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
| Leptomicrurus collaris | N | Roraima, Ampa |
| Leptomicrurus narducci | NW | |
| Leptomicrurus scutiventris | NW |
| Micrurus albicinctus | NW | |
| Micrurus altirostris | S | |
| Micrurus annellatus | W | |
| Micrurus averyi | N | |
| Micrurus boicora | W | Rodonia |
| Micrurus brasiliensis | W | |
| Micrurus collaris | N | Roraima, Ampa |
| Micrurus corallinus | S | |
| Micrurus decoratus | E | |
| Micrurus diana | W | W Mato Grosso |
| Micrurus diutius | X | |
| Micrurus filiformis | N | |
| Micrurus frontalis | S | |
| Micrurus hemprichii | N+NE | |
| Micrurus ibiboboca | NE+E | |
| Micrurus langsdorffi | NW | |
| Micrurus lemniscatus | X | |
| Micrurus mipartitus | W? | |
| Micrurus narducci | NW | |
| Micrurus nattereri | N | |
| Micrurus obscurus | NW | |
| Micrurus ornatissimus | W | Rondonia |
| Micrurus ortonii | W | Amazonas |
| Micrurus pacaraimae | N | |
| Micrurus paraensis | NE+C | |
| Micrurus potyguara | NE | |
| Micrurus psyches | N | |
| Micrurus putumayensis | NW | |
| Micrurus pyrrhocryptus | SW | SW Mato Grosso |
| Micrurus remotus | NW | |
| Micrurus scutiventris | NW | |
| Micrurus silviae | S | |
| Micrurus spixii | N+W | |
| Micrurus surinamensis | N+W+C | Mato Grosso, Para |
| Micrurus tikuna | X | Amazonas |
Pit vipers
| Bothrops alcatraz | SE | on Ilha Alcatrazes only |
| Bothrops alternatus | S | |
| Bothrops atrox | N+W | |
| Bothrops brazili | N+W | |
| Bothrops cotiara | SE | |
| Bothrops diporus | S | |
| Bothrops erythromelas | NE | |
| Bothrops fonsecai | SE | |
| Bothrops germanoi | SE | Sao Paulo: Ilha da Moela |
| Bothrops insularis | X | on Ilha Queimada Grande only |
| Bothrops itapetiningae | SE | |
| Bothrops jabrensis | E | Paraíba: Pico do Jabre |
| Bothrops jararaca | SE | |
| Bothrops jararacussu | E+S | |
| Bothrops leucurus | E | |
| Bothrops lutzi | E | |
| Bothrops marajoensis | N | |
| Bothrops marmoratus | X | |
| Bothrops matogrossensis | C+E | |
| Bothrops moojeni | C | |
| Bothrops muriciensis | E | |
| Bothrops neuwiedi | E+SE | |
| Bothrops oligobalius | NE | Amapá |
| Bothrops otavioi | SE | Vitoria Island only |
| Bothrops pauloensis | C+SE | |
| Bothrops pirajai | E | |
| Bothrops pubescens | S | |
| Bothrops sazimai | SE | Ilha dos Franceses |
| Lachesis muta | NW+N+W+C | |
| Lachesis rhombeata | NE+E |