Malone, C.L., Reynoso, V.H., Buckley, L. (2017). Never judge an iguana by its spines: Systematics of the Yucatan spiny tailed iguana, Ctenosaura defensor (Cope, 1866). Molecular Phylogenetics and Evolution 115: 27-39. https://doi.org/10.1016/j.ympev.2017.07.010