Hedges, S. B., Couloux, A. and Vidal, N. (2009) “Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)”, Zootaxa. Auckland, New Zealand, 2067(1), pp. 1–28. doi: 10.11646/zootaxa.2067.1.1.