- ↑ Schätti B; Kramer E (1993) Ecuadorianische Grubenottern der Gattungen Bothriechis, Bothrops und Porthidium (Serpentes: Viperidae)., Revue Suisse de Zoologie 100 (2): 235-278
- ↑ Müller,F. (1885) Vierter Nachtrag zum Katalog der herpetologischen Sammlung des Basler Museums., Verh. naturf. Ges. Basel 7: 668-717
- ↑ 3.0 3.1 Garman, S. (1883) On certain reptiles from Brazil and Florida., Sci. Observer, Boston, 4 (5 - 6): 47-48
- ↑ Cope, E.D. (1868) An examination of the Reptilia and Batrachia obtained by the Orton Expedition to Equador and the Upper Amazon, with notes on other species., Proc. Acad. Nat. Sci. Philadelphia 20: 96-140
- ↑ 5.0 5.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ TIGR Reptile Database . Uetz P. , 2 Oktubre 2007