Genus Porthidium

Dunn's Hognose Viper - Adults are usually 30-40 cm in length, with a maximum of 57 cm.


Western Hognose Viper - Know from only four specimens: two females with locality data and two other specimens without.

Hognosed Pit Viper - Adults are usually less than 40 cm in length, and rarely more than 60 cm.


Yucat - Adults are usually 35-45 cm in length, although some specimens may exceed than 55 cm.

Order : Squamata
Family : Viperidae
Genus : Porthidium