Reynolds, R.G.; Niemiller, M.L.; Revell, L.J. (2014). “Toward a Tree-of-Life for the boas and pythons: Multilocus species-level phylogeny with unprecedented taxon sampling”. Molecular Phylogenetics and Evolution. 71: 201–213. doi:10.1016/j.ympev.2013.11.011. PMID24315866.
Reynolds, R.G.; Niemiller, M.L.; Revell, L.J. (2014). “Toward a Tree-of-Life for the boas and pythons: Multilocus species-level phylogeny with unprecedented taxon sampling”. Molecular Phylogenetics and Evolution. 71: 201–213. doi:10.1016/j.ympev.2013.11.011. PMID24315866.