Boulenger, 1894 : Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ, p. 1-382 (texte intégral).
usp.br
ib.usp.br
Rodrigues, 2005 : The conservation of Brazilian reptiles: challenges for a megadiverse country. Conservation Biology, vol. 19, no 3, p. 659–664 (texte intégral).