The rounded ventral surface of the rear feet (i–ii) and multiple enlarged, raised scales present on surface of forelegs generally (iii–iv) diagnose G. evgoodei in relation to other species of desert tortoises. i–ii same individual in Figure 2 from Rancho Las Cabras near Alamos, Sonora, Mexico (in Tropical Deciduous Forest) iii–iv two individuals from Rancho Las Cabras.