Hognosed pitviper
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Viperidae
- genus: Porthidium
- species: Porthidium nasutum
Campamento- Carepa
- Concepción
- Pueblorrico
- Yarumal
Antioquia- Istmina
Chocó
Colombia
La Fortuna- Quesada
Alajuela- Tilarán
Guanacaste
Costa Rica
Sayaxché
Petén
Guatemala