Sánchez, J., Holley, J. A., Poljak, S., Bolzán, A. D., & Bravi, C. M. (2017). Phylogenetic and divergence time analysis of the Chelonoidis chilensis complex (Testudines: Testudinidae). Zootaxa, 4320(3), 487–504. https://doi.org/10.11646/zootaxa.4320.3.5