Select your current world region and subregion.
Distribution of terrestrial venomous snakes
Selection
| Occurrences in | |
|---|---|
| NW | the Northwest |
| N | the North |
| NE | the Northeast |
| W | the West |
| C | central areas |
| E | the East |
| SW | the Southwest |
| S | the South |
| SE | the Southeast |
| X | most areas |
| ? | unclear |
See also separate
distribution charts for various Colubrids
of lesser medical importance.
Distribution tables
Elapids
| Micrurus bernadi | E | |
| Micrurus bogerti | SW | |
| Micrurus browni | C+S | |
| Micrurus diastema | SE | |
| Micrurus distans | W | |
| Micrurus elegans | SE | |
| Micrurus ephippifer | S | |
| Micrurus laticollaris | SW | |
| Micrurus latifasciatus | S | |
| Micrurus limbatus | SE | |
| Micrurus nebularis | C | |
| Micrurus nigrocinctus | S | Oaxaca, Chiapas |
| Micrurus pachecogili | C | |
| Micrurus proximans | W | |
| Micrurus tamaulipensis | NE | |
| Micrurus tener | NE+C |
Pit vipers
| Agkistrodon bilineatus | W+SW+S | S Sonora, Sinaloa, Nayarit, Jalisco, Morelos, Colima, Michoacan, Guerrero, Oaxaca, Chiapas, Puebla, Las Islas Marias |
| Agkistrodon contortrix | N | NE Chihuahua, N Coahuila |
| Agkistrodon russeolus | SE | Yucatan, Campeche, Quintana Roo |
| Agkistrodon taylori | NE | Tamaulipas, Nuevo Leon, San Luis Potosi, Hildago, N Veracruz |
| Bothriechis aurifer | SE | |
| Bothriechis bicolor | S | |
| Bothriechis nigroadspersus | S | Isthmus of Tehuantepec |
| Bothriechis rowleyi | S |
| Cerrophidion godmani | SE | Chiapas, Oaxaca |
| Cerrophidion petlalcalensis | E | |
| Cerrophidion tzotzilorum | S |
| Metlapilcoatlus borealis | C+E | Hidalgo, San Luis PotosÃ, Querétaro, Northern Veracruz |
| Metlapilcoatlus mexicanus | S | |
| Metlapilcoatlus nummifer | C+E | |
| Metlapilcoatlus occiduus | S | |
| Metlapilcoatlus olmec | S |
| Mixcoatlus barbouri | SW | Guerrero, Sierra Madre del Sur |
| Mixcoatlus browni | SW | Guerrero |
| Mixcoatlus melanurus | C+S | S Puebla, NW Oaxaca |
| Ophryacus smaragdinus | C+S | Varacruz, Hildago, Puebla, Oaxaca |
| Ophryacus sphenophrys | S | Oaxaca |
| Ophryacus undulatus | C+S | Guerrero, Oaxaca, Puebla, Hildago, Veracruz |