↑ Tortoise & Freshwater Turtle Specialist Group (1996). Geochelone radiata. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Listed as Vulnerable (VU A1acd+2cd, B1+2abc v2.3)
↑ Fritz, U. & O. R. P. Bininda-Emonds 2007. When genes meet nomenclature: Tortoise phylogeny and the shifting generic concepts of Testudo and Geochelone. Zoology 110, pages 298-307
