Country: Costa Rica
Distribution of Terrestrial Snakes in Mexico and Central America
Pit Vipers
| Agkistrodon howardgloydi | W |
| Atropoides picadoi | X |
| Bothriechis lateralis | X | |
| Bothriechis nigroadspersus | X | |
| Bothriechis nigroviridis | C+E | |
| Bothriechis nubestris | C | San José |
| Bothriechis supraciliaris | SE |
| Bothrops asper | X |
| Cerrophidion sasai | C+E |
| Crotalus simus | NW |
| Lachesis melanocephala | SW | |
| Lachesis stenophrys | X |
| Metlapilcoatlus mexicanus | X |
| Porthidium nasutum | X | |
| Porthidium ophryomegas | NW | |
| Porthidium porrasi | W | |
| Porthidium volcanicum | SW |
Elapids
| Micrurus alleni | X | |
| Micrurus clarki | S | |
| Micrurus mosquitensis | NE+E+SE | Atlantic coast |
| Micrurus multifasciatus | NE+E+SE | |
| Micrurus nigrocinctus | X |