. It usually grows until 120 cm, whereas the females are quite smaller and thinner...
, Barnett's lancehead - Bothrops braziliBothrops braziliBothrops brazili is a venomous pitviper species found in South America. The species was named in honor of Dr. Vital Brazil, a Brazilian physician and founder of the Instituto Butantan in São Paulo. No subspecies are currently recognized.-Description:...
, Brazil's lancehead - Bothrops campbelliBothrops campbelliBothrops campbelli is a venomous pitviper species found in South America. It was named in honor of Jonathan A. Campbell. No subspecies are currently recognized.-Description:...
, Ecuadorian toadheaded pitviper - Bothrops caribbaeus, Saint Lucia lancehead
- Bothrops colombianusBothrops colombianusBothrops colombianus, or the Colombian toadheaded pitviper, is a species of snake in the Viperidae family. It is endemic to Colombia....
, Colombian toadheaded pitviper - Bothrops cotiaraBothrops cotiaraBothrops cotiara is a species of snake in the Viperidae family. It is endemic to Brazil and Argentina....
, Cotiara - Bothrops erythromelasBothrops erythromelasBothrops erythromelas, or the Caatinga lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil....
, Caatinga lancehead - Bothrops fonsecaiBothrops fonsecaiBothrops fonsecai, or the Fonseca's lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil....
, Fonseca's lancehead - Bothrops hyoprorusBothrops hyoprorusBothrops hyoprorus, or the Amazonian toadheaded pitviper, is a species of snake in the Viperidae family. It is endemic to northwestern South America....
, Amazonian toadheaded pitviper - Bothrops iglesiasiBothrops iglesiasiBothrops iglesiasi, or the Cerrado lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil....
, Cerrado lancehead - Bothrops insularisBothrops insularisBothrops insularis, known as the "golden lancehead" is a venomous pitviper species found only on Ilha da Queimada Grande, off the coast of São Paulo state, in Brazil...
, Golden lancehead - Bothrops itapetiningaeBothrops itapetiningaeBothrops itapetiningae, or the São Paulo lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil....
, São Paulo lancehead - Bothrops jararacaBothrops jararacaBothrops jararaca is a venomous pit viper species found in southern Brazil, Paraguay and northern Argentina. The species name is derived from the Tupi words yarará and ca, which means "large snake." Within its range it is often abundant and is an important cause of snakebite...
, Jararaca - Bothrops jararacussuBothrops jararacussuThe jararacussu is a snake in the Bothrops genus, found in Eastern Brazil , Paraguay, southeastern Bolivia and northeastern Argentina . Like all Bothrops species, the jararacussu has rather potent venom, and fatalities are known....
, Jararacussu - Bothrops jonathaniBothrops jonathaniBothrops jonathani, or the Cochabamba lancehead, is a species of snake in the Viperidae family. It is endemic to Bolivia....
, Cochabamba lancehead - Bothrops lanceolatusBothrops lanceolatusBothrops lanceolatus is a venomous pitviper species generally considered endemic to the island of Martinique. No one has satisfactorily explained why it has flourished there and is unknown on nearly all other Caribbean islands. Some reserve the name fer-de-lance for this species, while others apply...
, Martinique lancehead - Bothrops leucurusBothrops leucurusBothrops leucurus is a venomous pitviper species endemic to Brazil. No subspecies are currently recognized.-Geographic range:Found in eastern Brazil along the Atlantic coast from northern Espirito Santo north to Alagoas and Ceara. Occurs more inland in several parts of Bahia. The identity of...
, Bahia lancehead - Bothrops lojanusBothrops lojanusBothrops lojanus, or the Lojan lancehead, is a species of snake in the Viperidae family. It is endemic to Ecuador....
, Lojan lancehead - Bothrops marajoensisBothrops marajoensisBothrops marajoensis, or the Marajó lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil....
, Marajó lancehead - Bothrops microphthalmusBothrops microphthalmusBothrops microphthalmus, or the Small-eyed toadheaded pitviper, is a species of snake in the Viperidae family. It is endemic to Colombia, Ecuador, Peru, and Bolivia....
, Small-eyed toadheaded pitviper - Bothrops moojeniBothrops moojeniBothrops moojeni, or the Brazilian lancehead, is a species of snake in the Viperidae family. It is endemic to Brazil, Paraguay, and Argentina....
, Brazilian lancehead - Bothrops neuwiediBothrops neuwiediBothrops neuwiedi is a venomous pitviper species found in 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 who made important collections in Brazil...
, Neuwied's lancehead- Bothrops neuwiedi bolivianus
- Bothrops neuwiedi diporus, Chaco lancehead
- Bothrops neuwiedi goyazensis
- Bothrops neuwiedi lutzi, Cerrado lancehead
- Bothrops neuwiedi mattogrossensis, Mato Grosso lancehead
- Bothrops neuwiedi meridionalis
- Bothrops neuwiedi neuwiediBothrops neuwiediBothrops neuwiedi is a venomous pitviper species found in 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 who made important collections in Brazil...
, Neuwied's lancehead - Bothrops neuwiedi paramanensis
- Bothrops neuwiedi pauloensis, Black-faced lancehead
- Bothrops neuwiedi piauhyensis
- Bothrops neuwiedi pubescens, Pampas lancehead
- Bothrops neuwiedi urutu
- Bothrops pictusBothrops pictusBothrops pictus, or the Desert lancehead, is a species of snake in the Viperidae family. It is endemic to Peru....
, Desert lancehead - Bothrops pirajaiBothrops pirajaiBothrops pirajai is a venomous pitviper species found in Brazil. No subspecies are currently recognized.-Description:The maximum length recorded for this species is 137 cm. It is stocky and terrestrial.-Geographic range:...
, Piraja's lancehead - Bothrops pradoiBothrops pradoiBothrops pradoi is a species of snake in the Viperidae family. It is endemic to Brazil....
- Bothrops sanctaecrucisBothrops sanctaecrucisBothrops sanctaecrucis, or the Bolivian lancehead, is a species of snake in the Viperidae family. It is endemic to Bolivia....
, Bolivian lancehead - Bothrops venezuelensisBothrops venezuelensisBothrops venezuelensis, or the Venezuelan lancehead, is a species of snake in the Viperidae family. It is endemic to Venezuela....
, Venezuelan lancehead
- Bothrops alternatus
- CalloselasmaCalloselasmaCalloselasma is a monotypic genus created for a venomous pitviper species, C. rhodostoma, which is found in Southeast Asia from Thailand to northern Malaysia and on the island of Java. No subspecies are currently recognized.-Description:...
, Malayan pit viper- Calloselasma rhodostomaCalloselasmaCalloselasma is a monotypic genus created for a venomous pitviper species, C. rhodostoma, which is found in Southeast Asia from Thailand to northern Malaysia and on the island of Java. No subspecies are currently recognized.-Description:...
, Malayan pit viper
- Calloselasma rhodostoma
- CerrophidionCerrophidionCerrophidion is a genus of venomous pitvipers that are found in southern Mexico, southward through the highlands of Central America to western Panama...
, Montane pit vipers- Cerrophidion barbouriCerrophidion barbouriCerrophidion barbouri is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Description:Adults generally grow to 30-40 cm in length, with a maximum of 51.0 cm...
, Barbour's montane pitviper - Cerrophidion godmaniCerrophidion godmaniCerrophidion godmani is a venomous pitviper species found in Mexico and Central America. No subspecies are currently recognized.-Description:Adults are usually less than 55 cm in length, but sometimes grow to more than 75 cm...
, Godman's montane pitviper - Cerrophidion tzotzilorumCerrophidion tzotzilorumCerrophidion tzotzilorum is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Geographic range:Found in the Meseta Central of Chiapas, Mexico...
, Tzotzil montane pitviper
- Cerrophidion barbouri
- CrotalusCrotalusCrotalus is a genus of venomous pit vipers found only in the Americas from southern Canada to northern Argentina. The name is derived from the Greek word krotalon, which means "rattle" or "castanet", and refers to the rattle on the end of the tail which makes this group so distinctive...
, Rattlesnakes- Crotalus adamanteusCrotalus adamanteusCrotalus adamanteus is a venomous pit viper species found in the southeastern United States. It is the heaviest venomous snake in the Americas and the largest rattlesnake. It featured prominently in the American Revolution, specifically as the symbol of what many consider to be the first flag of...
, Eastern diamondback rattlesnake - Crotalus aquilusCrotalus aquilusCrotalus aquilus is a venomous pitviper species found in the highlands of central Mexico. No subspecies are currently recognized. The specific name, aquilus, is Latin for "eagle" and refers to the high altitude at which this species is found....
, Queretaran dusky rattlesnake - Crotalus atroxCrotalus atroxCrotalus atrox, the "western diamondback rattlesnake", is a venomous rattlesnake species found in the United States and Mexico. It is likely responsible for the majority of snakebite fatalities in northern Mexico and the second greatest number in the USA after C. adamanteus. No subspecies are...
, Western diamondback rattlesnake - Crotalus basiliscusCrotalus basiliscusCrotalus basiliscus is a venomous pitviper species found in western Mexico. The specific name is derived from the Greek word for king, basiliskos, and is an allusion to this snake's large size and potent venom. No subspecies are currently recognized....
, Mexican west coast rattlesnake - Crotalus catalinensisCrotalus catalinensisCrotalus catalinensis is a venomous pitviper endemic to Isla Santa Catalina located in the Gulf of California just off the eastern coast of the state of Baja California Sur, Mexico. No subspecies are currently recognized...
, Catalina Island rattlesnake - Crotalus cerastesCrotalus cerastesCrotalus cerastes is a venomous pitviper species found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Sidewinder- Crotalus cerastes cerastesCrotalus cerastesCrotalus cerastes is a venomous pitviper species found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mojave desert sidewinder - Crotalus cerastes cercobombusCrotalus cerastes cercobombusCrotalus cerastes cercobombus is a venomous pitviper subspecies found in an area that covers much of the eastern part of the Sonoran Desert in the southwestern United States and northwestern Mexico...
, Sonoran sidewinder - Crotalus cerastes laterorepensCrotalus cerastes laterorepensCrotalus cerastes laterorepens is a venomous pitviper subspecies found in an area that centers around the Colorado Desert in the southwestern United States and northwestern Mexico.-Description:...
, Colorado desert sidewinder
- Crotalus cerastes cerastes
- Crotalus durissusCrotalus durissusCrotalus durissus is a venomous pitviper species found in South America. The most widely distributed member of its genus, this species poses a serious medical problem in many parts of its range...
, South American rattlesnake- Crotalus durissus cumanensis, Venezuelan rattlesnake
- Crotalus durissus durissusCrotalus durissusCrotalus durissus is a venomous pitviper species found in South America. The most widely distributed member of its genus, this species poses a serious medical problem in many parts of its range...
, Cascabel rattlesnake - Crotalus durissus marajoensis, Marajoan rattlesnake
- Crotalus durissus maricelae
- Crotalus durissus ruruima, Mt. Roraima rattlesnake
- Crotalus durissus terrificus, South American rattlesnake
- Crotalus durissus trigonicus, Rupunini rattlesnake
- Crotalus durissus unicolorCrotalus durissus unicolorCrotalus durissus unicolor is a venomous pitviper subspecies found only on the Caribbean island of Aruba, off the coast of Venezuela. Critically endangered, it is estimated that fewer than 230 adults survive in the wild. Sometimes still treated as a full species.-Description:Moderately sized, this...
, Aruba Island rattlesnake - Crotalus durissus vegrandisCrotalus durissus vegrandisCrotalus durissus vegrandis is a venomous pitviper subspecies found only in Venezuela in South America.-Description:Klauber gives two maximum lengths for this dwarfed form of C...
, Uracoan rattlesnake
- Crotalus enyoCrotalus enyoCrotalus enyo is a venomous pitviper species native to the coast and islands of northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Baja rattlesnake- Crotalus enyo cerralvensis, Cerralvo Island rattlesnake
- Crotalus enyo enyoCrotalus enyoCrotalus enyo is a venomous pitviper species native to the coast and islands of northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Lower California rattlesnake - Crotalus enyo furvus, Rosario rattlesnake
- Crotalus horridusCrotalus horridusCrotalus horridus, the timber rattlesnake, is a species of venomous pitviper found in the eastern United States. This is the only rattlesnake species in most of the populous northeastern United States. No subspecies are currently recognized....
, Timber rattlesnake - Crotalus intermediusCrotalus intermediusCrotalus intermedius is a venomous pitviper species found in central and southern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mexican small-headed rattlesnake- Crotalus intermedius gloydiCrotalus intermedius gloydiCrotalus intermedius gloydi is a venomous pitviper subspecies found in Mexico in the states of Oaxaca and Puebla.-Description:This subspecies can be identified by its scalation. It is characterized by having postnasal scale that is in broad contact with the first supralabial scale...
, Oaxacan small-headed rattlesnake - Crotalus intermedius intermediusCrotalus intermediusCrotalus intermedius is a venomous pitviper species found in central and southern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Totalcan small-headed rattlesnake - Crotalus intermedius omiltemanusCrotalus intermedius omiltemanusCrotalus intermedius omiltemanus is a venomous pitviper subspecies found in Mexico in the state of Guerrero.-Description:This subspecies can be distinguished from the typical form Crotalus intermedius omiltemanus is a venomous pitviper subspecies found in Mexico in the state of...
, Omilteman small-headed rattlesnake
- Crotalus intermedius gloydi
- Crotalus lannomiCrotalus lannomiCrotalus lannomi is a venomous pitviper species found in Mexico in Jalisco. Known from only a single specimen. No subspecies are currently recognized.-Description:...
, Autlan rattlesnake - Crotalus lepidusCrotalus lepidusCrotalus lepidus is a venomous pitviper species found in the southwestern United States and northern central Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Rock rattlesnake- Crotalus lepidus klauberiCrotalus lepidus klauberiCrotalus lepidus klauberi is a venomous pitviper subspecies found in the southern United States, in Arizona, New Mexico and Texas, and northern Mexico, including the states of Baja California, Sonora, Chihuahua, Coahuila, Nuevo Leon, Tamaulipas, Durango, Zacatecas, San luis Potosi and Jalisco...
, Banded rock rattlesnake - Crotalus lepidus lepidusCrotalus lepidusCrotalus lepidus is a venomous pitviper species found in the southwestern United States and northern central Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mottled rock rattlesnake - Crotalus lepidus maculosus, Durango rock rattlesnake
- Crotalus lepidus morulus, Tamaulipan rock rattlesnake
- Crotalus lepidus klauberi
- Crotalus mitchelliiCrotalus mitchelliiCrotalus mitchellii is a venomous pitviper species found in the Southwestern United States, and in northern Mexico. It was named in honor of Silas Weir Mitchell , a medical doctor who also studied rattlesnake venoms...
, Speckled rattlesnake- Crotalus mitchellii angelensisCrotalus mitchellii angelensisCrotalus mitchellii angelensis is a venomous pitviper subspecies endemic to Angel de la Guarda Island in the Gulf of California, Mexico.-Geographic range:Found only on Angel de la Guarda Island in the Gulf of California, Mexico...
, Angel de la Guarda Island speckled rattlesnake - Crotalus mitchellii mitchelliiCrotalus mitchelliiCrotalus mitchellii is a venomous pitviper species found in the Southwestern United States, and in northern Mexico. It was named in honor of Silas Weir Mitchell , a medical doctor who also studied rattlesnake venoms...
, San Lucan speckled rattlesnake - Crotalus mitchellii muertensisCrotalus mitchellii muertensisCrotalus mitchellii muertensis is a venomous pitviper subspecies endemic to El Muerto Island, Mexico.-Geographic range:Known only from the type locality, which is "El Muerto Island, Gulf of California, Mexico.-Conservation status:...
, El Muerto Island speckled rattlesnake - Crotalus mitchellii pyrrhusCrotalus mitchellii pyrrhusCrotalus mitchellii pyrrhus is a venomous pitviper subspecies found in the southwestern United States and northwestern Mexico. A medium-sized snake, it is found mostly in rocky country, active at night and feeding on small mammals...
, Southwestern speckled rattlesnake - Crotalus mitchellii stephensi, Panamint rattlesnake
- Crotalus mitchellii angelensis
- Crotalus molossusCrotalus molossusCrotalus molossus is a venomous pitviper species found in the southwestern United States and Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Black-tailed rattlesnake- Crotalus molossus estebanensisCrotalus molossus estebanensisCrotalus molossus estebanensis is a venomous pitviper subspecies endemic to San Estéban Island, Mexico.-Geographic range:Known only from the type locality, which is "San Estéban Island, Gulf of California, Mexico.-Conservation status:...
, San Esteban Island black-tailed rattlesnake - Crotalus molossus molossusCrotalus molossusCrotalus molossus is a venomous pitviper species found in the southwestern United States and Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Northern black-tailed rattlesnake - Crotalus molossus nigrescens, Mexican black-tailed rattlesnake
- Crotalus molossus oaxacus, Oaxacan black-tailed rattlesnake
- Crotalus molossus estebanensis
- Crotalus oreganusCrotalus oreganusCrotalus oreganus is a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here....
, Western rattlesnake- Crotalus oreganus abyssus, Grand Canyon rattlesnake
- Crotalus oreganus caliginisCrotalus oreganus caliginisCrotalus oreganus caliginis is a venomous pitviper subspecies endemic to South Coronado Island, Mexico.-Geographic range:Known only from the type locality, given as "South Coronado Island, off the northwest coast of Baja California, Mexico."...
, Coronado Island rattlesnake - Crotalus oreganus cerberusCrotalus oreganus cerberusCrotalus oreganus cerberus is a venomous pitviper subspecies found in the southwestern United States.-Description:According to Wright and Wright , adults grow to an average length of 78-109 cm...
, Arizona black rattlesnake - Crotalus oreganus concolorCrotalus oreganus concolorCrotalus oreganus concolor is a venomous pitviper subspecies found in the western United States. A small species known for its faded color pattern.-Description:Grows to a maximum length of 750 mm...
, Midget faded rattlesnake - Crotalus oreganus helleri, Southern Pacific rattlesnake
- Crotalus oreganus lutosusCrotalus oreganus lutosusCrotalus oreganus lutosus is a venomous pitviper subspecies found in the Great Basin region of the United States.-Description:Adult specimens are 66-121 cm in length, but rarely exceed an overall length of 1 m...
, Great Basin rattlesnake - Crotalus oreganus oreganusCrotalus oreganusCrotalus oreganus is a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here....
, Northern Pacific rattlesnake
- Crotalus polystictusCrotalus polystictusCrotalus polystictus is a venomous pitviper species found in central Mexico. No subspecies are currently recognized.-Description:Adults usually grow to 60-70 cm, although exceptionally large specimens may be as much as 100 cm in length....
, Mexican lancehead rattlesnake - Crotalus priceiCrotalus priceiCrotalus pricei is a venomous pitviper species found in the United States and Mexico. Currently, two subspecies are recognized, including the nominate subspecies described here.-Description:Adults usually do not exceed 50–60 cm in length...
, Twin-spotted rattlesnake- Crotalus pricei miquihuanus, Eastern twin spotted rattlesnake
- Crotalus pricei priceiCrotalus priceiCrotalus pricei is a venomous pitviper species found in the United States and Mexico. Currently, two subspecies are recognized, including the nominate subspecies described here.-Description:Adults usually do not exceed 50–60 cm in length...
, Western twin spotted rattlesnake
- Crotalus pusillusCrotalus pusillusCrotalus pusillus is a venomous pitviper species found in west-central Mexico. No subspecies are currently recognized.-Description:Adult males may grow to more than 50 cm in length. Females are smaller. The largest recorded length for a specimen is 68.2 cm.-Behavior:Campbell and Lamar stated that...
, Tancitaran dusky rattlesnake - Crotalus ruberCrotalus ruberCrotalus ruber is a venomous pitviper species found in southwestern California in the United States and Baja California in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Red diamond rattlesnake- Crotalus ruber lorenzoensisCrotalus ruber lorenzoensisCrotalus ruber lorenzoensis is a venomous pitviper subspecies endemic to San Lorenzo Sur Island, Mexico.-Description:This subspecies usually has no rattle, and has shranked in size compared to some of its other subspecies counterparts on the mainland....
, San Lorenzo Island diamond rattlesnake - Crotalus ruber lucansensis, San Lucan diamond rattlesnake
- Crotalus ruber ruberCrotalus ruberCrotalus ruber is a venomous pitviper species found in southwestern California in the United States and Baja California in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Red diamond rattlesnake
- Crotalus ruber lorenzoensis
- Crotalus scutulatusCrotalus scutulatusCrotalus scutulatus is a venomous pitviper species found in the deserts of the southwestern United States and central Mexico. It is perhaps best known for its potent neurotoxic venom...
, Mojave rattlesnake- Crotalus scutulatus salvini, Huamantlan rattlesnake
- Crotalus scutulatus scutulatusCrotalus scutulatusCrotalus scutulatus is a venomous pitviper species found in the deserts of the southwestern United States and central Mexico. It is perhaps best known for its potent neurotoxic venom...
, Mojave rattlesnake
- Crotalus simusCrotalus simusCrotalus simus is a venomous pitviper species found in Mexico and Central America. The specific epithet is Latin for "flat nosed"; likely an allusion to the fact that its head is relatively blunt when compared with the lanceheads...
, Middle American rattlesnake- Crotalus simus culminatus, Northwestern neotropical rattlesnake
- Crotalus simus simusCrotalus simusCrotalus simus is a venomous pitviper species found in Mexico and Central America. The specific epithet is Latin for "flat nosed"; likely an allusion to the fact that its head is relatively blunt when compared with the lanceheads...
, Middle American rattlesnake - Crotalus simus tzabcan, Yucatán neotropical rattlesnake
- Crotalus stejnegeriCrotalus stejnegeriCrotalus stejnegeri is a venomous pitviper species found in western Mexico. No subspecies are currently recognized.-Description:Adults do not usually grow to more than 60 cm in length. The greatest length recorded for a specimen is 72.4 cm. The tail is relatively long, representing 11-14.8% of the...
, Long-tail rattlesnake - Crotalus tigrisCrotalus tigrisCrotalus tigris is a venomous pit viper species found in the southwestern United States and northwestern Mexico. No subspecies are currently recognized. The specific name is Latin for tiger and is an allusion to many narrow dorsal crossbands that create a pattern of vertical stripes.-Description: A...
, Tiger rattlesnake - Crotalus tortugensisCrotalus tortugensisCrotalus tortugensis is a venomous pitviper species found only on Tortuga Island in the Gulf of California. No subspecies are currently recognized.-Description:...
, Tortuga Island diamond rattlesnake - Crotalus totonacusCrotalus totonacusCrotalus totonacus is a venomous pitviper species found in northeastern Mexico. No subspecies are currently recognized.-Description:Adults frequently grow to more than 150 cm in length...
, Totonacan rattlesnake - Crotalus transversusCrotalus transversusCrotalus transversus is a venomous pitviper species found in central Mexico, known from less than 20 specimens. No subspecies are currently recognized.-Description:Adults grow to a maximum recorded length of 46.5 cm...
, Cross-banded mountain rattlesnake - Crotalus triseriatusCrotalus triseriatusCrotalus triseriatus is a venomous pitviper species found in Mexico. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Dusky rattlesnake- Crotalus triseriatus armstrongi, Dusky rattlesnake
- Crotalus triseratus triseriatusCrotalus triseriatusCrotalus triseriatus is a venomous pitviper species found in Mexico. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Western dusky rattlesnake
- Crotalus viridisCrotalus viridisCrotalus viridis is a venomous pitviper species native to the western United States, southwestern Canada, and northern Mexico. Currently, nine subspecies are recognized, including the nominate subspecies described here.-Description:...
, Prairie rattlesnake- Crotalus viridis nuntiusCrotalus viridis nuntiusCrotalus viridis nuntius is a venomous pitviper subspecies native primarily to the desert plateau of the northeastern portion of the American state of Arizona, but also ranges into northwestern New Mexico. Named for the Native American Hopi tribe, which inhabits the region, its range overlaps that...
, Hopi rattlesnake - Crotalus viridis viridisCrotalus viridisCrotalus viridis is a venomous pitviper species native to the western United States, southwestern Canada, and northern Mexico. Currently, nine subspecies are recognized, including the nominate subspecies described here.-Description:...
, Prairie rattlesnake
- Crotalus viridis nuntius
- Crotalus willardiCrotalus willardiCrotalus willardi is a venomous pitviper species found in the southwestern United States and Mexico. It is the most recent rattlesnake species to be discovered in the United States. Its specific name is in honor of its discoverer, Professor Frank C. Willard. Five subspecies are currently...
, Ridge-nosed rattlesnake- Crotalus willardi amabilis, Del Nido ridge-nosed rattlesnake
- Crotalus willardi meridionalis, Southern ridge-nosed rattlesnake
- Crotalus willardi obscurusCrotalus willardi obscurusCrotalus willardi obscurus is a venomous pitviper subspecies found in northwestern Mexico and the southwestern United States.This is the only venomous snake listed as Threatened by the U.S. Fish and Wildlife Service.-Description:...
, New Mexican ridge-nosed rattlesnake - Crotalus willardi silus, Western Chihuahuan ridge-nosed rattlesnake
- Crotalus willardi willardiCrotalus willardiCrotalus willardi is a venomous pitviper species found in the southwestern United States and Mexico. It is the most recent rattlesnake species to be discovered in the United States. Its specific name is in honor of its discoverer, Professor Frank C. Willard. Five subspecies are currently...
, Arizona ridge-nosed rattlesnake
- Crotalus adamanteus
- DeinagkistrodonDeinagkistrodonDeinagkistrodon is a monotypic genus created for a venomous pitviper species, D. acutus, found in Southeast Asia. No subspecies are currently recognized.-Description:...
, Hundred-pace viper- Deinagkistrodon acutusDeinagkistrodonDeinagkistrodon is a monotypic genus created for a venomous pitviper species, D. acutus, found in Southeast Asia. No subspecies are currently recognized.-Description:...
, Hundred-pace viper
- Deinagkistrodon acutus
- GloydiusGloydiusGloydius is a genus of venomous pitvipers found in Asia. Named after Howard Gloyd, this group is very similar to the North American genus Agkistrodon...
- Gloydius blomhoffiiGloydius blomhoffiiGloydius blomhoffii, commonly known as the mamushi, or Japanese mamushi, is a venomous pitviper species found in China, Japan, and Korea. There are four subspecies including the nominate subspecies described here....
, Japanese mamushi- Gloydius blomhoffii blomhoffiiGloydius blomhoffiiGloydius blomhoffii, commonly known as the mamushi, or Japanese mamushi, is a venomous pitviper species found in China, Japan, and Korea. There are four subspecies including the nominate subspecies described here....
, Japanese mamushi - Gloydius blomhoffii brevicaudusGloydius blomhoffii brevicaudusGloydius blomhoffii brevicaudus is a venomous pitviper subspecies found in China and the Korean Peninsula.-Description:Adults are relatively stout with a broad head and a short tail. The largest male examined by Gloyd and Conant was 71 cm in total length of which the tail was 9 cm, the...
, Short-tailed mamushi - Gloydius blomhoffii dubitatus, Tung Ling mamushi
- Gloydius blomhoffii siniticus, Yangtze mamushi
- Gloydius blomhoffii blomhoffii
- Gloydius halysGloydius HalysGloydius halys is a venomous pitviper species found within a wide range that stretches from Russia, east of the Urals, eastwards through China and also includes the southern Ryukyu Islands. Five subspecies are currently recognized, including the typical form described here.-Description:Grows to a...
, Siberian pitviper- Gloydius halys boehmei, Boehme's pitviper
- Gloydius halys caraganus, Karaganda pitviper
- Gloydius halys cognatus, Alashan pitviper
- Gloydius halys halysGloydius HalysGloydius halys is a venomous pitviper species found within a wide range that stretches from Russia, east of the Urals, eastwards through China and also includes the southern Ryukyu Islands. Five subspecies are currently recognized, including the typical form described here.-Description:Grows to a...
, Siberian pitviper - Gloydius halys mogoi
- Gloydius himalayanusGloydius himalayanusGloydius himalayanus is a venomous pitviper species found along the southern slopes of the Himalayas in Pakistan, India and Nepal. No subspecies are currently recognized.-Geographic range:...
, Himalayan pitviper - Gloydius intermediusGloydius intermediusGloydius intermedius is a venomous pitviper species found in northern Asia. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Central Asian pitviper- Gloydius intermedius caucasicus, Caucasian pit viper
- Gloydius intermedius intermediusGloydius intermediusGloydius intermedius is a venomous pitviper species found in northern Asia. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Central Asian pit viper - Gloydius intermedius stejnegeri, Gobi pit viper
- Gloydius monticolaGloydius monticolaGloydius monticola is a venomous pitviper species found in southern China. A small and darkly colored snake with no visible color pattern found high in the mountains of northern Yunnan province. No subspecies are currently recognized.-Description:...
, Likiang pitviper - Gloydius saxatilis, Rock mamushi
- Gloydius shedaoensisGloydius shedaoensisGloydius shedaoensis is a venomous pitviper species found only on Shedao Island in China. Although very small, this island is home to an extraordinarily large population of these snakes. No subspecies are currently recognized.-Description:...
, Shedao island pitviper - Gloydius strauchiGloydius strauchiGloydius strauchi is a venomous pitviper species found in western China. A small snake with a pattern of four longitudinal stripes, although some older specimens may be a uniform black. Distinguished from G. monticola by its higher midbody dorsal scale count...
, Strauch's pitviper - Gloydius ussuriensisGloydius ussuriensisGloydius ussuriensis is a venomous pitviper species found in far east Russia, northeastern China and the Korean Peninsula. No subspecies are currently recognized.-Description: Adult males are 37-63 cm in length, while adult females are 41-64.7 cm...
, Ussuri mamushi
- Gloydius blomhoffii
- HypnaleHypnaleHypnale is a genus of venomous pitvipers found in Sri Lanka and southwestern India. Three monotypic species are currently recognized . All members have a more or less upturned snouts that produce a hump-nosed effect.-Description:...
, Humpnose vipers- Hypnale hypnaleHypnale hypnaleHypnale hypnale is a venomous pitviper species found in India and Sri Lanka. No subspecies are currently recognized.-Description: Grows to an average of 30-45 cm in length. The Armed Forces Pest Management Board states 0.4-0.6 m in length....
, Hump-nosed viper - Hypnale nepaHypnale nepaHypnale nepa is a venomous pitviper species found in Sri Lanka. Relatively small, they are distinguished by a strongly upturned snout. No subspecies are currently recognized.-Description:...
, Sri Lankan hump-nosed viper - Hypnale walliHypnale walliHypnale walli is a venomous pitviper species found in Sri Lanka. The smallest member member of its genus, it is distinguished by having a strongly upturned nose and lower scale counts...
, Wall's hump-nosed viper
- Hypnale hypnale
- LachesisLachesis (genus)Lachesis is a genus of venomous pitvipers found in remote forested areas of Central and South America. The generic name refers to one of the Three Fates in Greek mythology who determined the length of the thread of life...
, Bushmasters- Lachesis melanocephalaLachesis melanocephalaLachesis melanocephala is a venomous pitviper species found in Costa Rica. No subspecies are currently recognized.-Description:Adults frequently grow to 190–200 cm in length with the largest reported specimens being 230 cm and 240 cm...
, Black-headed bushmaster - Lachesis mutaLachesis mutaLachesis muta is a venomous pitviper species found in South America. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, South American bushmaster- Lachesis muta mutaLachesis mutaLachesis muta is a venomous pitviper species found in South America. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, South American bushmaster - Lachesis muta rhombeata, Atlantic forest bushmaster
- Lachesis muta muta
- Lachesis stenophrysLachesis stenophrysLachesis stenophrys is a venomous pitviper species found in Central America and northern South America. The specific name is derived from the Greek words stenos and ophrys, meaning "narrow" and "brow" or "eyebrow". No subspecies are currently recognized.-Description:Adults commonly grow to more...
, Central American bushmaster
- Lachesis melanocephala
- OphryacusOphryacusOphryacus is a genus of venomous pitvipers endemic to Mexico. The name is derived from the Greek words ophrys and the suffix -acutus, which means "brow" and "belonging to"; an allusion to the characteristic hornlike scales over the eyes. Currently two species are recognized and no...
, Mexican horned pitvipers- Ophryacus melanurusOphryacus melanurusOphryacus melanurus is a venomous pitviper species found in the mountains of southern Mexico. No subspecies are currently recognized.-Description:Adults grow to between 37.5 and 50 cm in length and have a moderately stout build.-Geographic range:...
, Black-tailed horned pitviper - Ophryacus undulatusOphryacus undulatusOphryacus undulatus is a venomous pitviper species found in the mountains of central and southern Mexico. No subspecies are currently recognized.-Description:Adults grow to 55–70 cm in length and are moderately stout...
, Mexican horned pitviper
- Ophryacus melanurus
- OvophisOvophisOvophis is a genus of venomous pitvipers found in Asia. Three species are currently recognized.-Geographic range:Found in Asia in Nepal and Seven Sisters , India, eastward through Myanmar, Cambodia, Thailand, Laos, Vietnam, West Malaysia, Taiwan, Okinawa, Sumatra and Borneo.-Species:*) Not...
, Asian mountain pitvipers- Ovophis chaseniOvophis chaseniOvophis chaseni is a venomous pitviper species found on the island of Borneo in Indonesia. No subspecies are currently recognized.-Description:...
, Mount Kinabalu pitviper - Ovophis monticolaOvophis monticolaOvophis monticola is a venomous pitviper species found in Asia. Currently, five subspecies are recognized, including the nominate subspecies described here.-Description:Total length males 49 cm, females 110 cm; tail length males 8 cm, females 15 cm....
, Mountain pitviper- Ovophis monticola convictus, Indo-Malayan mountain pitviper
- Ovophis monticola makazayazaya, Taiwan mountain pitviper
- Ovophis monticola monticolaOvophis monticolaOvophis monticola is a venomous pitviper species found in Asia. Currently, five subspecies are recognized, including the nominate subspecies described here.-Description:Total length males 49 cm, females 110 cm; tail length males 8 cm, females 15 cm....
, Mountain pitviper - Ovophis monticola zayuensis, Zayuan mountain pitviper
- Ovophis monticola zhaokentangi, Gaoligong mountain pitviper
- Ovophis okinavensisOvophis okinavensisOvophis okinavensis is a venomous pitviper species found in the Ryukyu Islands of Japan. No subspecies are currently recognized.-Description:This is the longest Asian pitviper, adults are usually 1.1-1.7 m long...
, Okinawa pitviper
- Ovophis chaseni
- PorthidiumPorthidiumPorthidium is a genus of venomous pitvipers found in Mexico and southward to northern South America. The name is derived from the Greek words portheo and the suffix -idus, which means "destroy" and "having the nature of"; apparently a reference to the venom...
, Hognosed pit vipers- Porthidium dunniPorthidium dunniPorthidium dunni is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Description:Adults are usually 30-40 cm in length, with a maximum of 57 cm. A moderately stout and terrestrial species...
, Dunn's hognosed pitviper - Porthidium hesperePorthidium hesperePorthidium hespere is a venomous pitviper species found in western Mexico. No subspecies are currently recognized.-Description:Know from only four specimens: two females with locality data and two other specimens without. The former were moderately stout and were 31.5 and 57.9 cm in length...
, Colima hognosed pitviper - Porthidium lansbergiiPorthidium lansbergiiPorthidium lansbergii is a venomous pitviper species found in Central and South America. Currently, four subspecies are recognized, including the nominate subspecies described here.-Description:...
, Lansberg's hognosed pitviper- Porthidium lansbergii arcosae, Manabí hognosed pitviper
- Porthidium lansbergii hutmanni
- Porthidium lansbergii lansbergiiPorthidium lansbergiiPorthidium lansbergii is a venomous pitviper species found in Central and South America. Currently, four subspecies are recognized, including the nominate subspecies described here.-Description:...
, Lansberg's hognosed pitviper - Porthidium lansbergii rozei
- Porthidium nasutumPorthidium nasutumPorthidium nasutum is a venomous pitviper species found in Mexico, Central America and northern South America. No subspecies are currently recognized.-Description:...
, Rainforest hognosed pitviper - Porthidium ophryomegasPorthidium ophryomegasPorthidium ophryomegas is a venomous pitviper species found in Central America. No subspecies are currently recognized.-Description:Adults usually grow to a length of 40-60 cm and have a relatively slender build. Females grow larger than males and are often more than 60 cm in length, while males...
, Slender hognosed pitviper - Porthidium volcanicumPorthidium volcanicumPorthidium volcanicum is a venomous pitviper species found in Costa Rica. No subspecies are currently recognized.-Description:Adults are moderately stout with females growing to 31-53.6 cm in length...
, Ujarran hognosed pitviper - Porthidium yucatanicumPorthidium yucatanicumPorthidium yucatanicum is a venomous pitviper species found in Mexico. No subspecies are currently recognized.-Description:Adults are usually 35-45 cm in length, although some specimens may exceed than 55 cm. The females tend to be larger than the males. Moderately stout and terrestrial.-Geographic...
, Yucatán hognosed pitviper
- Porthidium dunni
- SistrurusSistrurusSistrurus is a genus of venomous pit vipers found in Canada, the United States and Mexico. The name is a Latinized form of the Greek word for "tail rattler" and shares its root with the ancient Egyptian musical instrument, the sistrum, a type of rattle...
, Ground rattlesnakes- Sistrurus catenatusSistrurus catenatusSistrurus catenatus is a venomous pitviper species found primarily in the United States. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Massasauga- Sistrurus catenatus catenatusSistrurus catenatusSistrurus catenatus is a venomous pitviper species found primarily in the United States. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Eastern massasauga - Sistrurus catenatus edwardsiiSistrurus catenatus edwardsiiSistrurus catenatus edwardsii is a venomous snake pitviper subspecies found in the southwestern United States and northern Mexico. In places its range overlaps that of S. c. tergeminus) and intergrading of the two subspecies is not unknown....
, Desert massasauga - Sistrurus catenatus tergeminusSistrurus catenatus tergeminusSistrurus catenatus tergeminus is a venomous pitviper subspecies found in the southwestern plains of the United States. In some areas its range overlaps that of another subspecies, S. c. edwardsii, and intergrading of the two is not unknown....
, Western massasauga
- Sistrurus catenatus catenatus
- Sistrurus miliariusSistrurus miliariusSistrurus miliarius is a venomous pitviper species found in the southeastern United States. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Pigmy rattlesnake- Sistrurus miliarius barbouriSistrurus miliarius barbouriSistrurus miliarius barbouri is a venomous pitviper subspecies found in the southeastern United States.-Description: Adults grow to between 35.5 and 76 cm in length . In a study that involved 103 males and 80 females, the average length was 53.5 cm. Snellings and Collins reported a specimen...
, Dusky pigmy rattlesnake - Sistrurus miliarius miliariusSistrurus miliariusSistrurus miliarius is a venomous pitviper species found in the southeastern United States. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Carolina pigmy rattlesnake - Sistrurus miliarius streckeriSistrurus miliarius streckeriSistrurus miliarius streckeri is a venomous pitviper subspecies found in the south-central United States.-Description:Adult specimens are 40-63 cm in length. In one study, the average length of 55 males and 49 females was 52 cm....
, Western pigmy rattlesnake
- Sistrurus miliarius barbouri
- Sistrurus ravusSistrurus ravusSistrurus ravus is a venomous pitviper species, found only in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mexican pigmy rattlesnake- Sistrurus ravus brunneus, Oaxacan pigmy rattlesnake
- Sistrurus ravus exigus, Guerreran pigmy rattlesnake
- Sistrurus ravus ravusSistrurus ravusSistrurus ravus is a venomous pitviper species, found only in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Central Plateau pigmy rattlesnake
- Sistrurus catenatus
- TrimeresurusTrimeresurusTrimeresurus is a genus of venomous pitvipers found in Asia from Pakistan, through India, China, throughout Southeast Asia and the Pacific Islands. Currently 35 species are recognized...
, Asian pitvipers- Trimeresurus albolabrisTrimeresurus albolabrisTrimeresurus albolabris is a venomous pitviper species found in Southeast Asia. Three subspecies are currently recognized, including the nominate race described here.-Description:...
, White-lipped pitviper- Trimeresurus albolabris albolabrisTrimeresurus albolabrisTrimeresurus albolabris is a venomous pitviper species found in Southeast Asia. Three subspecies are currently recognized, including the nominate race described here.-Description:...
, White-lipped pitviper - Trimeresurus albolabris insularisTrimeresurus albolabris insularisTrimeresurus albolabris insularis is a venomous pitviper subspecies found in Indonesia.-Description:The scalation includes 21 rows of dorsal scales at midbody, 156-164/156-167 ventral scales in males/females, 70-75/54-59 subcaudal scales in males/females and 7-12 supralabial scales.-Geographic...
, White-lipped island pitviper - Trimeresurus albolabris septentrionalisTrimeresurus albolabris septentrionalisTrimeresurus septentrionalis is a venomous pitviper subspecies found in Nepal and India.-Description:Total length males 610 mm, females 730 mm....
, Northern white-lipped pitviper
- Trimeresurus albolabris albolabris
- Trimeresurus borneensisTrimeresurus borneensisTrimeresurus borneensis is a venomous pitviper species found in Indonesia on the island of Borneo. No subspecies are currently recognized.-Description:...
, Bornean pitviper - Trimeresurus brongersmaiTrimeresurus brongersmaiTrimeresurus brongersmai is a venomous pitviper species found in Indonesia on the island of Simalur. The specific name, brongersmai, is in honor of Dutch herpetologist Leo Brongersma...
, Brongersma's pitviper - Trimeresurus cantoriTrimeresurus cantoriTrimeresurus cantori is a venomous pitviper species endemic to the Nicobar Islands of India. It was named after Theodore Edward Cantor , a Danish naturalist serving as a surgeon with the East India Company in Calcutta...
, Cantor's pitviper - Trimeresurus cornutusTrimeresurus cornutusTrimeresurus cornutus is a venomous pitviper species found in Vietnam. Previously, it was known from only two specimens, but was recently rediscovered in the central part of the country. No subspecies are currently recognized.-Geographic range:...
, Fan-Si-Pan horned pitviper - Trimeresurus elegansTrimeresurus elegansTrimeresurus elegans is a venomous pitviper species found in Japan in the southern Ryukyu Islands. No subspecies are currently recognized. The species is aggressive with large fangs...
, Elegant pitviper - Trimeresurus erythrurusTrimeresurus erythrurusTrimeresurus erythrurus is a venomous pitviper species found in India, Bangladesh and Burma. No subspecies are currently recognized.-Description:Males grow to a maximum size 575 mm, of which the tail is 120 mm in length...
, Red-tailed bamboo pitviper - Trimeresurus fasciatusTrimeresurus fasciatusTrimeresurus fasciatus is a venomous pitviper species endemic to Djampea Island Indonesia. No subspecies are currently recognized.-Description:...
, Banded pitviper - Trimeresurus flavomaculatusTrimeresurus flavomaculatusTrimeresurus flavomaculatus is a venomous pitviper species found in the Philippines. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Philippine pitviper- Trimeresurus flavomaculatus flavomaculatusTrimeresurus flavomaculatusTrimeresurus flavomaculatus is a venomous pitviper species found in the Philippines. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Philippine pitviper - Trimeresurus flavomaculatus halieusTrimeresurus flavomaculatus halieusTrimeresurus flavomaculatus halieus is a venomous pitviper subspecies found in the Philippines.-Geographic range:Found in the Philippines on the island of Polillo. The type locality given is "Island of Polillo, P.I." .-Taxonomy:...
- Trimeresurus flavomaculatus mcgregoriTrimeresurus flavomaculatus mcgregoriTrimeresurus flavomaculatus mcgregori is a venomous pitviper subspecies found in the Philippines.-Description:The scalation includes 21 rows of dorsal scales at midbody, 170-172/173-178 ventral scales in males/females, 62-66/58-60 subcaudal scales in males/females and 10-11 supralabial...
, McGregor's pitviper
- Trimeresurus flavomaculatus flavomaculatus
- Trimeresurus flavoviridisTrimeresurus flavoviridisTrimeresurus flavoviridis is a venomous pitviper species found in Japan in the Ryukyu Islands. No subspecies are currently recognized.-Description:...
, Habu - Trimeresurus gracilisTrimeresurus gracilisTrimeresurus gracilis is a venomous pitviper species found in only in Taiwan. No subspecies are currently recognized.-Description:Scalation includes 19 rows of dorsal scales at midbody, 144/149 ventral scales, 43-53 subcaudal scales and 7-8 supralabial scales.-Geographic range:Found only in...
, Kikushi habu - Trimeresurus gramineusTrimeresurus gramineusTrimeresurus gramineus is a venomous pitviper species found only in southern India. No subspecies are currently recognized.-Description:...
, Bamboo pitviper - Trimeresurus hageniTrimeresurus hageniTrimeresurus hageni is a venomous pitviper species found in Southeast Asia. No subspecies are currently recognized.-Description:Scalation includes 21 rows of dorsal scales at midbody, 76–98 ventral scales, 63–89 subcaudal scales, and 9–12 supralabial scales.-Geographic range:This species is found...
, Hagen's pitviper - Trimeresurus jerdonii, Jerdon's pitviper
- Trimeresurus jerdonii bourretiTrimeresurus jerdonii bourretiTrimeresurus jerdonii bourreti is a venomous pitviper subspecies found in Vietnam.-Description:The scalation includes 21-23 rows of dorsal scales at midbody, 189-192 ventral scales, 65-72 subcaudal scales and 7-8 supralabial scales.-Geographic range:...
, Bourret's pitviper - Trimeresurus jerdonii jerdonii, Jerdon's pitviper
- Trimeresurus jerdonii xanthomelasTrimeresurus jerdonii xanthomelasTrimeresurus jerdonii xanthomelas is a venomous pitviper subspecies found in China.-Description:The scalation includes 21-23 rows of dorsal scales at midbody, 176-188 ventral scales, 54-67 subcaudal scales and 7-8 supralabial scales.-Geographic range:...
, Red spotted pitviper
- Trimeresurus jerdonii bourreti
- Trimeresurus kanburiensisTrimeresurus kanburiensisTrimeresurus kanburiensis is a venomous pitviper species found in only a few areas in Thailand. An arboreal, but heavily built species with a brown or tawny coloration. No subspecies are currently recognized.-Description:...
, Kanburi pitviper - Trimeresurus karanshahiTrimeresurus karanshahiTrimeresurus karanshahi is a venomous pitviper species described from central Nepal in the Himalayas. No subspecies are currently recognized....
- Trimeresurus kaulbackiTrimeresurus kaulbackiTrimeresurus kaulbacki is a venomous pitviper species found only in Burma. No subspecies are currently recognized.-Description:Scalation includes 25 rows of dorsal scales at midbody, 201-212 ventral scales, 66-78 subcaudal scales and 8 supralabial scales of which the third is the...
, Kaulback's lance-headed pitviper - Trimeresurus labialisTrimeresurus labialisTrimeresurus labialis is a venomous pitviper species endemic to the Nicobar Islands of India. No subspecies are currently recognized.-Geographic range:Found only in the Nicobar Islands of India. The type locality given is "den Nikobaren."...
, Nicobar bamboo pitviper - Trimeresurus macrolepisTrimeresurus macrolepisTrimeresurus macrolepis is a venomous pitviper species found in the mountains of southern India. No subspecies are currently recognized.-Geographic range:...
, Large-scaled pitviper - Trimeresurus macropsTrimeresurus macropsTrimeresurus macrops is a venomous pitviper species found in Southeast Asia. No subspecies are currently recognized. Common names include large-eyed pitviper and green pit viper.-Description:...
, Large-eyed pitviper - Trimeresurus malabaricusTrimeresurus malabaricusTrimeresurus malabaricus is a venomous pitviper species found in southwestern India. No subspecies are currently recognized.-Description:...
, Malabar rock pitviper - Trimeresurus mangshanensis, Mangshan pitviper
- Trimeresurus medoensisTrimeresurus medoensisTrimeresurus medoensis is a venomous pitviper species found in India, Burma and Xizang , China. No subspecies are currently recognized.-Description:...
, Motuo bamboo pitviper - Trimeresurus mucrosquamatus, Brown spotted pitviper
- Trimeresurus popeorum, Pope's bamboo pitviper
- Trimeresurus popeorum baratiTrimeresurus popeorum baratiTrimeresurus popeorum barati is a venomous pitviper subspecies found in Indonesia.-Description:The scalation includes 17-19 rows of dorsal scales at midbody, 142-157/146-160 ventral scales in males/females, 62-72/55-58 subcaudal scales in males/females and 9-11 supralabial scales.-Geographic...
, Barat bamboo pitviper - Trimeresurus popeorum popeorum, Pope's bamboo pitviper
- Trimeresurus popeorum sabahiTrimeresurus popeorum sabahiTrimeresurus popeorum sabahi is a venomous pitviper subspecies found on Borneo.-Description:The scalation includes 21 rows of dorsal scales at midbody, 149-157/148-156 ventral scales in males/females or 148-159 in general, 72-76/59-65 subcaudal scales in males/females and 9-11 supralabial...
, Sabah bamboo pitviper
- Trimeresurus popeorum barati
- Trimeresurus puniceusTrimeresurus puniceusTrimeresurus puniceus is a venomous pitviper species found in Southeast Asia. No subspecies are currently recognized.-Description:Scalation includes 21-23 rows of dorsal scales at midbody, 158-173 ventral scales, 41-56 subcaudal scales and 10-13 supralabial scales.-Common names:Flat-nosed pitviper,...
, Flat-nosed pitviper - Trimeresurus purpureomaculatusTrimeresurus purpureomaculatusTrimeresurus purpureomaculatus is a venomous pitviper species found in parts of India and Southeast Asia. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mangrove pit viper- Trimeresurus purpureomaculatus andersoniTrimeresurus purpureomaculatus andersoniTrimeresurus andersonii is a venomous pitviper subspecies found in the Andaman Islands of India.-Geographic range:Found in the Andaman Islands . The type locality: "No record." Given as "Andaman Islands" by Regenass and Kramer ....
, Nicobar mangrove pit viper - Trimeresurus purpureomaculatus purpureomaculatusTrimeresurus purpureomaculatusTrimeresurus purpureomaculatus is a venomous pitviper species found in parts of India and Southeast Asia. Two subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Mangrove pit viper
- Trimeresurus purpureomaculatus andersoni
- Trimeresurus schultzeiTrimeresurus schultzeiTrimeresurus schultzei is a venomous pitviper species found in the Philippines. No subspecies are currently recognized.-Description:Scalation includes 21 rows of dorsal scales at midbody, 185-194/192-203 ventral scales in males/females, 67-78/66-75 subcaudal scales in males/females and 9-11...
, Schultze's pitviper - Trimeresurus stejnegeriTrimeresurus stejnegeriTrimeresurus stejnegeri is a venomous pitviper species found in India, Nepal, Burma, Thailand, China and Taiwan. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Stejneger's bamboo pitviper- Trimeresurus stejnegeri chenbihuiiTrimeresurus stejnegeri chenbihuiiTrimeresurus stejnegeri chenbihuii is a venomous pitviper subspecies found in China on Hainan Island.-Description:The scalation includes 21 rows of dorsal scales at midbody, 169-178/168-174 ventral scales in males/females, 70-80/66-78 subcaudal scales in males/females and 10-12 supralabial...
, Chen's bamboo pitviper - Trimeresurus stejnegeri stejnegeriTrimeresurus stejnegeriTrimeresurus stejnegeri is a venomous pitviper species found in India, Nepal, Burma, Thailand, China and Taiwan. Three subspecies are currently recognized, including the nominate subspecies described here.-Description:...
, Stejneger's bamboo pitviper - Trimeresurus stejnegeri yunnanensisTrimeresurus stejnegeri yunnanensisTrimeresurus stejnegeri yunnanensis is a venomous pitviper subspecies found in India and Burma.-Description:The scalation includes 19 rows of dorsal scales at midbody, 154-164/150-172 ventral scales in males/females, 61-71/52-65 subcaudal scales in males/females and 9-11 supralabial...
, Yunnan bamboo pitviper
- Trimeresurus stejnegeri chenbihuii
- Trimeresurus strigatusTrimeresurus strigatusTrimeresurus strigatus is a venomous pitviper species found in southern India. No subspecies are currently recognized.-Geographic range:Found in the hills of southern India. The type locality listed is "Cape of Good Hope?" and "Madras?"...
, Horseshoe pitviper - Trimeresurus sumatranusTrimeresurus sumatranusTrimeresurus sumatranus is a venomous pitviper species found in Thailand, Malaysia and Indonesia. Arboreal, its coloration is pale green with a red tail...
, Sumatran pitviper- Trimeresurus sumatranus malcolmiTrimeresurus sumatranus malcolmiTrimeresurus sumatranus malcolmi is a venomous pitviper subspecies found in East Malaysia.-Description:Scalation includes 19 rows of dorsal scales at midbody, 163-174 ventral scales, 64-81/61-64 subcaudal scales in males/females and 8-9 supralabial scales.-Common names:Malcolm's pitviper, Malcolm's...
, Malcolm's pitviper - Trimeresurus sumatranus sumatranusTrimeresurus sumatranusTrimeresurus sumatranus is a venomous pitviper species found in Thailand, Malaysia and Indonesia. Arboreal, its coloration is pale green with a red tail...
, Sumatran pitviper
- Trimeresurus sumatranus malcolmi
- Trimeresurus tibetanusTrimeresurus tibetanusTrimeresurus tibetanus is a venomous pitviper species found only in Tibet. No subspecies are currently recognized.-Description:Scalation includes 21 rows of dorsal scales at midbody, 147-152/145-159 ventral scales in males/females, 46-54/40-48 subcaudal scales in males/females and 7-9 supralabial...
, Tibetan bamboo pitviper - Trimeresurus tokarensisTrimeresurus tokarensisTrimeresurus tokarensis is a venomous pitviper species found in the Tokara Islands of Japan. No subspecies are currently recognized.-Description:...
, Tokara habu - Trimeresurus trigonocephalusTrimeresurus trigonocephalusTrimeresurus trigonocephalus is a venomous pitviper species found in Sri Lanka. No subspecies are currently recognized.-Description:A sexually dimorphic species, at a maximum of 70 cm in length the males are considerably smaller than females, which can grow to 130 cm. In addition, male tends to...
, Sri Lankan green pitviper - Trimeresurus xiangchengensisTrimeresurus xiangchengensisTrimeresurus xiangchengensis is a venomous pitviper species found in south-central China. No subspecies are currently recognized. But note there is a genetic proposal to reassign this species as Protobothrops xiangchengensis as a "phylogeny of four mitochondrial gene regions suggests a revised...
, Kham Plateau pitviper
- Trimeresurus albolabris
- TropidolaemusTropidolaemusTropidolaemus is a genus of venomous pitvipers found in southern India and Southeast Asia. Currently, two species are recognized and no subspecies.- Description :...
, Temple vipers- Tropidolaemus huttoniTropidolaemus huttoniTropidolaemus huttoni is a venomous pitviper species found in southern India. No subspecies are currently recognized. Its specific name is in honor of its discoverer, Angus Hutton, a planter and naturalist...
, Hutton's tree viper - Tropidolaemus wagleriTropidolaemus wagleriTropidolaemus wagleri is a venomous pitviper species native to southeast Asia. The epithet, wagleri, is in honor of German herpetologist Johann Georg Wagler. No subspecies are currently recognized...
, Wagler's pit viper
- Tropidolaemus huttoni