Country: Guyana
Distribution of Terrestrial Snakes in South America and the West Indies
Pit Vipers
| Bothriopsis bilineata | X | |
| Bothriopsis taeniata | X |
| Bothrops atrox | X | |
| Bothrops brazili | X |
| Crotalus durissus cumanensis | W? | |
| Crotalus durissus durissus | N | |
| Crotalus durissus trigonicus | SW |
| Lachesis muta | X |
Elapids
| Leptomicrurus collaris | X |
| Micrurus averyi | S | |
| Micrurus diutius | X | |
| Micrurus hemprichii | X | |
| Micrurus isozonus | X | |
| Micrurus lemniscatus | X | |
| Micrurus psyches | N | |
| Micrurus surinamensis | X |