Faraone, F.P., Russotto, S., Barra, S.A., Chiara, R., Giacalone, G. and Lo Valvo, M. 2019. Morphological variation of the newly confirmed population of the Javelin sand boa, Eryx jaculus (Linnaeus, 1758) (Serpentes, Erycidae) in Sicily, Italy. Acta Herpetologica. 14, 2 (Dec. 2019), 135–139. DOI:https://doi.org/10.13128/a_h-7752.