Meik, J. M., Streicher, J. W., MociƱo-Deloya, E., Setser, K., & Lazcano, D. (2012). Shallow phylogeographic structure in the declining Mexican Lance-headed Rattlesnake, Crotalus polystictus (Serpentes: Viperidae). Phyllomedusa: Journal of Herpetology, 11(1), 3-11. https://doi.org/10.11606/issn.2316-9079.v11i1p3-11