After Holroyd & Parham, 2003

Gigantochersina Chkhikvadze, 1989
        Testudo
        Geochelone (Geochelone)
        Geochelone sensu lato

    †Gigantochersina ammon (Andrews in Andrews & Beadnell, 1903)
        Testudo ammon Andrews in Andrews & Beadnell, 1903
        Testudo beadnelli Andrews, 1906
        Testudo isis Andrews, 1906
        Geochelone (Geochelone) ammon (Andrews); Auffenberg, 1974
        Geochelone (Geochelone) beadnelli (Andrews); Auffenberg, 1974
        “Testudo” ammon Andrews; Thomas et al., 1989
        Gigantochersina ammon (Andrews); Chkhikvadze, 1989
        Gigantochersina ammon (Andrews); Lapparent de Broin & van Dzik, 1990
        Geochelone sensu lato; Roset et al., 1990
        Gigantochersina ammon (Andrews); Lapparent de Broin, 2000]
        Gigantochersina ammon (Andrews); Holroyd & Parham, 2003

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