Bibliography
Elias, P., and D. B. Wake . 1983. Nyctanolis pernix, a new genus and species of plethodontid salamander from northwestern Guatemala and Chapas, Mexico. In: Rhodin, A. G. J., and K. Miyata (Ed.), Advances in Herpetology and Evolutionary Biology. Essays in Honor of Ernest E. Williams. Museum of Comparative Zoology, Harvard University [Cambridge, Massachusetts], 1-12.
