Literature

• Buurt, G. van 2001. De amfibieën en reptielen van Aruba, Curaçao en Bonaire. 119 pp. Gerard van Buurt, Curaçao.
• Uetz, P. & J. Hošek (eds.). The Reptile Database. [link]

Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Colubridae)
• IUCN 2018. The IUCN Red List of Threatened Species. Version 2018-1. IUCN. [link] (Thamnophis cyrtopsis)