Literature references

1 literature reference for Xenosaurus penai Pérez Ramos, De La Riva & Campbell, 2000:

Author: Woolrich-Piña, Guillermo A. and Geoffrey R. Smith
Year: 2012
Title: A New Species of Xenosaurus from the Sierra Madre Oriental, Mexico
Source: Herpetologica 68 (4): 551-559.