Lotzkat, S., A. Hertz, and G. Köhler. “A New Species of Sibon (Squamata: Colubroidea: Dipsadidae) from the Cordillera Central of Western Panama, With Comments on Other Species of the Genus in the Area”. Zootaxa, vol. 3485, no. 1, Sept. 2012, pp. 26–40, doi:10.11646/zootaxa.3485.1.2.