BioStor
Porthidium nasutum BOCOURT 1868
 | Note sur quelques reptiles de l'Isthme de Tehuantepec (Mexique) donnés par M. Sumichrast au museum F Bocourt (1876) Journal de Zoologie. Paris 5: 386-411 |
 | Summary of the collections of snakes and crocodilians made in M H M Smith (1943) Proc. U. S. Nat. Mus 93: 393-504 |
 | A brief review of the snakes of Costa Rica E H Taylor (1951) University of Kansas Science Bulletin 34: 3-188 |
 | Further studies on the serpents of Costa Rica E H Taylor (1954) University of Kansas Science Bulletin 36: 673-801 |
 | The Lizards of Venezuela
(1960) Bulletin of The Museum of Comparative Zoology 122: 489-541 |
 | Amphibians and reptiles of the rainforests of southern El Petén, Guatemala W E Duellman (1963) University of Kansas Publications. Museum of Natural History 15: 205-249 |
 | Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 |
 | 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 |
 | Spix and Wagler type specimens of reptiles and amphibians in the Natural History Musea in Munich (Germany) and Leiden (The Netherlands) Marinus S Hoogmoed and Ulrich Gruber (1983) Spixiana. Supplement 9: 319-415 |