Van Denburgh & Slevin, 1921 : Preliminary diagnoses of new species of the peninsula of Lower California, with notes on the species in the collection of the Academy. Proceedings of the California Academy of Sciences, ser. 4, vol. 11, p. 96-98 (texte intégral).
naherpetology.org
Grismer, 1999 : An evolutionary classification of reptiles on islands in the Gulf of California, México. Herpetologica, vol. 55, no 4, p. 446-469 (texte intégral).