PALKOVACS, E.P. et al. (2003) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/p-1699975706/palkovacs-e-p-marschner-m-ciofi-c-gerlach-j-caccone-a-2003
A recent morphological study of the giant tortoises of the western Indian Ocean concluded