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Reynolds, R. Graham; Niemiller, Matthew L.; Revell, Liam J. (2014). "Toward a Tree-of-Life for boas and pythons: Multilocus species-level phylogeny with unprecedented taxon sampling". Molecular Phylogenetics and Evolution 71: 201-213.

Johann Gottlob Schneider (1801). Historiae Amphibiorum naturalis et literariae Fasciculus Secundus continens Crocodilos, Scincos, Chamaesauras, Boas, Pseudoboas, Elapes, Angues, Amphisbaenas et Caecilias. Jena: F. Frommann. vi + 364 pp. + Plates I-II. ("[Boa] Amethistina", new species, p. 254). (in Latin).