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↑Cope, E.D. (1885) A contribution to the herpetology of Mexico., Proc. Amer. Philos. Soc. 22: 379-404
↑ 4.04.1Cope, 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
↑ 5.05.1Bisby 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)