Country: Arkansas, Louisiana
Distribution of Terrestrial Snakes in North America
Elapids
| Micrurus fulvius | X | Louisiana only |
| Micrurus tener | X |
Pit Vipers
| Agkistrodon contortrix | X | |
| Agkistrodon piscivorus | X |
| Crotalus adamanteus | SE | Louisiana only |
| Crotalus atrox | X | Arkansas only |
| Crotalus horridus | X |
| Sistrurus miliarius | X |