Porthidium nasutum BOCOURT 1868
| New amphibians and reptiles from Honduras in the Museum of Comparative Zoology K P Schmidt (1936) Proc. Biol. Soc. Washington 49: 43-50 | |
| Snakes from the uplands of the Canal Zone and of Darien E R Dunn and Joseph R Bailey (1939) Bull. Mus. Comp. Zool. Harvard 86(1): 1-22 | |
| Snakes from the uplands of the Canal Zone and of Darien E R Dunn and Joseph Bailey (1939) Bulletin of the Museum of Comparative Zoology 86(1): 1-22 | |
| The systematics and distribution of the hognose viper Bothrops nasuta Bocourt (Serpentes: Viperidae) Louis Porras, James R Mccranie and Larry David Wilson (1981) Tulane Studies in Zoology and Botany 22: 85-107 |