McDiarmid, R.W., Campbell, J.A., Touré, T.A. (1999b): Snake species of the World. A taxonomic and geographical reference. Volume 1., The Herpetologists' League (Washington DC)
McDiarmid, Roy W., Jonathan A. Campbell, and T'Shaka A. Touré 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. The Herpetologists' League. Washington, D.C., USA. xi + 511. ISBN: 1-893777-01-4.
Brands, S.J. (comp.) 1989-2006. Systema Naturae 2000. The Taxonomicon. Universal Taxonomic Services, Amsterdam, The Netherlands. Accessed November 1, 2006.
EMBL Reptile Database 2005.
Global Biodiversity Information Facility. Accessed February 27, 2008. http://www.gbif.org Mediated distribution data from provider.
Data Sources:
Accessed through GBIF Data Portal February 27, 2008:
California Academy of Sciences: CAS Herpetology Collection Catalog