- ↑ Stejneger,L. (1902) An annotated list of batrachians and reptiles collected in the vicinity of La Guaira, Venezuela, with descriptions of two new species of snakes., Proc. U. S. National Mus. 24 [1901]: 179-192.
- ↑ Boettger, O. (1898) Katalog der Reptilien-Sammlung im Museum der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt/M. 2.Teil (Schlangen), Frankfurt/M (Gebr. Knauer), i-ix + 1-160.
- ↑ Boulenger, G.A. (1893) Catalogue of the snakes in the British Museum (Nat. Hist.) I., London (Taylor & Francis), 448 pp.
- ↑ 4.0 4.1 Cope, E.D. (1876) On the Batrachia and Reptilia of Costa Rica with notes on the herpetology and ichthyology of Nicaragua and Peru., Journal of the Academy of Natural Sciences of Philadelphia N.S. (2) 8: 93-154 [1875]
- ↑ 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